Estimated value
Not a sellable food species.
Never sell. Pure white and beautiful. Lethal amatoxins.
poisonous · deadly
Amanita bisporigera / A. virosa
Also called White Amanita

Not a sellable food species.
Never sell. Pure white and beautiful. Lethal amatoxins.
All-white Amanita: cap, gills, ring, and volva. Young buttons look like puffball eggs until sliced. Responsible for tragedies when people 'know it's a meadow mushroom.'
Mixed woods, lawns near trees, forest edges.
Learn it in mixed woods midsummer to fall. Teach every new picker the volva + white gills rule.
Do not harvest for food. If you must move it off a trail, bag it and wash tools.
None. Liver transplant is the last-resort medical path after amatoxin poisoning.
None.
Not food.
Meadow mushroom (Agaricus)
Agaricus has pink-then-brown gills and no volva. White gills = not Agaricus.
Matsutake / puffball buttons
Always section and excavate.
Tick every required mark in the woods. 0/3 required. This still is not laboratory certainty.
Do not eat or sell this specimen. Missing required marks.