What is "pine woods snake"

n. A slender brown snake, (taxlink Rhadinaea flavilata species noshow=1), from southeastern from United States

The pine woods snake (Rhadinaea flavilata), also commonly known as the yellow-lipped snake or the brown-headed snake, is a species of secretive colubrid found in scattered locations across the Southeastern United States. Rhadinaea flavilata is rear-fanged and mildly-venomous, but not usually dangerous to humans.