@article {2336, title = {A molecular phylogeny of the subfamily Panicoideae (Poaceae) shows multiple origins of C4 photosynthesis}, journal = {American Journal of Botany}, volume = {88}, year = {2001}, pages = {1993-2012}, keywords = {Cenchrus, ORIGINS, PANICEAE, PANICOIDEAE, PANICUM, PANICUM MAXIMUM, PASPALIDIUM, PASPALUM, PENNISETUM, PHOTOSYNTHESIS, PHYLOGENY, POACEAE, Setaria, THRAYSIA, UROCHLOA}, author = {Giussani, Liliana M. and Cota-Sanchez, Hugo and Zuloaga, Fernando O. and Kellogg, Elizabeth A.} }