1. Department of Geography; University of Utah; Salt Lake City UT USA
2. Department of Human Dimensions of Natural Resources; Colorado State University; Fort Collins CO USA
3. Pacific Southwest Research Station; Invasives and Threats; Ecosystem Function and Health; USDA Forest Service; Davis CA USA
4. Department of Zoology; University of Wisconsin; Madison WI USA
5. Department of Geography; Humboldt State University; Arcata CA USA
6. Department of Botany; Charles University; Prague Czech Republic
7. Department of Forest Ecology; Czech University of Life Sciences; Prague Czech Republic
8. Department of Marine and Coastal Sciences; Rutgers University; New Brunswick NJ USA
9. Ruckelshaus Institute of Environment and Natural Resources; University of Wyoming; Laramie WY USA
10. Rocky Mountain Research Station; Forest Inventory and Analysis; USDA Forest Service; Ogden UT USA
11. Department of Geography; University of Idaho; Moscow ID USA
12. Department of Ecosystem and Conservation Sciences; University of Montana; Missoula MT USA
13. Department of Biology; University of Bergen; Bergen Norway
14. Department of Geosciences and Geography; University of Helsinki; Helsinki Finland
15. Department of Forest and Rangeland Stewardship; Colorado State University; Fort Collins CO USA