Greenbrier is a thorny evergreen vine that grows in thickets, along roadsides and in woods. Greenbrier is the common name for a number of individual species of vine. All Greenbrier vines are good for wildlife. The black fruit is a good source of food for many species of birds and matures in September to November. And the leaves provide good nutritional value to deer all winter long.
The leaves of the different species should all look similiar to the picture above but not exactly. All the leaves will have thorny margins.