Host Plants
confirmed
LikelyPacific Silver Fir
Abies amabilis
Sitka Spruce
Picea sitchensis
Western Hemlock
Tsuga heterophylla
Grand Fir
Abies grandis
White Alder
Alnus rhombifolia
Red Alder
Alnus rubra
Pale Serviceberry
Amelanchier pallida
Service Berry
Amelanchier utahensis
Osoberry
Oemleria cerasiformis
Bitter Cherry
Prunus emarginata
Hollyleaf Cherry
Prunus ilicifolia
Klamath Plum
Prunus subcordata
Chokecherry
Prunus virginiana
Western Chokecherry
Prunus virginiana var. demissa
Golden Currant
Ribes aureum
Golden Currant
Ribes aureum var. gracillimum
Stink Currant
Ribes bracteosum
Hillside Gooseberry
Ribes californicum
Hillside Gooseberry
Ribes californicum var. californicum
Wax Currant
Ribes cereum
Spreading Gooseberry
Ribes divaricatum
Straggly Gooseberry
Ribes divaricatum var. pubiflorum
White Flowering Currant
Ribes indecorum
Whitestem Gooseberry
Ribes inerme
Whitestem Gooseberry
Ribes inerme var. inerme
Chaparral Currant
Ribes malvaceum
Chaparral Currant
Ribes malvaceum var. malvaceum
Canyon Gooseberry
Ribes menziesii
Canyon Gooseberry
Ribes menziesii var. menziesii
Sierra Currant
Ribes nevadense
Rock Gooseberry
Ribes quercetorum
Sierra Gooseberry
Ribes roezlii
Hoary Gooseberry
Ribes roezlii var. amictum
Sierra Gooseberry
Ribes roezlii var. roezlii
Red Flowering Currant
Ribes sanguineum
Pink-flowering Currant
Ribes sanguineum var. glutinosum
Fuchsiaflower Gooseberry
Ribes speciosum
Victor's Gooseberry
Ribes victoris
California Wildrose
Rosa californica
Wood Rose
Rosa gymnocarpa
Nootka Rose
Rosa nutkana
Pine Rose
Rosa pinetorum
Ground Rose
Rosa spithamea
Thimbleberry
Rubus parviflorus
Salmon Berry
Rubus spectabilis
California Blackberry
Rubus ursinus
Sandbar Willow
Salix exigua
Sandbar Willow
Salix exigua var. hindsiana
Goodding's Black Willow
Salix gooddingii
Coastal Willow
Salix hookeriana
Red Willow
Salix laevigata
Shining Willow
Salix lasiandra
Yellow Willow
Salix lasiandra var. lasiandra
Arroyo Willow
Salix lasiolepis
Yellow Willow
Salix lutea
Dusky Willow
Salix melanopsis
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Boreal Starwort
Stellaria borealis
Sitka Starwort
Stellaria borealis ssp. sitchana