| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| GRENADO | DAD-400[3721]; | TR.SE | W | FRA | |
| GRENIER | ERGE-4838 | TR.AE | W | FRA | |
| GRENORA | PI-642022 | D-97780[3454]; | TR.DR | S | USA:North-Dakota |
| GRESBEN | TR.AE | S | AUS | ||
| GRESLEY | K-13261; AUS-300; AUS-294; PI-55858 | NUMBER-83[113][1451]; GRASBY-83[1451]; | TR.AE | S | AUS:Western-Australia |
| GRETI | TR.AE | W | ROM | ||
| GREVIN | TR.AE | W | FRA | ||
| GREY-CHAFFED-BROWICK | TR.AE | W | GBR | ||
| GREY-CONE | TR.TG | W | GBR | ||
| GREY-POLL | BLUE-CONE[39]; | TR.TG | W | GBR | |
| GREY-POLLARD | TR.TG | GBR | |||
| GRIECHEN-WEIZEN-3 | AFRC-6503 | TR.DR | S | GRC | |
| GRIECHISCHER | K-01673 | TR.DR | S | GRC | |
| GRIECHISCHER-SOMMER-VON-PAROS | K-00083 | TR.DR | S | GRC | |
| GRIECHISCHER-SOMMER-VON-VOLO | K-00097 | TR.DR | S | GRC | |
| GRIECHISCHER-VON-ANDROS | K-01713 | TR.AE | S | GRC | |
| GRIECHISCHER-VON-ATALANTI | K-06275 | TR.DR | S | GRC | |
| GRIECHISCHER-VON-MISSOJEN | K-06276 | TR.DR | S | GRC | |
| GRIECHISCHER-WEIZEN | TR.DR | S | GRC | ||
| GRIECHISCHER-WEIZEN-10 | TR.DR | S | GRC |