The pileus is radially rimose or can be squamulose to squarrose. The hard, grey bark is shallowly rimose. The pileus is radially rimose or rimulose, never squarrulose and rarely squamulose. It may be rimose toward the outer edges. Rimose and areolate are contrasted with being verrucose, or "warty". Older specimens develop narrow cracks over the surface such that it becomes areolate or rimose. It may be continuous to rimose, with a surface that is shiny or waxy. A rimose surface of a lichen is sometimes contrasted to the surface being areolate. Rimose is an adjective used to describe a surface that is cracked or fissured.