Echinofossulocactus confusus Britton & Rose, Cactaceae 3: 120. 1922
Echinofossulocactus confusus, Cactaceae 3: 120. 1922
is basionym for Echinocactus confusus
is basionym for Stenocactus confusus, Kaktus-ABC: 354. 1936 ["1935"]
is basionym for Efossus confusus in Cactography 5. 1926
is basionym for Brittonrosea confusa in Anales Soc. Ci. Argent. 96: 69. 1923
is basionym for Echinofossulocactus confusus in Calyx 2(3): 86. 1992
is basionym for Echinofossulocactus crispatus f. confusus in Calyx 2: 86. 1992