Comprehensive Description
provided by North American Flora
Armillaria macrospora Peck, Bull. Torrey Club 27: 610
1900.
Pileus fleshy, fragile, convex, solitary or cespitose, 5-20 cm. broad; surface glabrous, viscid when moist, shining when dry, white, sometimes brown in the center; context white; lamellae rather narrow, close, decurrent, white; spores oblong or subfusiform, 12-15X6-8/*; stipe short, stout, subequal, white, 2.5-5 cm. long, 1.2-2 cm. thick; annulus thick, white.
Type locality: Colorado.
Habitat: Dense spruce woods.
Distribution: Known only from the type locality.
- bibliographic citation
- William Alphonso Murrill. 1914. (AGARICALES); AGARICACEAE (pars). North American flora. vol 10(1). New York Botanical Garden, New York, NY
