| acacia | Yes | | | plants | genus | 3808 | click here |
| acacia confusa | Yes | species | eukaryota | plants | species | 3809 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acanthogobius flavimanus | Yes | species | eukaryota | vertebrates | species | 86203 | click here |
| accipiter nisus | Yes | species | eukaryota | vertebrates | species | 211598 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer campestre | Yes | species | eukaryota | plants | species | 66205 | click here |
| acer negundo | Yes | species | eukaryota | plants | species | 4023 | click here |
| acer palmatum | Yes | species | eukaryota | plants | species | 66201 | click here |
| acer platanoides | Yes | species | eukaryota | plants | species | 4025 | click here |
| acer tataricum | Yes | species | eukaryota | plants | species | 57650 | click here |
| acinonyx jubatus | Yes | species | eukaryota | mammals | species | 32536 | click here |
| aconitum tongolense | Yes | species | eukaryota | plants | species | 286041 | click here |
| acorus gramineus | Yes | species | eukaryota | plants | species | 55184 | click here |
| addax nasomaculatus | Yes | species | eukaryota | mammals | species | 59515 | click here |
| akodon montensis | Yes | species | eukaryota | rodents | species | 106112 | click here |
| albizia julibrissin | Yes | species | eukaryota | plants | species | 3813 | click here |
| alces alces | Yes | species | eukaryota | mammals | species | 9852 | click here |
| alectoris barbara | Yes | species | eukaryota | vertebrates | species | 40177 | click here |
| alectoris rufa | Yes | species | eukaryota | vertebrates | species | 9079 | 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 |
| amaurornis phoenicurus | Yes | species | eukaryota | vertebrates | species | 261959 | click here |
| ambassis commersoni | Yes | species | | | species | 1326872 | click here |
| ameiurus nebulosus | Yes | species | eukaryota | vertebrates | species | 27778 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| anas platyrhynchos | Yes | species | eukaryota | vertebrates | species | 8839 | click here |
| anser caerulescens | Yes | species | eukaryota | vertebrates | species | 8849 | click here |
| anser cygnoides domesticus | Yes | subspecies | eukaryota | vertebrates | subspecies | 381198 | click here |
| anser indicus | Yes | species | eukaryota | vertebrates | species | 8846 | click here |
| antechinus swainsonii | Yes | species | eukaryota | mammals | species | 9284 | click here |
| antilocapra americana | Yes | species | eukaryota | mammals | species | 9891 | click here |
| apodemus agrarius | Yes | species | eukaryota | rodents | species | 39030 | click here |
| apodemus flavicollis | Yes | species | eukaryota | rodents | species | 54292 | click here |
| apodemus peninsulae | Yes | species | eukaryota | rodents | species | 105297 | click here |
| apodemus sylvaticus | Yes | species | eukaryota | rodents | species | 10129 | click here |
| aquila chrysaetos | Yes | species | eukaryota | vertebrates | species | 8962 | click here |
| aquila rapax | Yes | species | eukaryota | vertebrates | species | 252781 | click here |
| ardea alba | Yes | species | eukaryota | vertebrates | species | 110620 | click here |
| ardea herodias | Yes | species | eukaryota | vertebrates | species | 56072 | click here |
| ardeola bacchus | Yes | species | eukaryota | vertebrates | species | 188375 | click here |
| artemisia | Yes | | | plants | genus | 4219 | click here |
| arvicanthis niloticus | Yes | species | eukaryota | rodents | species | 61156 | click here |
| arvicola amphibius | Yes | species | | | species | 1047088 | click here |
| arvicola scherman | Yes | species | | | species | 1276134 | click here |
| asio otus | Yes | species | eukaryota | vertebrates | species | 111810 | click here |
| asparagus | Yes | | | plants | genus | 4685 | click here |
| athene noctua | Yes | species | eukaryota | vertebrates | species | 126797 | click here |
| atractosteus spatula | Yes | species | eukaryota | vertebrates | species | 7917 | click here |
| atractosteus tropicus | Yes | species | eukaryota | vertebrates | species | 512342 | click here |
| austrocidaria | Yes | | | | genus | 1368938 | click here |
| bambusa tuldoides | Yes | species | eukaryota | plants | species | 318046 | click here |
| bandicota bengalensis | Yes | species | eukaryota | rodents | species | 69079 | click here |
| bandicota indica | Yes | species | eukaryota | rodents | species | 456472 | 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 |
| bison bison | Yes | species | eukaryota | mammals | species | 9901 | click here |
| bison bison bison | Yes | subspecies | | | subspecies | 43346 | click here |
| bison bonasus | Yes | species | eukaryota | mammals | species | 9902 | click here |
| blechnum orientale | Yes | species | eukaryota | plants | species | 29606 | click here |
| bombus bimaculatus | Yes | species | eukaryota | invertebrates | species | 309944 | click here |
| bombus impatiens | Yes | species | eukaryota | invertebrates | species | 132113 | click here |
| bombus pseudobaicalensis | Yes | species | eukaryota | invertebrates | species | 130709 | click here |
| bombus vagans | Yes | species | eukaryota | invertebrates | species | 239131 | click here |
| bos indicus | Yes | species | eukaryota | mammals | species | 9915 | click here |
| bos mutus | Yes | species | eukaryota | mammals | species | 72004 | click here |
| bos primigenius | Yes | species | eukaryota | mammals | species | 9909 | click here |
| bos taurus | Yes | species | eukaryota | mammals | species | 9913 | click here |
| branta bernicla | Yes | species | eukaryota | vertebrates | species | 184712 | click here |
| broussonetia papyrifera | Yes | species | eukaryota | plants | species | 172644 | click here |
| bubalus bubalis | Yes | species | eukaryota | mammals | species | 89462 | click here |
| bubulcus ibis | Yes | species | eukaryota | vertebrates | species | 110668 | click here |
| buteo buteo | Yes | species | eukaryota | vertebrates | species | 30397 | click here |
| buxus | Yes | | | plants | genus | 4001 | click here |
| caiman crocodilus | Yes | species | eukaryota | vertebrates | species | 8499 | click here |
| camellia sinensis | Yes | species | eukaryota | plants | species | 4442 | click here |
| camelus | Yes | | | mammals | genus | 9836 | click here |
| camelus bactrianus | Yes | species | eukaryota | mammals | species | 9837 | click here |
| camelus dromedarius | Yes | species | eukaryota | mammals | species | 9838 | click here |
| camelus sp. | Yes | no rank | eukaryota | mammals | species | 30536 | click here |
| canidae | Yes | | | mammals | family | 9608 | click here |
| canis adustus | Yes | species | eukaryota | mammals | species | 68723 | click here |
| canis aureus | Yes | species | eukaryota | mammals | species | 68724 | click here |
| canis latrans | Yes | species | eukaryota | mammals | species | 9614 | click here |
| canis lupus | Yes | species | eukaryota | mammals | species | 9612 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| canis lupus signatus | Yes | subspecies | eukaryota | mammals | subspecies | 425934 | click here |
| canis mesomelas | Yes | species | eukaryota | mammals | species | 68725 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |
| capreolus capreolus | Yes | species | eukaryota | mammals | species | 9858 | click here |
| caryota maxima | Yes | species | | | species | 1009338 | click here |
| castor fiber | Yes | species | eukaryota | rodents | species | 10185 | click here |
| catostomus commersonii | Yes | species | eukaryota | vertebrates | species | 7971 | click here |
| cavia aperea | Yes | species | eukaryota | rodents | species | 37548 | click here |
| cavia porcellus | Yes | species | eukaryota | rodents | species | 10141 | click here |
| ceiba speciosa | Yes | species | eukaryota | plants | species | 82382 | click here |
| cerapteryx graminis | Yes | species | eukaryota | invertebrates | species | 980960 | click here |
| cercopithecus albogularis | Yes | species | eukaryota | primates | species | 867370 | click here |