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Grzybiarz is a mobile app for mushroom foragers. Its on-device AI helps you spot fruiting bodies in the leaf litter and suggests a species from a photo, and the app keeps a private map of your finds. Everything runs on your phone and works fully offline in the forest without signal.

Sticky Gray TrichTricholoma portentosum

edible

Sticky Gray TrichTricholoma portentosum

Photo: (c) Lucian Clanet, some rights reserved (CC BY)

Habitat

under pines

mixed forests

under spruce

Season

from September to December

Tricholomataceae

4–12 cm

Season

At its peakThe peak lasts until mid-November and the season usually until early December.

Today · 22–28 Oct89% of peak

how often reportedpeak

Season

Sep–Dec

Peak

Oct–Nov

Reports

103Poland and neighbours

Curve from 103 observations (GBIF: Poland, Czechia, Slovakia, Germany), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.

Key features

Cap ash gray with a violet or olive tint, slimy when wet, with radial blackish fibrils. Gills whitish with a yellowish tint, stem white with a yellowish tone, flesh mild, slightly mealy.

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