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Host Plants

confirmed

Likely
Cobweb Thistle
Cirsium occidentale
Rubber Rabbitbrush
Ericameria nauseosa
Woolly Yerba Santa
Eriodictyon tomentosum
California Buckeye
Aesculus californica
California Milkweed
Asclepias californica
Heart Leaf Milkweed
Asclepias cordifolia
Woollypod Milkweed
Asclepias eriocarpa
Narrow Leaf Milkweed
Asclepias fascicularis
Serpentine Milkweed
Asclepias solanoana
Showy Milkweed
Asclepias speciosa
Arrow Leaved Balsam Root
Balsamorhiza sagittata
Indian Thistle
Cirsium brevistylum
Peregrine Thistle
Cirsium cymosum
Douglas' Thistle
Cirsium douglasii
Fountain Thistle
Cirsium fontinale
Suisun Thistle
Cirsium hydrophilum
Brownie Thistle
Cirsium quercetorum
Fewleaf Thistle
Cirsium remotifolium
Meadow Thistle
Cirsium scariosum
Firecracker Brodiaea
Dichelostemma ida-maia