| Greggia camporum var. angustifolia J.M. Coult., 1890 |
| Greggia camporum var. linearifolia (S. Watson) M.E. Jones, 1895 |
| Greggia linearifolia S. Watson, 1883 |
| Guenthera Andrz. ex Besser, 1822 |
| Guillenia Greene, 1906 |
| Guillenia cooperi (S. Watson) Greene, 1906 |
| Guillenia lasiophylla (Hook. & Arn.) Greene, 1906 |
| Gynophorea Gilli, 1955 |
| Halimolobeae Al-Shehbaz, Beilstein & E.A. Kellogg, 2006 |
| Halimolobos Tausch, 1836 |
| Halimolobos acutifolius O.E. Schulz, 1924 |
| Halimolobos berlandieri (E. Fourn.) O.E. Schulz, 1924 |
| Halimolobos diffusa (A. Gray) O.E. Schulz, 1924 |
| Halimolobos elatus (Rollins) Al-Shehbaz & C.D. Bailey, 2007 |
| Halimolobos henricksonii (Rollins) Al-Shehbaz & C.D. Bailey, 2007 |
| Halimolobos hispidulus (DC.) O.E. Schulz, 1924 |
| Halimolobos lasiolobus (Link) O.E. Schulz, 1924 |
| Halimolobos lasiolobus var. lasiolobus (Link) O.E. Schulz, 1924 |
| Halimolobos lasiolobus var. pedicellatus Rollins, 1943 |
| Halimolobos minutiflorus Rollins, 1976 |