| Name | SD-2640 |
| Accession number | PI-519919 |
| Pedigree | OLAF//2*CIANO-67/CHRIS[2965]; |
| Species | TR.AE |
| Bot. variety | erythrospermum[2965] |
| Habit | S |
| Locality | USA:South-Dakota |
| Gene | |
| Synonym | SOUTH-DAKOTA-2640[000]; |
| Status | BL |
| Year | 1987 |
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| Moderate resistance | |
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