1. Without flower or bloom and not producing seeds
   - flowerless

See also: spore-bearing

• genus Brama
• genus Branchiobdella
• genus Branta
• genus Brasenia
• genus Brassavola
• genus Brassia
• genus Brassica
• genus Brevoortia
• genus Brickelia
• genus Brodiaea
• genus Bromus
• genus Brontosaurus
• genus Broussonetia
• genus Browallia
• genus Browmius
• genus Bruchus
• genus Bruckenthalia
• genus Brugmansia
• genus Brunfelsia
• genus Brya
• genus Bryanthus
• genus Bryonia
• genus Bryum
• genus Bubalus
• genus Bubo