TY - CHAP T1 - Peltigera T2 - Lichens of Great Britain and Ireland Y1 - 2009 A1 - Hitch, C.J.B. A1 - Fletcher, A. A1 - Purvis, O.W. A1 - James, P.W. JF - Lichens of Great Britain and Ireland PB - British Lichen Society CY - London ER -