Amanita rhopalopus
An interesting characteristic of this mushroom is its deeply rooting
basal bulb.  Belongs to section
Lepidella in the Amanita genus.
This mushroom gives off an unpleasant scent.  Found in oak
woods.
Compare to
Amanita ravenelii, a somewhat similar species.
48 hour time lapse.
Complete description at
Studies in the genus Amanita
INDIANA MUSHROOMS