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Host Plants

confirmed

Likely
Gumweed
Grindelia hirsutula
Idaho Gumplant
Grindelia nana
Oregon Gumweed
Grindelia stricta
Telegraph Weed
Heterotheca grandiflora
Oregon False Goldenaster
Heterotheca oregona
False Goldenaster
Heterotheca sessiliflora
California Horkelia
Horkelia californica
Cleveland's Horkelia
Horkelia clevelandii
Wedge Leaf Horkelia
Horkelia cuneata
Pinewoods Horkelia
Horkelia fusca
Point Reyes Horkelia
Horkelia marinensis
Rydberg's Horkelia
Horkelia rydbergii
Silky Horkelia
Horkelia sericata
Thin-lobed Horkelia
Horkelia tenuiloba
Threetooth Horkelia
Horkelia tridentata
Ramona Horkelia
Horkelia truncata
Barton Flats Horkelia
Horkelia wilderae
Santa Lucia Horkelia
Horkelia yadonii
Congdon's False Horkelia
Horkeliella congdonis
Purple False Horkelia
Horkeliella purpurascens