Korycarpus

Diarrhena
Diarrhena americana
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Tribe:	Diarrheneae
Genus:	Diarrhena P.Beauv.
Type species
Diarrhena americana P.Beauv.
Synonyms
Diarina Raf. Korycarpus Zea ex Lag. Corycarpus Zea ex Spreng., alternate spelling Roemeria Roem. & Schult. 1817, illegitimate homonym not Medik. 1792 (Papaveraceae) nor Raddi 1818 (liverwort in Aneuraceae) nor Moench 1794 (Amaranthaceae) nor Thunb. 1798 (Sapotaceae) nor DC. 1821 (Capparaceae) Neomolinia Honda & Sakisaka

Diarrhena (beakgrain) is a genus of Asian and North American plants in the grass family.

see Ammophila Catabrosa Cutandia Sphenopus Vulpia

Clayton, W.D.; Vorontsova, M.S.; Harman, K.T.; Williamson, H. "Guaduella". GrassBase - The Online World Grass Flora. Royal Botanic Gardens, Kew. 

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