| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abelmoschus manihot | Yes | species | eukaryota | plants | species | 183220 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies balsamea | Yes | species | eukaryota | plants | species | 90345 | click here |
| abies lasiocarpa | Yes | species | eukaryota | plants | species | 34340 | click here |
| acacia | Yes | | | plants | genus | 3808 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer macrophyllum | Yes | species | eukaryota | plants | species | 66211 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| adiantum capillus-veneris | Yes | no rank | eukaryota | plants | species | 13818 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aepyceros melampus | Yes | species | eukaryota | mammals | species | 9897 | click here |
| aesculus hippocastanum | Yes | species | eukaryota | plants | species | 43364 | click here |
| agapornis fischeri | Yes | species | eukaryota | vertebrates | species | 60463 | click here |
| agapornis roseicollis | Yes | species | eukaryota | vertebrates | species | 60468 | click here |
| agathis australis | Yes | species | eukaryota | plants | species | 58027 | click here |
| agave salmiana | Yes | species | eukaryota | plants | species | 332343 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| ageratum conyzoides | Yes | species | eukaryota | plants | species | 68299 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| alcelaphus buselaphus | Yes | species | eukaryota | mammals | species | 59517 | click here |
| allisonia cockaynei | Yes | species | eukaryota | plants | species | 269522 | 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 |
| aloe vera | Yes | species | eukaryota | plants | species | 34199 | click here |
| althaea officinalis | Yes | species | eukaryota | plants | species | 145745 | click here |
| amaranthus | Yes | | | plants | genus | 3564 | click here |
| amaranthus hypochondriacus | Yes | species | eukaryota | plants | species | 28502 | click here |
| amaranthus tricolor | Yes | species | eukaryota | plants | species | 29722 | click here |
| amauroderma rugosum | Yes | species | eukaryota | plants | species | 483017 | click here |
| ambrosia artemisiifolia | Yes | species | eukaryota | plants | species | 4212 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| andrographis paniculata | Yes | species | eukaryota | plants | species | 175694 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anisoplia austriaca | Yes | species | | | species | 1962506 | click here |
| anogramma leptophylla | Yes | species | eukaryota | plants | species | 220730 | click here |
| anthoceros | Yes | | | plants | genus | 3233 | click here |
| anthoceros agrestis | Yes | species | eukaryota | plants | species | 41834 | click here |
| anthoceros laminiferus | Yes | species | eukaryota | plants | species | 263837 | click here |
| anthoceros punctatus | Yes | species | eukaryota | plants | species | 3234 | click here |
| antilocapra americana | Yes | species | eukaryota | mammals | species | 9891 | click here |
| apis mellifera | Yes | species | eukaryota | invertebrates | species | 7460 | click here |
| apis mellifera jemenitica | Yes | subspecies | eukaryota | invertebrates | subspecies | 346611 | click here |
| apoidea | Yes | | | invertebrates | superfamily | 34735 | 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 arenosa | Yes | species | eukaryota | plants | species | 38785 | click here |
| arabidopsis thaliana | Yes | species | eukaryota | plants | species | 3702 | click here |
| arabis alpina | Yes | species | eukaryota | plants | species | 50452 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| aralia nudicaulis | Yes | species | eukaryota | plants | species | 45207 | click here |
| arbutus menziesii | Yes | species | eukaryota | plants | species | 82758 | click here |
| arbutus unedo | Yes | species | eukaryota | plants | species | 84005 | click here |
| artocarpus heterophyllus | Yes | species | eukaryota | plants | species | 3489 | click here |
| asclepias speciosa | Yes | species | eukaryota | plants | species | 528299 | click here |
| ascophyllum nodosum | Yes | species | eukaryota | plants | species | 52969 | click here |
| aspergillus flavus | Yes | species | eukaryota | plants | species | 5059 | click here |
| atractylodes macrocephala | Yes | species | eukaryota | plants | species | 265785 | click here |
| atractylodes ovata | Yes | species | eukaryota | plants | species | 69407 | click here |
| atta capiguara | Yes | species | eukaryota | invertebrates | species | 592320 | click here |
| auricularia polytricha | Yes | species | eukaryota | plants | species | 29893 | click here |
| avena sativa | Yes | species | eukaryota | plants | species | 4498 | click here |
| aves | Yes | | | vertebrates | class | 8782 | click here |
| balanophora japonica | Yes | species | | | species | 1128102 | click here |
| bertholletia excelsa | Yes | species | eukaryota | plants | species | 3645 | click here |
| beta vulgaris | Yes | species | eukaryota | plants | species | 161934 | click here |
| beta vulgaris subsp. vulgaris | Yes | subspecies | eukaryota | plants | subspecies | 3555 | click here |
| betula | Yes | | | plants | genus | 3504 | click here |
| betula davurica | Yes | species | eukaryota | plants | species | 253224 | click here |
| betula papyrifera | Yes | species | eukaryota | plants | species | 3507 | click here |
| bidens pilosa | Yes | species | eukaryota | plants | species | 42337 | click here |
| boletus | Yes | | | plants | genus | 5369 | click here |
| bombyx mori | Yes | species | eukaryota | invertebrates | species | 7091 | click here |
| bos grunniens | Yes | species | eukaryota | mammals | species | 30521 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bovinae | Yes | | | mammals | subfamily | 27592 | click here |
| brachypodium | Yes | | | plants | genus | 15367 | click here |
| brachypodium rupestre | Yes | species | eukaryota | plants | species | 52143 | click here |
| brassica napus | Yes | species | eukaryota | plants | species | 3708 | click here |
| brassica oleracea | Yes | species | eukaryota | plants | species | 3712 | click here |
| brassica oleracea var. capitata | Yes | varietas | eukaryota | plants | varietas | 3716 | click here |
| brassica rapa subsp. chinensis | Yes | subspecies | eukaryota | plants | subspecies | 93385 | click here |
| brassica rapa subsp. pekinensis | Yes | subspecies | eukaryota | plants | subspecies | 51351 | 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 |
| broussonetia papyrifera | Yes | species | eukaryota | plants | species | 172644 | click here |
| buxus sempervirens | Yes | species | eukaryota | plants | species | 4002 | click here |
| cairina moschata | Yes | species | eukaryota | vertebrates | species | 8855 | click here |
| camellia chekiangoleosa | Yes | species | eukaryota | plants | species | 450940 | click here |
| camellia sinensis | Yes | species | eukaryota | plants | species | 4442 | click here |
| camptotheca acuminata | Yes | species | eukaryota | plants | species | 16922 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| capparis spinosa | Yes | species | eukaryota | plants | species | 65558 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |