Diarrhena

About

Diarrhena, or beakgrain, is a genus of Asian and North American plants in the grass family.SpeciesDiarrhena americana P. Beauv. - east-central United States 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 formerly included

Summary from Wikipedia