Comprehensive Description
provided by North American Flora
Gymnopus tuberosus (Bull.) Murrill
Agaricus tuberosus Bull. Herb. Fr. pi. 256. 1785. Collybia tuberosa Qu^l. Champ. Jura Vosg. 60. 1872.
Pileus thin, coilvex or nearly plane, obtuse or slightly umbonate, 6-12 mm. broad; surface glabrous or nearly so, white: lamellae close, thin, adnate, white: spores ellipsoid, 5-6 X 3 /x: stipe slender, clothed with a thin, pulverulent, white tomentum, often nearly naked toward the apex, whitish or slightly reddish-tinted, growing from a yellowish or reddish-brown sclerotioid tuber of variable shape, 2-4 cm. long, scarcely 1 mm. thick.
Type iyOCAL.iTY: France.
Habitat: On old blackene'd fungi, decayed sticks, or damp soil rich in decayed vegetable matter. Distribution: Canada to North Carolina and west to Washington, Oregon, and California; also in Hurope.
- 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
