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Host Plants

Flower name confirmed
Flower name Likely

Common Yarrow

Achillea millefolium

Coast Onion

Allium dichlamydeum

Marsh Marigold

Caltha leptosepala

Rough Harebell

Campanula scabrella

Scouler's Harebell

Campanula scouleri

Fireweed

Chamerion angustifolium

Franciscan Thistle

Cirsium andrewsii

Indian Thistle

Cirsium brevistylum

Douglas' Thistle

Cirsium douglasii

Cobweb Thistle

Cirsium occidentale

Brownie Thistle

Cirsium quercetorum

Fewleaf Thistle

Cirsium remotifolium

Surf Thistle

Cirsium rhothophilum

Candy Flower

Claytonia sibirica

Rattlesnake Weed

Daucus pusillus

Panicled Willow Herb

Epilobium brachycarpum

Smooth Boisduvalia

Epilobium campestre

California Fuchsia

Epilobium canum

Northern Willow Herb

Epilobium ciliatum

Denseflower Willowherb

Epilobium densiflorum

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