WY CAPS Progrram
University of Wyoming
Dept. Ecosystem Science & Management: 3354
1000 East University Ave.
Laramie, WY 82071
Puncturevine is a county declared weed in Big Horn, Converse, Fremont, Goshen, Hot Springs, Johnson, Laramie, Natrona, Platte, Sheridan, Washakie and Weston counties in Wyoming.
Photo by Joseph M. DiTomaso, University of California - Davis, Bugwood.org