| Scientific Name | Common Name | Local Rank |
|---|---|---|
| Hesperolinon breweri | Brewer's western flax | *A2 |
| Hesperolinon californicum | California dwarf flax | C |
| Hesperolinon clevelandii | Cleveland's dwarf flax | A2 |
| Hesperolinon disjunctum | dwarf flax | A1 |
| Hesperolinon micranthum | small-flowered dwarf flax | A2 |
| Hesperolinon tehamense | Napa western flax | *A1? |
| Linum lewisii var. lewisii | western blue flax | A1x |