1. Botany Department and Program in Ecology University of Wyoming Laramie Wyoming USA
2. Department of Wildland Resources and the Ecology Center Utah State University Logan Utah USA
3. USDA‐ARS Rangeland Resources Research Unit Fort Collins Colorado USA
4. Department of Biological, Geological and Environmental Sciences Cleveland State University Cleveland Ohio USA
5. Warner College of Natural Resources Colorado State University Fort Collins Colorado USA
6. Department of Ecosystem Science and Management University of Wyoming Laramie Wyoming USA