Grows in SOIL.
There are a number of pale-yellow Amanita species. This one is Amanita flavella.
Fruit-body: The fruit bodies are globose when juvenile, then convex and finally aging to plane. Amanita flavella has a soft lemon-yellow smooth cap with a diameter to 90 mm; the cap rim is finely striate. The gills are off-white to pale-yellow and crowded.
Stem: Is yellowish white and has a flared ring. The stem is central, to 90 mm in height and has a bulbous base which is enclosed in a sack like structure called a volva.
Spore print: White.
Habit: May be solitary, in soil.
Notes: This is a mycorrhizal fungus.