@article {1706, title = {A systematic study of Pennisetum sect. Pennisetum (Gramineae)}, journal = {American Journal of Botany}, volume = {64}, year = {1977}, pages = {161-176}, keywords = {GRAMINEAE, PENNISETUM}, author = {Brunken, J. N.} } @article {1707, title = {Morphometric variation and the classification of Pennisetum section Brevivalvula (Gramineae) in tropical Africa}, journal = {Botanical Journal of the Linnean Society}, volume = {79}, year = {1979}, pages = {51-64}, keywords = {AFRICA, CLASSIFICATION, GRAMINEAE, PENNISETUM}, author = {Brunken, J. N.} }