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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.

Red-cracking BoleteXerocomellus chrysenteron

edible

Red-cracking BoleteXerocomellus chrysenteron

Photo: (c) Dani Holmes, some rights reserved (CC BY)

Habitat

mixed forests

deciduous forests

under pines

Season

from June to October

Boletaceae

3–10 cm

Season

Out of seasonOut of season. It usually grows from late July to mid-October.

Today · 22–28 Octout of season

how often reportedpeak

Season

Jun–Oct

Peak

Aug–Oct

Reports

137from Poland, few

Curve from 137 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 olive brown to gray-brown, dry, characteristically cracked in a checkered pattern, with reddish flesh in the cracks. Tubes yellow, then olive yellow, bruising weakly blue when pressed; stem yellow at the top, reddish toward the base, without a net. Flesh pale yellow, reddish under the cap skin, weakly turning bluish when cut.

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