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Host Plants

Flower name confirmed
Flower name Likely

Greenleaf Manzanita

Arctostaphylos patula

Chokecherry

Prunus virginiana

Vine Maple

Acer circinatum

Rocky Mountain Maple

Acer glabrum

Rocky Mountain Maple

Acer glabrum var. diffusum

Mountain Maple

Acer glabrum var. glabrum

Big Leaf Maple

Acer macrophyllum

Box Elder

Acer negundo

Western Serviceberry

Amelanchier alnifolia

Glabrous Serviceberry

Amelanchier alnifolia var. pumila

Pacific Serviceberry

Amelanchier alnifolia var. semiintegrifolia

Pale Serviceberry

Amelanchier pallida

Service Berry

Amelanchier utahensis

Resin Birch

Betula glandulosa

Water Birch

Betula occidentalis

Beaked Hazelnut

Corylus cornuta

California Hazel

Corylus cornuta ssp. californica

Crataegus castlegarensis

Black Hawthorn

Crataegus douglasii

Fremont Cottonwood

Populus fremontii

Fremont Cottonwood

Populus fremontii ssp. fremontii

Quaking Aspen

Populus tremuloides

Black Cottonwood

Populus trichocarpa

Desert Peach

Prunus andersonii

Bitter Cherry

Prunus emarginata

Desert Range Almond

Prunus fasciculata

Hollyleaf Cherry

Prunus ilicifolia

Klamath Plum

Prunus subcordata

Klamath Plum

Prunus subcordata var. subcordata

Western Chokecherry

Prunus virginiana var. demissa

Booth's Willow

Salix boothii

Brewer's Willow

Salix breweri

Mountain Willow

Salix eastwoodiae

Sandbar Willow

Salix exigua

Sandbar Willow

Salix exigua var. hindsiana

Geyer's Willow

Salix geyeriana

Goodding's Black Willow

Salix gooddingii

Jepson's Willow

Salix jepsonii

Red Willow

Salix laevigata

Shining Willow

Salix lasiandra

Tail-leaf Willow

Salix lasiandra var. caudata

Yellow Willow

Salix lasiandra var. lasiandra

Arroyo Willow

Salix lasiolepis

Lemmon's Willow

Salix lemmonii

Tongueleaf Willow

Salix ligulifolia

Yellow Willow

Salix lutea

Dusky Willow

Salix melanopsis

Snow Willow

Salix nivalis

Sierra Willow

Salix orestera

Alpine Willow

Salix petrophila

Tea Leaved Willow

Salix planifolia

Mackenzie's Willow

Salix prolixa

Scouler's Willow

Salix scouleriana

Sitka Willow

Salix sitchensis

California Grape

Vitis californica

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