Boissiera squarrosa 
Bottlebrush grass 
Briza humilis 
Broadfruit Bur-reed, Giant Bur-reed 
Broadleaf cattail 
Bromus inermis 
Bulbous Airplant 
Bulbous bluegrass 
Bulbous Oat Grass 
Bunchy Sedge 
Bushy beardgrass 
Calamagrostis effusa 
Cape Ricegrass 
Capitate Galingale 
Carex aureolensis 
Carex disticha 
Carex hallerana 
Carex hispida 
Carex hoodii 
Carex pachystylis 
Carex pendula 
Carex spectabilis 
Cenchrus ciliaris 
Cenchrus pedicellatus