Birch Woodwart (Hypoxylon multiforme)

Birch Woodwart (Hypoxylon multiforme)

Observation - Birch Woodwart (Hypoxylon multiforme) - UK and Ireland. Description: A hard fungus on the cut surface of a birch log which has been lying outside for a few years. Photo 2 shows Common Shiny Woodlouse for size comparison.

A hard fungus on the cut surface of a birch log which has been lying outside for a few years. Photo 2 shows Common Shiny Woodlouse for size comparison.