@book {2792, title = {Grass Systematics and Evolution}, year = {1987}, pages = {310-322}, publisher = {Smithsonian Institution}, organization = {Smithsonian Institution}, address = {Washington DC}, keywords = {EVOLUTION, PHYLOGENY, SYSTEMATICS}, author = {Kellogg, Elizabeth A. and Campbell, Christopher S.}, editor = {Soderstrom, T. R. and Hilu, K. W. and Campbell, C. S. and Barkworth, M. E.} } @article {1737, title = {The subfamilies and tribes of Gramineae (Poaceae) in the southeastern United States}, journal = {Journal of the Arnold Arboretum}, volume = {66}, year = {1985}, note = {Reprint; ; ;,}, pages = {123-199}, keywords = {CLIFFORD REPRINT, GRAMINEAE, POACEAE, SUBFAMILIES, UNITED STATES}, author = {Campbell, Christopher S.} } @inbook {1740, title = {Sister group relationships of the Poaceae}, booktitle = {Grass sytematics and evolution}, year = {1987}, pages = {217-224}, publisher = {Smithsonian Institution Press}, organization = {Smithsonian Institution Press}, address = {Washington DC}, keywords = {CLADISTICS, EVOLUTION, POACEAE}, author = {Campbell, Christopher S. and Kellogg, Elizabeth A.}, editor = {Soderstrom, Thomas R. and et al} }