| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| AMBIORIX | K-59522 | TR.AE | W | BEL | |
| AMBITION | RICP-01C0106907 | A-7249.16[4136]; | TR.AE | W | DNK |
| AMBJARBY | TR.AE | W | SWE | ||
| AMBO | CD-89050[1281][3692]; | TR.DR | S | MEX | |
| AMBRAL | K-63126 | D-81053[1347]; | TR.DR | S | FRA |
| AMBRAS | K-64000 | TR.AE | W | DEU | |
| AMBRODUR | RICP-01C0204730 | P-8813[2534]; | TR.DR | S | AUT |
| AMBROGIO | TR.AE | W | ITA | ||
| AMBROSE-STANDUP | TR.AE | I | GBR | ||
| AMBROSIA | AFRC-10056 | PBI-00-52[000]; | TR.AE | W | GBR |
| AMBY | K-13268; PI-191435; AUS-12 | TR.AE | S | AUS:Queensland | |
| AMDALOU | TR.AE | W | FRA | ||
| AMDON | TR.AE | W | GBR | ||
| AMEDEO | TR.DR | S | ITA | ||
| AMEKKAOUI | MAKOUYA[4187]; | TR.DR | S | MAR | |
| AMELIO | K-63288; ERGE-4752 | TR.AE | W | FRA | |
| AMERICAIN-ROUGE-BARBU | TR.AE | FRA | |||
| AMERICAN-378 | K-44353; K-46353; CI-14976; CI-15136 | TR.AE | S | SDN | |
| AMERICAN-8 | K-27234; AUS-1778 | BIRDPROOF[39]; | TR.AE | S | ZAF |
| AMERICAN-BANNER | CI-6943; AUS-14888 | GOLDCOIN[39][1110]; | TR.AE | W | USA:Michigan |