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Russula silvicola Shaffer
Life   Fungi   Basidiomycota   Russulaceae   Russula

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California Fungi—Russula silvicola Russula silvicola
(Photo: © Taylor F. Lockwood)

Russula silvicola Shaffer
Beih. Nova Hedw. 51: 229. 1975.

Common Name: none

Misapplied name: Russula emetica

  • Pileus

    Cap 4-9 (13) cm broad, convex to plano-convex, maturing to plano-convex to plane to depressed on the disc; surface smooth, subviscid to viscid; color dark rose red to bright red to rose pink, fading to pink or rose pink, often with yellowish blotches; flesh white, unchanging in color when exposed, brittle; odor mild, taste very acrid.

  • Lamellae

    Gills adnate to adnexed, white, close to subdistant.

  • Stipe

    Stipe 4-10 cm long, 1-3 cm thick, equal or tapering toward the apex or base; surface dry, glabrous, white; stuffed; flesh white, brittle.

  • Spores

    Spores 6.7-10.5 x 5.7-8.6 µm, subovoid to subellipsoid with amyloid ornamentation of warts and ridges forming a partial to near complete reticulum. Spore print white.

  • Habitat

    Solitary to scattered to gregarious in hardwood and conifer/hardwood forests, winter.

  • Edibility

    Toxic Poisonous, at least when raw.

  • Comments

    According to Dr. Harry Thiers, in his monograph of the genus Russula in California, this species was long misidentified as Russula emetica . The real Russula emetica grows in Sphagnum habitats, has a somewhat different pigmentation, and has not been found in California. In our area, Russula sanguinea is similar, but has a pink stipe and a pale yellow to yellow spore print.

  • References

    Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
    Roberts, C. (2007). Russulas of southern Vancouver Island coastal forests. Doctoral dissertation. University of Victoria: Victoria, BC, Canada. 667 p.
    Shaffer, R.L. (1975). Some common North American species of Russula subsect. Emeticinae . Beih. Nova Hedw. 51: 207-237.
    Thiers, H.D. (1997). The Agaricales (Gilled Fungi) of California. 9. Russulaceae I. Russula . Mad River Press: Eureka, CA. 158 p.

  • Other Descriptions and Photos Main Photo
    • Mushroom Hobby: Russula silvicola (CP)
    • Arora (1986): p. 97 (D), p. 98 (P) [as Russula emetica ]
    • Arora (1991): p. 28 (D & CP) [as Russula emetica ]
    • Benjamin: plate 26 (CP) [as Russula emetica ]
    • Lincoff: p. 701 (D), plate 328 (CP) [as Russula emetica ]
    • McKenny et al. : p. 96 (D), p. 97 (CP)
    • Miller: sp. 76 (D & CP) [as Russula emetica ]
    • Phillips: p. 130 (D) p. 130, 131 (CP)
    • Thiers (1997): p. 45 (D), plate V, fig. 29 (I)

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

The Fungi of California
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Updated: 2020-05-28 22:18:27 gmt
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