Mammillaria montensis
This name persists in catalogues, but it is referred to M.canelensis.
Mammillaria affinis montensis ROG 735
ROG 735 - Cascade de Basaseachic – Chihuahua – Mexico
From "Ento" Ennio Toso collection - Savona
Mammillaria affinis montensis ROG 735
ROG 735 - Cascade de Basaseachic – Chihuahua – Mexico