Distribution: West of Cascades crest in Washington; northern British Columbia to northern Oregon, disjunct in Maine; Ontario, Quebec.
Habitat: High humidity forest.
Substrate: On trees, esp. conifers.
Conservation Status: Recommended for listing, under review in Washington (WANHP)
Thallus grey-green and pendent, with slender branches 0.1-0.7 mm in width, flattened at base. Branches taper and curl at the tips.