Galium rivale (Sibth. & Sm.) Griseb., Spic. Fl. Rumel. 2: 156. 1844 Galium rivale (Sibth. & Sm.) Griseb., Spic. Fl. Rumel. 2: 156. 1844is new combination for Asperula rivalis Sibth. & Sm., Fl. Graec. Prodr. 1: 87. 1806Taxon for this nameGalium rivale (Sibth. & Sm.) Griseb., Spic. Fl. Rumel. 2: 156. 1844