| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies concolor | Yes | species | eukaryota | plants | species | 97173 | click here |
| abutilon theophrasti | Yes | species | eukaryota | plants | species | 3631 | click here |
| acacia | Yes | | | plants | genus | 3808 | click here |
| acacia auriculiformis | Yes | species | eukaryota | plants | species | 205027 | click here |
| acacia crassicarpa | Yes | species | eukaryota | plants | species | 499986 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acacia pycnantha | Yes | species | | | species | 880440 | click here |
| acalypha australis | Yes | species | eukaryota | plants | species | 720869 | click here |
| acalypha diversifolia | Yes | species | eukaryota | plants | species | 681400 | click here |
| acanthus mollis | Yes | species | eukaryota | plants | species | 76277 | click here |
| acca sellowiana | Yes | species | eukaryota | plants | species | 260130 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer albopurpurascens | Yes | species | eukaryota | plants | species | 355904 | click here |
| acer campestre | Yes | species | eukaryota | plants | species | 66205 | click here |
| acer circinatum | Yes | species | eukaryota | plants | species | 66207 | click here |
| acer macrophyllum | Yes | species | eukaryota | plants | species | 66211 | click here |
| acer palmatum | Yes | species | eukaryota | plants | species | 66201 | click here |
| acer pseudoplatanus | Yes | species | eukaryota | plants | species | 4026 | click here |
| acer rubrum | Yes | species | eukaryota | plants | species | 45314 | click here |
| acer saccharum | Yes | species | eukaryota | plants | species | 4024 | click here |
| acer velutinum | Yes | species | eukaryota | plants | species | 290840 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| achyranthes aspera | Yes | species | eukaryota | plants | species | 240005 | click here |
| achyranthes japonica | Yes | species | | | species | 543011 | click here |
| aconitum carmichaelii | Yes | species | eukaryota | plants | species | 85363 | click here |
| aconitum napellus | Yes | species | eukaryota | plants | species | 112591 | click here |
| acrocomia aculeata | Yes | species | eukaryota | plants | species | 169987 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| adenophora capillaris | Yes | species | | | species | 1392102 | click here |
| adiantum | Yes | | | plants | genus | 13817 | click here |
| aegiceras corniculatum | Yes | species | eukaryota | plants | species | 59970 | click here |
| aegilops | Yes | | | plants | genus | 4480 | click here |
| aegilops tauschii | Yes | species | eukaryota | plants | species | 37682 | click here |
| aegle marmelos | Yes | species | eukaryota | plants | species | 68527 | click here |
| aegopodium podagraria | Yes | species | eukaryota | plants | species | 40902 | click here |
| aerva javanica | Yes | species | eukaryota | plants | species | 240009 | click here |
| aeschynomene falcata | Yes | species | eukaryota | plants | species | 561485 | click here |
| aesculus hippocastanum | Yes | species | eukaryota | plants | species | 43364 | click here |
| agave salmiana | Yes | species | eukaryota | plants | species | 332343 | click here |
| agave tequilana | Yes | species | eukaryota | plants | species | 386106 | click here |
| ageratina | Yes | | | plants | genus | 102749 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| agrimonia pilosa | Yes | species | eukaryota | plants | species | 74656 | click here |
| agropyron | Yes | | | plants | genus | 4592 | click here |
| agrostis | Yes | | | plants | genus | 15297 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| ajuga multiflora | Yes | species | eukaryota | plants | species | 416394 | click here |
| alangium platanifolium | Yes | species | eukaryota | plants | species | 60116 | click here |
| albizia julibrissin | Yes | species | eukaryota | plants | species | 3813 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alcea rosea | Yes | species | eukaryota | plants | species | 65557 | click here |
| alchemilla mollis | Yes | species | eukaryota | plants | species | 32218 | click here |
| alchemilla xanthochlora | Yes | species | | | species | 1155249 | click here |
| alhagi maurorum | Yes | species | eukaryota | plants | species | 47037 | click here |
| allium tuberosum | Yes | species | eukaryota | plants | species | 4683 | click here |
| alnus | Yes | | | plants | genus | 3515 | click here |
| alnus acuminata | Yes | species | eukaryota | plants | species | 109057 | click here |
| alnus glutinosa | Yes | species | eukaryota | plants | species | 3517 | click here |
| alnus hirsuta var. sibirica | Yes | varietas | eukaryota | plants | varietas | 253220 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| alnus rubra | Yes | species | eukaryota | plants | species | 109069 | click here |
| alocasia odora | Yes | species | eukaryota | plants | species | 174188 | click here |
| alopecurus aequalis | Yes | species | eukaryota | plants | species | 114194 | click here |
| amaranthus | Yes | | | plants | genus | 3564 | click here |
| amaranthus blitoides | Yes | species | eukaryota | plants | species | 124761 | click here |
| amaranthus hybridus | Yes | species | eukaryota | plants | species | 3565 | click here |
| amaranthus retroflexus | Yes | species | eukaryota | plants | species | 124763 | click here |
| ambrosia artemisiifolia | Yes | species | eukaryota | plants | species | 4212 | click here |
| ambrosia artemisiifolia var. elatior | Yes | varietas | eukaryota | plants | varietas | 4215 | click here |
| ambrosia psilostachya | Yes | species | eukaryota | plants | species | 29715 | click here |
| ambrosia trifida | Yes | species | eukaryota | plants | species | 4214 | click here |
| amelanchier | Yes | | | plants | genus | 23139 | click here |
| amelanchier lamarckii | Yes | species | | | species | 1143212 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amorpha fruticosa | Yes | species | eukaryota | plants | species | 48131 | click here |
| ampelopsis glandulosa var. brevipedunculata | Yes | varietas | eukaryota | plants | varietas | 178805 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anemone tomentosa | Yes | species | | | species | 1484106 | click here |
| anethum foeniculum | Yes | species | | | species | 2849586 | click here |
| angelica dahurica | Yes | species | eukaryota | plants | species | 48101 | click here |
| angelica gigas | Yes | species | eukaryota | plants | species | 85712 | click here |
| angelica japonica | Yes | species | eukaryota | plants | species | 265806 | click here |
| angelica sinensis | Yes | species | eukaryota | plants | species | 165353 | click here |
| angophora robur | Yes | species | eukaryota | plants | species | 415880 | click here |
| annona squamosa | Yes | species | eukaryota | plants | species | 301693 | click here |
| anthriscus | Yes | | | plants | genus | 40886 | click here |
| anthurium | Yes | | | plants | genus | 78377 | click here |
| anthyllis vulneraria | Yes | species | eukaryota | plants | species | 118891 | click here |
| antirrhinum majus | Yes | species | eukaryota | plants | species | 4151 | click here |
| anubias | Yes | | | plants | genus | 174191 | click here |
| apium | Yes | | | plants | genus | 4044 | click here |
| apium graveolens | Yes | species | eukaryota | plants | species | 4045 | click here |
| apium graveolens dulce group | Yes | no rank | eukaryota | plants | no rank | 117781 | click here |
| apocynaceae | Yes | | | plants | family | 4056 | click here |
| apocynum | Yes | | | plants | genus | 13338 | click here |
| arabis alpina | Yes | species | eukaryota | plants | species | 50452 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |