Boissiera squarrosa 
Bottlebrush grass 
Briza humilis 
Bromus inermis 
Bulbous bluegrass 
Bulbous Oat Grass 
Bushy beardgrass 
Calamagrostis effusa 
Cape Ricegrass 
Cenchrus ciliaris 
Cenchrus pedicellatus 
Centropodia forskaolii 
Cheatgrass 
Chinese pennisetum 
Colpodium biebersteinianum 
Common reed 
Common wheat or bread wheat 
Common Wild Oat 
Compact Brome 
Crested Wheatgrass 
Crimson fountaingrass 
Crithopsis 
Crypsis minuartioides 
Cutandia maritima