Globifomes graveolens 

Globiformes graveolens1020522

"Sweet Knot”  The 

Globifomes graviolens (Schwein.) Murrill

Saprobic and parasitic, especially on oaks. Fruits late in the season. Often has a strong odor.

Globifomes graveolens is in the Polyporaceae family of the Polyporales order.