@article {3275, title = {Systematics of the annual species of Muhlenbergia (Poaceae: Eragrostideae).}, journal = {Systematic Botany Monographs}, volume = {31}, year = {1991}, pages = {1-109}, keywords = {ERAGROSTIDEAE, MONOGRAPHS, MUHLENBERGIA, POACEAE, species, SYSTEMATICS}, author = {Peterson, P. M., Annable, C.R.} }