This mushroom is generally considered a southern
mushroom. It was first identified at this somewhat northern location
in Lawrence in 1988, although it had been found several years before.
Now it has become a common summer urban mushroom during rainy spells. It
frequently fruits at the same time as Chlorophyllum molybdites.
It is a rather large Amanita, and
is especially notable for the sticky, cottony, lace-like mass that is the
remains of the universal veil. It is named in honor of Dr. Harry
Thiers, well known for his participation in many NAMA forays.