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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.
Death CapAmanita phalloides

deadly poisonous
Death CapAmanita phalloides
Habitat
deciduous forest
under oaks
beech forest
mixed forest
Season
from July to October
Season
Out of seasonOut of season. It usually grows from late July to mid-October.Today · 22–28 Octout of season
how often reportedpeak
Season
Jul–Oct
Peak
Aug–Sep
Reports
234from Poland
Risk window
Parasol Mushroom grows at the same timeBoth species grow together for about 14 wk a year. Most strongly from late August to late September.
Pieczarka łąkowaIn the forest together about 14 wk a year.
Pieczarka polnaIn the forest together about 14 wk a year.
Pieczarka leśnaIn the forest together about 14 wk a year.
Kurzawka czerniejącaIn the forest together about 14 wk a year.
Muchomor szafranowyIn the forest together about 14 wk a year.
Gołąbek trawiastozielonyIn the forest together about 14 wk a year.
Gołąbek modryIn the forest together about 14 wk a year.
Pieczarniczka kremowaIn the forest together about 13 wk a year.
Purchawica olbrzymiaIn the forest together about 13 wk a year.
Muchomor czerwieniejącyIn the forest together about 13 wk a year.
Muchomor rdzawobrązowyIn the forest together about 12 wk a year.
Muchomor mglejarkaIn the forest together about 12 wk a year.
Muchomor szyszkowatyIn the forest together about 12 wk a year.
Gąska gołębiaIn the forest together about 12 wk a year.
Czubajka czerwieniejącaIn the forest together about 11 wk a year.
Purchawka chropowataIn the forest together about 11 wk a year.
Gołąbek zielonawyIn the forest together about 9 wk a year.
Czernidłak kołpakowatyIn the forest together about 8 wk a year.
Czubajka sutkowataIn the forest together about 7 wk a year.
Czubajka gwiaździstaIn the forest together about 7 wk a year.
Species description
The most dangerous toxic mushroom in Poland, responsible for the majority of fatal poisonings. Amatoxins destroy the liver; death within 5-7 days without transplantation. Faint sickly-sweet odor in older specimens. Any suspicion = DO NOT collect.Recognition features
confirm features
0 / 5
Olive-greenish cap with radial fibrils
Pure white, free gills (not pink!)
White, smooth stipe
White, pendant ring
SACK-LIKE volva at the base (dig out!)
Toxic look-alikesSpecies most often confused with this one.
Parasol MushroomMacrolepiota procera
edible
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Grzybiarz
Grzybiarz is a foraging assistant; the decision to harvest is yours.