Mammillaria moellerianaM. moelleriana is a small cactus that appears above the ground as a squat, spherical stem, completely covered by very strong hooked spines, and usually solitary. In cultivation the plant's stem may be cylindrical. It is also one of the more difficult to grow, as it is subject to losing its roots.
Uhlig Kakteen - Mammillaria moelleriana v. cowperae cv. Gelbe Dornen Shop
Mammillaria
Mammillaria Moelleriana
PlantFiles Pictures: Mammillaria (Mammillaria moelleriana f. cowperae) by Xenomorf
Mammilaria hi-res stock photography and images - Alamy
Mammillaria cowperae
PlantFiles Pictures: Mammillaria (Mammillaria moelleriana f
Mammillaria moelleriana f. cowperae
Mammillaria cowperae
Mammillaria moelleriana
Cochemiea setispina
Mammillaria moelleriana - Agaveville