Colias scudderii

eat

• Global Biotic Interactions: Salix planifolia Pursh (diamondleaf willow)
• Global Biotic Interactions: Salix reticulata L. (netleaf willow)

visit flowers of

• Global Biotic Interactions: Arnica cordifolia Hook. (heartleaf arnica)
• Global Biotic Interactions: Senecio triangularis Hook. (arrowleaf ragwort)
• Global Biotic Interactions: Packera werneriifolia (A. Gray) W. A. Weber & Á. Löve (hoary groundsel)
• Global Biotic Interactions: Pyrrocoma lanceolata var. lanceolata (Hook.) Greene
• Global Biotic Interactions: Rhodiola rhodantha (Gray) Jacobsen (redpod stonecrop)