Title: Biblio RTF Export
Author: Biblio 7.x

J. Walter Thomson and Brehmer, B., American Arctic Lichens I. The Macrolichens. Columbia University Press, 1984.

R.  Santesson, The Lichens of Sweden and Norway. Stockholm: Swedish Museum of Natural History, 1984, p. 333.

J. R.  Laundon, ?The Typification of Withering?s Neglected Lichens?, The Lichenologist, vol. 16, pp. 211-239, 1984.