To learn more about the trees that can be found in Oliver's Woods you can read species descriptions from Catalog of the Woody Plants of Oklahoma by F. Johnson and B. Hoagland published online by the Oklahoma Biological Survey.

Acer negundo - Box elder
Carya illinoensis - Pecan
Celtis laevigata - Hackberry
Diospoyros virginiana - Persimmon
Fraxinus pennsylvanica - Green Ash
Gymnocladus dioicus - Kentucky Coffee Tree
Juglans nigra - Walnut
Juniperus virginiana - Eastern Red Cedar
Populus deltoides - Cottonwood
Quercus macrocarpa - Bur Oak
Salix nigra - Black Willow
Sideroxylon lanuginosa - Chittamwood