Spores; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
ThallusDense; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
Exciple; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.
ThallusSparse; Habitat: Open rocky ridge with adjoining forest of Pseudotsuga and Castanopsis chrysophylla, with patches of old Arctostaphylos columbiana; Location: Horse Rock Ridge ACEC, foothills of Cascade Range; Substrate: Rock, volcanic; Elevation: 760 meters.