Armillaria mellea
Champ. Jura Vosg. 1: 75. 1872.
Common Name: honey mushroom
Synonym: Armillariella mellea (Vahl) P. Karst.
Cap 3-13 cm broad, convex at first, becoming nearly plane, sometimes broadly umbonate at maturity, margin finely striate; color varying from yellowish-brown to reddish-brown, the disc darker with fine hair or scales; surface viscid when moist; odor mild, taste acrid.
Gills white to pallid, adnate to subdecurrent, sometimes notched, developing reddish-brown stains in age.
Stipe 5-17 cm long, 0.5-3.0 cm thick, tapering towards the base when growing in clusters, enlarged to bulbous at the base when growing apart; tough, fibrous; partial veil cottony forming a superior ring; pallid above the ring, yellowish-brown to reddish-brown below.
Spores 7-9.5 x 5-7 µm, smooth, elliptical, nonamyloid. Spore print white.
Fruiting typically in large clusters, but sometimes singly on wood or buried wood of mainly hardwoods. Appearing soon after the first fall rains with continued fruitings through mid-winter.
Edible and considered good by many. The button stage is usually collected for the table, the fibrous stipes discarded, although the peeled stipe may be the best part of this fungus for the table. The acrid or bitter taste of fresh specimens disappears with cooking. Note that some people suffer digestive upsets from this mushroom.
The Honey Mushroom (in the broad sense) is actually a complex of species, some of which are saprophytic, others parasitic on trees and shrubs causing serious economic losses. Rhizomorphs, thickened strands of mycelium, which aid in the spread of the fungus, can sometimes be seen under the bark of affected trees. The Honey Mushroom possesses several easy to recognize morphological features: a clustered fruiting habit on wood or buried wood, cap with a dark central disc covered with fine hairs or scales, gills with rusty spots in age, and a tough fibrous stipe with a ring.
Ammirati, J.F., Traquair, J.A. & Horgen, P.A. (1985). Poisonous Mushrooms of the Northern United States and Canada. University of Minnesota Press: Minneapolis, MN. 396 p.
Arora, D. (1986). Mushrooms Demystified. Ten Speed Press: Berkeley, CA. 959 p.
Bas, C., Kyper, T.W., Noordeloos, M.E. & Vellinga, E.C. (1995). Flora Agaricina Neerlandica—Critical monographs on the families of agarics and boleti occuring in the Netherlands. Volume 3. Tricholomataceae. A. A. Balkema: Rotterdam, Netherlands. 183 p.
Breitenbach, J. & Kränzlin, F. (1991). Fungi of Switzerland. Volume 3: Boletes and Agarics (1st Part). Strobilomycetaceae, Boletaceae, Paxillaceae, Gomphidiaceae, Hygrophoraceae, Tricholomataceae, Polyporaceae (lamellate). Verlag Mykologia: Luzern, Switzerland. 361 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Gilbertson, R.L. (1974). Fungi That Decay Ponderosa Pine. University of Arizona Press: Tuscon, AZ. 197 p.
Hotson, H.H. (1940). The Genus Armillaria in Western Washington. Mycologia 32(6): 776-790.
Knudsen, H. & Vesterholt, J. ed. (2008). Funga Nordica: Agaricoid, boletoid and cyphelloid genera. 965 p.
Lindsey, J.P. & Gilbertson, R.L. (1978). Basidiomycetes that Decay Aspen in North America. J. Cramer: Vaduz. 406 p.
Siegel, N. & Schwarz, C. (2016). Mushrooms of the Redwood Coast. Ten Speed Press: Berkeley, CA. 601 p.
Smith, A.H. (1949). Mushrooms in their Natural Habitats. Sawyer's Inc: Portland, OR. 626 p. (PDF)
Thiers, H.D. & Sundberg, W.J. (1976). Armillaria (Tricholomataceae, Agaricales) in the Western United States including a new species from California. Madroño 23: 448-453.
Watling, R., Kile, G.A. & Gregory, N.M. (1982). The genus Armillaria—Nomenclature, Typification, the identity of Armillarea mellea and species differentiation. Trans. Br. Mycol. Soc. 78(2): 271-285.
— view from under the caps
— forest view
