A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of DOI: info:10.3897/phytokeys.126.34096v. 126Pensoft Publishers89–125
Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., and Valdés Reyna, Jesus. 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, ×Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa." PhytoKeys, 126 89–125. https://doi.org/10.3897/phytokeys.126.34096.