Basionym Name:Lecanora confragosa var. extrusa Vain., Meddn Soc. Fauna Flora fenn. 6: 150 (1881)
Homotypic synonyms:Rinodina confragosa var. extrusa (Vain.) H. Olivier, Mém. Soc. natn. Sci. nat. Cherbourg 37: 175 (1909)