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Pediocactus simpsonii var. nigrispinus

Common Name(s): Mountain Cactus, Plains Cactus
Synonym(s): Echinocactus simpsonii, Mammillaria simpsonii, Pediocactus nigrispinus

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Subfamily: Cactoideae Tribe: Cacteae	Distribution: Arizona, Colorado, Idaho, Montana, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming - United States (North America) Habit: Globose
Flower: Pink, Red, White, Yellow	Encounterability: Extremely Rare

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