Verrucaria macrostoma


A crust forming, cracking lichen which can be olive-green or shades of brown, and looking like dried mud.

Identification difficulty

On hard limestones, concrete, mortar of walls and other calcareous substrates.

When to see it

All year round

UK Status

Widespread and common in most of England and Wales, less well recorded in Scotland.

VC55 Status

Frequent 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