Fossil Salix (Willow) Leaf - Green River Formation

This is a fossil leaf from Salix longiacuminata, a type of willow. It is Eocene in age and comes from the Green River Formation. Fine details are very hard to see on this specimen.

It comes the Green River Formation and the area in Uintah County, Utah. This is the same formation that is famous for producing well preserved fish fossils, but a different member and location.