| Galinsogeopsis spilanthoides var. saxosa (Brandegee) Lichter-Marck, 2022 |
| Galinsogeopsis stevensii (B.L. Turner) Lichter-Marck, 2022 |
| Galinsogeopsis turneri (A.M. Powell) Lichter-Marck, 2022 |
| Galinsogeopsis vigilans (Spellenb. & A.M. Powell) Lichter-Marck, 2022 |
| Galinsoginae Benth., 1873 |
| Galophthalmum Nees & C. Mart., 1824 |
| Gamochaeta Wedd., 1856 |
| Gamochaeta americana (Mill.) Wedd., 1856 |
| Gamochaeta americana var. linearifolia Wedd., 1856 |
| Gamochaeta argentina Cabrera, 1961 |
| Gamochaeta capensis G.L. Nesom, 2022 |
| Gamochaeta coarctata (Willd.) Kerguélen, 1987 |
| Gamochaeta falcata (Lam.) Cabrera, 1961 |
| Gamochaeta guatemalensis (Gand.) Cabrera, 1961 |
| Gamochaeta pensylvanica (Willd.) Cabrera, 1961 |
| Gamochaeta purpurea (L.) Cabrera, 1961 |
| Gamochaeta rosacea (I.M. Johnst.) Anderb., 1991 |
| Gamochaeta rubrolinea G.L. Nesom, 2022 |
| Gamochaeta simplicicaulis (Willd. ex Spreng.) Cabrera, 1961 |
| Gamochaeta sphacelata (Kunth) Cabrera, 1961 |