species 7,099 observations

Western White

Pontia occidentalis

Field notes

Pontia occidentalis, the western white, is a butterfly in the family Pieridae. It is found in Western North America.

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Supported by All

221 native plants
support it in the US

Caterpillar hosts Plants its caterpillars eat Virginia Pepperweed, Mountain Jewelflower, Wedgeleaf Draba, California Mustard 35
Nectar plants Plants whose flowers it visits Prairie Pasqueflower, Hairy False Goldenaster, Mountain Coyote Mint, Pyrola-leaf Buckwheat 186

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided