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Matt Milk Cap (Lactarius helvus)

Matt Milk Cap

Toxic

Lactarius helvus

Also known as: Velvet Milk Cap

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Description

Lactarius helvus, commonly known as the Matt Milk Cap, is a species of fungus in the family Russulaceae. It is characterized by its dull, matte cap and a mild, sometimes indistinct, taste. The mushroom is typically found in coniferous forests and is known for its distinctive, somewhat unpleasant odor when dried.

How to Identify

Cap
The cap is typically 5-12 cm in diameter, convex to flattened, and often has a central depression. The surface is matte, dry, and can be various shades of tan or ochre. It may have faint concentric zones.
Gills
The gills are adnate to slightly decurrent, crowded, and pale ochre in color. They may stain slightly brownish with age or when damaged.
Stem
The stem is cylindrical, slender, and typically the same color as the cap or slightly paler. It is usually hollow and can be brittle.
Flesh
The flesh is thin and brittle, with a pale color. It does not typically change color when bruised.
Fruiting body
The fruiting body of Lactarius helvus is a medium-sized mushroom with a cap and stem. It exudes a milky latex when damaged, though this feature may be subtle.
Habitat
Lactarius helvus is found in coniferous forests, often associated with pine trees. It fruits in late summer and autumn.

Key Facts

  • Cap surfaces: Dry, matte
  • Growth Form: Mycorrhizal
  • Spore Print: Cream to pale ochre
  • Body color: Tan, ochre, or brownish
  • Odor: Distinctive, fenugreek-like
  • Flesh bruises: No significant bruising
  • Height: 5-10 cm
  • Cap Diameter: 5-12 cm
  • Nutrient gathering: Mycorrhizal

Toxic

Moderate Toxicity

Lactarius helvus contains compounds that can cause gastrointestinal upset if consumed raw or in large quantities. It is considered mildly toxic and should be cooked thoroughly before consumption. Some individuals may experience adverse reactions even after cooking.

Reaction Type: Gastrointestinal Irritant

Quick Check

  • Odor: Distinctive, often described as fenugreek-like or celery-like, especially when dried.
  • Fruiting: Late summer to autumn
  • Substrate: Soil, often under coniferous trees

Where to Find

Coniferous Forests

Lactarius helvus is commonly found in coniferous forests, particularly those with pine trees. Look for it in areas with acidic soil and plenty of leaf litter.

Europe

This species is widespread in Europe, including Scandinavia, the UK, and parts of Central Europe.

Finding Tips

Check Under Pine Trees

Focus your search in areas under pine trees, as Lactarius helvus has a strong association with these trees.

Late Summer and Autumn

Look for this mushroom in late summer and autumn, when it is most likely to be fruiting.

Similar Species

Lactarius quietus

mushroom

Also known as: Oak Milkcap

Lactarius rufus

mushroom

Also known as: Rufous Milkcap

Scientific Classification

Phylum
Basidiomycota
Class
Agaricomycetes
Order
Russulales
Family
Russulaceae
Genus
Lactarius

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