Pseudolobivia hamatacantha (Backeb.) Backeb., Stachlige Wildnis: 253. 1942 Pseudolobivia hamatacantha (Backeb.) Backeb., Stachlige Wildnis: 253. 1942is new combination for Echinopsis hamatacantha Backeb. in Kaktusář 5: 69. 1934Taxon for this namePseudolobivia hamatacantha (Backeb.) Backeb.