| Hosackia argentea Kellogg, 1863 |
| Hosackia argophylla A. Gray, 1854 |
| Hosackia argyraea Greene, 1886 |
| Hosackia bicolor Douglas ex Benth., 1829 |
| Hosackia brachycarpa Benth., 1849 |
| Hosackia bryantii Brandegee, 1889 |
| Hosackia chihuahuana S. Watson, 1888 |
| Hosackia crassifolia Benth., 1836 |
| Hosackia crassifolia var. crassifolia Benth., 1836 |
| Hosackia crassifolia var. otayensis (Isely) Brouillet, 2008 |
| Hosackia decumbens Benth., 1837 |
| Hosackia decumbens var. nevadensis S. Watson, 1876 |
| Hosackia disticha Greene, 1886 |
| 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 |