@article {1459, title = {Studies on the genus Nephroma I. The European and Macaronesian species}, journal = {The Lichenologist}, volume = {19}, number = {3}, year = {1987}, pages = {215-268}, author = {P.W. James and F. Joy White} } @article {97, title = {The Lichen Genus Psoromidium Stirton}, journal = {The Lichenologist}, volume = {17}, number = {2}, year = {1985}, pages = {173-188}, chapter = {173}, author = {D.J. Galloway and P.W. James} } @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} } @article {100, title = {Further Nomenclatural and Chemical Notes on Pseudocyphellaria in New Zealand}, journal = {The Lichenologist}, volume = {15}, number = {2}, year = {1983}, pages = {135-145}, chapter = {135}, author = {D.J. Galloway and P.W. James and A.L.Wilkins} } @article {98, title = {Studies on some Leptogium species of Western Europe}, journal = {The Lichenologist}, volume = {15}, number = {2}, year = {1983}, pages = {109-125}, chapter = {109}, author = {P.M J{\o}rgensen 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 {1342, title = {Studies in the lichen family Pannariaceae IV: The genus Degelia}, journal = {Bibliotheca Lichenologica}, volume = {38}, year = {1990}, pages = {253-276}, author = {P.M J{\o}rgensen and P.W. James} } @article {103, title = {Studies on the genus Nephroma II. The Southern Temperate Species}, journal = {The Lichenologist}, volume = {20}, number = {2}, year = {1988}, pages = {103-166}, chapter = {103}, author = {F. Joy White and P.W. James} } @article {709, title = {Two aquatic cyanolichens, new to the Azores}, journal = {The Lichenologist}, volume = {30}, number = {6}, year = {1998}, pages = {593-595}, author = {Per Magnus J{\o}rgensen and P.W. James} }