Eriocoma hendersonii (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 : 95

Eriocoma hendersonii (Vasey) Romasch., comb. nov.

Oryzopsis hendersonii Vasey, Contr. U.S. Natl. Herb. 1(8): 267 [Basionym] ≡ Oryzopsis exigua var. hendersonii (Vasey) M.E. Jones, Contr. W. Bot. 14: 11. 1912 ≡ Stipa hendersonii (Vasey) Mehlenb., Canad. J. Bot. 49(9): 1568. 1971 ≡ Achnatherum hendersonii (Vasey) Barkworth, Phytologia 74(1): 7. 1993. 1893. Type: USA, Washington, North Yakima, Clements Mountain, 1892, L.F. Henderson 2249 (holotype: US-81978!).