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Jack O'Lantern Mushroom (Omphalotus illudens)

Is Jack O'Lantern Mushroom edible?

Omphalotus illudens

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Toxic

Severe Toxicity

Omphalotus illudens is a poisonous mushroom. Consumption leads to severe gastrointestinal distress, including nausea, vomiting, diarrhea, and abdominal cramps. Symptoms typically appear within 30 minutes to 3 hours after ingestion and can last for several hours. While generally not fatal, the symptoms are highly unpleasant and can lead to dehydration.

Toxin Type: Illudin S and illudin MReaction Type: Gastrointestinal irritant

Don't confuse with these look-alikes

Misidentification is the most common cause of mushroom poisoning. Jack O'Lantern Mushroom can be confused with:

  • Chanterelle — Cantharellus
  • Omphalotus olivascens — Omphalotus
  • Omphalotus olearius — Omphalotus

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