Deadly galerina vs wine cap: two mushrooms of wood-chip mulch

Quick answer

The wine cap has a thick ring, grooved on top and split into claw-like segments underneath, and drops a dark purple-brown to purple-black spore print; the deadly galerina has only a thin ring and drops a rusty brown print. The wine cap is also far larger, with a wine-red cap that fades to tan.

Deadly lookalike

The deadly galerina can be fatal.

Unlike the wine cap, the deadly galerina (Galerina marginata) contains amatoxins, the same toxins as the death cap, at similar concentrations, according to the University of British Columbia's Mushrooms Up! guide. Amatoxins stop cells from making proteins by blocking the enzyme RNA polymerase II. The Bay Area Mycological Society records that symptoms usually begin 6 to 24 hours after eating, followed by an apparent recovery and then liver damage from about 72 hours. Cooking does not destroy amatoxins.

If someone has eaten a wild mushroom and feels unwell, or may have eaten one of these, call poison control now: 1-800-222-1222 in the US. Do not wait for symptoms.

Side by side

The tell for each

A single deadly galerina with an orange-brown cap and gills, leaning over gray slate fragments
Deadly
Deadly GalerinaGalerina marginata

The tellSmall honey-brown caps in clusters on rotting wood, with rusty brown gills, a thin ring on the stem, and a rusty brown spore print.

The underside of a wine cap held in a hand, showing gray-violet gills and a thick pale stem
Edible
Wine CapStropharia rugosoannulata

The tellA wine-red cap over purple-gray gills, with a thick ring whose underside is split into claw-like segments.

How they differ

Differences between the deadly galerina and the wine cap
FeatureDeadly GalerinaWine Cap
Spore printDeadly GalerinaRusty brown.Wine CapDark purple-brown to purple-black.
RingDeadly GalerinaThin ring or ring zone.Wine CapThick, grooved on top and split underneath into claw-like segments.
SizeDeadly GalerinaCap 0.5 to 1.5 inches (1 to 4 cm).Wine CapCap 2 to 6 inches (5 to 15 cm), sometimes far larger.
Cap colorDeadly GalerinaHoney-brown to tawny.Wine CapWine red to reddish brown when young, fading to tan or buff.
GillsDeadly GalerinaYellowish at first, then rusty brown.Wine CapWhitish, then gray, then purple-gray to purple-black.
StemDeadly GalerinaThin and brownish.Wine CapThick and white, often with white root-like strands at the base.

FAQ

Common questions

Can deadly galerina grow in wood-chip mulch?

Yes. The University of British Columbia's Mushrooms Up! guide notes that galerinas and psilocybin mushrooms can both grow on wood chips, the same mulch where wine caps are grown.

What color is the wine cap's spore print?

Dark purple-brown to purple-black. A rusty brown print rules out the wine cap.

Sources

Where these facts come from

  1. Galerina marginata

    MushroomExpert.com

  2. Stropharia rugosoannulata

    MushroomExpert.com

  3. Galerina marginata, deadly galerina (Mushrooms Up!)

    Beaty Biodiversity Museum, University of British Columbia

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