Distribution: Washington; Oregon, California, Idaho, Montana, Wyoming; British Columbia, Yukon Territory, Alberta.
Habitat: Mountain forest.
Substrate: Primarily on conifer bark and wood, but also on deciduous trees.
Conservation Status: Not of concern
Thallus yellow-green, granular; Stalks black, 1.5-2.5 mm in height, to 0.15 mm in diameter; Capitula black.
PNW Herbaria: Specimen records of Calicium viride in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Calicium viride photos