Brick cap vs deadly galerina: the spore print that separates them

Quick answer

Brick caps drop a purple-brown spore print and deadly galerinas a rusty brown one. The brick cap's gills go from whitish to purple-gray, the galerina's from yellowish to rusty brown. The caps differ in color too: brick red at the center with a paler edge on the brick cap, plain honey-brown on the smaller galerina.

Deadly lookalike

The deadly galerina can be fatal.

Unlike the brick 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

Three brick caps with reddish-brown caps, pale edges and pale gills, on slender stems growing from wood
Edible
Brick CapHypholoma lateritium

The tellClusters of brick-red caps with a paler edge on hardwood stumps late in the fall, with grayish gills and a purple-brown spore print.

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.

How they differ

Differences between the brick cap and the deadly galerina
FeatureBrick CapDeadly Galerina
Spore printBrick CapPurple-brown.Deadly GalerinaRusty brown.
GillsBrick CapWhitish to grayish yellow, then purple-gray to purple-brown.Deadly GalerinaYellowish, then rusty brown.
Cap colorBrick CapBrick red at the center, fading to buff or yellowish at the edge.Deadly GalerinaHoney-brown to tawny, fading to tan as it dries.
Cap sizeBrick Cap1 to 4 inches (2.5 to 10 cm).Deadly Galerina0.5 to 1.5 inches (1 to 4 cm).
RingBrick CapA faint ring zone from the veil that may darken with spores.Deadly GalerinaA thin membranous ring or ring zone near the top.
WoodBrick CapHardwood stumps and logs, especially oak.Deadly GalerinaRotting conifer and hardwood.

FAQ

Common questions

Does the brick cap have a lookalike?

Two that matter: the deadly galerina, which prints rusty brown instead of purple-brown, and the sulphur tuft, which shares the purple-brown print but has sulfur-yellow caps and greenish-yellow gills.

When does the brick cap fruit?

Late summer through late fall, often after the first frost, in clusters on hardwood stumps. The deadly galerina also fruits on wood in fall.

Sources

Where these facts come from

  1. Galerina marginata

    MushroomExpert.com

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

    Beaty Biodiversity Museum, University of British Columbia

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