@article {8312,
	title = {The systematics of the Bidens ferulaefolia complex (Compositae)},
	journal = {Syst. Bot},
	volume = {4},
	year = {1979},
	month = {1979///},
	pages = {130 - 147},
	author = {C.R. Hart}
}
@article {8317,
	title = {Taxonomy of the genus Amphiachyris (Asteraceae: Astereae)},
	journal = {Syst. Bot},
	volume = {4},
	year = {1979},
	month = {1979///},
	pages = {178 - 189},
	author = {M.A. Lane}
}
