| Aphyllon californicum subsp. jepsonii | Jepson broom-rape | A1 |
| Aphyllon epigalium subsp. epigalium | | A1 |
| Aphyllon pinorum | pine broom-rape | A1 |
| Aphyllon purpureum | naked broomrape | C |
| Aphyllon tuberosum | bulbous broom-rape | C |
| Aphyllon vallicola | California broom-rape | B |
| Castilleja ambigua subsp. ambigua | Johnny-nip | *A2 |
| Castilleja applegatei subsp. martinii | wavy-leaved indian paintbrush | A2 |
| Castilleja exserta subsp. latifolia | owl's-clover | A1 |
| Castilleja rubicundula subsp. lithospermoides | cream sacs | B |
| Castilleja subinclusa subsp. franciscana | Franciscan indian paintbrush | A1 |
| Castilleja subinclusa subsp. subinclusa | long-leaved indian paintbrush | A1 |
| Castilleja wightii | Wight's indian paintbrush | B |
| Chloropyron maritimum subsp. palustre | Point Reyes salty bird's-beak | *A1x |
| Chloropyron molle subsp. hispidum | hispid salty bird's-beak, hispid bird's-beak | *A1 |
| Chloropyron molle subsp. molle | soft salty bird's-beak, soft bird's-beak | *A2 |
| Chloropyron palmatum | palmate salty bird's-beak, palmate-bracted bird's-beak | *A1 |
| Cordylanthus nidularius | Mount Diablo bird's-beak | *A1 |
| Cordylanthus pilosus subsp. pilosus | hairy bird's-beak | B |
| Cordylanthus rigidus subsp. rigidus | stiffly-branched bird's-beak | A1 |
| Kopsiopsis strobilacea | California ground-cone | A1 |
| Triphysaria versicolor subsp. faucibarbata | smooth owl's-clover | B |