1. National Forage Seed Production Res. Cntr., USDA‐ARS 3450 SW Campus Way Corvallis OR 97331
2. USDA‐ARS, Plant Genetics Research Unit Columbia MO 65211
3. National Temperate Forage Legume Germplasm Resources Unit Prosser WA 99350
4. Systematic Botany and Mycology Lab. Beltsville MD 20705
5. Dep. of Agronomy Univ. of Missouri Columbia MO 65211