@article {3331,
	title = { A synopsis of the lichen genus Heterodermia (Physciaceae, lichenized Ascomycota) in eastern North America },
	journal = {Opuscula Philolichenum},
	volume = {6},
	year = {2009},
	pages = {1-36},
	url = {http://sweetgum.nybg.org/philolichenum/biblio_detail.php?irn=196870},
	author = {Lendemer, J.}
}
