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Common Rustgill (Gymnopilus penetrans)

Is Common Rustgill edible?

Gymnopilus penetrans

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Toxic

Mild Toxicity

Gymnopilus penetrans is generally considered inedible due to its extremely bitter taste. While not typically reported as deadly poisonous, some sources suggest it may cause mild gastrointestinal upset (nausea, vomiting, diarrhea) in some individuals. It does not contain psilocybin, unlike some other species in the genus Gymnopilus. Due to its bitterness and potential for mild toxicity, it should not be consumed.

Toxin Type: Unknown bitter compounds, potentially mild gastrointestinal irritants.Reaction Type: Gastrointestinal

Don't confuse with these look-alikes

Misidentification is the most common cause of mushroom poisoning. Common Rustgill can be confused with:

  • Spectacular Rustgill — Gymnopilus
  • Conifer Gymnopilus — Gymnopilus
  • Big Laughing Gym — Gymnopilus

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