Hexagonia hydnoides (Sw.) M. Fidalgo 1968

Pogonomyces hydaoides (Sw.) Murrill, Bull. Torrey
Club 31 : 609. 1904.
Boletus hydnoides Sw. Prodr. 149. 1788. —Fl. Ind. Occid. 3 : 1924. 1806.
Boletus hydnatinus Bosc, Ges. Nat. Freunde Berlin Mag. 5: 84. pL. 4.f. 3. 1811. (Type from
Carolina.) Polyporus pellitus G. Meyer, FL EJsseq. 304. 1818. (Type from Guiana.) Boletus crinitus Spreng. Sv. Vet. -Acad. Handl. 1820 : 51. 1820. (Type from Porto Rico.) Boletus ftbrosus Hook, in Kunth, Syn. PI. 1 : (10). 1822. (Type from the Andes.) Trametes ocellata Berk. & Curt. Jour. Linn. Soc. 10 : 319. 1868. (Type from Cuba.) Polyporus Feather-manni Rav. Grevillea 6 : 130. 1877. (Type from Florida.)
Pileus dimidiate, sessile, often imbricate, conchate, 3-5X5-10X0.5-1 cm.; surface zonate, tawny-bay to nearly black, conspicuously and thickly covered with rigid, branched fibers, which often more or less disappear with age ; margin entire or undulate, pallid, acute, sterile below: context fulvous at maturity, zonate, punky to corky, 3-5 mm. thick; tubes rather long, grayish -umbr in ous within, equaling the thickness of the context, mouths small, circular to somewhat angular, 3-4 to a mm., edges thick, entire, pallid to umbr in ous : spores oblong, smooth, hyaline, 8-10X3-4//.
Type locality : Jamaica.
Habitat : Various forms of dead wood.
Distribution : Gulf States and tropical America.

Hexagonia hydnoides is a species of fungus in the Polyporaceae family. It is a plant pathogen. This fungus is largely saprophytic, decaying dead wood tissues.