Horse Mushroom
Agaricus arvensis
High Risk of Misidentification: Potential Agaricus Species
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Caractéristiques clés
- Free
- crowded
- dark chocolate brown gills (mature)
- Robust
- pale white to tan cap surface
- Prominent superior annulus (ring) on the stem
- Stem base attached to soil
- suggesting terrestrial growth
- Gills do not attach to the stem
Couleur :
White to pale tan cap; Dark brown gills; White stem
Odeur :
Unknown (Crucial diagnostic feature is missing)
Mode de croissance :
Single
Environnement :
Soil
Habitat et distribution
Habitat :
Likely grassy area, lawn, or field edge
Distribution :
Widespread across North America, common in coastal British Columbia.
Saisonnalité :
Summer to Autumn
Critères de confirmation
- Odor (almond/anise vs. phenolic) is the primary diagnostic feature for Agaricus species and is unknown
- Staining reaction upon bruising the stem base is unknown
Valeur économique
Demande du marché :
Moderate - Edible species are popular but require careful identification.
Gamme de prix :
N/A
Usage commercial :
None - Wild harvested only; high risk of confusion with toxic species prevents commercialization.
Espèces similaires
Yellow-staining Mushroom
Agaricus xanthodermus
Différences clés :
- Stains bright chrome yellow instantly when bruised, especially at the stem base
- Strong, unpleasant phenolic or carbolic acid odor
Meadow Mushroom
Agaricus campestris
Différences clés :
- Typically smaller and less robust structure
- Ring often less prominent or fragile
- Gills turn pink before turning dark brown
Action recommandée
Do not consume. Immediate testing for odor and stem base staining is required to rule out the toxic Yellow-staining Mushroom.