Basionym Name:Spiloma decolorans Turner & Borrer, in Smith & Sowerby, Engl. Bot. 34: tab. 2399 (1812)
Homotypic synonyms:Arthonia biformis f. decolorans (Turner & Borrer) Schaer., Enum. critic. lich. europ. (Bern): 243 (1850)Arthonia biformis var. decolorans (Turner & Borrer) Schaer., Enum. critic. lich. europ. (Bern): 243 (1850)Dendrographa decolorans (Turner & Borrer) Ertz & Tehler, Fungal Diversity 49(1): 53 (2011)Parmelia impolita var. decolorans (Turner & Borrer) Spreng., Fl. halensis, Edn 2: 536 (1832)