| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| ACHR | ARCHER,USA[1281]; | TR.AE | USA | |
| ACL | ARCOLA[1281]; | TR.DR | CAN | |
| AREITA | ARENA[1281]; | TR.DR | ITA | |
| ARA-A | AROONA[1281]; | TR.AE | AUS | |
| ARUN1 | ARUNDINACEUS-1[1281]; | TR.DR | S | MEX |
| ARUN2 | ARUNDINACEUS-2[1281]; | TR.DR | S | MEX |
| ARUN3 | ARUNDINACEUS-3[1281]; | TR.DR | S | MEX |
| ARUN4 | ARUNDINACEUS-4[1281]; | TR.DR | S | MEX |
| ARUN5 | ARUNDINACEUS-5[1281]; | TR.DR | S | MEX |
| ARUN6 | ARUNDINACEUS-6[1281]; | TR.DR | S | MEX |
| ARUN7 | ARUNDINACEUS-7[1281]; | TR.DR | S | MEX |
| Rcn | RACINE[1112] | |||
| ARUN | ARUNDINACEUS[1281]; | TR.DR | S | MEX |
| AS167 | AS-167[1281]; | TR.AE | CHN | |
| AS82 | AS-82[1281]; | TR.AE | CHN | |
| ASK | ASAKAZEKOMUGI[1281]; | TR.AE | JPN | |
| ATA28 | ATA-28[1281]; | TR.AE | TUR | |
| ATA34 | ATA-34[1281]; | TR.AE | TUR | |
| ATA81 | ATA-81[1281]; | TR.AE | TUR | |
| ATZ | ATACAZO-69[1281]; | TR.AE | S | ECU |