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Oliveira Freitas-Sacchet, A. M., I. I. Boldrini & G. G. B. 1984. Cytogenetics and evolution of the native grasses of Rio Grande do Sul, Brazil, Setaria Beauv. (Gramineae). Revista Brasil. Genét. 7: 535–548.
Freitas-Sacchet, A. M. d. O., I. I. Boldrini & G. G. Born. 1984. Cytogenetics and evolution of the native grasses of Rio Grande do Sul, Brazil---Setaria Beauv. (Gramineae). Revista Brasil. Genét. 7(3): 535–548.