Diarrhena
# Diarrhena

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

## Species

* Diarrhena americana P. Beauv. - east-central United States (OK MO AR IL IN OH KY TN AL GA NC VA WV MD PA)
* Diarrhena fauriei (Hack.) Ohwi - Shandong, Jilin, Heilongjiang, Liaoning, Japan, Korea, Primorye
* Diarrhena japonica Franch. & Sav. - Japan, Jeju-do, Kuril, Jilin, Heilongjiang, Liaoning
* Diarrhena mandshurica Maxim. - Jilin, Heilongjiang, Liaoning, Primorye, Amur, Khabarovsk, Korea, Hebei, Shanxi
* Diarrhena obovata (Gleason) Brandenburg - Ontario, east-central United States (TX OK KS NE SD MN IA MO AR IL WI MI IN OH KY TN VA WV PA NY)

## formerly included

see Ammophila Catabrosa Cutandia Sphenopus Vulpia

* Diarrhena aquatica - Catabrosa aquatica
* Diarrhena divaricata - Sphenopus divaricatus
* Diarrhena festucoides Raspail 1825 not (Raf.) Fernald 1932 - Cutandia divaricata
* Diarrhena littoralis - Ammophila arenaria subsp. australis
* Diarrhena maritima - Cutandia maritima
* Diarrhena setacea - Vulpia octoflora
