Field knowledge
Forager’s guide

Practical mushroom knowledge: how to tell edibles from toxic lookalikes, where and when to look, and how to forage safely. Written by foragers, for foragers.

Parasol mushroom next to a death cap, a comparison plate of diagnostic features
01Guide
Parasol vs death cap: four features that save lives

The parasol is a rewarding mushroom for beginners, but confusing it with the death cap can be fatal. Four features: the snakeskin stem, the movable ring, the volva and the gill colour.

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Porcini next to a devil’s bolete, a field-guide style comparison plate
02Guide
Porcini or devil’s bolete? Telling them apart in the field

The porcini and the devil’s bolete only look alike from a distance. Up close the pore colour, the flesh reaction and the stem give it away. A practical guide to the tells that settle the question.

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Chanterelle next to a false chanterelle, a plate showing ridges versus gills
03Guide
Chanterelles and their lookalikes: telling the real thing apart

A chanterelle has ridges, not gills, and they run far down the stem. Neither the false chanterelle nor the toxic jack-o’-lantern can fake that one feature. A practical guide.

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A porcini in moss beneath a spruce, a forest-floor scene in golden light
04Guide
Where and when porcini grow: how to read the forest

Porcini grow where the right trees meet moisture and warmth. Which trees they live with, when to go out after rain, and how to read the forest floor.

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The four seasons of foraging, a seasonal wheel in botanical-plate style
05Guide
A mushroom calendar: what to pick and when, all year round

The mushroom season is more than September. From spring morels through summer chanterelles and porcini to autumn honey fungus and winter velvet shanks. A season-by-season guide.

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A wicker basket of mushrooms and a forager’s knife against forest litter
06Guide
Seven rules of safe foraging

Safe foraging comes down to a few habits: pick only species you are sure of, get to know the whole mushroom, trust knowledge over myths. Seven rules worth knowing.

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A phone resting against a mossy log on the forest floor, the screen showing a dark map with amber mushroom markers and a range ring
07Guide
Podgrzybek GO: virtual mushrooms in a real forest

Forest Hunt is the field game inside the Grzybiarz app. Virtual specimens stand in real woodland and catching one means naming the species. How the Grzybdex, the mycelium, flushes and the leaderboard work.

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Forager’s guide: identification, lookalikes, season · Grzybiarz