References

Barkworth, M.E. Grass Manual on the Web. 2007. Intermountain Herbarium. 1 July 2007. (http://herbarium.usu.edu/webmanual/default.htm).

Barkworth, M.E., K.M. Capels, S. Long, and M. B. Piep (Eds). 2003. Magnoliophyta: Commelinidae (in part): Poaceae, part 2 . New York: Oxford University Press.

Barkworth, M.E., K.M. Capels, S. Long, and M. B. Piep (Eds). 2007. Magnoliophyta: Commelinidae (in part): Poaceae, part 1 . New York: Oxford University Press.

Soreng,R.J., G. Davidse, P.M. Peterson, F.O. Zuloaga, E.J. Judziewicz, T.S. Filgueiras & O. Morrone. Catalogue of New World Grasses (Poaceae). 2007. Missouri Botanical Garden. 1 July 2007. (http://mobot.mobot.org/W3T/Search/nwgc.html).

USDA, NRCS. 2007. The PLANTS Database (http://plants.usda.gov, 1 July 2007). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.