Rhopalocyclus herrei Schwantes in Gartenwelt 32: 599. 1928 Rhopalocyclus herrei Schwantes in Gartenwelt 32: 599. 1928is basionym for Leipoldtia herrei (Schwantes) Schwantes in Natl. Cact. Succ. J. 4: 58. 1949Taxon for this nameRhopalocyclus herrei Schwantes