| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| GELYUSOR | K-16774 | TR.TG | S,W | AZE:Nakhichevan | |
| GERMAN-THICKSET-WHEAT | CONE-RIVET-WHEAT[39]; | TR.TG | DEU | ||
| GHEBAERDE-TERWE | GEBAARTE-WEIT[233]; | TR.TG | NLD | ||
| GHEBAERDE-TERWE-MET-HEEL-DOBBLE-AREN | TR.TG | NLD | |||
| GIANT-ST-HELENA-WHEAT | BLE-GEANT-DE-SAINTE-HELENE[39]; | TR.TG | GBR | ||
| HYBRID-KAKHETINSKAYA-VETVISTAYA | K-39304 | HYBRID-KAKHETINSKII-VETVISTYI[541]; | TR.TG | S | RUS:Moscow |
| GIGANTE-BIANCO | TR.TG | W | ITA | ||
| GIGANTE-LAMPINO-DE-NAJERA | TR.TG | ESP | |||
| GIGANTE-ROSSO | TR.TG | W | ITA | ||
| GIGANTE-VELLOSO-DE-NAJERA | TR.TG | ESP | |||
| GIUTA | TR.TG | W | ITA | ||
| GLOCKENWEIZEN | BLE-GEANT-SAINTE-HELENE[39]; | TR.TG | CHE | ||
| GRANO-BIANCO,TR.TG | TR.TG | W | ITA | ||
| GRANO-COMUNE | TR.TG | W | ITA | ||
| GRANO-DI-LOSANNO | BLE-GEANT-DE-SAINTE-HELENE[39]; | TR.TG | CHE | ||
| GRANO-GROSSO | BLE-PETANIELLE-BLANCHE[39]; | TR.TG | ITA | ||
| GRANO-MORO-A | TR.TG | W | ITA | ||
| GRANO-NERO | TR.TG | ITA | |||
| GRANO-RUSSO-A | TR.TG | W | ITA | ||
| GRANO-ROSSO-B | GRANO-RUSSO-B[39]; | TR.TG | W | ITA |