Echinofossulocactus confusus (Britton & Rose) P.V.Heath in Calyx 2(3): 86. 1992 Echinofossulocactus confusus (Britton & Rose) P.V.Heath in Calyx 2(3): 86. 1992is new combination for Echinofossulocactus confusus Britton & Rose, Cactaceae 3: 120. 1922Taxon for this nameEchinofossulocactus confusus (Britton & Rose) P.V.Heath