| Fungus |
Decay type |
Common name of fungus, decay, or
disease |
Common hosts |
Comments |
| Stem-Decay Fungi |
| Dichomitus squalens |
white |
red rot |
ponderosa pine |
slash and heart rot, enters branch
stubs. Formerly known as Polyporus anceps |
| Echinodontium
tinctorium |
white |
Indian paint fungus |
many non-pine conifers |
enters branch stubs,
dead twigs |
| Fomitopsis officinalis |
brown |
quinine fungus |
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| Inonotus glomeratus |
white |
|
maples, beech |
small clinker "conks"
in stubs that won't heal |
| Inonotus obliquus |
white |
clinker or cinder conk |
birches |
large clinker "conks;"
real conks appear after tree dies |
| Phellinus igniarius |
white |
false tinder fungus, white trunk rot |
many hardwoods |
very common and important |
| Phellinus pini |
white pocket |
red ring rot |
conifers |
branch stubs, punk
knots |
| Phellinus tremulae |
white |
white trunk rot |
aspen |
very similar to Phellinus
igniarius |
| Stem decays of spruce and fir in the
Rocky Mountains |
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| Stem decays of red and white firs |
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| Root- and Butt-Rot
Fungi |
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| Armillaria
spp. |
white |
Armillaria or shoestring root rot,
honey mushroom |
many |
frequently associated with stress in
hardwoods |
| Heterobasidion annosum |
white |
annosum root rot |
conifers |
|
| Phaeolus schweinitzii |
brown |
velvet-top fungus, cowpie fungus |
conifers, especially pines |
causes extensive butt rot, no
tree-tree growth. |
| Phellinus sulphurascens |
white |
|
Douglas-fir and other non-cedars |
This used to be called P. weirii.
Tends to be annual, direct mortality and uprooting |
| Phellinus weirii |
white |
laminated root rot |
western red cedar |
tends to be perennial,
butt rot, snapping |
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| Primarily Saprobic
Fungi |
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| Daedalea quercina |
brown |
Oak fungus |
oak |
beautiful sinuous pores |
| Fomes fomentarius |
white |
Tinder fungus |
hardwoods |
white rot |
| Fomitopsis pinicola |
brown |
Red-belt fungus |
conifers |
major brown rotter |
| Ganoderma applanatum |
white mottled |
Artist's conk |
hardwoods |
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| Gloeophyllum sepiarium |
brown |
|
conifers |
usually gill-like pore surface,
exposed wood in service |
| Trametes versicolor |
white |
Turkey-tail |
hardwoods |
common in NE |
| Laetiporus sulfureus |
brown |
Sulfur shelf, chicken of the woods |
hardwoods and conifers |
can cause heart rot; good edible
when young |