BermudaBerteroa incanaBerteroa incana (hoary alyssum)Beta vulgaris var. altissimaBetula occidentalis (water birch)Betula papyrifera (paper birch)Betula pendulaBetula x sandbergiiBhutanBidens beckii (Beck's water-marigold)Bidens bidentoides (Delmarva beggarticks)Bidens bipinnataBidens cernuaBidens connata (purplestem beggarticks)Bidens coronata (crowned beggarticks)Bidens frondosaBidens tripartitaBidens tripartita (threelobe beggarticks)Bigelowia nudata ssp. nudata (pineland rayless goldenrod)Billbergia nutansBistorta officinalisBistorta viviparaBlysmus rufus (red bulrush)Boehmeria cylindrica (smallspike false nettle)Boletus aereusBoletus aestivalisBoletus calopusBoletus comptusBoletus edulis
Image of Ranunculus pusillus var. pusillus (low spearwort) 1USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 106.