Basionym Name:Pannaria deficiens Nyl., Not. Sällsk. Fauna et Fl. Fenn. Förh., Ny Ser. 8: 124 (1866)
Homotypic synonyms:Pannularia deficiens (Nyl.) Vain., Meddn Soc. Fauna Flora fenn. 6: 141 (1881)Parmeliella deficiens (Nyl.) Zahlbr., Cat. Lich. Univers. 3: 209 (1925)Trachyderma deficiens (Nyl.) Trevis., Lichenoth. Veneta 3-4: no. 98 (1869)