| Linaceae | |
Hesperolinon adenophyllum
| (A. Gray) Small | N. Amer. Fl. 25(1): 85 | 1907 |
| Linaceae | |
Hesperolinon bicarpellatum
| (H. Sharsm.) H. Sharsm. | Univ. Calif. Publ. Bot. 32(4): 297 | 1961 |
| Linaceae | |
Hesperolinon breweri
| (A. Gray) Small | N. Amer. Fl. 25(1): 85 | 1907 |
| Linaceae | |
Hesperolinon californicum
| (Benth.) Small | N. Amer. Fl. 25(1): 86 | 1907 |
| Linaceae | |
Hesperolinon clevelandii
| (Greene) Small | N. Amer. Fl. 25(1): 85 | 1907 |
| Linaceae | |
Hesperolinon confertum
| (A. Gray ex Trel.) Small | N. Amer. Fl. 25(1): 86 | 1907 |
| Linaceae | |
Hesperolinon congestum
| (A. Gray) Small | N. Amer. Fl. 25(1): 86 | 1907 |
| Linaceae | |
Hesperolinon didymocarpum
| H. Sharsm. | Univ. Calif. Publ. Bot. 32(4): 302–303, f. 11h, 15a, 17a, 18b, 20 | 1961 |
| Linaceae | |
Hesperolinon disjunctum
| H. Sharsm. | Univ. Calif. Publ. Bot. 32(4): 300–302, f. 1c, 3, 5i–l, 10e–f, 15c–e, 20 | 1961 |
| Linaceae | |
Hesperolinon drymarioides
| (Curran) Small | N. Amer. Fl. 25(1): 84 | 1907 |
| Linaceae | |
Hesperolinon micranthum
| (A. Gray) Small | N. Amer. Fl. 25(1): 85 | 1907 |
| Linaceae | |
Hesperolinon serpentinum
| McCarten | | |
| Linaceae | |
Hesperolinon sharsmithiae
| R. O'Donnell | Madroño 53(4): 404–408, f. 1 [map], 2, 3A | 2006 [2007] |
| Linaceae | |
Hesperolinon spergulinum
| (A. Gray) Small | N. Amer. Fl. 25(1): 86 | 1907 |
| Linaceae | |
Hesperolinon tehamense
| H. Sharsm. | Univ. Calif. Publ. Bot. 32(4): 298–299, f. 4f, 5w, 10g, 14f, 20 | 1961 |