@article {29502,
	title = {A contribution to the taxonomy of Viola adunca},
	volume = {52},
	year = {1974},
	pages = {895-902},
	publisher = {Canadian Journal of Botany},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjb\&volume=52\&articleFile=b74-113.pdf},
	author = {McPherson, G. D. and Packer, J. G.}
}
