| apodemus uralensis | Yes | species | eukaryota | rodents | species | 134910 | click here |
| apus apus | Yes | species | eukaryota | vertebrates | species | 8895 | click here |
| aquilaria malaccensis | Yes | species | eukaryota | plants | species | 223753 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| arbutus unedo | Yes | species | eukaryota | plants | species | 84005 | click here |
| arctocephalus gazella | Yes | species | eukaryota | mammals | species | 37190 | click here |
| ardeotis kori | Yes | species | eukaryota | vertebrates | species | 89386 | click here |
| argopecten purpuratus | Yes | species | eukaryota | invertebrates | species | 228297 | click here |
| armigeres subalbatus | Yes | species | eukaryota | invertebrates | species | 124917 | click here |
| arnebia euchroma | Yes | species | eukaryota | plants | species | 373122 | click here |
| arothron reticularis | Yes | species | eukaryota | vertebrates | species | 658176 | click here |
| artemisia princeps | Yes | species | eukaryota | plants | species | 223870 | click here |
| artemisia vulgaris | Yes | species | eukaryota | plants | species | 4220 | click here |
| arthrocnemum macrostachyum | Yes | species | eukaryota | plants | species | 239181 | click here |
| asbestopluma hypogea | Yes | species | eukaryota | invertebrates | species | 68561 | click here |
| ascidia mentula | Yes | species | eukaryota | invertebrates | species | 38561 | click here |
| ascophyllum nodosum | Yes | species | eukaryota | plants | species | 52969 | click here |
| asobara tabida | Yes | species | eukaryota | invertebrates | species | 58720 | click here |
| asphodelus aestivus | Yes | species | eukaryota | plants | species | 49698 | click here |
| astragalus tibetanus | Yes | species | | | species | 1131464 | click here |
| atelopus elegans | Yes | species | | | species | 1979394 | click here |
| atelopus limosus | Yes | species | | | species | 1264904 | click here |
| avicennia germinans | Yes | species | eukaryota | plants | species | 41378 | click here |
| avicennia marina | Yes | species | eukaryota | plants | species | 82927 | click here |
| axinyssa | Yes | | | invertebrates | genus | 237149 | click here |
| aythya ferina | Yes | species | eukaryota | vertebrates | species | 219593 | click here |
| azadirachta indica | Yes | species | eukaryota | plants | species | 124943 | click here |
| baccharis trimera | Yes | species | | | species | 1486033 | click here |
| bacteria | Yes | | | bacteria | superkingdom | 2 | click here |
| bactrocera correcta | Yes | species | eukaryota | invertebrates | species | 47773 | click here |
| bactrocera cucurbitae | Yes | species | eukaryota | invertebrates | species | 28588 | click here |
| bactrocera dorsalis | Yes | species | eukaryota | invertebrates | species | 27457 | click here |
| bactrocera minax | Yes | species | eukaryota | invertebrates | species | 104690 | click here |
| bactrocera tau | Yes | species | eukaryota | invertebrates | species | 137263 | click here |
| bactrocera zonata | Yes | species | eukaryota | invertebrates | species | 137042 | click here |
| bambusa tulda | Yes | species | eukaryota | plants | species | 292582 | click here |
| bemisia tabaci | Yes | species | eukaryota | invertebrates | species | 7038 | click here |
| beta vulgaris subsp. vulgaris | Yes | subspecies | eukaryota | plants | subspecies | 3555 | click here |
| betula pendula | Yes | species | eukaryota | plants | species | 3505 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| bistorta vivipara | Yes | species | eukaryota | plants | species | 371026 | click here |
| bivalvia | Yes | | | invertebrates | class | 6544 | click here |
| blattella germanica | Yes | species | eukaryota | invertebrates | species | 6973 | click here |
| blattodea | Yes | | | invertebrates | order | 85823 | click here |
| blommersia blommersae | Yes | species | eukaryota | vertebrates | species | 160222 | click here |
| bombus terrestris | Yes | species | eukaryota | invertebrates | species | 30195 | click here |
| bombyx mori | Yes | species | eukaryota | invertebrates | species | 7091 | click here |
| boophis elenae | Yes | species | eukaryota | vertebrates | species | 321777 | click here |
| boophis guibei | Yes | species | eukaryota | vertebrates | species | 321779 | click here |
| boophis idae | Yes | species | eukaryota | vertebrates | species | 252281 | click here |
| boophis luciae | Yes | species | eukaryota | vertebrates | species | 743288 | click here |
| boophis madagascariensis | Yes | species | eukaryota | vertebrates | species | 127644 | click here |
| boophis picturatus | Yes | species | eukaryota | vertebrates | species | 321789 | click here |
| boophis pyrrhus | Yes | species | eukaryota | vertebrates | species | 321790 | click here |
| boophis rhodoscelis | Yes | species | eukaryota | vertebrates | species | 321792 | click here |
| boophis roseipalmatus | Yes | species | eukaryota | vertebrates | species | 748778 | click here |
| borago officinalis | Yes | species | eukaryota | plants | species | 13363 | click here |
| bos | Yes | | | mammals | genus | 9903 | click here |
| bos frontalis | Yes | species | eukaryota | mammals | species | 30520 | click here |
| bos grunniens | Yes | species | eukaryota | mammals | species | 30521 | click here |
| bos indicus | Yes | species | eukaryota | mammals | species | 9915 | click here |
| bos mutus | Yes | species | eukaryota | mammals | species | 72004 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| bothriechis schlegelii | Yes | species | eukaryota | vertebrates | species | 44725 | click here |
| bothrops asper | Yes | species | eukaryota | vertebrates | species | 8722 | click here |
| bovidae | Yes | | | mammals | family | 9895 | click here |
| bovinae | Yes | | | mammals | subfamily | 27592 | click here |
| brachiaria | Yes | | | plants | genus | 59786 | click here |
| brachycaudus cardui | Yes | species | eukaryota | invertebrates | species | 224526 | click here |
| branta bernicla nigricans | Yes | subspecies | eukaryota | vertebrates | subspecies | 184714 | click here |
| branta canadensis | Yes | species | eukaryota | vertebrates | species | 8853 | click here |
| brassica elongata | Yes | species | eukaryota | plants | species | 308263 | click here |
| brassica napus | Yes | species | eukaryota | plants | species | 3708 | click here |
| brassica napus var. napus | Yes | varietas | eukaryota | plants | varietas | 138011 | click here |
| brassica oleracea var. botrytis | Yes | varietas | eukaryota | plants | varietas | 3715 | click here |
| brassica rapa | Yes | species | eukaryota | plants | species | 3711 | click here |
| brassica rapa subsp. pekinensis | Yes | subspecies | eukaryota | plants | subspecies | 51351 | click here |
| bubalus bubalis | Yes | species | eukaryota | mammals | species | 89462 | click here |
| bursaphelenchus xylophilus | Yes | species | eukaryota | invertebrates | species | 6326 | click here |
| busseola fusca | Yes | species | eukaryota | invertebrates | species | 236788 | click here |
| cairina moschata | Yes | species | eukaryota | vertebrates | species | 8855 | click here |
| cakile maritima | Yes | species | eukaryota | plants | species | 220483 | click here |
| calcinus obscurus | Yes | species | eukaryota | invertebrates | species | 177218 | click here |
| calidris canutus | Yes | species | eukaryota | vertebrates | species | 227173 | click here |
| calliphoridae | Yes | | | invertebrates | family | 7371 | click here |
| callithrix jacchus | Yes | species | eukaryota | primates | species | 9483 | click here |
| callosobruchus maculatus | Yes | species | eukaryota | invertebrates | species | 64391 | click here |
| callyspongia | Yes | | | invertebrates | genus | 178537 | click here |
| camellia sinensis | Yes | species | eukaryota | plants | species | 4442 | click here |
| camelus | Yes | | | mammals | genus | 9836 | click here |
| camelus dromedarius | Yes | species | eukaryota | mammals | species | 9838 | click here |
| cancer pagurus | Yes | species | eukaryota | invertebrates | species | 6755 | click here |
| canidae | Yes | | | mammals | family | 9608 | click here |
| canis | Yes | | | mammals | genus | 9611 | click here |
| canis lupus | Yes | species | eukaryota | mammals | species | 9612 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| canna flaccida | Yes | species | eukaryota | plants | species | 147184 | click here |
| cannabis sativa | Yes | species | eukaryota | plants | species | 3483 | click here |
| capra | Yes | | | mammals | genus | 9922 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |