Bistorta officinalis
Common Bistort
Bistorta vivipara
Alpine Bistort
Blackstonia perfoliata
Yellow-wort
Blitum bonus-henricus
Good-King-Henry
Blysmus compressus
Flat-sedge
Boerhavia erecta
Erect Spiderling
Bolboschoenus maritimus
Sea Club-rush
Borago officinalis
Borage
Borago pygmaea
Slender Borage
Bougainvillea glabra
Brachyglottis x jubar
Shrub Ragwort
Brachypodium sylvaticum
False-brome
Brassica juncea
Chinese Mustard
Brassica napus
Oil-seed Rape
Brassica oleracea
Wild Cabbage
Brassica rapa
Turnip
Briza maxima
Greater Quaking-grass
Briza media
Quaking-grass
Bromus hordeaceus
Soft-brome
Brugmansia versicolor
Angel’s Trumpets
Brunfelsia americana
Lady of the Night
Brunfelsia pauciflora
Tomorrow Together
Bryonia dioica
White Bryony
Bunchozia armeniaca
Cansaboca