Digressing Bromeliophile 🍍 on Twitter: "@markus_eichhorn Nice plant😍 I only have two Mammillaria at the moment, prolifera and plumosa. Wanted nivosa but somehow hardly anyone grows/propagates it here, despite it being likely
Mammillaria (Mammillaria muehlenpfordtii) in the Mammillarias Database - Garden.org
On-line Guide to the positive identification of Members of the Cactus Family
Mammillaria muehlenpfordtii
Mammillaria muehlenpfordtii (Syn. M. celsiana) (Golden Pincushion) « The Belmont Rooster
Mammillaria muehlenpfordtii C.F.Först. | Plants of the World Online | Kew Science
Correcting Mr. Muehlenpfordtii… « The Belmont Rooster
Mammillaria muehlenpfordtii | Colecção de cactos e suculenta… | Flickr
Cactus mammillaria muehlenpfordtii on brown stony ground in autumn with lots of white spines and pink flowers. Country of origin Mexico on the America Stock Photo - Alamy