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By: Peterson, Paul M. - Romaschenko, Konstantin - Soreng, Robert John, - Valdés-Reyna, Jesús.Type: ArticleIn: PhytoKeysVolume: 126Series:Issue:Date: 2019Page Range: 89-125Publication Info: Pensoft Publishers 2019Subjects: ×Eriosella Barkworthia Eriocoma Gramineae Neotrinia North America Poaceae Pseudoeriocoma Ptilagrostiella Stipeae taxonomy Thorneochloa