| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies balsamea | Yes | species | eukaryota | plants | species | 90345 | click here |
| acacia | Yes | | | plants | genus | 3808 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acanthaster planci | Yes | species | eukaryota | invertebrates | species | 133434 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer macrophyllum | Yes | species | eukaryota | plants | species | 66211 | click here |
| acer tataricum subsp. ginnala | Yes | subspecies | eukaryota | plants | subspecies | 57656 | click here |
| aconitum carmichaelii | Yes | species | eukaryota | plants | species | 85363 | click here |
| acromyrmex | Yes | | | invertebrates | genus | 64782 | click here |
| acromyrmex balzani | Yes | species | eukaryota | invertebrates | species | 230682 | click here |
| acromyrmex coronatus | Yes | species | eukaryota | invertebrates | species | 230683 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| acromyrmex heyeri | Yes | species | eukaryota | invertebrates | species | 230685 | click here |
| acromyrmex subterraneus subterraneus | Yes | subspecies | eukaryota | invertebrates | subspecies | 230689 | click here |
| actinidia chinensis | Yes | species | eukaryota | plants | species | 3625 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| aegiceras floridum | Yes | species | | | species | 1679871 | click here |
| aeonium arboreum | Yes | species | eukaryota | plants | species | 35945 | click here |
| aeonium cuneatum | Yes | species | eukaryota | plants | species | 111147 | click here |
| aeonium urbicum | Yes | species | eukaryota | plants | species | 111161 | click here |
| aesculus hippocastanum | Yes | species | eukaryota | plants | species | 43364 | click here |
| agaricus | Yes | | | plants | genus | 5340 | click here |
| agaricus bisporus | Yes | species | eukaryota | plants | species | 5341 | click here |
| agaricus xanthodermus | Yes | species | eukaryota | plants | species | 83518 | click here |
| agathis australis | Yes | species | eukaryota | plants | species | 58027 | click here |
| agave tequilana | Yes | species | eukaryota | plants | species | 386106 | click here |
| agelas oroides | Yes | species | eukaryota | invertebrates | species | 72715 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| agrocybe aegerita | Yes | species | eukaryota | plants | species | 5400 | click here |
| albatrellus | Yes | | | plants | genus | 68750 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alchornea | Yes | | | plants | genus | 212275 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| alnus glutinosa | Yes | species | eukaryota | plants | species | 3517 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| alternanthera ficoidea | Yes | species | eukaryota | plants | species | 326744 | click here |
| alternanthera philoxeroides | Yes | species | eukaryota | plants | species | 381410 | click here |
| amaranthus hypochondriacus | Yes | species | eukaryota | plants | species | 28502 | click here |
| amauroderma | Yes | | | plants | genus | 34472 | click here |
| amauroderma rugosum | Yes | species | eukaryota | plants | species | 483017 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amomum villosum | Yes | species | eukaryota | plants | species | 199627 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| amphimedon viridis | Yes | species | eukaryota | invertebrates | species | 178517 | click here |
| anacamptis laxiflora | Yes | species | eukaryota | plants | species | 59336 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| ancistrocladus korupensis | Yes | species | eukaryota | plants | species | 63089 | click here |
| andropogon gerardii | Yes | species | eukaryota | plants | species | 79824 | click here |
| anemone | Yes | | | plants | genus | 22868 | click here |
| anemone coronaria | Yes | species | eukaryota | plants | species | 167998 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| annona cherimola | Yes | species | eukaryota | plants | species | 49314 | click here |
| anoectochilus roxburghii | Yes | species | eukaryota | plants | species | 569774 | click here |
| anthopleura xanthogrammica | Yes | species | eukaryota | invertebrates | species | 6112 | click here |
| anthozoa | Yes | | | invertebrates | class | 6101 | click here |
| aphyllorchis caudata | Yes | species | eukaryota | plants | species | 667034 | click here |
| aphyllorchis montana | Yes | species | eukaryota | plants | species | 666370 | click here |
| apium graveolens | Yes | species | eukaryota | plants | species | 4045 | click here |
| aplysina cavernicola | Yes | species | eukaryota | invertebrates | species | 121477 | click here |
| apterostigma | Yes | | | invertebrates | genus | 34696 | click here |
| aquilaria crassna | Yes | species | eukaryota | plants | species | 223751 | click here |
| aquilaria malaccensis | Yes | species | eukaryota | plants | species | 223753 | click here |
| aquilaria sinensis | Yes | species | eukaryota | plants | species | 210372 | click here |
| arabidopsis thaliana | Yes | species | eukaryota | plants | species | 3702 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| aralia cordata | Yes | species | eukaryota | plants | species | 29746 | click here |
| aralia nudicaulis | Yes | species | eukaryota | plants | species | 45207 | click here |
| araucaria angustifolia | Yes | species | eukaryota | plants | species | 56992 | click here |
| arbutus menziesii | Yes | species | eukaryota | plants | species | 82758 | click here |
| arbutus unedo | Yes | species | eukaryota | plants | species | 84005 | click here |
| arctoscopus japonicus | Yes | species | eukaryota | vertebrates | species | 148607 | click here |
| areca | Yes | | | plants | genus | 115440 | click here |
| areca catechu | Yes | species | eukaryota | plants | species | 184783 | click here |
| aristolochia chilensis | Yes | species | eukaryota | plants | species | 304180 | click here |
| armillaria | Yes | | | plants | genus | 47424 | click here |
| armillaria borealis | Yes | species | eukaryota | plants | species | 47425 | click here |
| armillaria mellea | Yes | species | eukaryota | plants | species | 47429 | click here |
| artemisia argyi | Yes | species | eukaryota | plants | species | 259893 | click here |
| artemisia indica | Yes | species | eukaryota | plants | species | 318067 | click here |
| artemisia princeps | Yes | species | eukaryota | plants | species | 223870 | click here |
| atractylodes macrocephala | Yes | species | eukaryota | plants | species | 265785 | click here |
| atriplex halimus | Yes | species | eukaryota | plants | species | 240028 | click here |
| atta bisphaerica | Yes | species | eukaryota | invertebrates | species | 592319 | click here |
| atta capiguara | Yes | species | eukaryota | invertebrates | species | 592320 | click here |
| atta cephalotes | Yes | species | eukaryota | invertebrates | species | 12957 | click here |
| atta sexdens rubropilosa | Yes | subspecies | eukaryota | invertebrates | subspecies | 64786 | click here |
| auricularia | Yes | | | plants | genus | 5230 | click here |
| auricularia cornea | Yes | species | | | species | 1238391 | click here |
| auricularia polytricha | Yes | species | eukaryota | plants | species | 29893 | click here |
| avenella flexuosa | Yes | species | eukaryota | plants | species | 29672 | click here |
| avicennia germinans | Yes | species | eukaryota | plants | species | 41378 | click here |
| avicennia marina | Yes | species | eukaryota | plants | species | 82927 | click here |
| azadirachta indica | Yes | species | eukaryota | plants | species | 124943 | click here |
| baccaurea ramiflora | Yes | species | eukaryota | plants | species | 566045 | click here |
| balanophora japonica | Yes | species | | | species | 1128102 | click here |
| baliospermum montanum | Yes | species | eukaryota | plants | species | 316758 | click here |
| bambusa | Yes | | | plants | genus | 4581 | click here |
| banisteriopsis | Yes | | | plants | genus | 151794 | click here |