Tricholomatoid agarics

Coalman

Tricholoma portentosum

LC Least concern Edible 4 images
Taste rating

Characteristics

- Cap bell-shaped when young, later expanded with a low umbo, sticky in wet weather.
- Cap surface grey, almost black in the centre, with black pencil-like streaks towards the margin.
- Gills adnexed, white, becoming patchily yellowish with age.
- Stem white, becoming patchily yellowish with age.
- Flesh white, with farinaceous smell and taste.

Ecology

Grows mainly in coniferous forest but has also been found in deciduous woodland.

Notes

A good edible mushroom, but beginners should be aware that there are several similar grey Tricholoma species, some of which can cause discomfort and temporary nausea.

Similar species

Tricholoma guldeniae has a drier and more fibrillose cap surface, inedible.
Tricholoma arvernense lacks pencil-like streaks on the cap, inedible.
Tricholoma virgatum has a pointed cap and burning taste, poisonous.
Tricholoma saponaceum becomes red-spotted with age, poisonous.