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By: Holmstedt, B - Lindgren, J E - Plowman, T - Rivier, Laurent - Schultes, Richard Evans, - Tovar, OscarType: ArticleIn: Botanical Museum leaflets, Harvard UniversityVolume: 28Series:Issue: 3Date: 1980-09Page Range: 215--234Publication Info: Cambridge, Mass Botanical Museum, Harvard University 1932-Subjects: