1. Hairy Eurasian plant with small yellow flowers and an astringent root formerly used medicinally
   - herb bennet, cloveroot, clover-root, Geum urbanum

Type of: avens

• genus Bubo
• genus Bubulcus
• genus Bucephala
• genus Buceros
• genus Buchloe
• genus Buckleya
• genus Buddleia
• genus Budorcas
• genus Bufo
• genus Bulnesia
• genus Bumelia
• genus Bungarus
• genus Buphthalmum
• genus Burhinus
• genus Burmannia
• genus Burmeisteria
• genus Bursera
• genus Butea
• genus Buteo
• genus Buxus
• genus Cabassous
• genus Cabomba
• genus Cacajao
• genus Cacalia
• genus Cacatua