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tumbleweed
About 100-130 species; see text.
Trivia about tumbleweed
Russian thistle breaks from its base & goes drifting along with the wind -- so it's called this
A common type of this plains plant is the Russian thistle--let's go drifting along with the tumblin' these
The Russian thistle is a species of this plant blown about the prairies
A common sight in the Old West, it's the common name for the Russian thistle (if you get our drift)
Russian thistle is also called this, since the plant detaches from its base & scatters seeds as it rolls