Polyporus badius

Scientific name:   Polyporus badius (Pers.) Schwein.
Derivation of name:  Polyporus means "many pores";
badius means " reddish-brown" in reference to the color of
the cap.
Synonymy:  Royoporus badius (Pers.) A.B. De; Polyporus
Common names:   Black-footed polypore.
Phylum:   Basidiomycota
Order:   Polyporales
Family:   Polyporaceae
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.
Edibility: Inedible.
Comments: Large specimens are unmistakable and easy
to identify.

More information at MushroomExpert.com:  

Figure 1. Polyporus badius. Photo © Pam Kaminski.

Figure 2. A cluster of black-footed polypores on a downed
log in the woods at Messiah College, PA. Photo © Gary

Figure 3. The glabrous, azonate, reddish-brown caps are
often darkest in the center. Photo © Gary Emberger.

Figure 4. 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 the stipe.
Photo © Gary Emberger.

Figure 5. These specimens were collected during the 2003
NEMF foray at Oquaga Lake, NY. Photo © Gary


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