The publication provides detailed information on morphology, chemistry and distribution for 327 genera and 1873 species.
This is part of our Good Practice Guidance for Habitats and Flora, produced by Richard Jefferson, Dominic Price, Iain Diack, Steve Coates and Andy Mclay.
Reference: Smith, C.W., Aproot, A., Coppins, B.J., Fletcher, A., Gilbert, O.L., James, P.W. and Wolseley, P.A. (2009) The lichens of Great Britain and Ireland. British Lichen Society.