| Gnaphalium stagnale I.M. Johnst., 1923 |
| Gnaphalium standleyi Steyerm., 1944 |
| Gnaphalium stolonatum S.F. Blake, 1937 |
| Gnaphalium stramineum Kunth, 1818 |
| Gnaphalium strictum A. Gray, 1857 |
| Gnaphalium subfalcatum Cabrera, 1941 |
| Gnaphalium tenue Kunth, 1818 |
| Gnaphalium thermale E.E. Nelson, 1900 |
| Gnaphalium ustulatum Nutt., 1841 |
| Gnaphalium virgatum L., 1759 |
| Gnaphalium viridulum I.M. Johnst., 1924 |
| Gnaphalium viscosum Kunth, 1818 |
| Gnaphalium vulcanicum I.M. Johnst., 1923 |
| Gnaphalium vulcanicum var. monticola McVaugh, 1972 |
| Gnaphalium wrightii A. Gray, 1882 |
| Gnaphalopsis DC., 1838 |
| Gnaphalopsis micropoides DC., 1838 |
| Gochnatia Kunth, 1818 |
| Gochnatia arborescens Brandegee, 1903 |
| Gochnatia glomeriflora A. Gray, 1883 |