Poria or wanna be?

[Marc]

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I don't know if I'm seeing the real McCoy or not. If it isn't poria incrassata, does anyone know what it is? Fairly common in moist crawls here. It's white in color.

Marc

[Jim Katen]

No, poria usually has a fern-shaped mat and thick root-like structures. I don't know of a specific name for the stuff in your picture but I see it often up here as well.

[John Kogel]

When I see that white powder mold, it usually just on the surface of the wood, as if it is growing with the help of surface moisture. Usually the wood underneath is fine if it is given a chance to dry out.

I put these fern pics up a while ago. This stuff was literally climbing the walls, but hiding from the light behind the baseboard trim. Nasty. It draws moisture out of the wood. The wood goes chunky, and falls apart.

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