HomeSpecies Search › California Agaricus

⚠ If you suspect ingestion of this species, call Poison Control immediately:
1-800-222-1222 (US)  ·  poison.org
California Agaricus (Agaricus californicus) — mushroom identification photo

California Agaricus

Agaricus californicus

⚠ Moderately Toxic
Call Poison Control: 1-800-222-1222
Cap color
White, yellowing when rubbed
Cap size
5-12cm
Gill color
Pink then brown
Gill attachment
Free from stem
Stem
With ring, white
Texture
Firm
Habitat
Lawns, disturbed areas in California
Fruiting season
Fall-Winter
Peak season
Fall-Winter

Key Identification Features

Symptoms & Toxicity

GI distress: nausea, vomiting. The chemical odor is the key distinguishing feature from edible Agaricus species.

Regions Found

Region data not available

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.