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World Checklist of Selected Plant Families (WCSP)



Poa trivialis var. occidentalis Vasey, Descr. Cat. Grass. U.S.: 85 (1885), nom. nud.

This name is a synonym.

Accepted Name: Poa occidentalis (Vasey) Vasey, Contr. U.S. Natl. Herb. 1: 274 (1893).
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:

Poa occidentalis (Vasey) Vasey, Contr. U.S. Natl. Herb. 1: 274 (1893).

Poa platyphylla Nash & Rydb., Bull. Torrey Bot. Club 28: 266 (1901), nom. superfl.

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