Distribution: Washington; Reported in all continental US states with the exceptions of Nevada, Louisiana and Florida; Canada.
Habitat: In open woodlands.
Substrate: Common on bark, esp. of poplar and elm.
Conservation Status: Not of concern
Thallus blue-grey to whitish, smooth to areolate. Apothecia bright yellow, to 2 mm in diameter, sometimes slightly pruinose, with raised grey margin.