Mammillaria microthele (Syn: Mammillaria formosa var. microthele "superfina ")
Mammillaria microthele var. superfina
Photo: Mammillaria formosa v. microthele fa. superfine | Cactus Mammillaria album | Cok Grootscholten Succulent World .. | Fotki.com, photo and video sharing made easy.
Mammillaria microthele var. Superfina , - uploaded by @Jod_Jod_1207
Mammillaria microthele v. superfina | David Traish LRPS | Flickr