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| Scientific Name | Common Name | Family | Lifeform |
Photo and Plant Page (click for plant page)
|
| Acanthomintha duttonii | San Mateo thorn-mint | Lamiaceae | annual herb |  |
| Acanthomintha lanceolata | Santa Clara thorn-mint | Lamiaceae | annual herb | |
| Agrostis blasdalei | Blasdale's bent grass | Poaceae | perennial rhizomatous herb |  |
| Allium peninsulare var. franciscanum | Franciscan onion | Alliaceae | perennial bulbiferous herb |  |
| Allium sharsmithiae | Sharsmith's onion | Alliaceae | perennial bulbiferous herb | |
| Amsinckia lunaris | bent-flowered fiddleneck | Boraginaceae | annual herb |  |
| Androsace elongata ssp. acuta | California androsace | Primulaceae | annual herb | |
| Arabis blepharophylla | coast rockcress | Brassicaceae | perennial herb | |
| Arctostaphylos andersonii | Anderson's manzanita | Ericaceae | perennial evergreen shrub |  |
| Arctostaphylos imbricata | San Bruno Mountain manzanita | Ericaceae | perennial evergreen shrub |  |
| Arctostaphylos montaraensis | Montara manzanita | Ericaceae | perennial evergreen shrub |  |
| Arctostaphylos pacifica | Pacific manzanita | Ericaceae | evergreen shrub |  |
| Arctostaphylos regismontana | Kings Mountain manzanita | Ericaceae | perennial evergreen shrub |  |
| Astragalus nuttallii var. nuttallii | ocean bluff milk-vetch | Fabaceae | perennial herb | |
| Astragalus pycnostachyus var. pycnostachyus | coastal marsh milk-vetch | Fabaceae | perennial herb |  |
| Astragalus tener var. tener | alkali milk-vetch | Fabaceae | annual herb |  |
| Atriplex joaquinana | San Joaquin spearscale | Chenopodiaceae | annual herb |  |
| Azolla microphylla | Mexican mosquito fern | Azollaceae | annual / perennial herb | |
| Balsamorhiza macrolepis | big-scale balsamroot | Asteraceae | perennial herb |  |
| Boechera rubicundula | Mount Day rockcress | Brassicaceae | perennial herb | |
| Calandrinia breweri | Brewer's calandrinia | Montiaceae | annual herb | |
| California macrophylla | round-leaved filaree | Geraniaceae | annual herb |  |
| Calochortus umbellatus | Oakland star-tulip | Liliaceae | perennial bulbiferous herb | |
| Calochortus uniflorus | pink star-tulip | Liliaceae | perennial bulbiferous herb | |
| Calyptridium parryi var. hesseae | Santa Cruz Mountains pussypaws | Montiaceae | annual herb | |
| Calystegia collina ssp. venusta | South Coast Range morning-glory | Convolvulaceae | perennial rhizomatous herb | |
| Campanula exigua | chaparral harebell | Campanulaceae | annual herb |  |
| Campanula sharsmithiae | Sharsmith's harebell | Campanulaceae | annual herb |  |
| Castilleja affinis var. neglecta | Tiburon paintbrush | Orobanchaceae | perennial herb (hemiparasitic) |  |
| Castilleja ambigua var. ambigua | johnny-nip | Orobanchaceae | annual herb (hemiparasitic) | |
| Castilleja rubicundula var. rubicundula | pink creamsacs | Orobanchaceae | annual herb (hemiparasitic) |  |
| Ceanothus ferrisiae | Coyote ceanothus | Rhamnaceae | perennial evergreen shrub |  |
| Centromadia parryi ssp. congdonii | Congdon's tarplant | Asteraceae | annual herb |  |
| Centromadia parryi ssp. parryi | pappose tarplant | Asteraceae | annual herb |  |
| Chloropyron maritimum ssp. palustre | Point Reyes bird's-beak | Orobanchaceae | annual herb (hemiparasitic) |  |
| Chorizanthe cuspidata var. cuspidata | San Francisco Bay spineflower | Polygonaceae | annual herb |  |
| Chorizanthe robusta var. robusta | robust spineflower | Polygonaceae | annual herb |  |
| Cirsium andrewsii | Franciscan thistle | Asteraceae | perennial herb | |
| Cirsium fontinale var. campylon | Mt. Hamilton fountain thistle | Asteraceae | perennial herb |  |
| Cirsium fontinale var. fontinale | Crystal Springs fountain thistle | Asteraceae | perennial herb |  |
| Cirsium praeteriens | lost thistle | Asteraceae | perennial herb | |
| Clarkia breweri | Brewer's clarkia | Onagraceae | annual herb | |
| Clarkia concinna ssp. automixa | Santa Clara red ribbons | Onagraceae | annual herb | |
| Collinsia multicolor | San Francisco collinsia | Plantaginaceae | annual herb | |
| Corethrogyne leucophylla | branching beach aster | Asteraceae | perennial herb | |
| Cypripedium fasciculatum | clustered lady's-slipper | Orchidaceae | perennial rhizomatous herb | |
| Cypripedium montanum | mountain lady's-slipper | Orchidaceae | perennial rhizomatous herb | |
| Delphinium californicum ssp. interius | Hospital Canyon larkspur | Ranunculaceae | perennial herb | |
| Dirca occidentalis | western leatherwood | Thymelaeaceae | perennial deciduous shrub | |
| Dudleya abramsii ssp. setchellii | Santa Clara Valley dudleya | Crassulaceae | perennial herb |  |
| Elymus californicus | California bottle-brush grass | Poaceae | perennial herb | |
| Equisetum palustre | marsh horsetail | Equisetaceae | perennial rhizomatous herb | |
| Eriastrum tracyi | Tracy's eriastrum | Polemoniaceae | annual herb | |
| Eriogonum argillosum | clay buckwheat | Polygonaceae | annual herb | |
| Eriogonum nudum var. decurrens | Ben Lomond buckwheat | Polygonaceae | perennial herb |  |
| Eriogonum umbellatum var. bahiiforme | bay buckwheat | Polygonaceae | perennial herb | |
| Eriophyllum jepsonii | Jepson's woolly sunflower | Asteraceae | perennial herb | |
| Eriophyllum latilobum | San Mateo woolly sunflower | Asteraceae | perennial herb |  |
| Eryngium aristulatum var. hooveri | Hoover's button-celery | Apiaceae | annual / perennial herb |  |
| Erysimum ammophilum | sand-loving wallflower | Brassicaceae | perennial herb | |
| Erysimum franciscanum | San Francisco wallflower | Brassicaceae | perennial herb | |
| Fissidens pauperculus | minute pocket moss | Fissidentaceae | moss | |
| Fritillaria agrestis | stinkbells | Liliaceae | perennial bulbiferous herb | |
| Fritillaria biflora var. ineziana | Hillsborough chocolate lily | Liliaceae | perennial bulbiferous herb |  |
| Fritillaria falcata | talus fritillary | Liliaceae | perennial bulbiferous herb | |
| Fritillaria lanceolata var. tristulis | Marin checker lily | Liliaceae | perennial bulbiferous herb | |
| Fritillaria liliacea | fragrant fritillary | Liliaceae | perennial bulbiferous herb | |
| Galium andrewsii ssp. gatense | phlox-leaf serpentine bedstraw | Rubiaceae | perennial herb | |
| Grimmia torenii | Toren's grimmia | Grimmiaceae | moss | |
| Grindelia hirsutula var. maritima | San Francisco gumplant | Asteraceae | perennial herb | |
| Helianthella castanea | Diablo helianthella | Asteraceae | perennial herb | |
| Helianthus exilis | serpentine sunflower | Asteraceae | annual herb | |
| Hemizonia congesta ssp. congesta | white seaside tarplant | Asteraceae | annual herb | |
| Hesperevax sparsiflora var. brevifolia | short-leaved evax | Asteraceae | annual herb | |
| Hesperocyparis abramsiana var. butanoensis | Butano Ridge cypress | Cupressaceae | perennial evergreen tree | |
| Hesperolinon congestum | Marin western flax | Linaceae | annual herb |  |
| Heteranthera dubia | water star-grass | Pontederiaceae | perennial herb | |
| Hoita strobilina | Loma Prieta hoita | Fabaceae | perennial herb |  |
| Hordeum intercedens | vernal barley | Poaceae | annual herb | |
| Horkelia cuneata var. sericea | Kellogg's horkelia | Rosaceae | perennial herb |  |
| Horkelia marinensis | Point Reyes horkelia | Rosaceae | perennial herb | |
| Hosackia gracilis | harlequin lotus | Fabaceae | perennial rhizomatous herb | |
| Iris longipetala | coast iris | Iridaceae | perennial rhizomatous herb | |
| Isocoma menziesii var. diabolica | Satan's goldenbush | Asteraceae | perennial shrub | |
| Lasthenia californica ssp. macrantha | perennial goldfields | Asteraceae | perennial herb |  |
| Lasthenia conjugens | Contra Costa goldfields | Asteraceae | annual herb |  |
| Legenere limosa | legenere | Campanulaceae | annual herb |  |
| Leptosiphon acicularis | bristly leptosiphon | Polemoniaceae | annual herb | |
| Leptosiphon ambiguus | serpentine leptosiphon | Polemoniaceae | annual herb | |
| Leptosiphon croceus | coast yellow leptosiphon | Polemoniaceae | annual herb |  |
| Leptosiphon grandiflorus | large-flowered leptosiphon | Polemoniaceae | annual herb | |
| Leptosiphon rosaceus | rose leptosiphon | Polemoniaceae | annual herb |  |
| Leptosyne hamiltonii | Mt. Hamilton coreopsis | Asteraceae | annual herb |  |
| Lessingia arachnoidea | Crystal Springs lessingia | Asteraceae | annual herb |  |
| Lessingia germanorum | San Francisco lessingia | Asteraceae | annual herb | |
| Lessingia hololeuca | woolly-headed lessingia | Asteraceae | annual herb |  |
| Lessingia micradenia var. glabrata | smooth lessingia | Asteraceae | annual herb |  |
| Lessingia tenuis | spring lessingia | Asteraceae | annual herb | |
| Lilium maritimum | coast lily | Liliaceae | perennial bulbiferous herb |  |
| Limnanthes douglasii ssp. ornduffii | Ornduff's meadofoam | Limnanthaceae | annual herb | |
| Limnanthes douglasii ssp. sulphurea | Point Reyes meadowfoam | Limnanthaceae | annual herb | |
| Lomatium observatorium | Mt. Hamilton lomatium | Apiaceae | perennial herb |  |
| Lupinus arboreus var. eximius | San Mateo tree lupine | Fabaceae | perennial evergreen shrub | |
| Madia radiata | showy golden madia | Asteraceae | annual herb |  |
| Malacothamnus aboriginum | Indian Valley bush-mallow | Malvaceae | perennial deciduous shrub |  |
| Malacothamnus arcuatus | arcuate bush-mallow | Malvaceae | perennial evergreen shrub |  |
| Malacothamnus davidsonii | Davidson's bush-mallow | Malvaceae | perennial deciduous shrub |  |
| Malacothamnus hallii | Hall's bush-mallow | Malvaceae | perennial evergreen shrub |  |
| Malacothrix phaeocarpa | dusky-fruited malacothrix | Asteraceae | annual herb | |
| Meconella oregana | Oregon meconella | Papaveraceae | annual herb |  |
| Micropus amphibolus | Mt. Diablo cottonweed | Asteraceae | annual herb | |
| Microseris paludosa | marsh microseris | Asteraceae | perennial herb |  |
| Microseris sylvatica | sylvan microseris | Asteraceae | perennial herb | |
| Monardella antonina ssp. antonina | San Antonio Hills monardella | Lamiaceae | perennial rhizomatous herb | |
| Monolopia gracilens | woodland woolythreads | Asteraceae | annual herb |  |
| Navarretia cotulifolia | cotula navarretia | Polemoniaceae | annual herb | |
| Navarretia prostrata | prostrate vernal pool navarretia | Polemoniaceae | annual herb |  |
| Orthotrichum kellmanii | Kellman's bristle moss | Orthotrichaceae | moss | |
| Pedicularis dudleyi | Dudley's lousewort | Orobanchaceae | perennial herb |  |
| Penstemon rattanii var. kleei | Santa Cruz Mountains beardtongue | Plantaginaceae | perennial herb |  |
| Pentachaeta bellidiflora | white-rayed pentachaeta | Asteraceae | annual herb |  |
| Pentachaeta exilis ssp. aeolica | San Benito pentachaeta | Asteraceae | annual herb |  |
| Perideridia gairdneri ssp. gairdneri | Gairdner's yampah | Apiaceae | perennial herb | |
| Phacelia phacelioides | Mt. Diablo phacelia | Boraginaceae | annual herb |  |
| Pinus radiata | Monterey pine | Pinaceae | perennial evergreen tree |  |
| Piperia candida | white-flowered rein orchid | Orchidaceae | perennial herb |  |
| Piperia leptopetala | narrow-petaled rein orchid | Orchidaceae | perennial herb |  |
| Piperia michaelii | Michael's rein orchid | Orchidaceae | perennial herb |  |
| Plagiobothrys chorisianus var. chorisianus | Choris' popcorn-flower | Boraginaceae | annual herb |  |
| Plagiobothrys chorisianus var. hickmanii | Hickman's popcorn-flower | Boraginaceae | annual herb |  |
| Plagiobothrys diffusus | San Francisco popcorn-flower | Boraginaceae | annual herb |  |
| Plagiobothrys glaber | hairless popcorn-flower | Boraginaceae | annual herb |  |
| Plagiobothrys uncinatus | hooked popcorn-flower | Boraginaceae | annual herb |  |
| Plagiobothrys verrucosus | warty popcorn-flower | Boraginaceae | annual herb | |
| Polemonium carneum | Oregon polemonium | Polemoniaceae | perennial herb | |
| Potentilla hickmanii | Hickman's cinquefoil | Rosaceae | perennial herb |  |
| Psilocarphus brevissimus var. multiflorus | Delta woolly-marbles | Asteraceae | annual herb | |
| Ranunculus lobbii | Lobb's aquatic buttercup | Ranunculaceae | annual herb | |
| Sanicula hoffmannii | Hoffmann's sanicle | Apiaceae | perennial herb | |
| Sanicula saxatilis | rock sanicle | Apiaceae | perennial herb |  |
| Senecio aphanactis | chaparral ragwort | Asteraceae | annual herb | |
| Sidalcea malachroides | maple-leaved checkerbloom | Malvaceae | perennial herb | |
| Silene verecunda ssp. verecunda | San Francisco campion | Caryophyllaceae | perennial herb |  |
| Stebbinsoseris decipiens | Santa Cruz microseris | Asteraceae | annual herb |  |
| Streptanthus albidus ssp. albidus | Metcalf Canyon jewel-flower | Brassicaceae | annual herb |  |
| Streptanthus albidus ssp. peramoenus | most beautiful jewel-flower | Brassicaceae | annual herb |  |
| Streptanthus callistus | Mt. Hamilton jewel-flower | Brassicaceae | annual herb |  |
| Stuckenia filiformis ssp. alpina | slender-leaved pondweed | Potamogetonaceae | perennial rhizomatous herb | |
| Suaeda californica | California seablite | Chenopodiaceae | perennial evergreen shrub |  |
| Toxicoscordion fontanum | marsh zigadenus | Melanthiaceae | perennial bulbiferous herb | |
| Trifolium amoenum | two-fork clover | Fabaceae | annual herb |  |
| Trifolium hydrophilum | saline clover | Fabaceae | annual herb |  |
| Triphysaria floribunda | San Francisco owl's-clover | Orobanchaceae | annual herb |  |
| Triquetrella californica | coastal triquetrella | Pottiaceae | moss | |
| Tropidocarpum capparideum | caper-fruited tropidocarpum | Brassicaceae | annual herb |  |
| Usnea longissima | Methuselah's beard lichen | Parmeliaceae | fruticose lichen (epiphytic) |
