The Mammillaria camptotricha is a small clumping cactus which is native to Mexico. It has soft long twisted spines which form a dense cluster, giving it its common name Bird nest Cacti. Produces small white bell shaped flowers. 

RATING- Easy

LOVES- Well draining, porous soil. Lots of bright light.

HATES- Water-logged soil.

Pot diameter 5.5cm

More information and care recommendations are below.