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Host Plants

Flower name confirmed
Flower name Likely

Gray Alder

Alnus incana

Red Alder

Alnus rubra

Mountain Alder

Alnus incana ssp. tenuifolia

White Alder

Alnus rhombifolia

Fremont Cottonwood

Populus fremontii

Fremont Cottonwood

Populus fremontii ssp. fremontii

Black Cottonwood

Populus trichocarpa

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