Greenbrier
Description: On their own, Smilax plants will grow as a shrub, forming dense impenetrable thickets. They will also grow over trees and other plants up to 10 m high using its hooked thorns to hang on to and scramble over branches. The genus includes both deciduous and evergreen species. The leaves are heart shaped and vary from 4-30 cm long in different species.
Where found: Eastern United States
Availability: Spring, Summer
Use: The shoots and leaves are delicious eaten raw on the trail or in salads. They can also be boiled and eaten as asparagus and greens.