Eriocoma occidentalis subsp. pubescens (Vasey) Romasch., comb. nov.

Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J. & Reyna, Jesus Valdes, 2019, A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of Eriocoma, Neotrinia, Oloptum, and five new genera: Barkworthia, x Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa, PhytoKeys 126, pp. 89-125 : 96

Eriocoma occidentalis subsp. pubescens (Vasey) Romasch., comb. nov.

Stipa viridula var. pubescens Vasey, Contr. U.S. Natl. Herb. 3(1): 50. 1892 [Basionym] ≡ Stipa elmeri Piper & Brodie ex Scribn., Bull. Div. Agrostol., U.S.D.A. 11: 46. 1898 ≡ Stipa occidentalis var. pubescens (Vasey) J. Maze, Roy L. Taylor & MacBryde, Canad. J. Bot. 56(2): 193. 1978 ≡ Achnatherum occidentale subsp. pubescens (Vasey) Barkworth, Phytologia 74(1): 10. 1993. Type: USA, Washington, on dry ground along the Columbia River, 1883, W.N. Suksdorf s.n. (lectotype: US-79560! [US-00036944 image!], designated by Hitchcock, Contr. U.S. Natl. Herb. 24(7): 241. 1925; isolectotype: GH-00443467 [image!]).