| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ARCOBELANO | TR.DR | S | ESP | ||
| ARCOLA | DT-371[1179]; S-78309[1323]; | TR.DR | S | CAN:Saskatchewan | |
| ARCOLE | K-57259; PI-659559; AFRC-3635; ERGE-1574 | FD-6524[40]; ARCOLA[667][1759]; ARKOLA[541]; | TR.AE | W | FRA |
| ARCO-SELECTION | CI-11400 | TR.AE | W | USA:Oregon | |
| ARCO-SELECTION-IDAHO-8118 | CI-11498 | TR.AE | W | USA:Idaho | |
| ARCOUR | K-58709 | D-2-A[40]; | TR.DR | S | FRA |
| ARCTIC | TR.AE | S | CAN | ||
| ARCTICA | A-4050[3692]; | TR.DR | S | MEX | |
| ARCTIC-JUNIOR | TR.AE | USA | |||
| ARCTIS | LEU-60210[1371]; | TR.AE | W | DEU | |
| ARDA | RICP-01C0105276 | TR.AE | W | POL | |
| ARDEA,ITA | K-45050 | TR.AE | W | ITA | |
| ARDEAL | ARDEAL-1[4085][4313]; | TR.AE | W | ROM | |
| ARDEA,MEX | CD-10023[3692]; | TR.DR | S | MEX | |
| ARDEC | K-59454 | TR.AE | S | BEL | |
| ARDENNE | EPEAUTRE-ARDENNE[69]; | TR.SP | W;S | BEL | |
| ARDENNES | K-44623; PI-351524; ERGE-1575 | F.D.732[39]; FD-732[000]; ARDENNES-DESPREZ[541]; | TR.AE | W | FRA |
| ARDENOIS | TR.DR | FRA | |||
| ARDENT | K-52814; PI-362213; PI-383385; AUS-12127 | TR.AE | W | FRA | |
| ARDENTE | K-61952 | D-483[1347]; | TR.DR | S | FRA |