Description: Thallus thin but finely granular, yellow-green usually growing on sheltered acid rocks, in rock clefts and in shaded narrow crevices between. It is never as brightly coloured as Psilolechia lucida and often grows below steep boulders and cliffs in woodland; widespread.

Key Identification Features:

• Thallus pale yellow-green, on sheltered acid rock in humid woodland
• Testing KC+ yellow.

Original text submitted by Vince J. Giavarini

Distribution Map from NBN: Lithocalla ecorticata at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Lithocalla ecorticata at iNaturalist World Species Observations database.