Protoblastenia rupestris
Description
Thallus thin, greenish, pale to orange-grey, or grey-brown, areolate; apothecia pale to deep orange, often strongly convex, not set in pits.
Identification difficulty

Habitat
On chalk and limestone rocks, concrete, mortar of old walls and similar calcareous substrates.
When to see it
All year round.
UK Status
Widespread and often common in Britain.
VC55 Status
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015