Historical Marker
Masonic Hall Building
Historical marker location:
409 South Main Street, Pendleton, Oregon
( Marker is at the intersection of South Main Street and Southwest Emigrant Street, on the left when traveling north on South Main Street.)
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."