@inbook {5487, title = {Lecanora Ach. in Luyken (1809)}, booktitle = {Lichens of Great Britain and Ireland}, year = {2009}, pages = {465-502}, publisher = {British Lichen Society}, organization = {British Lichen Society}, address = {London}, author = {Edwards, B. and Aptroot, A. and Hawksworth, D.L. and James, P.W.} } @inbook {4047, title = {Lecanora}, booktitle = {Lichens of Great Britain and Ireland}, year = {2009}, pages = {465-502}, publisher = {British Lichen Society}, organization = {British Lichen Society}, address = {London}, author = {Edwards, B. and Aptroot, A. and Hawksworth, D.L. and James, P.W.} }