-— The interesting thing is they were not native to the U.S. but were brought to America by Russian immigrants in the 1890s -—
Cool info. Thanks.
It is less commonly called “Russian Thistle”.
Supposedly, ground zero was Odessa Texas. That was the main camp for the Russian laborers building the railroad, who named the camp Odessa and it became the town/city, just west of Midland, which is called Midland because it is midway between Dallas and El Paso.
There is an 8' chain link fence around the property where I work, and any time the wind blows the SE corner of the yard fills up with them, about like that yard in the photo.
I like hitting them on the highway at full speed, they sort of explode.