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By: Wagner, Warren Lambert - Hoch, Peter C. - Zarucchi, James Lee.Type: ArticleIn: PhytoKeysVolume: 50Series:Issue:Date: 2015Page Range: 25-29Publication Info: Pensoft Publishers 2015Subjects: Gaura drummondii Gaura hispida Nomenclature Oenothera hispida Oenothera xenogaura