@inbook {4220,
	title = {Buellia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {228-238},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Coppins, B.J. and Scheidegger, C. and Aptroot, A.}
}
@book {3968,
	title = {A Conservation Evaluation of British Lichens and Lichenicolous Fungi. Species Status 13},
	year = {2012},
	pages = {155},
	publisher = {Joint Nature Conservation Committee},
	organization = {Joint Nature Conservation Committee},
	edition = {2nd edition},
	address = {Peterborough, UK},
	url = {http://jncc.defra.gov.uk/pdf/Lichens_Web.pdf},
	author = {Woods, R.G. and Coppins, B.J.}
}
