Monvillea diffusa Britton & Rose, Cactaceae 2: 24, f. 23. 1920
Monvillea diffusa, Cactaceae 2: 24, f. 23. 1920
is basionym for Praecereus euchlorus subsp. diffusus in Cactaceae Consensus Init. 3: 10. 1997
is basionym for Cereus diffusus in Backeberg, Neue Kakteen: 69. 1931
is basionym for Praecereus diffusus