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World Checklist of Selected Plant Families (WCSP)

Festuca nutans var. johnsonii Vasey, Contr. U.S. Natl. Herb. 2: 548 (1894).

This name is a synonym.

Accepted Name: Festuca versuta Beal, Grass. N. Amer. 2: 589 (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:

Festuca johnsonii (Vasey) Piper, Contr. U.S. Natl. Herb. 10: 35 (1906).

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