1. School of Life Sciences Arizona State University Tempe AZ USA
2. Department of Research, Conservation and Collections Desert Botanical Garden Phoenix AZ USA
3. School of Forestry Northern Arizona University Flagstaff AZ USA
4. Center for Adaptable Western Landscapes Flagstaff AZ USA
5. Department of Biological Sciences Northern Arizona University Flagstaff AZ USA
6. U.S. Department of Agriculture Forest Service Rocky Mountain Research Station, Forest and Woodland Ecosystems Program Flagstaff AZ USA