Mountain Ball Cactus
Pediocactus simpsonii

Family: Cactus (Cactaceae)
AKA: Nipple Cactus
Photo taken on: May 8, 2004
Location: Almont, CO
Life Zones: Foothills to montane
Habitat: Dry meadows, sagebrush

Cactus grows in a ball to 6" in diameter, only a few inches high. Central spines are brown, outer spines white.

Flowers are fragrant and can be white, pink, yellow or yellow-green.

Photo taken on: May 17, 2012
Location: Natural Bridges National Monument, UT

Flora of North America reference.