Opegrapha corticola


Dull brown thallus scattered with flat, ochre, or often faded greenish-grey coloured soralia.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.


On old oak trunks and rocks.

When to see it

All year round.

UK Status

Widespread in southern England and in Wales.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map