Literature

Authorssort ascendingYearTitle
J. Walter Thomson, Brehmer B.1984American Arctic Lichens I. The Macrolichens
J. W. Thomson, Ahti T.1994Lichens Collected on an Alaska Highway Expedition in Alaska and Canada
S. S. Talbot, Talbot, S. Looman, Thomson, J. W.1991Lichens of Attu Island, Alaska
O. W. Purvis, Moore, D. M., Coppins, B. J., Hawksworth, D. L., James, P. W.1992The Lichen Flora of Great Britian and Ireland
T. H. Nash_, III, Ryan, B. D., Gries, C., Bungartz, F.2001Lichen Flora of the Greater Sonoran Desert Region
T. H. Lumbsch, Huhndorf S. M.2007Outline of Ascomycota - 2007. [Classification Information]
H. Kristinsson1985The lichen flora of the outer Hvalfjördur area in West Iceland
P. M. Jørgensen, Wedin M.1999On Psoroma species from the Southern Hemisphere with Cephalodia Producing Vegetative Dispersal Units
P. M. Jørgensen2000Survey of the Lichen Family Pannariaceae on the American Continent, North of Mexico
P. M. Jørgensen2000Survey of the Lichen Family Pannariaceae on the American Continent, North of Mexico
P. M. Jørgensen2003Notes on African Pannariaceae (lichenized ascomycetes)
C. J. B. Hitch, Millbank J. W.1975Nitrogen Metabolism in Lichens. VII. Nitrogenase Activity and Heterocyst Frequency in Lichens with Blue-Green Phycobionts
J. W. Hinds, Hinds P. L.2007The Macrolichens of New England
O. Gilbert2000Lichens
D. J. Galloway, Henssen, A., Renner, B., Marton, K., James, P. W.1983Studies in the lichen genus Psoroma 2. Psoroma fruticulosum and Psoroma rubromarginatum
V. Alstrup, Hansen, E. Steen, Daniels, F. J. A.2000Lichenized, lichenicolous and other fungi from North and North-East Greenland
2008Index Fungorum [taxonomy information]
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith