Horse mushroom vs meadow mushroom: how to tell them apart

Quick answer

The meadow mushroom's young gills are bright pink and its ring is thin and fragile, often gone; the horse mushroom's young gills are whitish to grayish with no bright pink stage, and its large ring has a cogwheel pattern underneath. The horse mushroom is also larger and smells sweet, of anise or almonds.

Side by side

The tell for each

Two white horse mushrooms with smooth, rounded caps among fallen leaves
Edible
Horse MushroomAgaricus fissuratus

The tellLarge white cap that slowly bruises yellowish, grayish pink to brown gills, a large ring with a cogwheel pattern beneath, and an anise smell.

Two white meadow mushrooms in grass, one turned over to show pink gills and a short stem
Edible
Meadow MushroomAgaricus campestris

The tellWhite cap on a short stem, with bright pink gills that turn chocolate brown, growing in grass.

How they differ

Differences between the horse mushroom and the meadow mushroom
FeatureHorse MushroomMeadow Mushroom
Young gillsHorse MushroomWhitish to grayish, without a bright pink stage.Meadow MushroomBright pink.
RingHorse MushroomLarge, with a cogwheel pattern on its underside.Meadow MushroomThin and fragile, often disappearing.
SmellHorse MushroomSweet, of anise or almonds.Meadow MushroomPleasant, without anise.
Cap sizeHorse Mushroom3 to 8 inches (7.5 to 20 cm).Meadow Mushroom1 to 4 inches (2.5 to 10 cm).
BruisingHorse MushroomSlowly yellowish.Meadow MushroomNo yellowing; flesh sometimes slightly pinkish.
Spore printHorse MushroomChocolate brown.Meadow MushroomChocolate brown to blackish brown.

FAQ

Common questions

What is the difference between a horse mushroom and a meadow mushroom?

Size, smell and the gills. Horse mushrooms are larger, smell of almonds or anise, and lack the meadow mushroom's bright pink young gills.

What is the horse mushroom's scientific name?

Agaricus fissuratus. It has long been called Agaricus arvensis, but MushroomExpert.com and MykoWeb, following Kerrigan (2016), treat the common North American horse mushroom as A. fissuratus.

Sources

Where these facts come from

  1. Agaricus campestris

    MushroomExpert.com

  2. Meadow Mushroom

    Missouri Department of Conservation

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