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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-banded PolyporeFomitopsis pinicola

inedible

Red-banded PolyporeFomitopsis pinicola

Photo: (c) Piotr Lukasik, some rights reserved (CC BY)

Habitat

under pines

under spruce

mixed forests

Season

from January to December

Fomitopsidaceae

10–35 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

Apr–Sep

Reports

1496from Poland

Curve from 1496 observations (iNaturalist, Poland), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.

Key features

Perennial, hoof-shaped fruit body with a lacquered, red-brown band right next to the yellowish white, actively growing margin. Underside cream, with fine pores, yellowing when rubbed. Mainly on dead spruces and pines; the fruit body lasts all winter.

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