. . . . "Cactaceae" . . "Applecactus" . . "(F.A.C. Weber) Britton and Rose" . . "Harrisia pomanensis" . . "Caryophyllales" . "Magnoliopsida" . "Harrisia pomanensis (F.A.C. Weber) Britton and Rose" . "Harrisia" . "Magnoliophyta" . . . . "Plantae" . .