Biarum olivieri 
Biarum pyrami 
Biarum tenuifolium 
Bighead sedge 
Bird of Paradise flower 
Bird's tongue 
Birds nest anthurium 
Birds-nest orchid 
Bismarckia 
Bitter Aloe 
Black Bamboo 
Black bat flower 
Black bootlace orchid 
Black bryony 
Black false hellebore 
Black garlic 
Black Orchid 
Black Purple Cymbidium 
Black rapier-sedge 
Black Windmill Grass 
Black-sea Fritillaria 
Black-spined Agave 
Black-striped leafy greenhood 
Bladder Sedge