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By: Hernández-Hernández, Victoria - Terrazas, Teresa - Delgadillo Moya, ClaudioType: ArticleIn: Boletín de la Sociedad Botánica de MéxicoVolume:Series:Issue:Date: 2009-12-01Page Range:Publication Info:Subjects: Discriminant analysis Dryopteris cinnamomea Dryopteris rosea Dryopteris rossii phenogram pinnae scales