A monograph of the Norwegian Physciaceae Lynge, Bernt, 1884-1942 creator text book Christiania [Oslo] In commission at J. Dybwad 1916 1916
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ENG Lichens Norway Physciaceae Videnskabs-selskabet i Christiania, Mathematisk-naturvidenskabelig Klasse, 1916, no.8 https://www.biodiversitylibrary.org/bibliography/27746 10.5962/bhl.title.27746 John Crerar Libr CU-I CU-I