@article {4019, title = {Cladoniaceae}, journal = {Nordic Lichen Flora}, volume = {5}, year = {2013}, pages = {117 pp.}, isbn = {978-91-85221-29-5}, author = {Ahti, T. and Stenroos, S. and Moberg, R.} } @article {3335, title = {The lichen genus Heterodermia in Europe and the Macaronesian islands}, journal = {Bibliotheca Lichenologica}, volume = {88}, year = {2004}, pages = {453-463}, author = {Moberg, R.} } @article {3326, title = {Studies on the lichens of the Azores. Part 4. The genus Heterodermia}, journal = {Symbolae Botanicae Upsalienses}, volume = {32}, year = {1996}, pages = {187-194}, author = {Moberg, R. and Purvis, O.W.} } @book {2911, title = {Cladoniaceae}, series = {Nordic Lichen Flora}, volume = {5}, year = {2013}, pages = {116 pp}, publisher = {Nordic Lichen Society}, organization = {Nordic Lichen Society}, address = {Uppsala}, isbn = {978-91-85221-29-5}, author = {Ahti, T. and Stenroos, S.}, editor = {Ahti, T. and Stenroos, S. and Moberg, R.} }