Basionym Name:Parmelia trulla Ach., Methodus, Sectio post. (Stockholmiæ): 256 (1803)
Homotypic synonyms:Borrera trulla (Ach.) Ach., Lich. Univ.: 496 (1810)Evernia trulla (Ach.) Nyl., Mém. Soc. Imp. Sci. Nat. Cherbourg 5: 99 (1858)Everniopsis trulla (Ach.) Nyl., Syn. meth. lich. (Parisiis) 1(2): 375 (1860)