1) Briar 2) Brier 3) Bullbrier 4) Catbrier 5) Horse brier 6) Horse-brier 7) Smilax 8) Smilax rotundifolia 9) Vine 1) Bullbrier 2) Catbrier 
Greenbrier is the common name of the plant genus Smilax. It may also refer to: ...
(from the article `Smilax`) genus of plants in the family Smilacaceae, consisting of about 300 species of woody or herbaceous vines, variously known as catbriers and ...