Distribution: San Juan Islands in Washington; Gulf States, Virginia, North Carolina, South Carolina, Georgia; coastal British Columbia.
Habitat: Subtropical forest.
Substrate: On bark.
Conservation Status: Not of concern
Thallus pale greenish-grey, smooth to verruculose. Apothecia 0.5-1.4 mm in diameter, orange to olive green with yellow or orange pruina, margins prominent, bright orange.
PNW Herbaria: Specimen records of Brigantiaea leucoxantha in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Brigantiaea leucoxantha photos