| Hosackia madrensis Sprague & L. Riley, 1923 |
| Hosackia micrantha Nutt. ex Torr. & A. Gray, 1838 |
| Hosackia mollis Greene, 1885 |
| Hosackia neomexicana (Greene) Brand, 1898 |
| Hosackia nevadensis (S. Watson) Parish, 1917 |
| Hosackia nivea S. Watson, 1887 |
| Hosackia nudiflora Nutt. ex Torr. & A. Gray, 1838 |
| Hosackia oblongifolia Benth., 1849 |
| Hosackia oblongifolia var. oblongifolia Benth., 1849 |
| Hosackia ornithopus Greene, 1885 |
| Hosackia pinnata (Hook.) Abrams, 1944 |
| Hosackia plebeia Brandegee, 1889 |
| Hosackia prostrata Nutt. ex Torr. & A. Gray, 1838 |
| Hosackia puberula Benth., 1848 |
| Hosackia repens G. Don, 1832 |
| Hosackia rigida Benth., 1849 |
| Hosackia rigida var. nummularia M.E. Jones, 1895 |
| Hosackia rubella Nutt. ex Torr. & A. Gray, 1838 |
| Hosackia scoparia Nutt. ex Torr. & A. Gray, 1838 |
| Hosackia strigosa Nutt. ex Torr. & A. Gray, 1838 |