| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| URDAL | TR.AE | S | NOR | ||
| URE | RICP-01C0105883 | P.H.HVEDE[1478]; | TR.AE | W | DNK |
| URES-81 | K-59631; PI-471923 | URES[000]; URES-T-81[114][2636]; CM-33027-F-12M-1Y-4M-2Y-2M-0Y-0MEX[114][144][706]; VEERY-2[2636]; | TR.AE | S | MEX |
| URFA | K-50083 | TR.DR | S | TUR | |
| URFA-2005 | TR.DR | W | TUR | ||
| URFA-BUGDAYI | K-50077; | TR.DR | S | TUR | |
| URHO | BOR-5454[4148]; | TR.AE | W | FIN | |
| URIA | SWD-1754-3B-030YRL-3PAP-3Y-0PAP[1281]; SWD-1754[1281]; | TR.DR | S | MEX | |
| URIMIL | URI[4071]; SUWON-250[2831][3568]; | TR.AE | W | KOR | |
| URJA | HD-2864[3079]; | TR.AE | S | IND | |
| URMANKA | TR.AE | S | RUS:Omsk | ||
| URON | B-6811[2964]; | TR.SE | S | MEX | |
| URON-1 | B-6811-245-3Y-2Y-2M-0Y[2964]; | TR.SE | S | MEX | |
| URON-10 | B-6811-270-27Y-2Y-3M-2Y-0M[2964]; | TR.SE | S | MEX | |
| URON-11 | B-6811-246-4Y-2Y-0M[2964]; | TR.SE | S | MEX | |
| URON-12 | B-6811-253-11Y-2Y-3M-1Y-0M[2964]; | TR.SE | S | MEX | |
| URON-13 | B-6811-251-9Y-3Y-0M[2964]; | TR.SE | S | MEX | |
| URON-14 | B-6811-262-19Y-2Y-0M[2964]; | TR.SE | S | MEX | |
| URON-2 | B-6811-245-3Y-2Y-3M-0Y[2964]; | TR.SE | S | MEX | |
| URON-3 | B-6811-245-3Y-2Y-5M-1Y-2M-0Y[2964]; | TR.SE | S | MEX |