Basionym Name:Physcia muscigena var. isidiata Lynge, Vidensk. Skrifter, I. Math.-naturv. Klasse(no. 8): 60 (1916)
Homotypic synonyms:Physcia muscigena f. isidiata (Lynge) J.W. Thomson, Beih. Nova Hedwigia 7: 144 (1963)