NS3778 : Birch Woodwart (Hypoxylon multiforme)

taken 10 years ago, near to Renton, West Dunbartonshire, Great Britain

Birch Woodwart (Hypoxylon multiforme)
Birch Woodwart (Hypoxylon multiforme)
There is a stand of birch trees at this location, where the soil is generally rather wet and acidic. The fruiting bodies of Beech Woodwart, shown here growing on a birch stump, are often elongated around the girth of the tree (as was the case here). The fruiting bodies in this photograph are up to 15 mm wide, with a warty surface (beneath the surface bumps are spore-producing chambers called perithecia – see the Beech Woodwart link below).

Among the Woodwart species that are illustrated on Geograph, Beech Woodwart – NS4276 : Beech Woodwart (Hypoxylon fragiforme) – and Hazel Woodwart – SM9736 : Hazel woodwart (Hypoxylon fuscum) – are both fairly common; however, Birch Woodwart, shown here, occurs only infrequently.

As mentioned above, it is growing here on a stump; given that this species grows on dead wood, it is not surprising that I was unable to locate any other specimens on the surrounding (living) trees.
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NS3778, 191 images   (more nearby )
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Date Taken
Monday, 23 February, 2009   (more nearby)
Monday, 23 February, 2009
Geographical Context
Woodland, Forest 
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Closeup  Life 
Fungi   (more nearby)
Subject Location
OSGB36: geotagged! NS 3785 7852 [10m precision]
WGS84: 55:58.3325N 4:35.9921W
Camera Location
OSGB36: geotagged! NS 3785 7852
View Direction
West-northwest (about 292 degrees)
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