Custom Species Lists
- Eptesicus fuscus - (Big Brown Bat)
- Raja binoculata - (Big Skate)
- Radix auricularia - (Big-eared Radix)
- Centaurea calcitrapa - (Big-head Purple Starthistle)
- Carex macrocephala - (Big-head Sedge)
- Centaurea macrocephala - (Big-head Starthistle)
- Metapoplax ditomoides - (Big-nosed Bug)
- Bathyagonus pentacanthus - (Bigeye Poacher)
- Lycodes cortezianus - (Bigfin eelpout)
- Acer macrophyllum - (Bigleaf Maple)
- Carex nigricans - (Black Alpine Sedge)
- Populus balsamifera ssp. trichocarpa - (Black Cottonwood)
- Empetrum nigrum - (Black Crowberry)
- Lycodes diapterus - (Black Eelpout)
- Hyoscyamus niger - (Black Henbane)
- Haematopus bachmani - (Black Oystercatcher)
- Xiphister atropurpureus - (Black Prickleback)
- Sebastes melanops - (Black Rockfish)
- Melanitta americana - (Black Scoter)
- Centaurea nigra - (Black Starthistle)
- Xylosandrus germanus - (Black Stem Borer)
- Cypseloides niger - (Black Swift)
- Chlidonias niger - (Black Tern)
- Arenaria melanocephala - (Black Turnstone)
- Picoides arcticus - (Black-backed Woodpecker)
- Pluvialis squatarola - (Black-bellied Plover)
- Poecile atricapillus - (Black-capped Chickadee)
- Archilochus alexandri - (Black-chinned Hummingbird)
- Nycticorax nycticorax - (Black-crowned Night-Heron)
- Phoebastria nigripes - (Black-footed Albatross)
- Juncus gerardii - (Black-grass Rush)
- Pheucticus melanocephalus - (Black-headed Grosbeak)
- Chroicocephalus ridibundus - (Black-headed Gull)
- Rissa tridactyla - (Black-legged Kittiwake)
- Himantopus mexicanus - (Black-necked Stilt)
- Dendroica nigrescens - (Black-throated Gray Warbler)
- Amphispiza bilineata - (Black-throated Sparrow)
- Lycodes pacificus - (Blackbelly Eelpout)
- Rhinogobiops nicholsii - (Blackeye Goby )
- Bathyagonus nigripinnis - (Blackfin Poacher)
- Malacocottus kincaidi - (Blackfin Sculpin)
- Careproctus melanurus - (Blacktail Snailfish)
- Xeneretmus latifrons - (Blacktip Poacher)
- Sphaerophysa salsula - (Bladder-vetch)
- Silybum marianum - (Blessed Milk-thistle)
- Collema nigrescens - (Blistered Jelly Lichen)
- Henricia leviuscula - (Blood Star)
- Tarletonbeania crenularis - (Blue Lanternfish)
- Sebastes mystinus - (Blue Rockfish)
- Prionace glauca - (Blue Shark)
- Calamagrostis canadensis - (Blue-joint Reedgrass)
- Helianthus ciliaris - (Blue-weed Sunflower)
- Anas discors - (Blue-winged Teal)
- Plectobranchus evides - (Bluebarred Prickleback)
- Lepomis macrochirus - (Bluegill)
- Xeneretmus triacanthus - (Bluespotted Poacher)
- Carex obtusata - (Blunt Sedge)
- Potamogeton obtusifolius - (Bluntleaf Pondweed)
- Hexanchus griseus - (Bluntnose Sixgill Shark)
- Lynx rufus - (Bobcat)
- Dolichonyx oryzivorus - (Bobolink)
- Sebastes paucispinis - (Bocaccio)
- Menyanthes trifoliata - (Bog Buckbean)
- Schoenoplectus mucronatus - (Bog Bulrush)
- Lycopodiella inundata - (Bog Clubmoss)
- Polygonum x bohemicum - (Bohemian Knotweed)
- Bombycilla garrulus - (Bohemian Waxwing)
- Chroicocephalus philadelphia - (Bonaparte's Gull)
- Artedius notospilotus - (Bonehead Sculpin)
- Largus cinctus - (Bordered Plant Bug)
- Symphyotrichum boreale - (Boreal Aster)
- Carex magellanica ssp. irrigua - (Boreal Bog Sedge)
- Poecile hudsonicus - (Boreal Chickadee)
- Aegolius funereus - (Boreal Owl)
- Tursiops truncatus - (Bottlenose Dolphin)
- Halichondria bowerbanki - (Bowerbank's Halichondria)
- Phalacrocorax penicillatus - (Brandt's Cormorant)
- Branta bernicla - (Brant)
- Egeria densa - (Brazilian Waterweed)
- Euphagus cyanocephalus - (Brewer's Blackbird)
- Potentilla drummondii ssp. breweri - (Brewer's Cinquefoil)
- Pellaea breweri - (Brewer's Cliffbrake)
- Spizella breweri - (Brewer's Sparrow)
- Arctostaphylos columbiana - (Bristly Manzanita)
- Carex comosa - (Bristly Sedge)
- Cornicularia normoerica - (Brittle Lichen)
- Typha latifolia - (Broadleaf Cattail)
- Lepidium latifolium - (Broadleaf Pepper-grass)
- Myriophyllum heterophyllum - (Broadleaf Water-milfoil)
- Notorynchus cepedianus - (Broadnose Sevengill Shark)
- Salvelinus fontinalis - (Brook Trout)
- Ursus arctos - (Brown Bear)
- Ameiurus nebulosus - (Brown Bullhead)
- Apristurus brunneus - (Brown Cat Shark)
- Certhia americana - (Brown Creeper)
- Hemilepidotus spinosus - (Brown Irish Lord)
- Pelecanus occidentalis - (Brown Pelican)
- Rattus norvegicus - (Brown Rat)
- Sebastes auriculatus - (Brown Rockfish)
- Centaurea jacea - (Brown Starthistle)