Mushroom
American Caesar / Jackson's Slender Caesar
Amanita jacksonii · genus Amanita
Brilliant orange-red to reddish cap with a striate margin, yellow/orange stem, yellowish free gills, and a white sac-like volva at the stem base — classic Caesar-group Amanita morphology.
About
Description
A Caesar-group Amanita with a brilliant orange-red to reddish cap, striate cap margin, yellow/orange stem coloration, yellowish free gills, and a white sac-like volva at the stem base. A ring was initially expected but later appeared absent or possibly weathered away.
Safety Cautions
EXTREME IDENTIFICATION CAUTION. Previous successful consumption does not establish future orange/red Amanitas as safe. The genus includes deadly species.
Edible with caution. Previous successful consumption does not establish future orange/red Amanitas as safe.
No known use.
Mycorrhizal hardwood associate. Participates in underground nutrient exchange with trees rather than simply decomposing dead material.
Mycorrhizal with oak and other hardwoods.
Summer–fall fruiting (August 2026 observation)
Hardwood leaf litter, associated particularly with oak
Mixed hardwood woodland / oak-associated forest floor
A harvested specimen believed to be A. jacksonii was sliced and sautéed with garlic and butter and consumed without reported adverse effects.
Complete intact specimen including stem base/volva; cap, gills, annulus condition, spore print/microscopy where appropriate; host-tree association.
Educational use only. Identification, edibility, and traditional medicinal knowledge is shared for learning. Always obtain positive identification before eating, harvesting, or medicinally using any plant or fungi. This Atlas is not medical advice.