Horse Mushroom - Agaricus arvensis


It can be recognised by the large, whitish cap up to 15 cm across, usually yellowing on the surface, the well-developed ring with cog-wheel like scales on the underside, the presence of dark spores when mature, and a pleasant aniseed like odour. The flesh usually stains yellow when cut or bruised.

Identification difficulty

Grassland and other grassy places, fields and parks, on nutrient-rich soil.

When to see it

Late summer through autumn.

Life History

Sometimes grows in groups.

UK Status

A widespread and fairly common species in Britain.

VC55 Status

Fairly common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map