Amanita cokeri, also known as Coker's amanita and solitary lepidella, is a medium to large agaric with a white cap and a shiny surface that is sticky when wet. The mushroom grows solitary or in small groups in woods in summer.
white in colour, convex, then flat, with large white to pale brownish pyramidal warts over center. The warts are smaller and gradually become more cottony toward the margin. Gills
crowded, free or narrowly attached to the stem, broad and white. Stem
white, solid and tapers slightly to the top. It is smooth to shaggy in texture. The mushroom ha as a ring that is thick and often double-edged, the underside being tissuelike.
There are over 40 white Amanita species, most of which have white warts.
on the MushroomExpert.Com Web site.