| 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 oleracea var. capitata | Yes | varietas | eukaryota | plants | varietas | 3716 | click here |
| brassica oleracea var. viridis | Yes | varietas | eukaryota | plants | varietas | 3713 | 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 |
| brucea javanica | Yes | species | eukaryota | plants | species | 210348 | click here |
| brugmansia aurea | Yes | species | eukaryota | plants | species | 374040 | click here |
| bruguiera gymnorhiza | Yes | species | eukaryota | plants | species | 39984 | click here |
| bruguiera sexangula | Yes | species | eukaryota | plants | species | 98584 | click here |
| bruguiera sexangula var. rhynchopetala | Yes | varietas | eukaryota | plants | varietas | 157701 | click here |
| bryozoa | Yes | | | invertebrates | phylum | 10205 | click here |
| bryum argenteum | Yes | species | eukaryota | plants | species | 37413 | click here |
| bubalus bubalis | Yes | species | eukaryota | mammals | species | 89462 | click here |
| bubo virginianus | Yes | species | eukaryota | vertebrates | species | 56268 | click here |
| bucorvus abyssinicus | Yes | species | eukaryota | vertebrates | species | 153643 | click here |
| bugula neritina | Yes | species | eukaryota | invertebrates | species | 10212 | click here |
| bugula plumosa | Yes | species | | | species | 1118968 | click here |
| bulbitermes | Yes | | | invertebrates | genus | 229645 | click here |
| bulbophyllum guttulatum | Yes | species | | | species | 1470449 | click here |
| bupleurum | Yes | | | plants | genus | 46366 | click here |
| cacospongia | Yes | | | invertebrates | genus | 121496 | click here |
| caesalpinia echinata | Yes | species | eukaryota | plants | species | 372551 | click here |
| cairina moschata | Yes | species | eukaryota | vertebrates | species | 8855 | click here |
| cajanus cajan | Yes | species | eukaryota | plants | species | 3821 | click here |
| calamus castaneus | Yes | species | eukaryota | plants | species | 93239 | click here |
| calamus thwaitesii | Yes | species | | | species | 858473 | click here |
| calendula officinalis | Yes | species | eukaryota | plants | species | 41496 | click here |
| calluna vulgaris | Yes | species | eukaryota | plants | species | 13385 | click here |
| callyspongia | Yes | | | invertebrates | genus | 178537 | click here |
| callyspongia siphonella | Yes | species | eukaryota | invertebrates | species | 469330 | click here |
| calotropis procera | Yes | species | eukaryota | plants | species | 141467 | click here |
| camellia chekiangoleosa | Yes | species | eukaryota | plants | species | 450940 | click here |
| camellia oleifera | Yes | species | eukaryota | plants | species | 385388 | click here |
| camellia sinensis | Yes | species | eukaryota | plants | species | 4442 | click here |
| camponotus chromaiodes | Yes | species | eukaryota | invertebrates | species | 251251 | click here |
| camponotus japonicus | Yes | species | eukaryota | invertebrates | species | 84547 | click here |
| camptotheca acuminata | Yes | species | eukaryota | plants | species | 16922 | click here |
| canidae | Yes | | | mammals | family | 9608 | click here |
| canis lupus familiaris | Yes | subspecies | eukaryota | mammals | subspecies | 9615 | click here |
| cannabis | Yes | | | plants | genus | 3482 | click here |
| cannabis sativa | Yes | species | eukaryota | plants | species | 3483 | click here |
| cannomys badius | Yes | species | | | species | 1392512 | click here |
| capparis spinosa | Yes | species | eukaryota | plants | species | 65558 | click here |
| capra hircus | Yes | species | eukaryota | mammals | species | 9925 | click here |
| capsicum | Yes | | | plants | genus | 4071 | click here |
| capsicum annuum | Yes | species | eukaryota | plants | species | 4072 | click here |
| capsicum annuum var. annuum | Yes | varietas | eukaryota | plants | varietas | 40321 | click here |
| capsicum frutescens | Yes | species | eukaryota | plants | species | 4073 | click here |
| caragana microphylla | Yes | species | eukaryota | plants | species | 220690 | click here |
| carapa guianensis | Yes | species | eukaryota | plants | species | 201012 | click here |
| carcharodon carcharias | Yes | species | eukaryota | vertebrates | species | 13397 | click here |
| carica papaya | Yes | species | eukaryota | plants | species | 3649 | click here |
| carijoa | Yes | | | invertebrates | genus | 360971 | click here |
| carollia perspicillata | Yes | species | eukaryota | mammals | species | 40233 | click here |
| caroxylon imbricatum | Yes | species | | | species | 1194693 | click here |
| caroxylon passerinum | Yes | species | eukaryota | plants | species | 151258 | click here |
| carpinus caroliniana | Yes | species | eukaryota | plants | species | 12991 | click here |
| carpobrotus edulis | Yes | species | eukaryota | plants | species | 379215 | click here |
| carpophilus brachypterus | Yes | species | | | species | 1845018 | click here |
| carthamus oxyacanthus | Yes | species | eukaryota | plants | species | 122010 | click here |
| carum carvi | Yes | species | eukaryota | plants | species | 48032 | click here |
| cassia fistula | Yes | species | eukaryota | plants | species | 53852 | click here |
| castanea sativa | Yes | species | eukaryota | plants | species | 21020 | click here |
| casuarina equisetifolia | Yes | species | eukaryota | plants | species | 3523 | click here |
| casuarina junghuhniana | Yes | species | eukaryota | plants | species | 418441 | click here |
| catharanthus roseus | Yes | species | eukaryota | plants | species | 4058 | click here |
| catocala piatrix | Yes | species | eukaryota | invertebrates | species | 500500 | click here |
| cattleya brevipedunculata | Yes | species | eukaryota | plants | species | 123203 | click here |
| caulerpa peltata | Yes | species | eukaryota | plants | species | 177073 | click here |
| caulerpa racemosa | Yes | species | eukaryota | plants | species | 76317 | click here |
| cecropia | Yes | | | plants | genus | 77071 | click here |
| celosia cristata | Yes | species | eukaryota | plants | species | 124768 | click here |
| celtica gigantea | Yes | species | eukaryota | plants | species | 487940 | click here |
| celtis africana | Yes | species | eukaryota | plants | species | 266494 | click here |
| celtis australis | Yes | species | eukaryota | plants | species | 236733 | click here |
| cenchrus americanus | Yes | species | eukaryota | plants | species | 4543 | click here |
| centaurea stoebe | Yes | species | eukaryota | plants | species | 72152 | click here |
| centella asiatica | Yes | species | eukaryota | plants | species | 48106 | click here |
| cephalotaxus fortunei | Yes | species | eukaryota | plants | species | 66169 | click here |
| cephalotaxus hainanensis | Yes | species | eukaryota | plants | species | 191701 | click here |
| cephalotaxus mannii | Yes | species | eukaryota | plants | species | 89483 | click here |
| ceramium japonicum | Yes | species | eukaryota | plants | species | 218448 | click here |
| ceratonia siliqua | Yes | species | eukaryota | plants | species | 20340 | click here |
| cerbera manghas | Yes | species | eukaryota | plants | species | 141545 | click here |
| cercidiphyllum japonicum | Yes | species | eukaryota | plants | species | 13413 | click here |
| cereus jamacaru | Yes | species | | | species | 1574107 | click here |
| ceriops tagal | Yes | species | eukaryota | plants | species | 61143 | click here |
| cervidae | Yes | | | mammals | family | 9850 | click here |
| cetrelia | Yes | | | plants | genus | 84121 | click here |
| chaetomorpha | Yes | | | plants | genus | 3185 | click here |
| champia | Yes | | | plants | genus | 39625 | click here |
| champia parvula | Yes | species | eukaryota | plants | species | 437227 | click here |
| chenopodium | Yes | | | plants | genus | 3558 | click here |
| chenopodium album | Yes | species | eukaryota | plants | species | 3559 | click here |
| chenopodium quinoa | Yes | species | eukaryota | plants | species | 63459 | click here |
| chinchilla | Yes | | | rodents | genus | 10151 | click here |