A common, medium-sized orange to yellow-orange Amanita of eastern North America with easily removed yellow veil patches, a yellowish skirt-like ring and powdery yellow veil fragments at the stem base. It is one of the most frequently seen Amanitas in early and mid-summer. Reliable separation from similar orange Amanitas needs microscopic features.
Edibility unknown; do not eat. Several close relatives are highly poisonous. It is often confused with yellow-orange forms of Amanita muscaria (ibotenic acid/muscimol), which have inamyloid spores and concentric scaly rings at the stem base, and with A. frostiana (round, inamyloid spores). As with all Amanitas, deadly amatoxin-containing species occur in the same woods.
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Habitat
Ectomycorrhizal with oaks and other hardwoods, and reported with hemlock and other conifers, including high-elevation red spruce forests. Alone, scattered or in groups. Summer and fall; over winter along the Gulf Coast.
Distribution
Common and widespread in eastern North America east of the Rocky Mountains, from Ontario south to the Gulf Coast and Mexico.
Characteristics
Cap: 3-9 cm, convex becoming broadly convex or flat; orange to yellow-orange, fading toward yellow in sun; sticky when wet; scattered yellow warts or patches that rub off easily; margin usually not lined. Gills: free or narrowly attached, close to crowded, white, sometimes with yellow edges. Stem: 5-12 cm long, 0.5-1 cm thick, pale yellow, tapering upward to a slightly enlarged base with a small bulb; powdery yellow veil fragments on the bulb, easily lost when collecting. Ring: high, skirt-like, yellowish. Flesh: white, thin; odor not distinctive. Chemical reactions: KOH negative on cap. Spore print: white. Spores: 6-9 x 4-6 um, ellipsoid, smooth, amyloid.
