1. Plant Sciences 115; Univ. of Arkansas; 495 N. Campus Dr. Fayetteville AR 72701
2. USDA-ARS, Plant Sciences 115; Univ. of Arkansas; 495 N. Campus Dr. Fayetteville AR 72701
3. USDA-ARS; 6883 South Highway 23 Booneville AR 72927
4. Beaver Watershed Alliance; 614 E. Emma Ave., Suite m438 Springdale AR 72764
5. USDA-ARS; 2300 Experiment Station Road Bushland TX 79012
6. 139 Agricultural Hall, Oklahoma State Univ. Stillwater OK 74078
7. USDA-ARS; 598 McElroy Dr. Oxford MS 38555
8. USDA-NRCS; Federal Bld. Room 3416, 700 West Capitol Ave. Little Rock AR 72201