| aspergillus flavus | Yes | species | eukaryota | plants | species | 5059 | click here |
| aspergillus fumigatus | Yes | species | eukaryota | plants | species | 746128 | click here |
| aspergillus niger | Yes | species | eukaryota | plants | species | 5061 | click here |
| aspergillus sydowii | Yes | species | eukaryota | plants | species | 75750 | click here |
| asplundia environmental sample | Yes | no rank | | | species | 1096668 | click here |
| atopobium fossor dsm 15642 | Yes | no rank | | | no rank | 1121023 | click here |
| aura virus | Yes | species | viruses and viroids | viruses | species | 44158 | click here |
| australian bat lyssavirus | Yes | species | viruses and viroids | viruses | species | 90961 | click here |
| babesia bicornis | Yes | species | eukaryota | invertebrates | species | 176664 | click here |
| babesia bovis | Yes | species | eukaryota | invertebrates | species | 5865 | click here |
| babesia caballi | Yes | species | eukaryota | invertebrates | species | 5871 | click here |
| babesia canis | Yes | species | eukaryota | invertebrates | species | 5867 | click here |
| babesia capreoli | Yes | species | eukaryota | invertebrates | species | 308426 | click here |
| babesia gibsoni | Yes | species | eukaryota | invertebrates | species | 33632 | click here |
| babesia microti | Yes | species | eukaryota | invertebrates | species | 5868 | click here |
| babesia occultans | Yes | species | eukaryota | invertebrates | species | 536930 | click here |
| babesia ovis | Yes | species | eukaryota | invertebrates | species | 5869 | click here |
| babesia sp. dk208 | Yes | no rank | | | species | 1578820 | click here |
| babesia sp. 'spanish dog' | Yes | no rank | eukaryota | invertebrates | species | 124861 | click here |
| bacilli bacterium | Yes | species | | | species | 1903720 | click here |
| bacillus anthracis | Yes | species | bacteria | bacteria | species | 1392 | click here |
| bacillus cereus e33l | Yes | no rank | bacteria | bacteria | no rank | 288681 | click here |
| bacillus coagulans | Yes | species | bacteria | bacteria | species | 1398 | click here |
| bacillus licheniformis | Yes | species | bacteria | bacteria | species | 1402 | click here |
| bacillus sp. 17b | Yes | no rank | bacteria | bacteria | species | 381619 | click here |
| bacillus sp. 17d | Yes | no rank | bacteria | bacteria | species | 381620 | click here |
| bacillus subtilis | Yes | species | bacteria | bacteria | species | 1423 | click here |
| bacterium | Yes | no rank | | | species | 1869227 | click here |
| bacteroidales bacterium | Yes | species | | | species | 2030927 | click here |
| bacteroides heparinolyticus | Yes | species | bacteria | bacteria | species | 28113 | click here |
| bacteroides sp. an 5745 | Yes | no rank | | | species | 1658842 | click here |
| bacteroidetes bacterium | Yes | species | | | species | 1898104 | click here |
| balamuthia mandrillaris | Yes | species | eukaryota | invertebrates | species | 66527 | click here |
| barmah forest virus | Yes | species | viruses and viroids | viruses | species | 11020 | click here |
| bartonella bovis | Yes | species | bacteria | bacteria | species | 155194 | click here |
| bartonella melophagi | Yes | species | bacteria | bacteria | species | 291176 | click here |
| bat coronavirus | Yes | species | | | species | 1508220 | click here |
| berne virus | Yes | no rank | viruses and viroids | viruses | no rank | 11156 | click here |
| besnoitia bennetti | Yes | species | eukaryota | invertebrates | species | 280174 | click here |
| betacoronavirus 1 | Yes | species | viruses and viroids | viruses | species | 694003 | click here |
| bidentostomum ivashkini | Yes | species | | | species | 1678060 | click here |
| bifidobacterium pseudolongum subsp. globosum | Yes | subspecies | bacteria | bacteria | subspecies | 1690 | click here |
| bifidobacterium pseudolongum subsp. pseudolongum | Yes | subspecies | bacteria | bacteria | subspecies | 31954 | click here |
| bivitellobilharzia nairi | Yes | species | eukaryota | invertebrates | species | 307261 | click here |
| blastocystis hominis | Yes | species | eukaryota | plants | species | 12968 | click here |
| blastocystis sp. | Yes | species | eukaryota | plants | species | 46767 | click here |
| blastocystis sp. subtype 10 | Yes | no rank | eukaryota | plants | species | 944207 | click here |
| blepharoconus hemiciliatus | Yes | species | | | species | 1299438 | click here |
| blepharocorys angusta | Yes | species | | | species | 1298946 | click here |
| blepharocorys jubata | Yes | species | | | species | 1298947 | click here |
| blepharocorys microcorys | Yes | species | | | species | 1298797 | click here |
| blepharocorys uncinata | Yes | species | eukaryota | invertebrates | species | 686991 | click here |
| bluetongue virus | Yes | species | viruses and viroids | viruses | species | 40051 | click here |
| bordetella bronchiseptica | Yes | species | bacteria | bacteria | species | 518 | click here |
| bordetella bronchiseptica 7e71 | Yes | no rank | | | no rank | 1331201 | click here |
| bordetella bronchiseptica mbord624 | Yes | no rank | | | no rank | 1331221 | click here |
| bordetella bronchiseptica mbord632 | Yes | no rank | | | no rank | 1331222 | click here |
| bordetella bronchiseptica mbord731 | Yes | no rank | | | no rank | 1331232 | click here |
| borna disease virus | Yes | species | viruses and viroids | viruses | species | 12455 | click here |
| borna disease virus 1 | Yes | no rank | | | no rank | 1714621 | click here |
| borna disease virus 2 | Yes | no rank | | | no rank | 1714622 | click here |
| borrelia sp. efl-s0100110 | Yes | no rank | bacteria | bacteria | species | 170837 | click here |
| borrelia theileri | Yes | species | bacteria | bacteria | species | 43082 | click here |
| borreliella burgdorferi | Yes | species | bacteria | bacteria | species | 139 | click here |
| bos taurus papillomavirus 2 | Yes | isolate | | | isolate | 2758382 | click here |
| bovine enterovirus type 1 | Yes | no rank | | | no rank | 1248331 | click here |
| bovine herpesvirus 1 | Yes | species | viruses and viroids | viruses | species | 10320 | click here |
| bovine herpesvirus 5 | Yes | species | viruses and viroids | viruses | species | 35244 | click here |
| bovine papillomavirus | Yes | species | viruses and viroids | viruses | species | 10571 | click here |
| bovine papillomavirus type 1 | Yes | no rank | viruses and viroids | viruses | no rank | 10559 | click here |
| bovine papillomavirus type 13 | Yes | no rank | | | no rank | 1232138 | click here |
| bovine papillomavirus type 2 | Yes | no rank | viruses and viroids | viruses | no rank | 10560 | click here |
| bovine picobirnavirus | Yes | species | viruses and viroids | viruses | species | 1977295 | click here |
| bovine viral diarrhea virus 1 | Yes | species | viruses and viroids | viruses | species | 11099 | click here |
| brevibacterium sp. mare23 | Yes | no rank | | | species | 1141408 | click here |
| brucella abortus | Yes | species | bacteria | bacteria | species | 235 | click here |
| brucella suis | Yes | species | bacteria | bacteria | species | 29461 | click here |
| brucella suis bv. 1 | Yes | no rank | bacteria | bacteria | no rank | 644346 | click here |
| bunyamwera virus | Yes | species | viruses and viroids | viruses | species | 35304 | click here |
| burkholderia mallei | Yes | species | bacteria | bacteria | species | 13373 | click here |
| burkholderia mallei gb8 horse 4 | Yes | no rank | bacteria | bacteria | no rank | 320390 | click here |
| burkholderia mallei prl-20 | Yes | no rank | bacteria | bacteria | no rank | 436115 | click here |
| burkholderia pseudomallei | Yes | species | bacteria | bacteria | species | 28450 | click here |
| cabassou virus | Yes | species | viruses and viroids | viruses | species | 60879 | click here |
| cache valley virus | Yes | no rank | viruses and viroids | viruses | no rank | 80935 | click here |
| caecomyces sp. af-cts-ecce1 | Yes | no rank | eukaryota | plants | species | 579075 | click here |
| calchaqui virus | Yes | species | | | species | 1552845 | click here |
| california encephalitis virus | Yes | no rank | viruses and viroids | viruses | no rank | 35305 | click here |
| campylobacter jejuni | Yes | species | bacteria | bacteria | species | 197 | click here |
| campylobacter sp. | Yes | no rank | bacteria | bacteria | species | 205 | click here |
| candida albicans | Yes | species | eukaryota | plants | species | 5476 | click here |
| candidatus anaplasma camelii | Yes | species | | | species | 1699625 | click here |
| candidatus midichloria mitochondrii | Yes | subspecies | bacteria | bacteria | species | 234827 | click here |
| candidatus saccharibacteria bacterium | Yes | species | | | species | 2026720 | click here |
| capillaria hepatica | Yes | species | | | species | 1239592 | click here |
| cardiovirus a | Yes | species | | | species | 1821749 | click here |
| cheiloclinium cognatum | Yes | species | eukaryota | plants | species | 123388 | click here |
| cheiloclinium environmental sample | Yes | no rank | | | species | 1096674 | click here |
| chilomastix equi | Yes | species | | | species | | click here |
| chlamydia caviae | Yes | species | bacteria | bacteria | species | 83557 | click here |