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World Checklist of Selected Plant Families (WCSP)

Poa ursorum Kom., Repert. Spec. Nov. Regni Veg. 13: 161 (1914).

This name is a synonym.

Accepted Name: Arctagrostis arundinacea (Trin.) Beal, Grass. N. Amer. 2: 317 (1896).
Family: Poaceae
The Poaceae generic classification system originated from the GrassBase database, originally based on Genera Graminum (1985). Work is in progress to update this to a new globally accepted and collaborative generic classification based on the latest research.
Homotypic Names:

Arctagrostis ursorum (Kom.) Kom. in V.L.Komarov (ed.), Fl. URSS 2: 168 (1934).

Arctagrostis arundinacea var. ursorum (Kom.) Tzvelev, Zlaki SSSR: 526 (1976).

Original Compiler: W.D.Clayton, R.Govaerts, K.T.Harman, H.Williamson & M.Vorontsova