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Columbia Plateau Cactus Pediocactus nigrispinus , with Balsamorhiza hookeri (Hooker's balsamroot) and lupines

Whiskey Dick mountain area (sagebrush shrub-steppe)
Kittitas County, Washington, USA
elevation ~ 1050 meters, 3500 feet

Pediocactus, Echinocereus and Echinopsis species are often called Hedgehog cactus, after the Hedgehog

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These Spring Canyon Barrel Cacti grow in a very different environment than what I have seen above Penasquitos Canyon. There is a large population on top of a hot, dry south-facing rocky hill above Penasquitos Canyon. In Spring Canyon, they grow in the sandy loam soils of the canyon bottom. Nearby plants include Prunus ilicifolia, which like a little extra water.