P. M. Peterson, K. Romaschenko, R. J. Soreng, and F. Riga, “An ITS phylogeny of Festuca s.l. clarifies the generic circumscription of the broad-leaved complex (Poaceae, Pooideae, Poeae, Loliinae)”, webbia, vol. 80, no. 2, pp. 201–227, Jul. 2025.