@article {139,
	title = {Distribution and systematics of the freshwater red algal family Thoreaceae in North America},
	journal = {European Journal of Phycology},
	volume = {28},
	year = {1993},
	chapter = {231-241},
	author = {Sheath, R.G. and Vis, M. L. and Cole, K.M.}
}
