Amanita pantherina, also known as the Panther cap or Panther amanita, is a medium to large fleshy agaric with brownish cap, pure white patches, white stem, ring, bulbous base with distinct margin.
shiny brown or grey-brown with a very finely striate margin, initially domed, later flatten, with densely distributed warts that are pure white to sordid cream, minutely verruculose and easily removable. Gills
free, close to crowded, white becoming greyish, truncate. Stem
subcyclindric, somewhat narrowing upward, white, becoming slightly tannish in age, stuffed then hollow, finely floccose becoming smooth above the white ring that is initially quite chunky but often becomes thin and floppy in more mature specimens, sometimes with a toothed edge.
on the First Nature Web site.
on the MushroomExpert.Com Web site.