Russian thistle

== English == === Etymology === From Russian + thistle: believed to have been introduced to North America from Russia, and is prickly like a thistle. === Noun === Russian thistle (plural Russian thistles) Any of several species of genus Salsola and its close relatives, prickly shrublike annuals, especially Salsola tragus (syn. Kali tragus, which is the best-known kind of tumbleweed in the US. (Australia) Salsola australis ==== Synonyms ==== (Salsola tragus): prickly Russian thistle ==== Derived terms ==== barbwire Russian thistle (Salsola paulsenii) opposite-leaf Russian thistle (Soda inermis) shrubby Russian thistle (now Nitrosalsola vermiculata) slender Russian thistle (Salsola collina) ==== Translations ====