@article {4205,
	title = {A Review of Lichen and Bryophyte Elemental Content Literature with Reference to Pacific Northwest Species},
	year = {1999},
	month = {March},
	institution = {United States Department of Agriculture, Forest Service},
	address = {Bellingham, WA},
	keywords = {Flora, Lichens, Liverworts, Mosses},
	url = {http://gis.nacse.org/lichenair/doc/PNW_LitReview.pdf},
	author = {Rhoades, Fred M}
}
