Rhizocarpon reductum

Description

This lichen forms a pale grey, sometimes brown tinged cracking crust. The apothecia are blackish and have a persisting margin.

Identification difficulty
Habitat

A pioneer species of silica based rocks.

When to see it

All year round.

UK Status

Common and widespread in Britain.

VC55 Status

Quite common in Leicestershire and Rutland.

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map