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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.

Hoof FungusFomes fomentarius

inedible

Hoof FungusFomes fomentarius

Photo: (c) aga_l_, some rights reserved (CC BY)

Habitat

deciduous forests

under birches

beech forests

Season

from January to December

Polyporaceae

10–40 cm

Season

All yearGrows all year round. The curve only shows when people photograph it most.

Today · 29 Oct–4 Novout of season

how often reportedpeak

Season

Jan–Dec

Peak

Mar–Sep

Reports

1145from Poland

Curve from 1145 observations (iNaturalist, Poland), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.

Key features

Hoof-shaped, perennial fruit body broadly attached to the trunk, ash gray, with concentric growth furrows. Underside light brown, with fine pores; flesh hard, felty. Most often on beech and birch, visible all year.

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