Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897 Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897is new combination for Echinopsis forbesii A.Dietr. in Allg. Gartenzeitung 17: 193. 1849Taxon for this nameEchinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey.