Wildflowers - Buffalobur
The many spines on the Buffalobur discourage grazing. The Buffalobur is in the Nightshade Family and several closely related species are very poisonous (i.e. Black Nightshade, S. nigrum).
Did You Know?
Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers." More...