Eriocactus claviceps F.Ritter in Succulenta (Netherlands) 45: 115. 1966
Eriocactus claviceps in Succulenta (Netherlands) 45: 115. 1966
is basionym for Parodia schumanniana subsp. claviceps in Cactaceae Consensus Init. 6: 12. 1998
is basionym for Notocactus schumannianus subsp. claviceps in Sukkulenty 2(2): 23. 1999
is basionym for Eriocephala claviceps in Cact.-Avent. Int. 99: 25. 2013
is basionym for Eriocephala schumanniana subsp. claviceps in Cactology 3 (Suppl. III): 1. 2012
is basionym for Eriocactus schumannianus subsp. claviceps in Turczaninowia 3(3): 7. 2000
is basionym for Notocactus claviceps, Städtische Sukkulentensammlung Zürich, Kat. Kult. Stehenden Art., ed. 2: 89. 1967
is basionym for Parodia claviceps in Kakteen Orch. Rundschau 7: 62. 1982