Host Plants
confirmed
LikelyGray Alder
Alnus incana
Coyote Bush
Baccharis pilularis
Tobacco Brush
Ceanothus velutinus
Cascara Sagrada
Frangula purshiana
Ocean Spray
Holodiscus discolor
Mountain Alder
Alnus incana ssp. tenuifolia
White Alder
Alnus rhombifolia
Red Alder
Alnus rubra
Green Alder
Alnus viridis
Sitka Alder
Alnus viridis ssp. sinuata
Saltmarsh Baccharis
Baccharis glutinosa
Malibu Baccharis
Baccharis malibuensis
Coyote Brush
Baccharis pilularis ssp. consanguinea
Coyote Brush
Baccharis pilularis ssp. pilularis
Plummer's Baccharis
Baccharis plummerae
San Simeon Baccharis
Baccharis plummerae ssp. glabrata
Plummer's Baccharis
Baccharis plummerae ssp. plummerae
Mulefat
Baccharis salicifolia
Mule Fat
Baccharis salicifolia ssp. salicifolia
Emory's Baccharis
Baccharis salicina
Broom Baccharis
Baccharis sarothroides
Desert Baccharis
Baccharis sergiloides
Encinitas Baccharis
Baccharis vanessae
Resin Birch
Betula glandulosa
Water Birch
Betula occidentalis
Arching Ceanothus
Ceanothus arcuatus
Rincon Ridge Ceanothus
Ceanothus confusus
Mountain Whitethorn
Ceanothus cordulatus
Hoaryleaf Ceanothus
Ceanothus crassifolius
Hoary Leaved Ceanothus
Ceanothus crassifolius var. crassifolius
Hoary Leaved Ceanothus
Ceanothus crassifolius var. planus
Buckbrush
Ceanothus cuneatus
Buckbrush
Ceanothus cuneatus var. cuneatus
Buckbrush
Ceanothus cuneatus var. ramulosus
San Diego Ceanothus
Ceanothus cyaneus
Sandscrub Ceanothus
Ceanothus dentatus
Calistoga Ceanothus
Ceanothus divergens
Pine Mat
Ceanothus diversifolius
Coyote Ceanothus
Ceanothus ferrisiae
Wavy Leaved Ceanothus
Ceanothus foliosus
Wavy Leaved Ceanothus
Ceanothus foliosus var. foliosus
La Cuesta Ceanothus
Ceanothus foliosus var. medius
Vine Hill Ceanothus
Ceanothus foliosus var. vineatus
Fresno Ceanothus
Ceanothus fresnensis
Point Reyes Ceanothus
Ceanothus gloriosus
Glory Brush
Ceanothus gloriosus var. exaltatus
Point Reyes Ceanothus
Ceanothus gloriosus var. gloriosus
Mt. Vision Ceanothus
Ceanothus gloriosus var. porrectus
Desert Ceanothus
Ceanothus greggii
Hearst's Ceanothus
Ceanothus hearstiorum
Santa Barbara Ceanothus
Ceanothus impressus
Coast Whitethorn
Ceanothus incanus
Deerbrush
Ceanothus integerrimus
Deerbrush
Ceanothus integerrimus var. macrothyrsus
Jepson Ceanothus
Ceanothus jepsonii
Lemmon's Ceanothus
Ceanothus lemmonii
Chaparral Whitethorn
Ceanothus leucodermis
Maritime Ceanothus
Ceanothus maritimus
Mason's Ceanothus
Ceanothus masonii
Big Pod Ceanothus
Ceanothus megacarpus