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confirmed
Likely
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Host Plants
confirmed LikelyGray 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
Bitter Cherry
Prunus emarginata
Hollyleaf Cherry
Prunus ilicifolia
Klamath Plum
Prunus subcordata
Chokecherry
Prunus virginiana
Western Chokecherry
Prunus virginiana var. demissa
Sandbar Willow
Salix exigua
Sandbar Willow
Salix exigua var. hindsiana
Coastal Willow
Salix hookeriana
Red Willow
Salix laevigata
Shining Willow
Salix lasiandra
Yellow Willow
Salix lasiandra var. lasiandra
Arroyo Willow
Salix lasiolepis
Dusky Willow
Salix melanopsis
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Tracy's Willow
Salix tracyi
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