Distribution: Washington; Alaska, Oregon, California, Maine, Vermont, New Hampshire; British Columbia, western Alberta, Yukon and Northwest Territories, Ontario, Quebec.
Habitat: Shaded, humid forest.
Substrate: On trees.
Conservation Status: Not of concern
Thallus generally pale but variable, grey to smoky brown; Branches 0.1-0.3 mm in diameter, up to 30 cm in length, brittle.