Gilbert, OL" (ed.) 1982: British Lichen Society Bulletin. No. 51. Winter, 1982. - British Lichen Society. 25 pp. [RLL List # 116-35 / Rec.# 6580] Keywords: NEWSLETTER/ BRITISH LICHEN SOCIETY/ PARMELIA/ KEY/ BRITISH ISLES
Abstract: [News and views of members of the BLS. This issue includes a Key to Parmelia in Great Britain by P. James.]