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Homotypic synonyms:Umbilicaria cirrosa var. lapponica (Frey) Motyka, Flora Polska, Porosty (Warszawa/Krakow) 4(2): 90 (1964)Umbilicaria spadochroa var. lapponica Frey, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(4.1): 274 (1933)