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Comparison

False saffron milkcap or woolly milkcap? How to tell them apart

False saffron milkcap is an edible mushroom, while the woolly milkcap is a poisonous mushroom. Compare the two mushrooms point by point.

False saffron milkcap (Lactarius deterrimus)
False saffron milkcap Lactarius deterrimusEdiblePhoto: Jerzy Opioła / Wikimedia Commons, CC BY-SA 4.0
Woolly milkcap (Lactarius torminosus)
Woolly milkcap Lactarius torminosusPoisonousPhoto: Jerzy Opioła / Wikimedia Commons, CC BY-SA 3.0
Key differences

The poisonous look-alike of the “rydze”: hairy cap margin, grows under birch, milk white and burning hot.

The edible false saffron milkcap has orange milk and grows under spruces, without a woolly margin.

Feature by feature

FeatureFalse saffron milkcapWoolly milkcap
EdibilityEdiblePoisonous
Cap4–10 cm, orange to salmon, indistinctly zoned; older specimens and those after frost have green patches. Margin long inrolled, funnel-shaped with age.4–12(15) cm, flesh-pink to brick-pink, concentrically zoned, depressed; margin long inrolled, densely covered with hanging woolly hairs (best seen in young specimens).
Under the capGills red-orange, brittle, fairly crowded, slightly decurrent; turn green when damaged.Gills white to light cream (sometimes with a pink tinge), crowded, slightly decurrent.
Stem3–7 cm, the colour of the cap, without distinct pits (sometimes indistinct spots), soon hollow; when damaged discolours wine-red, then dark green.3–10 cm, cream to pinkish, short, sometimes with pits, soon hollow.
FleshCream, stained by the orange milk. Milk orange, turning wine-red after approx. 15–30 min in the air; the flesh slowly turns green.White, brittle. Exudes abundant WHITE milk that does not change colour in the air (turns yellow on paper).
Smell and tasteSmell pleasant, fruity; taste of young specimens slightly acrid or bitterish, older ones milder.Smell fruity or turpentine-like; milk and flesh burning hot (do not taste).
HabitatConiferous and mixed forests, only under spruces; more common in the mountains and foothills, often in masses in young spruce plantations. On acidic and alkaline soils.Always with birches: forests, parks, forest edges, heaths, often among mosses on acidic, sandy or clay soils.
SeasonAugust, September, OctoberJuly, August, September, October, November

How to recognise it: false saffron milkcap

  • Orange milk that turns red in the air after a dozen or so minutes
  • Grows only under spruces
  • Stem without distinct pits
  • Green patches on the cap of older specimens
Full species profile →

How to recognise it: woolly milkcap

  • Woolly, hairy, inrolled cap margin
  • White, burning-hot milk
  • Pinkish, zoned cap
  • Always with birches
Full species profile →

Safety rule

Never eat a mushroom identified only from a website, a photo or an app. Show any doubtful specimen to a certified mushroom inspector at the sanepid (state sanitary inspection); in season the advice points are free. Do not give wild-picked mushrooms to children.

The golden rules of foraging →

Frequently asked questions

False saffron milkcap or woolly milkcap: how can you tell them apart?

The poisonous look-alike of the “rydze”: hairy cap margin, grows under birch, milk white and burning hot. The edible false saffron milkcap has orange milk and grows under spruces, without a woolly margin.

Woolly milkcap: what to do if you have eaten it?

Call 112 at once or go to A&E (SOR), and take any leftover mushrooms with you. Irritant resinous substances (the acrid compounds of the milk) – gastrointestinal syndrome: nausea, vomiting, diarrhoea, usually within a few hours. Not fatal.

Sources

  1. Mleczaj świerkowy – Wikipedia (PL)
  2. Lactarius deterrimus – Atlas grzybów Polski (grzyby.pl, M. Snowarski)
  3. Lactarius deterrimus – First Nature
  4. Mleczaj wełnianka – Wikipedia (PL)
  5. Lactarius torminosus – Atlas grzybów Polski (grzyby.pl, M. Snowarski)
  6. Lactarius torminosus – First Nature

Last checked: 9 November 2026. Spotted a mistake? Write to us.

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