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Lactarius picinus

Lactarius picinus Fr. · Russulaceae

Inedible

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Identification in 5 steps

Lactarius picinus is a small, dark brown to pitch-black milk cap with bitter milk. It grows under conifers and is inedible.

SeasonJuly to October
Spore printwhite
FamilyRussulaceae
  1. Cap. The cap is 2 to 6 cm wide, dark brown to pitch black, glossy when damp and often sticky.
  2. Underside. The gills are narrow and dark, run down the stem and release white milk that later turns bitter.
  3. Stem, ring and volva. The stem is slender and dark, often with a pale base; there is no ring and no volva.
  4. Smell and taste. The milk is bitter; do not taste it.
  5. Flesh and colour change. The flesh is dark and does not change colour noticeably.

Lookalikes

It is bitter and inedible and grows as a dark milk cap under conifers.

Fenugreek milkcap Lactarius helvus

inedible

It has a pale flesh-brown, felty cap and smells of Maggi seasoning, whereas Lactarius picinus is dark and sticky.

Side by side

Lactarius picinusFenugreek milkcapSooty milkcap
Cap2 to 6 cm wide, dark brown to pitch black5 to 15 cm, pale flesh brown, felty3 to 8 cm, velvety black-brown, often bumped
Undersidegills narrow and darkgills whitish to pale ochre, decurrentgills white, contrast with the dark cap
Stemslender, darkcylindrical, pale, cap-colouredlong, black-brown, velvety
Fleshdark, does not change colour noticeablypale, milk watery whitewhite, milk white, slowly reddens
EdibilityInedibleinedibleedible

Habitat & Season

Acidic coniferous forest soils, often in moss. From the hills to the mountains.

Host trees

Spruce, occasionally pine.

Season

possible good main season

Under conifers, especially spruce.

Mushroom regions with a daily forecast

There are no records per region for this species yet. The country pages lead to all regions with a daily forecast.

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Safety

Never eat a mushroom you have not identified with certainty. Not an edible mushroom: do not collect it for the kitchen.

Advice for your country

United Kingdom

Poison centre:

NHS 111 (England)111

Emergency: 999 · 112

Ireland

Poison centre:

National Poisons Information Centre (public line)(01) 809 2166

Emergency: 112 · 999

Germany

Poison centre:

Giftnotruf Berlin030 19240Giftinformationszentrum München089 19240GIZ-Nord Göttingen0551 19240

Emergency: 112

Mushroom advice: DGfM: find a mushroom expert. Certified mushroom experts of the German Mycological Society (DGfM).

Collecting rules: Mushrooms that are not specially protected may be collected in small quantities for personal use unless a protected area or ban applies. Certain specially protected edible species (e.g. cep, chanterelle, birch bolete) may be collected in small quantities for personal use.

Austria

Poison centre:

Vergiftungsinformationszentrale (VIZ)01 406 43 43

Emergency: 112 · 144

Mushroom advice: Austrian Mycological Society (ÖMG): mushroom advice. Mushroom advice by the Austrian Mycological Society or regional services such as municipal market offices.

Collecting rules: At most 2 kg of mushrooms per person per day unless the forest owner has prohibited collecting; organised collecting events are prohibited. Additional state rules apply (collecting hours, closed seasons), e.g. Carinthia, Tyrol, Vorarlberg, Salzburg.

Why it is not edible

Bitter, inedible.

Do not mistake it for edible dark milk caps.

Frequently asked questions

Is Lactarius picinus edible?

No, Lactarius picinus is not edible. It is bitter and grows as a dark milkcap under conifers.

When and where does Lactarius picinus grow?

Lactarius picinus grows from July to October on acidic coniferous forest soils, often in moss, mostly under spruce, occasionally under pine.

Which look-alikes can Lactarius picinus be mistaken for?

It can be mistaken for the sooty milkcap and the fenugreek milkcap. The sooty milkcap tastes mild and has an ochre spore print, whereas Lactarius picinus tastes acrid and has cream-coloured gills. The fenugreek milkcap has a pale flesh-brown, felty cap and smells of Maggi seasoning, whereas Lactarius picinus is dark and sticky.

How do you recognise Lactarius picinus?

The spore print is white. The cap is 2 to 6 cm wide, dark brown to pitch black, glossy when damp and often sticky.

Related species

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Sources

Photo credits

No substitute for having your finds checked in person. No guarantee of accuracy. Updated: 17.10.2026.

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