Questionable Stropharia
Stropharia ambigua
Caution: Questionable Stropharia Identification

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Key Features
- Viscid yellow to golden cap
- Densely shaggy white floccose stem
- White appendiculate veil fragments on cap edge
- Gills turning dark purplish-brown
- White
- non-staining flesh
Color:
Yellow cap, white stem, greyish-purple gills
Smell:
No distinctive smell
Growth Pattern:
Clustered
Environment:
wood
Habitat & Distribution
Habitat:
Coniferous and mixed forests, wood chips, or decaying logs
Distribution:
North America (especially Pacific Northwest), Europe
Seasonality:
Late Summer to Autumn
Economic Value
Market Demand:
None - toxic
Price Range:
N/A
Commercial Use:
None
Toxicity Information
Symptoms:
- Nausea
- Vomiting
- Abdominal pain
- Diarrhea
Onset Time:
30 minutes to 3 hours
First Aid:
- Contact poison control immediately
- Do not induce vomiting
- Save specimen for expert confirmation
Emergency Contacts:
- 911 (US/CA)
- Poison Help (US): 1-800-222-1222
- 112 (EU)
- 999 (UK)
Similar Species
Sulfur Tuft
Hypholoma fasciculare
Key Differences:
- Extremely bitter taste
- Yellow-green gill tint
- Smooth stem lacking shaggy scales
Crown Stropharia
Stropharia coronilla
Key Differences:
- Grows primarily in grass or lawns
- Smooth stipe
- Smaller overall dimensions
Recommended Action
Do not consume. Avoid ingestion and wash hands after handling.