A yellow, crust forming lichen with tiny, powdery soredia.
On base rich rocks, mortared walls, concrete and on base rich bark.
All year round
Fairly widespread in Britain, particularly south of a line from the Humber to the Severn.
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