Basionym Name:Physcia attenuata Pers., Ann. Wetter. Gesellsch. Ges. Naturk. 2(1): 18 (1810)
Homotypic synonyms:Ramalina attenuata (Pers.) Tuck., U.S. Explor. Expedit. Wilkes 17: 129 (1861)Ramalina attenuata f. attenuata (Pers.) Tuck., U.S. Explor. Expedit. Wilkes 17: 129 (1861)