| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abutilon theophrasti | Yes | species | eukaryota | plants | species | 3631 | click here |
| abutilon x hybridum | Yes | subspecies | eukaryota | plants | species | 93741 | click here |
| acalypha australis | Yes | species | eukaryota | plants | species | 720869 | click here |
| accipiter striatus | Yes | species | eukaryota | vertebrates | species | 56330 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| achyranthes aspera | Yes | species | eukaryota | plants | species | 240005 | click here |
| achyranthes bidentata | Yes | species | eukaryota | plants | species | 384659 | click here |
| acidomyces richmondensis | Yes | species | eukaryota | plants | species | 245562 | click here |
| acorus calamus | Yes | species | eukaryota | plants | species | 4465 | click here |
| acrocephalus scirpaceus | Yes | species | eukaryota | vertebrates | species | 48156 | click here |
| actinidia | Yes | | | plants | genus | 3624 | click here |
| actinidia chinensis | Yes | species | eukaryota | plants | species | 3625 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| acyrthosiphon pisum | Yes | species | eukaryota | invertebrates | species | 7029 | click here |
| adenium obesum | Yes | species | eukaryota | plants | species | 69375 | click here |
| aedeomyia squamipennis | Yes | species | eukaryota | invertebrates | species | 139058 | click here |
| aedes | Yes | | | invertebrates | genus | 7158 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aedes aegypti aegypti | Yes | subspecies | | | subspecies | 1424507 | click here |
| aedes aegypti formosus | Yes | subspecies | | | subspecies | 1769044 | click here |
| aedes africanus | Yes | species | eukaryota | invertebrates | species | 667568 | click here |
| aedes alboannulatus | Yes | species | | | species | 1806178 | click here |
| aedes albopictus | Yes | species | eukaryota | invertebrates | species | 7160 | click here |
| aedes alternans | Yes | species | eukaryota | invertebrates | species | 569587 | click here |
| aedes bromeliae | Yes | species | | | species | 1397682 | click here |
| aedes cinereus | Yes | species | eukaryota | invertebrates | species | 120872 | click here |
| aedes dalzieli | Yes | species | | | species | 503350 | click here |
| aedes dentatus | Yes | species | | invertebrates | species | | click here |
| aedes durbanensis | Yes | species | | invertebrates | species | | click here |
| aedes furcifer | Yes | species | eukaryota | invertebrates | species | 299627 | click here |
| aedes geniculatus | Yes | species | eukaryota | invertebrates | species | 120874 | click here |
| aedes koreicus | Yes | species | eukaryota | invertebrates | species | 586676 | click here |
| aedes luteocephalus | Yes | species | eukaryota | invertebrates | species | 299629 | click here |
| aedes notoscriptus | Yes | species | eukaryota | invertebrates | species | 508665 | click here |
| aedes ochraceus | Yes | species | | invertebrates | species | 450822 | click here |
| aedes polynesiensis | Yes | species | eukaryota | invertebrates | species | 188700 | click here |
| aedes pseudoscutellaris | Yes | species | eukaryota | invertebrates | species | 316597 | click here |
| aedes riversi | Yes | species | eukaryota | invertebrates | species | 373849 | click here |
| aedes rossicus | Yes | species | | | species | 761982 | click here |
| aedes simpsoni | Yes | species | eukaryota | invertebrates | species | 7161 | click here |
| aedes sp. | Yes | no rank | eukaryota | invertebrates | species | 37951 | click here |
| aedes taylori | Yes | species | eukaryota | invertebrates | species | 299628 | click here |
| aedes togoi | Yes | species | eukaryota | invertebrates | species | 55967 | click here |
| aedes tremulus | Yes | species | | | species | 1806181 | click here |
| aedes vexans | Yes | species | eukaryota | invertebrates | species | 7163 | click here |
| aedes vexans nipponii | Yes | subspecies | | | subspecies | 1214271 | click here |
| aedes vittatus | Yes | species | eukaryota | invertebrates | species | 317808 | click here |
| agapanthus | Yes | | | plants | genus | 51426 | click here |
| agaricus bisporus | Yes | species | eukaryota | plants | species | 5341 | click here |
| agastache rugosa | Yes | species | eukaryota | plants | species | 39271 | click here |
| agelaius phoeniceus | Yes | species | eukaryota | vertebrates | species | 39638 | click here |
| ageratum conyzoides | Yes | species | eukaryota | plants | species | 68299 | click here |
| ageratum houstonianum | Yes | species | eukaryota | plants | species | 55598 | click here |
| agrimonia | Yes | | | plants | genus | 23137 | click here |
| agrostemma githago | Yes | species | eukaryota | plants | species | 39848 | click here |
| ailanthus altissima | Yes | species | eukaryota | plants | species | 23810 | click here |
| ailurus fulgens | Yes | species | eukaryota | mammals | species | 9649 | click here |
| akodon | Yes | | | rodents | genus | 10069 | click here |
| akodon azarae | Yes | species | eukaryota | rodents | species | 29095 | click here |
| alcea rosea | Yes | species | eukaryota | plants | species | 65557 | click here |
| alces americanus | Yes | species | eukaryota | mammals | species | 999462 | click here |
| alectoris chukar | Yes | species | eukaryota | vertebrates | species | 9078 | click here |
| alectoris graeca | Yes | species | eukaryota | vertebrates | species | 40178 | click here |
| aleyrodoidea | Yes | | | invertebrates | superfamily | 33377 | click here |
| allamanda cathartica | Yes | species | eukaryota | plants | species | 52818 | click here |
| alliaria petiolata | Yes | species | eukaryota | plants | species | 126270 | click here |
| allium ampeloprasum | Yes | species | eukaryota | plants | species | 4681 | click here |
| allium caeruleum | Yes | species | eukaryota | plants | species | 138318 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| allium karataviense | Yes | species | eukaryota | plants | species | 70761 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| alouatta belzebul | Yes | species | eukaryota | primates | species | 30590 | click here |
| alouatta caraya | Yes | species | eukaryota | primates | species | 9502 | click here |
| alouatta pigra | Yes | species | eukaryota | primates | species | 182253 | click here |
| alouatta seniculus | Yes | species | eukaryota | primates | species | 9503 | click here |
| alstroemeria | Yes | | | plants | genus | 56741 | click here |
| alstroemeria hybrid cultivar | Yes | subspecies | eukaryota | plants | species | 160839 | click here |
| alstroemeria sp. | Yes | no rank | eukaryota | plants | species | 59035 | click here |
| alternanthera philoxeroides | Yes | species | eukaryota | plants | species | 381410 | click here |
| alternaria brassicicola | Yes | species | eukaryota | plants | species | 29001 | click here |
| althaea officinalis | Yes | species | eukaryota | plants | species | 145745 | click here |
| amaranthus | Yes | | | plants | genus | 3564 | click here |
| amaranthus blitum | Yes | species | eukaryota | plants | species | 338571 | click here |
| amaranthus retroflexus | Yes | species | eukaryota | plants | species | 124763 | click here |
| amaranthus tricolor | Yes | species | eukaryota | plants | species | 29722 | click here |
| amaranthus viridis | Yes | species | eukaryota | plants | species | 56196 | click here |
| amaryllis | Yes | | | plants | genus | 51431 | click here |
| amazona aestiva | Yes | species | eukaryota | vertebrates | species | 12930 | click here |
| amblyomma variegatum | Yes | species | eukaryota | invertebrates | species | 34610 | click here |
| ammi majus | Yes | species | eukaryota | plants | species | 48026 | click here |
| ammospermophilus nelsoni | Yes | species | | | species | 2502157 | click here |
| amphorophora agathonica | Yes | species | eukaryota | invertebrates | species | 527518 | click here |
| anagallis foemina | Yes | species | eukaryota | plants | species | 357596 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anas querquedula | Yes | species | eukaryota | vertebrates | species | 75856 | click here |
| anasa tristis | Yes | species | eukaryota | invertebrates | species | 236421 | click here |
| anchusa officinalis | Yes | species | eukaryota | plants | species | 89630 | click here |
| anemone | Yes | | | plants | genus | 22868 | click here |