HABITAT oldgrowth chaparral and conglomerate outcrops at top of high transverse ridge; SUBSTRATE north face of conglomerate cliff; ASPECT shaded; NOTES thick whitish verrucose thallus, K+y C- KC-? UV- 350-375nm, black lecanorine apothecia scattered, thick uneven smooth prominant rims, black disk, epihymenium bright green POL- fading a bit in K, hymenium hyaline POL-, cortex opaque POL+ clearing in K, algae and amphithecium POL+ clearing mostly in K and K+y weak, amphithecium with very large POL+ insoluble crystals, cortex 30-40 m even thickness; SPORES 8 per ascus, hyaline, simple, smooth, elipsoid, 14-15 x 7-8 m, oil bubbles.