Where’s Wildlife · Mushroom Field Guide

American Fly Agaric

Amanita chrysoblema

Pronounced (approx.): am-uh-NY-tuh kris-oh-BLEE-muh

Yellow-orange caps carry numerous pale warts above a skirted stalk.

American Fly Agaric. Select the photo to browse the gallery. Photographs © Where’s Wildlife.

NATIVE

At a Glance

Family
Amanitaceae
Size
Large caps on stout stalks
Habitat
Woodlands with hardwoods or conifers
Ecological role
Forms associations with tree roots
Spore surface
Pale gills

Fruiting varies with local weather and habitat.

Three Identification Clues

01

Yellow-orange cap with pale warts

02

Skirt-like ring on the stalk

03

Shaggy veil bands near the swollen stem base

Field Photographs

Compare form, texture and growing surfaces in the photographs below.

Identification & Look-alikes

What to Look For

These seven photographs are labeled Amanita chrysoblema, yellow-orange form. The cap, ring and basal veil bands support the American fly agaric identification.

A Closer Look

Older references call this form Amanita muscaria var. guessowii. Other yellow amanitas differ in their stem-base structures; the separately photographed uncertain amanitas are not included.

Habitat & Life History

Habitat & Season

Woodlands with hardwoods or conifers. Summer and fall.

Ecology & Fruiting

The fungus associates with tree roots; the visible cap and stalk are its spore-producing fruiting body.

Did You Know?

Look closely

Yellow-orange cap with pale warts.

Compare the setting

Shaggy veil bands near the swollen stem base.

About this identification

The label follows the identification level stated above.

Range & Sightings

Where It Lives

These photographs were taken in Illinois or Wisconsin; the exact location of each image is unconfirmed. The observation map provides wider context.

Recorded Observations

Explore reported sightings on iNaturalist. Observation records are not a complete range map.

Identification notes & comments

Think a photograph has a different identification? Please include its filename or describe the image, suggest a name, and explain the identifying features. Links to reliable references are welcome. Thoughtful corrections help improve this guide.

Suggestions are reviewed before we change a label. First-time comments may await moderation.

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