Host Plants
confirmed
LikelyRed Alder
Alnus rubra
Santa Lucia Fir
Abies bracteata
Balsam Fir
Abies concolor
Grand Fir
Abies grandis
Balsam Fir
Abies magnifica
California Red Fir
Abies magnifica var. magnifica
Shasta Red Fir
Abies magnifica var. shastensis
Common Yarrow
Achillea millefolium
Gray Alder
Alnus incana
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Green Alder
Alnus viridis
Sitka Alder
Alnus viridis ssp. sinuata
Water Birch
Betula occidentalis
Fireweed
Chamerion angustifolium
Fireweed
Chamerion angustifolium ssp. canescens
River Beauty
Chamerion latifolium
Pimpernel Willowherb
Epilobium anagallidifolium
Panicled Willow Herb
Epilobium brachycarpum
Smooth Boisduvalia
Epilobium campestre
California Fuchsia
Epilobium canum
California Fuchsia
Epilobium canum ssp. canum
California Fuchsia
Epilobium canum ssp. latifolium
Northern Willow Herb
Epilobium ciliatum
Fringed Willowherb
Epilobium ciliatum ssp. ciliatum
Fringed Willowherb
Epilobium ciliatum ssp. glandulosum
Fringed Willowherb
Epilobium ciliatum ssp. watsonii
Denseflower Willowherb
Epilobium densiflorum
Glaucous Willowherb
Epilobium glaberrimum
Glaucus Willowherb
Epilobium glaberrimum ssp. fastigiatum
Glaucus Willowherb
Epilobium glaberrimum ssp. glaberrimum
Hall's Willowweed
Epilobium hallianum
Hornemann's Willowherb
Epilobium hornemannii
Hornemann's Willowherb
Epilobium hornemannii ssp. hornemannii
Subalpine Fireweed
Epilobium howellii
Milkflower Willowherb
Epilobium lactiflorum
Little Willowherb
Epilobium minutum
Rockfringe
Epilobium obcordatum
Oregon Fireweed
Epilobium oreganum
Oregon Willowherb
Epilobium oregonense
Largeflower Spike-primrose
Epilobium pallidum
Humboldt County Fuchsia
Epilobium septentrionale
Yolla Bolly Bedstraw
Galium ambiguum
Siskiyou Bedstraw
Galium ambiguum ssp. siskiyouense
Common Bedstraw
Galium aparine
Low Mountain Bedstraw
Galium bifolium
Bolander's Bedstraw
Galium bolanderi
California Bedstraw
Galium californicum
California Bedstraw
Galium californicum ssp. californicum
California Bedstraw
Galium californicum ssp. maritimum
Santa Lucia Bedstraw
Galium clementis
Gray's Bedstraw
Galium grayanum
Gray's Bedstraw
Galium grayanum var. grayanum
Alpine Bedstraw
Galium hypotrichium
Alpine Bedstraw
Galium hypotrichium ssp. hypotrichium
Subalpine Bedstraw
Galium hypotrichium ssp. subalpinum
Climbing Bedstraw
Galium nuttallii
Nuttall's Bedstraw
Galium porrigens
Graceful Bedstraw
Galium porrigens var. porrigens
Sequoia Bedstraw
Galium sparsiflorum