@inbook {4887,
	title = {Physcia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {698-703},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Edwards, B. and Coppins, B.J.}
}
@inbook {3939,
	title = {Phaeophyscia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Edwards, B. and Coppins, B.J.}
}
@inbook {3903,
	title = {Physconia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {703-706},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Edwards, B. and Coppins, B.J.}
}
@inbook {3325,
	title = {Heterodermia},
	booktitle = {Lichens of Great Britain \& Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Edwards, B. and Purvis, O.W.}
}
@article {3212,
	title = {Caloplaca aractina UK Biodiversity Action Plan},
	volume = {2015},
	year = {2005},
	publisher = {Plantlife},
	url = {http://adlib.everysite.co.uk/resources/000/091/214/Caloplaca_aractina_dossier.pdf},
	author = {Edwards, B. and Duckworth, J.}
}
