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Silvery blue butterfly

Glaucopsyche lygdamus australis

Federal: Endangered, CA: Endangered, CA Special Concern

Federal and state endangered; southern California subspecies

Silvery-blue butterfly with white-spotted underside. Caterpillars exclusively eat native lupines and vetches; indicates healthy native plant populations.

Plants that support Silvery blue butterfly

1 plants

Blue-eyed Grass

Sisyrinchium bellum

moderate

perennial herb

Spring bloom period provides nectar for adults during emergence

Bay Area native