Basionym Name:Pertusaria leucosora subsp. digrediens Nyl., in Parrique, Act. Soc. linn. Bordeaux 53: 91 (1898)
Homotypic synonyms:Pertusaria digrediens (Nyl.) Harm., [as 'disgrediens'] Lich. Fr. 5: 1112 (1913)Pertusaria digrediens f. digrediens (Nyl.) Harm., Lich. Fr. 5: 1112 (1913)Pertusaria leucosora var. digrediens (Nyl.) Boistel, [as 'disgrediens'] Nouv. Fl. Lich. (Paris) 2: 163 (1903)