Skult, H 1984: The Parmelia omphalodes (Ascomycetes) complex in Eastern Fennoscandia. - Annales Botanici Fennici21: 117-142. [RLL List # 122-91 / Rec.# 17508] Keywords: PARMELIA/ FENNOSCANDIA/ SWEDEN/ NORWAY/ FINLAND/ NEW TAXA
Abstract: 9 figures. 10 tables. [Recognition of three subspecies: Parmelia omphalodes (L.) Ach. subsp. omphalodes, P. omphalodes subsp. pinnatifida (Kurok.) comb. nov., and P. omphalodes subsp. discordans (Nyl.) comb. nov. "A fourth subspecies may possibly be separated in arctic regions." Parmelia omphalodes subsp. discordans appears to be absent from North America.]