Comprehensive Description
provided by North American Flora
Spongiporus leucospongia (Cooke & Hark.) Murrill, Bull
Torrey Club 32 : 474. 1905.
Polyporus leucospongia Cooke & Hark. Grevillea 11 : 106. 1883.
Pileus rather small, sessile, dimidiate, conchate, pulverulent, 2-3 X 6-10 X 1.5-2.5 cm. ; surface white, anoderm, very soft and spongy, finely tomentose to glabrous ; margin rounded, inflexed, sterile, concolorous : context white, extremely soft and spongy, slightly firmer next to the tubes with age, 5-20 mm. thick ; tubes large, irregular, 2-4 mm. long, white to discolored and slightly resinous in appearance, mouths angular, irregular, about 2 to a mm., edges thin, entire to lacerate-dentate : spores smooth, ellipsoidal, hyaline, 7X5j". Type locality : On pine and spruce logs in tlie Sierra Nevada mountains, 2400 meters, California.
Habitat : Dead coniferous logs projecting from the snow.
Distribution : Colorado, Wyoming, and California.
- 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
