Basionym Name:Parmelia tiliacea var. sulphurosa Tuck., Syn. N. Amer. Lich. (Boston) 1: 57 (1882)
Homotypic synonyms:Parmelia quercina var. sulphurosa (Tuck.) Zahlbr., Cat. Lich. Univers. 6: 192 (1929)Parmelia sulphurosa (Tuck.) Fink, Lich. Fl. U.S.: 328 (1935)