Comprehensive Description
provided by North American Flora
Coriolus planellus Murrill, Bull. Torrey Club 32 : 649. 1906
Polyporus planus Peck, Ann. Rep. N. Y. State Mus. 31 : 37. 1879. Not P. planus Wallr. 1833.
Pileus very thin, leathery, somewhat fragile, circular to spatulate or flabelliform, narrowly attached, decurrent at times, 1-3X1.5-2.5X0.05 cm.; surface finely tomentose when young, becoming glabrous and slightly encrusted, conspicuously multizonate, isabelline to umbrinous with brown or black zones; margin very thin, lobed, often somewhat proliferous : context pallid, membranous ; tubes punctiform, white within, often more or less radiately arranged, mouths minute, angular, about 6 to a mm., edges white to slightly yellowish and finally discolored, very thin, easily splitting, denticulate: spores smooth, hyaline.
Type locality : North Greenbush, New York.
Habitat : Dead branches of deciduous trees.
Distribution : Maine, New Hampshire, New York, Iowa, and Missouri.
- 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
