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World Checklist of Selected Plant Families (WCSP)

Aegilops hystrix Nutt., Gen. N. Amer. Pl. 1: 86 (1818).

This name is a synonym.

Accepted Name: Elymus elymoides subsp. elymoides.
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:

Polyantherix hystrix (Nutt.) Nees, Ann. Nat. Hist. 1: 284 (1838).

Sitanion hystrix (Nutt.) J.G.Sm., Bull. Div. Agrostol. U.S.D.A. 18: 15 (1899).

Elymus hystrix (Nutt.) M.E.Jones, Contr. W. Bot. 14: 20 (1912), nom. illeg.

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