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Western White
Pontia occidentalis (Reakirt 1866)
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Body symmetry
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Global Biotic Interactions
Phoenicaulis cheiranthoides Nutt. (wallflower phoenicaulis)
Global Biotic Interactions
Lepidium densiflorum Schrad. (common pepperweed)
Global Biotic Interactions
Draba cuneifolia Nutt. (wedgeleaf draba)
Global Biotic Interactions
Draba crassifolia Graham (snowbed draba)
Global Biotic Interactions
Streptanthus barbatus S. Watson (Pacific jewelflower)
Global Biotic Interactions
Sisymbrium altissimum L. (tall tumblemustard)
Global Biotic Interactions
Noccaea fendleri (A. Gray) Holub (Fendler's pennycress)
Global Biotic Interactions
Lepidium campestre (L.) W. T. Aiton (field pepperweed)
Global Biotic Interactions
Athysanus pusillus (Hook.) Greene (common sandweed)
Global Biotic Interactions
Sisymbrium officinale (L.) Scop. (English watercress)
Global Biotic Interactions
Brassica nigra (L.) W. D. J. Koch (black mustard)
Global Biotic Interactions
Draba howellii S. Watson (rosette draba)
Global Biotic Interactions
Streptanthus tortuosus Kellogg (shieldplant)
Global Biotic Interactions
Descurainia incana (Bernh. ex Fisch. & C. A. Mey.) Dorn (mountain tansymustard)
Global Biotic Interactions
Lepidium ramosissimum A. Nelson (manybranched pepperweed)
Global Biotic Interactions
Lepidium virginicum L. (Virginia pepperweed)
Global Biotic Interactions
Chorispora tenella (Pall.) DC. (crossflower)
Global Biotic Interactions
Descurainia sophia (L.) Webb ex Prantl (herb sophia)
Global Biotic Interactions
Peritoma lutea
Global Biotic Interactions
Caulanthus lasiophyllus (Hook. & Arn.) Payson (California mustard)
Global Biotic Interactions
Barbarea vulgaris (L.) W. T. Aiton (winter-cress, yellow rocket)
Global Biotic Interactions
Lepidium fremontii S. Watson (desert pepperweed)