⚠ If you suspect ingestion of this species, call Poison Control immediately:
1-800-222-1222 (US) · poison.org

Fluted Black Saddle

Helvella lacunosa

⚠ Moderately Toxic

Call Poison Control: 1-800-222-1222

Cap color: black,dark gray
Cap size: 3–8 cm
Gill color: none
Gill attachment: none
Stem: gray to white with deep longitudinal furrows and ribs
Texture: rubbery, wavy
Habitat: conifer forest, disturbed ground, roadsides
Fruiting season: July–October
Peak season: Summer–Fall (July–October)

Key Identification Features

Cap black to dark gray, irregular saddle or cap shape with lobes
stem deeply furrowed and ribbed with chambers — distinctive lacunose stem
not honeycomb-pitted like morels
contains gyromitrin which converts to monomethylhydrazine in body
widespread in western forests

Symptoms & Toxicity

Contains gyromitrin causing nausea vomiting liver damage; call Poison Control 1-800-222-1222

Regions Found

Northeast

Look-Alikes

No documented look-alikes on record.

Safety disclaimer: This page is for educational purposes only. Never eat a wild mushroom based solely on online information. Always verify identification using multiple reliable field guides and, when possible, consult an experienced forager or mycologist. When in doubt, don't eat it. Spore & Scout accepts no responsibility for identification errors or adverse reactions. If you believe someone has ingested a toxic mushroom, call Poison Control (1-800-222-1222) immediately.