Basionym Name:Sagedia declivum Bagl. & Carestia, Comm. Soc. crittog. Ital. 1(fasc. 4): 445 (1863)
Homotypic synonyms:Porina declivum (Bagl. & Carestia) Lettau, Hedwigia 52(3-4): 105 (1912)Porina mammillosa var. declivum (Bagl. & Carestia) Zahlbr., Cat. Lich. Univers. 1: 393 (1922)Segestria declivum (Bagl. & Carestia) Dalla Torre & Sarnth., Fl. Tirol, Vorarlberg, Liechtenstein, IV Band. Die Flechten von Tirol: 569 (1902)Verrucaria decliva (Bagl. & Carestia) Stizenb., [as 'declivum'] Ber. Tät. St Gall. naturw. Ges.: 504 (1882)Verrucaria mammillosa var. declivum (Bagl. & Carestia) Vain., Meddn Soc. Fauna Flora fenn. 10: 184 (1883)