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Host Plants

Flower name confirmed
Flower name Likely

Red Alder

Alnus rubra

Gray Alder

Alnus incana

Mountain Alder

Alnus incana ssp. tenuifolia

White Alder

Alnus rhombifolia

Resin Birch

Betula glandulosa

Water Birch

Betula occidentalis

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

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

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

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