Xanthoria polycarpa


Varying in colour from greenish grey to orange-yellow, with ascending to adpressed lobes, subdivided into few or many short, irregular, finger-like sub-lobes less than 1 mm in width. Xanthoria polycarpa can appear similar to X. parietina but is much smaller.

Identification difficulty

Widespread on nutrient-enriched trees, especially on small twigs where it forms clusters.

When to see it

All year round.

Life History

Used as an indicator of nitrogen deposition.

UK Status

Widespread and common in Britain.

VC55 Status

Common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


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

UK Map