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World Checklist of Selected Plant Families (WCSP)

Arrhenatherum kentuckense Torr., Fl. N. Middle United States 1: 131 (1823).

This name is a synonym.

Accepted Name: Sphenopholis pensylvanica (L.) Hitchc., Amer. J. Bot. 2: 304 (1915).
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.
Original Compiler: W.D.Clayton, R.Govaerts, K.T.Harman, H.Williamson & M.Vorontsova