Frailea pumila subsp. colombiana (Werderm.) Prestlé in Gattung Frailea: 156. 1997 Frailea pumila subsp. colombiana (Werderm.) Prestlé in Gattung Frailea: 156. 1997is new combination for Echinocactus colombianus Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 271. 1931Taxon for this nameFrailea pumila subsp. colombiana (Werderm.) Prestlé