Cactaceae
Cactus Family
2 genera
3 species
1 subspecies and varieties
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Opuntia columbianaColumbia prickly pear
Distribution: Occurring east of the Cascades in Washington; southern British Columbia south to eastern Oregon.
Habitat: Plains and foothills to the lower mountains.
Origin: Native
Flowers: May-June
Opuntia fragilisbrittle prickly-pear, little prickly-pear
Distribution: British Columbia to California, east to Michigan and Texas
Habitat: Dry, open, often sandy soil
Origin: Native
Flowers: May - June
Pediocactus nigrispinussnowball cactus
Distribution: Endemic to central Washington, Chelan to Yakima Counties.
Habitat: Often with sagebrush, desert valleys to low mountains.
Origin: Native
Flowers: May-July
ssp. nigrispinus – dark-spine ball cactus