Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to northwestern Washington.
Habitat: Plants parasitic primarily on Pinus contorta subsp. contorta, occasionally also on adjacent Tsuga heterophylla, rarely on adjacent Pinus monticola.
Flowers: June-August
Origin: Native
Conservation Status: Review Group 2 in Washington (WANHP)
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PNW Herbaria: Specimen records of Arceuthobium tsugense ssp. contortae in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Arceuthobium tsugense ssp. contortae checklist entry
OregonFlora: Arceuthobium tsugense ssp. contortae information
E-Flora BC: Arceuthobium tsugense ssp. contortae atlas page
CalPhotos: Arceuthobium tsugense ssp. contortae photos