| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ULTRA | PI-651033 | 00-WB-80707[2965]; | TR.AE | S | USA:California |
| ULTRA-KARLIK | K-59287; K-59289 | TR.AE | W | RUS:Krasnodar | |
| ULTUNA-60211 | TR.AE | SWE | |||
| ULTUNA-64343 | UL-64343[2804]; | TR.AE | W | SWE | |
| ULTUNA-64367 | UL-64367[2804]; | TR.AE | W | SWE | |
| ULTUNA-LANTVETE | TR.AE | W | SWE | ||
| ULUCAK-2 | AUS-20290 | TR.AE | S | MEX | |
| ULUCAK-4 | AUS-20291 | TR.AE | S | MEX | |
| ULUCAK-75 | PI-520166; AUS-21044 | II-27829-19Y-3M-5Y-0M-0YUR[114][144]; HAR-1217[1654]; ULACAK-75[2331]; | TR.AE | S | TUR |
| ULUCAK-75-2 | II-27829-19Y-2M-3Y-0M[2331]; | TR.AE | S | TUR | |
| ULUGBEK | TR.AE | W | UZB | ||
| ULUGBEK-600 | TR.AE | W | UZB | ||
| ULYA | TR.AE | W | RUS:Stavropol | ||
| ULYANA | K-3887 | TR.SE | S | BLR:Minsk | |
| ULYANOVKA | K-29439; PI-262661,262578,355947; | VELUTINUM-81[37][9][10]; VELUTINUM-081[46]; | TR.AE | W | RUS:Ulyanovsk |
| ULYANOVKA-1 | TR.AE | W | RUS:Ulyanovsk | ||
| ULYANOVKA-10 | K-55774 | TR.AE | I | RUS:Kursk | |
| ULYANOVKA-11 | K-55786 | TR.AE | I | RUS:Kursk | |
| ULYANOVKA-120 | K-55790 | TR.AE | I | RUS:Kursk | |
| ULYANOVKA-13 | K-55800 | TR.AE | I | RUS:Kursk |