Yellow Stainer
Agaricus xanthodermus
Potential Toxic Yellow Stainer (Agaricus species)
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Caractéristiques clés
- Cap white
- broad
- with a flattened
- slightly scaly brown center.
- Gills free
- crowded
- currently pinkish-salmon color.
- Robust white stem with a prominent
- skirt-like ring (annulus).
- Grows terrestrially in soil or grass.
- Stem base often stains bright yellow when bruised (unconfirmed here).
Couleur :
White cap/stem; Pink gills.
Odeur :
Unknown (Crucial distinguishing feature, often phenolic or inky for this species)
Mode de croissance :
Single
Environnement :
Soil
Habitat et distribution
Habitat :
Lawns, parks, disturbed ground, grassy areas.
Distribution :
Widely distributed across North America, including Colorado.
Saisonnalité :
Summer to Autumn
Critères de confirmation
- Critical chemical tests (yellow staining) and odor assessment are missing.
- Identification relies solely on morphology, which is shared by several Agaricus species.
Valeur économique
Demande du marché :
None - toxic
Gamme de prix :
N/A
Usage commercial :
None
Informations sur la toxicité
Symptômes :
- Nausea
- Vomiting
- Severe diarrhea
- Abdominal cramps
Délai d'apparition :
30 minutes to 3 hours
Premiers secours :
- Seek immediate medical attention.
- Preserve specimen for identification by medical staff.
Contacts d'urgence :
- 911 (US)
- Poison Help (US): 1-800-222-1222
Espèces similaires
Meadow Mushroom
Agaricus campestris
Différences clés :
- Lacks phenolic odor.
- Stem base does not stain yellow.
- Gills turn dark brown faster.
Destroying Angel
Amanita virosa
Différences clés :
- Gills are always white.
- Has a distinct sac-like volva at the base.
- Lacks the pink gill stage.
Action recommandée
Do not consume. Isolate specimen immediately and wash hands thoroughly.