You searched for Smilax rigida, which may mean;

Smilax rigida Banks & Sol., in A.Russell, Nat. Hist. Aleppo, ed. 2, 2: 271 (1794) vide Smilax aspera L., Sp. Pl. 1: 1028 (1753)

or

Smilax rigida Wall. ex Kunth, Enum. Pl. 5: 164 (1850), nom. illeg. vide Smilax munita S.C.Chen, Acta Phytotax. Sin. 34: 436. (1996)