Basionym Name:Baeomyces rupestris var. lignorum Ach., Methodus, Sectio post. (Stockholmiæ): 322 (1803)
Homotypic synonyms:Baeomyces lignorum (Ach.) Gray, Nat. Arr. Brit. Pl. (London) 1: 413 (1821)Baeomyces rufus var. lignorum (Ach.) Ach., Syn. meth. lich. (Lund): 280 (1814)Sphyridium byssoides f. lignorum (Ach.) Th. Fr., Lich. Scand. (Upsaliae)(2): 328 (1874)Sphyridium byssoides var. lignorum (Ach.) Th. Fr., Lich. Scand. (Upsaliae)(2): 328 (1874)