Basionym Name:Lichen simplex Roth, Tentam. Fl. German. 1: 510 (1788)
Homotypic synonyms:Cenomyce pyxidata f. simplex (Roth) Ach., Syn. meth. lich. (Lund): 252 (1814)Cladonia pyxidata f. simplex (Roth) Leight., J. Linn. Soc., Bot. 9: 187 (1867)Cladonia pyxidata var. simplex (Roth) Th. Fr., Lich. Scand. (Upsaliae)(1): 89 (1871)Scyphophorus pyxidatus var. simplex (Roth) Mérat, Nouv. Fl. Environs Paris, Edn 2 1: 210 (1821)