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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.

Amanita vaginataAmanita vaginata

conditionally edible

Amanita vaginataAmanita vaginata

Photo: (c) Kliojünger, some rights reserved (CC BY-SA 4.0), Wikimedia Commons

Habitat

mixed forests

deciduous forests

beech forests

under oaks

under birches

Season

from June to October

Amanitaceae

4–10 cm

Season

Out of seasonOut of season. It usually grows from late June to early October.

Today · 22–28 Octout of season

how often reportedpeak

Season

Jun–Oct

Peak

Aug–Sep

Reports

298from Poland

Risk window

Death Cap grows at the same time

Both species grow together for about 12 wk a year. Most strongly from mid-August to mid-September.

Curve from 298 observations (iNaturalist, Poland), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.

Key features

Cap ash gray to mouse gray, smooth, with a markedly striate margin, sometimes with a single patch of veil. Stem slender, white to grayish, WITHOUT a ring, with a large white saclike volva at the base; gills white, free. Mildly poisonous raw, edible only after thorough cooking.

Reclassified: iNat: brak wezla gatunkowego; zmapowano na sect. Vaginatae (kompleks mglejarek) [taxon-fix 2026-06-08]

Similar (be careful)Confusions documented in our database

DeathcapAmanita phalloides

deadly

Amanita vaginata has NO ring and has a gray, striate cap; the Deathcap has a ring and a smooth olive cap. An inexperienced forager should not pick them.

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