TY - CHAP T1 - Major trends of evolution in the Poaceae and their possible significance T2 - Grasses and Grasslands. Systematics and Ecology Y1 - 1982 A1 - Stebbins, G. L. ED - Estes J.R. ED - Tyrl, R. J. ED - Brunken, J. N. SP - 3 EP - 36 KW - ECOLOGY KW - EVOLUTION KW - Grasses KW - GRASSLANDS KW - POACEAE KW - SYSTEMATICS JF - Grasses and Grasslands. Systematics and Ecology PB - University of Oklahoma Press CY - Norman ER -