| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ARKAS | K-55891; PI-428502; AUS-19865 | 5835[40]; | TR.AE | S | DEU |
| ARK,DEU | TR.AE | W | DEU | ||
| ARKHAT | TR.AE | S | RUS:Penza | ||
| ARKHIPELAG | K-64541 | TR.DR | S | UKR:Odessa | |
| ARKONA | CN-52733 | TW-89204[3116]; | TR.AE | W | DEU |
| ARKOS | K-59021; K-59551; K-58188 | TAW-34727-75[541][667]; ARCOS[541]; | TR.AE | W | DEU |
| ARKTIKA | BOR-95109[000]; | TR.AE | W | FIN | |
| ARK,USA | K-49849; CI-15286; AUS-15047 | ID-5010[1318]; | TR.AE | W | USA:Idaho |
| ARLANDO | CI-10069 | TR.AE | W | USA | |
| ARLANTE | TR.DR | S | ESP | ||
| ARLAS | RICP-01C0107306 | TR.AE | W | CHE | |
| ARLATAN | TR.DR | FRA | |||
| ARLEQUIN,FRA | RICP-01C0107319 | TR.AE | W | FRA | |
| ARLEQUIN,MEX | CD-26132[3692]; | TR.DR | S | MEX | |
| ARLETTA-CB-46-140 | TR.AE | NLD | |||
| ARLIN,FRA | K-63134 | TR.DR | W | FRA | |
| ARLINGTON | TR.AE | W | USA | ||
| ARLIN,USA | PI-564246 | KS-SB-369-7[1158][1318]; CV-833[1801]; | TR.AE | W | USA:Kansas |
| ARLO | NGB-15076 | TR.AE | W | DNK | |
| ARMADA,GBR | K-55338; PI-422222; PI-447041; AFRC-2573 | RPB-181-70[1346]; | TR.AE | W | GBR:England |