Yellow Stainer

Hazard Information

Route: Ingestion     Plant Part: All

Scale: Low

Dependant on the individual. Symptoms vary. Sweating, abdominal pains, vomiting, dizziness.



Common Name(s)

Yellow Stainer

Latin Name

Agaricus xanthodermus


Fungi. The cap is white and smooth except for the centre which is usually slightly scaly, the edges tend to split when mature, approx. width is 6 -12.5 cm (2 1/2 - 5 ins.). The stalk is also white with a fleshy white ring near the top 12.5 cm (5 ins.) high. The gills are pinkish in colour turning to brown. If the fungi is bruised or scratched a bright yellow stain will form hence the name.


This fungi looks very much like the edible horse mushrooms and grows in similar conditions.


Flushing, sweating, abdominal pains, vomiting, diarrhoea and dizziness. The eating of this fungi affects people differently so not all will have the same symptoms, some will have none at all.

Growing Season

Late Summer to late Autumn.


Woodland, meadows and gardens.