J. Oliveira Prendes and G. Charmet, “Characterization oí wild perennial ryegrass populations from Galicia (Spain)”, Rev. pastos, vol. 1819, pp. 51–68, Sep. 2011, Accessed: Apr. 24, 2026. [Online]. Available: https://polired.upm.es/index.php/pastos/article/view/1167