Basionym Name:Sarcogyne simplex f. ferruginea Lettau, Feddes Repert. Spec. Nov. Regni veg. 57: 73 (1955)
Homotypic synonyms:Acarospora ferruginea (Lettau) Cl. Roux, in Roux et al., Bull. Inf. Ass. Franç. Lichén. 47(1): 30 (2022)Polysporina ferruginea (Lettau) M. Steiner ex Kantvilas, in Kantvilas, Lichenologist 30(6): 557 (1998)Polysporina simplex f. ferruginea (Lettau) Clauzade & Cl. Roux, Bull. Soc. bot. Centre-Ouest, Nouv. sér., num. spec. 7: 828 (1985)