| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| TOTANUS | HRL[1281][3692]; | TR.DR | S | MEX | |
| TOTEMSKAYA | K-39082 | TR.AE | W | RUS:Vologda | |
| TOTEN-2002 | CD-72352-A-1S-11S-3S-5S-0S[3589]; | TR.DR | S | TUR | |
| TOTORA-2014 | CMSA-04-M00070S-040ZTB-040ZTY-040ZTM-040SY-13ZTM-04Y-0B[4361]; | TR.AE | S | BOL | |
| TOTORA-IBTA-80 | AUS-23135 | CM-8399-4M-3Y-1M-1Y-1M-0Y-0BOL[1765]; PAVON[1765]; | TR.AE | S | BOL |
| TOUATIA | TOUATI[4187]; | TR.AE | S | DZA | |
| TOUCHSTONE | AFRC-9451 | TR.AE | W | GBR | |
| TOUIKO | TR.AE | ||||
| TOUKO | K-41960; PI-105098; PI-203117; NGB-359 | JO-01751[221]; | TR.AE | S | FIN |
| TOUKO-JOKIONINEN | AUS-19536; AFRC-5649 | TR.AE | S | FIN | |
| TOUKU | K-40405 | TR.AE | S | FIN | |
| TOUNOUS | TR.DR | GRC | |||
| TOURAN | TR.AE | S | CAN | ||
| TOURMALIN | RICP-01C0107037 | TR.AE | W | BEL | |
| TOURNEUR | K-34660 | TR.AE | S | FRA | |
| TOUS | TR.AE | W | IRN | ||
| TOUSE | K-22033; CI-6017 | WHITE-TOUSE[39][1110]; | TR.AE | S | USA:Utah,Idaho |
| TOUT-A-TOUT | AFRC-1239 | TR.AE | W | FRA | |
| TOUZELLE | K-16201,16202,16203,16204; ERGE-3353 | TUZELLE[39][541]; | TR.AE | S | FRA |
| TOUZELLE-70 | TUZELLE-70[1446]; | TR.AE | FRA |