@article {130, title = {Nitrogen Metabolism in Lichens. VII. Nitrogenase Activity and Heterocyst Frequency in Lichens with Blue-Green Phycobionts}, journal = {New Phytologist}, volume = {75}, number = {2}, year = {1975}, pages = {239-244}, chapter = {239}, url = {http://www.jstor.org/stable/2430715}, author = {C.J.B. Hitch and J.W. Millbank} } @article {1202, title = {The lichen flora of the outer Hvalfj{\"o}rdur area in West Iceland}, journal = {Acta Botanica Islandica}, volume = {8}, year = {1985}, pages = {31-50}, chapter = {31}, author = {H{\"o}rdur Kristinsson} } @book {683, title = {American Arctic Lichens I. The Macrolichens}, year = {1984}, publisher = {Columbia University Press}, organization = {Columbia University Press}, issn = {0231058888, 9780231058889}, author = {Thomson, John Walter and Bethia Brehmer} } @article {108, title = {Studies in the lichen genus Psoroma 2. Psoroma fruticulosum and Psoroma rubromarginatum}, journal = {Mycotaxon}, volume = {18}, number = {1}, year = {1983}, pages = {29-48}, chapter = {29}, author = {D.J. Galloway and A. Henssen and B. Renner and K. Marton and P.W. James} } @book {47, title = {The Lichen Flora of Great Britian and Ireland}, year = {1992}, publisher = {Natural History Museum Publications}, organization = {Natural History Museum Publications}, address = {London}, author = {O.W. Purvis and D.M. Moore and B.J. Coppins and D.L. Hawksworth and P.W. James} } @article {650, title = {Lichens of Attu Island, Alaska}, journal = {The Bryologist}, volume = {94}, number = {4}, year = {1991}, pages = {421-426}, chapter = {421}, url = {http://www.jstor.org/stable/pdfplus/3243837.pdf}, author = {Talbot, Stephen S. and Sandra Looman Talbot and Thomson, John W.} } @article {648, title = {Lichens Collected on an Alaska Highway Expedition in Alaska and Canada}, journal = {The Bryologist}, volume = {97}, number = {2}, year = {1994}, pages = {138-157}, chapter = {138}, url = {http://www.jstor.org/stable/pdfplus/3243751.pdf}, author = {Thomson, John W. and Ahti, T} } @article {1450, title = {Lichenized, lichenicolous and other fungi from North and North-East Greenland}, journal = {Folia Cryptogamica Estonica}, volume = {37}, year = {2000}, pages = {1-20}, url = {http://www.ut.ee/ial5/fce/FCE_eLibrary/FCEeBooks/FCE37eBook.pdf}, author = {Vagn Alstrup and Eric Steen Hansen and Fred J.A. Daniels} } @book {1453, title = {Lichens}, series = {The new naturalist}, year = {2000}, pages = {288}, publisher = {HarperCollins}, organization = {HarperCollins}, address = {London}, isbn = {0002200821}, author = {Oliver Gilbert} } @article {677, title = {Survey of the Lichen Family Pannariaceae on the American Continent, North of Mexico}, journal = {The Bryologist}, volume = {103}, number = {4}, year = {2000}, pages = {670-704}, chapter = {670}, url = {http://www.jstor.org/stable/pdfplus/3244332.pdf}, author = {Per M. J{\o}rgensen} } @article {1375, title = {Survey of the Lichen Family Pannariaceae on the American Continent, North of Mexico}, journal = {The Bryologist}, volume = {103}, number = {4}, year = {2000}, pages = {670-704}, author = {Per M. J{\o}rgensen} } @article {93, title = {On Psoroma species from the Southern Hemisphere with Cephalodia Producing Vegetative Dispersal Units}, journal = {The Lichenologist}, volume = {31}, number = {4}, year = {1999}, pages = {341-347}, chapter = {341}, author = {Per M. J{\o}rgensen and M. Wedin} } @book {50, title = {Lichen Flora of the Greater Sonoran Desert Region}, volume = {1}, year = {2001}, publisher = {Lichens Unlimited}, organization = {Lichens Unlimited}, address = {Tempe}, author = {Thomas H. Nash_III and Bruce D. Ryan and Corinna Gries and Frank Bungartz} } @article {107, title = {Notes on African Pannariaceae (lichenized ascomycetes)}, journal = {The Lichenologist}, volume = {35}, number = {1}, year = {2003}, pages = {11-20}, chapter = {11}, author = {Per M. J{\o}rgensen} } @article {732, title = {Index Fungorum [taxonomy information]}, year = {2008}, url = {http://www.indexfungorum.org/Names/Names.asp} } @article {763, title = {Outline of Ascomycota - 2007. [Classification Information]}, journal = {Myconet}, volume = {13}, year = {2007}, month = {12/2007}, pages = {1-58}, issn = {1403-1418}, url = {http://www.fieldmuseum.org/myconet/outline.asp$\#$classLichin}, author = {H. Thorsten Lumbsch and Sabine M. Huhndorf} } @book {1154, title = {The Macrolichens of New England}, series = {Memoirs of the New York Botanical Garden}, volume = {96}, year = {2007}, publisher = {The New York Botanical Garden Press}, organization = {The New York Botanical Garden Press}, address = {China}, author = {James W. Hinds and Patricia L. Hinds} }