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World Checklist of Selected Plant Families (WCSP)

Agropyron richardsonii (Schrad.) Scribn. & J.G.Sm., Bull. Div. Agrostol. U.S.D.A. 4: 29 (1897).

This name is a synonym.

Accepted Name: Elymus violaceus (Hornem.) J.Feilberg, Meddel. Grønland, Biosci. 15: 12 (1984).
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:

* Triticum richardsonii Schrad., Linnaea 12: 467 (1838).

Agropyron caninum var. richardsonii (Schrad.) M.E.Jones, Contr. W. Bot. 14: 18 (1912).

Zeia richardsonii (Schrad.) Lunell, Amer. Midl. Naturalist 4: 227 (1915).

Agropyron trachycaulum var. richardsonii (Schrad.) Malte ex H.F.Lewis, Canad. Field-Naturalist 45: 201 (1931).

* Basionym/Replaced Synonym

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