1. North Carolina Natural Heritage Program Asheville NC 28805 U.S.A.
2. NatureServe 2550 South Clark Street, Suite 930 Arlington VA 22202‐3926 U.S.A.
3. Florida Institute for Conservation Science 112 Half Moon Trail Melrose FL 32666 U.S.A.
4. Institute of Systematic Botany, New York Botanical Garden 2900 Southern Blvd. Bronx NY 10458‐5126 U.S.A.
5. Biology Department, North Carolina Botanical Garden University of North Carolina at Chapel Hill Campus Box 3280 Chapel Hill NC 27599‐3280 U.S.A.
6. The Institute for Regional Conservation 100 E. Linton Blvd. #302B Delray Beach FL 33483 U.S.A.
7. Jepson Herbarium & Department of Integrative Biology University of California 1001 Valley Life Sciences Bldg. #2465 Berkeley CA 94720‐2465 U.S.A.
8. Missouri Botanical Garden 4344 Shaw Blvd. St. Louis MO 63110 U.S.A.
9. University and Jepson Herbaria & Department of Integrative Biology University of California 1001 Valley Life Sciences Bldg. #2465 Berkeley CA 94720‐2465 U.S.A.
10. National Plant Data Team United States Department of Agriculture 2901 East Gate City Blvd., Suite 2100 Greensboro NC 27041 U.S.A.
11. Department of Biology and Burke Museum University of Washington Seattle WA 98195 U.S.A.
12. Texas Parks and Wildlife Department 4200 Smith School Road Austin TX 78744 U.S.A.
13. United States Forest Service 333 Broadway Blvd. SE Albuquerque NM 87102 U.S.A.
14. Wyoming Natural Diversity Database University of Wyoming 1000 E. University Avenue Laramie WY 82071 U.S.A.
15. California Native Plant Society 2707 K Street, Suite 1 Sacramento CA 95816 U.S.A.