Growing on fallen decaying oak in mixed deciduous woods;
Caps white with thin brown zoning near margin ; more pronounced on some than others; 1.5 – 2.5 cm
Pore surface rusty brown; abruptly white at margin


width about 2 cm

Proposed Names

75% (2)
Recognized by sight: White cap surface, with a rusty brown underside.

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Aaron Peters
By: Ed Leigh (edleigh)
2020-01-10 07:02:11 PST (-0800)

Yes, I concur now that I know what to look for on the net. This puts it in the Family Meruliaceae rather than Polyporaceae as I thought. has a good description of it and there are several MO observations. Thank you!