@article {4134,
	title = {Relationship between Digitaria milanjiana (Poaceae:Paniceae) and the  annual species of Digitaria section Digitaria in North America},
	journal = {Sida},
	volume = {9},
	year = {1982},
	pages = {333-343},
	keywords = {Digitaria, DIGITARIA MILANJIANA, NORTH AMERICA, PANICEAE, POACEAE, species},
	author = {Webster, R. D. and Shaw, R. B.}
}
@article {3736,
	title = {An infrageneric classification for Poa in North America, and other notes on sections, species, and subspecies of Poa, Puccinellia and Dissanthelium (Poaceae)},
	journal = {Novon},
	volume = {8},
	year = {1998},
	pages = {187-202},
	keywords = {CLASSIFICATION, DISSANTHELIUM, NORTH AMERICA, POA, POACEAE, Puccinellia, species, SUBSPECIES},
	author = {Soreng, Robert J.}
}
