Marchandiomyces corallinus


A lichenicolous fungus with bright pink coralloid sclerotia (formerly believed to be sporodochia) on dead and dying areas of the host thallus.

Identification difficulty

Found on a number of different lichen hosts, especially Parmelia and Physcia species, frequently causing extensive die-back of Parmelia saxatilis on walls and boulders.

When to see it

All year round.

UK Status

Widespread in Britain.

VC55 Status

Uncommon or rarely recorded 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