| Hosackia flexuosa Greene, 1885 |
| Hosackia glabra (Vogel) Torr., 1874 |
| Hosackia grandiflora Benth., 1837 |
| Hosackia greenei (Ottley) Wiggins, 1950 |
| Hosackia heermannii Durand & Hilg., 1854 |
| Hosackia hintoniorum (B.L. Turner) Sokoloff, 2000 |
| Hosackia lathyroides Durand & Hilg., 1854 |
| 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 |