Basionym Name:Umbilicaria labradorensis Hulting, [as 'labradorense'], in Eckfeldt, Bull. Torrey bot. Club 22(6): 245 (1895)
Homotypic synonyms:Gyrophora labradorensis (Hulting) Zahlbr., Cat. Lich. Univers. 4: 718 (1927)Lasallia pustulata f. labradorensis (Hulting) Llano, Hvalråd. Skr. 48: 122 (1965)