| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ADEN | TR.AE | S | AUS:New-South-Wales | ||
| ADDSAND | TR.AE | W | DEU | ||
| ADDA | TR.AE | S | ITA:Cremona | ||
| ADANA | TR.AE | W | USA | ||
| ADA-MARTISI | CD-96316[1281][3692]; | TR.DR | S | MEX | |
| AD-1 | TR.AE | IRN | |||
| ACUTA | CD-16907[3692]; | TR.DR | S | MEX | |
| ACUATICO | CD-86803[1281][3692]; | TR.DR | S | MEX | |
| ACTON | TR.AE | S | AUS:New-South-Wales | ||
| ACTITIS | CD-52458[1281][3692]; | TR.DR | S | MEX | |
| ACSAD-65 | CM-470-1M-3Y-0M-0MAR[1281][3692]; CM-470[1281]; ACSAD[851]; | TR.DR | S | MAR | |
| ACME,TR.AE | MEDITERRANEAN[39][1110]; | TR.AE | W | USA | |
| ACKERMANN-57-33-23 | TR.AE | DEU | |||
| ACKERMANN-0473 | TR.AE | DEU | |||
| ACION | TR.AE | W | FRA | ||
| ACHUN-3 | TR.AE | S | CHN:Xinjiang-Uygur | ||
| ACHUN-2 | TR.AE | S | CHN:Xinjiang-Uygur | ||
| ACHUN-1 | TR.AE | S | CHN:Xinjiang-Uygur | ||
| ACHTRIJIGE-RODE-WINTERTARWE | ACHTRIJIGE-RODE-WINTER-TARWE[000]; | TR.AE | W | NLD | |
| ACHLEITNER-ROTER-KOLBEN | TR.AE | W | AUT |