| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| OFANTO | TR.DR | S | ITA:Rome | ||
| OFELIYA | K-64304 | LUTESCENS-4473-h-31-4-2[413]; KNIISKH-31[413]; | TR.AE | W | RUS:Krasnodar |
| OFIO | TR.AE | W | |||
| OFOGH | TR.AE | S | IRN | ||
| OG-01530 | TR.AE | W | SWE | ||
| OG-0978-D-2 | TR.AE | S | SWE | ||
| OG-47-535 | TR.AE | W | SWE | ||
| OG-978 | TR.AE | SWE | |||
| OG-990 | TR.AE | SWE | |||
| OGALLALA | PI-573037 | WI-89-055[1318]; AGRIPRO-OGALALA[3441]; OGALALLA[3705]; | TR.AE | W | USA:Colorado |
| OGILVIE | AUS-735 | TR.AE | S | AUS:Western-Australia | |
| OGNEVKA,S | K-28127 | TR.AE | S | RUS:Kurgan | |
| OGNEVKA,W | TR.AE | W | RUS:Ekaterinburg | ||
| OGOLCHO | ETBW-5520[3589]; CTSS92Y310-14Y-0M-ZY-0B[4361]; | TR.AE | S | ETH | |
| OGOSTA | K-54747; PI-476785; AUS-21730 | GT-453-202[000]; | TR.AE | W | BGR |
| OGUBA-210 | K-39323 | OGUBA-N-210[541]; | TR.AE | S | IRQ |
| OGUR | TR.AE | W | ITA | ||
| OH-02-12686 | TR.AE | W | USA:Ohio | ||
| OH-02-13567 | TR.AE | W | USA:Ohio | ||
| OH-04-264-58 | TR.AE | W | USA:Ohio |