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Diarrhena Palisot de Beauvois. Subfamily: Pooideae. Tribe: Diarrheneae. clade: "BOP". Beakgrain, Twingrass.

Key to Diarrhena

Depending on circumscription, a genus of either 2 species of perennial grasses of e. North America, or of ca. 6 species of e. North America and e. Asia.

Ref: Brandenburg (2007a) In Flora of North America Editorial Committee (2007a); Brandenburg, Estes, & Collins (1991). Show full citations.

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