Basionym Name:Cetraria tenuissima f. sorediella Erichsen, Verh. bot. Ver. Prov. Brandenb. 72: 22 (1930)
Homotypic synonyms:Cornicularia aculeata f. sorediella (Erichsen) Grummann, in Hillmann & Grummann, Krypt.-Fl. Brandenburg (Leipzig) 8: 696 (1957)Cornicularia muricata var. sorediella (Erichsen) Erichsen, Annls mycol. 42(1-2): 36 (1944)Cornicularia tenuissima f. sorediella (Erichsen) Zahlbr., Cat. Lich. Univers. 8: 574 (1932)