| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies nordmanniana | Yes | species | eukaryota | plants | species | 97177 | click here |
| acanthaster planci | Yes | species | eukaryota | invertebrates | species | 133434 | click here |
| acanthus ilicifolius | Yes | species | eukaryota | plants | species | 328098 | click here |
| acca sellowiana | Yes | species | eukaryota | plants | species | 260130 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer negundo | Yes | species | eukaryota | plants | species | 4023 | click here |
| acer palmatum | Yes | species | eukaryota | plants | species | 66201 | click here |
| acer pseudoplatanus | Yes | species | eukaryota | plants | species | 4026 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| achlys triphylla | Yes | species | eukaryota | plants | species | 63345 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| actaea spicata | Yes | species | eukaryota | plants | species | 64025 | click here |
| actinidia chinensis | Yes | species | eukaryota | plants | species | 3625 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| adonis vernalis | Yes | species | eukaryota | plants | species | 46985 | click here |
| aegle marmelos | Yes | species | eukaryota | plants | species | 68527 | click here |
| aesculus californica | Yes | species | eukaryota | plants | species | 307252 | click here |
| aesculus turbinata | Yes | species | eukaryota | plants | species | 83375 | click here |
| agapanthus | Yes | | | plants | genus | 51426 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| aglaia elaeagnoidea | Yes | species | eukaryota | plants | species | 201007 | click here |
| agrostis | Yes | | | plants | genus | 15297 | click here |
| agrostis capillaris | Yes | species | eukaryota | plants | species | 204232 | click here |
| agrostis stolonifera | Yes | species | eukaryota | plants | species | 63632 | click here |
| ailanthus altissima | Yes | species | eukaryota | plants | species | 23810 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| albizia julibrissin | Yes | species | eukaryota | plants | species | 3813 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alectryon excelsus | Yes | species | eukaryota | plants | species | 151049 | click here |
| alisma plantago-aquatica | Yes | no rank | eukaryota | plants | species | 15000 | click here |
| allium | Yes | | | plants | genus | 4678 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| allium nutans | Yes | species | eukaryota | plants | species | 138328 | click here |
| allium schoenoprasum | Yes | species | eukaryota | plants | species | 74900 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| alyssum alyssoides | Yes | species | eukaryota | plants | species | 169068 | click here |
| ambrosia artemisiifolia | Yes | species | eukaryota | plants | species | 4212 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amorpha fruticosa | Yes | species | eukaryota | plants | species | 48131 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| anacamptis laxiflora | Yes | species | eukaryota | plants | species | 59336 | click here |
| anchusa italica | Yes | species | eukaryota | plants | species | 764719 | click here |
| andrographis paniculata | Yes | species | eukaryota | plants | species | 175694 | click here |
| anemone hepatica | Yes | species | eukaryota | plants | species | 168011 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anethum foeniculum | Yes | species | | | species | 2849586 | click here |
| anethum graveolens | Yes | species | eukaryota | plants | species | 40922 | click here |
| angelica archangelica | Yes | species | eukaryota | plants | species | 40949 | click here |
| angelica gigas | Yes | species | eukaryota | plants | species | 85712 | click here |
| anigozanthos manglesii | Yes | species | eukaryota | plants | species | 114198 | click here |
| anthriscus cerefolium | Yes | species | eukaryota | plants | species | 40888 | click here |
| aquilegia vulgaris | Yes | species | eukaryota | plants | species | 3451 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| arachnitis uniflora | Yes | species | eukaryota | plants | species | 191246 | click here |
| archontophoenix cunninghamiana | Yes | species | eukaryota | plants | species | 679633 | click here |
| arctium | Yes | | | plants | genus | 4216 | click here |
| arctium lappa | Yes | species | eukaryota | plants | species | 4217 | click here |
| arctium tomentosum | Yes | species | eukaryota | plants | species | 4218 | click here |
| arrhenatherum elatius | Yes | species | eukaryota | plants | species | 52139 | click here |
| artemisia absinthium | Yes | species | eukaryota | plants | species | 72332 | click here |
| artemisia dracunculus | Yes | species | eukaryota | plants | species | 72341 | click here |
| artemisia vulgaris | Yes | species | eukaryota | plants | species | 4220 | click here |
| arthrocnemum macrostachyum | Yes | species | eukaryota | plants | species | 239181 | click here |
| asphodelus albus | Yes | species | eukaryota | plants | species | 207931 | click here |
| asphodelus ramosus | Yes | species | eukaryota | plants | species | 221659 | click here |
| astragalus penduliflorus | Yes | species | eukaryota | plants | species | 158323 | click here |
| astragalus sinicus | Yes | species | eukaryota | plants | species | 47065 | click here |
| atractylodes macrocephala | Yes | species | eukaryota | plants | species | 265785 | click here |
| atropa belladonna | Yes | species | eukaryota | plants | species | 33113 | click here |
| avena | Yes | | | plants | genus | 4496 | click here |
| avena sativa | Yes | species | eukaryota | plants | species | 4498 | click here |
| azorella | Yes | | | plants | genus | 52507 | click here |
| balaenoptera brydei | Yes | species | eukaryota | mammals | species | 255365 | click here |
| ballota hirsuta | Yes | species | | | species | 1138119 | click here |
| bambusa vulgaris | Yes | species | eukaryota | plants | species | 58168 | click here |
| berberis vulgaris | Yes | species | eukaryota | plants | species | 258209 | click here |
| bergenia ciliata | Yes | species | eukaryota | plants | species | 278077 | click here |
| beta vulgaris | Yes | species | eukaryota | plants | species | 161934 | click here |
| betula ermanii | Yes | species | eukaryota | plants | species | 216992 | click here |
| betula pendula | Yes | species | eukaryota | plants | species | 3505 | click here |
| bison | Yes | | | mammals | genus | 9900 | click here |
| blechnum | Yes | | | plants | genus | 29605 | click here |
| borago officinalis | Yes | species | eukaryota | plants | species | 13363 | click here |
| bougainvillea spectabilis | Yes | species | eukaryota | plants | species | 146096 | click here |
| bouteloua eriopoda | Yes | species | eukaryota | plants | species | 383921 | click here |
| bouteloua gracilis | Yes | species | eukaryota | plants | species | 48732 | click here |
| brassica napus | Yes | species | eukaryota | plants | species | 3708 | click here |
| brassica oleracea var. capitata | Yes | varietas | eukaryota | plants | varietas | 3716 | click here |
| braya fernaldii | Yes | species | eukaryota | plants | species | 234455 | click here |
| braya longii | Yes | species | eukaryota | plants | species | 234457 | click here |
| bromus tectorum | Yes | species | eukaryota | plants | species | 29667 | click here |
| bupleurum falcatum | Yes | species | eukaryota | plants | species | 46367 | click here |
| buxus | Yes | | | plants | genus | 4001 | click here |
| buxus sempervirens | Yes | species | eukaryota | plants | species | 4002 | click here |
| cajanus cajan | Yes | species | eukaryota | plants | species | 3821 | click here |
| calluna | Yes | | | plants | genus | 13384 | click here |
| calystegia sepium | Yes | species | eukaryota | plants | species | 47519 | click here |
| camellia sinensis | Yes | species | eukaryota | plants | species | 4442 | click here |