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False Morel (Gyromitra)
Gyromitra esculenta / Gyromitra gigas
TOXIC — Do Not EatWikipedia →
Brain-like or saddle-shaped cap with irregular wrinkles and folds (NOT a honeycomb pattern). Contains gyromitrin, a toxin that metabolizes into monomethylhydrazine. Has caused fatalities.
Habitat
Coniferous forests, often near decaying wood. Overlaps with true morel season and habitat, making misidentification a serious risk.
Look-Alikes
Morchella spp. (True Morel)
Choice edible — the one you WANT to find. Regular honeycomb cap pattern, completely hollow inside.
Identification Tips
- ✓NEVER eat Gyromitra species — toxicity varies by individual and preparation
- ✓Key difference: brain-like wrinkles vs. honeycomb pits
- ✓Slice in half: false morels have chambered/solid interior, true morels are hollow
- ✓Some cultures parboil and eat them, but this does NOT reliably remove all toxin
Found False Morel (Gyromitra)?
Photograph it and log your observation on iNaturalist. The community can help confirm your ID — always get confirmation before eating.
Safety: Never eat any wild mushroom without 100% certain identification from multiple sources. This page is for informational purposes only. When in doubt, throw it out.