A rather granular lichen that may vary in colour from off white to dark brown.
Exposed basic rocks and some artificial substrates.
All year round.
Widespread and common in Britain.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
Enter a town or village to see local records
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015