Basionym Name:Sticta rigidula Delise, Hist. Lich. Sticta: 97 (1822)
Homotypic synonyms:Cyanisticta rigidula (Delise) C.W. Dodge, Beih. Nova Hedwigia 12: 178 (1964)Sticta argyracea f. rigidula (Delise) Zahlbr., Cat. Lich. Univers. 3: 371 (1925)Stictina argyracea f. rigidula (Delise) Nyl., in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 2: 295 (1890)Stictina argyracea var. rigidula (Delise) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 166 (1890)