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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.

Horn-of-plentyCraterellus cornucopioides

edible

Horn-of-plentyCraterellus cornucopioides

Photo: (c) Sofia Zvolanek, some rights reserved (CC BY)

Habitat

deciduous forests

beech forests

under oaks

mixed forests

Season

from August to November

Cantharellaceae

2–8 cm

Season

EndingPast the peak. The season usually lasts until early November.

Today · 22–28 Oct57% of peak

how often reportedpeak

Season

Aug–Nov

Peak

Aug–Oct

Reports

143from Poland, few

Curve from 143 observations (iNaturalist, Poland), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.

Key features

Fruit body shaped like a deep, hollow trumpet or horn of plenty, brown-black to black-gray, with a wavy, inrolled margin. Outer surface (the spore-bearing surface) almost smooth, grayish violet, without ridges; flesh thin, membranous, aromatic when dried.

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