FUENTES-RAMÍREZ, A. .; PAUCHARD, A. .; HAUENSTEIN, E. . Floristic composition of Andean grassland in Alto Bío-Bío National Reserve (Lonquimay- Chile) and its relationship with the grazing regimen. Gayana Botánica, v. 68, n. 1, p. 28-39, 30 Jun. 2011.