Basionym Name:Parmelia tribacia var. isidioidea Schaer., Enum. critic. lich. europ. (Bern): 39 (1850)
Homotypic synonyms:Physcia tribacia f. isidioidea (Schaer.) Sántha, Folia Cryptog., Szeged 1(no. 6): 499 (1928)Physcia tribacia var. isidioidea (Schaer.) Sántha, Folia Cryptog., Szeged 1(no. 6): 499 (1928)