Fungus · GBIF taxon 5462822
Lactarius deceptivus
Lactarius deceptivusAlso known as Deceptive Milkcap
Deceiving milkcaps emerge from moist forest floors in summer and autumn, pairing with host trees like hemlocks and oaks to exchange vital nutrients. Their heavy white caps feature a distinctive cottony, inrolled rim that coarsens into a yellowish brown texture as the mushroom matures. When wounded, the flesh bleeds a copious white latex with an intensely acrid, peppery taste.
ForestMycorrhizalFungus
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Mycorrhizal
Predators
- Fungus gnats
- Slugs
- Squirrels
ThreatsHabitat loss and forest fragmentation
HabitatsConiferous and mixed hardwood forests
Life spanPerennial mycelium; fruiting bodies last 1–3 weeks
Size / weightNot available
Classification
- OrderRussulales
- FamilyRussulaceae
- GenusLactarius
- SpeciesLactarius deceptivus
Range data is not available yet.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Many wild mushrooms have toxic look-alikes; raw flesh causes gastrointestinal upset, so never ingest wild fungi.
- Why it is dangerous
- Produces acrid chemical compounds that cause gastrointestinal irritation and severe burning sensations in the mouth.
- How to recognize a risky encounter
- Recognized by its massive whitish cap, heavily rolled-in woolly margin, and copious peppery white milk.
- What to do
- Avoid consuming wild mushrooms; wash hands after touching to prevent eye irritation from acrid latex.
Responsible observation
- Observe Latex: Slice the gills gently to watch white liquid exude upon injury.
- Check Cap Edge: Examine the cottony, rolled-in cap margin that coarsens with age.
- Note Forest Type: Search in damp soil around hemlock, pine, and oak trees late summer through autumn.
Genus Member (c) Oliver Clarke, some rights reserved (CC BY), uploaded by Oliver Clarke · cc-by
Mycorrhizal Host (c) Ian Manning, some rights reserved (CC BY), uploaded by Ian Manning · cc-by
Genus Member Dan Molter / CC BY-SA 3.0 · cc-by-sa
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