1. USDA-ARS Western Regional Plant Introduction; Washington State University; 59 Johnson Hall Pullman WA 99164-6402 USA
2. INRA; UMR1349 Institut de Génétique; Environnement et Protection des Plantes; Le Rheu F-35653 France
3. USDA-ARS Grain Legume Genetics and Physiology Research; 305 Johnson Hall Pullman WA 99164-6434 USA
4. USDA-ARS Vegetable and Forage Crops Research Unit; 24106 N. Bunn Road Prosser WA 99350 USA
5. Department of Botany; Palacký University; Olomouc Czech Republic
6. USDA-ARS Horticultural Crops Research Laboratory; 3420 NW Orchard Corvallis OR 97330 USA