@article {34095,
	title = {Arnica gracilis (Compositae), a natural hybrid between A. latifolia and A. cordifolia},
	volume = {9},
	year = {1984},
	pages = {12-16},
	publisher = {Systematic Botany},
	url = {http://www.jstor.org/sici?sici=0363-6445(198401/03)9:1\%3C12:AG(ANH\%3E2.0.CO;2-H},
	author = {Wolf, Steven J. and Denford, Keith E.}
}
