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.

Horse MushroomAgaricus arvensis

edible

Horse MushroomAgaricus arvensis

Photo: (c) Jerry Cooper, some rights reserved (CC BY)

Habitat

meadows, pastures

parks, treelines

Season

from June to October

Agaricaceae

8–20 cm

Season

EndingPast the peak. The season usually lasts until late October.

Today · 22–28 Oct91% of peak

how often reportedpeak

Season

Jun–Oct

Peak

Aug–Oct

Reports

169Poland and neighbours

Risk window

European Destroying Angel grows at the same time

Both species grow together for about 15 wk a year. Most strongly from mid-August to late September.

Muchomor sromotnikowyIn the forest together about 14 wk a year.

Curve from 169 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

Large cap, white to cream-yellow, yellowing when pressed, silky and shiny. Gills grayish white for a long time, then pink and dark brown; stem with a thick, two-layered ring whose underside has a cogwheel pattern; intense smell of anise.

Similar (be careful)Confusions documented in our database

DeathcapAmanita phalloides

deadly

The Horse Mushroom smells of anise/almond, has yellowing flesh and pink-brown gills; the Deathcap has white gills, a volva and an unpleasant sweet smell. Volva at the base = always discard.

European Destroying AngelAmanita virosa

deadly

The Horse Mushroom has pink→brown gills and an anise smell; A. virosa is entirely white with white gills and a volva. Always dig up the whole stem: the volva at the base is decisive.

BackCompare

Start

Scan

Atlas

Map

More