| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| OS-032 | OS.032[39]; | TR.AE | S | FIN | |
| OS-09109-PV-CO | TR.AE | W | FIN | ||
| OS-09444-PV-CO | TR.AE | W | FIN | ||
| OS-38 | TR.AE | JPN | |||
| OS-59-15-8-20 | 8929-ACK-20[3885]; | TR.AE | S | JPN | |
| OS-72-36 | TR.AE | S | JPN | ||
| OS-9-A | PI-658243 | TR.AE | W | USA:Oregon | |
| OSAGE | K-51787; CI-17292; AUS-17269 | OK-696731[767][1318]; | TR.AE | W | USA:Oklahoma |
| OS-AHL | OS.AHL[39]; | TR.AE | W | FIN | |
| OSAKAROVSKAYA | K-43806 | TR.DR | S | KAZ | |
| OS-ALKA | TR.AE | W | SVN | ||
| OSATKA | K-39005 | W | YUG | ||
| OSATKA-CRVEN-KLAS | S | YUG | |||
| OSATKA-SO-OSJE | S | YUG | |||
| OSCAR | TR.AE | W | ITA:Pavia | ||
| OSCAR-1 | CI-15125; AFRC-886; AUS-15666 | OSCAR-I[207][1322]; | TR.AE | S | ITA |
| OSCAR-2 | OSCAR-II[38]; | TR.AE | S | ITA | |
| OSCAR-3 | CI-15126; | OSCAR-III[207][1322]; | TR.AE | S | ITA |
| OSCAR-4 | CI-15127; | OSCAR-IV[207][1322]; | TR.AE | S;I | ITA |
| OSCAR-5 | CI-15128; | OSCAR-V[207][1322]; | TR.AE | S | ITA |