Pleopeltis polypodioides ssp. polypodioides USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 36.
resurrection fern Marginaria polypodioides Polypodium polypodioides
Biston hirtaria Bistorta officinalis Bistorta vivipara Bitta Bituminaria bituminosa Bituminaria morisiana Bixa orellana Black and White Black Brant Black Crowned Night Heron Black Guillemot on Cooper Island Black Oyster Catchers Black Oystercatcher Black Phoebe Black Skimmer Black Spruce Forest and Ledum Black Turnstone Black- tailed prairie dog Black-backed Gulls at Shoreline Black-bellied Plover Black-billed Magpie Black-capped Chickadee Black-crowed Night-Heron Black-crown Night-Heron Black-crowned Night-Heron Black-footed Albatross Black-footed Albatross Pair Black-headed Grosbeak Black-legged Kittiwake Black-necked Stilt Black-tailed Rattlesnake Blackberry Blackeyed Susan Blackpoll Warbler Blackstonia acuminata subsp. acuminata Blackstonia imperfoliata Blackstonia perfoliata Blackstonia perfoliata subsp. grandiflora Blackstonia perfoliata subsp. perfoliata
