Scientific name: Polyporus badius (Pers.) Schwein.
Derivation of name: Polyporus means "many pores";
badius means " reddish-brown" in reference to the color of
Synonymy: Royoporus badius (Pers.) A.B. De; Polyporus
Common names: Black-footed polypore.
Occurrence on wood substrate: Saprobic, scattered or in
groups on decaying deciduous wood; August through
Dimensions: Caps 4-20 cm wide; stipes central to eccentric,
1-4 cm long and 3-16 mm thick, black below.
Upper surface: Dark reddish-brown, paler toward margin,
blackish with age; margin thin, wavy, or lobed.
Pore surface: Whitish to pale buff; pores 6-8 per mm.
Comments: Large specimens are unmistakable and easy
More information at MushroomExpert.com:
Figure 1. Polyporus badius. Photo © Pam Kaminski.
A cluster of black-footed polypores on a downed
log in the woods at Messiah College, PA. Photo © Gary
The glabrous, azonate, reddish-brown caps are
often darkest in the center. Photo © Gary Emberger.
The dark brown cap and crisp, clean white pore
surface are a striking combination. Overholts mentions that
the pores are so small as to be virtually invisible to the
unaided eye. Note the black base of
Photo © Gary Emberger.
Figure 5. These specimens were collected during the 2003
NEMF foray at Oquaga Lake, NY. Photo © Gary