Basionym Name:Parmelia angustata var. isidiella Stirt., Trans. Proc. N.Z. Inst. 32: 81 (1900)
Homotypic synonyms:Anzia angustata var. isidiella (Stirt.) Zahlbr., Cat. Lich. Univers. 6: 276 (1929)Pannaria angustata var. isidiella (Stirt.) Zahlbr., Cat. Lich. Univers. 8: 569 (1932)Pannoparmelia angustata var. isidiella (Stirt.) Zahlbr., Cat. Lich. Univers. 8: 568 (1932)