HomeSpecies Search › Bluing Panaeolus (Hawaiian Blue Meanies)

🚨 CRITICAL SAFETY PROTOCOL 🚨
If a toxic mushroom ingestion is suspected, do not wait for symptoms to appear. Seek emergency medical care immediately.
Bluing Panaeolus (Hawaiian Blue Meanies) (Copelandia cyanescens) — mushroom identification photo

Bluing Panaeolus (Hawaiian Blue Meanies)

Copelandia cyanescens

⚠ Moderately Toxic
Call Poison Control: 1-800-222-1222
Cap color
Grey-brown, darkens when wet
Cap size
1-4 cm
Gill color
Grey becoming black with maturity
Gill attachment
Adnate to adnexed
Stem
Slender, whitish, blues when bruised or handled
Texture
Thin, fragile cap
Habitat
Grows directly on cattle dung in agricultural pastures, tropical grasslands
Fruiting season
Year-round in tropical climates
Peak season
Year-round in tropical climates, peak after heavy rain

Key Identification Features

Symptoms & Toxicity

Visual and auditory distortions, altered time perception, tachycardia, pupillary dilation, emotional lability; pediatric/veterinary: hyperpyrexia and tonic-clonic seizures at high doses

Regions Found

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, seek emergency medical care immediately. US: 1-800-222-1222 | Canada: contact your provincial hotline | International: dial your national emergency number (911 / 999 / 112 / 000).