tragus (S. australis, iberica, kali) russian thistle, tumbleweed

Convolvulaceae (morning-glory family)
Calystegia (Convolvulus) bindweed, morning-glory

macrostegia ssp. arida

macrostegia ssp. cyclostegia

macrostegia ssp. intermedia (C. m. ssp. longiloba)

Crassulaceae (stonecrop family)
Crassula

connata (Tillaea erecta, C. e.) pigmy stonecrop
Dudleya live-forever

lanceolata lance-leaved/coastal live-forever

multicaulis many-stemmed live-forever

pulverulenta chalk dudleya/lettuce/live-forever

Cucurbitacea (gourd family)
Marah wild cucumber, big-root, man-root

macrocarpus

Cuscutaceae (split from Convolvulaceae) (dodder family)
Cuscuta dodder, witch's hair

californica California witch's hair

subinclusa canyon dodder

Cyperaceae (sedge family)
Carex sedge

praegracilis cluster field-sedge

triquetra triangle-fruit sedge
Cyperus

eragrostis umbrella-sedge
Eleocharis spike-rush/sedge

macrostachya wire grass, creeping spike rush
Scirpus

microcarpus panicled/small-fruited bullrush

Datiscaceae (datisca family)
Datisca

glomerata Durango root

Euphorbiaceae (spurge family)
Chamaesyce (Euphorbia) prostrate spurge

maculata (E. or C. supina) spotted spurge

polycarpa (no vars) (E. p. var. p.) mexican sandmat, mat-spruge, golondrina
Croton croton

californicus (no vars) California croton
Eremocarpus

setigerus turkey mullein, doveweed
Euphorbia (many are now Chamaesyce) spurge

peplus pretty spurge
Ricinus castor-bean

communis

Fabaceae (Leguminosae) (pea family)
Amorpha false indigo

californica
Astragalus milkvetch, rattleweed, locoweed

gambelianus dwarf locoweed
Hoita

macrostachya (Psoralea m.) leather root
Lathyrus wild pea

vestitus (L. laetiflorus) chaparral sweet pea
Lotus bird's-foot trefoil

hamatus San Diego lotus

heermannii silky/wooly lotus

micranthus miniature lotus

purshianus var. purshianus spanish lotus/clover

scoparius var. scoparius deer weed, California broom

strigosus (no vars) (L. tomentellus) hairy lotus

wrangelianus (L. subpinnatus) calf/short-winged lotus
Lupinus lupine

agard(h)ianus (not in Jepson)

albifrons var. albifrons (L. a. var. eminens) silver bush-lupine

bicolor (no vars) dove/miniature lupine

excubitus var. hallii grape-soda/Adonis lupine

hirsutissimus stinging lupine

longifolius bush lupine

microcarpus var. densiflorus (L. d.) sunset/chick lupine

sparsiflorus (no vars) coulter's lupine

truncatus blunt-leaf/collar lupine
Medicago

polymorpha bur-clover
Melilotus sweetclover

indica (M. indicus) yellow sweetclover
Pickeringia chaparral-pea

montana
Trifolium clover

albopurpureum rancheria clover

ciliolatum tree clover

gracilentum pin-point clover

microcephalum hairy/maiden clover

obtusiflorum creek clover

willdenovii (no vars) (T. tridentatum) tomcat clover
Vicia vetch

ludoviciana var. ludoviciana (V. exigua v. e.)? slender vetch

Fagaceae (oak family)
Quercus oak

agrifolia var. agrifolia coast live oak

berberidifolia (most of Q. dumosa) California scrub oak

engelmannii englemann oak

Gentianaceae (gentian family)
Centaurium centaury

venustum canchalagua

Geraniaceae (geranium family)
Erodium storksbill, filaree

botrys long-beaked/broad-leaf filaree

brachycarpum (E. obtusiplicatum)

cicutarium red stemmed filaree

moschatum white/green-stemmed filaree

Grossulariaceae (Saxifragaceae) (gooseberry family)
Ribes current, gooseberry

indecorum white-flowered currant

malvaceum var. viridifolium chaparral currant

speciosum fuchsia-flowered gooseberry

Hydrophyllaceae (waterleaf family)
Eucrypta

chrysanthemifolia var. chrysanthemifolia common/torry eucrypta
Phacelia

cicutaria var. hispida caterpillar phacelia

imbricata ssp. imbricata

minor wild canterbury-bell

parryi Parry's phacelia

ramosissima var. subglabra (var. suffrutescens) branching phacelia
Pholistoma

auritum var. auritum (P. a.) fiesta flower

Iridaceae (iris family)
Sisyrinchium

bellum blue-eyed-grass

Juncaceae (rush family)
Juncus rush, wire-grass

bufonius toad rush

kelloggii

phaeocephalus var. paniculatus brown-head rush

rugulosus wrinkled rush

xiphioides iris-leaved rush

Lamiaceae (Labiatae) (mint family)
Marrubium horehound

vulgare
Mentha mint

spicata spearmint
Monardella

hypoleuca ssp. hypoleuca
Salvia

apiana white sage

columbariae chia

mellifera black sage
Satureja

chandleri San Miguel savory
Stachys hedge-nettle

ajugoides var. rigida (S. r.)
Trichostema bluecurls

lanatum woolly bluecurls

lanceolatum vinegar weed

Lauraceae (laurel family)
Umbellularia California-bay, California-laurel

californica

Liliaceae (lily family)
Bloomeria golden stars

crocea
Calochortus mariposa lily

catalinae

concolor goldenbowl mariposa

splendens splendid/lilac mariposa lily

weedii var. intermedius
Chlorogalum soap plant, amole

parviflorum coast soap plant
Dichelostemma (Brodiaea)

capitatum (B., D. pulchella) ssp. capitatum blue dicks
Fritillaria fritillary

biflora chocolate-lily
Lilium

humboldtii ssp. ocellatum (L. h. var. bloomerianum) humboldt lily
Nolina nolina, beargrass

parryi (no vars)
Yucca spanish bayonet, yucca

whipplei (no vars) our lord's candle, spanish bayonet
Zigadenus zygadene, death-camas

fremontii star-lily

Malvaceae (mallow family)
Malacothamnus bushmallow

densiflorus (no vars)

fasciculatus (no vars) bushmallow, chaparral mallow
Malva

parviflora cheeseweed
Sidalcea checkerbloom, checker mallow

malvaeflora ssp. sparsifolia

neomexicana

Nyctaginaceae (four-O'clock family)
Mirabilis four-O'clock

californica (M. laevis) wishbone bush

Oleaceae (olive family)
Fraxinus ash

dipetala (F. trifoliata) flowering/California/foothill ash

Onagraceae (evening-primrose family)
Camissonia (Oenothera) sun cup

bistorta California/southern sun cups

californica false mustard, mustard evening-primrose
Clarkia

bottae (C. deflexa) punchbowl godetia

epilobioides willow-herb clarkia

purpurea ssp. quadrivulnera four-spot/wine-cup clarkia
Epilobium fireweed, willow herb

canum ssp. canum (Zauschneria californica ssp. cana, E. canum ssp. mexicanum) California fuchsia

ciliatum ssp. ciliatum (E. adenocaulon var. holosericeum/parishii) green willow-herd
Oenothera evening primrose

elata ssp. hirsutissima (O. hookeri)

Oxalidaceae (oxalis or wood-sorrel family)
Oxalis wood-sorrel

albicans ssp. californica

pes-caprae bermuda buttercup, buttercup sorrel

Paeoniaceae (peony family) (split from Ranunculaceae)
Paeonia peony

californica California peony

Papaveraceae (poppy family)
Dendromecon tree poppy, bush poppy

rigida bush/tree poppy
Eschscholzia

californica (no vars) California poppy
Romneya matilija poppy

coulteri

Plantaginaceae (plantain family)
Plantago plantain

erecta (no vars) California/western/annual/dwarf plantain

lanceolata English plantain

Platanaceae (sycamore family)
Platanus

racemosa California/western sycamore

Poaceae (grass family)
Achnatherum needlegrass

coronatum (Stipa coronata var. coronata) giant stipe/needlegrass
Agrostis bentgrass

capillaris colonial bentgrass

viridis (A. semiverticillata) water bent
Aristida three-awn

adscensionis sixweeks three-awn
Avena oat

barbata slender wild oat

fatua wild oats
Brachypodium

distachyon purple false brome, false barley
Bromus brome

diandrus (B. rigidus) ripgut grass/brome

hordeaceus (B. mollis) soft/smooth chess/brome

madritensis ssp. rubens (B. r.) red/foxtail chess/brome

tectorum downy brome/chess, cheat grass
Cynodon

dactylon bermuda grass
Echinochloa

crus-galli barnyard grass
Elymus

glaucus ssp. glaucus ryegrass, blue wild rye

multisetus (Sitanion jubatum) big squirreltail
Gastridium

ventricosum nitgrass
Hordeum barley

murinum ssp. glaucum (H. g.) farmer's foxtail
Koeleria

macrantha (K. cristata) junegrass
Lamarckia goldentop

aurea
Leptochloa sprangletop

uninervia
Leymus

condensatus (Elymus c.) giant/big wild rye
Melica melic, oniongrass

imperfecta small-flowered melic
Muhlenbergia muhly

rigens deergrass
Nessella needlegrass

cernua (Stipa c.) nodding needlegrass

lepida (Stipa l. var. lepida) foothill needlegrass, feather-grass

pulchra (Stipa p.) purple needlegrass
Paspalum

distichum knot/ditch grass
Phalaris

aquatica harding grass

lemmonii canary grass
Piptatherum

miliaceum (Oryzopsis miliacea)
Poa bluegrass

secunda ssp. juncifolia (P. nevadensis)
Polypogon beardgrass

monspeliensis rabbitfoot grass, annual beardgrass
Schismus mediterranean grass

barbatus mediterranean/split grass
Vulpia

myuros mousetail fescue

Polemoniaceae (phlox family)
Eriastrum

sapphirinum (no vars)
Gilia

angelensis blue gilia

capitata ssp. abrotanifolia globe/ball gilia
Linanthus

androsaceus (no vars) coast baby-star

dianthiflorus (no vars) ground pink, fringed gilia

floribundus (L. nuttallii f.)

Polygonaceae (buckwheat family)
Chorizanthe spineflower

staticoides (no vars) turkish rugging
Eriogonum wild buckwheat

elongatum var. elongatum long-stemmed buckwheat

fasciculatum var. fasciculatum California buckwheat

gracile graceful buckwheat
Lastarriaea (Chorizanthe)

coriacea (C. c.)
Polygonum knotweed, smartweed

arenastrum (P. aviculare) common knotweed
Pterostegia

drymarioides wing-over, calif. threadstem, fairy mist, granny's hairnet
Rumex dock, sorrel

conglomeratus whorled/green dock

crispus curly dock

salicifolius (R. californicus) willow/California dock

Portulacaceae (purslane family)
Calandrinia

ciliata (no vars) red maids
Claytonia (Montia)

perfoliata ssp. perfoliata miner's lettuce

Primulaceae (primrose family)
Anagallis pimpernel

arvensis (no vars) scarlet pimpernel
Dodecatheon shooting star

clevelandii ssp. clevelandii padre's shooting star
Samolus

parviflorus water-pimpernel, brookweed

Ranunculaceae (buttercup family)
Clematis virgins's bower

lasiantha pipestems, chaparral clematis
Delphinium larkspur

parryi
Ranunculus buttercup, crowfoot

californicus (no vars) California buttercup
Thalictrum meadow-rue

fendleri var. polycarpum (T. p.)

Rhamnaceae (buckthorn family)
Ceanothus California-lilac

crassifolius hoaryleaf ceanothus

spinosus greenbark ceanothus
Rhamnus buckthorn

californica ssp. californica coffeeberry

crocea spiny redberry

ilicifolia holly-leafed redberry

Rosaceae (rose family)
Adenostoma

fasciculatum chamise, greasewood
Cercocarpus mountain-mahogany

betuloides birch-leaf mountain-mahogany
Heteromeles toyon, christmas berry, Calif. holly

arbutifolia
Potentilla cinquefoil

glandulosa ssp. glandulosa sticky cinquefoil
Rosa rose

californica California wild rose
Rubus

ursinus California blackberry

Rubiaceae (madder family)
Galium bedstraw, cleavers

angustifolium ssp. angustifolium narrow-leaf/chaparral bedstraw

aparine common bedstraw, goose grass

nuttallii ssp. nuttallii nuttall's bedstraw

Salicaceae (willow family)
Populus

balsamifera ssp. trichocarpa (P. trichocarpa) black cottonwood
Salix willow

gooddingii (no vars) southwestern willow

laevigata (no vars) red willow

lasiolepis (no vars) arroyo willow

Saxifragaceae (saxifrage family)
Boykinia

rotundifolia
Jepsonia

parryi coast jepsonia
Lithophragma woodland/rock star

affine (no vars)

Scrophulariaceae (figwort family)
Antirrhinum snapdragon

kelloggii twining/climbing snapdragon

nuttallianum purple snapdragon
Castilleja indian paintbrush

affinis ssp. affinis coastal paintbrush

exserta (Orthocarpus purpurascens) common/purple owl's-clover

minor ssp. spiralis (C. stenantha)
Collinsia

heterophylla (no vars) chinese houses
Cordylanthus bird's beak

rigidus ssp. setigerus (C. filifolius) white birdsbeak
Keckiella

cordifolia heart-leaved bush penstemon
Linaria toadflax

canadensis var. texana larger blue toad-flax
Mimulus monkeyflower

aurantiacus (M. aridus, longiflorus, puniceus) bush/sticky monkeyflower

brevipes

cardinalis scarlet monkey-flower

floribundus (M. dudleyi) granite/slimy monkey flower

guttatus (no vars) (M. nasutus) common monkey flower

pilosus downy monkeyflower
Penstemon beard-tongue

spectabilis var. spectabilis
Scrophularia figwort

californica ssp. floribunda bee plant
Veronica speedwell

anagallis-aquatica water speedwell, brooklime

Solanaceae (nightshade family)
Datura thorn-apple, jimson-weed

wrightii (D. meteloides) western jimsonweed
Nicotiana tobacco

glauca tree tobacco
Physalis ground cherry

crassifolia (no vars) (inc. P. greenei)
Solanum nightshade

douglasii douglas' nightshade

elaeagnifolium white/silverleaf horse-nettle

xanti (S. xantii) (no vars) purple/chaparral nightshade

Typhaceae (cattail family)
Typha cattail

angustifolia narrow-leaf cattail

Urticaceae (nettle family)
Urtica stinging nettle

dioica ssp. holosericea (U. h.) hoary/common/creek nettle

urens dwarf nettle

Verbenaceae (vervain family)
Verbena

lasiostachys

Violaceae (violet family)
Viola violet

pedunculata jonny-jump-up, wild pansy

Viscaceae (Loranthaceae) (mistletoe family)
Phoradendron mistletoe

macrophyllum (P. tomentosum m.) chaparral/big-leaf mistletoe

villosum oak/hairy mistletoe

Vitaceae (grape family)
Vitis grape

girdiana desert wild grape

Zygophyllaceae (caltrop family)
Tribulus puncture vine, caltrop

terrestris

number of families = 67
number of genera = 255
number of species, subspecies and varieties = 390