Dry Rot - Serpula lacrymans

Description

A resupinate annual crust, with a yellowish or olive brown wrinkled surface wih a thick white edge.   Affected wood breaks up into brown squared sections, and loses structural integity.

Identification difficulty
Recording advice

Photograph the fungus in habitat, with detailed view of the surface of the crust; note habitat

Habitat

Conifer trunks - but more often in buildings, where the mycelium can penetrate brickwork and cause serious damage to structural timbers and woodwork.

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

Common names
Dry Rot
Species group:
fungus
Kingdom:
Fungi
Order:
Boletales
Family:
Serpulaceae
Records on NatureSpot:
1
First record:
01/02/2026 (Markham, Marian)
Last record:
01/02/2026 (Markham, Marian)

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% of records within its species group

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