Template:Magnusson, 1939a

• Magnusson, A.H. 1939. Studies in species of Lecanora, mainly the Aspicilia gibbosa group. Kungliga Svenska Vetenskapsakademiens Handlingar, Ser. 3, 17(5): 1–182.  
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  • Mattick Rec.# 21625 – Recent Literature on Lichens