| Clone | Genetic background |
|---|
| ‘Middletown’ | Wild seedling from Middletown, Ohio |
|---|
| ‘Mitchell’ | Wild seedling from Iuka, Ill. |
|---|
| ‘NC-1’ | ‘Davis’ female × ‘Overleese’ male |
|---|
| ‘Overleese’ | Cultivated (open-pollinated) seedling from Rushville, Ind. |
|---|
| ‘PA-Golden’ | Second-generation seedling from G.A. Zimmerman collection |
|---|
| ‘Sunflower’ | Wild seedling from Chanute, Kansas. |
|---|
| ‘Taylor’ | Wild seedling from Eaton Rapids, Mich. |
|---|
| ‘Taytwo’ | Wild seedling from Eaton Rapids, Mich. |
|---|
| ‘Wells’ | Cultivated (open-pollinated) seedlings from Salem, Ind. |
|---|
| ‘Wilson’ | Wild seedling from Cumberland, Ky. |
|---|