Appearance
The fruit body of "Stereum sanguinolentum" manifests itself as a thin leathery crust on the surface of the host wood. Often, the upper edge is curled to form a narrow shelf. When present, these shelves are can be fused to or overlap neighboring shelves. The surface of the fruit body consists of a layer of fine felt-like hairs, sometimes pressed flat against the surface. The color ranges from beige to buff to dark brown in mature specimens; the margin are lighter-colored. Fresh fruit bodies that are injured exude a red juice, or will bruise a red color if touched. The fruit bodies dry to a greyish-brown color. The spores are ellipsoid to cylindrical, amyloid, and typically measure 7–10 by 3–4.5 µm."Stereum sanguinolentum" can be parasitized by the jelly fungus "Tremella encephala".
Distribution
The fungus causes a brown heart rot, resulting in wood that is a light brown to red-brown color, and dry, with a stringy texture. A cross-section of infected wood reveals a circular infection around the center of the log. It enter opens wounds of plants caused by mechanical damage or by grazing wildlife. Fragments of mycelia can be spread by wood wasps. The rot spreads up to 40 cm per year. It has also been recorded on balsam fir, Douglas fir, and western hemlock. The fungus is widespread in distribution, and has been recorded from North America, Europe, east Africa, New Zealand, and Australia.
Habitat
The fungus causes a brown heart rot, resulting in wood that is a light brown to red-brown color, and dry, with a stringy texture. A cross-section of infected wood reveals a circular infection around the center of the log. It enter opens wounds of plants caused by mechanical damage or by grazing wildlife. Fragments of mycelia can be spread by wood wasps. The rot spreads up to 40 cm per year. It has also been recorded on balsam fir, Douglas fir, and western hemlock. The fungus is widespread in distribution, and has been recorded from North America, Europe, east Africa, New Zealand, and Australia.References:
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