Sparassis americana
Cauliflower mushroom is a common name for Sparassis
americana
, formerly called Sparassis crispa, a species restricted
to Eurasia
.  Found in September growing at the base of a red
pine tree. A good edible.
Compare to
Sparassis spathulata.
See Sparassis crispa at
Tom Volk's Fungi
Sparassis crispa
sparassis crispa
sparassis crispa
Sparassis crispa
See Sparassis americana at
Fungi Growing on Wood