| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ARANUI | TR.SE | S | NZL | ||
| ARAOS | CD-27313[1281][3692]; | TR.DR | S | MEX | |
| ARAOS-S | AUS-23435 | CD-27313-F-1MM-1Y-0M-12Y-0B[113]; | TR.DR | S | MEX |
| ARAP | RICP-01C0106574 | TR.AE | W | KAZ | |
| ARAPAHOE | K-62385; PI-518591; AUS-25128 | NE-82656[257]; NEBRASKA-82656[000]; | TR.AE | W | USA:Nebraska |
| ARARAT | AFRC-10057 | BAUB-4168.4211[3721][4136]; | TR.AE | W | DEU |
| ARARATI-23 | TR.AE | W | ARM | ||
| ARARATI-6 | K-54611 | TR.AE | W | ARM | |
| ARAUCARIA | K-2197 | X-36517-613-H-0Y[2964]; | TR.SE | S | BRA |
| ARAWA | K-43545; PI-279187; AFRC-235; PI-240081 | CROSS-393[000]; | TR.AE | W | NZL |
| ARAWAIL | TR.AE | S | AUS | ||
| ARAZBUGDASY | K-31134; | ERYTHROSPERMUM-1335-2[9][10][37][11]; | TR.AE | W | AZE |
| ARBATKA | TR.AE | W | RUS:Orel | ||
| ARBEL | TR.DS | ISR | |||
| ARBER | K-64033 | WW-1436,DEU[761]; | TR.AE | W | DEU |
| ARBHAVI-LOCAL | TR.DR | S | IND | ||
| ARBOIS | K-63129 | TR.DR | S | FRA | |
| ARBOLA | RICP-01C0106316 | TR.AE | W | CHE | |
| ARBON,FRA | ERGE-4756 | TR.AE | W | FRA | |
| ARBON,USA | K-57281; CI-17746 | ID-0114[466][1318]; | TR.AE | W | USA:Idaho |