World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew

Avena pratensis var. americana Scribn., Bot. Gaz. 11: 177 (1886).

This name is a synonym.

Homotypic Names:
Accepted Name:	Helictochloa hookeri (Scribn.) Romero Zarco, Candollea 66: 102 (2011).
Family:	Poaceae
Avena hookeri Scribn., True Grasses: 123 (1890). Avena americana (Scribn.) Scribn., Bull. Div. Agrostol. U.S.D.A. 7: 183 (1897), nom. superfl. Helictotrichon hookeri (Scribn.) Henrard, Blumea 3: 429 (1940). Avenochloa hookeri (Scribn.) Holub, Acta Horti Bot. Prag. 1962: 84 (1962). Arrhenatherum hookeri (Scribn.) Potztal, Willdenowia 4: 400 (1968). Avenula hookeri (Scribn.) Holub, Folia Geobot. Phytotax. 11: 295 (1976). Helictochloa hookeri (Scribn.) Romero Zarco, Candollea 66: 102 (2011).
Original Compiler:	W.D.Clayton, R.Govaerts, K.T.Harman, H.Williamson & M.Vorontsova