Phellinus tremulae
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Phellinus tremulae fruiting body on trunk of aspen (click on image to enlarge it)
Author(s): Andreas Kunze
Source: Wikimedia Commons
Author(s): Andreas Kunze
Source: Wikimedia Commons
Phellinus tremulae (Bondartsev) Bondartsev & Borissov (1953)
This wood rotting fungus is found in Europe, temperate parts of Asia and North America. It infests poplar and aspen trees (genus Populus), causing heart rot. Stressed trees are especially susceptible. The fungus destroys the wood and results in more timber losses than any other poplar disease.
The main symptoms are the characteristic fruiting bodies (conks). These are hoof shaped, hard, woody structure that grow out of the trunk and increase in size over the years. They have a rough black upper surface, a lighter, sometimes reddish outer margin and a smooth, brownish surface facing downwards.
- Other images of Phellinus tremulae (IPM Images - click to enlarge)
symptoms
fruiting body on Populus tremuloides
