@article {3883,
	title = {Four new species of Verrucaria (Verrucariaceae, lichenized Ascomycota) from freshwater habitats in Europe},
	journal = {Lichenologist},
	volume = {45},
	year = {2013},
	pages = {305-322},
	issn = {0024-2829},
	doi = {10.1017/S0024282912000898},
	url = {http://www.journals.cambridge.org/abstract_S0024282912000898},
	author = {Orange, A.}
}
@book {3069,
	title = {British Pyrenocarpous Lichens},
	year = {2013},
	pages = {250 pp.},
	publisher = {National Museums of Wales},
	organization = {National Museums of Wales},
	address = {Cardiff},
	author = {Orange, A.}
}
@inbook {2862,
	title = {Verrucaria},
	booktitle = {Lichens of Great Britain and Ireland},
	year = {2009},
	pages = {931-957},
	publisher = {British Lichen Society},
	organization = {British Lichen Society},
	address = {London},
	author = {Orange, A. and Hawksworth, D.L. and McCarthy, P.M. and Fletcher, A.}
}
