By Josh Gaskamp Characteristics: Giant ragweed is an annual, warm-season forb native to North Ameeaches six feet. Thick green stems are covered with stiff white hairs,...
By Rob Cook Characteristics: Several threeawn species grow in Oklahoma and are commonly known as tickle grass or wiregrass. Threeawns are native, warm-season, annual or perennial...
By Josh Gaskamp Characteristics: Greenbrier is a perennial, warm-season woody vine native to the eastern two-thirds of North America, including the Southern Great Plains. It can...
By Rob Cook Characteristics: Scribner’s panicum is a native, cool-season perennial grass. It grows about 6 to 18 inches tall. The leaves of Scribner’s panicum are...
