@inbook {2918,
	title = {Lasallia},
	booktitle = {Lichens of Great Britain \& Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Hitch, C.J.B. and Purvis, O.W.}
}
