Haageocereus acranthus subsp. backebergii N.Calderón in Bradleya 25: 64. 2007
Haageocereus acranthus subsp. backebergii in Bradleya 25: 64. 2007
is basionym for Echinopsis limensis subsp. backebergii in Succulentopi@ 14: 20. 2015
Haageocereus acranthus subsp. backebergii in Bradleya 25: 64. 2007