Krainzia microhelia (Werderm.) Doweld in Sukkulenty 3: 43. 2000 Krainzia microhelia (Werderm.) Doweld in Sukkulenty 3: 43. 2000is new combination for Mammillaria microhelia Werderm. in Monatsschr. Deutsch. Kakteen-Ges. 2: 236. 1930Taxon for this nameKrainzia microhelia (Werderm.) Doweld