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 Author Peterson, Paul M. Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA peterson@si.edu Author Romaschenko, Konstantin Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA Author Soreng, Robert J. https://orcid.org/0000-0002-8358-4915 Department of Botany MRC- 166, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013 - 7012, USA Author Reyna, Jesus Valdes Departamento de Botanica, Universidad Autonoma Agraria Antonio Narro, Saltillo, C. P. 25315, Mexico text PhytoKeys 2019 2019-07-16 126 89 125 http://dx.doi.org/10.3897/phytokeys.126.34096 journal article http://dx.doi.org/10.3897/phytokeys.126.34096 1314-2003-126-89 FFC2D06D486FF317CE32972BDE2BFF93 3348547 Eriocoma coronata (Thurb.) Romasch., comb. nov. Stipa coronata Thurb., Bot. California 2: 287-288. 1880 [Basionym] ≡ Achnatherum coronatum (Thurb.) Barkworth, Phytologia 74(1): 6. 1993. Type: USA, California, San Diego Co., in a canon around springs on hillside near Julian City, Apr 1872, H.N. Bolander , A. Kellogg & co. s.n. (lectotype: US-745776 [accession no.!] & US-00406146 [image!] designated here ; isolectotypes: GH-00017898 [image!], MO-2151562 [image!], MO-2151563 [image!], MO-2151564 [image!]).