1. Rangelands and Forage Resources; INIFAP; Pasteur No. 414, Primer Piso, Querétaro Querétaro México 76040
2. Forage Physiology and Management; Texas A&M Univ. AgriLIFE Research; 21643 Tyee Rd. Oakland OR 97462
3. Range Management; Texas A&M Univ.-Kingsville; MSC 218 700 Univ. Blvd. Kingsville TX 78363
4. Kika de la Garza Plant Materials Center; USDA-NRCS; 3409 N FM 1355 Kingsville TX 2704
5. Texas A&M Univ. AgriLIFE Research at Stephenville; 1229 N U.S. Hwy. 281 Stephenville TX 76401