| Gaura odorata Sessé ex Lag., 1816 |
| Gaura parviflora Lehm., 1830 |
| Gaura sinuata Nutt. ex Ser., 1828 |
| Gaura spicata Sessé & Moc., 1888 |
| Gaura suffrutescens Ser., 1828 |
| Gaura suffulta Engelm., 1850 |
| Gaura suffulta subsp. nealleyi (Wooton & Standl.) P.H. Raven & D.P. Greg., 1973 |
| Gaura tripetala Cav., 1797 |
| Gayophytum A. Juss., 1832 |
| Gayophytum diffusum Torr. & A. Gray, 1840 |
| Gayophytum micranthum Hook. & Arn., 1833 |
| Gongylocarpeae Donn. Sm. & Rose, 1913 |
| Gongylocarpus Schltdl. & Cham., 1830 |
| Gongylocarpus fruticulosus (Benth.) Brandegee, 1889 |
| Gongylocarpus rubricaulis Schltdl. & Cham., 1830 |
| Hartmannia Spach, 1835 |
| Hartmannia (Spach) Walp., 1843 |
| Hartmannia affinis Spach, 1835 |
| Hartmannia dissecta (A. Gray) Rose, 1905 |
| Hartmannia gauroides Spach, 1835 |