Mammillaria Society - Mammillaria hermosana This species is recently properly described, though has been known under a n.n. for some time. Its a true miniature, so will never need to get out
Mammillaria of the month
MAMMILLARIA hermosana VZD 1181 | CACTI
Mammillaria hermosana... - Cactus - Succulent - Literature | Facebook
Mammillaria hermosana | Giromagi cactus and succulents for sale | Buy plants online