Lecanora expallens

Description

Yellow-green crust found on bark and occasionally on dry acid rock. It reacts orange to C (bleach).

Similar Species

May be confused with Pyrrhospora quernea, but this is duller yellow with coarse granules rather than soredia.

Identification difficulty
Habitat

Bark or acid rock.

When to see it

All year

UK Status

Common

VC55 Status

Common

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Species group:
lichen
Kingdom:
Fungi
Order:
Lecanorales
Family:
Lecanoraceae
Records on NatureSpot:
6
First record:
15/06/2013 (Ivan Pedley)
Last record:
21/02/2026 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records