Ozark–St. Francis National Forest
The Forest has  of old-growth forests. These are mainly in the southern portion of the Forest on ridges and steep south-facing slopes. They are mostly Shortleaf Pine and various oaks. The oaks include Post Oak, Blackjack Oak, Eastern Black Oak, White Oak, and Northern Red Oak.  The Forest is also home to five different endangered species of wildlife. It also has an additional three threatened species.