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Entoloma bloxamii

[Basidiomycota > Agaricales > Entolomataceae > Entoloma . . . ]

by Michael Kuo

Entoloma bloxamii is a large, sticky, bluish gray to purplish gray entolomatoid mushroom, reminiscent of a Russula or a Tricholoma in stature. First described from Great Britain, the species has been reported--either as Entoloma bloxamii or as Entoloma madidum (a synonym)--on our continent in the southeastern United States and in the Pacific Northwest. It seems unlikely to me that a single species is really found in such diverse and distant ecosystems, but until someone publishes an in-depth study of this group and makes some changes, "Entoloma bloxamii" is as good as it gets, name-wise.


Ecology: Saprobic; growing alone, scattered, or gregariously under hardwoods or in mixed woods in southeastern North America--or under madrone or tanoak in northern California, or under hardwoods or conifers in the Pacific Northwest; usually in damp areas; fall (fall and winter on the West Coast).

Cap: 4-9 cm in southeastern North America, 5-15 cm in the Pacific Northwest; convex or broadly conical, becoming broadly convex, broadly bell-shaped, or flat; slimy or sticky when fresh; smooth or wrinkled; bald or nearly so; bluish gray to purplish gray or nearly black.

Gills: Attached to the stem (often by a notch) or nearly free from it; close; white or with bluish to purplish shades at first, but eventually pinkish.

Stem: 5-10 cm by up to 1.5 cm thick in southeastern North America, 4-15 cm by up to 3 cm in the Pacific Northwest; equal, or tapered downward (sometimes swollen in the middle); solid and hard; silky or bald; whitish to yellowish at the base, but tinged with the cap color above.

Flesh: Thick; white.

Odor and Taste: Not distinctive, or mealy.

Spore Print: Pink.

Microscopic Features: Spores 6-11 x 6-10 µ; isodiametric; 5- or 6-sided; smooth; hyaline in KOH. Hymenial cystidia absent. Pileipellis an ixocutis or ixotrichoderm; elements 2.5-7 µ wide, often clamped, not encrusted.

REFERENCES: (Berkeley & Broome, 1854) Saccardo, 1887. (Hesler, 1967; Smith, Smith & Weber, 1979; Arora, 1986; Noordeloos, 1988; Lincoff, 1992; Largent, 1994; Roody, 2003; Noordeloos, 2008.) Herb. EIU ASM 373.

This site contains no information about the edibility or toxicity of mushrooms.


Entoloma bloxamii

Entoloma bloxamii

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Kuo, M. (2014, January). Entoloma bloxamii. Retrieved from the MushroomExpert.Com Web site: