Polyporus ArculariusPolyporus arcularius
Cap - Dark brown, minutely scaly, depressed in the centre; margin stiff, edge hairy, no flesh.
Tubes - Dingy cream colour. Openings oblong, almost diamondshape, resembling the meshes of a net, drawn from stem to the margin of the cap, the meshes smaller on the margin, and simply marked out at the top of the stem.
Stem - Dark brown, minutely scaly, mottled, with a ground work of cream colour. Older stems are roughened at the base with whitish hairs. Hollow.
Spores - Creamy white.
Habitat - The specimen pictured was found growing on decayed branches of an oak tree in North Carolina.