Baeomyces rufus forma

      Thallus crustose, granular to subsquamulose, greenish, whitish-grey slightly green. Apothecia globose without visible stipe or reduced to a thin whitish blade below the apothecia, pinkish-brown, purple-brown. C-, K+ yellow, KC+ yellow, P+ orange. Fairly rare form growing at the top of maritime cliffs on stony soils or friable or degraded rocks.