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
- Diarrhena fauriei 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 Brandenburg - Ontario, east-central United States
; formerly included
see Ammophila Catabrosa Cutandia Sphenopus Vulpia
