Chaenotheca phaeocephala

This species has a dark-grey to green-brown thallus which may be thick and verrucose or thinner and verrucose-granular. The apothecia are up to 1mm wide on stalks which can be up to 1.2mm tall. The apothecia are brown going to a deep purple-brown at their heads and often with a yellow-green pruinose band.

Photo: Alan Hale