@article {4083,
	title = {Pseudevernia furfuracea (L.) Zopf and its chemical races in the British Isles},
	journal = {Lichenologist},
	volume = {5},
	year = {1971},
	pages = {51-58},
	issn = {0024-2829},
	doi = {10.1017/S0024282971000094},
	url = {http://www.journals.cambridge.org/abstract_S0024282971000094},
	author = {Hawksworth, D.L. and Chapman, D.S.}
}
