Stromatocactus W.F.von Karwinsky von Karwin ex C.F.Förster, 1885 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Ariocarpus Name Homonyms Stromatocactus Karw. ex C.F.Först. & Rümpler