Deadly Dapperling
Distribution
Europe (widespread but uncommon), particularly Mediterranean and central European regions. Also recorded in North America (West Coast, British Columbia) and parts of Asia.
Habitat
Grassy areas, woodland edges, gardens, parks, and disturbed ground. Saprotrophic in humus-rich soils. Often found in warm, sheltered locations.
Season
Late summer through autumn (August to November).
Toxin Type
Amatoxins
Symptoms
Overview: Amatoxin poisoning syndrome, same as L. brunneoincarnata. Phase 1 Latent Period: 8-24 hours post-ingestion. Phase 2 Gastrointestinal: Severe abdominal pain, vomiting, profuse watery diarrhea, dehydration. Phase 3 False Recovery: Temporary symptom improvement with ongoing liver damage. Phase 4 Hepatic Failure: Liver necrosis, renal failure, coagulopathy, hepatic encephalopathy, coma, death within 3-7 days without treatment. Mechanism: RNA polymerase II inhibition by amatoxins.