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Schifino, M. T. & H. Winge. 1983. Karyotypes and nuclear DNA content of species of the Briza complex and some other genera of Poeae (Gramineae). Revista Brasil Gen;aaet. 6: 245–259.
Smarda, P. 2006. Ploidy level variability in South American fescues (Festuca L., Poaceae): use of flow cytometry in up to 5 1/2-year-old caryopses and herbarium specimens. Pl. Biol. (Stuttgart) 8(1): 73–80.
Schifino MT, Winge H. 1985. Karyoptypes and nuclear DNA content of species of the Briza complex and some other genera of Poeae (Gramineae). Review of Brazilian Genetics 6: 245-259.