Basionym Name:Lecidea obscurata f. orphnina Vain., Meddn Soc. Fauna Flora fenn. 10: 138 (1883)
Homotypic synonyms:Rhizocarpon orphninum (Vain.) Vain., Acta Soc. Fauna Flora fenn. 53(no. 1): 278 (1922)Rhizocarpon orphninum f. orphninum (Vain.) Vain., Acta Soc. Fauna Flora fenn. 53(no. 1): 278 (1922)