Opuntia ventanensis Opuntia ventanensis M.A.Long in Haseltonia 18: 79, f. 1–4. 2012 sec. Hunt 20161Holotype: Argentina, prov. Buenos Aires, Sierras Australes Bonaerenses, Cerro Calvario, Partido de Tornquist, 17 Dec 2010, M.A. Long 2254 (BBB)1. Hunt, D.R. 2016: CITES Cactaceae Checklist. 3rd edition. – published by the authorContent