@article {280,
	title = {Studies in the Anatomy and Morphology of the Composite Flower II. The Corollas of the Heliantheae and Mutisieae},
	journal = {American Journal of Botany},
	volume = {17},
	year = {1930},
	month = {12/1930},
	pages = {995-1010},
	author = {Minna Frotscher Koch}
}
