Pediocactus
ball cactus
1 species
1 subspecies and varieties
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Pediocactus nigrispinusdark-spine ball cactus, snowball cactus
Distribution: Occurring east of the Cascades crest in central Washington; central Washington to southeastern Oregon, east to western Idaho.
Habitat: Lowland to montane sagebrush desert, grasslands, and coniferous forests.
Origin: Native
Flowers: April-July
ssp. nigrispinus – dark-spine ball cactus