Echinopsis ancistrophora var. hamatacantha (Backeb.) Rausch, Lobivia: 140. 1975 Echinopsis ancistrophora var. hamatacantha (Backeb.) Rausch, Lobivia: 140. 1975is new combination for Echinopsis hamatacantha Backeb. in Kaktusář 5: 69. 1934Taxon for this nameEchinopsis ancistrophora var. hamatacantha (Backeb.) Rausch