Studies on the lichen genus Usnea in East Fennoscandia and Pacific North America
By: Pekka Halonen
Contributors: Oulun yliopisto
Series: Acta Universitatis Ouluensis -- 340
Publisher: Oulun yliopisto
Published: 2000
Place of publication: Oulu
Language: eng
Notes: Thesis (doctoral)--University of Oulu, 2000.