Picipes melanopus (Pers.) Zmitr. & Kovalenko 2016

Polyporus fissus Berk. I,ond. Jour. Bot. 6 : 318. 1847
Polyporus trachypus Berk. & Mont.; Mont. Syll. Crypt. 154. 1856.
Pileus flabelliform to subcircular, often depressed at the disc or behind, convex, very variable in size, 5-15 X 7-20X0.3-1 cm.; surface glabrous, minutely radiate-striate, bay or fuliginous, rugose at the disc ; margin thin, fertile, wavy or lobed, often splitting with age, not deflexed except in drying, not ciliate : context corky, homogeneous, pallid, 2-8 mm. thick ; tubes white to yellowish-brown, decurrent, 2 mm. long, cylindrical, slender, mouths subcirculars very minute, 6-7 to a mm., edges thin, entire, becoming elongate with age : spores smooth, hyaline : stipe excentric, varying to central or lateral, usually tapering above, fuliginous io nearly black, pruinose, rugose, 2-6 cm. long, 0.5-2 cm. thick.
Type locality : Ohio.
Habitat : Fallen dead wood of deciduous trees.
Distribution : Maine to Virginia and Ohio, and west to Washington.

Scutiger subradicatus Murrill, Bull. Torrey Club 30: 430. 1903
A rather large thin plant with light-brown, almost glabrous, surface, small white serrated tubes and short black stipe. Pileus irregular in outline, convex to plane 12 X 9 X 5 cm.; surface fibrillose, drab-colored to isabelline; margin very thin, inflexed when young, irregularly undulate at maturity : context fleshy-tough, 1-7 mm. thick, pure milk-white even when dry ; tubes mere areoles at first, short and small at maturity, scarcely 1 mm. in length, 3-4 to a mm., decurrent to the blackened part of the stipe, white, yellowish when dry, mouths polygonal, regular, at length much elongate by confluence or otherwise irregular, edges thin, toothed or fimbriate when mature : spores ovate to ellipsoidal, smooth, hyaline, not abundant, 3-4 X 5-7/^ : stipe short, thick, central, tapering and attached at the base, sooty-black up to the pores, 4X 2.5 cm.; context milk-white, firm, fleshy-tough, surface minutely tomentose, rugose-reticulate when dry.
Type locality : New York.
Habitat : Attached to buried dead wood.
Distribution : Ontario and New York.