Basionym Name:Parmelia elongata var. stricta Hillmann, Feddes Repert. Spec. Nov. Regni veg. 45: 171 (1938)
Homotypic synonyms:Hypogymnia stricta (Hillmann) K. Yoshida, Bull. natn. Sci. Mus., Tokyo, B 27(2, 3): 36 (2001)Hypogymnia vittata f. stricta (Hillmann) Kurok., Miscell. bryol. lichenol. (Nichinan) 5(9): 130 (1971)Parmelia vittata f. stricta (Hillmann) Asahina, J. Jap. Bot. 26: 97 (1951)