Neomammillaria microhelia var. microheliopsis (Werderm.) Y.Itô, Cactaceae: 587. 1981
Neomammillaria microhelia var. microheliopsis, Cactaceae: 587. 1981
is new combination for Mammillaria microheliopsis in Notizbl. Bot. Gart. Berlin-Dahlem 11: 278. 1931