@article {7232,
	title = {A biosystematic study of Coreopsis tinctoria and C. cardaminefolia (Compositae)},
	journal = {Brittonia},
	volume = {23},
	year = {1971},
	month = {1971///},
	pages = {161 - 170},
	author = {E.B. Smith and H.M. Parker}
}
