| Acanthomintha lanceolata | *A2 | 4 |
| Allenrolfea occidentalis | C | |
| Allium crispum | A1 | |
| Allium sharsmithiae | *A2 | 1B |
| Amsinckia vernicosa | A1 | |
| Arctostaphylos crustacea subsp. rosei | A1 | |
| Arctostaphylos glauca | C | |
| Asclepias californica | | |
| Astragalus asymmetricus | C | |
| Blepharizonia laxa | B | |
| Blepharizonia plumosa | *A2 | 1B |
| Calochortus clavatus var. pallidus | A1 | |
| Calochortus invenustus | A1x | |
| Calystegia malacophylla subsp. pedicellata | A2 | |
| Campanula exigua | *A2 | 1B |
| Ceanothus leucodermis | A2 | |
| Centromadia parryi subsp. congdonii | *A2 | 1B |
| Chaenactis glabriuscula var. megacephala | A1 | |
| Clarkia breweri | *A1 | 4 |
| Clarkia concinna subsp. automixa | *A2 | 4 |
| Clarkia tembloriensis subsp. tembloriensis | A1 | |
| Collinsia bartsiifolia var. stricta | A1? | |
| Cordylanthus rigidus subsp. rigidus | A1 | |
| Croton californicus | A2 | |
| Cryptantha juniperensis | A1 | |
| Cryptantha muricata var. unknown | A1? | |
| Delphinium californicum subsp. interius | *A2 | 1B |
| Delphinium gypsophilum | A1 | |
| Delphinium parryi subsp. parryi | A2 | |
| Descurainia pinnata subsp. brachycarpa | A1x | |
| Draba cuneifolia | A1 | |
| Dudleya cymosa subsp. paniculata | C | |
| Ephedra californica | A1? | |
| Ephedra viridis | A1? | |
| Eremothera boothii subsp. decorticans | A1 | |
| Eriastrum pluriflorum subsp. pluriflorum | A1 | |
| Ericameria nauseosa var. mohavensis | A2 | |
| Eriogonum angulosum | B | |
| Eriogonum covilleanum | A2 | |
| Eriogonum fasciculatum var. foliolosum | A1 | |
| Eriogonum fasciculatum var. polifolium | A2 | |
| Eriogonum inerme var. inerme | A1 | |
| Eriophyllum jepsonii | *A2 | 4 |
| Eryngium aristulatum var. hooveri | *A1 | 1B |
| Eryngium spinosepalum | *A1 | 1B |
| Eschscholzia rhombipetala | *A1 | 1B |
| Forestiera pubescens | B | |
| Fritillaria falcata | *A1 | 1B |
| Helianthus gracilentus | B | |
| Heterotheca oregona var. scaberrima | A1 | |
| Holocarpha macradenia | *A1 | 1B |
| Horkelia californica var. frondosa | B | |
| Keckiella breviflora var. breviflora | A2 | |
| Lasthenia microglossa | A2 | |
| Layia hieracioides | C | |
| Leptosiphon ambiguus | *A2 | 4 |
| Leptosyne calliopsidea | A1 | |
| Leptosyne hamiltonii | *A1 | 1B |
| Lessingia pectinata var. tenuipes | A2 | |
| Lessingia tenuis | *A2 | 4 |
| Madia radiata | *A1x | 1B |
| Malacothrix coulteri | A1 | |
| Meconella oregana | *A2 | 1B |
| Mentzelia affinis | B | |
| Mirabilis laevis var. crassifolia | A1 | |
| Monolopia gracilens | *A2 | 1B |
| Monolopia lanceolata | A1 | |
| Navarretia hamata subsp. parviloba | A1 | |
| Navarretia nigelliformis subsp. nigelliformis | *A2? | 4 |
| Navarretia nigelliformis subsp. radians | *A1 | 1B |
| Navarretia prostrata | *A1 | 1B |
| Oenothera deltoides subsp. cognata | A2 | |
| Osmorhiza brachypoda | C | |
| Packera breweri | C | |
| Papaver californicum | B | |
| Parietaria hespera var. californica | A1 | |
| Pediomelum californicum | A2 | |
| Perideridia californica | C | |
| Petunia parviflora | A1 | |
| Phacelia breweri | C | |
| Phacelia douglasii | A1 | |
| Phacelia phacelioides | *A2 | 1B |
| Pinus coulteri | B | |
| Plagiobothrys glaber | *A1 | 1A |
| Plagiobothrys trachycarpus | C | |
| Platanus racemosa | C | |
| Quercus palmeri | A2 | |
| Ribes aureum var. gracillimum | A2 | |
| Ribes quercetorum | A2 | |
| Sanicula saxatilis | *A2 | 1B |
| Scutellaria siphocampyloides | A1 | |
| Silene verecunda | A1 | |
| Streptanthus breweri | A1 | |
| Thysanocarpus laciniatus | B | |
| Tropidocarpum capparideum | *A1 | 1B |