1. Canyonlands Research Station; Southwest Biological Science Center, U.S. Geological Survey; 2290 South West Resource Boulevard, Moab UT 84532 U.S.A.
2. Grand Staircase Escalante National Monument, Bureau of Land Management; Kanab UT 84741 U.S.A.
3. Southwest Biological Science Center, U.S. Geological Survey; 2255 North Gemini Drive, Flagstaff AZ 86001 U.S.A.
4. Merriam-Powell Center for Environmental Research and Department of Biological Sciences; Northern Arizona University; 805 South Beaver Street, Flagstaff AZ 86011-6077 U.S.A.
5. Department of Animal and Range Sciences; New Mexico State University; Las Cruces NM 88003 U.S.A.
6. Rocky Mountain Research Station; U.S. Forest Service; 735 North 500 East, Provo UT 84606 U.S.A.
7. Chicago Botanic Garden; 1000 Lake Cook Road, Glencoe IL 60022 U.S.A.
8. Bureau of Land Management; 1849 C Street NW, LSB-204, Washington DC 20240 U.S.A.
9. Upper Colorado Environmental Plant Center; 5538 County Road 4, Meeker CO 81641 U.S.A.
10. Colorado Plateau Native Plant Program; Bureau of Land Management; 440 West 200 South, Salt Lake City UT 84101 U.S.A.
11. New Mexico State Office; Bureau of Land Management; 301 Dinosaur Trail, Santa Fe NM 87508 U.S.A.
12. Western Colorado Landscape Collaborative; Montrose CO 81402 U.S.A.