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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.

Summer BoleteBoletus reticulatus

edible

Summer BoleteBoletus reticulatus

Photo: (c) Yaroslav Andrianov, some rights reserved (CC BY)

Habitat

deciduous forests

under oaks

beech forests

mixed forests

Season

from May to October

Boletaceae

7–30 cm

Season

Out of seasonOut of season. It usually grows from early June to early October.

Today · 22–28 Octout of season

how often reportedpeak

Season

May–Oct

Peak

Jul–Aug

Reports

199from Poland, few

Curve from 199 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 light brown to ochre brown, matte, often finely cracked in dry weather, velvety. Tubes white, then yellow-olive; stem slender, paler than in B. edulis, entirely covered with a distinct, wide brownish net reaching the base. Flesh white, not changing, mild; a warmth-loving species under oaks and beeches.

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