Greenbrier Smilax Greenbrier Liliaceae. There are several pinelands species. Vine has green stem, sharp thorns, tendrils, and most species have broad, green leaves.
Flowers are green or yellow, and appear in late spring in most species.
Fruits are blue-black berries, appearing in autumn and persisting through winter. Habitat varies among species, but many are common in moist soils. Photographed at Lake Carasaljo Municipal Park.