Echinopsis ancistrophora var. arachnacantha (Buining & F.Ritter) Rausch, Lobivia: 140. 1975 Echinopsis ancistrophora var. arachnacantha (Buining & F.Ritter) Rausch, Lobivia: 140. 1975is new combination for Lobivia arachnacantha Buining & F.Ritter in Succulenta (Netherlands) 1956: 37. 1956Taxon for this nameEchinopsis ancistrophora var. arachnacantha (Buining & F.Ritter) Rausch