A foraging companion

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Identify.
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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.

Species atlas
Veined CupDisciotis venosa
conditionally edible
Veined CupDisciotis venosa
Photo: no rights reserved
Habitat
deciduous forests
wetlands
mixed forests
parks, treelines
Season
from March to May
Morchellaceae
3–20 cm
Season
Out of seasonOut of season. It usually grows from early March to mid-May.
Today · 22–28 Octout of season
how often reportedpeak
Season
Mar–May
Peak
Mar–Apr
Reports
304Poland and neighbours
Risk window
False Morel grows at the same timeBoth species grow together for about 8 wk a year. Most strongly from early April to late April.
Curve from 304 observations (GBIF: Poland, Czechia, Slovakia, Germany), smoothed week by week. It shows when foragers most often report the species, not how much of it grows.
Key features
Fruit body cup-shaped, later spreading flat, brown, with the inner surface wrinkled and radially veined (like a flattened morel). Smells distinctly of chlorine/bleach (diagnostic feature). Related to morels; must be parboiled before eating.
Similar (be careful)Confusions documented in our database
False MorelGyromitra esculenta
deadly
The Veined Cup has a flat cup shape with small folds and a smell of chlorine; the False Morel has a raised brain-like cap on a stem. They require different processing.
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Grzybiarz
Grzybiarz is a foraging assistant; the decision to harvest is yours.
© 2026 GrzybiarzVersion 0.0.1 · f66d236
Krążkówka żyłkowana (Disciotis venosa) — Conditional · Grzybiarz