Homotypic Synonyms See Note

Basionym Name:
Parmelia obsessa Ach., Syn. meth. lich. (Lund): 195 (1814)

Homotypic synonyms:
Myelochroa obsessa (Ach.) Elix & Hale, Mycotaxon 29: 241 (1987)
Parmelia placorodia var. obsessa (Ach.) Nyl. ex Malbr., Bull. Soc. Amis Sci. Nat. Rouen 5: 318 (1869)
Parmelina obsessa (Ach.) Hale, Phytologia 28(5): 483 (1974)
Parmeliopsis aleurites f. obsessa (Ach.) Gyeln., Lilloa 3: 69 (1938)
Parmeliopsis diffusa var. obsessa (Ach.) Zahlbr., Cat. Lich. Univers. 6: 15 (1929)
Parmeliopsis placorodia f. obsessa (Ach.) Hue, Rev. Bot. 4: 383 (1885)