@inbook {4458,
	title = {Platismatia},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {719-720},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Duke, T. and Purvis, O.W.}
}
@inbook {4455,
	title = {Cetraria},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {293-295},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Duke, T. and Purvis, O.W.}
}
@inbook {2688,
	title = {Allantoparmelia},
	booktitle = {Lichens of Great Britain \& Ireland},
	year = {2009},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Duke, T. and Purvis, O.W.}
}
