Historical Marker

Koos No. 2

Historical marker location:
Coos Bay, Oregon
( Marker is on Oregon Coast Highway (U.S. 101) north of Central Avenue, on the right when traveling north.)

The largest living organism in the world is a fungus in Oregon. The Armillaria ostoyae fungus covers over 2,200 acres of forest in eastern Oregon and is estimated to be over 2,400 years old. It is also known as the "Humongous Fungus."
Oregon random facts