Cactus langsdorfii Lehm., Index Sem. (Hamburg): 17. 1826
Cactus langsdorfii, Index Sem. (Hamburg): 17. 1826
is basionym for Parodia langsdorfii in Cactaceae Consensus Init. 4: 6. 1997
is basionym for Wigginsia langsdorfii in Taxon 13(6): 211. 1964
is basionym for Ritterocactus langsdorfii in Sukkulenty 3: 60. 2000
is basionym for Echinocactus langsdorfii in Icon. Pl. Rar. 7-8: 79. 1831
is basionym for Notocactus langsdorfii in Kakteen And. Sukk. 17: 195. 1966
is basionym for Malacocarpus langsdorfii, Cactaceae 3: 199. f. 217. 1922
is basionym for Melocactus langsdorfii, Prodr. 3: 461. 1828