@article {1486, title = {Leptogium cochleatum and Rinodina isidioides new to Scandinavia}, journal = {Graphis Scripta}, volume = {6}, year = {1994}, pages = {85-88}, author = {Tor T{\o}nsberg} } @article {1363, title = {Collema leptaleum new to Europe}, journal = {Graphis Scripta}, volume = {5}, year = {1993}, pages = {22-23}, author = {Tor T{\o}nsberg} } @article {1, title = {Notes on Some Small Species of Leptogium from Pacific North America}, journal = {The Bryologist}, volume = {102}, number = {3}, year = {1999}, chapter = {412}, author = {Per M. J{\o}rgensen and Tor T{\o}nsberg} } @article {690, title = {Pseudocyphellaria arvidssonii new to Africa, and P. mallota new to North America}, journal = {The Bryologist}, volume = {102}, year = {1999}, pages = {128}, url = {http://www.jstor.org/stable/pdfplus/3244475.pdf}, author = {Tor T{\o}nsberg} } @article {58, title = { Sticta oroborealis sp. nov., and Other Pacific North American Lichens Forming Dendriscocauloid Cyanotypes}, journal = {The Bryologist}, volume = {104}, number = {1}, year = {2001}, pages = {12-23}, chapter = {12}, url = {http://www.jstor.org/stable/pdfplus/3244911.pdf}, author = {Tor T{\o}nsberg and Trevor Goward} } @article {5, title = {Spilonemella, a New Genus of Cyanophilic Lichens with Species from North America and Japan (Coccocarpiaceae)}, journal = {The Bryologist}, volume = {103}, number = {1}, year = {2000}, pages = {108-116}, chapter = {108}, author = {Aino Henssen and Tor T{\o}nsberg} } @article {66, title = {Leioderma cherokeense (Pannariaceae, Lecanorales) sp. nov. from the Great Smoky Mountains, North Carolina, U.S.A.}, journal = {The Bryologist}, volume = {108}, number = {3}, year = {2005}, pages = {412-414}, chapter = {412}, author = {Per Magnus J{\o}rgensen and Tor T{\o}nsberg} }