| 20261154 | C-Current | | | | | | https://collection.hortusalkmaar.nl/accession/20261154 | | | | | |
| 20140411 | C-Current | | Hybrid | × Hesperotropsis leylandii | (A.B.Jacks. & Dallim.) Garland & Gerry Moore | | https://collection.hortusalkmaar.nl/accession/20140411 | Leylandcipres | Leylandcipres | Cultuur | zzz | |
| 19920004 | C-Current | | Accepted | Abies alba | Mill. |  | https://collection.hortusalkmaar.nl/accession/19920004 | Zilverspar | Zilverspar | Yes | z | |
| 20170304 | C-Current | | Accepted | Abutilon theophrasti | Medik. |  | https://collection.hortusalkmaar.nl/accession/20170304 | Fluweelblad | Fluweelblad | Exotic | a | E |
| 20030037 | C-Current | | Accepted | Acanthus hungaricus | (Borbás) Baen. |  | https://collection.hortusalkmaar.nl/accession/20030037 | Hongaarse acanthus | Hongaarse acanthus | Established | zz | |
| 20241076 | C-Current | | Accepted | Acanthus mollis | L. | | https://collection.hortusalkmaar.nl/accession/20241076 | Zachte acanthus | Zachte acanthus | Yes | | |
| 19950426 | C-Current | | Accepted | Acer campestre | L. | | https://collection.hortusalkmaar.nl/accession/19950426 | Spaanse aak | Field Maple, Spaanse aak | Yes | a | TNB |
| 20000004 | C-Current | | Accepted | Acer negundo | L. |  | https://collection.hortusalkmaar.nl/accession/20000004 | Vederesdoorn | Vederesdoorn | Exotic | a | E |
| 20100219 | C-Current | | Accepted | Acer pseudoplatanus | L. |  | https://collection.hortusalkmaar.nl/accession/20100219 | Gewone esdoorn | Gewone esdoorn, Sycamore | Yes | a | TNB |
| 19810002 | C-Current | | Accepted | Achillea millefolium | L. |  | https://collection.hortusalkmaar.nl/accession/19810002 | Gewoon duizendblad | Gewoon duizendblad | Yes | a | TNB |
| 20201020 | C-Current | | Accepted | Achillea ptarmica | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20201020 | Wilde bertram | Sneezewort, Wilde bertram | Yes | a | TNB |
| 19910060 | C-Current | | Accepted | Acmella oleracea | (L.) R.K. Jansen |  | https://collection.hortusalkmaar.nl/accession/19910060 | Champagneblad | Champagneblad | Cultuur | | |
| 19810003 | C-Current | | Accepted | Aconitum napellus | L. |  | https://collection.hortusalkmaar.nl/accession/19810003 | Blauwe monnikskap | Blauwe monnikskap | Cultuur | zz | |
| 19900002 | C-Current | | Accepted | Aconitum vulparia | Rchb. |  | https://collection.hortusalkmaar.nl/accession/19900002 | Gele monnikskap | Gele monnikskap | Yes | zzz | GE |
| 19830001 | C-Current | | Accepted | Acorus calamus | L. |  | https://collection.hortusalkmaar.nl/accession/19830001 | Kalmoes | Kalmoes | Yes | a | TNB |
| 19850002 | C-Current | | Accepted | Actaea racemosa | (L.) Nutt. |  | https://collection.hortusalkmaar.nl/accession/19850002 | Zwarte zilverkaars | Zwarte zilverkaars | Cultuur | | |
| 20070164 | C-Current | | Accepted | Actaea spicata | L. |  | https://collection.hortusalkmaar.nl/accession/20070164 | Christoffelkruid | Christoffelkruid | Yes | zzz | BE |
| 19880001 | C-Current | | Accepted | Adiantum capillus-veneris | L. |  | https://collection.hortusalkmaar.nl/accession/19880001 | Echt venushaar | Echt venushaar | Cultuur | zzz | |
| 20261120 | C-Current | | Accepted | Adiantum pedatum | L. | | https://collection.hortusalkmaar.nl/accession/20261120 | Hoefijzervaren | Hoefijzervaren | Adventitious | | |
| 20261107 | C-Current | | Accepted | Adiantum venustum | D.Don | | https://collection.hortusalkmaar.nl/accession/20261107 | Charmante venushaar | Charmante venushaar | Adventitious | | |
| 20120145 | C-Current | | Accepted | Adoxa moschatellina | L. |  | https://collection.hortusalkmaar.nl/accession/20120145 | Muskuskruid | Muskuskruid | Yes | z | TNB |
| 19000077 | C-Current | | Accepted | Aegonychon purpurocaeruleum | (L.) Holub |  | https://collection.hortusalkmaar.nl/accession/19000077 | Purper parelzaad | Purper parelzaad | Cultuur | | |
| 19830002 | C-Current | | Accepted | Aegopodium podagraria | L. |  | https://collection.hortusalkmaar.nl/accession/19830002 | Zevenblad | Zevenblad | Yes | a | TNB |
| 19930438 | C-Current | | Accepted | Aesculus glabra | Willd. |  | https://collection.hortusalkmaar.nl/accession/19930438 | Gladde pavia | Gladde pavia | Cultuur | | |
| 19820001 | C-Current | | Accepted | Aesculus hippocastanum | L. |  | https://collection.hortusalkmaar.nl/accession/19820001 | Witte paardenkastanje | Common Horse-chestnut, Horse chestnut, Witte paardenkastanje | Yes | a | TNB |
| 19930429 | C-Current | | Accepted | Aesculus pavia | L. |  | https://collection.hortusalkmaar.nl/accession/19930429 | Rode pavia | Rode pavia | Cultuur | zzz | |
| 19870003 | C-Current | | Accepted | Aethusa cynapium | L. |  | https://collection.hortusalkmaar.nl/accession/19870003 | Hondspeterselie | Hondspeterselie | Yes | a | TNB |
| 20200241 | C-Current | | Accepted | Agastache nepetoides | (L.) Kuntze |  | https://collection.hortusalkmaar.nl/accession/20200241 | Kattenkruid dropplant | Kattenkruid dropplant | Cultuur | | |
| 20130305 | C-Current | | Accepted | Agastache rugosa | (Fisch. & C.A.Mey.) Kuntze |  | https://collection.hortusalkmaar.nl/accession/20130305 | Koreaanse dropnetel | Koreaanse dropnetel | Cultuur | zz | |
| 19860001 | C-Current | | Accepted | Agave americana | L. |  | https://collection.hortusalkmaar.nl/accession/19860001 | Honderdjarige aloë | Century plant, Honderdjarige aloë | Cultuur | | |
| 20160016 | C-Current | | Accepted | Agave sisalana | Perrine |  | https://collection.hortusalkmaar.nl/accession/20160016 | Echte sisal | Echte sisal | | | |
| 20161029 | C-Current | | Accepted | Agave tequilana | F.A.C.Weber | | https://collection.hortusalkmaar.nl/accession/20161029 | Blauwe agave | Blauwe agave | Cultuur | | |
| 20180276 | C-Current | | Accepted | Ageratum houstonianum | Mill. |  | https://collection.hortusalkmaar.nl/accession/20180276 | Ageratum | Ageratum | Cultuur | zzz | |
| 19850001 | C-Current | | Accepted | Agrimonia eupatoria | L. |  | https://collection.hortusalkmaar.nl/accession/19850001 | Gewone agrimonie | Agrimony, Cocklebur, Gewone agrimonie, Harvest-lice, Stickwort | Yes | a | GE |
| 19880002 | C-Current | | Accepted | Agrimonia procera | L. |  | https://collection.hortusalkmaar.nl/accession/19880002 | Welriekende agrimonie | Welriekende agrimonie | Yes | zz | KW |
| 19870004 | C-Current | | Accepted | Agrostemma githago | L. |  | https://collection.hortusalkmaar.nl/accession/19870004 | Bolderik | Bolderik | Yes | z | KW |
| 20251064 | C-Current | | Accepted | Agrostis canina | L. | | https://collection.hortusalkmaar.nl/accession/20251064 | Moerasstruisgras | Moerasstruisgras | Yes | a | TNB |
| 19910240 | C-Current | | Accepted | Ailanthus altissima | (Mill.) Swingle |  | https://collection.hortusalkmaar.nl/accession/19910240 | Hemelboom | Hemelboom | Exotic | a | E |
| 20241062 | C-Current | | Accepted | Aira caryophyllea | L. | | https://collection.hortusalkmaar.nl/accession/20241062 | Zilverhaver | Zilverhaver | Yes | a | TNB |
| 20241063 | C-Current | | Accepted | Aira praecox | L. | | https://collection.hortusalkmaar.nl/accession/20241063 | Vroege haver | Vroege haver | Yes | a | TNB |
| 19990208 | C-Current | | Accepted | Ajuga reptans 'Atropurpurea' | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/19990208 | Purperzenegroen | Purperzenegroen | Yes | a | TNB |
| 20120344 | C-Current | | Accepted | Alcea rosea | L. |  | https://collection.hortusalkmaar.nl/accession/20120344 | Stokroos | Stokroos | Yes | a | |
| 20140243 | C-Current | | Dubious | Alcea rosea (wit) | L. | | https://collection.hortusalkmaar.nl/accession/20140243 | Stokroos (wit) | Stokroos (wit) | Established | a | |
| 20251071 | C-Current | | Accepted | Alcea rugosa | Alef. | | https://collection.hortusalkmaar.nl/accession/20251071 | Russische stokroos | Russische stokroos | Adventitious | | |
| 19990175 | C-Current | | Accepted | Alchemilla conjuncta | Bab. |  | https://collection.hortusalkmaar.nl/accession/19990175 | 'Schijn' Alpiene vrouwenmantel | 'Schijn' Alpiene vrouwenmantel, Alpine lady's-mantle | Cultuur | zzz | |
| 19810004 | C-Current | | Accepted | Alchemilla filicaulis | Buser |  | https://collection.hortusalkmaar.nl/accession/19810004 | Fijnstengelige vrouwenmantel | Fijnstengelige vrouwenmantel | Yes | zzz | GE |
| 20231037 | C-Current | | Accepted | Alchemilla mollis | (Buser) Rothm. |  | https://collection.hortusalkmaar.nl/accession/20231037 | Fraaie vrouwenmantel | Fraaie vrouwenmantel | Established | a | TNB |
| 19980055 | C-Current | | Accepted | Alisma plantago-aquatica | L. |  | https://collection.hortusalkmaar.nl/accession/19980055 | Grote waterweegbree | Grote waterweegbree | Yes | a | TNB |
| 19840022 | C-Current | | Accepted | Alkekengi officinarum | Moench |  | https://collection.hortusalkmaar.nl/accession/19840022 | Echte lampionplant | Echte lampionplant | Adventitious | a | |
| 20140394 | C-Current | | Accepted | Alliaria petiolata | L. |  | https://collection.hortusalkmaar.nl/accession/20140394 | Look-zonder-look | Look-zonder-look | Yes | a | TNB |
| 19990259 | C-Current | | Accepted | Allium cepa | L. |  | https://collection.hortusalkmaar.nl/accession/19990259 | Ui | Ui | Cultuur | zz | |
| 19810037 | C-Current | | Accepted | Allium fistulosum | L. |  | https://collection.hortusalkmaar.nl/accession/19810037 | Stengelui | Stengelui | Cultuur | | |
| 19940252 | C-Current | | Accepted | Allium lusitanicum | Lam. |  | https://collection.hortusalkmaar.nl/accession/19940252 | 'Portugees' look | 'Portugees' look | Cultuur | | |
| 20221027 | C-Current | | Accepted | Allium paradoxum | (M.Bieb.) G.Don |  | https://collection.hortusalkmaar.nl/accession/20221027 | Armbloemig look | Armbloemig look | Established | zz | |
| 20010316 | C-Current | | Accepted | Allium sativum | L. |  | https://collection.hortusalkmaar.nl/accession/20010316 | Knoflook | Knoflook | Cultuur | | |
| 19830003 | C-Current | | Accepted | Allium schoenoprasum | L. |  | https://collection.hortusalkmaar.nl/accession/19830003 | Bieslook | Bieslook | Yes | z | TNB |
| 20261132 | C-Current | | Accepted | Allium scorodoprasum | L. | | https://collection.hortusalkmaar.nl/accession/20261132 | Slangenlook | Slangenlook | Yes | zz | TNB |
| 20241114 | C-Current | | Accepted | Allium sphaerocephalon | L. |  | https://collection.hortusalkmaar.nl/accession/20241114 | Kogellook | Kogellook | Established | zz | |
| 19880003 | C-Current | | Accepted | Allium ursinum | L. |  | https://collection.hortusalkmaar.nl/accession/19880003 | Daslook | Daslook | Yes | a | TNB |
| 19940284 | C-Current | | Accepted | Allium victorialis | L. |  | https://collection.hortusalkmaar.nl/accession/19940284 | Alpenlook | Alpenlook, Alpine broad-leaf allium, Alpine leek, Victory onion | Cultuur | | |
| 20261148 | C-Current | | Accepted | Allium vineale | L. |  | https://collection.hortusalkmaar.nl/accession/20261148 | Kraailook | Kraailook | Yes | a | TNB |
| 19990396 | C-Current | | Accepted | Alnus glutinosa | (L.) Gaertn. |  | https://collection.hortusalkmaar.nl/accession/19990396 | Zwarte els | Alder, Zwarte els | Yes | a | TNB |
| 20070217 | C-Current | | Accepted | Alnus incana | (L.) Moench |  | https://collection.hortusalkmaar.nl/accession/20070217 | Witte els | Witte els | Yes | a | TNB |
| 20241118 | C-Current | | Accepted | Aloe brevifolia | Mill. |  | https://collection.hortusalkmaar.nl/accession/20241118 | 'Kortbladige' aloë | 'Kortbladige' aloë | Cultuur | | |
| 19950189 | C-Current | | Accepted | Aloe ferox | Mill. |  | https://collection.hortusalkmaar.nl/accession/19950189 | Bittere aloë | Bittere aloë | Cultuur | | |
| 20130324 | C-Current | | Accepted | Aloe vera | (L.) Burm.f. 1768 |  | https://collection.hortusalkmaar.nl/accession/20130324 | Aloë vera | Aloë vera | Cultuur | | |
| 20211036 | C-Current | | Accepted | Aloe vera | (L.) Burm.f. 1768 |  | https://collection.hortusalkmaar.nl/accession/20211036 | Aloë vera | Aloë vera | Cultuur | | |
| 19830004 | C-Current | | Accepted | Alopecurus pratensis | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/19830004 | Grote vossenstaart | Grote vossenstaart, Meadow foxtail | Yes | a | TNB |
| 20150301 | C-Current | | Accepted | Aloysia citrodora | Paláu | | https://collection.hortusalkmaar.nl/accession/20150301 | Citroenverbena | Citroenverbena | Cultuur | | |
| 19890002 | C-Current | | Accepted | Alstroemeria aurea | Graham 1833 | | https://collection.hortusalkmaar.nl/accession/19890002 | Incalelie | Incalelie | Cultuur | | |
| 19880004 | C-Current | | Accepted | Althaea officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19880004 | Heemst | Heemst | Yes | z | KW |
| 19000030 | C-Current | | Accepted | Amanita muscaria | (L.) Lam. 1783 | | https://collection.hortusalkmaar.nl/accession/19000030 | Vliegenzwam | Vliegenzwam | Yes | | |
| 20140396 | C-Current | | Accepted | Amaranthus blitum | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20140396 | Kleine majer | Kleine majer | Yes | a | TNB |
| 20140397 | C-Current | | Accepted | Amaranthus caudatus | L. |  | https://collection.hortusalkmaar.nl/accession/20140397 | Kattenstaartamarant | Kattenstaartamarant | Cultuur | zz | |
| 19000031 | C-Current | | Accepted | Amaranthus cruentus | L. |  | https://collection.hortusalkmaar.nl/accession/19000031 | Olifantsamarant | Amarante rouge, Olifantsamarant, Red amaranth, Rispen-Fuchsschwanz | Adventitious | zzz | |
| 20140395 | C-Current | | Accepted | Amaranthus hybridus | L. |  | https://collection.hortusalkmaar.nl/accession/20140395 | Groene amarant | Groene amarant | Established | a | |
| 20241056 | C-Current | | Accepted | Amaranthus retroflexus | L. |  | https://collection.hortusalkmaar.nl/accession/20241056 | Papagaaienkruid | Papagaaienkruid | Established | a | TNB |
| 19930163 | C-Current | | Accepted | Ambrosia artemisiifolia | L. |  | https://collection.hortusalkmaar.nl/accession/19930163 | Alsemambrosia | Alsemambrosia | Exotic | a | E |
| 19000032 | C-Current | | Accepted | Amelanchier lamarckii | F.G.Schroed. 1968 | | https://collection.hortusalkmaar.nl/accession/19000032 | Amerikaans krentenboompje | Amerikaans krentenboompje | Yes | a | TNB |
| 20140214 | C-Current | | Accepted | Ammi majus | L. |  | https://collection.hortusalkmaar.nl/accession/20140214 | Groot akkerscherm | Groot akkerscherm | Yes | z | |
| 20160349 | C-Current | | Accepted | Amorphophallus konjac | K.Koch |  | https://collection.hortusalkmaar.nl/accession/20160349 | Konjak | Konjak | No | | |
| 20020134 | C-Current | | Accepted | Anagyris foetida | L. |  | https://collection.hortusalkmaar.nl/accession/20020134 | Stinkboon | Stinkboon | Cultuur | | |
| 19820002 | C-Current | | Accepted | Anchusa officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19820002 | Gewone ossentong | Gewone ossentong | Yes | z | TNB |
| 20251053 | C-Current | | Accepted | Andrographis paniculata | (Burm.f.) Wall. ex Nees | | https://collection.hortusalkmaar.nl/accession/20251053 | Bitterkoning | Bitterkoning, creat, green chiretta, Kalmegh | No | | |
| 20120262 | C-Current | | Accepted | Andromeda polifolia | L. |  | https://collection.hortusalkmaar.nl/accession/20120262 | Lavendelheide | Lavendelheide | Yes | z | KW |
| 20200240 | C-Current | | Accepted | Andropogon gerardii | Vitman |  | https://collection.hortusalkmaar.nl/accession/20200240 | Hoog prairiegras | Big bluestem, Hoog prairiegras, Tall bluestem, Turkeyfoot | Cultuur | zzz | |
| 20080167 | C-Current | | Accepted | Anemone nemorosa | L. |  | https://collection.hortusalkmaar.nl/accession/20080167 | Bosanemoon | Bosanemoon | Yes | a | TNB |
| 19990342 | C-Current | | Accepted | Anemone ranunculoides | L. |  | https://collection.hortusalkmaar.nl/accession/19990342 | Gele anemoon | Gele anemoon | Yes | zz | TNB |
| 20261133 | C-Current | | Accepted | Anemone x lipsiensis | Beck | | https://collection.hortusalkmaar.nl/accession/20261133 | Basterdbosanemoon | Basterdbosanemoon | Cultuur | | |
| 19970291 | C-Current | | Accepted | Anemopsis californica | L. |  | https://collection.hortusalkmaar.nl/accession/19970291 | Valse moerasanemoon | Valse moerasanemoon | No | | |
| 20190200 | C-Current | | Synonym | Anethum graveolens var. hortorum | Alef. |  | https://collection.hortusalkmaar.nl/accession/20190200 | Dille | Dille | Cultuur | z | |
| 19840002 | C-Current | | Accepted | Angelica archangelica | L. |  | https://collection.hortusalkmaar.nl/accession/19840002 | Grote engelwortel | Grote engelwortel | Yes | a | TNB |
| 20261142 | C-Current | | Synonym | Anisantha sterilis | (L.) Nevski | | https://collection.hortusalkmaar.nl/accession/20261142 | IJle dravik | IJle dravik | Yes | | |
| 20241067 | C-Current | | Synonym | Anisantha tectorum | (L.) Nevski | | https://collection.hortusalkmaar.nl/accession/20241067 | Zwenkdravik | Zwenkdravik | Yes | a | TNB |
| 20261121 | C-Current | | Synonym | Anisocampium niponicum 'Burgundy Lace' | | | https://collection.hortusalkmaar.nl/accession/20261121 | Japanse regenboogvaren | Japanse regenboogvaren | Cultuur | | |
| 20261122 | C-Current | | Synonym | Anisocampium niponicum 'Metalicum' | | | https://collection.hortusalkmaar.nl/accession/20261122 | Japanse regenboogvaren | Japanse regenboogvaren | Cultuur | | |
| 20150251 | C-Current | | Accepted | Anredera cordifolia | (Ten). Steenis | | https://collection.hortusalkmaar.nl/accession/20150251 | Madeira wijnstok | Madeira wijnstok | Cultuur | | |
| 19950438 | C-Current | | Accepted | Anthoxanthum odoratum | L. |  | https://collection.hortusalkmaar.nl/accession/19950438 | Gewoon reukgras | Gewoon reukgras | Yes | a | TNB |
| 20211023 | C-Current | | Accepted | Anthriscus cerefolium | (L.) Hoffm. | | https://collection.hortusalkmaar.nl/accession/20211023 | Echte kervel | Echte kervel | Cultuur | zz | |
| 19810039 | C-Current | | Accepted | Anthriscus sylvestris | (L.) Hoffm. |  | https://collection.hortusalkmaar.nl/accession/19810039 | Fluitenkruid | Fluitenkruid | Yes | a | TNB |
| 20130345 | C-Current | | Accepted | Anthyllis vulneraria | L. | | https://collection.hortusalkmaar.nl/accession/20130345 | Wondklaver | Wondklaver | Yes | z | TNB |
| 20231038 | C-Current | | Synonym | Aphanes arvensis | L. |  | https://collection.hortusalkmaar.nl/accession/20231038 | Grote leeuwenklauw | Grote leeuwenklauw | Yes | zz | TNB |
| 20130346 | C-Current | | Accepted | Apios americana | Medik. |  | https://collection.hortusalkmaar.nl/accession/20130346 | Indianenaardappel | Indianenaardappel | Cultuur | zzz | |
| 20140251 | C-Current | | Accepted | Apium graveolens | L. |  | https://collection.hortusalkmaar.nl/accession/20140251 | Selderij | Selderij | Yes | z | KW |
| 19900003 | C-Current | | Accepted | Apocynum androsaemifolium | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/19900003 | Liggende hondendoder | Fly-trap dogbane, Liggende hondendoder, Spreading dogbane | No | | |
| 19900004 | C-Current | | Accepted | Apocynum cannabinum | L. |  | https://collection.hortusalkmaar.nl/accession/19900004 | Hondendoder | Hondendoder | Cultuur | | |
| 19840003 | C-Current | | Accepted | Aquilegia vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19840003 | Wilde akelei | Wilde akelei | Yes | zz | TNB |
| 19820003 | C-Current | | Accepted | Aralia racemosa | L. |  | https://collection.hortusalkmaar.nl/accession/19820003 | Trosaralia | Trosaralia | Cultuur | | |
| 19810005 | C-Current | | Accepted | Arctium lappa | L. |  | https://collection.hortusalkmaar.nl/accession/19810005 | Grote klit | Grote klit | Yes | a | TNB |
| 19000052 | C-Current | | Accepted | Arctium minus | (Hill) Bernh. | | https://collection.hortusalkmaar.nl/accession/19000052 | Gewone klit | Gewone klit | Yes | a | TNB |
| 20120258 | C-Current | | Accepted | Arctostaphylos uva-ursi | (L.) Spreng. |  | https://collection.hortusalkmaar.nl/accession/20120258 | Berendruif | Berendruif | Yes | zzz | GE |
| 19890004 | C-Current | | Accepted | Argemone mexicana | L. |  | https://collection.hortusalkmaar.nl/accession/19890004 | Stekelpapaver | Stekelpapaver | Adventitious | | |
| 19840024 | C-Current | | Accepted | Argentina anserina | (L.) Rydb. |  | https://collection.hortusalkmaar.nl/accession/19840024 | Zilverschoon | Zilverschoon | Yes | a | TNB |
| 20060164 | C-Current | | Accepted | Arisaema triphyllum | (L.) Schott |  | https://collection.hortusalkmaar.nl/accession/20060164 | Jan-op-de-preekstoel | Bog onion, Brown dragon, Indian turnip, Jack-in-the-pulpit, Jan-op-de-preekstoel | Cultuur | | |
| 20261138 | C-Current | | Accepted | Arisarum proboscideum | (L.) Savi | | https://collection.hortusalkmaar.nl/accession/20261138 | Muizenstaartje | Muizenstaartje | Cultuur | | |
| 19880005 | C-Current | | Accepted | Aristolochia clematitis | L. |  | https://collection.hortusalkmaar.nl/accession/19880005 | Pijpbloem | Pijpbloem | Yes | zz | TNB |
| 19840032 | C-Current | | Accepted | Armoracia rusticana | G.Gaertn., B.Mey. & Scherb. |  | https://collection.hortusalkmaar.nl/accession/19840032 | Mierikswortel | Mierikswortel | Yes | z | TNB |
| 20130208 | C-Current | | Accepted | Arnica chamissonis | Less. |  | https://collection.hortusalkmaar.nl/accession/20130208 | Amerikaans valkruid | Amerikaans valkruid, Chamisso arnica | No | | |
| 20060209 | C-Current | | Accepted | Artemisia abrotanum | L. |  | https://collection.hortusalkmaar.nl/accession/20060209 | Citroenkruid | Citroenkruid | Adventitious | | |
| 19840004 | C-Current | | Accepted | Artemisia absinthium | L. |  | https://collection.hortusalkmaar.nl/accession/19840004 | Absintalsem | Absintalsem | Yes | z | KW |
| 20150021 | C-Current | | Accepted | Artemisia annua | L. |  | https://collection.hortusalkmaar.nl/accession/20150021 | Zomeralsem | Zomeralsem | Adventitious | zzz | |
| 20251050 | C-Current | | Accepted | Artemisia sieversiana | Ehrh. ex Willd. | | https://collection.hortusalkmaar.nl/accession/20251050 | 'Sievers' alsem | 'Sievers' alsem | No | | |
| 19840005 | C-Current | | Accepted | Artemisia vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19840005 | Bijvoet | Bijvoet | Yes | a | TNB |
| 20261150 | C-Current | | Accepted | Arum dioscoridis | Sm. | | https://collection.hortusalkmaar.nl/accession/20261150 | Panteraronskelk | Panteraronskelk | Cultuur | | |
| 19900005 | C-Current | | Accepted | Arum italicum | Mill. |  | https://collection.hortusalkmaar.nl/accession/19900005 | Italiaanse aronskelk | Italiaanse aronskelk | Yes | z | TNB |
| 20080133 | C-Current | | Accepted | Arum maculatum | L. |  | https://collection.hortusalkmaar.nl/accession/20080133 | Gevlekte aronskelk | Gevlekte aronskelk | Yes | z | TNB |
| 19870005 | C-Current | | Accepted | Arundo donax | L. |  | https://collection.hortusalkmaar.nl/accession/19870005 | Pijlriet | Pijlriet | Cultuur | zzz | |
| 19840006 | C-Current | | Accepted | Asarum europaeum | L. |  | https://collection.hortusalkmaar.nl/accession/19840006 | Mansoor | Mansoor | Cultuur | zz | |
| 19880006 | C-Current | | Accepted | Asclepias curassavica | L. |  | https://collection.hortusalkmaar.nl/accession/19880006 | Frederiksbloem | Frederiksbloem | No | | |
| 20070141 | C-Current | | Accepted | Asclepias incarnata | L. |  | https://collection.hortusalkmaar.nl/accession/20070141 | Rode zijdeplant | Rode zijdeplant | Exotic | | |
| 19880007 | C-Current | | Accepted | Asclepias syriaca | L. |  | https://collection.hortusalkmaar.nl/accession/19880007 | Zijdeplant | Zijdeplant | Exotic | zz | E |
| 20070140 | C-Current | | Accepted | Asclepias tuberosa | L. |  | https://collection.hortusalkmaar.nl/accession/20070140 | Knolzijdeplant | Knolzijdeplant | Cultuur | zzz | |
| 20030254 | C-Current | | Accepted | Asparagus officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/20030254 | Asperge | Asperge | Yes | a | |
| 20241100 | C-Current | | Accepted | Asphodeline lutea | (L.) Rchb. |  | https://collection.hortusalkmaar.nl/accession/20241100 | Jonkerlelie | Jonkerlelie | Cultuur | | |
| 19900006 | C-Current | | Accepted | Asphodelus albus | Mill. |  | https://collection.hortusalkmaar.nl/accession/19900006 | Witte affodil | Witte affodil | Cultuur | | |
| 20241099 | C-Current | | Accepted | Asplenium adiantum-nigrum | L. |  | https://collection.hortusalkmaar.nl/accession/20241099 | Zwartsteel | Zwartsteel | Yes | zz | TNB |
| 20241105 | C-Current | | Accepted | Asplenium ceterach | L. |  | https://collection.hortusalkmaar.nl/accession/20241105 | Schubvaren | Schubvaren | Yes | zzz | GE |
| 19900007 | C-Current | | Accepted | Asplenium scolopendrium | L. |  | https://collection.hortusalkmaar.nl/accession/19900007 | Tongvaren | Tongvaren | Yes | a | TNB |
| 20261103 | C-Current | | Accepted | Asplenium scolopendrium 'Angustatum' | | | https://collection.hortusalkmaar.nl/accession/20261103 | Tongvaren | Tongvaren | Yes | | |
| 20261099 | C-Current | | Accepted | Asplenium scolopendrium 'Muricatum' s.l. | | | https://collection.hortusalkmaar.nl/accession/20261099 | Tongvaren | Tongvaren | Yes | | |
| 20261104 | C-Current | | Accepted | Asplenium scolopendrium 'Undulatum' | | | https://collection.hortusalkmaar.nl/accession/20261104 | Tongvaren | Tongvaren | Established | | |
| 20170514 | C-Current | | Accepted | Asplenium trichomanes | L. | | https://collection.hortusalkmaar.nl/accession/20170514 | Steenbreekvaren | Steenbreekvaren | Yes | z | TNB |
| 20261152 | C-Current | | Accepted | Asplenium trichomanes subsp. quadrivalens | D.E.Mey. | | https://collection.hortusalkmaar.nl/accession/20261152 | Steenbreekvaren | Steenbreekvaren | Yes | zzz | |
| 20130303 | C-Current | | Accepted | Astrantia major | L. |  | https://collection.hortusalkmaar.nl/accession/20130303 | Groot sterrenscherm | Groot sterrenscherm | Cultuur | zzz | |
| 20140401 | C-Current | | Accepted | Athyrium filix-femina | (L.) Roth |  | https://collection.hortusalkmaar.nl/accession/20140401 | Wijfjesvaren | Wijfjesvaren | Yes | a | TNB |
| 20261117 | C-Current | | Accepted | Athyrium otophorum 'Okanum' | | | https://collection.hortusalkmaar.nl/accession/20261117 | Japanse wijfjesvaren | Japanse wijfjesvaren | Cultuur | | |
| 20120280 | C-Current | | Accepted | Atriplex hortensis | L. |  | https://collection.hortusalkmaar.nl/accession/20120280 | Tuinmelde | Tuinmelde | Cultuur | zz | |
| 19810006 | C-Current | | Accepted | Atropa bella-donna | L. |  | https://collection.hortusalkmaar.nl/accession/19810006 | Wolfskers | Wolfskers | Yes | zzz | BE |
| 19950239 | C-Current | | Accepted | Avena sativa | L. |  | https://collection.hortusalkmaar.nl/accession/19950239 | Haver | Haver | Cultuur | a | |
| 20251055 | C-Current | | Accepted | Avenula pubescens | (Huds.) Dumort. | | https://collection.hortusalkmaar.nl/accession/20251055 | Zachte haver | Zachte haver | Yes | | |
| 19990316 | C-Current | | Accepted | Azadirachta indica | Adr. Juss. | | https://collection.hortusalkmaar.nl/accession/19990316 | Neem | Neem | No | | |
| 19990399 | C-Current | | Accepted | Ballota nigra subsp. meridionalis | L. |  | https://collection.hortusalkmaar.nl/accession/19990399 | Stinkende ballote | Stinkende ballote | Yes | a | |
| 19930025 | C-Current | | Accepted | Bellis perennis | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/19930025 | Madeliefje | Madeliefje | Yes | a | TNB |
| 19930041 | C-Current | | Accepted | Berberis aquifolium | Pursh |  | https://collection.hortusalkmaar.nl/accession/19930041 | Gewone mahonia | Gewone mahonia | Established | a | E |
| 19800001 | C-Current | | Accepted | Berberis vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19800001 | Zuurbes | Zuurbes | Yes | z | TNB |
| 19870050 | C-Current | | Accepted | Betonica officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19870050 | Betonie | Betonie | Yes | zz | BE |
| 19950421 | C-Current | | Accepted | Betula pendula | Roth |  | https://collection.hortusalkmaar.nl/accession/19950421 | Ruwe berk | Ruwe berk, Silver Birch | Yes | a | TNB |
| 19900008 | C-Current | | Accepted | Betula pubescens | Ehrh. |  | https://collection.hortusalkmaar.nl/accession/19900008 | Zachte berk | Downy Birch, Zachte berk | Yes | a | TNB |
| 19850012 | C-Current | | Accepted | Bistorta officinalis | Delarbre |  | https://collection.hortusalkmaar.nl/accession/19850012 | Adderwortel | Adderwortel | Yes | z | TNB |
| 20130204 | C-Current | | Accepted | Bituminaria bituminosa | (L. ) C.H.Stirt. |  | https://collection.hortusalkmaar.nl/accession/20130204 | Pekklaver | Pekklaver | Cultuur | | |
| 20241095 | C-Current | | Accepted | Blackstonia perfoliata subsp. perfoliata | |  | https://collection.hortusalkmaar.nl/accession/20241095 | Zomerbitterling | Zomerbitterling | Established | zz | E |
| 20251077 | C-Current | | Synonym | Blackstonia perfoliata subsp. serotina | (RchB.) Vollmann |  | https://collection.hortusalkmaar.nl/accession/20251077 | Herfstbitterling | Herfstbitterling | Yes | zz | TNB |
| 20261108 | C-Current | | Synonym | Blackstonia perfoliata subsp. serotina | (RchB.) Vollmann |  | https://collection.hortusalkmaar.nl/accession/20261108 | Herfstbitterling | Herfstbitterling | Yes | zz | TNB |
| 19000064 | C-Current | | Accepted | Bletilla striata | (Thunb.) Rchb.f. |  | https://collection.hortusalkmaar.nl/accession/19000064 | Aardorchidee | Aardorchidee | Cultuur | | |
| 19920379 | C-Current | | Accepted | Blitum bonus-henricus | (L.) Rchb. |  | https://collection.hortusalkmaar.nl/accession/19920379 | Brave hendrik | Brave hendrik | Yes | zzz | EB |
| 20261141 | C-Current | | Accepted | Bolboschoenus maritimus | (L.) Palla | | https://collection.hortusalkmaar.nl/accession/20261141 | Heen | Heen | Yes | a | TNB |
| 19810007 | C-Current | | Accepted | Borago officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19810007 | Bernagie | Bernagie | Established | a | |
| 20160216 | C-Current | | Accepted | Brachychiton populneus | (Schott & Endl.) R.Br |  | https://collection.hortusalkmaar.nl/accession/20160216 | Kurrajong | Kurrajong | Cultuur | | |
| 20200258 | C-Current | | Accepted | Brachypodium sylvaticum | (Huds) P.Beauv. | | https://collection.hortusalkmaar.nl/accession/20200258 | Boskortsteel | Boskortsteel, false-brome, slender false brome, wood false brome | Yes | z | TNB |
| 19000071 | C-Current | | Accepted | Brassica juncea | (L.) Czern. | | https://collection.hortusalkmaar.nl/accession/19000071 | Sereptamosterd | Sereptamosterd | Cultuur | zz | |
| 19990400 | C-Current | | Synonym | Brassica nigra | W.D.J.Koch 1833 |  | https://collection.hortusalkmaar.nl/accession/19990400 | Zwarte mosterd | Zwarte mosterd | Yes | a | TNB |
| 19940311 | C-Current | | Accepted | Brassica oleracea | L. |  | https://collection.hortusalkmaar.nl/accession/19940311 | Eeuwig moes | Eeuwig moes | Established | a | |
| 20150250 | C-Current | | Synonym | Brassica oleracea var. ramosa | DC. |  | https://collection.hortusalkmaar.nl/accession/20150250 | Eeuwig moes | Eeuwig moes | Cultuur | | |
| 19000072 | C-Current | | Accepted | Brassica rapa | L. | | https://collection.hortusalkmaar.nl/accession/19000072 | Raapzaad | Raapzaad | Yes | a | TNB |
| 19920436 | C-Current | | Accepted | Briza media | L. |  | https://collection.hortusalkmaar.nl/accession/19920436 | Bevertjes | Bevertjes | Yes | z | KW |
| 20241085 | C-Current | | Accepted | Bromus arvensis | L. |  | https://collection.hortusalkmaar.nl/accession/20241085 | Akkerdravik | Akkerdravik | Established | zz | |
| 20241084 | C-Current | | Accepted | Bromus commutatus subsp. decipiens | (Bomble & H.Scholz) H.Scholz |  | https://collection.hortusalkmaar.nl/accession/20241084 | Grote trosdravik | Grote trosdravik | Established | | |
| 20241086 | C-Current | | Accepted | Bromus grossus | Desf. ex DC. |  | https://collection.hortusalkmaar.nl/accession/20241086 | Zware dreps | Zware dreps | Extinct | x | |
| 19880009 | C-Current | | Accepted | Brugmansia suaveolens | (Humb. & Bonpl. ex Willd.) Sweet |  | https://collection.hortusalkmaar.nl/accession/19880009 | Welriekende engelentrompet | Welriekende engelentrompet | Cultuur | | |
| 20241051 | C-Current | | Hybrid | Brugmansia x candida 'Double White' | Pers. |  | https://collection.hortusalkmaar.nl/accession/20241051 | Engelentrompet | Engelentrompet | Cultuur | | |
| 19810008 | C-Current | | Synonym | Bryonia dioica | Jacq. |  | https://collection.hortusalkmaar.nl/accession/19810008 | Heggenrank | Heggenrank | Yes | a | TNB |
| 20130347 | C-Current | | Accepted | Buddleja davidii | Franch. |  | https://collection.hortusalkmaar.nl/accession/20130347 | Vlinderstruik | Vlinderstruik | Established | a | E |
| 19820004 | C-Current | | Accepted | Buxus sempervirens | L. |  | https://collection.hortusalkmaar.nl/accession/19820004 | Buxus | Box, Buxus | Cultuur | z | |
| 20211027 | C-Current | | Accepted | Calamagrostis arenaria | (L.) Roth 1827 | | https://collection.hortusalkmaar.nl/accession/20211027 | Helm | Barrón, Carrizo, European beachgrass, Helm, L'oyat, Marram grass | Yes | z | TNB |
| 20251065 | C-Current | | Accepted | Calamagrostis epigejos | (L.) Roth | | https://collection.hortusalkmaar.nl/accession/20251065 | Duinriet | Duinriet | Yes | a | TNB |
| 19880011 | C-Current | | Accepted | Calendula arvensis | L. |  | https://collection.hortusalkmaar.nl/accession/19880011 | Akkergoudsbloem | Akkergoudsbloem | Cultuur | zz | |
| 19810009 | C-Current | | Accepted | Calendula officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19810009 | Tuingoudsbloem | Tuingoudsbloem | Cultuur | a | |
| 20241107 | C-Current | | Accepted | Calla palustris | L. | | https://collection.hortusalkmaar.nl/accession/20241107 | Slangenwortel | Slangenwortel | Yes | z | TNB |
| 20120260 | C-Current | | Accepted | Calluna vulgaris | (L.) Hull |  | https://collection.hortusalkmaar.nl/accession/20120260 | Struikhei | Heather, Scotch heather, Struikhei | Yes | a | TNB |
| 19920050 | C-Current | | Accepted | Caltha palustris | L. |  | https://collection.hortusalkmaar.nl/accession/19920050 | Dotterbloem | Dotterbloem | Yes | a | |
| 19000085 | C-Current | | Accepted | Calvatia gigantea | (Batsch ex Persch) Lloyd | | https://collection.hortusalkmaar.nl/accession/19000085 | Reuzenbovist | Reuzenbovist | Yes | | |
| 19900009 | C-Current | | Accepted | Calystegia sepium | L. |  | https://collection.hortusalkmaar.nl/accession/19900009 | Haagwinde | Haagwinde | Yes | a | TNB |
| 20221023 | C-Current | | Accepted | Camassia leichtlinii | (Baker) S.Watson |  | https://collection.hortusalkmaar.nl/accession/20221023 | Prairielelie | Prairielelie | Cultuur | | |
| 20140402 | C-Current | | Accepted | Campanula persicifolia | L. |  | https://collection.hortusalkmaar.nl/accession/20140402 | Prachtklokje | Prachtklokje | Yes | z | TNB |
| 20211089 | C-Current | | Accepted | Campanula poscharskyana | Degen |  | https://collection.hortusalkmaar.nl/accession/20211089 | Kruipklokje | Kruipklokje | Established | a | E |
| 20241068 | C-Current | | Accepted | Campanula rapunculus | L. |  | https://collection.hortusalkmaar.nl/accession/20241068 | Rapunzelklokje | Rapunzelklokje | Yes | z | KW |
| 20251086 | C-Current | | Accepted | Campanula rotundifolia | L. | | https://collection.hortusalkmaar.nl/accession/20251086 | Grasklokje | Grasklokje | Yes | | |
| 20150336 | C-Current | | Accepted | Campanula trachelium | L. |  | https://collection.hortusalkmaar.nl/accession/20150336 | Ruig klokje | Ruig klokje | Yes | z | TNB |
| 19950074 | C-Current | | Accepted | Camphora officinarum | Nees |  | https://collection.hortusalkmaar.nl/accession/19950074 | Kamferboom | Kamferboom | No | | |
| 19000088 | C-Current | | Accepted | Canna indica | L. |  | https://collection.hortusalkmaar.nl/accession/19000088 | Indisch bloemriet | Indisch bloemriet | Cultuur | zzz | |
| 19880012 | C-Current | | Accepted | Capsella bursa-pastoris | Medik. |  | https://collection.hortusalkmaar.nl/accession/19880012 | Herderstasje | Herderstasje | Yes | a | TNB |
| 19930027 | C-Current | | Accepted | Capsicum annuum | L. |  | https://collection.hortusalkmaar.nl/accession/19930027 | Spaanse peper | Spaanse peper | Cultuur | zzz | |
| 19000089 | C-Current | | Synonym | Capsicum annuum var. grossum | L. | | https://collection.hortusalkmaar.nl/accession/19000089 | Paprika | Paprika | Cultuur | | |
| 20140403 | C-Current | | Accepted | Cardamine flexuosa | With. |  | https://collection.hortusalkmaar.nl/accession/20140403 | Bosveldkers | Bosveldkers | Yes | a | TNB |
| 20140404 | C-Current | | Accepted | Cardamine hirsuta | L. |  | https://collection.hortusalkmaar.nl/accession/20140404 | Kleine veldkers | Kleine veldkers | Yes | a | TNB |
| 19900010 | C-Current | | Accepted | Cardamine pratensis | L. |  | https://collection.hortusalkmaar.nl/accession/19900010 | Pinksterbloem | Pinksterbloem | Yes | a | TNB |
| 20080103 | C-Current | | Accepted | Cardiospermum halicacabum | L. |  | https://collection.hortusalkmaar.nl/accession/20080103 | Blaasjeswingerd. | Blaasjeswingerd. | Cultuur | | |
| 20261128 | C-Current | | Accepted | Carex comans | Berggr. | | https://collection.hortusalkmaar.nl/accession/20261128 | Bronzen zegge | Bronzen zegge | Cultuur | | |
| 20211049 | C-Current | | Accepted | Carex flacca | Schreb. |  | https://collection.hortusalkmaar.nl/accession/20211049 | Zeegroene zegge | Zeegroene zegge | Yes | a | TNB |
| 20211047 | C-Current | | Accepted | Carex paniculata subsp. paniculata | |  | https://collection.hortusalkmaar.nl/accession/20211047 | Pluimzegge | Pluimzegge | Yes | a | TNB |
| 19890031 | C-Current | | Accepted | Carex arenaria | L. | | https://collection.hortusalkmaar.nl/accession/19890031 | Zandzegge | Zandzegge | Yes | a | TNB |
| 20211048 | C-Current | | Accepted | Carex disticha | Huds. | | https://collection.hortusalkmaar.nl/accession/20211048 | Tweerijige zegge | Tweerijige zegge | Yes | a | TNB |
| 19980206 | C-Current | | Accepted | Carex hirta | L. | | https://collection.hortusalkmaar.nl/accession/19980206 | Ruige zegge | Ruige zegge | Yes | a | TNB |
| 20211039 | C-Current | | Accepted | Carex nigra | (L.) Reichard | | https://collection.hortusalkmaar.nl/accession/20211039 | Zwarte zegge | Zwarte zegge | Yes | a | TNB |
| 20211066 | C-Current | | Accepted | Carex oederi | Michx. |  | https://collection.hortusalkmaar.nl/accession/20211066 | Dwergzegge | Dwergzegge | Yes | a | TNB |
| 20211040 | C-Current | | Accepted | Carex pseudocyperus | L. | | https://collection.hortusalkmaar.nl/accession/20211040 | Hoge cyperzegge | Hoge cyperzegge | Yes | a | TNB |
| 20261131 | C-Current | | Accepted | Carex remota | L. | | https://collection.hortusalkmaar.nl/accession/20261131 | IJle zegge | IJle zegge | Yes | a | TNB |
| 20200256 | C-Current | | Accepted | Carex sylvatica | Huds. | | https://collection.hortusalkmaar.nl/accession/20200256 | Boszegge | Boszegge | Yes | z | TNB |
| 19940431 | C-Current | | Accepted | Carpinus betulus | L. |  | https://collection.hortusalkmaar.nl/accession/19940431 | Haagbeuk | European Hornbeam, Haagbeuk | Yes | a | TNB |
| 20211026 | C-Current | | Accepted | Carthamus tinctorius | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20211026 | Saffloer | Saffloer | Yes | zz | |
| 20090001 | C-Current | | Accepted | Carum carvi | L. |  | https://collection.hortusalkmaar.nl/accession/20090001 | Echte karwij | Echte karwij | Yes | zz | BE |
| 20211025 | C-Current | | Accepted | Cassia | | | https://collection.hortusalkmaar.nl/accession/20211025 | Cassia | Cassia | Cultuur | | |
| 19880014 | C-Current | | Accepted | Castanea sativa | Mill. |  | https://collection.hortusalkmaar.nl/accession/19880014 | Tamme kastanje | European chestnut, Spanish chestnut, Sweet chestnut, Tamme kastanje | Yes | a | TNB |
| 19870007 | C-Current | | Accepted | Catalpa bignonioides | Walter |  | https://collection.hortusalkmaar.nl/accession/19870007 | Gewone trompetboom | Gewone trompetboom | Cultuur | zz | |
| 20190383 | C-Current | | Accepted | Catha edulis | (Vahl) Forssk. ex Endl. |  | https://collection.hortusalkmaar.nl/accession/20190383 | Qat | Qat | No | | |
| 19910121 | C-Current | | Accepted | Catharanthus roseus | (L.) G.Don. |  | https://collection.hortusalkmaar.nl/accession/19910121 | Roze maagdenpalm | Madagascar periwinkle, Roze maagdenpalm | Cultuur | | |
| 19890005 | C-Current | | Accepted | Ceanothus americanus | L. |  | https://collection.hortusalkmaar.nl/accession/19890005 | Amerikaanse sering | Amerikaanse sering | Cultuur | | |
| 20100221 | C-Current | | Accepted | Cedronella canariensis | L. |  | https://collection.hortusalkmaar.nl/accession/20100221 | Mekkabalsem | Mekkabalsem | Cultuur | | |
| 19960460 | C-Current | | Accepted | Cedrus libani | A.Rich. |  | https://collection.hortusalkmaar.nl/accession/19960460 | Libanon ceder | Libanon ceder | Cultuur | | |
| 20201000 | C-Current | | Accepted | Celtis sinensis var. japonica | (Planch.) Nakai |  | https://collection.hortusalkmaar.nl/accession/20201000 | Chinese netelboom | Chinese netelboom | Cultuur | | |
| 20020164 | C-Current | | Accepted | Centaurea benedicta | (L.) L. |  | https://collection.hortusalkmaar.nl/accession/20020164 | Gezegende distel | Gezegende distel | Cultuur | zzz | |
| 19880015 | C-Current | | Accepted | Centaurea cyanus | L. |  | https://collection.hortusalkmaar.nl/accession/19880015 | Korenbloem | Korenbloem | Yes | a | GE |
| 20261149 | C-Current | | Accepted | Centaurea jacea | L. |  | https://collection.hortusalkmaar.nl/accession/20261149 | Knoopkruid | Knoopkruid | Yes | a | TNB |
| 20040202 | C-Current | | Accepted | Centaurium erythraea | Rafn 1800 |  | https://collection.hortusalkmaar.nl/accession/20040202 | Echt duizendguldenkruid | Centaury, Drug centaurium, Echt duizendguldenkruid | Yes | a | TNB |
| 20211067 | C-Current | | Accepted | Centaurium pulchellum | (Sw.) Hayek ex Hand.-Mazz., Stadlm., Janch. & Faltis |  | https://collection.hortusalkmaar.nl/accession/20211067 | Fraai duizendguldenkruid | Fraai duizendguldenkruid | Yes | a | TNB |
| 20241082 | C-Current | | Accepted | Centaurium pulchellum | (Sw.) Hayek ex Hand.-Mazz., Stadlm., Janch. & Faltis |  | https://collection.hortusalkmaar.nl/accession/20241082 | Fraai duizendguldenkruid | Fraai duizendguldenkruid | Yes | a | TNB |
| 20241090 | C-Current | | Accepted | Centaurium pulchellum | (Sw.) Hayek ex Hand.-Mazz., Stadlm., Janch. & Faltis |  | https://collection.hortusalkmaar.nl/accession/20241090 | Fraai duizendguldenkruid | Fraai duizendguldenkruid | Yes | a | TNB |
| 20140212 | C-Current | | Accepted | Cephalanthus occidentalis | L. |  | https://collection.hortusalkmaar.nl/accession/20140212 | Kogelbloem | Kogelbloem | Cultuur | | |
| 20211092 | C-Current | | Accepted | Cephalaria leucantha | (L.) Schrad. ex Roem. & Schult |  | https://collection.hortusalkmaar.nl/accession/20211092 | Schoepkruid | Schoepkruid | Cultuur | | |
| 20200261 | C-Current | | Accepted | Cerastium arvense | L. | | https://collection.hortusalkmaar.nl/accession/20200261 | Akkerhoornbloem | Akkerhoornbloem | Yes | | |
| 20140405 | C-Current | | Accepted | Cerastium glomeratum | Thuill. | | https://collection.hortusalkmaar.nl/accession/20140405 | Kluwenhoornbloem | Kluwenhoornbloem | Yes | a | TNB |
| 20130252 | C-Current | | Accepted | Ceratonia siliqua | L. |  | https://collection.hortusalkmaar.nl/accession/20130252 | Johannesbroodboom | Johannesbroodboom | Cultuur | | |
| 19880016 | C-Current | | Accepted | Cercis siliquastrum | L. |  | https://collection.hortusalkmaar.nl/accession/19880016 | Europese judasboom | Europese judasboom | Cultuur | zzz | |
| 20191028 | C-Current | | Accepted | Chaenorhinum minus | (L.) Lange 1870 | | https://collection.hortusalkmaar.nl/accession/20191028 | Kleine leeuwenbek | Kleine leeuwenbek | Yes | a | TNB |
| 19970047 | C-Current | | Accepted | Chaerophyllum temulum | L. emend. Hoffm. |  | https://collection.hortusalkmaar.nl/accession/19970047 | Dolle kervel | Dolle kervel | Yes | a | TNB |
| 19890006 | C-Current | | Accepted | Chamaecyparis lawsoniana | (A. Murr.) Parl. |  | https://collection.hortusalkmaar.nl/accession/19890006 | Californische cipres | Californische cipres, Lawson's Cypress | Cultuur | z | |
| 20120340 | C-Current | | Synonym | Chamaenerion angustifolium | (L.) Scop. 1771 |  | https://collection.hortusalkmaar.nl/accession/20120340 | Wilgenroosje | Wilgenroosje | Yes | a | TNB |
| 19980001 | C-Current | | Accepted | Chamaerops humilis | L. |  | https://collection.hortusalkmaar.nl/accession/19980001 | Europese dwergpalm | Europese dwergpalm | Cultuur | zzz | |
| 20200242 | C-Current | | Accepted | Chasmanthium latifolium | (Michx) Yates |  | https://collection.hortusalkmaar.nl/accession/20200242 | Plataargras | Plataargras | Cultuur | | |
| 19810010 | C-Current | | Accepted | Chelidonium majus | L. |  | https://collection.hortusalkmaar.nl/accession/19810010 | Stinkende gouwe | Stinkende gouwe | Yes | a | TNB |
| 19990166 | C-Current | | Accepted | Chelone glabra | L. |  | https://collection.hortusalkmaar.nl/accession/19990166 | Gladde schildpadbloem | Gladde schildpadbloem | Cultuur | | |
| 20130203 | C-Current | | Accepted | Chenopodium quinoa | Willd. |  | https://collection.hortusalkmaar.nl/accession/20130203 | Quinoa | Quinoa | Cultuur | zzz | |
| 19920302 | C-Current | | Accepted | Chenopodium vulvaria | L. |  | https://collection.hortusalkmaar.nl/accession/19920302 | Stinkende ganzenvoet | Stinkende ganzenvoet | Yes | zzz | BE |
| 20140208 | C-Current | | Accepted | Chionanthus virginicus | L. |  | https://collection.hortusalkmaar.nl/accession/20140208 | Sneeuwvlokkenboom | Sneeuwvlokkenboom | Cultuur | | |
| 19000190 | C-Current | | Accepted | Chromolaena odorata | (L.) R.M. King & H. Rob |  | https://collection.hortusalkmaar.nl/accession/19000190 | Leverkruid | Leverkruid | Cultuur | | |
| 19920022 | Ontzameld | Vernietigd | Accepted | Chrysopogon zizanioides | (L.)Roberty |  | https://collection.hortusalkmaar.nl/accession/19920022 | Vetiver | Vetiver | No | | |
| 20140310 | C-Current | | Accepted | Chrysosplenium oppositifolium | L. |  | https://collection.hortusalkmaar.nl/accession/20140310 | Paarbladig goudveil | Paarbladig goudveil | Yes | zz | TNB |
| 19870008 | C-Current | | Accepted | Cichorium intybus | L. |  | https://collection.hortusalkmaar.nl/accession/19870008 | Wilde cichorei | Chicory, Wild succory, Wilde cichorei | Yes | a | TNB |
| 19990401 | C-Current | | Accepted | Cicuta virosa | L. |  | https://collection.hortusalkmaar.nl/accession/19990401 | Waterscheerling | Waterscheerling | Yes | z | KW |
| 19000118 | C-Current | | Accepted | Cinchona calisaya | Wedd. |  | https://collection.hortusalkmaar.nl/accession/19000118 | Kina | Kina | | | |
| 20140406 | C-Current | | Accepted | Circaea lutetiana | L. | | https://collection.hortusalkmaar.nl/accession/20140406 | Groot heksenkruid | Groot heksenkruid | Yes | a | TNB |
| 20170303 | C-Current | | Accepted | Cirsium acaule | (L.) Scop. |  | https://collection.hortusalkmaar.nl/accession/20170303 | Aarddistel | Aarddistel | Yes | zz | KW |
| 20251078 | C-Current | | Accepted | Cirsium canum | (L.) All. | | https://collection.hortusalkmaar.nl/accession/20251078 | Grijze vederdistel | Grijze vederdistel, Queen Anne's thistle, Graue Kratzdistel, Cardo biancheggiante, Cirse cendré | Adventitious | | |
| 20181061 | C-Current | | Accepted | Citrus x limon var. bergamia | (L.) Osbeck | | https://collection.hortusalkmaar.nl/accession/20181061 | Bergamot | Bergamot | Cultuur | | |
| 20150217 | C-Current | | Accepted | Citrus maxima | (Burm.) Merr |  | https://collection.hortusalkmaar.nl/accession/20150217 | Pompelmoes | Pompelmoes | Cultuur | | |
| 20170517 | C-Current | | Accepted | Citrus trifoliata | L. |  | https://collection.hortusalkmaar.nl/accession/20170517 | Wilde citroen | Wilde citroen | Cultuur | | |
| 19910288 | C-Current | | Hybrid | Citrus x limon | (L.) Osbeck |  | https://collection.hortusalkmaar.nl/accession/19910288 | Citroen | Citroen | Cultuur | | |
| 20251069 | C-Current | | Accepted | Citrus x limon var. bergamia | (L.) Osbeck | | https://collection.hortusalkmaar.nl/accession/20251069 | Bergamot | Bergamot | Cultuur | | |
| 19910068 | C-Current | | Accepted | Cladrastis kentukea | (Dum.Cours.) Rudd |  | https://collection.hortusalkmaar.nl/accession/19910068 | Amerikaans geelhout | Amerikaans geelhout | Cultuur | | |
| 20140408 | C-Current | | Accepted | Claytonia perfoliata | Donn. ex Willd. | | https://collection.hortusalkmaar.nl/accession/20140408 | Winterpostelein | Winterpostelein | Yes | a | TNB |
| 20140409 | C-Current | | Accepted | Claytonia sibirica | L. | | https://collection.hortusalkmaar.nl/accession/20140409 | Roze winterpostelein | Roze winterpostelein | Established | a | E |
| 19920397 | C-Current | | Accepted | Clematis recta | L. |  | https://collection.hortusalkmaar.nl/accession/19920397 | Stijve clematis | Stijve clematis | Cultuur | | |
| 19810011 | C-Current | | Accepted | Clematis vitalba | L. | | https://collection.hortusalkmaar.nl/accession/19810011 | Bosrank | Bosrank, Old man's beard, Smokewood, Traveler's joy, White vine | Yes | a | TNB |
| 20251061 | C-Current | | Accepted | Clinopodium album | (Waldst. & Kit.) Bräuchler & Govaerts | | https://collection.hortusalkmaar.nl/accession/20251061 | Balkan bergsteentijm | Balkan bergsteentijm | No | | |
| 20251054 | C-Current | | Accepted | Clinopodium nepeta | (L.) Kuntze | | https://collection.hortusalkmaar.nl/accession/20251054 | Kleine bergsteentijm | Kleine bergsteentijm | Yes | zz | E |
| 20120242 | C-Current | | Accepted | Cochlearia officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/20120242 | Echt lepelblad | Echt lepelblad | Yes | zz | BE |
| 20010239 | C-Current | | Accepted | Colchicum autumnale | L. |  | https://collection.hortusalkmaar.nl/accession/20010239 | Herfsttijloos | Herfsttijloos | Yes | zz | KW |
| 20140355 | C-Current | | Hybrid | Colchicum x byzantinum | Ker Gawl. | | https://collection.hortusalkmaar.nl/accession/20140355 | Droogbloeier | Droogbloeier | Cultuur | | |
| 19900012 | C-Current | | Accepted | Collinsonia canadensis | L. |  | https://collection.hortusalkmaar.nl/accession/19900012 | Paardenbalsem | Paardenbalsem | Cultuur | | |
| 20211998 | C-Current | | Accepted | Comarum palustre | L. |  | https://collection.hortusalkmaar.nl/accession/20211998 | Wateraardbei | Wateraardbei | Yes | a | TNB |
| 19850003 | C-Current | | Accepted | Conium maculatum | L. |  | https://collection.hortusalkmaar.nl/accession/19850003 | Gevlekte scheerling | Gevlekte scheerling | Yes | z | TNB |
| 19950071 | C-Current | | Accepted | Convallaria majalis | L. |  | https://collection.hortusalkmaar.nl/accession/19950071 | Lelietje-van-dalen | Lelietje-van-dalen | Yes | a | TNB |
| 19860002 | C-Current | | Accepted | Convolvulus arvensis | L. | | https://collection.hortusalkmaar.nl/accession/19860002 | Akkerwinde | Akkerwinde | Yes | a | TNB |
| 20251082 | C-Current | | Accepted | Cordiofontis flexuosa | (Royle ex Lindl.) G.L.Nesom |  | https://collection.hortusalkmaar.nl/accession/20251082 | Bergaster | Bergaster | Cultuur | | |
| 20130348 | C-Current | | Accepted | Coriandrum sativum | L. |  | https://collection.hortusalkmaar.nl/accession/20130348 | Koriander | Koriander | Cultuur | z | |
| 20120247 | C-Current | | Accepted | Coriaria myrtifolia | L. | | https://collection.hortusalkmaar.nl/accession/20120247 | Looimirte | Looimirte | Cultuur | | |
| 19000141 | C-Current | | Accepted | Coriaria ruscifolia | L. 1832 |  | https://collection.hortusalkmaar.nl/accession/19000141 | Shanshi | Shanshi | No | | |
| 19960469 | C-Current | | Accepted | Cormus domestica | (L.) Spach |  | https://collection.hortusalkmaar.nl/accession/19960469 | Tamme lijsterbes | Service Tree, Tamme lijsterbes | Adventitious | | |
| 19960478 | C-Current | | Accepted | Cornus mas | L. |  | https://collection.hortusalkmaar.nl/accession/19960478 | Gele kornoelje | Gele kornoelje | Yes | zzz | GE |
| 20050161 | C-Current | | Accepted | Cornus sanguinea | L. |  | https://collection.hortusalkmaar.nl/accession/20050161 | Rode kornoelje | Common Dogwood, Rode kornoelje | Yes | a | TNB |
| 19870047 | C-Current | | Accepted | Coronilla varia | L. |  | https://collection.hortusalkmaar.nl/accession/19870047 | Bont kroonkruid | Bont kroonkruid | Yes | z | TNB |
| 20000026 | C-Current | | Accepted | Corydalis cava | (Mill.) Schw. & Koerte |  | https://collection.hortusalkmaar.nl/accession/20000026 | Holwortel | Holwortel | Yes | zz | TNB |
| 20241071 | C-Current | | Accepted | Corydalis solida | (L.) Clairv. | | https://collection.hortusalkmaar.nl/accession/20241071 | Vingerhelmbloem | Vingerhelmbloem | Yes | z | TNB |
| 20261126 | C-Current | | Accepted | Corydalis solida | (L.) Clairv. | | https://collection.hortusalkmaar.nl/accession/20261126 | Vingerhelmbloem | Vingerhelmbloem | Yes | z | TNB |
| 19950430 | C-Current | | Accepted | Corylus avellana | L. |  | https://collection.hortusalkmaar.nl/accession/19950430 | Hazelaar | Common Hazel, Hazelaar | Yes | a | TNB |
| 20261151 | C-Current | | Unresolved | Corylus avellana x maxima | | | https://collection.hortusalkmaar.nl/accession/20261151 | Basterdhazelaar | Basterdhazelaar | Adventitious | | |
| 20261153 | C-Current | | Accepted | Corylus maxima | Mill. | | https://collection.hortusalkmaar.nl/accession/20261153 | Lambertsnoot | Lambertsnoot | Established | zzz | |
| 20160269 | Ontzameld | Vernietigd | Accepted | Corymbia ficifolia | (F.Muell.) K.D.Hill & L.A.S.Johnson 1995 |  | https://collection.hortusalkmaar.nl/accession/20160269 | Roodbloeiende eucalyptus | Roodbloeiende eucalyptus | No | | |
| 20251074 | C-Current | | Accepted | Cota tinctoria | (L.) J.Gay | | https://collection.hortusalkmaar.nl/accession/20251074 | Gele kamille | Gele kamille | Established | z | TNB |
| 19970338 | C-Current | | Accepted | Cotinus coggygria | Scop. |  | https://collection.hortusalkmaar.nl/accession/19970338 | Pruikenboom | Pruikenboom | Cultuur | zz | |
| 20150292 | C-Current | | Accepted | Crambe maritima | L. |  | https://collection.hortusalkmaar.nl/accession/20150292 | Zeekool | Zeekool | Yes | zz | TNB |
| 19880030 | C-Current | | Accepted | Crataegus germanica | (L.) Kuntze |  | https://collection.hortusalkmaar.nl/accession/19880030 | Mispel | Mispel | Yes | z | TNB |
| 19800002 | C-Current | | Accepted | Crataegus monogyna | Jacq. |  | https://collection.hortusalkmaar.nl/accession/19800002 | Eenstijlige meidoorn | Common Hawthorn, Eenstijlige meidoorn | Yes | a | TNB |
| 20140410 | C-Current | | Accepted | Crepis capillaris | (L.) Wallr. | | https://collection.hortusalkmaar.nl/accession/20140410 | Klein streepzaad | Klein streepzaad | Yes | a | TNB |
| 20190384 | C-Current | | Accepted | Crocanthemum canadense | (L.) Britton | | https://collection.hortusalkmaar.nl/accession/20190384 | Canadees zonneroosje | Canadees zonneroosje | No | | |
| 20120343 | C-Current | | Accepted | Crocus sativus | L. |  | https://collection.hortusalkmaar.nl/accession/20120343 | Saffraancrocus | Saffraancrocus | Cultuur | | |
| 20201001 | C-Current | | Accepted | Crocus sativus | L. |  | https://collection.hortusalkmaar.nl/accession/20201001 | Saffraancrocus | Saffraancrocus | Cultuur | | |
| 20241045 | C-Current | | Accepted | Crocus tommasinianus | Herb. |  | https://collection.hortusalkmaar.nl/accession/20241045 | Boerenkrokus | Boerenkrokus | Established | z | TNB |
| 20211083 | C-Current | | Accepted | Cucurbita maxima | Duchesne 1786 |  | https://collection.hortusalkmaar.nl/accession/20211083 | Hokkaido-pompoen | Hokkaido-pompoen | Cultuur | zzz | |
| 19880017 | C-Current | | Accepted | Cucurbita pepo | L. | | https://collection.hortusalkmaar.nl/accession/19880017 | Sierpompoen | Sierpompoen | Cultuur | z | |
| 20030180 | C-Current | | Accepted | Cuphea viscosissima | Jacq. |  | https://collection.hortusalkmaar.nl/accession/20030180 | Lucifersplant | Lucifersplant | Cultuur | | |
| 20020284 | C-Current | | Accepted | Cupressus sempervirens | L. |  | https://collection.hortusalkmaar.nl/accession/20020284 | Echte cypres | Echte cypres | Cultuur | | |
| 20140390 | C-Current | | Accepted | Curcuma longa | L. | | https://collection.hortusalkmaar.nl/accession/20140390 | Kurkuma | Kurkuma, Turmeric | Cultuur | | |
| 20251084 | C-Current | | Accepted | Cuscuta campestris | Yunck. | | https://collection.hortusalkmaar.nl/accession/20251084 | Veldwarkruid | Veldwarkruid | Established | | |
| 19940340 | C-Current | | Accepted | Cuscuta europaea | L. |  | https://collection.hortusalkmaar.nl/accession/19940340 | Groot warkruid | Groot warkruid | Yes | z | TNB |
| 20251083 | C-Current | | Accepted | Cuscuta lupuliformis | Krock. | | https://collection.hortusalkmaar.nl/accession/20251083 | Hopwarkruid | Hopwarkruid | Yes | | |
| 20180265 | C-Current | | Accepted | Cycas revoluta | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20180265 | Cycaspalm | Cycaspalm | Cultuur | | |
| 20221022 | C-Current | | Accepted | Cyclamen hederifolium | Aiton |  | https://collection.hortusalkmaar.nl/accession/20221022 | Napolitaanse cyclaam | Napolitaanse cyclaam | Cultuur | zz | |
| 20080145 | C-Current | | Accepted | Cyclamen purpurascens | Mill. |  | https://collection.hortusalkmaar.nl/accession/20080145 | Europese cyclaam | Europese cyclaam | No | | |
| 19870011 | C-Current | | Accepted | Cydonia oblonga | Mill. |  | https://collection.hortusalkmaar.nl/accession/19870011 | Kwee | Kwee | Cultuur | zz | |
| 19870277 | C-Current | | Accepted | Cydonia oblonga | Mill. |  | https://collection.hortusalkmaar.nl/accession/19870277 | Kwee | Kwee | Cultuur | zz | |
| 20140412 | C-Current | | Accepted | Cymbalaria muralis | L. |  | https://collection.hortusalkmaar.nl/accession/20140412 | Muurleeuwenbek | Muurleeuwenbek | Yes | a | TNB |
| 19000150 | Ontzameld | Vernietigd | Accepted | Cymbopogon iwarancusa | (Roxb.) Schult. | | https://collection.hortusalkmaar.nl/accession/19000150 | Citroengras | Citroengras | Cultuur | | |
| 20140388 | C-Current | | Accepted | Cynara cardunculus subsp. cardunculus | |  | https://collection.hortusalkmaar.nl/accession/20140388 | Kardoen | Kardoen | Cultuur | zz | |
| 19900014 | Ontzameld | Vernietigd | Accepted | Cynodon dactylon | (L.) Pers. |  | https://collection.hortusalkmaar.nl/accession/19900014 | Handjesgras | Handjesgras | Yes | z | TNB |
| 19900015 | C-Current | | Accepted | Cynoglossum officinale | L. |  | https://collection.hortusalkmaar.nl/accession/19900015 | Veldhondstong | Veldhondstong | Yes | z | TNB |
| 20211050 | C-Current | | Accepted | Cyperus longus | L. | | https://collection.hortusalkmaar.nl/accession/20211050 | Rood cypergras | Rood cypergras | Established | zz | |
| 20261129 | C-Current | | Accepted | Cyperus ustulatus | A.Rich. | | https://collection.hortusalkmaar.nl/accession/20261129 | Toetoe upoko-tangata | Toetoe upoko-tangata | No | | |
| 20100168 | C-Current | | Accepted | Cypripedium reginae | Walter |  | https://collection.hortusalkmaar.nl/accession/20100168 | Koninklijke vrouwenschoen | Koninklijke vrouwenschoen | Cultuur | | |
| 20140413 | C-Current | | Accepted | Cyrtomium falcatum | (L.f.) C.Presl. |  | https://collection.hortusalkmaar.nl/accession/20140413 | IJzervaren | IJzervaren | Established | zz | TNB |
| 20160330 | C-Current | | Accepted | Cyrtomium fortunei | J.Sm. |  | https://collection.hortusalkmaar.nl/accession/20160330 | Smalle ijzervaren | Smalle ijzervaren | Established | zz | |
| 20261124 | C-Current | | Accepted | Cyrtomium laetevirens | (Hiyama) Nakaike | | https://collection.hortusalkmaar.nl/accession/20261124 | Japanse ijzervaren | Japanse ijzervaren | Cultuur | | |
| 20261125 | C-Current | | | Cyrtomium spec. | | | https://collection.hortusalkmaar.nl/accession/20261125 | IJzervaren onbekend | IJzervaren onbekend | Adventitious | | |
| 20261106 | C-Current | | Accepted | Cystopteris fragilis | (L.) Bernh. | | https://collection.hortusalkmaar.nl/accession/20261106 | Blaasvaren | Blaasvaren | Yes | | |
| 19810012 | C-Current | | Accepted | Cytisus scoparius | (L.) Link |  | https://collection.hortusalkmaar.nl/accession/19810012 | Brem | Brem | Yes | a | TNB |
| 19850004 | C-Current | | Accepted | Dactylis glomerata subsp. glomerata | | | https://collection.hortusalkmaar.nl/accession/19850004 | Gewone kropaar | Gewone kropaar | Yes | a | TNB |
| 19940432 | C-Current | | Accepted | Dactylorhiza majalis subsp. praetermissa | Druce |  | https://collection.hortusalkmaar.nl/accession/19940432 | Rietorchis | Rietorchis | Yes | a | TNB |
| 19930257 | C-Current | | Accepted | Daphne laureola | L. |  | https://collection.hortusalkmaar.nl/accession/19930257 | Zwart peperboompje | Zwart peperboompje | Cultuur | zzz | |
| 20170288 | C-Current | | Accepted | Darlingtonia californica | Torr. |  | https://collection.hortusalkmaar.nl/accession/20170288 | Cobralelie | Cobralelie | Cultuur | | |
| 19990233 | C-Current | | Accepted | Datisca cannabina | L. |  | https://collection.hortusalkmaar.nl/accession/19990233 | Valse hennep | Valse hennep | Cultuur | | |
| 19890007 | C-Current | | Accepted | Datura ferox | L. |  | https://collection.hortusalkmaar.nl/accession/19890007 | Doornappel | Doornappel | Adventitious | zzz | |
| 19970199 | C-Current | | Accepted | Datura innoxia | Mill. |  | https://collection.hortusalkmaar.nl/accession/19970199 | Donzige doornappel | Donzige doornappel | No | | |
| 19840009 | C-Current | | Accepted | Datura stramonium | L. |  | https://collection.hortusalkmaar.nl/accession/19840009 | Doornappel | Doornappel, Thornapple | Yes | a | TNB |
| 19900016 | C-Current | | Accepted | Daucus carota | L. |  | https://collection.hortusalkmaar.nl/accession/19900016 | Peen | Peen | Yes | a | TNB |
| 20241042 | C-Current | | Accepted | Delphinium consolida | L. |  | https://collection.hortusalkmaar.nl/accession/20241042 | Wilde ridderspoor | Wilde ridderspoor | Yes | zzz | EB |
| 20140463 | C-Current | | Accepted | Delphinium consolida | L. |  | https://collection.hortusalkmaar.nl/accession/20140463 | Wilde ridderspoor | Wilde ridderspoor | Yes | zzz | EB |
| 20140414 | C-Current | | Accepted | Dianthus armeria | L. |  | https://collection.hortusalkmaar.nl/accession/20140414 | Ruige anjer | Ruige anjer | Yes | zz | KW |
| 19910242 | C-Current | | Accepted | Dicentra canadensis | (Goldie) Walp. |  | https://collection.hortusalkmaar.nl/accession/19910242 | Canadees gebroken hartje | Canadees gebroken hartje | Cultuur | | |
| 20140246 | C-Current | | Accepted | Digitalis grandiflora | Mill. |  | https://collection.hortusalkmaar.nl/accession/20140246 | Grootbloemig vingerhoedskruid | Grootbloemig vingerhoedskruid | Cultuur | zzz | |
| 20080123 | C-Current | | Accepted | Digitalis lanata | Ehrh. |  | https://collection.hortusalkmaar.nl/accession/20080123 | Wollig vingerhoedskruid | Wollig vingerhoedskruid | Cultuur | zzz | |
| 19880018 | C-Current | | Accepted | Digitalis lutea | L. |  | https://collection.hortusalkmaar.nl/accession/19880018 | Geel vingerhoedskruid | Geel vingerhoedskruid | Cultuur | zzz | |
| 19870012 | C-Current | | Accepted | Digitalis purpurea | L. |  | https://collection.hortusalkmaar.nl/accession/19870012 | Vingerhoedskruid | Vingerhoedskruid | Yes | a | TNB |
| 20241050 | C-Current | | Accepted | Dionaea muscipula | J.Ellis |  | https://collection.hortusalkmaar.nl/accession/20241050 | Venus vliegenval | Venus vliegenval | Cultuur | zzz | |
| 20170289 | C-Current | | Accepted | Dionaea muscipula | J.Ellis |  | https://collection.hortusalkmaar.nl/accession/20170289 | Venus vliegenval | Venus vliegenval | Cultuur | zzz | |
| 20170266 | C-Current | | Accepted | Dionaea muscipula | J.Ellis |  | https://collection.hortusalkmaar.nl/accession/20170266 | Venus vliegenval | Venus vliegenval | Cultuur | zzz | |
| 20160344 | C-Current | | Accepted | Dioscorea polystachya | Turcz. | | https://collection.hortusalkmaar.nl/accession/20160344 | Chinese yam | Chinese yam | | | |
| 19920411 | C-Current | | Accepted | Dioscorea villosa | L. |  | https://collection.hortusalkmaar.nl/accession/19920411 | Wilde yam | Wilde yam | Cultuur | | |
| 20170516 | C-Current | | Accepted | Diospyros kaki | L.f. |  | https://collection.hortusalkmaar.nl/accession/20170516 | Kaki (Sjaronfruit) | Kaki (Sjaronfruit) | Cultuur | | |
| 20241104 | C-Current | | Accepted | Diospyros lycioides | Desf. |  | https://collection.hortusalkmaar.nl/accession/20241104 | 'Blauwstruik' | 'Blauwstruik' | Cultuur | | |
| 19840010 | C-Current | | Accepted | Diplotaxis tenuifolia | DC. |  | https://collection.hortusalkmaar.nl/accession/19840010 | Grote zandkool | Grote zandkool | Yes | a | TNB |
| 19840011 | C-Current | | Accepted | Dipsacus fullonum | L. |  | https://collection.hortusalkmaar.nl/accession/19840011 | Grote kaardebol | Grote kaardebol | Yes | a | TNB |
| 20251090 | C-Current | | Accepted | Doellingeria umbellata | (Mill.) Nees | | https://collection.hortusalkmaar.nl/accession/20251090 | Witte schermaster | Witte schermaster | Established | | |
| 20140357 | C-Current | | Accepted | Doronicum pardalianches | L. |  | https://collection.hortusalkmaar.nl/accession/20140357 | Hartbladzonnebloem | Hartbladzonnebloem | Yes | zz | TNB |
| 20140420 | C-Current | | Accepted | Draba verna | L. | | https://collection.hortusalkmaar.nl/accession/20140420 | Vroegeling | Vroegeling | Yes | a | TNB |
| 20190330 | C-Current | | Accepted | Dracaena draco | (L.) L. |  | https://collection.hortusalkmaar.nl/accession/20190330 | Drakenbloedboom | Drakenbloedboom | Cultuur | | |
| 19840018 | C-Current | | Accepted | Dracocephalum officinale | (L.) Y.P.Chen & B.T.Drew |  | https://collection.hortusalkmaar.nl/accession/19840018 | Hyssop | Hyssop | Cultuur | zz | |
| 20140295 | C-Current | | Accepted | Dracunculus vulgaris | Schott |  | https://collection.hortusalkmaar.nl/accession/20140295 | Drakenwortel | Drakenwortel | Cultuur | zzz | |
| 20020285 | C-Current | | Accepted | Drimia maritima | (L.) Stearn |  | https://collection.hortusalkmaar.nl/accession/20020285 | Zeeui | Maritime squill, Zeeui | No | | |
| 20160015 | C-Current | | Accepted | Drimia maritima | (L.) Stearn |  | https://collection.hortusalkmaar.nl/accession/20160015 | Zeeui | Maritime squill, Zeeui | No | | |
| 19920427 | Ontzameld | Vernietigd | Accepted | Drimys winteri | J.R.Forst & G.Forst. |  | https://collection.hortusalkmaar.nl/accession/19920427 | Chileense peperboom | Canelo, Chileense peperboom, Winter's bark | No | | |
| 20231032 | C-Current | | Accepted | Drosera anglica | Huds. 1778 |  | https://collection.hortusalkmaar.nl/accession/20231032 | Lange zonnedauw | Lange zonnedauw | Yes | zzz | EB |
| 20170287 | C-Current | | Accepted | Drosera binata | Labill. |  | https://collection.hortusalkmaar.nl/accession/20170287 | Gevorkte zonnedauw | Gevorkte zonnedauw | Cultuur | | |
| 20100206 | C-Current | | Accepted | Drosera intermedia | Hayne |  | https://collection.hortusalkmaar.nl/accession/20100206 | Kleine zonnedauw | Kleine zonnedauw | Yes | a | TNB |
| 20170290 | C-Current | | Accepted | Drosera intermedia | Hayne |  | https://collection.hortusalkmaar.nl/accession/20170290 | Kleine zonnedauw | Kleine zonnedauw | Yes | a | TNB |
| 20140416 | C-Current | | Accepted | Drosera rotundifolia | L. |  | https://collection.hortusalkmaar.nl/accession/20140416 | Ronde zonnedauw | Ronde zonnedauw | Yes | a | GE |
| 20170291 | C-Current | | Accepted | Drosera rotundifolia | L. |  | https://collection.hortusalkmaar.nl/accession/20170291 | Ronde zonnedauw | Ronde zonnedauw | Yes | a | GE |
| 20211065 | C-Current | | Accepted | Drosera tracyi | Macfarl. |  | https://collection.hortusalkmaar.nl/accession/20211065 | Draad-zonnedauw | Draad-zonnedauw | Cultuur | | |
| 20261095 | C-Current | | Accepted | Dryopteris affinis | (Lowe) Fraser-Jenk. | | https://collection.hortusalkmaar.nl/accession/20261095 | Geschubde mannetjesvaren | Geschubde mannetjesvaren | Yes | | |
| 20261111 | C-Current | | Accepted | Dryopteris affinis subsp. affinis | | | https://collection.hortusalkmaar.nl/accession/20261111 | Glanzende geschubde mannetjesvaren | Glanzende geschubde mannetjesvaren | Yes | | |
| 20221028 | C-Current | | Accepted | Dryopteris affinis subsp. borreri | (Newman) Fraser-Jenk |  | https://collection.hortusalkmaar.nl/accession/20221028 | Matte geschubde mannetjesvaren | Matte geschubde mannetjesvaren, Geschubde mannetjesvaren | Yes | z | |
| 20211076 | C-Current | | Accepted | Dryopteris carthusiana | (Vill.) H.P. Fuchs |  | https://collection.hortusalkmaar.nl/accession/20211076 | Smalle stekelvaren | Smalle stekelvaren | Yes | a | TNB |
| 20261102 | C-Current | | Accepted | Dryopteris carthusiana | (Vill.) H.P. Fuchs | | https://collection.hortusalkmaar.nl/accession/20261102 | Smalle stekelvaren | Smalle stekelvaren | Yes | | |
| 20261123 | C-Current | | Accepted | Dryopteris crassirhizoma | Nakai | | https://collection.hortusalkmaar.nl/accession/20261123 | Conische mannetjesvaren | Conische mannetjesvaren | Cultuur | | |
| 20261115 | C-Current | | Accepted | Dryopteris cycadina | (Franch. & Sav.) C.Chr. | | https://collection.hortusalkmaar.nl/accession/20261115 | Gezaagde niervaren | Gezaagde niervaren | Established | zzz | |
| 20211075 | C-Current | | Accepted | Dryopteris dilatata | (Hoffm.) A. Gray |  | https://collection.hortusalkmaar.nl/accession/20211075 | Brede stekelvaren | Brede stekelvaren, Breitblättriger Dornfarn, Breiter Wurmfarn, Broad Buckler-fern, Dryoptéris dilaté, Shield fern | Yes | a | TNB |
| 20261105 | C-Current | | Accepted | Dryopteris erythrosora | (D.C.Eaton) Kuntze | | https://collection.hortusalkmaar.nl/accession/20261105 | Herfstvaren | Herfstvaren | Established | | |
| 19990156 | C-Current | | Accepted | Dryopteris filix-mas | (L.) Schott | | https://collection.hortusalkmaar.nl/accession/19990156 | Mannetjesvaren | Mannetjesvaren | Yes | a | TNB |
| 19970019 | C-Current | | Accepted | Dysphania ambrosioides | (L.) Mosyakin & Clemants | | https://collection.hortusalkmaar.nl/accession/19970019 | Welriekende ganzenvoet | Welriekende ganzenvoet | Established | z | E |
| 19000170 | C-Current | | Accepted | Dysphania ambrosioides | (L.) Mosyakin & Clemants | | https://collection.hortusalkmaar.nl/accession/19000170 | Welriekende ganzenvoet | Welriekende ganzenvoet | Established | z | E |
| 19900142 | C-Current | | Accepted | Ecballium elaterium | (L.) A.Rich. |  | https://collection.hortusalkmaar.nl/accession/19900142 | Springkomkommer | Springkomkommer | Cultuur | zzz | |
| 19810013 | C-Current | | Accepted | Echinacea pallida | (Nutt.) Nutt. |  | https://collection.hortusalkmaar.nl/accession/19810013 | Bleke zonnehoed | Bleke zonnehoed | Cultuur | | |
| 20200236 | C-Current | | Accepted | Echinacea paradoxa | (Norton) Britton | | https://collection.hortusalkmaar.nl/accession/20200236 | Gele zonnehoed | Gele zonnehoed | Cultuur | | |
| 19810001 | C-Current | | Accepted | Echinacea purpurea | (L.) Moench |  | https://collection.hortusalkmaar.nl/accession/19810001 | Rode zonnehoed | Rode zonnehoed | Cultuur | zzz | |
| 20241047 | C-Current | | Accepted | Echinops bannaticus | Rochel ex Schrad. | | https://collection.hortusalkmaar.nl/accession/20241047 | Blauwe kogeldistel | Blauwe kogeldistel | Established | zz | |
| 19920219 | C-Current | | Accepted | Echinops exaltatus | Schrad. |  | https://collection.hortusalkmaar.nl/accession/19920219 | Stekelige kogeldistel | Stekelige kogeldistel | Cultuur | zz | |
| 20231027 | C-Current | | Accepted | Echium vulgare | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20231027 | Slangenkruid | Almindelig slangehoved, Blåeld, Blueweed, Natternkopf, Ormehode, Slangenkruid, Spekwoartel, Viborera, Viper’s bugloss, Viperina azzurra, Vipérine commune | Yes | a | TNB |
| 20130220 | C-Current | | Accepted | Elaeagnus umbellata | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20130220 | Schermolijfwilg | Schermolijfwilg | Cultuur | zz | |
| 20231039 | C-Current | | Accepted | Elaeagnus x submacrophylla | Servett. 1909 |  | https://collection.hortusalkmaar.nl/accession/20231039 | Zilverbes | Zilverbes | Cultuur | zz | |
| 20251052 | C-Current | | Accepted | Eleocharis quinqueflora | (Hartmann) O.Schwarz | | https://collection.hortusalkmaar.nl/accession/20251052 | Armbloemige waterbies | Armbloemige waterbies | Yes | | |
| 20211060 | C-Current | | Accepted | Eleocharis uniglumis | (Link) Schult. | | https://collection.hortusalkmaar.nl/accession/20211060 | Slanke waterbies | Slanke waterbies | Yes | a | TNB |
| 19900018 | C-Current | | Accepted | Elettaria cardamomum | (L.) Matton |  | https://collection.hortusalkmaar.nl/accession/19900018 | Kardemom | Kardemom | Cultuur | | |
| 20140315 | C-Current | | Accepted | Elodea canadensis | Michx. | | https://collection.hortusalkmaar.nl/accession/20140315 | Brede waterpest | Brede waterpest | Yes | a | GE |
| 20140358 | C-Current | | Accepted | Elodea nuttallii | (Planch.) H.St.John | | https://collection.hortusalkmaar.nl/accession/20140358 | Smalle waterpest | Smalle waterpest | Established | a | E |
| 20200243 | C-Current | | Accepted | Elymus hystrix | L. |  | https://collection.hortusalkmaar.nl/accession/20200243 | Flessenborstelgras | Eastern bottlebrush grass, Flessenborstelgras | Cultuur | | |
| 19810014 | C-Current | | Accepted | Elymus repens | (L.) Gould |  | https://collection.hortusalkmaar.nl/accession/19810014 | Kweek | Kweek | Yes | a | TNB |
| 20211079 | C-Current | | Accepted | Empetrum nigrum | L. |  | https://collection.hortusalkmaar.nl/accession/20211079 | Kraaihei | Kraaihei | Yes | z | TNB |
| 19950411 | C-Current | | Accepted | Ephedra distachya | L. |  | https://collection.hortusalkmaar.nl/accession/19950411 | Zeedruif | Zeedruif | No | | |
| 19900019 | C-Current | | Accepted | Epilobium hirsutum | L. |  | https://collection.hortusalkmaar.nl/accession/19900019 | Harig wilgenroosje | Harig wilgenroosje | Yes | a | TNB |
| 20140361 | C-Current | | Hybrid | Epimedium x versicolor | É.Morren |  | https://collection.hortusalkmaar.nl/accession/20140361 | Elfenbloem | Elfenbloem | Adventitious | zzz | |
| 20251080 | C-Current | | Accepted | Epipactis helleborine subsp. helleborine | |  | https://collection.hortusalkmaar.nl/accession/20251080 | Brede wespenorchis | Brede wespenorchis | Yes | a | |
| 20140417 | C-Current | | Accepted | Epipactis helleborine subsp. helleborine | |  | https://collection.hortusalkmaar.nl/accession/20140417 | Brede wespenorchis | Brede wespenorchis | Yes | a | |
| 19980200 | C-Current | | Accepted | Epipactis palustris | (L.) Crantz. |  | https://collection.hortusalkmaar.nl/accession/19980200 | Moeraswespenorchis | Moeraswespenorchis | Yes | z | KW |
| 20181032 | C-Current | | Accepted | Epiphyllum oxypetalum | (DC.) Haworth | | https://collection.hortusalkmaar.nl/accession/20181032 | Queen-of-the-Night | Queen-of-the-Night, Queen-of-the-Night | Cultuur | | |
| 19830006 | C-Current | | Accepted | Equisetum arvense | L. |  | https://collection.hortusalkmaar.nl/accession/19830006 | Heermoes | Heermoes | Yes | a | TNB |
| 19810015 | C-Current | | Accepted | Equisetum hyemale | L. |  | https://collection.hortusalkmaar.nl/accession/19810015 | Schaafstro | Schaafstro | Yes | z | TNB |
| 20251079 | C-Current | | Accepted | Equisetum sylvaticum | L. | | https://collection.hortusalkmaar.nl/accession/20251079 | Bospaardenstaart | Bospaardenstaart | Yes | zz | KW |
| 20261136 | C-Current | | Accepted | Equisetum telmateia | Ehrh. | | https://collection.hortusalkmaar.nl/accession/20261136 | Reuzenpaardenstaart | Reuzenpaardenstaart | Yes | zz | TNB |
| 20120277 | C-Current | | Accepted | Eranthis hyemalis | (L.) Salisb. |  | https://collection.hortusalkmaar.nl/accession/20120277 | Winterakoniet | Winterakoniet | Yes | z | TNB |
| 19960431 | C-Current | | Accepted | Erechtites hieraciifolius | (L.) Raf. ex DC. |  | https://collection.hortusalkmaar.nl/accession/19960431 | Vuurkruid | Vuurkruid | Cultuur | | |
| 20140418 | C-Current | | Accepted | Erica tetralix | L. |  | https://collection.hortusalkmaar.nl/accession/20140418 | Gewone dophei | Gewone dophei | Yes | a | TNB |
| 20140419 | C-Current | | Accepted | Erigeron annuus | (L.) Desf |  | https://collection.hortusalkmaar.nl/accession/20140419 | Zomerfijnstraal | Zomerfijnstraal | Yes | a | TNB |
| 19870009 | C-Current | | Accepted | Erigeron canadensis | L. |  | https://collection.hortusalkmaar.nl/accession/19870009 | Canadese fijnstraal | Canadese fijnstraal | Yes | a | TNB |
| 20231029 | C-Current | | Accepted | Eriobotrya japonica | (Thunb.) Lindl. |  | https://collection.hortusalkmaar.nl/accession/20231029 | Japanse mispel | Japanse mispel | Cultuur | zzz | |
| 20161031 | C-Current | | Accepted | Eriolarynx australis | (Griseb.) J.M.H.Shaw |  | https://collection.hortusalkmaar.nl/accession/20161031 | Blauwe engelentrompet | Blauwe engelentrompet | Cultuur | | |
| 20160342 | C-Current | | Accepted | Eriolarynx australis | (Griseb.) J.M.H.Shaw |  | https://collection.hortusalkmaar.nl/accession/20160342 | Blauwe engelentrompet | Blauwe engelentrompet | Cultuur | | |
| 20211074 | C-Current | | Accepted | Eriophorum angustifolium | Honck. | | https://collection.hortusalkmaar.nl/accession/20211074 | Veenpluis | Veenpluis | Yes | a | TNB |
| 19990024 | C-Current | | Accepted | Erodium cicutarium subsp. cicutarium | |  | https://collection.hortusalkmaar.nl/accession/19990024 | Gewone reigersbek | Gewone reigersbek | Yes | a | |
| 19890008 | C-Current | | Accepted | Eruca vesicaria | (L.) Cav. |  | https://collection.hortusalkmaar.nl/accession/19890008 | Zwaardherik | Zwaardherik | Established | z | |
| 19890009 | C-Current | | Accepted | Eryngium agavifolium | Griseb. |  | https://collection.hortusalkmaar.nl/accession/19890009 | Agavebladige kruisdistel | Agavebladige kruisdistel | Cultuur | | |
| 19970166 | C-Current | | Accepted | Eryngium campestre | L. |  | https://collection.hortusalkmaar.nl/accession/19970166 | Kruisdistel | Kruisdistel | Yes | a | TNB |
| 20241041 | C-Current | | Accepted | Eryngium maritimum | L. |  | https://collection.hortusalkmaar.nl/accession/20241041 | Blauwe zeedistel | Blauwe zeedistel | Yes | zz | KW |
| 20010420 | C-Current | | Accepted | Eryngium maritimum | L. |  | https://collection.hortusalkmaar.nl/accession/20010420 | Blauwe zeedistel | Blauwe zeedistel | Yes | zz | KW |
| 20200254 | C-Current | | Accepted | Eryngium maritimum | L. |  | https://collection.hortusalkmaar.nl/accession/20200254 | Blauwe zeedistel | Blauwe zeedistel | Yes | zz | KW |
| 20010421 | C-Current | | Accepted | Erysimum cheiranthoides | L. |  | https://collection.hortusalkmaar.nl/accession/20010421 | Gewone steenraket | Gewone steenraket | Yes | a | TNB |
| 19990395 | C-Current | | Accepted | Erysimum x cheiri | (L.) Crantz. |  | https://collection.hortusalkmaar.nl/accession/19990395 | Muurbloem | Muurbloem | Yes | zzz | EB |
| 20211045 | C-Current | | Accepted | Erythranthe guttata | (DC.) G.L.Nesom 1813 |  | https://collection.hortusalkmaar.nl/accession/20211045 | Gele maskerbloem | Gele maskerbloem | Yes | z | TNB |
| 20221026 | C-Current | | Hybrid | Erythronium 'Pagoda' | |  | https://collection.hortusalkmaar.nl/accession/20221026 | Hondstand | Adder's tongue, Dog’s tooth violet, Fawn lily, Hondstand, Trout lily | Cultuur | zzz | |
| 19960024 | C-Current | | Accepted | Eschscholzia californica | Cham. |  | https://collection.hortusalkmaar.nl/accession/19960024 | Slaapmutsje | Slaapmutsje | Cultuur | a | |
| 20160270 | C-Current | | Accepted | Eucalyptus forrestiana | Diels | | https://collection.hortusalkmaar.nl/accession/20160270 | Gomboom | Gomboom | No | | |
| 20100153 | Ontzameld | Vernietigd | Accepted | Eucalyptus globulus | Labill. |  | https://collection.hortusalkmaar.nl/accession/20100153 | Blauwe eucalyptus | Blauwe eucalyptus | Cultuur | | |
| 20211024 | C-Current | | Accepted | Eucalyptus neglecta | Maiden 1904 | | https://collection.hortusalkmaar.nl/accession/20211024 | Omeo-kauwgom | Omeo gum, Omeo-kauwgom | Cultuur | | |
| 19950424 | C-Current | | Accepted | Euonymus europaeus | L. |  | https://collection.hortusalkmaar.nl/accession/19950424 | Wilde kardinaalsmuts | Spindle, Wilde kardinaalsmuts | Yes | a | TNB |
| 19840012 | C-Current | | Accepted | Eupatorium cannabinum | L. |  | https://collection.hortusalkmaar.nl/accession/19840012 | Koninginnenkruid | Koninginnenkruid | Yes | a | TNB |
| 19810016 | C-Current | | Accepted | Eupatorium perfoliatum | L. |  | https://collection.hortusalkmaar.nl/accession/19810016 | Doorgroeid leverkruid | Doorgroeid leverkruid | Cultuur | | |
| 20211064 | C-Current | | Accepted | Euphorbia characias subsp. wulfenii | (Hoppe exW.D.J. Koch) Radcl Sm. |  | https://collection.hortusalkmaar.nl/accession/20211064 | Zuiderse wolfsmelk | Zuiderse wolfsmelk | Established | zzz | |
| 20251060 | C-Current | | Accepted | Euphorbia corollata | L. | | https://collection.hortusalkmaar.nl/accession/20251060 | 'Veelbloemige' wolfsmelk | 'Veelbloemige' wolfsmelk | No | | |
| 20060224 | C-Current | | Accepted | Euphorbia cyparissias | L. |  | https://collection.hortusalkmaar.nl/accession/20060224 | Cipreswolfsmelk | Cipreswolfsmelk | Yes | z | TNB |
| 20120316 | C-Current | | Accepted | Euphorbia esula | L. |  | https://collection.hortusalkmaar.nl/accession/20120316 | Heksenmelk | Heksenmelk | Yes | a | TNB |
| 19880019 | C-Current | | Accepted | Euphorbia helioscopia | L. | | https://collection.hortusalkmaar.nl/accession/19880019 | Kroontjeskruid | Kroontjeskruid | Yes | a | TNB |
| 19870013 | C-Current | | Accepted | Euphorbia lathyris | L. |  | https://collection.hortusalkmaar.nl/accession/19870013 | Kruisbladige wolfsmelk | Kruisbladige wolfsmelk | Established | a | TNB |
| 20241087 | C-Current | | Accepted | Euphorbia maculata | L. |  | https://collection.hortusalkmaar.nl/accession/20241087 | Straatwolfsmelk | Straatwolfsmelk | Established | a | |
| 19920417 | C-Current | | Accepted | Euphorbia oblongata | Griseb. |  | https://collection.hortusalkmaar.nl/accession/19920417 | Balkan wolfsmelk | Balkan wolfsmelk | Established | zzz | |
| 19990159 | C-Current | | Accepted | Euphorbia palustris | L. |  | https://collection.hortusalkmaar.nl/accession/19990159 | Moeraswolfsmelk | Moeraswolfsmelk | Yes | zz | KW |
| 20000214 | C-Current | | Accepted | Euphorbia peplus | L. |  | https://collection.hortusalkmaar.nl/accession/20000214 | Tuinwolfsmelk | Tuinwolfsmelk | Yes | a | TNB |
| 20241094 | C-Current | | Accepted | Euphorbia prostrata | Aiton |  | https://collection.hortusalkmaar.nl/accession/20241094 | Geribde wolfsmelk | Geribde wolfsmelk | Established | zz | |
| 19880020 | C-Current | | Accepted | Euphorbia resinifera | O.Berg |  | https://collection.hortusalkmaar.nl/accession/19880020 | Euphorbium | Euphorbium | Cultuur | | |
| 20241088 | C-Current | | Accepted | Euphorbia serpens | Kunth |  | https://collection.hortusalkmaar.nl/accession/20241088 | Gladde wolfsmelk | Gladde wolfsmelk | Established | zz | |
| 20251075 | C-Current | | Accepted | Euphrasia stricta | J.P.Wolff ex J.F.Lehm. 1809 |  | https://collection.hortusalkmaar.nl/accession/20251075 | Stijve ogentroost | Stijve ogentroost | Yes | z | |
| 19990246 | C-Current | | Synonym | Euphrosyne xanthiifolia | (Nutt.) A.Gray |  | https://collection.hortusalkmaar.nl/accession/19990246 | Iva | Iva | No | zzz | |
| 20140221 | C-Current | | Accepted | Eutrochium maculatum | (L.) E.E.Lamont |  | https://collection.hortusalkmaar.nl/accession/20140221 | Gevlekt leverkruid | Gevlekt leverkruid | Cultuur | zz | |
| 19870014 | C-Current | | Accepted | Fagopyrum esculentum | Moench |  | https://collection.hortusalkmaar.nl/accession/19870014 | Boekweit | Boekweit | Cultuur | a | |
| 19880021 | C-Current | | Accepted | Fagus sylvatica | L. |  | https://collection.hortusalkmaar.nl/accession/19880021 | Beuk | Beuk, European Beech | Yes | a | TNB |
| 20211053 | C-Current | | Accepted | Falona echinata | (L) Dumort. |  | https://collection.hortusalkmaar.nl/accession/20211053 | Stekelkamgras | Stekelkamgras | Established | zz | |
| 19970271 | C-Current | | Accepted | Ferula glauca | (L.) Rovy & Camus |  | https://collection.hortusalkmaar.nl/accession/19970271 | Reuzenvenkel | Reuzenvenkel | Cultuur | | |
| 20261140 | C-Current | | Accepted | Festuca filiformis | Pourr. | | https://collection.hortusalkmaar.nl/accession/20261140 | Fijn schapengras | Fijn schapengras | Yes | | |
| 20261139 | C-Current | | Accepted | Festuca myuros | L. | | https://collection.hortusalkmaar.nl/accession/20261139 | Gewoon langbaardgras | Gewoon langbaardgras | Established | zz | |
| 20251094 | C-Current | | Accepted | Festuca rubra | L. | | https://collection.hortusalkmaar.nl/accession/20251094 | Rood zwenkgras | Rood zwenkgras | Yes | | |
| 19930448 | C-Current | | Accepted | Ficus carica | L. |  | https://collection.hortusalkmaar.nl/accession/19930448 | Vijgenboom | Vijgenboom | Cultuur | z | E |
| 19810017 | C-Current | | Accepted | Filipendula ulmaria | (L.) Maxim. |  | https://collection.hortusalkmaar.nl/accession/19810017 | Moerasspiraea | Moerasspiraea | Yes | a | TNB |
| 19900020 | C-Current | | Accepted | Foeniculum vulgare | Mill. | | https://collection.hortusalkmaar.nl/accession/19900020 | Venkel | Venkel | Established | a | |
| 19990306 | C-Current | | Accepted | Fragaria vesca | L. |  | https://collection.hortusalkmaar.nl/accession/19990306 | Bosaardbei | Bosaardbei | Yes | a | GE |
| 20050163 | C-Current | | Accepted | Frangula alnus | Mill. |  | https://collection.hortusalkmaar.nl/accession/20050163 | Sporkehout | Alder Buckthorn, Sporkehout | Yes | a | TNB |
| 19820005 | C-Current | | Accepted | Fraxinus excelsior | L. |  | https://collection.hortusalkmaar.nl/accession/19820005 | Gewone es | Common Ash, Gewone es | Yes | a | TNB |
| 19920440 | C-Current | | Accepted | Fraxinus pennsylvanica | Marshall |  | https://collection.hortusalkmaar.nl/accession/19920440 | Pennsylvaanse es | Pennsylvaanse es | Cultuur | zzz | |
| 20140364 | C-Current | | Accepted | Fritillaria meleagris | L. |  | https://collection.hortusalkmaar.nl/accession/20140364 | Kievitsbloem | Kievitsbloem | Yes | zz | BE |
| 20150246 | C-Current | | Accepted | Fuchsia magellanica | Lam. | | https://collection.hortusalkmaar.nl/accession/20150246 | Boerenfuchsia | Boerenfuchsia | Cultuur | zzz | |
| 19880022 | C-Current | | Accepted | Fumaria officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19880022 | Gewone duivekervel | Gewone duivekervel | Yes | a | TNB |
| 19990403 | C-Current | | Accepted | Galanthus nivalis | L. |  | https://collection.hortusalkmaar.nl/accession/19990403 | Gewoon sneeuwklokje | Gewoon sneeuwklokje | Yes | a | TNB |
| 19840013 | C-Current | | Accepted | Galega officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19840013 | Galega | Galega | Adventitious | zz | |
| 19910285 | C-Current | | Accepted | Galeopsis tetrahit | L. |  | https://collection.hortusalkmaar.nl/accession/19910285 | Gewone hennepnetel | Gewone hennepnetel | Yes | a | TNB |
| 19840014 | C-Current | | Accepted | Galium aparine | L. |  | https://collection.hortusalkmaar.nl/accession/19840014 | Kleefkruid | Kleefkruid | Yes | a | TNB |
| 19990254 | C-Current | | Accepted | Galium mollugo | L. |  | https://collection.hortusalkmaar.nl/accession/19990254 | Glad walstro | Glad walstro | Yes | a | TNB |
| 19840015 | C-Current | | Accepted | Galium odoratum | (L.) Scop. |  | https://collection.hortusalkmaar.nl/accession/19840015 | Lievevrouwebedstro | Lievevrouwebedstro | Yes | a | TNB |
| 20251063 | C-Current | | Accepted | Galium palustre | L. | | https://collection.hortusalkmaar.nl/accession/20251063 | Moeraswalstro | Moeraswalstro | Yes | | |
| 20261135 | C-Current | | Accepted | Galium sylvaticum | L. | | https://collection.hortusalkmaar.nl/accession/20261135 | Boswalstro | Boswalstro | Yes | | |
| 19900080 | C-Current | | Accepted | Galium verum | L. |  | https://collection.hortusalkmaar.nl/accession/19900080 | Geel walstro | Geel walstro | Yes | a | TNB |
| 19900000 | Ontzameld | Botanische tuin Utrecht. | Accepted | Garrya elliptica | (Dougl. ex Lindl.) |  | https://collection.hortusalkmaar.nl/accession/19900000 | Californische katjesstruik | Californische katjesstruik | Cultuur | | |
| 20140211 | C-Current | | Accepted | Gaultheria procumbens | L. | | https://collection.hortusalkmaar.nl/accession/20140211 | Liggende bergthee | Liggende bergthee | Cultuur | zzz | |
| 20201004 | C-Current | | Accepted | Geastrum coronatum | Pers. 1801 |  | https://collection.hortusalkmaar.nl/accession/20201004 | Forse aardster | Forse aardster | Yes | | |
| 20120261 | C-Current | | Accepted | Genista tinctoria | L. |  | https://collection.hortusalkmaar.nl/accession/20120261 | Verfbrem | Verfbrem | Yes | zz | BE |
| 20251056 | C-Current | | Accepted | Gentiana asclepiadea | L. | | https://collection.hortusalkmaar.nl/accession/20251056 | Zijdeplantgentiaan | Zijdeplantgentiaan | Cultuur | | |
| 19890010 | C-Current | | Accepted | Gentiana cruciata | L. |  | https://collection.hortusalkmaar.nl/accession/19890010 | Kruisbladgentiaan | Kruisbladgentiaan | Yes | zzz | GE |
| 20231025 | C-Current | | Accepted | Gentiana pneumonanthe | L. |  | https://collection.hortusalkmaar.nl/accession/20231025 | Klokjesgentiaan | Klokjesgentiaan | Yes | a | GE |
| 20251076 | C-Current | | Accepted | Gentianella amarella | (L.) Börner | | https://collection.hortusalkmaar.nl/accession/20251076 | Slanke gentiaan | Slanke gentiaan | Yes | | |
| 20140421 | C-Current | | Accepted | Geranium lucidum | L. |  | https://collection.hortusalkmaar.nl/accession/20140421 | Glanzige ooievaarsbek | Glanzige ooievaarsbek | Yes | a | TNB |
| 20170386 | C-Current | | Accepted | Geranium macrorrhizum | L. |  | https://collection.hortusalkmaar.nl/accession/20170386 | Rotsooievaarsbek | Rotsooievaarsbek | Cultuur | a | |
| 19980197 | C-Current | | Accepted | Geranium macrostylum | Boiss. |  | https://collection.hortusalkmaar.nl/accession/19980197 | Grootstijlige knolgeranium | Grootstijlige knolgeranium | Cultuur | | |
| 19870017 | C-Current | | Accepted | Geranium maculatum | L. |  | https://collection.hortusalkmaar.nl/accession/19870017 | Gevlekte ooievaarsbek | Gevlekte ooievaarsbek | Cultuur | | |
| 20140422 | C-Current | | Accepted | Geranium molle | L. | | https://collection.hortusalkmaar.nl/accession/20140422 | Zachte ooievaarsbek | Zachte ooievaarsbek | Yes | a | TNB |
| 20080168 | C-Current | | Accepted | Geranium phaeum | L. | | https://collection.hortusalkmaar.nl/accession/20080168 | Donkere ooievaarsbek | Donkere ooievaarsbek | Yes | z | TNB |
| 20191026 | C-Current | | Accepted | Geranium pratense | L. | | https://collection.hortusalkmaar.nl/accession/20191026 | Beemdooievaarsbek | Beemdooievaarsbek | Yes | z | TNB |
| 19840016 | C-Current | | Accepted | Geranium robertianum | L. |  | https://collection.hortusalkmaar.nl/accession/19840016 | Robertskruid | Robertskruid | Yes | a | TNB |
| 19880024 | C-Current | | Accepted | Geranium sanguineum | L. |  | https://collection.hortusalkmaar.nl/accession/19880024 | Bloedooievaarsbek | Bloedooievaarsbek | Cultuur | a | |
| 20211062 | C-Current | | Accepted | Geum macrophyllum | Willd. |  | https://collection.hortusalkmaar.nl/accession/20211062 | Groot nagelkruid | Groot nagelkruid | Established | a | |
| 19880025 | C-Current | | Accepted | Geum rivale | L. |  | https://collection.hortusalkmaar.nl/accession/19880025 | Knikkend nagelkruid | Knikkend nagelkruid | Yes | zzz | KW |
| 19880026 | C-Current | | Accepted | Geum urbanum | L. |  | https://collection.hortusalkmaar.nl/accession/19880026 | Geel nagelkruid | Geel nagelkruid | Yes | a | TNB |
| 20190382 | C-Current | | Accepted | Gillenia trifoliata | (L.) Moench |  | https://collection.hortusalkmaar.nl/accession/20190382 | Driebladige braakwortelspirea | Driebladige braakwortelspirea | Cultuur | | |
| 19870018 | C-Current | | Accepted | Ginkgo biloba | L. |  | https://collection.hortusalkmaar.nl/accession/19870018 | Ginkgo | Ginkgo | Cultuur | zz | |
| 20241055 | C-Current | | Accepted | Glebionis segetum | (L.) Fourr |  | https://collection.hortusalkmaar.nl/accession/20241055 | Gele ganzenbloem | Gele ganzenbloem | Yes | a | TNB |
| 19840017 | C-Current | | Accepted | Glechoma hederacea | L. |  | https://collection.hortusalkmaar.nl/accession/19840017 | Hondsdraf | Hondsdraf | Yes | a | TNB |
| 19920250 | C-Current | | Accepted | Glycine max | (L.) Merr. |  | https://collection.hortusalkmaar.nl/accession/19920250 | Sojaboon | Sojaboon | Cultuur | zzz | |
| 20080138 | C-Current | | Accepted | Glycyrrhiza glabra | L. |  | https://collection.hortusalkmaar.nl/accession/20080138 | Zoethout | Zoethout | Cultuur | | |
| 19920283 | C-Current | | Accepted | Gomphocarpus fruticosus | (L.) R. Br. |  | https://collection.hortusalkmaar.nl/accession/19920283 | Ballonplant | Ballonplant | Cultuur | zzz | |
| 19930362 | C-Current | | Accepted | Gratiola officinalis | L. | | https://collection.hortusalkmaar.nl/accession/19930362 | Genadekruid | Genadekruid | Yes | zzz | BE |
| 19870019 | C-Current | | Accepted | Grindelia hirsutula | Hook & Arn |  | https://collection.hortusalkmaar.nl/accession/19870019 | Gomplant | Gomplant | Cultuur | | |
| 19870020 | C-Current | | Accepted | Gymnocladus dioicus | (L.) K.Koch |  | https://collection.hortusalkmaar.nl/accession/19870020 | Doodsbeenderenboom | Doodsbeenderenboom | Cultuur | | |
| 20221033 | C-Current | | Accepted | Gynostemma pentaphyllum | (Thunb) Makino 1902 |  | https://collection.hortusalkmaar.nl/accession/20221033 | Jiagulang, Kruid der onsterfelijkheid | Jiagulang, Kruid der onsterfelijkheid, Jiaogulan 绞股蓝 | Cultuur | | |
| 20150302 | C-Current | | Accepted | Gynostemma pentaphyllum | (Thunb) Makino 1902 |  | https://collection.hortusalkmaar.nl/accession/20150302 | Jiagulang, Kruid der onsterfelijkheid | Jiagulang, Kruid der onsterfelijkheid, Jiaogulan 绞股蓝 | Cultuur | | |
| 20221021 | C-Current | | Accepted | Gyromitra esculenta | (Pers.) Fr. 1849 |  | https://collection.hortusalkmaar.nl/accession/20221021 | Voorjaarskluifzwam | fausse morille, Frühjahrs-Giftlorchel, Voorjaarskluifzwam | Yes | | |
| 20030130 | C-Current | | Accepted | Hamamelis virginiana | L. |  | https://collection.hortusalkmaar.nl/accession/20030130 | Amerikaanse toverhazelaar | Amerikaanse toverhazelaar | Cultuur | zzz | |
| 19900021 | C-Current | | Accepted | Hedera helix | L. |  | https://collection.hortusalkmaar.nl/accession/19900021 | Klimop | Common ivy, Klimop | Yes | a | TNB |
| 20211086 | C-Current | | Accepted | Hedera hibernica | (G.Kirchn.) Carrière |  | https://collection.hortusalkmaar.nl/accession/20211086 | Atlantische klimop | Atlantische klimop | Established | z | |
| 20140366 | C-Current | | Accepted | Hedychium gardnerianum | Sheppard ex Ker Gawl. |  | https://collection.hortusalkmaar.nl/accession/20140366 | Kahili gember | Kahili gember | Cultuur | | |
| 19920312 | C-Current | | Accepted | Heimia salicifolia | Link |  | https://collection.hortusalkmaar.nl/accession/19920312 | Sinicuichi | Sinicuichi | Cultuur | | |
| 20010197 | C-Current | | Accepted | Helianthus annuus | L. |  | https://collection.hortusalkmaar.nl/accession/20010197 | Zonnebloem | Zonnebloem | Cultuur | a | |
| 19830007 | C-Current | | Accepted | Helianthus tuberosus | L. |  | https://collection.hortusalkmaar.nl/accession/19830007 | Aardpeer | Aardpeer | Cultuur | a | E |
| 20140240 | C-Current | | Accepted | Helichrysum arenarium | (L.) Moench | | https://collection.hortusalkmaar.nl/accession/20140240 | Strobloem | Strobloem | Yes | zzz | GE |
| 20120240 | C-Current | | Accepted | Heliotropium arborescens | L. |  | https://collection.hortusalkmaar.nl/accession/20120240 | Heliotroop | Heliotroop | Cultuur | | |
| 19970219 | C-Current | | Accepted | Heliotropium europaeum | L. |  | https://collection.hortusalkmaar.nl/accession/19970219 | Europese heliotroop | Europese heliotroop | Adventitious | zzz | |
| 19900022 | C-Current | | Accepted | Helleborus foetidus | L. |  | https://collection.hortusalkmaar.nl/accession/19900022 | Stinkend nieskruid | Stinkend nieskruid | Yes | zz | TNB |
| 20010419 | C-Current | | Accepted | Helleborus niger | L. |  | https://collection.hortusalkmaar.nl/accession/20010419 | Kerstroos | Kerstroos | Cultuur | zz | |
| 20120264 | C-Current | | Accepted | Helleborus viridis | L. |  | https://collection.hortusalkmaar.nl/accession/20120264 | Wrangwortel | Wrangwortel | Yes | zzz | BE |
| 20251091 | C-Current | | Accepted | Helminthotheca echioides | (L.) Holub | | https://collection.hortusalkmaar.nl/accession/20251091 | Dubbelkelk | Dubbelkelk | Yes | | |
| 20211994 | C-Current | | Accepted | Helosciadium nodiflorum | (L.) Koch | | https://collection.hortusalkmaar.nl/accession/20211994 | Groot moerasscherm | Groot moerasscherm | Yes | z | TNB |
| 19990404 | C-Current | | Accepted | Heracleum sphondylium subsp. sphondylium | |  | https://collection.hortusalkmaar.nl/accession/19990404 | Gewone berenklauw | Gewone berenklauw | Yes | a | TNB |
| 19870021 | C-Current | | Accepted | Herniaria glabra | L. |  | https://collection.hortusalkmaar.nl/accession/19870021 | Kaal breukkruid | Kaal breukkruid | Yes | a | TNB |
| 20140424 | C-Current | | Accepted | Hesperis matronalis | L. |  | https://collection.hortusalkmaar.nl/accession/20140424 | Damastbloem | Damastbloem | Yes | z | TNB |
| 19990074 | C-Current | | Accepted | Heuchera americana | L. | | https://collection.hortusalkmaar.nl/accession/19990074 | Amerikaans purperklokje | Amerikaans purperklokje | Cultuur | | |
| 20241096 | C-Current | | Accepted | Hibiscus cannabinus | L. | | https://collection.hortusalkmaar.nl/accession/20241096 | Kenaf | Kenaf | Cultuur | | |
| 19910113 | C-Current | | Accepted | Hibiscus sabdariffa | L. |  | https://collection.hortusalkmaar.nl/accession/19910113 | Roselle | Roselle | Cultuur | | |
| 20180303 | C-Current | | Accepted | Hibiscus trionum | L. |  | https://collection.hortusalkmaar.nl/accession/20180303 | Drie-Urenbloem | Drie-Urenbloem | Cultuur | zz | |
| 19980202 | C-Current | | Accepted | Hieracium maculatum | Schrank |  | https://collection.hortusalkmaar.nl/accession/19980202 | Gevlekt havikskruid | Gevlekt havikskruid | Yes | zzz | |
| 20211090 | C-Current | | Accepted | Hieracium sabaudum | L. |  | https://collection.hortusalkmaar.nl/accession/20211090 | Boshavikskruid | Boshavikskruid | Yes | a | TNB |
| 19830008 | C-Current | | Accepted | Hieracium umbellatum | L. |  | https://collection.hortusalkmaar.nl/accession/19830008 | Schermhavikskruid | Schermhavikskruid | Yes | a | TNB |
| 20251067 | C-Current | | Accepted | Hippuris vulgaris | L. | | https://collection.hortusalkmaar.nl/accession/20251067 | Lidsteng | Lidsteng | Yes | a | TNB |
| 20140425 | C-Current | | Accepted | Hordeum murinum | L. | | https://collection.hortusalkmaar.nl/accession/20140425 | Kruipertje | Kruipertje | Yes | a | TNB |
| 20140367 | C-Current | | Accepted | Houttuynia cordata | Thunb. 1784 |  | https://collection.hortusalkmaar.nl/accession/20140367 | Moerasanemoon | Moerasanemoon | Exotic | z | E |
| 19980185 | C-Current | | Accepted | Humulus lupulus | L. |  | https://collection.hortusalkmaar.nl/accession/19980185 | Hop | Hop | Yes | a | TNB |
| 19900023 | C-Current | | Accepted | Hyacinthoides hispanica | (Mill.) Rothm. |  | https://collection.hortusalkmaar.nl/accession/19900023 | Spaanse hyacint | Spaanse hyacint | Cultuur | a | |
| 20100158 | C-Current | | Accepted | Hyacinthoides non-scripta | (L.) Chouard ex Rothm. 1753 |  | https://collection.hortusalkmaar.nl/accession/20100158 | Wilde hyacint | Wilde hyacint | Yes | a | TNB |
| 20241069 | C-Current | | Accepted | Hyacinthoides x massartiana | Geerinck |  | https://collection.hortusalkmaar.nl/accession/20241069 | Basterdhyacint | Basterdhyacint | Established | a | |
| 20241043 | C-Current | | Accepted | Hydrastis canadensis | L. |  | https://collection.hortusalkmaar.nl/accession/20241043 | Canadese geelwortel | Canadese geelwortel | Cultuur | | |
| 20140314 | C-Current | | Accepted | Hydrocharis morsus-ranae | L. |  | https://collection.hortusalkmaar.nl/accession/20140314 | Kikkerbeet | Kikkerbeet | Yes | a | TNB |
| 20221034 | C-Current | | Accepted | Hydrocotyle vulgaris | L. | | https://collection.hortusalkmaar.nl/accession/20221034 | Gewone waternavel | Gewone waternavel | Yes | a | TNB |
| 20020036 | C-Current | | Accepted | Hylotelephium maximum | (L.) Holub |  | https://collection.hortusalkmaar.nl/accession/20020036 | Bleke hemelsleutel | Bleke hemelsleutel | Yes | zz | |
| 20191023 | C-Current | | Accepted | Hyoscyamus albus | L. |  | https://collection.hortusalkmaar.nl/accession/20191023 | Wit bilzenkruid | White henbane, Wit bilzenkruid | Adventitious | zzz | |
| 19830009 | C-Current | | Accepted | Hyoscyamus niger | L. |  | https://collection.hortusalkmaar.nl/accession/19830009 | Bilzekruid | Bilzekruid, Henbane | Yes | zz | BE |
| 19820006 | C-Current | | Accepted | Hypericum perforatum | L. |  | https://collection.hortusalkmaar.nl/accession/19820006 | Sint Janskruid | Sint Janskruid | Yes | a | TNB |
| 19870022 | C-Current | | Accepted | Hypericum pulchrum | L. |  | https://collection.hortusalkmaar.nl/accession/19870022 | Fraai hertshooi | Fraai hertshooi | Yes | zz | BE |
| 19990412 | C-Current | | Accepted | Hypericum tetrapterum | Fr. |  | https://collection.hortusalkmaar.nl/accession/19990412 | Gevleugeld hertshooi | Gevleugeld hertshooi | Yes | a | TNB |
| 20140427 | C-Current | | Accepted | Hypochaeris radicata | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20140427 | Gewoon biggekruid | Gewoon biggekruid | Yes | a | TNB |
| 19950433 | C-Current | | Accepted | Iberis amara | L. |  | https://collection.hortusalkmaar.nl/accession/19950433 | Bittere scheefbloem | Bittere scheefbloem | Yes | zzz | L |
| 20231028 | C-Current | | Accepted | Ibicella lutea | (Lindl.) Van Eselt |  | https://collection.hortusalkmaar.nl/accession/20231028 | Gele eenhoornplant | Gele eenhoornplant | No | | |
| 19990150 | C-Current | | Accepted | Ilex aquifolium | L. |  | https://collection.hortusalkmaar.nl/accession/19990150 | Hulst | English holly, European holly, Hulst | Yes | a | TNB |
| 20251047 | C-Current | | Accepted | Ilex x altaclerensis | (Loudon) Dallim. |  | https://collection.hortusalkmaar.nl/accession/20251047 | Grootbladige hulst | Grootbladige hulst | Established | zz | |
| 20140428 | C-Current | | Accepted | Impatiens parviflora | DC. 1824 | | https://collection.hortusalkmaar.nl/accession/20140428 | Klein springzaad | Klein springzaad | Yes | a | TNB |
| 20140461 | C-Current | | Accepted | Indigofera tinctoria | L. |  | https://collection.hortusalkmaar.nl/accession/20140461 | Indigostruik | Indigostruik | Cultuur | | |
| 19810018 | C-Current | | Accepted | Inula helenium | L. |  | https://collection.hortusalkmaar.nl/accession/19810018 | Griekse alant | Griekse alant | Cultuur | z | |
| 20251088 | C-Current | | Accepted | Inula racemosa | Hook.f. | | https://collection.hortusalkmaar.nl/accession/20251088 | Trosalant | Trosalant | Established | | |
| 20130279 | C-Current | | Accepted | Ipomoea alba | L. |  | https://collection.hortusalkmaar.nl/accession/20130279 | Maanbloem | Maanbloem | Cultuur | | |
| 20130351 | C-Current | | Accepted | Ipomoea alba | L. |  | https://collection.hortusalkmaar.nl/accession/20130351 | Maanbloem | Maanbloem | Cultuur | | |
| 20241046 | C-Current | | Accepted | Ipomoea nil | (L.) Roth |  | https://collection.hortusalkmaar.nl/accession/20241046 | Klimmende winde | Klimmende winde | Cultuur | | |
| 19900031 | C-Current | | Accepted | Ipomoea purpurea | (L.) Roth |  | https://collection.hortusalkmaar.nl/accession/19900031 | Blauwe dagwinde | Blauwe dagwinde | Cultuur | zz | |
| 19950417 | C-Current | | Accepted | Iris florentina | L. |  | https://collection.hortusalkmaar.nl/accession/19950417 | Florentijnse lis | Florentijnse lis | Cultuur | | |
| 19870023 | C-Current | | Accepted | Iris foetidissima | L. |  | https://collection.hortusalkmaar.nl/accession/19870023 | Stinkende lis | Stinkende lis | Established | zz | |
| 20241110 | C-Current | | Accepted | Iris halophila | Pall. |  | https://collection.hortusalkmaar.nl/accession/20241110 | Kwelderlis | Kwelderlis | No | | |
| 19990142 | C-Current | | Accepted | Iris pseudacorus | L. |  | https://collection.hortusalkmaar.nl/accession/19990142 | Gele lis | Gele lis | Yes | a | TNB |
| 19900001 | C-Current | | Accepted | Iris versicolor | L. |  | https://collection.hortusalkmaar.nl/accession/19900001 | Amerikaanse blauwe lis | Amerikaanse blauwe lis | Cultuur | zzz | |
| 20040186 | C-Current | | Accepted | Iris x germanica | L. |  | https://collection.hortusalkmaar.nl/accession/20040186 | Blauwe lis | Blauwe lis | Cultuur | zz | |
| 20140280 | C-Current | | Accepted | Isatis tinctoria | L. |  | https://collection.hortusalkmaar.nl/accession/20140280 | Wede | Wede | Yes | zz | TNB |
| 20241101 | C-Current | | Accepted | Isolepis setacea | (L.) R.Br. |  | https://collection.hortusalkmaar.nl/accession/20241101 | Borstelbies | Borstelbies | Yes | a | TNB |
| 19990379 | C-Current | | Accepted | Jacaranda mimosifolia | D.Don |  | https://collection.hortusalkmaar.nl/accession/19990379 | Blauwe jacaranda | Blauwe jacaranda | No | | |
| 19900037 | C-Current | | Accepted | Jacobaea maritima | (L.) Pelser & Meijden |  | https://collection.hortusalkmaar.nl/accession/19900037 | Zilverkruiskruid | Silver ragwort, Zilverkruiskruid | Cultuur | zz | |
| 19900038 | C-Current | | Accepted | Jacobaea vulgaris subsp. dunensis | (Dumort.) Pelser & Meijden |  | https://collection.hortusalkmaar.nl/accession/19900038 | Duinkruiskruid | Duinkruiskruid | Yes | a | TNB |
| 20211082 | C-Current | | Accepted | Jasione montana | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20211082 | Zandblauwtje | Berg-Sandglöckchen, Blauknopke, Jasione des Montagnes, Sheep’s-bit, Zandblauwtje | Yes | a | TNB |
| 20170397 | C-Current | | Accepted | Juglans | L. | | https://collection.hortusalkmaar.nl/accession/20170397 | Walnoot | Walnoot | | | |
| 19930370 | C-Current | | Accepted | Juglans cinerea | L. |  | https://collection.hortusalkmaar.nl/accession/19930370 | Grijze walnoot | Grijze walnoot | Cultuur | | |
| 20090099 | C-Current | | Accepted | Juglans regia | L. |  | https://collection.hortusalkmaar.nl/accession/20090099 | Gewone walnoot | English walnut, European walnut, Gewone walnoot, Persian walnut | Established | a | E |
| 20211073 | C-Current | | Accepted | Juncus anceps | Laharpe | | https://collection.hortusalkmaar.nl/accession/20211073 | Duinrus | Duinrus | Yes | zz | TNB |
| 20140429 | C-Current | | Accepted | Juncus bufonius | L. | | https://collection.hortusalkmaar.nl/accession/20140429 | Greppelrus | Greppelrus | Yes | a | TNB |
| 20211054 | C-Current | | Accepted | Juncus conglomeratus | L. | | https://collection.hortusalkmaar.nl/accession/20211054 | Biezenknoppen | Biezenknoppen | Yes | a | TNB |
| 19850006 | C-Current | | Accepted | Juncus effusus | L. |  | https://collection.hortusalkmaar.nl/accession/19850006 | Pitrus | Pitrus | Yes | a | TNB |
| 20241049 | C-Current | | Accepted | Juncus filiformis | L. |  | https://collection.hortusalkmaar.nl/accession/20241049 | Draadrus | Draadrus | Yes | zz | TNB |
| 20241070 | C-Current | | Accepted | Juncus gerardii | Loisel. | | https://collection.hortusalkmaar.nl/accession/20241070 | Zilte rus | Zilte rus | Yes | a | TNB |
| 19000252 | C-Current | | Accepted | Juncus ingens | N.A.Wakef |  | https://collection.hortusalkmaar.nl/accession/19000252 | Reuzenrus | Reuzenrus | Adventitious | zzz | |
| 19830010 | C-Current | | Accepted | Juniperus communis | L. |  | https://collection.hortusalkmaar.nl/accession/19830010 | Jeneverbes | Common Juniper, Jeneverbes | Yes | a | GE |
| 19890011 | C-Current | | Accepted | Juniperus sabina | L. |  | https://collection.hortusalkmaar.nl/accession/19890011 | Sabijnse jeneverbes | Sabijnse jeneverbes | Cultuur | | |
| 20261100 | C-Current | | Accepted | Juniperus virginiana | L. | | https://collection.hortusalkmaar.nl/accession/20261100 | Rode ceder | Rode ceder | Established | zzz | |
| 19920415 | C-Current | | Accepted | Justicia adhatoda | L. |  | https://collection.hortusalkmaar.nl/accession/19920415 | Malabarnoot | Malabarnoot | No | | |
| 20130323 | C-Current | | Accepted | Kalanchoe pinnata | (Lam) Pers. |  | https://collection.hortusalkmaar.nl/accession/20130323 | Broedblad | Broedblad | Cultuur | | |
| 19820007 | C-Current | | Accepted | Kalmia latifolia | L. |  | https://collection.hortusalkmaar.nl/accession/19820007 | Breedbladige lepelboom | Breedbladige lepelboom | Cultuur | | |
| 20200290 | C-Current | | Accepted | Kitaibelia vitifolia | Willd. |  | https://collection.hortusalkmaar.nl/accession/20200290 | Wijnblad | Wijnblad | Cultuur | zzz | |
| 20200238 | C-Current | | Accepted | Klasea bulgarica | (Acht. & Stoj.) Holub |  | https://collection.hortusalkmaar.nl/accession/20200238 | 'Bulgaars' zaagblad | 'Bulgaars' zaagblad | Cultuur | | |
| 19810019 | C-Current | | Accepted | Knautia arvensis | (L.) Coult. |  | https://collection.hortusalkmaar.nl/accession/19810019 | Beemdkroon | Beemdkroon | Yes | z | KW |
| 20241066 | C-Current | | Synonym | Koeleria albescens | DC. | | https://collection.hortusalkmaar.nl/accession/20241066 | Duinfakkelgras | Duinfakkelgras | Yes | z | TNB |
| 20180350 | C-Current | | Accepted | Koelreuteria paniculata | Laxm. | | https://collection.hortusalkmaar.nl/accession/20180350 | Gele zeepboom | Gele zeepboom | Exotic | zz | |
| 19950427 | C-Current | | Accepted | Laburnum anagyroides | Medik. |  | https://collection.hortusalkmaar.nl/accession/19950427 | Gouden regen | Gouden regen | Cultuur | a | |
| 20030179 | C-Current | | Accepted | Lactuca sativa | L. |  | https://collection.hortusalkmaar.nl/accession/20030179 | Sla | Sla | Cultuur | zz | |
| 19810020 | C-Current | | Accepted | Lactuca virosa | L. |  | https://collection.hortusalkmaar.nl/accession/19810020 | Gifsla | Gifsla | Yes | zz | TNB |
| 20211995 | C-Current | | Accepted | Lagurus ovatus | L. |  | https://collection.hortusalkmaar.nl/accession/20211995 | Hazenstaart | Hazenstaart | Established | zz | E |
| 19870024 | C-Current | | Accepted | Lamium album | L. |  | https://collection.hortusalkmaar.nl/accession/19870024 | Witte dovenetel | Witte dovenetel | Yes | a | TNB |
| 20241057 | C-Current | | Accepted | Lamium galeobdolon subsp. argentatum | (Smejkal) J.Duvign. |  | https://collection.hortusalkmaar.nl/accession/20241057 | Bonte gele dovenetel | Bonte gele dovenetel | Yes | a | |
| 19900024 | C-Current | | Accepted | Lamium galeobdolon subsp. argentatum | (Smejkal) J.Duvign. |  | https://collection.hortusalkmaar.nl/accession/19900024 | Bonte gele dovenetel | Bonte gele dovenetel | Yes | a | |
| 20241044 | C-Current | | Accepted | Lamium maculatum | L. |  | https://collection.hortusalkmaar.nl/accession/20241044 | Gevlekte dovenetel | Gevlekte dovenetel | Yes | a | TNB |
| 20160350 | C-Current | | Accepted | Lamium maculatum | L. |  | https://collection.hortusalkmaar.nl/accession/20160350 | Gevlekte dovenetel | Gevlekte dovenetel | Yes | a | TNB |
| 20160335 | C-Current | | Accepted | Lamium orvala var. 'Silva' | L. |  | https://collection.hortusalkmaar.nl/accession/20160335 | Grootbloemige dovenetel | Grootbloemige dovenetel | Cultuur | zz | |
| 19850007 | C-Current | | Accepted | Lamium purpureum | L. |  | https://collection.hortusalkmaar.nl/accession/19850007 | Paarse dovenetel | Paarse dovenetel | Yes | a | TNB |
| 20160314 | C-Current | | Accepted | Lantana camara | L. |  | https://collection.hortusalkmaar.nl/accession/20160314 | Wisselbloem | Wisselbloem | Cultuur | | |
| 19870025 | C-Current | | Accepted | Lapsana communis | L. |  | https://collection.hortusalkmaar.nl/accession/19870025 | Akkerkool | Akkerkool | Yes | a | TNB |
| 20080132 | C-Current | | Accepted | Lathraea clandestina | L. |  | https://collection.hortusalkmaar.nl/accession/20080132 | Paarse schubwortel | Paarse schubwortel, Purple toothwort | Yes | zz | |
| 19990362 | C-Current | | Accepted | Lathyrus cicera | L. |  | https://collection.hortusalkmaar.nl/accession/19990362 | Kekerlathyrus | Chickling Vetch, Kekerlathyrus, Red pea | Exotic | | |
| 20201026 | C-Current | | Accepted | Lathyrus latifolius | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20201026 | Brede lathyrus | Brede lathyrus | Established | a | |
| 20241074 | C-Current | | Accepted | Lathyrus odoratus | L. | | https://collection.hortusalkmaar.nl/accession/20241074 | Pronkerwt | Pronkerwt | Cultuur | | |
| 20140312 | C-Current | | Accepted | Lathyrus sativus | L. |  | https://collection.hortusalkmaar.nl/accession/20140312 | Zaailathyrus | Zaailathyrus | Cultuur | | |
| 20180280 | C-Current | | Accepted | Lathyrus vernus | (L.) Bernh. | | https://collection.hortusalkmaar.nl/accession/20180280 | Voorjaarslathyrus | Voorjaarslathyrus | Yes | zzz | |
| 19870026 | C-Current | | Accepted | Laurus nobilis | L. |  | https://collection.hortusalkmaar.nl/accession/19870026 | Laurier | Laurier | Cultuur | | |
| 19810021 | C-Current | | Accepted | Lavandula angustifolia | Mill. |  | https://collection.hortusalkmaar.nl/accession/19810021 | Echte lavendel | Echte lavendel | Cultuur | a | |
| 19870027 | C-Current | | Accepted | Lemna minor | L. |  | https://collection.hortusalkmaar.nl/accession/19870027 | Klein kroos | Klein kroos | Yes | a | TNB |
| 20150214 | C-Current | | Accepted | Leonotis leonurus | (L.) R.Br. |  | https://collection.hortusalkmaar.nl/accession/20150214 | Leeuwenoor | Leeuwenoor | Cultuur | | |
| 20150331 | C-Current | | Accepted | Leontodon hispidus | L. |  | https://collection.hortusalkmaar.nl/accession/20150331 | Ruige leeuwentand | Ruige leeuwentand | Yes | z | KW |
| 19820008 | C-Current | | Accepted | Leonurus cardiaca | L. |  | https://collection.hortusalkmaar.nl/accession/19820008 | Hartgespan | Hartgespan | Yes | z | TNB |
| 20211072 | C-Current | | Accepted | Leonurus japonicus | Houtt. |  | https://collection.hortusalkmaar.nl/accession/20211072 | Japans hartgespan | Japans hartgespan | Cultuur | | |
| 20160243 | C-Current | | Accepted | Lepidium latifolium | L. |  | https://collection.hortusalkmaar.nl/accession/20160243 | Peperkers | Peperkers | Yes | zz | TNB |
| 20201027 | C-Current | | Accepted | Lepidium sativum | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20201027 | Tuinkers | Tuinkers | Adventitious | zz | |
| 19930428 | C-Current | | Accepted | Lespedeza thunbergii | (DC.) Nakai |  | https://collection.hortusalkmaar.nl/accession/19930428 | Struikklaver | Struikklaver | No | | |
| 20150194 | C-Current | | Accepted | Leucaena leucocephala | (Lam.) de Wit |  | https://collection.hortusalkmaar.nl/accession/20150194 | Witte mimosa | Witte mimosa | Cultuur | | |
| 20201003 | C-Current | | Accepted | Leucojum aestivum | L. | | https://collection.hortusalkmaar.nl/accession/20201003 | Zomerklokje | Zomerklokje | Yes | zz | KW |
| 19830011 | C-Current | | Accepted | Levisticum officinale | W.D.J.Koch |  | https://collection.hortusalkmaar.nl/accession/19830011 | Lavas | Lavas | Cultuur | zz | |
| 20211069 | C-Current | | Accepted | Leymus arenarius | (L.) Hochst. |  | https://collection.hortusalkmaar.nl/accession/20211069 | Zandhaver | Zandhaver | Yes | z | TNB |
| 19950021 | C-Current | | Accepted | Liatris spicata | (L.) Willd. |  | https://collection.hortusalkmaar.nl/accession/19950021 | Prachtschaarde | Prachtschaarde | Cultuur | zzz | |
| 20241089 | C-Current | | Accepted | Libanotis pyrenaica subsp. pyrenaica | |  | https://collection.hortusalkmaar.nl/accession/20241089 | Hertswortel | Hertswortel | Adventitious | x | |
| 20190367 | C-Current | | Accepted | Ligusticopsis wallichiana | (DC.) Pimenov & Kljuykov | | https://collection.hortusalkmaar.nl/accession/20190367 | Karwijselie | Karwijselie | Cultuur | | |
| 20211035 | C-Current | | Accepted | Ligustrum japonicum | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20211035 | Japanse liguster | Japanse liguster | Adventitious | | |
| 19990007 | C-Current | | Accepted | Ligustrum vulgare | L. |  | https://collection.hortusalkmaar.nl/accession/19990007 | Wilde liguster | Common Privet, Wilde liguster | Yes | a | TNB |
| 19970326 | C-Current | | Accepted | Lilium candidum | L. |  | https://collection.hortusalkmaar.nl/accession/19970326 | Madonnalelie | Madonnalelie | Cultuur | zzz | |
| 20231030 | C-Current | | Accepted | Lilium hansonii | Leichtlin ex D.D.T. Moore |  | https://collection.hortusalkmaar.nl/accession/20231030 | Hanson's lelie | Hanson's lelie | Cultuur | | |
| 20080162 | C-Current | | Accepted | Lilium lancifolium | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20080162 | Tijgerlelie | Tijgerlelie | Cultuur | | |
| 20140220 | C-Current | | Accepted | Lilium martagon | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20140220 | Turkse lelie | Martagon lily, Turk's cap lily, Turkse lelie | Cultuur | zzz | |
| 20231036 | C-Current | | Accepted | Linaria purpurea | (L.) Mill. |  | https://collection.hortusalkmaar.nl/accession/20231036 | Walstroleeuwenbek | Walstroleeuwenbek | Established | a | |
| 19990355 | C-Current | | Accepted | Linaria vulgaris | Mill. |  | https://collection.hortusalkmaar.nl/accession/19990355 | Vlasbekje | Vlasbekje | Yes | a | TNB |
| 19920419 | C-Current | | Accepted | Lindera benzoin | (L.) Bl. | | https://collection.hortusalkmaar.nl/accession/19920419 | Koortsstruik | Koortsstruik | No | | |
| 19930015 | C-Current | | Accepted | Linum catharticum | L. |  | https://collection.hortusalkmaar.nl/accession/19930015 | Geelhartje | Geelhartje | Yes | z | KW |
| 19870028 | C-Current | | Accepted | Linum usitatissimum | L. |  | https://collection.hortusalkmaar.nl/accession/19870028 | Vlas | Vlas | Established | a | |
| 19880027 | C-Current | | Accepted | Liriodendron tulipifera | L. |  | https://collection.hortusalkmaar.nl/accession/19880027 | Amerikaanse tulpenboom | Amerikaanse tulpenboom | Cultuur | zz | |
| 19850009 | C-Current | | Accepted | Lithospermum officinale | L. |  | https://collection.hortusalkmaar.nl/accession/19850009 | Glad parelzaad | Glad parelzaad | Yes | zz | TNB |
| 20140194 | C-Current | | Accepted | Lobelia cardinalis | L. |  | https://collection.hortusalkmaar.nl/accession/20140194 | Scharlaken lobelia | Scharlaken lobelia | Cultuur | | |
| 19890013 | C-Current | | Accepted | Lobelia erinus | L. |  | https://collection.hortusalkmaar.nl/accession/19890013 | Tuinlobelia | Tuinlobelia | Cultuur | z | |
| 20120243 | C-Current | | Accepted | Lobelia inflata | L. |  | https://collection.hortusalkmaar.nl/accession/20120243 | Blaaslobelia | Blaaslobelia | Cultuur | zzz | |
| 19960175 | C-Current | | Accepted | Lobelia siphilitica | L. |  | https://collection.hortusalkmaar.nl/accession/19960175 | Virginische lobelia | Virginische lobelia | Cultuur | zzz | |
| 20140430 | C-Current | | Accepted | Lobularia maritima | (L.) Desv. |  | https://collection.hortusalkmaar.nl/accession/20140430 | Zilverschildzaad | Zilverschildzaad | Cultuur | a | |
| 19810022 | C-Current | | Accepted | Lonicera caprifolium | L. |  | https://collection.hortusalkmaar.nl/accession/19810022 | Tuinkamperfoelie | Tuinkamperfoelie | Cultuur | zz | |
| 20231034 | C-Current | | Accepted | Lonicera fragrantissima subsp. fragrantissima | |  | https://collection.hortusalkmaar.nl/accession/20231034 | Winterkamperfoelie | Winterkamperfoelie | Cultuur | | |
| 20100222 | C-Current | | Accepted | Lonicera periclymenum | L. |  | https://collection.hortusalkmaar.nl/accession/20100222 | Wilde kamperfoelie | Wilde kamperfoelie | Yes | a | TNB |
| 19870029 | C-Current | | Accepted | Lonicera xylosteum | L. | | https://collection.hortusalkmaar.nl/accession/19870029 | Rode kamperfoelie | Rode kamperfoelie | Yes | zz | TNB |
| 20030255 | C-Current | | Accepted | Lotus corniculatus | L. |  | https://collection.hortusalkmaar.nl/accession/20030255 | Gewone rolklaver | Gewone rolklaver | Yes | a | TNB |
| 20241064 | C-Current | | Accepted | Lotus pedunculatus | Cav. | | https://collection.hortusalkmaar.nl/accession/20241064 | Moerasrolklaver | Moerasrolklaver | Yes | a | TNB |
| 20140271 | C-Current | | Accepted | Luffa aegyptiaca | Mill. |  | https://collection.hortusalkmaar.nl/accession/20140271 | Sponskomkommer | Sponskomkommer | Cultuur | | |
| 20140431 | C-Current | | Accepted | Lunaria annua | L. |  | https://collection.hortusalkmaar.nl/accession/20140431 | Tuinjudaspenning | Tuinjudaspenning | Established | a | E |
| 20241061 | C-Current | | Accepted | Luzula congesta | (Thuill.) Lej. | | https://collection.hortusalkmaar.nl/accession/20241061 | Dichte veldbies | Dichte veldbies | Yes | z | TNB |
| 20261143 | C-Current | | Accepted | Luzula multiflora | (Ehrh.) Lej. | | https://collection.hortusalkmaar.nl/accession/20261143 | Veelbloemige veldbies | Veelbloemige veldbies | Yes | | |
| 19880028 | C-Current | | Accepted | Luzula pilosa | (L.) Willd. | | https://collection.hortusalkmaar.nl/accession/19880028 | Ruige veldbies | Ruige veldbies | Yes | z | TNB |
| 20261096 | C-Current | | Accepted | Luzula sylvatica | (Hudson) Gaudin | | https://collection.hortusalkmaar.nl/accession/20261096 | Grote veldbies | Grote veldbies | Yes | | |
| 19960479 | C-Current | | Accepted | Lycium barbarum | L. |  | https://collection.hortusalkmaar.nl/accession/19960479 | Boksdoorn | Boksdoorn | Yes | zz | TNB |
| 19830012 | C-Current | | Accepted | Lycopus europaeus | L. |  | https://collection.hortusalkmaar.nl/accession/19830012 | Wolfspoot | Wolfspoot | Yes | a | TNB |
| 19810023 | C-Current | | Accepted | Lycopus virginicus | L. |  | https://collection.hortusalkmaar.nl/accession/19810023 | Virginische wolfspoot | Virginische wolfspoot | No | | |
| 19840001 | C-Current | | Accepted | Lysimachia arvensis | (L.) U.Manns & Anderb. |  | https://collection.hortusalkmaar.nl/accession/19840001 | Rood guichelheil | Rood guichelheil | Yes | a | TNB |
| 20221035 | C-Current | | Accepted | Lysimachia ephemerum | L. |  | https://collection.hortusalkmaar.nl/accession/20221035 | Kaarswederik | Kaarswederik | Cultuur | | |
| 19810024 | C-Current | | Accepted | Lysimachia nummularia | L. |  | https://collection.hortusalkmaar.nl/accession/19810024 | Penningkruid | Penningkruid | Yes | a | TNB |
| 20200302 | C-Current | | Accepted | Lysimachia tenella | L. |  | https://collection.hortusalkmaar.nl/accession/20200302 | Teer guichelheil | Teer guichelheil | Yes | zz | TNB |
| 20241075 | C-Current | | Accepted | Lysimachia tenella | L. |  | https://collection.hortusalkmaar.nl/accession/20241075 | Teer guichelheil | Teer guichelheil | Yes | zz | TNB |
| 19830013 | C-Current | | Accepted | Lysimachia vulgaris | L. | | https://collection.hortusalkmaar.nl/accession/19830013 | Grote wederik | Grote wederik | Yes | a | TNB |
| 19960041 | C-Current | | Accepted | Lythrum salicaria | L. |  | https://collection.hortusalkmaar.nl/accession/19960041 | Grote kattenstaart | Grote kattenstaart | Yes | a | TNB |
| 19870030 | C-Current | | Accepted | Magnolia grandiflora | L. |  | https://collection.hortusalkmaar.nl/accession/19870030 | Zuidelijke magnolia | Zuidelijke magnolia | Cultuur | | |
| 20231024 | C-Current | | Accepted | Maianthemum bifolium | (L.) F.W. Schmidt | | https://collection.hortusalkmaar.nl/accession/20231024 | Dalkruid | Dalkruid | Yes | a | TNB |
| 19830014 | C-Current | | Accepted | Malva sylvestris | L. |  | https://collection.hortusalkmaar.nl/accession/19830014 | Groot kaasjeskruid | Crab Apple, Groot kaasjeskruid | Yes | a | TNB |
| 19920232 | C-Current | | Accepted | Mandragora officinarum | L. |  | https://collection.hortusalkmaar.nl/accession/19920232 | Alruin | Alruin | Yes | | |
| 19990405 | Ontzameld | Hortus Overzee. | Accepted | Manihot grahamii | Hook. |  | https://collection.hortusalkmaar.nl/accession/19990405 | 'Overblijvende' cassave | 'Overblijvende' cassave | Cultuur | | |
| 19000289 | C-Current | | Accepted | Marchantia polymorpha | L. | | https://collection.hortusalkmaar.nl/accession/19000289 | Parapluutjesmos | Parapluutjesmos | Yes | | |
| 19830015 | C-Current | | Accepted | Marrubium vulgare | L. |  | https://collection.hortusalkmaar.nl/accession/19830015 | Malrove | Malrove | Yes | zzz | EB |
| 19880029 | C-Current | | Accepted | Matricaria chamomilla | L. |  | https://collection.hortusalkmaar.nl/accession/19880029 | Echte kamille | Echte kamille | Yes | a | TNB |
| 20140432 | C-Current | | Synonym | Matteuccia struthiopteris | (L.) Tod. 1866 |  | https://collection.hortusalkmaar.nl/accession/20140432 | Struisvaren | Struisvaren | Yes | zz | TNB |
| 20200246 | C-Current | | Accepted | Medicago littoralis | Loisel. | | https://collection.hortusalkmaar.nl/accession/20200246 | Strandrupsklaver | Shore medick, Strandrupsklaver | Adventitious | zzz | |
| 19960037 | C-Current | | Accepted | Medicago lupulina | L. |  | https://collection.hortusalkmaar.nl/accession/19960037 | Hopklaver | Hopklaver | Yes | a | TNB |
| 19840019 | C-Current | | Accepted | Medicago sativa | L. |  | https://collection.hortusalkmaar.nl/accession/19840019 | Luzerne | Luzerne | Yes | a | TNB |
| 20170518 | C-Current | | Accepted | Melaleuca citrina | (Curtis) Dum.Cours. | | https://collection.hortusalkmaar.nl/accession/20170518 | Rode lampenpoetser | Bottlebrush, Rode lampenpoetser | Cultuur | | |
| 19990174 | C-Current | | Accepted | Melaleuca hypericifolia | (Salisb.) SM. |  | https://collection.hortusalkmaar.nl/accession/19990174 | Heuvelstruik | Heuvelstruik | No | | |
| 20241091 | C-Current | | Accepted | Melampyrum arvense | L. |  | https://collection.hortusalkmaar.nl/accession/20241091 | Wilde weit | Wilde weit | Yes | zzz | EB |
| 20140372 | C-Current | | Accepted | Melica uniflora | Retz. | | https://collection.hortusalkmaar.nl/accession/20140372 | Eenbloemig parelgras | Eenbloemig parelgras | Yes | zz | TNB |
| 19970011 | C-Current | | Accepted | Melilotus albus | Medik. |  | https://collection.hortusalkmaar.nl/accession/19970011 | Witte honingklaver | Witte honingklaver | Yes | a | TNB |
| 19900144 | C-Current | | Accepted | Melilotus officinalis | (L.) |  | https://collection.hortusalkmaar.nl/accession/19900144 | Citroengele honingklaver | Citroengele honingklaver | Yes | a | TNB |
| 19840020 | C-Current | | Accepted | Melissa officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19840020 | Citroenmelisse | Citroenmelisse | Established | a | E |
| 20020256 | C-Current | | Accepted | Menispermum canadense | L. |  | https://collection.hortusalkmaar.nl/accession/20020256 | Canadees maanzaad | Canadees maanzaad | No | | |
| 20211044 | C-Current | | Accepted | Mentha aquatica | L. |  | https://collection.hortusalkmaar.nl/accession/20211044 | Watermunt | Watermunt | Yes | a | TNB |
| 19890015 | C-Current | | Accepted | Mentha aquatica | L. |  | https://collection.hortusalkmaar.nl/accession/19890015 | Watermunt | Watermunt | Yes | a | TNB |
| 19920052 | C-Current | | Accepted | Mentha arvensis | L. |  | https://collection.hortusalkmaar.nl/accession/19920052 | Akkermunt | Akkermunt | Yes | a | TNB |
| 19970007 | C-Current | | Accepted | Mentha pulegium | L. |  | https://collection.hortusalkmaar.nl/accession/19970007 | Polei | Polei | Yes | zz | KW |
| 19870031 | C-Current | | Accepted | Mentha spicata | L. |  | https://collection.hortusalkmaar.nl/accession/19870031 | Aarmunt | Aarmunt | Established | | |
| 19890016 | C-Current | | Dubious | Mentha spicata var. Crispa | Ridd. |  | https://collection.hortusalkmaar.nl/accession/19890016 | Kruizemunt | Kruizemunt | Cultuur | z | |
| 19870032 | C-Current | | Accepted | Mentha x piperita | L. |  | https://collection.hortusalkmaar.nl/accession/19870032 | Pepermunt | Pepermunt | Yes | z | |
| 19920437 | C-Current | | Accepted | Menyanthes trifoliata | L. |  | https://collection.hortusalkmaar.nl/accession/19920437 | Waterdrieblad | Waterdrieblad | Yes | a | GE |
| 19810025 | C-Current | | Accepted | Mercurialis perennis | L. |  | https://collection.hortusalkmaar.nl/accession/19810025 | Bosbingelkruid | Bosbingelkruid | Yes | zz | TNB |
| 20020281 | C-Current | | Accepted | Mesembryanthemum crystallinum | L. |  | https://collection.hortusalkmaar.nl/accession/20020281 | IJskruid | IJskruid | Cultuur | zzz | |
| 19940337 | C-Current | | Accepted | Meum athamanticum | Jacq. |  | https://collection.hortusalkmaar.nl/accession/19940337 | Bergvenkel | Bergvenkel | Cultuur | | |
| 20191006 | C-Current | | Accepted | Meum athamanticum | Jacq. |  | https://collection.hortusalkmaar.nl/accession/20191006 | Bergvenkel | Bergvenkel | Cultuur | | |
| 20200251 | C-Current | | Accepted | Mibora minima | (L.) Desv. |  | https://collection.hortusalkmaar.nl/accession/20200251 | Dwergras | Dwergras | Yes | zzz | GE |
| 20200253 | C-Current | | Accepted | Milium vernale | M.Bieb. |  | https://collection.hortusalkmaar.nl/accession/20200253 | Kaal gierstgras | Kaal gierstgras | Yes | zz | TNB |
| 19880031 | C-Current | | Accepted | Mirabilis jalapa | L. |  | https://collection.hortusalkmaar.nl/accession/19880031 | Nachtschone | Nachtschone | Cultuur | zz | |
| 20140434 | C-Current | | Accepted | Molinia caerulea | (L.) Moench |  | https://collection.hortusalkmaar.nl/accession/20140434 | Pijpenstrootje | Pijpenstrootje | Yes | a | TNB |
| 19940323 | C-Current | | Accepted | Momordica balsamina | L. |  | https://collection.hortusalkmaar.nl/accession/19940323 | Balsemappel, Balsempeer | Balsemappel, Balsempeer | No | | |
| 20200237 | C-Current | | Accepted | Monarda bradburiana | Beck | | https://collection.hortusalkmaar.nl/accession/20200237 | 'Oostelijke' bergamotplant | 'Oostelijke' bergamotplant, Bradbury's beebalm, Eastern beebalm | Cultuur | | |
| 20130248 | C-Current | | Accepted | Monarda didyma | L. |  | https://collection.hortusalkmaar.nl/accession/20130248 | Gewone bergamotplant | Gewone bergamotplant | Cultuur | zzz | |
| 20080177 | C-Current | | Accepted | Morus alba | L. |  | https://collection.hortusalkmaar.nl/accession/20080177 | Witte moerbei | Witte moerbei | Cultuur | | |
| 20010111 | C-Current | | Accepted | Morus nigra | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20010111 | Zwarte moerbei | Zwarte moerbei | Yes | zzz | |
| 20241048 | C-Current | | Accepted | Muscari armeniacum | H.J.Veitch |  | https://collection.hortusalkmaar.nl/accession/20241048 | Langbladige druifhyacint | Langbladige druifhyacint | Established | a | |
| 19830016 | C-Current | | Accepted | Myosotis arvensis | (L.) Hill. |  | https://collection.hortusalkmaar.nl/accession/19830016 | Akkervergeet-mij-nietje | Akkervergeet-mij-nietje | Yes | a | TNB |
| 19000311 | C-Current | | Accepted | Myosotis scorpioides | L. | | https://collection.hortusalkmaar.nl/accession/19000311 | Moerasvergeet-mij-nietje | Moerasvergeet-mij-nietje | Yes | a | |
| 20211041 | C-Current | | Accepted | Myosotis scorpioides | L. | | https://collection.hortusalkmaar.nl/accession/20211041 | Moerasvergeet-mij-nietje | Moerasvergeet-mij-nietje | Yes | a | |
| 19880032 | C-Current | | Accepted | Myrica gale | L. | | https://collection.hortusalkmaar.nl/accession/19880032 | Wilde gagel | Wilde gagel | Yes | a | GE |
| 20251066 | C-Current | | Accepted | Myriophyllum spicatum | L. | | https://collection.hortusalkmaar.nl/accession/20251066 | Aarvederkruid | Aarvederkruid | Yes | a | TNB |
| 19900027 | C-Current | | Accepted | Myrrhis odorata | (L.) Scop. |  | https://collection.hortusalkmaar.nl/accession/19900027 | Roomse kervel | Roomse kervel | Yes | zz | TNB |
| 19870034 | C-Current | | Accepted | Myrtus communis | L. |  | https://collection.hortusalkmaar.nl/accession/19870034 | Mirte | Mirte | Cultuur | | |
| 20211009 | C-Current | | Accepted | Narcissus poeticus | L. |  | https://collection.hortusalkmaar.nl/accession/20211009 | Witte narcis | Narcisse des poètes, Poet's daffodil, Weiße Narzisse, Witte narcis | Cultuur | z | |
| 19940338 | C-Current | | Accepted | Narcissus pseudonarcissus subsp. pseudonarcissus | |  | https://collection.hortusalkmaar.nl/accession/19940338 | Wilde narcis | Wilde narcis | Yes | z | TNB |
| 20251059 | C-Current | | Accepted | Nasturtium microphyllum | (Boenn.) Rchb. | | https://collection.hortusalkmaar.nl/accession/20251059 | Slanke waterkers | Slanke waterkers | Yes | | |
| 19880043 | C-Current | | Accepted | Nasturtium officinale | R.Br. |  | https://collection.hortusalkmaar.nl/accession/19880043 | Witte waterkers | Witte waterkers | Yes | z | TNB |
| 20251068 | C-Current | | Accepted | Nelumbo nucifera var. caspicum | Gaertn. | | https://collection.hortusalkmaar.nl/accession/20251068 | Lotus | Lotus | Cultuur | | |
| 19830017 | C-Current | | Accepted | Nepeta cataria | L. |  | https://collection.hortusalkmaar.nl/accession/19830017 | Wild kattenkruid | Wild kattenkruid | Yes | zz | KW |
| 19850010 | C-Current | | Accepted | Nerium oleander | L. |  | https://collection.hortusalkmaar.nl/accession/19850010 | Oleander | Oleander | Cultuur | zzz | |
| 20140435 | C-Current | | Accepted | Nicandra physalodes | (L.) Gaertn. |  | https://collection.hortusalkmaar.nl/accession/20140435 | Zegekruid | Zegekruid | Established | a | E |
| 20130215 | C-Current | | Accepted | Nicotiana glauca | Graham |  | https://collection.hortusalkmaar.nl/accession/20130215 | Boomtabak | Boomtabak | No | | |
| 19870035 | C-Current | | Accepted | Nicotiana tabacum | L. |  | https://collection.hortusalkmaar.nl/accession/19870035 | Echte tabak | Echte tabak | Cultuur | zzz | |
| 19830018 | C-Current | | Accepted | Nigella damascena | L. |  | https://collection.hortusalkmaar.nl/accession/19830018 | Juffertje-in-het-groen | Juffertje-in-het-groen | Cultuur | z | |
| 19910145 | C-Current | | Accepted | Nuphar lutea | (L.) J.Sm. |  | https://collection.hortusalkmaar.nl/accession/19910145 | Gele plomp | Gele plomp | Yes | a | TNB |
| 19910146 | C-Current | | Accepted | Nymphaea alba | L. |  | https://collection.hortusalkmaar.nl/accession/19910146 | Witte waterlelie | Witte waterlelie | Yes | a | TNB |
| 19840021 | C-Current | | Accepted | Nymphaea odorata | Aiton |  | https://collection.hortusalkmaar.nl/accession/19840021 | Geurende waterlelie | Geurende waterlelie | No | | |
| 19900028 | C-Current | | Accepted | Ocimum americanum | L. |  | https://collection.hortusalkmaar.nl/accession/19900028 | Citroenbasilicum | Citroenbasilicum | No | | |
| 20030127 | C-Current | | Accepted | Ocimum basilicum | L. |  | https://collection.hortusalkmaar.nl/accession/20030127 | Basilicum | Basilicum | Cultuur | zzz | |
| 20241093 | C-Current | | Synonym | Odontites vernus subsp. serotinus | (Wettst.) Corbiere | | https://collection.hortusalkmaar.nl/accession/20241093 | Rode ogentroost | Rode ogentroost | Yes | a | GE |
| 19890018 | C-Current | | Accepted | Oenanthe crocata | L. |  | https://collection.hortusalkmaar.nl/accession/19890018 | Dodemansvingers | Dodemansvingers | Yes | zzz | GE |
| 20211059 | C-Current | | Accepted | Oenanthe fistulosa | L. | | https://collection.hortusalkmaar.nl/accession/20211059 | Pijptorkruid | Pijptorkruid | Yes | a | TNB |
| 19870036 | C-Current | | Accepted | Oenothera biennis | L. |  | https://collection.hortusalkmaar.nl/accession/19870036 | Middelste teunisbloem | Middelste teunisbloem | Yes | a | TNB |
| 20241081 | C-Current | | Accepted | Oenothera glazioviana | Micheli |  | https://collection.hortusalkmaar.nl/accession/20241081 | Grote teunisbloem | Grote teunisbloem | Established | a | TNB |
| 20261145 | C-Current | | | Oenothera x fallax | Renner | | https://collection.hortusalkmaar.nl/accession/20261145 | Gestreepte teunisbloem | Gestreepte teunisbloem | Yes | | |
| 19870037 | C-Current | | Accepted | Olea europaea | L. |  | https://collection.hortusalkmaar.nl/accession/19870037 | Olijf | Olijf | Cultuur | | |
| 20140374 | C-Current | | Accepted | Onoclea sensibilis | L. |  | https://collection.hortusalkmaar.nl/accession/20140374 | Bolletjesvaren | Bolletjesvaren | Established | zz | |
| 20200260 | C-Current | | Accepted | Ononis spinosa subsp. procurens | (Wallr.) Briq. | | https://collection.hortusalkmaar.nl/accession/20200260 | Kruipend stalkruid | Kruipend stalkruid | Yes | z | TNB |
| 20060154 | C-Current | | Accepted | Ononis spinosa subsp. spinosa | |  | https://collection.hortusalkmaar.nl/accession/20060154 | Kattendoorn | Kattendoorn | Yes | a | GE |
| 19950117 | C-Current | | Accepted | Onopordum acanthium | L. |  | https://collection.hortusalkmaar.nl/accession/19950117 | Wegdistel | Wegdistel | Yes | a | TNB |
| 19930299 | C-Current | | Accepted | Opopanax chironium | (L.) W.D.J.Koch | | https://collection.hortusalkmaar.nl/accession/19930299 | Gomwortel | Gomwortel | Cultuur | | |
| 20191007 | C-Current | | Accepted | Opopanax chironium | (L.) W.D.J.Koch | | https://collection.hortusalkmaar.nl/accession/20191007 | Gomwortel | Gomwortel | Cultuur | | |
| 20070233 | C-Current | | Accepted | Opuntia ficus-indica | (L.) Mill. |  | https://collection.hortusalkmaar.nl/accession/20070233 | Cactusvijg | Cactusvijg | Cultuur | | |
| 19900029 | C-Current | | Accepted | Origanum vulgare | L. |  | https://collection.hortusalkmaar.nl/accession/19900029 | Wilde marjolein | Wilde marjolein | Yes | a | TNB |
| 20211008 | C-Current | | Accepted | Ornithogalum balansae | Boiss. | | https://collection.hortusalkmaar.nl/accession/20211008 | Breedbladige vogelmelk | Breedbladige vogelmelk | Adventitious | zz | |
| 19940001 | C-Current | | Accepted | Ornithogalum divergens | Boreau |  | https://collection.hortusalkmaar.nl/accession/19940001 | Wijde vogelmelk | Wijde vogelmelk | Established | a | TNB |
| 19940024 | C-Current | | Accepted | Ornithogalum pyrenaicum | L. |  | https://collection.hortusalkmaar.nl/accession/19940024 | Bosvogelmelk | Bosvogelmelk | Yes | zzz | |
| 20251057 | C-Current | | Accepted | Orobanche caryophyllacea | Sm. | | https://collection.hortusalkmaar.nl/accession/20251057 | Walstrobremraap | Walstrobremraap | Yes | | |
| 20140465 | C-Current | | Accepted | Orobanche hederae | Duby |  | https://collection.hortusalkmaar.nl/accession/20140465 | Klimopbremraap | Efeu-Sommerwurz, ivy broomrape, Klimmerblêdfretter, Klimopbremraap, orobanca de la hiedra, Orobanche du lierre, succiamele dell'edera | Yes | zz | TNB |
| 20140436 | C-Current | | Accepted | Orobanche hederae | Duby |  | https://collection.hortusalkmaar.nl/accession/20140436 | Klimopbremraap | Efeu-Sommerwurz, ivy broomrape, Klimmerblêdfretter, Klimopbremraap, orobanca de la hiedra, Orobanche du lierre, succiamele dell'edera | Yes | zz | TNB |
| 20190372 | C-Current | | Accepted | Orobanche hederae | Duby |  | https://collection.hortusalkmaar.nl/accession/20190372 | Klimopbremraap | Efeu-Sommerwurz, ivy broomrape, Klimmerblêdfretter, Klimopbremraap, orobanca de la hiedra, Orobanche du lierre, succiamele dell'edera | Yes | zz | TNB |
| 20140437 | C-Current | | Accepted | Orobanche purpurea | Jacq. |  | https://collection.hortusalkmaar.nl/accession/20140437 | Blauwe bremraap | Blauwe bremraap | Yes | zz | KW |
| 19970108 | C-Current | | Accepted | Osmunda regalis | L. |  | https://collection.hortusalkmaar.nl/accession/19970108 | Koningsvaren | Koningsvaren | Yes | a | TNB |
| 19940018 | C-Current | | Accepted | Ostrya virginiana | (Mill.) Willd. |  | https://collection.hortusalkmaar.nl/accession/19940018 | Amerikaanse hopbeuk | Amerikaanse hopbeuk | Cultuur | | |
| 20080127 | C-Current | | Accepted | Oxalis acetosella | L. |  | https://collection.hortusalkmaar.nl/accession/20080127 | Witte klaverzuring | Witte klaverzuring | Yes | a | TNB |
| 20140438 | C-Current | | Accepted | Oxalis corniculata | L. | | https://collection.hortusalkmaar.nl/accession/20140438 | Gehoornde klaverzuring | Gehoornde klaverzuring | Yes | a | TNB |
| 20140439 | C-Current | | Accepted | Oxalis stricta | L. | | https://collection.hortusalkmaar.nl/accession/20140439 | Stijve klaverzuring | Stijve klaverzuring | Yes | a | TNB |
| 19950240 | C-Current | | Accepted | Oxybasis glauca | (L.) S.Fuentes, Uotila & Borsch |  | https://collection.hortusalkmaar.nl/accession/19950240 | Zeegroene ganzenvoet | Zeegroene ganzenvoet | Yes | a | TNB |
| 19920438 | C-Current | | Accepted | Pachysandra terminalis | Sieb. & Zucc. |  | https://collection.hortusalkmaar.nl/accession/19920438 | Dikkemanskruid | Dikkemanskruid | Cultuur | z | |
| 20120244 | C-Current | | Accepted | Packera aurea | (L.) A. & D. Löve |  | https://collection.hortusalkmaar.nl/accession/20120244 | Gulden kruiskruid | Gulden kruiskruid | Cultuur | | |
| 19920239 | C-Current | | Accepted | Paeonia officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19920239 | Boerenpioen | Boerenpioen | Cultuur | | |
| 20150210 | C-Current | | Accepted | Paliurus spina-christi | Mill. |  | https://collection.hortusalkmaar.nl/accession/20150210 | Echte Christusdoorn | Echte Christusdoorn | Cultuur | | |
| 20211038 | C-Current | | Accepted | Pancratium maritimum | L. | | https://collection.hortusalkmaar.nl/accession/20211038 | Strandnarcis | Strandnarcis | Adventitious | zzz | |
| 20190335 | C-Current | | Accepted | Panicum capillare | L. |  | https://collection.hortusalkmaar.nl/accession/20190335 | Draadgierst | Draadgierst | Established | a | E |
| 20251070 | C-Current | | Accepted | Papaver atlanticum | (Ball) Coss. | | https://collection.hortusalkmaar.nl/accession/20251070 | Donzige klaproos | Donzige klaproos | Established | | |
| 20140371 | C-Current | | Accepted | Papaver cambricum | L. |  | https://collection.hortusalkmaar.nl/accession/20140371 | Schijnpapaver | Schijnpapaver | Established | a | E |
| 20241053 | C-Current | | Accepted | Papaver cambricum | L. |  | https://collection.hortusalkmaar.nl/accession/20241053 | Schijnpapaver | Schijnpapaver | Established | a | E |
| 20140304 | C-Current | | Accepted | Papaver dubium | L. |  | https://collection.hortusalkmaar.nl/accession/20140304 | Bleke klaproos | Bleke klaproos | Yes | a | TNB |
| 19890019 | C-Current | | Accepted | Papaver rhoeas | L. |  | https://collection.hortusalkmaar.nl/accession/19890019 | Grote klaproos | Grote klaproos | Yes | a | TNB |
| 19900030 | C-Current | | Accepted | Papaver somniferum | L. |  | https://collection.hortusalkmaar.nl/accession/19900030 | Slaapbol | Slaapbol | Yes | a | |
| 20241078 | C-Current | | Accepted | Parentucellia latifolia | (L.) Caruel |  | https://collection.hortusalkmaar.nl/accession/20241078 | Kleine ogentroost | Kleine ogentroost | Established | | |
| 20241092 | C-Current | | Accepted | Parentucellia viscosa | (L.) Caruel |  | https://collection.hortusalkmaar.nl/accession/20241092 | Kleverige ogentroost | Kleverige ogentroost | Yes | z | TNB |
| 19850011 | C-Current | | Accepted | Parietaria officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19850011 | Groot glaskruid | Groot glaskruid | Yes | zz | TNB |
| 19910291 | C-Current | | Accepted | Paris quadrifolia | L. |  | https://collection.hortusalkmaar.nl/accession/19910291 | Eenbes | Eenbes | Yes | zz | TNB |
| 19890020 | C-Current | | Accepted | Parnassia palustris | L. |  | https://collection.hortusalkmaar.nl/accession/19890020 | Parnassia | Parnassia | Yes | z | KW |
| 20190375 | C-Current | | Accepted | Paronychia kapela subsp. serpyllifolia | (Chaix) Graebn. |  | https://collection.hortusalkmaar.nl/accession/20190375 | Zilverbloem | Zilverbloem | Cultuur | | |
| 20190359 | C-Current | | Accepted | Parthenium integrifolium | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20190359 | Wilde kinine | Wilde kinine | Cultuur | | |
| 19810026 | C-Current | | Accepted | Passiflora incarnata | L. |  | https://collection.hortusalkmaar.nl/accession/19810026 | Wilde passiebloem | Wilde passiebloem | Cultuur | | |
| 19880034 | C-Current | | Accepted | Pastinaca sativa | L. |  | https://collection.hortusalkmaar.nl/accession/19880034 | Pastinaak | Pastinaak | Yes | a | |
| 20190360 | C-Current | | Accepted | Patrinia monandra | C.B.Clarke |  | https://collection.hortusalkmaar.nl/accession/20190360 | 'Bleekgele' goudvaleriaan | 'Bleekgele' goudvaleriaan | Cultuur | | |
| 20180263 | C-Current | | Accepted | Patrinia scabiosifolia | Fisch. ex Trevir | | https://collection.hortusalkmaar.nl/accession/20180263 | Goudvaleriaan | Goudvaleriaan | Cultuur | | |
| 20171027 | C-Current | | Accepted | Pedicularis palustris | L. |  | https://collection.hortusalkmaar.nl/accession/20171027 | Moeraskartelblad | Moeraskartelblad | Yes | z | KW |
| 20190374 | C-Current | | Accepted | Pelargonium endlicherianum | Fenzl |  | https://collection.hortusalkmaar.nl/accession/20190374 | Turkse geranium | Turkse geranium | Cultuur | | |
| 19890021 | C-Current | | Accepted | Pelargonium graveolens | (Thunb) L'Hér. |  | https://collection.hortusalkmaar.nl/accession/19890021 | Rozenpelargonium | Rozenpelargonium | Cultuur | | |
| 19920407 | C-Current | | Accepted | Pelargonium sidoides | DC. |  | https://collection.hortusalkmaar.nl/accession/19920407 | Kaapse geranium | Kaapse geranium | Cultuur | | |
| 20241073 | C-Current | | Accepted | Pentaglottis sempervirens | (L.) Tausch ex L.H.Bailey | | https://collection.hortusalkmaar.nl/accession/20241073 | Overblijvende ossentong | Overblijvende ossentong | Established | a | E |
| 19880035 | C-Current | | Accepted | Penthorum sedoides | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/19880035 | 'Ditch stonecrop' | 'Ditch stonecrop', Ditch stonecrop | No | | |
| 20231033 | C-Current | | Accepted | Perilla frutescens | (L.) Britton |  | https://collection.hortusalkmaar.nl/accession/20231033 | Japanse munt, Shiso | Japanse munt, Shiso | Cultuur | zzz | |
| 20261144 | C-Current | | Accepted | Persicaria amphibia | (L.) Delarbre | | https://collection.hortusalkmaar.nl/accession/20261144 | Veenwortel | Veenwortel | Yes | a | TNB |
| 20100217 | C-Current | | Accepted | Persicaria maculosa | Gray | | https://collection.hortusalkmaar.nl/accession/20100217 | Perzikkruid | Perzikkruid | Yes | a | TNB |
| 20000039 | C-Current | | Accepted | Petasites hybridus | (L.) Ph Gaertn. B. Mey & Scherb. |  | https://collection.hortusalkmaar.nl/accession/20000039 | Groot hoefblad | Groot hoefblad | Yes | a | TNB |
| 19960468 | C-Current | | Accepted | Petasites pyrenaicus | (Loefl.) G.López |  | https://collection.hortusalkmaar.nl/accession/19960468 | Winterheliotroop | Winterheliotroop | Cultuur | zz | |
| 19990356 | C-Current | | Synonym | Petroselinum crispum var. neapolitanum | Danert 1959 | | https://collection.hortusalkmaar.nl/accession/19990356 | Platte peterselie | Platte peterselie | Cultuur | | |
| 20090153 | C-Current | | Accepted | Petroselinum crispum subsp. crispum | |  | https://collection.hortusalkmaar.nl/accession/20090153 | Krulpeterselie | Krulpeterselie | Cultuur | | |
| 20190380 | C-Current | | Accepted | Phaenosperma globosum | Munro ex Benth. |  | https://collection.hortusalkmaar.nl/accession/20190380 | Fontein-gierst | Fontein-gierst | Cultuur | | |
| 19000344 | C-Current | | Accepted | Phallus impudicus | Pers. | | https://collection.hortusalkmaar.nl/accession/19000344 | Grote stinkzwam | Grote stinkzwam | Yes | | |
| 19940324 | C-Current | | Accepted | Phaseolus coccineus | L. |  | https://collection.hortusalkmaar.nl/accession/19940324 | Stokpronkboon | Stokpronkboon | Cultuur | zzz | |
| 19970144 | C-Current | | Accepted | Phaseolus vulgaris subsp. vulgaris var. vulgaris | |  | https://collection.hortusalkmaar.nl/accession/19970144 | Boon | Boon | Cultuur | | |
| 19000345 | C-Current | | Accepted | Phedimus ellacombeanus | (Praeger) 't Hart |  | https://collection.hortusalkmaar.nl/accession/19000345 | Kruipend vetkruid | Kruipend vetkruid | Established | zz | |
| 19880036 | C-Current | | Accepted | Philadelphus coronarius | L. |  | https://collection.hortusalkmaar.nl/accession/19880036 | Welriekende boerenjasmijn | Welriekende boerenjasmijn | Cultuur | zz | |
| 20241059 | C-Current | | Accepted | Phleum arenarium | L. | | https://collection.hortusalkmaar.nl/accession/20241059 | Zanddoddegras | Zanddoddegras | Yes | z | TNB |
| 20030143 | C-Current | | Accepted | Phleum pratense | L. | | https://collection.hortusalkmaar.nl/accession/20030143 | Gewoon timoteegras | Gewoon timoteegras | Yes | a | TNB |
| 20160998 | C-Current | | Accepted | Phlomis purpurea | L. |  | https://collection.hortusalkmaar.nl/accession/20160998 | Paars brandkruid | Paars brandkruid | Cultuur | | |
| 20221030 | C-Current | | Accepted | Phlomis tuberosa | L. | | https://collection.hortusalkmaar.nl/accession/20221030 | Knolbrandkruid | Knolbrandkruid | Cultuur | | |
| 20160213 | C-Current | | Accepted | Phormium tenax | J.R.Forst & G.Forst. |  | https://collection.hortusalkmaar.nl/accession/20160213 | Nieuw-Zeelands vlas | Nieuw-Zeelands vlas | Cultuur | | |
| 20140440 | C-Current | | Accepted | Phragmites australis | (Cav.) Trin. ex Steud. | | https://collection.hortusalkmaar.nl/accession/20140440 | Riet | Riet | Yes | a | TNB |
| 20200244 | C-Current | | Accepted | Phyla nodiflora | (L.) Greene | | https://collection.hortusalkmaar.nl/accession/20200244 | Kruipende verbena | Kruipende verbena | Cultuur | zzz | |
| 19900032 | C-Current | | Accepted | Phytolacca acinosa | Roxb. |  | https://collection.hortusalkmaar.nl/accession/19900032 | Oosterse karmozijnbes | Oosterse karmozijnbes | Exotic | a | E |
| 19930047 | C-Current | | Accepted | Phytolacca americana | L. |  | https://collection.hortusalkmaar.nl/accession/19930047 | Westerse karmozijnbes | Pokeweed, Westerse karmozijnbes | Established | z | E |
| 20200259 | C-Current | | Accepted | Picris hieracioides | L. 1753 | | https://collection.hortusalkmaar.nl/accession/20200259 | Echt bitterkruid | Echt bitterkruid | Yes | a | TNB |
| 20241112 | C-Current | | Accepted | Pilosella aurantiaca | (L.) F.W. Schultz & Sch. Bip. |  | https://collection.hortusalkmaar.nl/accession/20241112 | Oranje havikskruid | Oranje havikskruid | Established | a | TNB |
| 19850005 | C-Current | | Accepted | Pilosella officinarum | Vaill. |  | https://collection.hortusalkmaar.nl/accession/19850005 | Muizenoor | Muizenoor | Yes | a | TNB |
| 19970334 | C-Current | | Accepted | Pimpinella major | L. |  | https://collection.hortusalkmaar.nl/accession/19970334 | Grote bevernel | Grote bevernel | Yes | z | TNB |
| 20120318 | C-Current | | Accepted | Pimpinella saxifraga | L. |  | https://collection.hortusalkmaar.nl/accession/20120318 | Kleine bevernel | Kleine bevernel | Yes | z | KW |
| 20251072 | C-Current | | Accepted | Pimpinella saxifraga | L. |  | https://collection.hortusalkmaar.nl/accession/20251072 | Kleine bevernel | Kleine bevernel | Yes | z | KW |
| 20060001 | C-Current | | Accepted | Pinus mugo | Turra 1764 |  | https://collection.hortusalkmaar.nl/accession/20060001 | Bergden | Bergden | Cultuur | zz | |
| 19880037 | C-Current | | Accepted | Pinus sylvestris | L. |  | https://collection.hortusalkmaar.nl/accession/19880037 | Grove den | Grove den, Scots fir, Scots pine | Yes | a | TNB |
| 20170192 | C-Current | | Accepted | Pistacia lentiscus | L. | | https://collection.hortusalkmaar.nl/accession/20170192 | Mastiekboom | Mastiekboom | Cultuur | | |
| 19910031 | C-Current | | Accepted | Plantago indica | L. |  | https://collection.hortusalkmaar.nl/accession/19910031 | Zandweegbree | Zandweegbree | Exotic | zz | E |
| 19840023 | C-Current | | Accepted | Plantago lanceolata | L. | | https://collection.hortusalkmaar.nl/accession/19840023 | Smalle weegbree | Smalle weegbree | Yes | a | TNB |
| 19870038 | C-Current | | Accepted | Plantago major | L. |  | https://collection.hortusalkmaar.nl/accession/19870038 | Grote weegbree | Grote weegbree | Yes | a | |
| 20140244 | C-Current | | Accepted | Plantago media | L. | | https://collection.hortusalkmaar.nl/accession/20140244 | Ruige weegbree | Ruige weegbree | Yes | z | KW |
| 20190357 | C-Current | | Accepted | Plantago sempervirens | Crantz |  | https://collection.hortusalkmaar.nl/accession/20190357 | Struikweegbree | Struikweegbree | No | | |
| 19810028 | C-Current | | Hybrid | Platanus x hispanica | Mill. ex Münchh. |  | https://collection.hortusalkmaar.nl/accession/19810028 | Esdoornbladige plataan | Esdoornbladige plataan | Yes | a | |
| 19910290 | C-Current | | Accepted | Plectranthus fruticosus | L'Hér. |  | https://collection.hortusalkmaar.nl/accession/19910290 | Reumatiekplantje | Reumatiekplantje | Cultuur | | |
| 20261109 | C-Current | | Accepted | Plumbago zeylanica | L. |  | https://collection.hortusalkmaar.nl/accession/20261109 | Wilde plumbago | Wilde plumbago | No | | |
| 20140441 | C-Current | | Accepted | Poa annua | L. | | https://collection.hortusalkmaar.nl/accession/20140441 | Straatgras | Straatgras | Yes | a | TNB |
| 20140442 | C-Current | | Accepted | Podophyllum hexandrum | Royle |  | https://collection.hortusalkmaar.nl/accession/20140442 | Voetblad | Himalayan May Apple, Voetblad | Cultuur | | |
| 19930338 | C-Current | | Accepted | Podophyllum peltatum | L. |  | https://collection.hortusalkmaar.nl/accession/19930338 | Voetblad | Voetblad | Cultuur | | |
| 20140443 | C-Current | | Accepted | Polemonium caeruleum | L. |  | https://collection.hortusalkmaar.nl/accession/20140443 | Jacobsladder | Jacobsladder | Cultuur | zz | |
| 19990155 | C-Current | | Accepted | Polygonatum multiflorum | (L.) All. |  | https://collection.hortusalkmaar.nl/accession/19990155 | Gewone salomonszegel | Gewone salomonszegel | Yes | a | TNB |
| 20160280 | C-Current | | Accepted | Polygonatum odoratum | L. |  | https://collection.hortusalkmaar.nl/accession/20160280 | Welriekende salomonszegel | Welriekende salomonszegel | Yes | zz | TNB |
| 19880038 | C-Current | | Accepted | Polygonum aviculare | L. |  | https://collection.hortusalkmaar.nl/accession/19880038 | Gewoon varkensgras | Gewoon varkensgras | Yes | a | TNB |
| 20190355 | C-Current | | Accepted | Polypodium interjectum | Shivas. |  | https://collection.hortusalkmaar.nl/accession/20190355 | Brede eikvaren | Brede eikvaren | Yes | zz | TNB |
| 20030253 | C-Current | | Accepted | Polypodium vulgare | L. |  | https://collection.hortusalkmaar.nl/accession/20030253 | Gewone eikvaren | Gewone eikvaren | Yes | a | TNB |
| 20261112 | C-Current | | Accepted | Polypodium x mantoniae 'Cornubiense' | | | https://collection.hortusalkmaar.nl/accession/20261112 | Basterdeikvaren | Basterdeikvaren | Yes | | |
| 20251062 | C-Current | | Accepted | Polypogon maritimus | Willd. | | https://collection.hortusalkmaar.nl/accession/20251062 | Ruw baardgras | Ruw baardgras | Adventitious | | |
| 20261098 | C-Current | | Accepted | Polystichum aculeatum | (L.) Roth | | https://collection.hortusalkmaar.nl/accession/20261098 | Stijve naaldvaren | Stijve naaldvaren | Yes | | |
| 20261116 | C-Current | | Accepted | Polystichum luctuosum | (Kunze) T.Moore | | https://collection.hortusalkmaar.nl/accession/20261116 | Smalle naaldvaren | Smalle naaldvaren | Established | | |
| 20261113 | C-Current | | Accepted | Polystichum makinoi | (Tagawa) Tagawa | | https://collection.hortusalkmaar.nl/accession/20261113 | Makino's naaldvaren | Makino's naaldvaren | Adventitious | | |
| 20190373 | C-Current | | Accepted | Polystichum munitum | (Kaulf) Presl. |  | https://collection.hortusalkmaar.nl/accession/20190373 | Zwaardvaren | Zwaardvaren | Exotic | zzz | |
| 20261110 | C-Current | | Accepted | Polystichum neolobatum | Nakai | | https://collection.hortusalkmaar.nl/accession/20261110 | Gelakte naaldvaren | Gelakte naaldvaren | Cultuur | | |
| 20261101 | C-Current | | Accepted | Polystichum polyblepharum | (Roem. Ex Kunze) C. Presl | | https://collection.hortusalkmaar.nl/accession/20261101 | Glansschildvaren | Glansschildvaren | Established | | |
| 20261114 | C-Current | | Accepted | Polystichum rigens | Tagawa | | https://collection.hortusalkmaar.nl/accession/20261114 | Rigens naaldvaren | Rigens naaldvaren | Cultuur | | |
| 20261097 | C-Current | | Accepted | Polystichum setiferum | (Forssk.) Moore ex Woyn. | | https://collection.hortusalkmaar.nl/accession/20261097 | Zachte naaldvaren | Zachte naaldvaren | Yes | | |
| 20261119 | C-Current | | Accepted | Polystichum setiferum 'Proliferum' | | | https://collection.hortusalkmaar.nl/accession/20261119 | Zachte naaldvaren | Zachte naaldvaren | Yes | | |
| 20261118 | C-Current | | Accepted | Polystichum setiferum 'Plumosomultilobum' | | | https://collection.hortusalkmaar.nl/accession/20261118 | Zachte naaldvaren | Zachte naaldvaren | Yes | | |
| 20140377 | C-Current | | Accepted | Polystichum setiferum 'Plumosum Bevis' | (Forssk.) Moore ex Woyn. |  | https://collection.hortusalkmaar.nl/accession/20140377 | Zachte naaldvaren | Zachte naaldvaren | Yes | zz | TNB |
| 20261134 | C-Current | | Accepted | Polystichum x bicknellii | Hayne | | https://collection.hortusalkmaar.nl/accession/20261134 | Basterdnaaldvaren | Basterdnaaldvaren | Yes | | |
| 19000374 | C-Current | | Accepted | Polytrichum commune | Hedw. 1801 | | https://collection.hortusalkmaar.nl/accession/19000374 | Gewoon haarmos | Gewoon haarmos | Yes | | |
| 20050162 | C-Current | | Accepted | Populus nigra | L. |  | https://collection.hortusalkmaar.nl/accession/20050162 | Zwarte populier | Black Poplar, Zwarte populier | Yes | a | TNB |
| 19810029 | C-Current | | Accepted | Populus tremuloides | Michx. |  | https://collection.hortusalkmaar.nl/accession/19810029 | Canadese ratelpopulier | Canadese ratelpopulier | No | | |
| 19940221 | C-Current | | Accepted | Portulaca oleracea | L. |  | https://collection.hortusalkmaar.nl/accession/19940221 | Postelein | Postelein | Yes | a | TNB |
| 20140316 | C-Current | | Accepted | Potamogeton lucens | L. | | https://collection.hortusalkmaar.nl/accession/20140316 | Glanzig fonteinkruid | Glanzig fonteinkruid | Yes | a | TNB |
| 20211057 | C-Current | | Accepted | Potamogeton natans | L. |  | https://collection.hortusalkmaar.nl/accession/20211057 | Drijvend fonteinkruid | Drijvend fonteinkruid | Yes | a | TNB |
| 20251092 | C-Current | | Accepted | Potentilla argentea | L. | | https://collection.hortusalkmaar.nl/accession/20251092 | Viltganzerik | Viltganzerik | Yes | | |
| 19930036 | C-Current | | Accepted | Potentilla erecta | (L.) Raeusch. |  | https://collection.hortusalkmaar.nl/accession/19930036 | Tormentil | Tormentil | Yes | a | TNB |
| 20140444 | C-Current | | Accepted | Potentilla indica | (Andrews) Th.Wolf | | https://collection.hortusalkmaar.nl/accession/20140444 | Schijnaardbei | Schijnaardbei | Exotic | a | E |
| 20251093 | C-Current | | Accepted | Potentilla norvegica | L. | | https://collection.hortusalkmaar.nl/accession/20251093 | Noorse ganzerik | Noorse ganzerik | Established | | |
| 20241079 | C-Current | | Accepted | Potentilla recta subsp. recta | |  | https://collection.hortusalkmaar.nl/accession/20241079 | Rechte ganzerik | Rechte ganzerik | Established | z | TNB |
| 19980173 | C-Current | | Accepted | Potentilla reptans | L. |  | https://collection.hortusalkmaar.nl/accession/19980173 | Vijfvingerkruid | Vijfvingerkruid | Yes | a | TNB |
| 20251087 | C-Current | | Accepted | Potentilla x intermedia | L. | | https://collection.hortusalkmaar.nl/accession/20251087 | Middelste ganzerik | Middelste ganzerik | Established | z | TNB |
| 19890025 | C-Current | | Synonym | Poterium sanguisorba subsp. balearicum | (Bourg. ex Nyman) Stace |  | https://collection.hortusalkmaar.nl/accession/19890025 | Moespimpernel | Moespimpernel | Exotic | a | E |
| 20261146 | C-Current | | Accepted | Primula elatior | (L.) Hill. |  | https://collection.hortusalkmaar.nl/accession/20261146 | Slanke sleutelbloem | Slanke sleutelbloem | Yes | z | TNB |
| 20130212 | C-Current | | Accepted | Primula farinosa | L. |  | https://collection.hortusalkmaar.nl/accession/20130212 | Meelsleutelbloem | Meelsleutelbloem | Cultuur | | |
| 19840025 | C-Current | | Accepted | Primula veris | L. |  | https://collection.hortusalkmaar.nl/accession/19840025 | Gulden sleutelbloem | Gulden sleutelbloem | Yes | zz | KW |
| 20030257 | C-Current | | Accepted | Prospero autumnale | (L.) Speta |  | https://collection.hortusalkmaar.nl/accession/20030257 | Herfststerhyacint | Herfststerhyacint | Cultuur | | |
| 19870039 | C-Current | | Accepted | Prunella vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19870039 | Gewone brunel | Gewone brunel | Yes | a | TNB |
| 19000379 | C-Current | | Accepted | Prunus amygdalus | Batsch |  | https://collection.hortusalkmaar.nl/accession/19000379 | Amandelboom | Amandelboom | Cultuur | zzz | |
| 20080179 | C-Current | | Accepted | Prunus amygdalus | Batsch |  | https://collection.hortusalkmaar.nl/accession/20080179 | Amandelboom | Amandelboom | Cultuur | zzz | |
| 19950428 | C-Current | | Accepted | Prunus avium | (L.) L. |  | https://collection.hortusalkmaar.nl/accession/19950428 | Zoete kers | Wild Cherry, Zoete kers | Yes | a | TNB |
| 20140347 | C-Current | | Accepted | Prunus cerasifera | Ehrh. |  | https://collection.hortusalkmaar.nl/accession/20140347 | Kerspruim | Cherry Plum, Kerspruim | Established | a | E |
| 19810030 | C-Current | | Accepted | Prunus laurocerasus | L. |  | https://collection.hortusalkmaar.nl/accession/19810030 | Laurierkers | Laurierkers | Cultuur | a | |
| 19870040 | C-Current | | Accepted | Prunus lusitanica | L. |  | https://collection.hortusalkmaar.nl/accession/19870040 | Portugese laurierkers | Portugese laurierkers | Cultuur | zz | |
| 19940430 | C-Current | | Accepted | Prunus padus | L. |  | https://collection.hortusalkmaar.nl/accession/19940430 | Vogelkers | Bird Cherry, Vogelkers | Yes | a | TNB |
| 19990139 | C-Current | | Accepted | Prunus persica | (L.) Batsch |  | https://collection.hortusalkmaar.nl/accession/19990139 | Perzik | Perzik | Cultuur | zz | |
| 20221025 | C-Current | | Accepted | Prunus serotina | Ehrh. |  | https://collection.hortusalkmaar.nl/accession/20221025 | Amerikaanse vogelkers | Amerikaanse vogelkers | Established | a | E |
| 19950434 | C-Current | | Accepted | Prunus spinosa | L. |  | https://collection.hortusalkmaar.nl/accession/19950434 | Sleedoorn | Blackthorn, Sleedoorn | Yes | a | TNB |
| 19930255 | C-Current | | Accepted | Prunus virginiana | L. |  | https://collection.hortusalkmaar.nl/accession/19930255 | Kleine vogelkers | Kleine vogelkers | Established | zzz | |
| 19000381 | C-Current | | Accepted | Pseudognaphalium obtusifolium | (L.) Hilliard & B.L.Burtt |  | https://collection.hortusalkmaar.nl/accession/19000381 | Konijnentabak | Konijnentabak | No | | |
| 20030178 | C-Current | | Accepted | Pseudognaphalium obtusifolium | (L.) Hilliard & B.L.Burtt |  | https://collection.hortusalkmaar.nl/accession/20030178 | Konijnentabak | Konijnentabak | No | | |
| 20221019 | C-Current | | Accepted | Pseudopodospermum hispanicum | (L.) Zaika, Sukhor. & N.Kilian |  | https://collection.hortusalkmaar.nl/accession/20221019 | Grote schorseneer | Grote schorseneer | Yes | zz | |
| 20140445 | C-Current | | Accepted | Pseudosasa japonica | (Steud.) Makino |  | https://collection.hortusalkmaar.nl/accession/20140445 | Japanse bamboe | Japanse bamboe | Adventitious | a | |
| 19980203 | C-Current | | Accepted | Pseudotsuga menziesii | (Mirb.) Franco | | https://collection.hortusalkmaar.nl/accession/19980203 | Douglasspar | Douglasspar | Established | a | E |
| 20190351 | C-Current | | Accepted | Psidium cattleyanum | Sabine |  | https://collection.hortusalkmaar.nl/accession/20190351 | Aardbeiguave | Aardbeiguave | | | |
| 19950040 | C-Current | | Accepted | Ptelea trifoliata | L. |  | https://collection.hortusalkmaar.nl/accession/19950040 | Lederboom | Lederboom | Cultuur | | |
| 19900033 | C-Current | | Accepted | Pteridium aquilinum | (L.) Kuhn. |  | https://collection.hortusalkmaar.nl/accession/19900033 | Adelaarsvaren | Adelaarsvaren | Yes | a | TNB |
| 20190358 | C-Current | | Accepted | Ptilostemon afer | (Jacq.) Greuter |  | https://collection.hortusalkmaar.nl/accession/20190358 | 'Griekse' distel | 'Griekse' distel | Cultuur | | |
| 19970337 | C-Current | | Accepted | Pulicaria dysenterica | (L.) Bernh. |  | https://collection.hortusalkmaar.nl/accession/19970337 | Heelblaadjes | Heelblaadjes | Yes | a | TNB |
| 20060182 | C-Current | | Accepted | Pulmonaria officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/20060182 | Gevlekt longkruid | Gevlekt longkruid | Yes | z | TNB |
| 20080146 | C-Current | | Accepted | Pulsatilla pratensis | (L.) Mill. |  | https://collection.hortusalkmaar.nl/accession/20080146 | Knikkend wildemanskruid | Knikkend wildemanskruid | Cultuur | | |
| 20070232 | C-Current | | Accepted | Pulsatilla pratensis | (L.) Mill. |  | https://collection.hortusalkmaar.nl/accession/20070232 | Knikkend wildemanskruid | Knikkend wildemanskruid | Cultuur | | |
| 19970135 | C-Current | | Accepted | Pulsatilla pratensis | (L.) Mill. |  | https://collection.hortusalkmaar.nl/accession/19970135 | Knikkend wildemanskruid | Knikkend wildemanskruid | Cultuur | | |
| 19890022 | C-Current | | Accepted | Punica granatum | L. |  | https://collection.hortusalkmaar.nl/accession/19890022 | Granaatappel | Granaatappel | Cultuur | | |
| 20211093 | C-Current | | Accepted | Quercus ilex | L. |  | https://collection.hortusalkmaar.nl/accession/20211093 | Steeneik | Holm Oak, Steeneik | Exotic | zzz | |
| 20231031 | C-Current | | Accepted | Quercus petraea | (Matt.) Liebl. 1784 |  | https://collection.hortusalkmaar.nl/accession/20231031 | Wintereik | Wintereik | Yes | a | TNB |
| 19880040 | C-Current | | Accepted | Quercus robur | L. |  | https://collection.hortusalkmaar.nl/accession/19880040 | Zomereik | Common oak, English oak, Pedunculate Oak, Zomereik | Yes | a | TNB |
| 19890023 | C-Current | | Accepted | Ranunculus acris | L. |  | https://collection.hortusalkmaar.nl/accession/19890023 | Scherpe boterbloem | Scherpe boterbloem | Yes | a | TNB |
| 20241060 | C-Current | | Accepted | Ranunculus auricomus | L. | | https://collection.hortusalkmaar.nl/accession/20241060 | Gulden boterbloem | Gulden boterbloem | Yes | z | KW |
| 19870041 | C-Current | | Accepted | Ranunculus bulbosus | L. |  | https://collection.hortusalkmaar.nl/accession/19870041 | Knolboterbloem | Knolboterbloem | Yes | a | TNB |
| 20200307 | C-Current | | Accepted | Ranunculus circinatus | Sibth. | | https://collection.hortusalkmaar.nl/accession/20200307 | Stijve waterranonkel | Stijve waterranonkel | Yes | a | TNB |
| 19890024 | C-Current | | Accepted | Ranunculus ficaria | L. |  | https://collection.hortusalkmaar.nl/accession/19890024 | Speenkruid | Speenkruid | Yes | a | TNB |
| 19980204 | C-Current | | Accepted | Ranunculus flammula | L. |  | https://collection.hortusalkmaar.nl/accession/19980204 | Egelboterbloem | Egelboterbloem | Yes | a | TNB |
| 19880041 | C-Current | | Accepted | Ranunculus repens | L. |  | https://collection.hortusalkmaar.nl/accession/19880041 | Kruipende boterbloem | Kruipende boterbloem | Yes | a | TNB |
| 19990407 | C-Current | | Accepted | Ranunculus sceleratus | L. |  | https://collection.hortusalkmaar.nl/accession/19990407 | Blaartrekkende boterbloem | Blaartrekkende boterbloem | Yes | a | TNB |
| 19000395 | C-Current | | Accepted | Raphanus raphanistrum subsp. raphanistrum | L. | | https://collection.hortusalkmaar.nl/accession/19000395 | Knopherik | Knopherik | Yes | a | TNB |
| 20080118 | C-Current | | Accepted | Raphanus raphanistrum subsp. raphanistrum | | | https://collection.hortusalkmaar.nl/accession/20080118 | Rammenas | Rammenas | Adventitious | a | |
| 20241058 | C-Current | | Accepted | Raphanus raphanistrum subsp. sativus | (L.) Domin |  | https://collection.hortusalkmaar.nl/accession/20241058 | Tuinradijs | Tuinradijs | Cultuur | a | |
| 19840026 | C-Current | | Accepted | Reseda lutea | L. |  | https://collection.hortusalkmaar.nl/accession/19840026 | Wilde reseda | Wilde reseda | Yes | a | TNB |
| 19860003 | C-Current | | Accepted | Reseda luteola | L. |  | https://collection.hortusalkmaar.nl/accession/19860003 | Wouw | Wouw | Yes | a | TNB |
| 19920214 | C-Current | | Accepted | Reynoutria compacta | (Hook.f.) Nakai |  | https://collection.hortusalkmaar.nl/accession/19920214 | Dwerg Japanse duizendknoop | Dwerg Japanse duizendknoop | Exotic | | |
| 19990148 | C-Current | | Accepted | Rhamnus cathartica | L. |  | https://collection.hortusalkmaar.nl/accession/19990148 | Wegedoorn | Purging Buckthorn, Wegedoorn | Yes | a | TNB |
| 20090091 | C-Current | | Accepted | Rheum palmatum | L. |  | https://collection.hortusalkmaar.nl/accession/20090091 | Chinese rabarber | Chinese rabarber | Cultuur | | |
| 19000398 | C-Current | | Synonym | Rhinanthus angustifolius | C.C.Gmel. | | https://collection.hortusalkmaar.nl/accession/19000398 | Grote ratelaar | Grote ratelaar | Yes | a | TNB |
| 20200308 | C-Current | | Accepted | Rhinanthus minor | L. |  | https://collection.hortusalkmaar.nl/accession/20200308 | Kleine ratelaar | Kleine ratelaar, Yelow ratle | Yes | a | GE |
| 20080026 | C-Current | | Accepted | Rhodiola roseum | L. |  | https://collection.hortusalkmaar.nl/accession/20080026 | Rozenwortel | Großer Klappertopf, Narrow-leaved rattle, Rozenwortel | Cultuur | | |
| 19910094 | C-Current | | Accepted | Rhododendron ferrugineum | L. |  | https://collection.hortusalkmaar.nl/accession/19910094 | Roestbladig alpenroosje | Roestbladig alpenroosje | Cultuur | | |
| 19930248 | C-Current | | Accepted | Rhododendron groenlandicum | (Oeder) Kron & Judd |  | https://collection.hortusalkmaar.nl/accession/19930248 | Moeraspalm | Moeraspalm | Cultuur | zzz | |
| 19880042 | C-Current | | Accepted | Rhododendron ponticum | L. |  | https://collection.hortusalkmaar.nl/accession/19880042 | Pontische rododendron | Pontische rododendron | Established | a | E |
| 20080181 | C-Current | | Accepted | Rhus glabra | L. |  | https://collection.hortusalkmaar.nl/accession/20080181 | Gladde azijnboom | Gladde azijnboom | Adventitious | zzz | |
| 19920203 | C-Current | | Accepted | Ribes nigrum | L. |  | https://collection.hortusalkmaar.nl/accession/19920203 | Zwarte bes | Zwarte bes | Yes | a | TNB |
| 19920204 | C-Current | | Accepted | Ribes rubrum | L. |  | https://collection.hortusalkmaar.nl/accession/19920204 | Aalbes | Aalbes | Yes | a | TNB |
| 20120263 | C-Current | | Accepted | Ribes uva-crispa | L. |  | https://collection.hortusalkmaar.nl/accession/20120263 | Kruisbes | Kruisbes | Yes | a | TNB |
| 19990260 | C-Current | | Accepted | Ricinus communis | L. |  | https://collection.hortusalkmaar.nl/accession/19990260 | Wonderboom | Wonderboom | Cultuur | zzz | |
| 19820009 | C-Current | | Accepted | Robinia pseudoacacia | L. |  | https://collection.hortusalkmaar.nl/accession/19820009 | Robinia | Robinia | Established | a | TNB |
| 20241054 | C-Current | | Accepted | Roemeria argemone | (L.) C.Morales, R.Mend. & Romero García |  | https://collection.hortusalkmaar.nl/accession/20241054 | Ruige klaproos | Ruige klaproos | Yes | a | TNB |
| 20140446 | C-Current | | Accepted | Rorippa sylvestris | (L.) Besser | | https://collection.hortusalkmaar.nl/accession/20140446 | Akkerkers | Akkerkers | Yes | a | TNB |
| 20050164 | C-Current | | Accepted | Rosa canina | L. |  | https://collection.hortusalkmaar.nl/accession/20050164 | Hondsroos | Hondsroos | Yes | a | TNB |
| 19970321 | C-Current | | Accepted | Rosa gallica | L. |  | https://collection.hortusalkmaar.nl/accession/19970321 | Franse roos | Franse roos | Cultuur | | |
| 20211087 | C-Current | | Accepted | Rosa multiflora | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20211087 | Veelbloemige roos | Veelbloemige roos | Established | a | E |
| 20211070 | C-Current | | Accepted | Rosa rubinginosa | L. |  | https://collection.hortusalkmaar.nl/accession/20211070 | Egelantier | Egelantier | Yes | zz | TNB |
| 20221024 | C-Current | | Accepted | Rosa rugosa | Thunb. |  | https://collection.hortusalkmaar.nl/accession/20221024 | Rimpelroos | Rimpelroos | Established | a | E |
| 20241065 | C-Current | | Accepted | Rosa spinosissima | L. |  | https://collection.hortusalkmaar.nl/accession/20241065 | Duinroos | Duinroos | Yes | z | TNB |
| 20221018 | C-Current | | Accepted | Rubia peregrina | L. |  | https://collection.hortusalkmaar.nl/accession/20221018 | Vreemde meekrap | Kletten-Krapp, Vreemde meekrap, Wild madder | No | | |
| 19990315 | C-Current | | Accepted | Rubia tinctorum | L. |  | https://collection.hortusalkmaar.nl/accession/19990315 | Meekrap | Meekrap | Extinct | x | VN |
| 19950435 | C-Current | | Accepted | Rubus armeniacus | Focke |  | https://collection.hortusalkmaar.nl/accession/19950435 | Dijkviltbraam | Dijkviltbraam | Yes | a | |
| 19980084 | C-Current | | Accepted | Rubus idaeus | L. |  | https://collection.hortusalkmaar.nl/accession/19980084 | Framboos | Framboos | Yes | a | TNB |
| 20211021 | C-Current | | Accepted | Rubus phoenicolasius | Maxim. 1872 |  | https://collection.hortusalkmaar.nl/accession/20211021 | Japanse wijnbes | Japanese Wineberry, Japanische Weinbeere, Japanse wijnbes | Exotic | a | E |
| 20190361 | C-Current | | Accepted | Rudbeckia deamii | S.F.Blake |  | https://collection.hortusalkmaar.nl/accession/20190361 | Zachte rudbeckia | Zachte rudbeckia | Cultuur | | |
| 19850013 | C-Current | | Accepted | Rumex acetosa | L. |  | https://collection.hortusalkmaar.nl/accession/19850013 | Veldzuring | Veldzuring | Yes | a | TNB |
| 20140447 | C-Current | | Accepted | Rumex acetosella | L. | | https://collection.hortusalkmaar.nl/accession/20140447 | Schapenzuring | Schapenzuring | Yes | a | TNB |
| 20140245 | C-Current | | Accepted | Rumex aquaticus | L. |  | https://collection.hortusalkmaar.nl/accession/20140245 | Paardenzuring | Paardenzuring | Extinct | x | VN |
| 19860004 | C-Current | | Accepted | Rumex crispus | L. |  | https://collection.hortusalkmaar.nl/accession/19860004 | Krulzuring | Krulzuring | Yes | a | TNB |
| 19900034 | C-Current | | Accepted | Rumex obtusifolius | L. |  | https://collection.hortusalkmaar.nl/accession/19900034 | Ridderzuring | Ridderzuring | Yes | a | TNB |
| 19910054 | C-Current | | Accepted | Rumex patientia | L. |  | https://collection.hortusalkmaar.nl/accession/19910054 | Spinaziezuring | Spinaziezuring | Adventitious | zz | |
| 20211993 | C-Current | | Accepted | Rumex sanguineus | L. |  | https://collection.hortusalkmaar.nl/accession/20211993 | Bloedzuring | Bloedzuring | Yes | a | TNB |
| 20020037 | C-Current | | Accepted | Ruscus aculeatus | L. |  | https://collection.hortusalkmaar.nl/accession/20020037 | Stekelige muizendoorn | Stekelige muizendoorn | Cultuur | zzz | |
| 19870044 | C-Current | | Accepted | Ruta graveolens | L. |  | https://collection.hortusalkmaar.nl/accession/19870044 | Wijnruit | Wijnruit | Cultuur | zz | |
| 20241083 | C-Current | | Accepted | Sagina nodosa | (L.) Fenzl |  | https://collection.hortusalkmaar.nl/accession/20241083 | Sierlijke vetmuur | Sierlijke vetmuur | Yes | z | KW |
| 19900035 | C-Current | | Accepted | Salix alba | L. |  | https://collection.hortusalkmaar.nl/accession/19900035 | Schietwilg | Schietwilg, White Willow | Yes | a | TNB |
| 20251058 | C-Current | | Accepted | Salix pentandra | L. | | https://collection.hortusalkmaar.nl/accession/20251058 | Laurierwilg | Laurierwilg | Yes | | |
| 20251085 | C-Current | | Accepted | Salix purpurea | L. |  | https://collection.hortusalkmaar.nl/accession/20251085 | Bittere wilg | Bittere wilg, Purple Willow | Yes | a | TNB |
| 20130277 | C-Current | | Accepted | Salvia canariensis | L. |  | https://collection.hortusalkmaar.nl/accession/20130277 | Canarische salie | Canarische salie | Cultuur | | |
| 20130278 | C-Current | | Accepted | Salvia forskaohlii | L. |  | https://collection.hortusalkmaar.nl/accession/20130278 | 'Balkan' salie | 'Balkan' salie | Cultuur | | |
| 20060151 | C-Current | | Accepted | Salvia officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/20060151 | Echte salie | Echte salie | Adventitious | zz | |
| 20140241 | C-Current | | Accepted | Salvia pratensis | L. |  | https://collection.hortusalkmaar.nl/accession/20140241 | Veldsalie | Veldsalie | Yes | zz | KW |
| 19930421 | C-Current | | Accepted | Salvia rosmarinus | Spenn. |  | https://collection.hortusalkmaar.nl/accession/19930421 | Rozemarijn | Rozemarijn | Cultuur | zz | |
| 19870045 | C-Current | | Accepted | Salvia sclarea | L. |  | https://collection.hortusalkmaar.nl/accession/19870045 | Scharlei | Scharlei | Yes | zzz | |
| 20130255 | C-Current | | Accepted | Salvia verbenaca | L. | | https://collection.hortusalkmaar.nl/accession/20130255 | Kleinbloemige salie | Kleinbloemige salie | Yes | zzz | KW |
| 19810031 | C-Current | | Accepted | Sambucus ebulus | L. |  | https://collection.hortusalkmaar.nl/accession/19810031 | Kruidvlier | Kruidvlier | Yes | zz | KW |
| 19960477 | C-Current | | Accepted | Sambucus nigra | L. |  | https://collection.hortusalkmaar.nl/accession/19960477 | Gewone vlier | Elder, Gewone vlier | Yes | a | TNB |
| 20000093 | C-Current | | Accepted | Sanguinaria canadensis | L. |  | https://collection.hortusalkmaar.nl/accession/20000093 | Bloedwortel | Bloedwortel | Cultuur | | |
| 19870046 | C-Current | | Accepted | Sanguisorba officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19870046 | Grote pimpernel | Grote pimpernel | Yes | z | TNB |
| 20040136 | C-Current | | Accepted | Sanicula europaea | L. |  | https://collection.hortusalkmaar.nl/accession/20040136 | Heelkruid | Heelkruid | Yes | zz | KW |
| 19840027 | C-Current | | Accepted | Saponaria officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19840027 | Zeepkruid | Zeepkruid | Yes | a | TNB |
| 20170280 | C-Current | | Accepted | Sarracenia flava | L. |  | https://collection.hortusalkmaar.nl/accession/20170280 | Gele trompetbekerplant | Gele trompetbekerplant | Cultuur | | |
| 20170293 | C-Current | | Accepted | Sarracenia flava | L. |  | https://collection.hortusalkmaar.nl/accession/20170293 | Gele trompetbekerplant | Gele trompetbekerplant | Cultuur | | |
| 20170294 | C-Current | | Accepted | Sarracenia leucophylla | Raf. 1817 |  | https://collection.hortusalkmaar.nl/accession/20170294 | Witte trompetbekerplant | Witte trompetbekerplant | Cultuur | | |
| 20170292 | C-Current | | Accepted | Sarracenia minor | Walter |  | https://collection.hortusalkmaar.nl/accession/20170292 | Kleine trompetbekerplant | Kleine trompetbekerplant | Cultuur | | |
| 20170283 | C-Current | | Accepted | Sarracenia oreophila | (Kearney) Wherry | | https://collection.hortusalkmaar.nl/accession/20170283 | Groene trompetbekerplant | Groene trompetbekerplant | Cultuur | | |
| 19890026 | C-Current | | Accepted | Sarracenia purpurea | L. |  | https://collection.hortusalkmaar.nl/accession/19890026 | Paarse trompetbekerplant | Paarse trompetbekerplant, Purple pitcher plant | Cultuur | zzz | |
| 19930175 | C-Current | | Accepted | Satureja hortensis | L. |  | https://collection.hortusalkmaar.nl/accession/19930175 | Echt bonenkruid | Echt bonenkruid | Adventitious | zzz | |
| 19840028 | C-Current | | Accepted | Saxifraga granulata | L. |  | https://collection.hortusalkmaar.nl/accession/19840028 | Knolsteenbreek | Knolsteenbreek | Yes | zz | BE |
| 20251073 | C-Current | | Accepted | Scabiosa columbaria | L. | | https://collection.hortusalkmaar.nl/accession/20251073 | Duifkruid | Duifkruid | Yes | zz | BE |
| 19000414 | Ontzameld | Hortus Overzee. | Accepted | Schinus terebinthifolia | Raddi |  | https://collection.hortusalkmaar.nl/accession/19000414 | Roze peper | Roze peper | No | | |
| 20241077 | C-Current | | Accepted | Schoenus nigricans | L. | | https://collection.hortusalkmaar.nl/accession/20241077 | Knopbies | Knopbies | Yes | zz | BE |
| 20261130 | C-Current | | Accepted | Scilla luciliae | (Boiss.) Speta 1753 | | https://collection.hortusalkmaar.nl/accession/20261130 | Middelste sneeuwroem | Middelste sneeuwroem | Cultuur | | |
| 20140379 | C-Current | | Accepted | Scilla siberica | Haw. | | https://collection.hortusalkmaar.nl/accession/20140379 | Oosterse sterhyacint | Oosterse sterhyacint | Yes | z | TNB |
| 20211028 | C-Current | | Accepted | Sclerotinia binucleata | Baral non. prov. |  | https://collection.hortusalkmaar.nl/accession/20211028 | Knolkelkje | Knolkelkje | Yes | | |
| 19900036 | C-Current | | Accepted | Scopolia carniolica | Jacq. |  | https://collection.hortusalkmaar.nl/accession/19900036 | Klokbilzekruid | Klokbilzekruid | Adventitious | zzz | |
| 20100218 | C-Current | | Accepted | Scrophularia auriculata | L. |  | https://collection.hortusalkmaar.nl/accession/20100218 | Geoord helmkruid | Geoord helmkruid | Yes | a | TNB |
| 19840029 | C-Current | | Accepted | Scrophularia nodosa | L. |  | https://collection.hortusalkmaar.nl/accession/19840029 | Knopig helmkruid | Knopig helmkruid | Yes | a | TNB |
| 19950432 | C-Current | | Accepted | Scrophularia vernalis | L. |  | https://collection.hortusalkmaar.nl/accession/19950432 | Voorjaarshelmkruid | Voorjaarshelmkruid | Yes | zz | TNB |
| 20211996 | C-Current | | Accepted | Scutellaria columnae | Allioni |  | https://collection.hortusalkmaar.nl/accession/20211996 | Trosglidkruid | Trosglidkruid | Established | zz | TNB |
| 19930447 | C-Current | | Accepted | Scutellaria galericulata | L. | | https://collection.hortusalkmaar.nl/accession/19930447 | Blauw glidkruid | Blauw glidkruid | Yes | a | TNB |
| 19830019 | C-Current | | Accepted | Scutellaria lateriflora | L. |  | https://collection.hortusalkmaar.nl/accession/19830019 | Amerikaans glidkruid | Amerikaans glidkruid | No | | |
| 20000209 | C-Current | | Accepted | Secale cereale | L. |  | https://collection.hortusalkmaar.nl/accession/20000209 | Rogge | Rogge | Adventitious | a | |
| 19850014 | C-Current | | Accepted | Sedum acre | L. |  | https://collection.hortusalkmaar.nl/accession/19850014 | Muurpeper | Muurpeper | Yes | a | TNB |
| 20130301 | C-Current | | Accepted | Sedum album | L. |  | https://collection.hortusalkmaar.nl/accession/20130301 | Wit vetkruid | Wit vetkruid | Yes | a | TNB |
| 20130350 | C-Current | | Accepted | Sedum rupestre | L. |  | https://collection.hortusalkmaar.nl/accession/20130350 | Tripmadam | Tripmadam | Yes | z | KW |
| 20130322 | C-Current | | Accepted | Sempervivum tectorum | L. |  | https://collection.hortusalkmaar.nl/accession/20130322 | Donderblad | Donderblad | Yes | zz | |
| 20140448 | C-Current | | Accepted | Senecio inaequidens | DC. | | https://collection.hortusalkmaar.nl/accession/20140448 | Bezemkruiskruid | Bezemkruiskruid | Established | a | E |
| 19950376 | C-Current | | Accepted | Senecio ovatus | (G.Gaertn., B.Mey. & Scherb.) Willd. |  | https://collection.hortusalkmaar.nl/accession/19950376 | Schaduwkruiskruid | Schaduwkruiskruid | Yes | zz | TNB |
| 20251089 | C-Current | | Accepted | Senecio sarracenicus | L. | | https://collection.hortusalkmaar.nl/accession/20251089 | Rivierkruiskruid | Rivierkruiskruid | Yes | | |
| 19810032 | C-Current | | Accepted | Senecio vulgaris | L. | | https://collection.hortusalkmaar.nl/accession/19810032 | Klein kruiskruid | Klein kruiskruid | Yes | a | TNB |
| 19940262 | C-Current | | Accepted | Senegalia catechu | (L.f.) P.J.H.Hurter & Mabb. |  | https://collection.hortusalkmaar.nl/accession/19940262 | Kachu | Kachu | Cultuur | | |
| 20160214 | C-Current | | Accepted | Senna corymbosa | (Lam.) H.S.Irwin & Barneby |  | https://collection.hortusalkmaar.nl/accession/20160214 | Argentijnse kaarsenstruik | Argentijnse kaarsenstruik | Cultuur | | |
| 19910069 | C-Current | | Accepted | Sequoiadendron giganteum | (Lindl.) Bucholz. |  | https://collection.hortusalkmaar.nl/accession/19910069 | Mamoetboom | Mamoetboom | Cultuur | zz | |
| 20000031 | Ontzameld | Botanische tuin Utrecht. | Accepted | Serenoa repens | (Bartr.) Small. |  | https://collection.hortusalkmaar.nl/accession/20000031 | Zaagpalm | Zaagpalm | Cultuur | | |
| 20190362 | C-Current | | Accepted | Serratula tinctoria | L. | | https://collection.hortusalkmaar.nl/accession/20190362 | Zaagblad | Zaagblad | Extinct | x | VN |
| 19910238 | C-Current | | Accepted | Sigesbeckia orientalis | L. |  | https://collection.hortusalkmaar.nl/accession/19910238 | Siegesbeckia | common St. Paul's wort, Indian weed, Siegesbeckia | Adventitious | zzz | |
| 20211055 | C-Current | | Accepted | Silene conica | L. |  | https://collection.hortusalkmaar.nl/accession/20211055 | Kegelsilene | Kegelsilene | Yes | zz | TNB |
| 20140462 | C-Current | | Accepted | Silene coronaria | (L.) Clairv. |  | https://collection.hortusalkmaar.nl/accession/20140462 | Prikneus | Prikneus | Established | a | E |
| 20211088 | C-Current | | Accepted | Silene dioica | (L.) Clairv. |  | https://collection.hortusalkmaar.nl/accession/20211088 | Dagkoekoeksbloem | Dagkoekoeksbloem, Red campion, Red catchfly | Yes | a | TNB |
| 20261147 | C-Current | | Accepted | Silene flos-cuculi | (L.) Greuter & Burdet |  | https://collection.hortusalkmaar.nl/accession/20261147 | Echte koekoeksbloem | Echte koekoeksbloem, Ragged-robin | Yes | a | TNB |
| 20200245 | C-Current | | Accepted | Silene gallica | L. | | https://collection.hortusalkmaar.nl/accession/20200245 | Franse silene | Franse silene | Yes | zz | BE |
| 20160997 | C-Current | | Accepted | Silene macrophylla | Lag. |  | https://collection.hortusalkmaar.nl/accession/20160997 | Gewimperde blaassilene | Gewimperde blaassilene | Cultuur | zzz | |
| 20200252 | C-Current | | Accepted | Silene nutans | L. |  | https://collection.hortusalkmaar.nl/accession/20200252 | Nachtsilene | Nachtsilene | Yes | zz | TNB |
| 20190363 | C-Current | | Accepted | Siler montanum | Crantz | | https://collection.hortusalkmaar.nl/accession/20190363 | Berglaserkruid | Berglaserkruid | Cultuur | | |
| 20190364 | C-Current | | Accepted | Silphium perfoliatum | L. |  | https://collection.hortusalkmaar.nl/accession/20190364 | Zonnekroon | Zonnekroon | Cultuur | zzz | |
| 19870049 | C-Current | | Accepted | Silybum marianum | (L.) Gaertn. |  | https://collection.hortusalkmaar.nl/accession/19870049 | Mariadistel | Mariadistel | Yes | a | |
| 20211034 | Ontzameld | Hortus Overzee. | Accepted | Simmondsia chinensis | (Link) C.K.Schneid. |  | https://collection.hortusalkmaar.nl/accession/20211034 | Jojoba | Jojoba | Cultuur | | |
| 19890027 | C-Current | | Accepted | Sinapis alba | L. |  | https://collection.hortusalkmaar.nl/accession/19890027 | Witte mosterd | Witte mosterd | Yes | a | |
| 20140451 | C-Current | | Synonym | Sinapis arvensis | L. | | https://collection.hortusalkmaar.nl/accession/20140451 | Herik | Charlock, Herik, Wild mustard | Yes | a | TNB |
| 19890032 | C-Current | | Accepted | Sisymbrium officinale | (L.) Scop. |  | https://collection.hortusalkmaar.nl/accession/19890032 | Gewone raket | Gewone raket | Yes | a | TNB |
| 20261137 | C-Current | | Accepted | Sisymbrium strictissimum | L. | | https://collection.hortusalkmaar.nl/accession/20261137 | Hoge raket | Hoge raket | Established | zzz | |
| 19000423 | C-Current | | Accepted | Smallanthus sonchifolius | (Poepp) H.Rob |  | https://collection.hortusalkmaar.nl/accession/19000423 | Yacon | Yacon | Cultuur | | |
| 20150332 | C-Current | | Accepted | Smyrnium olusatrum | L. |  | https://collection.hortusalkmaar.nl/accession/20150332 | Zwartmoeskervel | Zwartmoeskervel | Yes | zzz | GE |
| 20221029 | C-Current | | Accepted | Smyrnium perfoliatum | L. |  | https://collection.hortusalkmaar.nl/accession/20221029 | Doorwaskervel | Doorwaskervel | Adventitious | zz | E |
| 20140216 | C-Current | | Accepted | Solanum aethiopicum | L. |  | https://collection.hortusalkmaar.nl/accession/20140216 | Ethiopische aubergine | Ethiopische aubergine | Cultuur | zzz | |
| 20130280 | C-Current | | Accepted | Solanum citrullifolium | A.Braun |  | https://collection.hortusalkmaar.nl/accession/20130280 | Watermeloen nachtschade | Watermeloen nachtschade, Watermelon nightshade | Cultuur | | |
| 19880046 | C-Current | | Accepted | Solanum dulcamara | L. |  | https://collection.hortusalkmaar.nl/accession/19880046 | Bitterzoet | Bitterzoet | Yes | a | TNB |
| 20120266 | C-Current | | Accepted | Solanum linnaeanum | Hepper & P.-M.L.Jaeger |  | https://collection.hortusalkmaar.nl/accession/20120266 | Sodoms appel | Sodoms appel | Cultuur | | |
| 20020131 | C-Current | | Accepted | Solanum lycopersicum | L. |  | https://collection.hortusalkmaar.nl/accession/20020131 | Trostomaat | Trostomaat | Cultuur | a | |
| 19860005 | C-Current | | Accepted | Solanum nigrum | L. |  | https://collection.hortusalkmaar.nl/accession/19860005 | Zwarte nachtschade | Zwarte nachtschade | Yes | a | |
| 20150199 | C-Current | | Accepted | Solanum sisymbriifolium | Lam. |  | https://collection.hortusalkmaar.nl/accession/20150199 | Raketnachtschade | Raketnachtschade | Adventitious | zzz | |
| 20211084 | C-Current | | Accepted | Solidago gigantea | Aiton |  | https://collection.hortusalkmaar.nl/accession/20211084 | Late guldenroede | Late guldenroede | Exotic | a | E |
| 20221020 | C-Current | | Accepted | Solidago sempervirens | A.Gray |  | https://collection.hortusalkmaar.nl/accession/20221020 | Duinguldenroede | Duinguldenroede | Cultuur | | |
| 19810033 | C-Current | | Accepted | Solidago virgaurea | L. |  | https://collection.hortusalkmaar.nl/accession/19810033 | Echte guldenroede | Echte guldenroede | Yes | z | KW |
| 20140452 | C-Current | | Accepted | Sonchus arvensis | L. | | https://collection.hortusalkmaar.nl/accession/20140452 | Akkermelkdistel | Akkermelkdistel | Yes | a | TNB |
| 20140453 | C-Current | | Accepted | Sonchus oleraceus | (L.) L. | | https://collection.hortusalkmaar.nl/accession/20140453 | Gewone melkdistel | Gewone melkdistel | Yes | a | TNB |
| 19950429 | C-Current | | Accepted | Sorbus aucuparia | L. |  | https://collection.hortusalkmaar.nl/accession/19950429 | Wilde lijsterbes | European Rowan, Mountain ash, Rowan, Wilde lijsterbes | Yes | a | TNB |
| 20140380 | C-Current | | Accepted | Spartium junceum | L. |  | https://collection.hortusalkmaar.nl/accession/20140380 | Spaanse brem | Spaanse brem | Adventitious | zzz | |
| 20140454 | C-Current | | Accepted | Sphagnum | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20140454 | Veenmos | Veenmos | Yes | | |
| 20190368 | C-Current | | Accepted | Sporobolus indicus | (L.) R.Br. |  | https://collection.hortusalkmaar.nl/accession/20190368 | Rattenstaartgras | Rattenstaartgras | Established | zzz | |
| 19960046 | C-Current | | Accepted | Stachys palustris | L. |  | https://collection.hortusalkmaar.nl/accession/19960046 | Moerasandoorn | Moerasandoorn | Yes | a | TNB |
| 19950059 | C-Current | | Accepted | Stachys sylvatica | L. |  | https://collection.hortusalkmaar.nl/accession/19950059 | Bosandoorn | Bosandoorn | Yes | a | TNB |
| 19900017 | C-Current | | Accepted | Staphisagria requienii | (DC.) Spach |  | https://collection.hortusalkmaar.nl/accession/19900017 | Corsicaanse ridderspoor | Corsicaanse ridderspoor | No | | |
| 20241103 | C-Current | | Accepted | Staphylea trifolia | L. |  | https://collection.hortusalkmaar.nl/accession/20241103 | Amerikaanse pimpernoot | Amerikaanse pimpernoot | Cultuur | | |
| 20211080 | C-Current | | Accepted | Stellaria holostea | L. |  | https://collection.hortusalkmaar.nl/accession/20211080 | Grote muur | Grote muur | Yes | a | TNB |
| 19840030 | C-Current | | Accepted | Stellaria media | (L.) Vill. |  | https://collection.hortusalkmaar.nl/accession/19840030 | Vogelmuur | Vogelmuur | Yes | a | TNB |
| 20140455 | C-Current | | Accepted | Stratiotes aloides | L. |  | https://collection.hortusalkmaar.nl/accession/20140455 | Krabbenscheer | Krabbenscheer | Yes | a | GE |
| 20211010 | C-Current | | Accepted | Strelitzia nicolai | Regel & Körn. 1858 |  | https://collection.hortusalkmaar.nl/accession/20211010 | Witte paradijsvogelbloem | Giant white bird of paradise, Witte paradijsvogelbloem | Cultuur | | |
| 20211063 | C-Current | | Accepted | Stuckenia pectinata | (L.) Börner | | https://collection.hortusalkmaar.nl/accession/20211063 | Schedefonteinkruid | Schedefonteinkruid | Yes | a | TNB |
| 19880047 | C-Current | | Accepted | Styphnolobium japonicum | (L.) Schott |  | https://collection.hortusalkmaar.nl/accession/19880047 | Japanse honingboom | Japanse honingboom | Cultuur | zzz | |
| 20070215 | C-Current | | Accepted | Succisa pratensis | Moench |  | https://collection.hortusalkmaar.nl/accession/20070215 | Blauwe knoop | Blauwe knoop | Yes | a | GE |
| 20211071 | C-Current | | Accepted | Succisella inflexa | (Kluk) Beck |  | https://collection.hortusalkmaar.nl/accession/20211071 | Succisella | Succisella | Cultuur | | |
| 19880048 | C-Current | | Accepted | Symphoricarpos albus | (L.) S.F.Blake |  | https://collection.hortusalkmaar.nl/accession/19880048 | Gewone sneeuwbes | Gewone sneeuwbes | Yes | a | TNB |
| 20251081 | C-Current | | Accepted | Symphyotrichum lanceolatum subsp. lanceolatum | | | https://collection.hortusalkmaar.nl/accession/20251081 | Smalle aster | Smalle aster | Established | | |
| 19950077 | C-Current | | Accepted | Symphytum officinale | L. |  | https://collection.hortusalkmaar.nl/accession/19950077 | Gewone smeerwortel | Gewone smeerwortel | Yes | a | TNB |
| 20261127 | C-Current | | Accepted | Symphytum tuberosum | L. | | https://collection.hortusalkmaar.nl/accession/20261127 | Knolsmeerwortel | Knolsmeerwortel | Adventitious | | |
| 19880049 | C-Current | | Accepted | Syringa vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19880049 | Gewone sering | Gewone sering | Exotic | a | E |
| 20140286 | C-Current | | Accepted | Tagetes erecta | L. |  | https://collection.hortusalkmaar.nl/accession/20140286 | Groot afrikaantje | Groot afrikaantje | Adventitious | zzz | |
| 20191024 | C-Current | | Accepted | Tagetes minuta | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20191024 | Geelgroen afrikaantje | Geelgroen afrikaantje, Southern Marigold | Adventitious | zz | |
| 20211056 | C-Current | | Accepted | Tagetes minuta | L. 1753 |  | https://collection.hortusalkmaar.nl/accession/20211056 | Geelgroen afrikaantje | Geelgroen afrikaantje, Southern Marigold | Adventitious | zz | |
| 19840008 | C-Current | | Accepted | Tanacetum parthenium | L. |  | https://collection.hortusalkmaar.nl/accession/19840008 | Moederkruid | Moederkruid | Yes | a | TNB |
| 19850015 | C-Current | | Accepted | Tanacetum vulgare | L. |  | https://collection.hortusalkmaar.nl/accession/19850015 | Boerenwormkruid | Boerenwormkruid | Yes | a | TNB |
| 19830020 | C-Current | | Accepted | Taraxacum officinale | F.H. Wigg. 1780 |  | https://collection.hortusalkmaar.nl/accession/19830020 | Gewone paardenbloem | Gewone paardenbloem | Yes | a | TNB |
| 19990149 | C-Current | | Accepted | Taxus baccata | L. |  | https://collection.hortusalkmaar.nl/accession/19990149 | Taxus | European Yew, Taxus | Yes | a | TNB |
| 20150239 | C-Current | | Accepted | Teucrium botrys | L. |  | https://collection.hortusalkmaar.nl/accession/20150239 | Trosgamander | Trosgamander | Yes | zzz | EB |
| 19990360 | C-Current | | Accepted | Teucrium chamaedrys | L. |  | https://collection.hortusalkmaar.nl/accession/19990360 | Echte gamander | Echte gamander | Yes | zzz | GE |
| 19970286 | C-Current | | Accepted | Teucrium marum | L. |  | https://collection.hortusalkmaar.nl/accession/19970286 | Amberkruid | Amberkruid | Cultuur | | |
| 19870052 | C-Current | | Accepted | Teucrium scorodonia | L. |  | https://collection.hortusalkmaar.nl/accession/19870052 | Valse salie | Valse salie | Yes | a | TNB |
| 20170383 | C-Current | | Accepted | Thelypteris palustris | (A. Gray) Schott |  | https://collection.hortusalkmaar.nl/accession/20170383 | Moerasvaren | Moerasvaren | Yes | z | TNB |
| 20140457 | C-Current | | Accepted | Thermopsis lanceolata | R.Br. 1811 |  | https://collection.hortusalkmaar.nl/accession/20140457 | Vossenboon | Vossenboon | Cultuur | | |
| 19820010 | C-Current | | Accepted | Thuja occidentalis | L. |  | https://collection.hortusalkmaar.nl/accession/19820010 | Westerse levensboom | Westerse levensboom | Cultuur | zz | |
| 20221031 | C-Current | | Accepted | Thuja occidentalis | L. |  | https://collection.hortusalkmaar.nl/accession/20221031 | Westerse levensboom | Westerse levensboom | Cultuur | zz | |
| 19990235 | C-Current | | Accepted | Thymus serpyllum | L. emend. Mill. |  | https://collection.hortusalkmaar.nl/accession/19990235 | Kleine tijm | Kleine tijm | Yes | zz | BE |
| 19810034 | C-Current | | Accepted | Thymus vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/19810034 | Echte tijm | Echte tijm | Adventitious | zz | |
| 19900143 | C-Current | | Accepted | Tilia tomentosa | Moench |  | https://collection.hortusalkmaar.nl/accession/19900143 | Zilverlinde | Zilverlinde | Cultuur | zz | |
| 19000465 | C-Current | | Hybrid | Tilia x europaea | L. |  | https://collection.hortusalkmaar.nl/accession/19000465 | Hollandse linde | Hollandse linde | Yes | a | |
| 20221032 | C-Current | | Accepted | Tithonia rotundifolia | (Mill.) S.F. Blake |  | https://collection.hortusalkmaar.nl/accession/20221032 | Mexicaanse zonnebloem | Mexicaanse zonnebloem | Cultuur | | |
| 19870043 | C-Current | | Accepted | Toxicodendron radicans subsp. radicans | |  | https://collection.hortusalkmaar.nl/accession/19870043 | Gifsumak | Gifsumak | No | zzz | E |
| 19880050 | C-Current | | Accepted | Toxicodendron vernicifluum | (Stokes) Barkl. |  | https://collection.hortusalkmaar.nl/accession/19880050 | Vernisboom | Vernisboom | Cultuur | | |
| 20190352 | C-Current | | Accepted | Trachycarpus fortunei | (Hook.) H.Wendl. |  | https://collection.hortusalkmaar.nl/accession/20190352 | Chinese waaierpalm | Chinese waaierpalm | Adventitious | zzz | |
| 20140381 | C-Current | | Hybrid | Tradescantia x andersoniana | W.Ludw. & Rohweder | | https://collection.hortusalkmaar.nl/accession/20140381 | Eendagsbloem | Eendagsbloem | Cultuur | | |
| 20241117 | C-Current | | Accepted | Tragopogon pratensis | L. |  | https://collection.hortusalkmaar.nl/accession/20241117 | Gele morgenster | Gele morgenster | Yes | a | |
| 19880051 | C-Current | | Accepted | Trifolium arvense | L. |  | https://collection.hortusalkmaar.nl/accession/19880051 | Hazenpootje | Hazenpootje | Yes | a | TNB |
| 19880052 | C-Current | | Accepted | Trifolium pratense | L. |  | https://collection.hortusalkmaar.nl/accession/19880052 | Rode klaver | Rode klaver | Yes | a | TNB |
| 19880053 | C-Current | | Accepted | Trifolium repens | L. |  | https://collection.hortusalkmaar.nl/accession/19880053 | Witte klaver | Witte klaver | Yes | a | TNB |
| 19900043 | C-Current | | Accepted | Trigonella foenum-graecum | L. |  | https://collection.hortusalkmaar.nl/accession/19900043 | Fenegriek | Fenegriek | Yes | zzz | |
| 20000094 | C-Current | | Accepted | Trillium erectum | L. |  | https://collection.hortusalkmaar.nl/accession/20000094 | Recht drieblad | Recht drieblad | Cultuur | | |
| 19890029 | C-Current | | Accepted | Triticum turgidum | L. | | https://collection.hortusalkmaar.nl/accession/19890029 | Engelse tarwe | Engelse tarwe | Adventitious | a | |
| 19830021 | C-Current | | Accepted | Tropaeolum majus | L. |  | https://collection.hortusalkmaar.nl/accession/19830021 | Oost-Indische kers | Oost-Indische kers | Adventitious | z | |
| 19870053 | C-Current | | Accepted | Tsuga canadensis | (L.) Carr. |  | https://collection.hortusalkmaar.nl/accession/19870053 | Canadese hemlockspar | Canadese hemlockspar | Cultuur | zz | |
| 20241080 | C-Current | | Accepted | Turritis glabra | L. |  | https://collection.hortusalkmaar.nl/accession/20241080 | Torenkruid | Torenkruid | Yes | zz | KW |
| 20060523 | C-Current | | Accepted | Tussilago farfara | L. |  | https://collection.hortusalkmaar.nl/accession/20060523 | Klein hoefblad | Klein hoefblad | Yes | a | TNB |
| 19840031 | C-Current | | Accepted | Typha angustifolia | L. | | https://collection.hortusalkmaar.nl/accession/19840031 | Kleine lisdodde | Kleine lisdodde | Yes | a | TNB |
| 19990410 | C-Current | | Accepted | Typha latifolia | L. |  | https://collection.hortusalkmaar.nl/accession/19990410 | Grote Lisdodde | Grote Lisdodde | Yes | a | TNB |
| 20211042 | C-Current | | Accepted | Typha laxmannii | Lepech. 1801 |  | https://collection.hortusalkmaar.nl/accession/20211042 | Bebladerde lisdodde | Bebladerde lisdodde, Graceful cattail, Laxmanns Rohrkolben, Рого́з Ла́ксмана | Adventitious | zzz | |
| 19870054 | Ontzameld | Botanische tuin Utrecht | Accepted | Umbellularia californica | (Hook. & Arn.) Nutt. |  | https://collection.hortusalkmaar.nl/accession/19870054 | Californische laurier | Californische laurier | No | | |
| 19940032 | C-Current | | Accepted | Umbilicus rupestris | (Salisb.) Dandy |  | https://collection.hortusalkmaar.nl/accession/19940032 | Muurnavel | Muurnavel | Established | zzz | |
| 19820011 | C-Current | | Accepted | Urtica dioica | L. |  | https://collection.hortusalkmaar.nl/accession/19820011 | Grote brandnetel | Grote brandnetel | Yes | a | TNB |
| 19880054 | C-Current | | Accepted | Urtica urens | L. |  | https://collection.hortusalkmaar.nl/accession/19880054 | Kleine brandnetel | Kleine brandnetel | Yes | a | TNB |
| 20201011 | C-Current | | Accepted | Utricularia australis | R.Br. 1753 |  | https://collection.hortusalkmaar.nl/accession/20201011 | Loos blaasjeskruid | Gewöhnliche Wasserschlauch, Greater bladderwort, Loos blaasjeskruid, Utriculaire commune | Yes | a | TNB |
| 20211078 | C-Current | | Accepted | Utricularia gibba | L. |  | https://collection.hortusalkmaar.nl/accession/20211078 | Gebocheld blaasjeskruid | Floating bladderwort, Gebocheld blaasjeskruid, Humped | Cultuur | | |
| 20241109 | C-Current | | Accepted | Utricularia vulgaris | L. |  | https://collection.hortusalkmaar.nl/accession/20241109 | Groot blaasjeskruid | Groot blaasjeskruid | Yes | a | TNB |
| 20231040 | C-Current | | Accepted | Vaccinium macrocarpon | Aiton | | https://collection.hortusalkmaar.nl/accession/20231040 | Cranberry | Cranberry | Yes | z | TNB |
| 20140346 | C-Current | | Accepted | Vaccinium myrtillus | L. | | https://collection.hortusalkmaar.nl/accession/20140346 | Blauwe bosbes | Blauwe bosbes | Yes | a | TNB |
| 20120259 | C-Current | | Accepted | Vaccinium vitis-idaea | L. |  | https://collection.hortusalkmaar.nl/accession/20120259 | Rode bosbes | Rode bosbes | Yes | a | TNB |
| 19810035 | C-Current | | Accepted | Valeriana officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19810035 | Echte valeriaan | Echte valeriaan | Yes | a | TNB |
| 19830005 | C-Current | | Accepted | Valeriana rubra | L. |  | https://collection.hortusalkmaar.nl/accession/19830005 | Rode spoorbloem | Rode spoorbloem | Established | a | |
| 20191029 | C-Current | | Accepted | Valeriana rubra 'Albus' | L. | | https://collection.hortusalkmaar.nl/accession/20191029 | Witte spoorbloem | Witte spoorbloem | Established | a | |
| 20000098 | C-Current | | Accepted | Veratrum album | L. |  | https://collection.hortusalkmaar.nl/accession/20000098 | Witte nieswortel | Witte nieswortel | Cultuur | | |
| 20100136 | C-Current | | Accepted | Verbascum densiflorum | Bertol. |  | https://collection.hortusalkmaar.nl/accession/20100136 | Stalkaars | Stalkaars | Yes | a | TNB |
| 20170252 | C-Current | | Accepted | Verbascum nigrum | L. | | https://collection.hortusalkmaar.nl/accession/20170252 | Zwarte toorts | Zwarte toorts | Yes | a | TNB |
| 20221049 | C-Current | | Accepted | Verbascum phlomoides | L. |  | https://collection.hortusalkmaar.nl/accession/20221049 | Keizerskaars | Keizerskaars | Yes | a | TNB |
| 20120345 | C-Current | | Accepted | Verbascum phoeniceum | L. |  | https://collection.hortusalkmaar.nl/accession/20120345 | Paarse toorts | Paarse toorts | Cultuur | zz | |
| 20070219 | C-Current | | Accepted | Verbascum thapsus | L. |  | https://collection.hortusalkmaar.nl/accession/20070219 | Koningskaars | Koningskaars | Yes | a | TNB |
| 20190376 | C-Current | | Accepted | Verbena bonariensis | L. |  | https://collection.hortusalkmaar.nl/accession/20190376 | Stijf ijzerhard | Stijf ijzerhard | Cultuur | a | |
| 20020251 | C-Current | | Accepted | Verbena hastata | L. |  | https://collection.hortusalkmaar.nl/accession/20020251 | Blauwe verbena | Blauwe verbena | Cultuur | z | |
| 19870055 | C-Current | | Accepted | Verbena officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19870055 | IJzerhard | Common vervain, Holy herb, IJzerhard | Yes | a | TNB |
| 20190354 | C-Current | | Accepted | Verbena rigida | Spreng. |  | https://collection.hortusalkmaar.nl/accession/20190354 | Hoofdjesverbena | Hoofdjesverbena | Cultuur | zz | |
| 20190996 | C-Current | | Accepted | Verbena stricta | Vent. | | https://collection.hortusalkmaar.nl/accession/20190996 | Lavendel-ijzerhard | Lavendel-ijzerhard | Cultuur | | |
| 19000484 | C-Current | | Accepted | Verbesina alternifolia | (L.) Britton ex Kearney |  | https://collection.hortusalkmaar.nl/accession/19000484 | Verbesina | Verbesina | Cultuur | zzz | |
| 20241106 | C-Current | | Accepted | Veronica agrestis | L. |  | https://collection.hortusalkmaar.nl/accession/20241106 | Akkerereprijs | Akkerereprijs | Yes | a | TNB |
| 20140458 | C-Current | | Accepted | Veronica arvensis | L. | | https://collection.hortusalkmaar.nl/accession/20140458 | Veldereprijs | Veldereprijs | Yes | a | TNB |
| 19940355 | C-Current | | Accepted | Veronica beccabunga | L. |  | https://collection.hortusalkmaar.nl/accession/19940355 | Beekpunge | Beekpunge | Yes | a | TNB |
| 20211052 | C-Current | | Accepted | Veronica beccabunga | L. |  | https://collection.hortusalkmaar.nl/accession/20211052 | Beekpunge | Beekpunge | Yes | a | TNB |
| 19990411 | C-Current | | Accepted | Veronica chamaedrys | L. |  | https://collection.hortusalkmaar.nl/accession/19990411 | Gewone ereprijs | Gewone ereprijs | Yes | a | TNB |
| 20140459 | C-Current | | Accepted | Veronica hederifolia | L. | | https://collection.hortusalkmaar.nl/accession/20140459 | Klimopereprijs | Klimopereprijs | Yes | a | TNB |
| 20211085 | C-Current | | Accepted | Veronica montana | L. |  | https://collection.hortusalkmaar.nl/accession/20211085 | Bosereprijs | Bosereprijs | Yes | zz | TNB |
| 19830022 | C-Current | | Accepted | Veronica officinalis | L. |  | https://collection.hortusalkmaar.nl/accession/19830022 | Mannetjesereprijs | Mannetjesereprijs | Yes | a | TNB |
| 20140460 | C-Current | | Accepted | Veronica persica | Poir. | | https://collection.hortusalkmaar.nl/accession/20140460 | Grote ereprijs | Grote ereprijs | Yes | a | TNB |
| 20080084 | C-Current | | Accepted | Veronicastrum sibiricum | (L.) Pennell |  | https://collection.hortusalkmaar.nl/accession/20080084 | Oosterse ereprijs | Oosterse ereprijs | Cultuur | | |
| 20200239 | C-Current | | Accepted | Veronicastrum villosulum | (Miq.) Yamaz. |  | https://collection.hortusalkmaar.nl/accession/20200239 | Klimmende ereprijs | Klimmende ereprijs | Cultuur | | |
| 20080119 | C-Current | | Accepted | Veronicastrum virginicum | (L.) Farw. |  | https://collection.hortusalkmaar.nl/accession/20080119 | Virginische ereprijs | Virginische ereprijs | Cultuur | zzz | |
| 19870056 | C-Current | | Accepted | Viburnum lantana | L. |  | https://collection.hortusalkmaar.nl/accession/19870056 | Wollige sneeuwbal | Wayfaring tree, Wollige sneeuwbal | Yes | z | TNB |
| 19990008 | C-Current | | Accepted | Viburnum opulus | L. |  | https://collection.hortusalkmaar.nl/accession/19990008 | Gelderse roos | Gelderse roos, Guelder Rose | Yes | a | TNB |
| 19920018 | C-Current | | Accepted | Viburnum prunifolium | L. |  | https://collection.hortusalkmaar.nl/accession/19920018 | Zwarte haagdoorn | Zwarte haagdoorn | Cultuur | | |
| 19870057 | C-Current | | Accepted | Viburnum tinus | L. |  | https://collection.hortusalkmaar.nl/accession/19870057 | Tinussneeuwbal | Tinussneeuwbal | Exotic | zz | |
| 19900044 | C-Current | | Accepted | Vicia cracca | L. |  | https://collection.hortusalkmaar.nl/accession/19900044 | Vogelwikke | Vogelwikke, Vetch | Yes | a | TNB |
| 20100174 | C-Current | | Accepted | Vicia faba | L. |  | https://collection.hortusalkmaar.nl/accession/20100174 | Tuinboon | Tuinboon, Broad bean | Yes | zz | |
| 19940225 | C-Current | | Accepted | Vicia lens | (L.) Coss. & Germ. | | https://collection.hortusalkmaar.nl/accession/19940225 | Linze | Linze, Linse | Cultuur | zzz | |
| 19820012 | C-Current | | Accepted | Vinca minor | L. |  | https://collection.hortusalkmaar.nl/accession/19820012 | Kleine maagdenpalm | Kleine maagdenpalm | Yes | a | TNB |
| 19890030 | C-Current | | Accepted | Vincetoxicum hirundinaria | Medik. |  | https://collection.hortusalkmaar.nl/accession/19890030 | Witte engbloem | Witte engbloem | Yes | zzz | KW |
| 19820013 | C-Current | | Accepted | Viola odorata | L. |  | https://collection.hortusalkmaar.nl/accession/19820013 | Maarts viooltje | Maarts viooltje | Yes | a | TNB |
| 19990154 | C-Current | | Accepted | Viola reichenbachiana | Jord. ex Bordeau |  | https://collection.hortusalkmaar.nl/accession/19990154 | Donkersporig bosviooltje | Donkersporig bosviooltje | Yes | zz | TNB |
| 20241052 | C-Current | | Accepted | Viola riviniana 'Purpurea' | | | https://collection.hortusalkmaar.nl/accession/20241052 | Purperviooltje | Purperviooltje | Yes | a | |
| 19810036 | C-Current | | Accepted | Viola tricolor subsp. tricolor | |  | https://collection.hortusalkmaar.nl/accession/19810036 | Driekleurig viooltje | Driekleurig viooltje | Yes | a | TNB |
| 19990262 | C-Current | | Accepted | Vitex agnus-castus | L. |  | https://collection.hortusalkmaar.nl/accession/19990262 | Kuisheidsboom | Kuisheidsboom | Cultuur | | |
| 19880055 | C-Current | | Accepted | Vitis vinifera | L. |  | https://collection.hortusalkmaar.nl/accession/19880055 | Wijnstok | Wijnstok, Vine | Cultuur | z | |
| 20251048 | C-Current | | Accepted | Wahlenbergia hederacae | (L.) Rchb. |  | https://collection.hortusalkmaar.nl/accession/20251048 | Klimopklokje | Klimopklokje | Cultuur | zzz | BE |
| 19000490 | C-Current | | Accepted | Xanthium orientale | L. 1763 | | https://collection.hortusalkmaar.nl/accession/19000490 | Grote stekelnoot | Grote stekelnoot | Established | zz | |
| 19940301 | C-Current | | Accepted | Xanthium strumarium | L. | | https://collection.hortusalkmaar.nl/accession/19940301 | Late stekelnoot | Dobkey burr, Late stekelnoot | Yes | z | |
| 20170298 | C-Current | | Accepted | Yucca brevifolia | Engelm. | | https://collection.hortusalkmaar.nl/accession/20170298 | Joshuaboom | Joshua tree, Joshuaboom | Cultuur | | |
| 19880056 | C-Current | | Accepted | Yucca flaccida | Haw. |  | https://collection.hortusalkmaar.nl/accession/19880056 | Behaarde yucca | Behaarde yucca | Cultuur | zz | |
| 19970328 | C-Current | | Accepted | Zantedeschia aethiopica | (L.) Spreng. |  | https://collection.hortusalkmaar.nl/accession/19970328 | Witte aronskelk | Witte aronskelk | Adventitious | zzz | |
| 19880058 | C-Current | | Accepted | Zanthoxylum americanum | Mill. | | https://collection.hortusalkmaar.nl/accession/19880058 | Amerikaanse peperboom | Amerikaanse peperboom | No | | |
| 20160222 | C-Current | | Accepted | Zanthoxylum simulans | Hance 1866 |  | https://collection.hortusalkmaar.nl/accession/20160222 | Chinese peperboom | Chinese peperboom | Cultuur | | |