Echinopsis silvatica F.Ritter in Succulenta (Netherlands) 44: 24. 1965 Echinopsis silvatica F.Ritter in Succulenta (Netherlands) 44: 24. 1965is basionym for Echinopsis mamillosa subsp. silvatica (F.Ritter) P.J.Braun & Esteves in Succulenta (Netherlands) 74: 130. 1995Taxon for this nameEchinopsis silvatica F.Ritter