Pereskia vargasii var. longispina Rauh & Backeb., Descr. Cact. Nov. 1: 6. 1957 ["1956"] Pereskia vargasii var. longispina Rauh & Backeb., Descr. Cact. Nov. 1: 6. 1957 ["1956"]Taxon for this namePereskia vargasii var. longispina Rauh & Backeb.