| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| Hry | HENRY[1112] | |||
| Hh | HOHENHEIMER[1112] | |||
| Hm | HOMER[1112] | |||
| Hnr | HONOR[1112] | |||
| Hb | HUMPBACK[1112] | |||
| Hrn | HUNGARIAN[1112] | |||
| Hr | HURON[1112] | |||
| Hs | HUSSAR[1112] | |||
| Ht | HUSTON[1112] | |||
| Hbr63 | HYBRID-63[1112] | |||
| Hbr123 | HYBRID-123[1112] | |||
| Hbr128 | HYBRID-128[1112] | |||
| Hbr143 | HYBRID-143[1112] | |||
| Hmr | HYMAR[1112] | |||
| Hp | HYPER[1112] | |||
| Idd | IDAED[1112] | |||
| Idd59 | IDAED-59[1112] | |||
| Il2 | ILLINOIS-2[1112] | |||
| Ir | ILRED[1112] | |||
| Id | INDIAN[1112] |