| Abies amabilis | Pacific Silver Fir | Winter | Shasta Klamath |
| Abies bracteata | Santa Lucia Fir | Year Round | Santa Lucia |
| Abies grandis | Grand Fir | Year Round | Pacific Rain Forest |
| Acaena pinnatifida var. californica | California Acaena | Year Round | Franciscan |
| Acer circinatum | Vine Maple | Fall | Shasta Klamath |
| Acer macrophyllum | Big leaf Maple | Fall | Redwood |
| Actaea rubra | Baneberry | Summer | Canyon |
| Adiantum aleuticum | Five finger Fern | Summer | Redwood |
| Aesculus californica | California Buckeye | Spring | Franciscan |
| Agave shawii | Shaw Agave | Spring | Southern California Desert |
| Agoseris grandiflora var. grandiflora | Giant Mountain Dandelion | Summer | Channel Islands |
| Allium unifolium | Pink flowered Onion | Spring | Valley Foothill |
| Alnus rubra | Red Alder | Winter | Redwood |
| Anaphalis margaritacea | Pearly Everlasting | Fall | Franciscan |
| Apocynum cannabinum | Indian Hemp | Fall | Valley Foothill |
| Arabis blepharophylla | Coastal Rock Cress | Spring | Sea Bluff |
| Arbutus menziesii | Pacific Madrone | Spring | Santa Lucia |
| Arctostaphylos X 'Ron Clendenen' | Ron Clendenen Manzanita | Winter | Sea Bluff |
| Arctostaphylos andersonii | Santa Cruz Manzanita | Winter | Santa Lucia |
| Arctostaphylos auriculata | Mt. Diablo Manzanita | Year Round | Valley Foothill |
| Arctostaphylos catalinae | Catalina Island Manzanita | Fall | Channel Islands |
| Arctostaphylos edmundsii var. parvifolia | Bronzemat | Fall | Santa Lucia |
| Arctostaphylos gabilanensis | Gabilan Manzanita | Winter | Canyon |
| Arctostaphylos hookeri ssp. franciscana | Franciscan Manzanita | Year Round | Franciscan |
| Arctostaphylos hookeri ssp. hearstiorum | Hearst Manzanita | Year Round | Santa Lucia |
| Arctostaphylos imbricata | San Bruno Mountain Manzanita | Summer | Franciscan |
| Arctostaphylos montaraensis | Montara Manzanita | Winter | Franciscan |
| Arctostaphylos pacifica | Pacific Manzanita | Winter | Franciscan |
| Arctostaphylos pallida | Alameda Manzanita | Winter | Valley Foothill |
| Arctostaphylos rainbowensis | Rainbow Manzanita | Winter | Southern California Desert |
| Arctostaphylos rosei | Lake Merced Manzanita | Year Round | Franciscan |
| Arctostaphylos uva ursi ssp. marinensis | Lighthouse Manzanita | Year Round | Sea Bluff |
| Arctostaphylos uva ursi | Trailing sandberry | Winter | Redwood |
| Aristolochia californica | Dutchman's Pipe | Winter | Shasta Klamath |
| Armeria maritima var. californica | Sea pink | Spring | Santa Lucia |
| Artemisia californica | California Sagebrush | Summer | Sea Bluff |
| Artemisia suksdorfii | Coastal Mugwort | Spring | Redwood |
| Artemisia tridentata | Great Basin Sagebrush | Fall | Southern California Desert |
| Asarum caudatum | Wild Ginger | Fall | Pacific Rain Forest |
| Asarum hartwegii | Hartweg's Wild Ginger | Spring | Shasta Klamath |
| Asclepias speciosa | Showy Milkweed | Summer | Shasta Klamath |
| Baccharis pilularis ssp. Consanguinea | Coyote Brush | Summer | Sea Bluff |
| Berberis pinnata ssp. insularis | Island Barberry | Year Round | Channel Islands |
| Berberis pinnata | California Barberry | Winter | Valley Foothill |
| Blechnum spicant | Deer Fern | Year Round | Redwood |
| Calamagrostis nutkaensis | Pacific Reed Grass | Year Round | Franciscan |
| Callitropsis nootkatensis | Alaska Cedar | Year Round | Shasta Klamath |
| Calycanthus occidentalis | Spice Bush | Summer | Sierran |
| Carex praegracilis | Freeway sedge | Year Round | Sea Bluff |
| Castilleja affinis | Indian paintbrush | Spring | Channel Islands |
| Castilleja latifolia | Seaside Paintbrush | Fall | Sea Bluff |
| Ceanothus arboreus | Tree Ceanothus | Spring | Channel Islands |
| Ceanothus ferrisiae | Coyote Ceanothus | Spring | Canyon |
| Ceanothus gloriosus | Point Reyes Ceanothus | Summer | Sea Bluff |
| Ceanothus papillosus roweanus | Mt. Tranquillon Ceanothus | Spring | Santa Lucia |
| Ceanothus thyrsiflorus | Coast Blue blossom | Spring | Franciscan |
| Ceanothus velutinus | Tobacco Brush | Fall | Canyon |
| Cephalanthus occidentalis | Buttonwillow | Fall | Sierran |
| Cercis occidentalis | Western Redbud | Winter | Valley Foothill |
| Cercocarpus betuloides var. blancheae | Island Mountain mahogany | Fall | Channel Islands |
| Chamaebatia australis | Southern Mountain Misery | Fall | Southern California Desert |
| Chamaecyparis lawsoniana | Port Orford Cedar | Year Round | Shasta Klamath |
| Cheilanthes covillei | Coville's Lip Fern | Fall | Southern California Desert |
| Chilopsis linearis | Desert Willow | Summer | Southern California Desert |
| Chlorogalum pomeridianum | Soap Plant | Summer | Santa Lucia |
| Clarkia williamsonii | Foothill Clarkia | Summer | Sierran |
| Claytonia sibirica ssp. heterophylla | Candy Flower | Spring | Pacific Rain Forest |
| Clematis lasiantha | Virgin's Bower | Summer | Canyon |
| Clinopodium douglasii | Yerba Buena | Fall | Canyon |
| Clinopodium mimuloides | Monkey flower savory | Summer | Santa Lucia |
| Comarostaphylis diversifolia ssp. planifolia | Summer Holly | Spring | Channel Islands |
| Cornus sericea ssp. sericea | Western Dogwood | Summer | Sierran |
| Cornus sessilis | Black fruit Dogwood | Summer | Shasta Klamath |
| Corylus cornuta ssp. californica | Hazelnut | Fall | Franciscan |
| Cupressus guadalupensis | Guadalupe Cypress | Year Round | Canyon |
| Cylindropuntia munzii | Munz's Cholla | Winter | Southern California Desert |
| Darmera peltata | Indian Rhubarb | Spring | Sierran |
| Dendromecon harfordii | Island Bush Poppy | Spring | Channel Islands |
| Dicentra formosa | Bleeding Heart | Summer | Franciscan |
| Dichelostemma pulchellum | Blue Dicks | Spring | Franciscan |
| Diplacus fasciculatus | Santa Lucia Monkeyflower | Fall | Santa Lucia |
| Dirca occidentalis | Western Leatherwood | Winter | Valley Foothill |
| Dryopteris arguta | Coastal Wood ferns | Spring | Canyon |
| Dudleya caespitosa | Sea Lettuce | Winter | Sea Bluff |
| Dudleya farinosa | Powdery Dudleya | Year Round | Sea Bluff |
| Dudleya pulverulenta | Chalk Dudleya | Winter | Canyon |
| Ephedra californica | California Mormon Tea | Year Round | Southern California Desert |
| Epilobium angustifolium | Fireweed | Summer | Redwood |
| Epilobium canum | California Fuchsia | Fall | Channel Islands |
| Epipactis gigantea | Stream Orchid | Summer | Pacific Rain Forest |
| Erigeron glaucus | Seaside Daisy | Spring | Sea Bluff |
| Eriogonum arborescens | Santa Cruz Island Buckwheat | Summer | Channel Islands |
| Eriogonum nudum var. psychicola | Antioch Dunes buckwheat | Fall | Valley Foothill |
| Eriogonum parishii | Parish's Buckwheat | Fall | Sierran |
| Erythronium californicum | California Fawn Lily | Summer | Pacific Rain Forest |
| Erythronium helenae | Saint Helena Fawn lily | Spring | Valley Foothill |
| Erythronium multiscapideum | Sierra Fawn lily | Spring | Sierran |
| Erythronium revolutum | Coast Fawn Lily | Spring | Shasta Klamath |
| Eschscholzia californica var. maritima | California Poppy | Summer | Sea Bluff |
| Festuca californica | California Fescue | Year Round | Canyon |
| Festuca rubra var. 'Blauhaven' | Blauhaven Red Fescue | Winter | Sea Bluff |
| Festuca subuliflora | Coast Range Fescue | Fall | Pacific Rain Forest |
| Fragaria chiloensis | Beach Strawberry | Spring | Santa Lucia |
| Frangula californica | Hoary Coffeeberry | Fall | Redwood |
| Fremontodendron californicum 'Margo' | Margo's Fremontia | Spring | Sierran |
| Fritillaria affinis | Mission Bells | Summer | Franciscan |
| Garrya elliptica | Coast Silktassel | Winter | Santa Lucia |
| Garrya veatchii | Southern Silk tassel | Winter | Channel Islands |
| Gaultheria shallon | Salal | Fall | Sea Bluff |
| Goodyera oblongifolia | Rattlesnake Plantain | Summer | Pacific Rain Forest |
| Hesperocyparis abramsiana | Santa Cruz Cypress | Winter | Santa Lucia |
| Hesperocyparis goveniana ssp. goveniana | Gowen's Cypress | Year Round | Santa Lucia |
| Hesperocyparis nevadensis | Piute Cypress | Year Round | Sierran |
| Hesperocyparis sargentii | Sargent Cypress | Year Round | Valley Foothill |
| Heteromeles arbutifolia | Toyon | Summer | Valley Foothill |
| Heterotheca sessiliflora ssp. bolanderi | Bolander's Golden aster | Summer | Santa Lucia |
| Iris douglasiana | Douglas Iris | Spring | Redwood |
| Iris munzii | Munz's Iris | Spring | Sierran |
| Juglans hindsii | Northern California Black Walnut | Spring | Canyon |
| Juniperus californica | California Juniper | Year Round | Valley Foothill |
| Juniperus communis var. siberica | Dwarf Juniper | Year Round | Sea Bluff |
| Keckiella cordifolia | Heartleaf Penstemon | Summer | Canyon |
| Lilium columbianum | Columbia Lily | Summer | Pacific Rain Forest |
| Lilium humboldtii | Humboldt's Lily | Summer | Southern California Desert |
| Lilium pardalinum | Leopard Lily | Summer | Redwood |
| Limnanthes douglasii var. sulphurea | Yellow Meadow foam | Spring | Sea Bluff |
| Lonicera involucrata var. ledebourii | Coast Twinberry | Summer | Shasta Klamath |
| Lupinus arboreus | Coastal Bush Lupine | Spring | Sea Bluff |
| Lyonothamnus floribundus ssp. aspleniifolius | Santa Cruz Island Ironwood | Winter | Channel Islands |
| Lyonothamnus floribundus ssp. floribundus | Santa Catalina Ironwood | Year Round | Channel Islands |
| Lysichiton americanus | Yellow Skunk cabbage | Spring | Pacific Rain Forest |
| Mahonia nervosa | Long Leaf Barberry | Fall | Redwood |
| Mahonia nevinii | San Fernando Barberry | Spring | Southern California Desert |
| Malus fusca | Oregon Crab Apple | Year Round | Pacific Rain Forest |
| Mimulus cardinalis | Scarlet Monkeyflower | Summer | Canyon |
| Muhlenbergia rigens | Basket Grass | Fall | Sierran |
| Neviusia cliftonii | Shasta Snow Wreath | Spring | Shasta Klamath |
| Nolina interrata | Dehesa Nolina | Year Round | Southern California Desert |
| Oemleria cerasiformis | Oso Berry | Winter | Shasta Klamath |
| Oenothera deltoides var. howellii | Antioch Dunes Evening primrose | Summer | Valley Foothill |
| Opuntia littoralis | Salmon Flowered Prickly Pear | Fall | Southern California Desert |
| Opuntia oricola | San Ysidro Cactus | Winter | Channel Islands |
| Oxalis oregana | Redwood Sorrel | Fall | Pacific Rain Forest |
| Pellaea andromedifolia | Coffee Fern | Fall | Canyon |
| Petasites frigidus var. palmatus | Western Coltsfoot | Fall | Shasta Klamath |
| Philadelphus lewisii | Mock Orange | Summer | Sierran |
| Physocarpus capitatus | Ninebark | Fall | Valley Foothill |
| Picea breweriana | Brewer Spruce | Winter | Shasta Klamath |
| Picea engelmannii | Engelmann Spruce | Year Round | Shasta Klamath |
| Picea sitchensis | Sitka Spruce | Year Round | Pacific Rain Forest |
| Pinus contorta ssp. bolanderi | Beach Pine | Year Round | Redwood |
| Pinus longaeva | Western Bristlecone Pine | Year Round | Sierran |
| Pinus quadrifolia | Parry Pinyon Pine | Year Round | Canyon |
| Pinus torreyana | Torrey Pine | Winter | Channel Islands |
| Platanus racemosa | Western Sycamore | Winter | Santa Lucia |
| Polypodium californicum | California Polypody | Winter | Canyon |
| Polypodium glycyrrhiza | Licorice Fern | Winter | Pacific Rain Forest |
| Polystichum munitum | Western Sword Fern | Year Round | Redwood |
| Populus tremuloides | Quaking Aspen | Winter | Sierran |
| Prunus ilicifolia ssp. ilicifolia | Holly leafed Cherry | Fall | Franciscan |
| Prunus ilicifolia ssp. lyonii | Catalina Cherry | Summer | Channel Islands |
| Pseudotrillium rivale | Brook Trillium | Spring | Shasta Klamath |
| Pseudotsuga menziesii | Douglas Fir | Winter | Pacific Rain Forest |
| Quercus agrifoliaX | Coast Live Oak | Year Round | Canyon |
| Quercus chrysolepis | Canyon Live Oak | Year Round | Valley Foothill |
| Quercus garryana var. garryana | Garry Oak | Year Round | Shasta Klamath |
| Quercus kelloggii | Black Oak | Fall | Sierran |
| Quercus lobata | Valley Oak | Year Round | Santa Lucia |
| Quercus pacifica | Island Scrub Oak | Fall | Channel Islands |
| Quercus tomentella | Island Oak | Year Round | Channel Islands |
| Rhododendron macrophyllum | California Rose Bay | Spring | Pacific Rain Forest |
| Rhododendron occidentale | Western Azalea | Summer | Valley Foothill |
| Ribes glutinosum | Pink flowering Currant | Winter | Sea Bluff |
| Ribes malvaceum | Chaparral Currant | Winter | Franciscan |
| Ribes speciosum | Fuchsia flowered Gooseberry | Winter | Canyon |
| Romneya coulteri | Coulter's matilija poppy | Fall | Santa Lucia |
| Rosa pisocarpa | Cluster Rose | Summer | Shasta Klamath |
| Rubus parviflorus | Thimbleberry | Fall | Shasta Klamath |
| Rubus spectabilis | Salmon Berry | Summer | Redwood |
| Salix jepsonii | Jepson's Willow | Winter | Sierran |
| Salix prolixa | Mackenzie Willow | Winter | Sierran |
| Salvia apiana | White Sage | Year Round | Southern California Desert |
| Salvia chionopeplica | Baja Sage | Summer | Southern California Desert |
| Salvia leucophylla | Purple Sage | Summer | Santa Lucia |
| Salvia mellifera | Black Sage | Fall | Sea Bluff |
| Salvia sonomensis | Creeping Sage | Spring | Valley Foothill |
| Salvia spathacea | Hummingbird Sage | Spring | Southern California Desert |
| Sambucus racemosa | Red Elderberry | Spring | Redwood |
| Schoenoplectus acutus | Tule | Year Round | Sierran |
| Scoliopus bigelovii | Slinkpods | Winter | Redwood |
| Sequoia sempervirens | Coast Redwood | Year Round | Redwood |
| Sequoiadendron giganteum | Giant Sequoia | Year Round | Sierran |
| Solidago velutina ssp. californica | California Goldenrod | Summer | Channel Islands |
| Stipa diegoensis | Island Needlegrass | Year Round | Channel Islands |
| Stipa pulchra | Purple Needlegrass | Fall | Santa Lucia |
| Styrax officinalis | Snowdrop Bush | Spring | Southern California Desert |
| Symphoricarpos albus var. laevigatus | Common Snowberry | Fall | Franciscan |
| Symphyotrichum chilense | California Aster | Fall | Sea Bluff |
| Thalictrum fendleri var. polycarpum | Meadow Rue | Spring | Valley Foothill |
| Thuja plicata | Western Red cedar | Winter | Pacific Rain Forest |
| Torreya californica | California Nutmeg | Year Round | Pacific Rain Forest |
| Toxicodendron diversilobum | Poison Oak | Spring | Canyon |
| Trichostema lanatum | Woolly Blue Curls | Summer | Southern California Desert |
| Trientalis latifolia | Pacific Starflower | Spring | Franciscan |
| Trillium chloropetalum | Wake Robin | Winter | Franciscan |
| Trillium ovatum | Western Wake robin | Spring | Redwood |
| Tsuga heterophyllaY | Western Hemlock | Winter | Pacific Rain Forest |
| Tsuga mertensiana | Mountain Hemlock | Winter | Sierran |
| Umbellularia californica | California Bay Laurel | Fall | Canyon |
| Vaccinium cespitosum x V. ovatum | Dwarf Huckleberry | Summer | Franciscan |
| Vaccinium ovatum | Coast Huckleberry | Fall | Valley Foothill |
| Vancouveria hexandra | Northern Vancouveria | Fall | Shasta Klamath |
| Veratrum fimbriatum | Fringed False Hellebore | Fall | Pacific Rain Forest |
| Viola sempervirens | Redwood Violet | Spring | Pacific Rain Forest |
| Vitis californica | Wild Grape | Fall | Redwood |
| Washingtonia filifera | California Fan Palm | Winter | Southern California Desert |
| Woodwardia fimbriata | Giant Chain Fern | Winter | Redwood |
| Wyethia helenoides | Mule Ears | Summer | Valley Foothill |
| Yucca baccata | Fleshy fruited Yucca | Year Round | Southern California Desert |
| Yucca brevifolia | Jaeger's Joshua Tree | Winter | Southern California Desert |
