Host Plants
confirmed
LikelyShining Willow
Salix lasiandra
Yellow Willow
Salix lasiandra var. lasiandra
Lemmon's Willow
Salix lemmonii
Yellow Willow
Salix lutea
Dusky Willow
Salix melanopsis
Scouler's Willow
Salix scouleriana
Sitka Willow
Salix sitchensis
Tracy's Willow
Salix tracyi
Blue Elderberry
Sambucus mexicana
Black Elderberry
Sambucus nigra
Red Elderberry
Sambucus racemosa
Mountain Red Elderberry
Sambucus racemosa var. racemosa
Black Flowered Figwort
Scrophularia atrata
Santa Catalina Figwort
Scrophularia villosa
Rose Flowered Stonecrop
Sedum laxum
Roseflower Stonecrop
Sedum laxum ssp. flavidum
Heckner's Stonecrop
Sedum laxum ssp. heckneri
Rose Flowered Stonecrop
Sedum laxum ssp. laxum
Sierra Stonecrop
Sedum obtusatum
Yellow Stonecrop
Sedum spathulifolium
Wormleaf Stonecrop
Sedum stenopetalum
Rayless Ragwort
Senecio aronicoides
Dune Ragwort
Senecio blochmaniae
Threadleaf Ragwort
Senecio flaccidus
Douglas' Groundsel
Senecio flaccidus var. douglasii
Water Groundsel
Senecio hydrophilus
Coast Redwood
Sequoia sempervirens
American Black Nightshade
Solanum americanum
Douglas' Nightshade
Solanum douglasii
Parish's Nightshade
Solanum parishii
Bluewitch Nightshade
Solanum umbelliferum
Catalina Nightshade
Solanum wallacei
Purple Nightshade
Solanum xanti
Southern Goldenrod
Solidago confinis
Canadian Goldenrod
Solidago elongata
Canada Goldenrod
Solidago lepida
Rough Canada Goldenrod
Solidago lepida var. salebrosa
Coast Goldenrod
Solidago spathulata
Showy Goldenrod
Solidago spectabilis
Threenerve Goldenrod
Solidago velutina
California Goldenrod
Solidago velutina ssp. californica
Great Basin Goldenrod
Solidago velutina ssp. sparsiflora
Desert Globemallow
Sphaeralcea ambigua
Mountain Apricot Mallow
Sphaeralcea ambigua var. ambigua
Rosy Apricot Mallow
Sphaeralcea ambigua var. rosacea
Apricot Mallow
Sphaeralcea ambigua var. rugosa
Ajuga Hedge Nettle
Stachys ajugoides
White Hedge Nettle
Stachys albens
California Hedgenettle
Stachys bullata
Coastal Hedgenettle
Stachys chamissonis
Short Spike Hedge Nettle
Stachys pycnantha
Rigid Hedge Nettle
Stachys rigida var. rigida
Snowberry
Symphoricarpos albus var. laevigatus
Creeping Snowberry
Symphoricarpos mollis
Roundleaf Snowberry
Symphoricarpos rotundifolius
Western Red Cedar
Thuja plicata
Western Hemlock
Tsuga heterophylla
Mountain Hemlock
Tsuga mertensiana
California Laurel
Umbellularia californica
Huckleberry
Vaccinium cespitosum