| Acaena californica | CBR | |
| Acmispon strigosus | B-PV | |
| Adiantum aleuticum | A1 | |
| Agoseris heterophylla var. cryptopleura | C | |
| Agoseris heterophylla var. heterophylla | CBR | |
| Agoseris heterophylla var. unknown | C? | |
| Allium amplectens | A2 | |
| Allium bolanderi var. bolanderi | A2 | |
| Allium crispum | A1 | |
| Allophyllum divaricatum | B-PV | |
| Allophyllum gilioides subsp. gilioides | A2 | |
| Allophyllum gilioides subsp. violaceum | B-PV | |
| Alopecurus saccatus | B | |
| Amelanchier utahensis | C | |
| Amsinckia eastwoodiae | A1 | |
| Amsinckia lycopsoides | CBR | |
| Androsace elongata subsp. acuta | *A2 | 4 |
| Anisocarpus madioides | C | |
| Antirrhinum thompsonii | A1 | |
| Antirrhinum vexillocalyculatum subsp. vexillocalyculatum | CBR | |
| Aphyllon californicum subsp. jepsonii | A1 | |
| Aphyllon epigalium subsp. epigalium | A2 | |
| Aphyllon pinorum | A1 | |
| Aphyllon purpureum | CBR | |
| Aphyllon tuberosum | B-PV | |
| Aphyllon vallicola | B | |
| Apiastrum angustifolium | CBR | |
| Apocynum androsaemifolium | A2 | |
| Aquilegia formosa | CBR | |
| Aralia californica | CBR | |
| Aristolochia californica | CBR | |
| Arnica discoidea | B-PV | |
| Artemisia dracunculus | A2 | |
| Asclepias californica | CBR | |
| Aspidotis californica | A2 | |
| Astragalus asymmetricus | CBR | |
| Atriplex lentiformis | CBR | |
| Balsamorhiza deltoidea | B-PV | |
| Berberis aquifolium var. dictyota | A1 | |
| Berberis nervosa | A1 | |
| Berberis pinnata subsp. pinnata | CBR | |
| Blepharizonia laxa | B | |
| Boechera breweri subsp. breweri | B-PV | |
| Brickellia californica | CBR | |
| Brodiaea terrestris subsp. terrestris | C | |
| Calamagrostis koelerioides | A1? | |
| Calamagrostis rubescens | B | |
| Calandrinia breweri | *A2 | 4 |
| California macrophylla | B-PV | |
| Calochortus splendens | B-PV | |
| Calochortus venustus | CBR | |
| Calycadenia truncata | CBR | |
| Calystegia sepium subsp. limnophila | B-PV | |
| Camissoniopsis intermedia | B-PV | |
| Castilleja subinclusa subsp. franciscana | A1 | |
| Castilleja wightii | B | |
| Ceanothus thyrsiflorus var. thyrsiflorus | B | |
| Cephalanthus occidentalis | A2 | |
| Cercis occidentalis | A1x | |
| Cercocarpus betuloides var. betuloides | CBR | |
| Chrysolepis chrysophylla var. minor | A2 | |
| Cicendia quadrangularis | B | |
| Cirsium brevistylum | B | |
| Cirsium cymosum var. cymosum | B-PV | |
| Cirsium occidentale var. californicum | A2 | |
| Cirsium occidentale var. coulteri | A1x | |
| Cirsium quercetorum | A2 | |
| Clarkia biloba subsp. biloba | A2 | |
| Clarkia modesta | B-PV | |
| Collinsia sparsiflora var. sparsiflora | C | |
| Collinsia sparsiflora var. unknown | C? | |
| Collomia heterophylla | A1 | |
| Corallorhiza maculata var. maculata | A2 | |
| Corallorhiza striata | A1x | |
| Cornus sericea subsp. occidentalis | A2 | |
| Cornus sericea subsp. sericea | C | |
| Crocanthemum scoparium var. vulgare | C | |
| Cryptantha clevelandii var. florosa | A2 | |
| Cryptantha microstachys | B | |
| Cryptantha torreyana var. pumila | B | |
| Danthonia californica | B-PV | |
| Delphinium californicum subsp. californicum | B | |
| Delphinium decorum subsp. decorum | CBR | |
| Delphinium hesperium subsp. pallescens | CBR | |
| Delphinium nudicaule | CBR | |
| Deschampsia bolanderi | B | |
| Deschampsia cespitosa subsp. cespitosa | B-PV | |
| Deschampsia cespitosa subsp. holciformis | B | |
| Diplacus rattanii | A2 | |
| Dudleya cymosa subsp. cymosa | A1 | |
| Eleocharis acicularis var. acicularis | B | |
| Elymus elymoides var. elymoides | B | |
| Elymus multisetus | B-PV | |
| Elymus trachycaulus subsp. trachycaulus | A1 | |
| Epilobium campestre | B | |
| Epilobium ciliatum subsp. watsonii | A1 | |
| Eriastrum abramsii | A2 | |
| Ericameria arborescens | B-PV | |
| Ericameria nauseosa var. mohavensis | B-PV | |
| Erigeron petrophilus var. petrophilus | B | |
| Eriophyllum lanatum var. achilleoides | CBR | |
| Erysimum capitatum var. capitatum | CBR | |
| Erythranthe cardinalis | CBR | |
| Eschscholzia caespitosa | A1 | |
| Eucrypta chrysanthemifolia var. chrysanthemifolia | CBR | |
| Festuca californica | B-PV | |
| Festuca idahoensis | B-PV | |
| Fraxinus dipetala | B | |
| Garrya elliptica | B-PV | |
| Gilia achilleifolia subsp. achilleifolia | CBR | |
| Gilia clivorum | CBR | |
| Githopsis diffusa subsp. robusta | A2 | |
| Githopsis specularioides | CBR | |
| Grindelia hirsutula | CBR | |
| Gutierrezia californica | CBR | |
| Helenium bigelovii | A2 | |
| Helianthella castanea | *A2 | 1B |
| Helianthus californicus | B-PV | |
| Heterotheca sessiliflora subsp. bolanderi | B-PV | |
| Hieracium albiflorum | B-PV | |
| Hoita macrostachya | CBR | |
| Hordeum brachyantherum subsp. californicum | A1 | |
| Horkelia californica var. elata | A2 | |
| Horkelia californica var. frondosa | B-PV | |
| Hornungia procumbens | CBR | |
| Hydrophyllum occidentale | A1 | |
| Iris longipetala | *A1 | 4 |
| Juncus phaeocephalus var. paniculatus | B | |
| Juncus phaeocephalus var. phaeocephalus | B-PV | |
| Keckiella corymbosa | B-PV | |
| Koeleria macrantha | B-PV | |
| Kopsiopsis strobilacea | A1 | |
| Lathyrus jepsonii var. californicus | B | |
| Layia chrysanthemoides | B | |
| Lepidium latipes | B-PV | |
| Lepidium oxycarpum | A2 | |
| Lilium pardalinum subsp. pardalinum | A1 | |
| Limonium californicum | B-PV | |
| Linanthus dichotomus subsp. meridianus | A1 | |
| Lithophragma parviflorum var. parviflorum | B-PV | |
| Lomatium californicum | CBR | |
| Lomatium caruifolium var. caruifolium | B-PV | |
| Lonicera involucrata var. ledebourii | CBR | |
| Lonicera subspicata var. denudata | CBR | |
| Lycopus americanus | B | |
| Madia exigua | CBR | |
| Malacothamnus fremontii var. fremontii | CBR | |
| Marah oregana | B-PV | |
| Melica californica | B-PV | |
| Mimetanthe pilosa | B | |
| Moehringia macrophylla | A2 | |
| Monardella douglasii | B-PV | |
| Montia fontana | B-PV | |
| Morella californica | B | |
| Muilla maritima | B-PV | |
| Myriopteris covillei | B-PV | |
| Myriopteris intertexta | B-PV | |
| Navarretia gowenii | *A2 | 1B |
| Navarretia mellita | CBR | |
| Navarretia pubescens | CBR | |
| Navarretia viscidula | A2 | |
| Nemophila parviflora var. parviflora | B | |
| Nuttallanthus texanus | B | |
| Oenothera elata subsp. hookeri | B-PV | |
| Oxalis smalliana | A1 | |
| Packera breweri | CBR | |
| Papaver californicum | B | |
| Pediomelum californicum | B | |
| Pellaea mucronata var. mucronata | CBR | |
| Penstemon centranthifolius | B | |
| Phoradendron leucarpum subsp. macrophyllum | CBR | |
| Pickeringia montana var. montana | B-PV | |
| Plantago subnuda | A2 | |
| Platanthera elegans subsp. elegans | B | |
| Platanthera elongata | B-PV | |
| Pluchea odorata var. odorata | B-PV | |
| Populus trichocarpa | C | |
| Potentilla anserina subsp. pacifica | A2 | |
| Primula clevelandii var. patula | CBR | |
| Prosartes smithii | A1x | |
| Prunus emarginata | C | |
| Prunus ilicifolia subsp. ilicifolia | B | |
| Prunus subcordata | C | |
| Pseudognaphalium beneolens | CBR | |
| Ptelea crenulata | CBR | |
| Quercus berberidifolia | B-PV | |
| Quercus garryana var. garryana | B | |
| Quercus palmeri | A2 | |
| Quercus parvula var. shrevei | A1 | |
| Ravenella exigua | *A2 | 1B |
| Rhamnus crocea | B-PV | |
| Ribes aureum var. gracillimum | A2 | |
| Ribes malvaceum var. malvaceum | CBR | |
| Rosa spithamea | CBR | |
| Salix gooddingii | B | |
| Salix scouleriana | A2 | |
| Salvia carduacea | A1x | |
| Sambucus racemosa var. racemosa | B | |
| Sanicula arctopoides | A1x | |
| Sanicula laciniata | B | |
| Scutellaria californica | B | |
| Scutellaria tuberosa | CBR | |
| Senecio aronicoides | CBR | |
| Senecio flaccidus var. douglasii | B-PV | |
| Sidalcea malviflora subsp. laciniata | CBR | |
| Silene laciniata subsp. californica | C | |
| Stachys ajugoides | A2 | |
| Stachys pycnantha | CBR | |
| Stellaria nitens | CBR | |
| Stephanomeria elata | A1 | |
| Stephanomeria virgata subsp. pleurocarpa | CBR | |
| Stipa cernua | B-PV | |
| Stipa lepida | B-PV | |
| Streptanthus glandulosus subsp. glandulosus | B-PV | |
| Symphyotrichum lentum | *A2 | 1B |
| Tauschia hartwegii | CBR | |
| Tetrapteron graciliflorum | B-PV | |
| Tonella tenella | B-PV | |
| Trifolium grayi | A2 | |
| Triglochin maritima | CBR | |
| Triodanis biflora | A2 | |
| Trisetum canescens | A2 | |
| Tropidocarpum gracile | B-PV | |
| Turritis glabra | B | |
| Viola sheltonii | A2 | |
| Wyethia glabra | CBR | |