A distinctive, but variable, yellow-green to bright yellow crust forming lichen, that cracks into angular sections and has flat, black apothecia.
On exposed, base poor rocks.
All year round
Widespread and fairly frequent, especially in the north and west.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015