Evaluation location: Washington, United States
Annual Medicago Core developed by Gary L. Bauchan, USDA-ARS, Beltsville, Maryland in 1991. See Crop Sci. 34:279-285(1994). 16 agronomic & morphologic triats on 1240 accessions were grouped by cluster analysis utilizing an unweighed pair group method with arithmetic averages. One accessions per cluster for each species made up the core.