@article {657,
	title = {Species of Cyanolichen from Pseudocyphellaria with Indistinguishable ITS Sequences Have Different Photobionts},
	journal = {New Phytologist},
	volume = {155},
	number = {1},
	year = {2002},
	pages = {121-129},
	chapter = {121},
	url = {http://www.jstor.org/stable/1513889},
	author = {Summerfield, T.C. and David J. Galloway and J.J. Eaton-Rye}
}
