Mammillaria virginis Fittkau & Kladiwa in Krainz, Kakteen 46–47: C VIIIc. 1971 Mammillaria virginis Fittkau & Kladiwa in Krainz, Kakteen 46–47: C VIIIc. 1971Taxon for this nameMammillaria virginis Fittkau & Kladiwa