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| Tree
Fungi Index |
| Fungi
on the tree Tree fungi and their effects. More tree fungi, specific
to trees can be found under the Deciduous trees index. |
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Alder Bracket (Inonotus radiatus) |
| Fruting
bodies: June - September |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
often fruting bodies are very high at trunk |
| Efect:
Enters the tree through trunk/branches injuries |
| and
decomposes heartwood |
| Recommandation:
Tree should be evaluated. More
photos |
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| Smoky
Bracket (Bjerkandera adusta) |
| Fruiting
bodies: |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
rapid wood decomposition Effect: Enters the tree through
trunk injuries – in weaker trees the sapwood and heartwood
decomposes – considerable danger of breaking. |
| Recommendation:
If a vital tree is infected then it should be evaluated.
More photos. |
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| Oyster
Mushroom (Pleurotus ostreatus) |
| Fruiting
bodies: November – January |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
rapid wood decomposition |
| Effect:
Enters the tree through trunk injuries – in weaker trees
the sapwood and heartwood decomposes – considerable danger
of breaking. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Birch
Polypore (Piptoporus betulinus) |
| Fruiting
bodies: July – November |
| Area
of infection: trunk |
| Wood
decomposition: brown rot |
| Comment:
This affects only the birch trees. |
| Effect:
Enters through wounds in the trunk and then spreads downward
– considerable danger of breaking. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Brittle
Cinder (Ustulina deusta) |
| Fruiting
bodies: January – December |
| Area
of infection: roots |
| Wood
decomposition: white rot |
| Comment:
Fruiting bodies are hardly visible. |
| Effect:
Enters through root injuries and settles in the roots,
trunk base, and the lower are of the trunk. The tree will
fall over under the burden. |
| Recommendation:
Tree should be evaluated. Photo |
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| Robustus
Conk (Phellinus robustus) |
| Fruiting
bodies: January – December |
| Area
of infection: trunk and crest |
| Wood
decomposition: white rot |
| Comment:
Numerous woodpecker holes are found on affected trees. |
| Effect:
First attacks the sapwood and later the heartwood. The
cambium is also attacked |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Reishi,
Ling zhi (Ganoderma lucidum) |
| Fruiting
bodies: January – December, annual |
| Area
of infection: trunk / trunk base |
| Wood
decomposition: white rot |
|
Comment:
White rot in the roots – and stump area – in the
end the tree falls over. Noticeable through the stemmed
fruiting bodies.
|
| Recommendation:
Tree should be evaluated. More
photos. |
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|
Honey fungus, bootlace fungus (Armillaria mellea) |
| Fruiting
bodies: July – November |
| Area
of infection: roots and trunk base |
| Wood
decomposition: white rot |
| Mycelium:
between sapwood and bark, glows in the dark |
| Comment:
Counts as the largest living thing because the mycelium
can stretch over hundreds of hectare. |
| Effect:
Vessels are interrupted – thinning of the crest and
flaking of the bark – dying of the tree. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Hen
of the Woods (Grifola frondosa) |
| Fruiting
bodies: August – October |
| Area
of infection: trunk base / roots area |
| Wood
decomposition: white rot |
| Comment:
Parasite. Edible in the youngest form. The genus Grifola
is only comprised of one type. |
| Recommendation:
Tree should be evaluated. Photo. |
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| Artists
conk (Ganoderma lipsiense) |
| Fruiting
bodies: January – December |
| Area
of infection: roots and trunk base |
| Wood
decomposition: white rot |
| Comment:
This happens frequently – grows very slowly. |
| Effect:
White rot in the roots – and in the trunk area – in
the end the tree falls over. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Southern
Bracket (Ganoderma adspersum) |
| Fruiting
bodies: January – December |
| Area
of infection: roots and trunk base |
| Wood
decomposition: white rot |
| Comment:
This happens frequently – grows very slowly. |
| Effect:
White rot in the roots – and in the trunk area – in the
end the tree falls over. |
| Recommendation:
Tree should be evaluated.
More photos. |
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| Beefsteak
fungus (Fistulina hepatica) |
| Fruiting
bodies: June – October |
| Area
of infection: roots and trunk |
| Wood
decomposition: brown rot / dry-rot |
| Effect:
Weak parasite on older trees. Causes intensive brown-rot
in heart wood. |
| Recommendation:
Tree should be evaluated. Photo |
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| Giant
Polypore (Meripilus giganteus) |
| Fruiting
bodies: June – October |
| Area
of infection: trunk base |
| Wood
decomposition: white rot |
| Comment:
At first it is very hard to recognize. |
| Effect:
Weak parasite – Enters into the trunk through dead roots
– damages the roots, rootstock, and trunk base |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Red-banded
Polypore (Fomitopsis pinicola) |
| Fruiting
bodies: January – December |
| Area
of infection: trunk |
| Wood
decomposition: brown rot |
| Comment:
Saprophyt and wound parasite. The fruiting bodies are
perennial and vary greatly in appearance. |
| Recommendation:
Tree should be evaluated. Photo |
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| Bleeding
Broadleaf Crust (Stereum rugosum) |
| Fruiting
bodies: January – December |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
Causes large wounds on the trunk. |
| Recommendation:
Tree should be evaluated. |
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| Shaggy
Scalycap (Pholiota squarrosa) |
| Fruiting
bodies: September – November |
| Area
of infection: roots and trunk base |
| Wood
decomposition: white rot |
| Comment:
This is often confused with honey fungus. |
| Effect:
Weak parasite - Vessels become interrupted – thinning
of the crest and flaking of the bark – dying of the tree. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Turkeytail
(Trametes versicolor) |
| Fruiting
bodies: January – December |
| Area
of infection: tree-stump and large wounds |
| Wood
decomposition: white rot |
| Comment:
frequently Saprophyt and wound parasite |
| Effect:
Quick wood decomposition – rot is frequently confined
to wound area – with theturkeytail there is a large area
of wood decomposition. |
| Recommendation:
Tree should be evaluated. |
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| Dryad’s
Saddle (Polyporus squamosus) |
| Fruiting
bodies: April – August |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
Wound parasite. It is not uncommon for the diameter of
the fruiting bodies to be 40 cm. |
| Effect:
Enters through wounds in the trunk and decomposes the
heartwood. |
| Recommendation:
Tree should be evaluated. More
photos. |
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Chicken of the woods - Sulphur shelf (Laetiporus sulphureus) |
| Fruiting
bodies: May – September |
| Area
of infection: trunk and crest |
| Wood
decomposition: brown rot |
| Comment:
Very aggressive fungus. |
| Effect:
Causeses intensive brown rot in the heartwood. Infected
trees collapse very quickly. |
| Recommendation:
Tree should be evaluated. More
photos. |
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Hairy Curtain Crust (Stereum hirsutum) |
| Fruiting
bodies: January – December |
| Area
of infection: dead wood, frequently on the front. |
| Wood
decomposition: white rot |
| Comment:
Saprophyt – frequently occurs. Does not discolor when
squeezed. Likes to settle on the front of firewood. |
| Recommendation:
none |
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| Cinnabar-red
polypore (Pycnoporus cinnibarius) |
| Fruiting
bodies: January – December |
| Area
of infection: mostly dead wood |
| Wood
decomposition: white rot |
| Comment:
Cinnabar-red , half round hardly regional. The
mycelium is also red. Infected wood also discolors to
red. |
| Recommendation:
If a healthy tree is infected – the tree should be
evaluated. More
photos. |
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Shaggy Bracket (Inonotus hispidus) |
| Fruiting
bodies: June – September |
| Area
of infection: trunk |
| Wood
decomposition: white rot |
| Comment:
Fruiting bodies are found frequently high on the trunk.
In the fall, dead fruiting bodies are black and found
on the ground. |
| Effect:
Enters through wounds on the branches and trunk and decomposes
the heartwood. |
| Recommendation:
Tree should be evaluated. More
photos. |
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| Tinder
or hoof fungus (Fomes fomentarius) |
| Fruiting
bodies: January – December |
| Area
of infection: trunk / crest |
| Wood
decomposition: white rot |
| Comment:
Fruiting bodies can be as wide as 50 cm. Dried nice as
decoration. |
| Effect:
Aggressive wound parasite / weak parasite – enters
through injuries to the tree. |
| Recommendation:
Tree should be evaluated. More
photos. |
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