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Host Plants

Flower name confirmed
Flower name Likely

Pacific Silver Fir

Abies amabilis

Grand Fir

Abies grandis

Subalpine Fir

Abies lasiocarpa

Western Serviceberry

Amelanchier alnifolia

Engelmann Spruce

Picea engelmannii

Sitka Spruce

Picea sitchensis

Lodgepole Pine

Pinus contorta

Western White Pine

Pinus monticola

Douglas Fir

Pseudotsuga menziesii

Western Red Cedar

Thuja plicata

Western Hemlock

Tsuga heterophylla

Mountain Hemlock

Tsuga mertensiana

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