Tumbleweeds get around

Could a tumbleweed by any other name be an icon of the American West?Probably not. Especially since the other name is Russian thistle. Either way, we’re stuck with the ubiquitous born-to-roll plants— green and growing or dead and blowing between fences.Native to Eurasia, Russian thistles reportedly arrived in North America in the 1870s, possibly as stowaways with flax seed....