Echinopsis chacoana Schütz in Kaktusář. Listy 17: 1. 1949
Echinopsis chacoana in Kaktusář. Listy 17: 1. 1949
is basionym for Acanthocalycium rhodotrichum subsp. chacoanum in Willdenowia 51: 264. 2021
is basionym for Echinopsis rhodotricha subsp. chacoana in Succulenta (Netherlands) 74(3): 130. 1995
is basionym for Echinopsis rhodotricha var. chacoana, Kakteen Südamerika 1: 263. 1979
Type: Paraguay, Chaco Boreal, cult. from seeds coll. Blossfeld (not preserved)