Bacillus subtilis
Bacillaceae > Bacillales > Bacilli
Bacteroidetes
Sphingobacteriia
Baetis rhodani
Balaena mysticetus
bowhead whale — Balaenidae > Cetacea > Mammalia
Banksia spinulosa
Proteaceae > Proteales > Magnoliopsida
Basidiomycota
Entorrhizomycetes
Bathyarchaeota
Beecheria sp.
Beedeina
Beedeina insolita
Beedeina joyitaensis
Beedeina novamexicana
Beedeina pattoni
Beedeina pristina
Beedeina socorroensis
Berberis repens
creeping barberry — Berberidaceae > Ranunculales > Magnoliopsida
Betaproteobacteria
Rhodocyclales > Betaproteobacteria
Betula
Betula alleghaniensis
Betulaceae > Fagales > Magnoliopsida
Betula lenta
Betulaceae > Fagales > Magnoliopsida
Betula papyrifera
Betulaceae > Fagales > Magnoliopsida
Betula popilofolia
Bicyclus
Bicyclus anynana
Bidens pilosa
Asteraceae > Asterales > Magnoliopsida
Binodoxys
Binodoxys communis
Braconidae > Hymenoptera > Insecta
Binodoxys koreanus
Braconidae > Hymenoptera > Insecta
Bison
bison —
Bison antiquus
bison —
Bistorta
Polygonaceae > Caryophyllales > Magnoliopsida
Bistorta officinalis
Polygonaceae > Caryophyllales > Magnoliopsida
Boechera
Brassicaceae > Brassicales > Magnoliopsida
Boloria aquilonaris
Boloria eunomia
Nymphalidae
Bombus californicus
... — Apidae > Hymenoptera > Insecta
Bombus frigidus
Apidae > Hymenoptera > Insecta
Bombus jonellus
Apidae > Hymenoptera > Insecta
Bombus lapidarius
bumblebees — Apidae > Hymenoptera > Insecta
Bombus nevadensis
bumblebee — Apidae > Hymenoptera > Insecta
Bombus pascuorum
... — Apidae > Hymenoptera > Insecta
Bombus ternarius
Apidae > Hymenoptera > Insecta
Bombus terricola
Apidae > Hymenoptera > Insecta
Bombus vagans
Apidae > Hymenoptera > Insecta
Bombus vosnesenskii
bumble bee — Apidae > Hymenoptera > Insecta
Boscia albitrunca
Brachypodium distachyon
annual grass — not mentioned
Brachythyris? cf. altonensis
Branchinecta coloradensis
Colorado fairy shrimp — Branchinectidae > Anostraca > Branchiopoda
Branta canadensis
Canada goose — Anatidae > Anseriformes > Aves