Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in MexicoRobert John Soreng · First published 2012Open the Tome
Catalogue of New World grasses (Poaceae)Emmet J. Judziewicz, Robert John Soreng, Fernando O. Zuloaga, Susan Pennington · First published 2000Open the Tome
