| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| UTUD-G-21 | TR.AE | TUR | |||
| UTUNA-01710 | TR.AE | SWE | |||
| UTUNA-56276 | TR.AE | SWE | |||
| U-TUN-VAN | K-42490; | TR.AE | CHN | ||
| UUT-387 | TR.SE | W | RUS:Novosibirsk | ||
| UUT-388 | TR.SE | W | RUS:Novosibirsk | ||
| UVE | K-40413 | TR.AE | S | DEU | |
| UVERTYURA | TR.AE | W | RUS:Voronezh | ||
| UVEYIK | K-50057,50061,50192,50329,50339; | UVEYIK-BUGDAY[2331]; PI-166846; PI-166847; PI-166917; PI-177900; | TR.DR | S | TUR |
| UVINKA | K-48215 | LUTESCENS-151-57-351[2265]; | TR.AE | S | RUS:Vyatka |
| UW-0003 | CM-75113-B-5M-1Y-05M-2Y-3B-0Y-0UGA[1281]; | TR.AE | S | UGA | |
| UW-0011 | CM-66120-D-1M-1Y-1M-1Y-1M-0Y-0UGA[1281]; | TR.AE | S | UGA | |
| UW-0027 | CM-67768-RW5-RW5-RW5-RW5-RW4-RW0-0UGA[1281]; | TR.AE | S | UGA | |
| UW-007 | CM-76226-1Y-01M-02Y-2B-3Y-0B-0UGA[1281]; | TR.AE | S | UGA | |
| UYAROCHKA | K-65451 | TR.AE | S | RUS:Krasnoyarsk | |
| UZAN | TR.AE | S | ISR | ||
| UZBEKISTAN | K-42792 | TR.TG | S | UZB | |
| UZBEKSKAYA-214 | K-53290 | GRAECUM-214,UZB[1447]; | TR.AE | W | UZB |
| UZDYM | TR.AE | W | BLR | ||
| UZHINOK | UZHYNOK[4296]; | TR.AE | W | UKR:Odessa |