Echinopsis oxygona f. werdermannii (Frič ex Fleisch.) J.Ullmann in Kaktusy (Brno) 50(Special 1): 25. 2014
Echinopsis oxygona f. werdermannii in Kaktusy (Brno) 50(Special 1): 25. 2014
is new combination for Echinopsis werdermannii in Friciana 7: 9. 1962