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Size: 1.5 - 2.0 inches wingspan
Key ID features: Above, white with black markings near tip of forewing. Below, bold greenish borders along veins especially on hindwing.
Similar species: Western White is smaller and much less green along veins below.
Host plant: A large number of arid land mustards.
Habitat: Arid habitats, both disturbed and undisturbed.
Range: Primarily east of the Cascade Mtns, with a few records in the Willamette Valley.
Season: Mid-March to mid-September
Conservation Status: Secure
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