| Hymenatherum treculii A. Gray, 1883 |
| Hymenatherum wrightii A. Gray, 1849 |
| Hymenoclea Torr. & A. Gray, 1848 |
| Hymenoclea monogyra Torr. & A. Gray ex A. Gray, 1849 |
| Hymenoclea pentalepis Rydb., 1922 |
| Hymenoclea platyspina Seaman, 1975 |
| Hymenoclea salsola Torr. & A. Gray ex A. Gray, 1849 |
| Hymenoclea salsola var. patula (A. Nelson) Peterson & W.W. Payne, 1974 |
| Hymenoclea salsola var. pentalepis (Rydb.) L.D. Benson, 1943 |
| Hymenopappus L'Hér., 1788 |
| Hymenopappus anthemoides Juss., 1803 |
| Hymenopappus artemisiifolius DC., 1836 |
| Hymenopappus filifolius Hook., 1833 |
| Hymenopappus filifolius var. filifolius Hook., 1833 |
| Hymenopappus filifolius var. lugens (Greene) Jeps., 1925 |
| Hymenopappus flavescens A. Gray, 1849 |
| Hymenopappus flavomarginatus I.M. Johnst., 1923 |
| Hymenopappus hintoniorum B.L. Turner, 1985 |
| Hymenopappus lugens Greene, 1899 |
| Hymenopappus mexicanus A. Gray, 1883 |