@article {654,
	title = {Consequences of achene biomass, within-achene allocation patterns, and pappus on germination in ray and disc achenes of Aster umbellatus var. umbellatus (Asteraceae).},
	journal = {Canadian Journal of Botany},
	volume = {77},
	year = {1999},
	pages = {426-433},
	author = {Chmielewski, J.G.}
}
