Comprehensive Description
provided by North American Flora
Resupinatus atrocoeruleus (F'ries) Murrill, Mycologia 4: 214
1912.
Agaricus atrocoeruleus Fries, Obs. Myc. 1: 95. 1815.
Agaricus (Pleurotus) barbatulus Berk. & Curt. Ann. Mag. Nat. Hist. III. 4: 287. 1859.
Pleurotus atrocoeruleus Gill. Champ. Fr. 335. 1876.
Pileus at first resupinate, becoming dimidiate, sessile, conchate, tough, often somewhat
imbricate, 2-5 cm. broad; surface villose-tomentose, dark-blue, grayish, or brown, rarely pallid,
margin often subglabrous, sometimes crenate-lobed : lamellae concentric, rather narrow, slightly
ventricose, crowded, white or yellowish: spores ellipsoid, smooth, hyaline, sometimes curved,
6-8X4-5 m; cystidia fusoid, hyaline, 50-75X10-15 /j,.
Type locai^ity: Sweden. Habitat: Dead wood of various kinds.
Distribution: Throughout temperate North America; also in Europe.
- 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
