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Mycena haematopus (Pers. ) P. Kumm.
Life   Fungi   Basidiomycota   Tricholomataceae   Mycena

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

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Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus

Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 3
Mycena haematopus
Mycena haematopus
© Copyright Malcolm Storey 2011-2118 · 1
Mycena haematopus

Hosts · map
FamilyScientific name @ source (records)
Betulaceae  Betula alleghaniensis @ BPI (1)
_  Substrate @ BPI (31)

unknown @ BPI (1)

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California Fungi—Mycena haematopus Mycena haematopus
(Photo: © Michael Wood)

Mycena haematopus (Pers.) P. Kumm.
Fürh. Pilzk. p. 108. 1871.

Photo: Growing on buried wood

Common Name: none

  • Pileus

    Cap 1-3.0 cm broad, hemispheric to campanulate, the margin irregularly hairy, becoming convex and conspicuously striate, occasionally faintly furrowed; surface smooth, dry, hygrophanous, dull vinaceous-brown fading to pale pinkish-brown; flesh, thin, pallid unchanging; odor and taste mild.

  • Lamellae

    Gills subdecurrent, moderately broad, close to crowded, dull pinkish-buff, bruising reddish-brown, lamellulae alternating with gills.

  • Stipe

    Stipe 2.5-7.0 cm tall, 0.2-0.3 cm thick, thin, fragile, hollow; equal or tapering to a narrowed base; surface dry, powdery, drab vinaceous-brown, becoming smooth and polished where handled, sometimes with scattered fibrils; flesh bleeding a reddish juice, particularly at the base when cut; veil absent.

  • Spores

    Spores 7.5-9 x 4.5-5.5 µm, elliptical, amyloid, smooth; spore print white.

  • Habitat

    Gregarious to clustered on rotting wood; fruiting from mid to late-winter.

  • Edibility

    Questionable, described as edible by some by authors but untried locally. In any case, too small to be of culinary value.

  • Comments

    Mycena haematopus is characterized by a vinaceous-brown to pinkish-brown, conspicuously striate cap, often with a hairy margin when young and the tendency of the stipe to bleed a reddish juice when cut. It can be distinguished from other bleeding Mycenas by its preference for fruiting on rotting wood. There is also a form of this species with reddish, marginate gills.

  • References

    Aronsen, A. & Læssøe, T. (2016). The Genus Mycena s.l. Danish Mycological Society: Copenhagen, Denmark. 373 p.
    Arora, D. (1986). Mushrooms Demystified. Ten Speed Press: Berkeley, CA. 959 p.
    Bermudes, D., Petersen, Ronald H. & Nealson, K.H. (1992). Low-Level Bioluminescence Detected in Mycena haematopus Basidiocarps. Mycologia 84(5): 799-802.
    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.
    Mass Geesteranus, R. A. (1992). Mycenas of the Northern Hemisphere. II. Conspectus of the Mycenas of the Northern Hemisphere. Koninklijke Nederlandse Akademie van Vetenschappen: Amsterdam, Netherlands. 493 p.
    Perry, Brian A. (2002). A Taxonomic Investigation of Mycena in California. Masters Thesis, San Francisco State University: San Francisco, CA. 157 p. ( PDF )
    Robich, Giovanni (2003). Mycena D'Europa. Associazione Micologica Bresadola: Trento, Italy. 728 p.
    Siegel, N. & Schwarz, C. (2016). Mushrooms of the Redwood Coast. Ten Speed Press: Berkeley, CA. 601 p.
    Smith, A.H. (1947). North American Species of Mycena . University of Michigan Press: Ann Arbor, MI. 521 p.
    Smith, A.H. (1949). Mushrooms in their Natural Habitats. Sawyer's Inc: Portland, OR. 626 p.

  • Other Descriptions and Photos Main Photo
    • Wikipedia: Mycena haematopus (D & CP)
    • Arora (1986): p. 231 (D), plate 46 (CP
    • Jordan: p. 176 (D & CP)
    • Lincoff: p. 781 (D), plate 76 (CP)
    • Miller: sp. 145 (D & CP)
    • Phillips: p. 79 (D & CP)

    (D=Description; I=Illustration; P=Photo; CP=Color Photo)

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