Comprehensive Description
provided by North American Flora
Tyromyces undosus (Peck) Murrill
Polyporics undosus Peck, Ann. Rep. N. Y. State Mus. 34 : 42. 1881.
Pileus effused, narrowly reflexed, thin, fleshy-fibrous, soft when fresh, rigid when dry, 5-8 cm. broad, 2-3 mm. thick, the reflexed portion 0-7 mm. wide; surface slightly spongy-tomentose, sulcate-zonate, white; margin very thin, undulate, inflexed when dry : context white, very thin, fleshy-fibrous to fragile ; tubes 1-3 mm. long, white, mouths large, irregular, angular, 1-2 to a mm., edges very thin, fragile, lacerate, white to slightly yellowish : spores smooth, hyaline.
Type locality : Catskill Mountains, New York.
Habitat : On decaying trunks of hemlock and pine ; rarely on deciduous wood.
Distribution : Maine, New York, and West Virginia.
- bibliographic citation
- William Alphonso MurrilI, Gertrude Simmons BurIingham, Leigh H Pennington, John Hendly Barnhart. 1907-1916. (AGARICALES); POLYPORACEAE-AGARICACEAE. North American flora. vol 9. New York Botanical Garden, New York, NY
