Parodia schumanniana subsp. claviceps (F.Ritter) Hofacker & P.J.Braun in Cactaceae Consensus Init. 6: 12. 1998
Parodia schumanniana subsp. claviceps in Cactaceae Consensus Init. 6: 12. 1998
is new combination for Eriocactus claviceps in Succulenta (Netherlands) 45: 115. 1966