database: Poaceae update; Poaceae update for ITIS, in cooperation with NatureServe, and based on the Catalogue of New World Grasses database and other sources
database: NODC Taxonomic Code;
database: Catalogue of New World Grasses (Poaceae) - 11/2009; Maintained by R. J. Soreng et al., at http://www.tropicos.org/Project/CNWG and formerly at http://mobot.mobot.org/W3T/Search/nwgc.html
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
database: The PLANTS Database; National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
