@article {6903,
	title = {A revision of Echinochloa in the United States},
	journal = {Amer. Midl. Natur},
	volume = {87},
	year = {1972},
	month = {1972///},
	pages = {36 - 59},
	author = {F.W. Gould and M.A. Ali and D.E. Fairbrothers}
}
