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Host Plants

Flower name confirmed
Flower name Likely

Western Chokecherry

Prunus virginiana var. demissa

Bigcone Douglas Fir

Pseudotsuga macrocarpa

Coast Douglas Fir

Pseudotsuga menziesii var. menziesii

Alisma Leaved Buttercup

Ranunculus alismifolius

Plantainleaf Buttercup

Ranunculus alismifolius var. alismellus

Plantainleaf Buttercup

Ranunculus alismifolius var. alismifolius

Ranunculus alismifolius var. hartwegii

Anderson's Buttercup

Ranunculus andersonii

Common Water-crowfoot

Ranunculus aquatilis

Ranunculus aquatilis var. aquatilis

Hairleaf Water Buttercup

Ranunculus aquatilis var. diffusus

California Buttercup

Ranunculus californicus

Ranunculus californicus var. californicus

Sacramento Valley Buttercup

Ranunculus canus

Ranunculus canus var. ludovicianus

Desert Buttercup

Ranunculus cymbalaria

Eschscholtz's Buttercup

Ranunculus eschscholtzii

Eschscholtz's Buttercup

Ranunculus eschscholtzii var. oxynotus

Buttercup

Ranunculus flammula

Ranunculus flammula var. ovalis

Smooth Buttercup

Ranunculus glaberrimus

Elliptical Buttercup

Ranunculus glaberrimus var. ellipticus

Sagebrush Buttercup

Ranunculus glaberrimus var. glaberrimus

Macoun's Buttercup

Ranunculus macounii

Western Buttercup

Ranunculus occidentalis

Western Buttercup

Ranunculus occidentalis var. occidentalis

Ranunculus occidentalis var. ultramontanus

Straightbeak Buttercup

Ranunculus orthorhynchus

Straightbeak Buttercup

Ranunculus orthorhynchus var. orthorhynchus

Cursed Buttercup

Ranunculus sceleratus

Woodland Buttercup

Ranunculus uncinatus

Western Labrador Tea

Rhododendron columbianum

Western Labrador Tea

Rhododendron neoglandulosum

Western Azalea

Rhododendron occidentale

Western Azalea

Rhododendron occidentale var. paludosum

Bitter Gooseberry

Ribes amarum

Golden Currant

Ribes aureum

Golden Currant

Ribes aureum var. aureum

Golden Currant

Ribes aureum var. gracillimum

Trailing Gooseberry

Ribes binominatum

Hillside Gooseberry

Ribes californicum

Wax Currant

Ribes cereum

Wax Currant

Ribes cereum var. cereum

Spreading Gooseberry

Ribes divaricatum

Parish's Gooseberry

Ribes divaricatum var. parishii

White Flowering Currant

Ribes indecorum

Whitestem Gooseberry

Ribes inerme

Whitestem Gooseberry

Ribes inerme var. inerme

Whitestem Gooseberry

Ribes inerme var. klamathense

Prickly Currant

Ribes lacustre

Woolly-flowered Gooseberry

Ribes lasianthum

Gummy Gooseberry

Ribes lobbii

Chaparral Currant

Ribes malvaceum

Marshall's Gooseberry

Ribes marshallii

Canyon Gooseberry

Ribes menziesii

Alpine Prickly Currant

Ribes montigenum

Sierra Currant

Ribes nevadense

Rock Gooseberry

Ribes quercetorum

Sierra Gooseberry

Ribes roezlii

Hoary Gooseberry

Ribes roezlii var. amictum

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