@article {8351, title = {Phylogenetics of Piptatherum s.l. (Poaceae: Stipeae): evidence for a new genus, Piptatheropsis, and resurrection of Patis}, journal = {Taxon}, volume = {60}, year = {2011}, month = {2011///}, pages = {1703 - 1716}, author = {K. Romaschenko and P.M. Peterson and R.J. Soreng and O. Futorna and A. Susanna} }