Bladder-senna 
Blue Lupine 
Blue palo verde 
Blue wild indigo 
Blue-spike Milkwort 
Blunt-leaf bitter-pea 
Blushing Clover 
Bookleaf 
Boree tree 
Bridal Veil Broom 
Broadleaf lupine 
Buffalo clover 
Burdock Clover 
Bush Vetch 
Butea monosperma 
Butterfly-pea 
Button medick 
Cabbage tree 
California goldenbanner 
Calliandra houstoniana 
Calliandra vaupesiana 
Calopo 
Canafistola Macho 
Canavalia ensiformis