sentences:  Cortex, PD-, K-, KC+ yellowish, C- (usnic acid).Medulla, PD+ red-orange, K-, KC+ pink, C- (protocetraric acid, with or without gyrophoric acid)
  
  On rock in shaded or exposed areas.The very similar, "Flavoparmelia caperata", usually grows on the bark of trees, but may be found on rock.