Russian thistle

Etymology
From + : believed to have been introduced to North America from Russia, and is prickly like a thistle.

Noun

 * 1) Any of several species of genus  and its close relatives, prickly shrublike annuals, especially  (syn., which is the best-known kind of tumbleweed in the US.

Derived terms

 * (now )
 * (now )
 * (now )

Translations

 * Finnish: idänotakilokki