@article {1257,
	title = {The Lichen Genus Nephroma in North and Middle America},
	journal = {Publications of the museum Michigan State University},
	year = {1960},
	author = {Wetmore, Clifford M.}
}
@article {719,
	title = {A New Species of Nephroma from North America},
	journal = {The Bryologist},
	volume = {83},
	number = {2},
	year = {1980},
	pages = {243-247},
	author = {Wetmore, Clifford M.}
}
