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By: Garcia, Ricardo José Francischetti - Longhi-Wagner, Hilda Maria. - Pirani, José Rubens - Meirelles, Sérgio TadeuType: ArticleIn: Sociedade Botânica de São PauloVolume:Series:Issue:Date: 2009-12-01Page Range:Publication Info: Sociedade Botânica de São PauloSubjects: Brazilian grasslands Gramineae Multivariate analysis South America