A foraging companion

Find.
Identify.
Save.

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.

Species atlas
White DapperlingLeucoagaricus leucothites
inedible
White DapperlingLeucoagaricus leucothites
Photo: no rights reserved
Habitat
meadows, pastures
parks, treelines
Season
from July to October
Agaricaceae
4–10 cm
Season
Out of seasonOut of season. It usually grows from early August to mid-October.
Today · 22–28 Octout of season
how often reportedpeak
Season
Jul–Oct
Peak
Aug–Oct
Reports
42from Poland, few
Risk window
Death Cap grows at the same timeBoth species grow together for about 13 wk a year. Most strongly from late August to late September.
Muchomor jadowityIn the forest together about 13 wk a year.
Curve from 42 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 white to cream, smooth, silky, hemispherical, then flattened. Gills WHITE, staying white or very pale pink (they do NOT turn brown as in Agaricus mushrooms): the key feature; stem white with a white ring and a slightly bulbous base. Easily confused with Agaricus mushrooms and white amanitas.
Reclassified: synonim iNat -> Leucocoprinus leucothites [taxon-fix 2026-06-08]
Similar (be careful)Confusions documented in our database
DeathcapAmanita phalloides
deadly
The White Dapperling has a pure white cap with no volva and gills that turn pink; the Deathcap has an olive tint, a volva at the base and gills that are always white.
European Destroying AngelAmanita virosa
deadly
The White Dapperling has gills that turn pink with age and no volva; the European Destroying Angel has gills that are always white and a distinct volva at the base. Dig up the whole stem before picking.
Start
Scan
Atlas
Map
More
scroll
Grzybiarz
Grzybiarz is a foraging assistant; the decision to harvest is yours.
© 2026 GrzybiarzVersion 0.0.1 · f66d236
Pieczarniczka kremowa (Leucoagaricus leucothites) — Inedible · Grzybiarz