Wildflowers

of the

Santa Monica Mountains National Recreation Area




Table of Links




This table has three columns in it providing access to the plants on this web site.
The first column is sorted by plant families, the second by common name, and the third by scientific name.







Family



Family Aizoaceae

Carpobrotus
chilensis *
edulis *

Malephora
crocea *

Mesembryanthemum
crystallinum *

Family Alismataceae

Alisma
plantago-aquatica

Echinodorus
berteroi

Family Anacardiaceae

Malosma
laurina

Rhus
integrifolia
ovata
trilobata

Schinus
molle *
terebinthifolius *

Toxicodendron
diversilobum

Family Apiaceae

Anthriscus
caucalis *

Apiastrum
angustifolium

Apium
graveolens *

Berula
erecta

Conium
maculatum *

Daucus
pusillus

Foeniculum
vulgare *

Lomatium
dasycarpum
lucidum

Osmorhiza
brachypoda

Sanicula
arguta
crassicaulis
tuberosa

Tauschia
arguta

Torilis
arvensis *

Family Apocynaceae

Vinca
major *

Family Asclepiadaceae

Asclepias
californica
eriocarpa
fascicularis

Family Asteraceae

Achillea
millefolium

Achyrachaena
mollis

Acourtia
microcephala

Acroptilon
repens *

Agoseris
grandiflora

Amblyopappus
pusillus

Ambrosia
acanthicarpa
chamissonis
psilostachya

Anthemis
cotula *

Artemisia
californica
douglasiana
dracunculus

Baccharis
malibuensis
pilularis
plummerae ssp. plummerae
salicifolia

Bellis
perennis *

Bidens
pilosa *

Brickellia
californica
nevinii

Carduus
pycnocephalus *

Centaurea
calcitrapa *
melitensis *
solstitialis *

Chaenactis
artemisiifolia
glabriuscula

Chamomilla
suaveolens *

Chrysanthemum
coronarium *

Cichorium
intybus *

Cirsium
occidentale
californicum
vulgare *

Conyza
bonariensis *
canadensis *

Coreopsis
bigelovii
gigantea

Cotula
australis *
coronopifolia *

Cynara
cardunculus *

Deinandra
fasciculata
minthornii

Encelia
californica
farinosa

Ericameria
ericoides
linearifolia
palmeri var. pachylepis

Erigeron
foliosus var. foliosus

Eriophyllum
confertiflorum

Euthamia
occidentalis

Filago
californica
gallica *

Gazania
sp *

Gnaphalium
bicolor
californicum
canescens ssp. microcephalum
luteo-album *
palustre

Grindelia
camporum

Hazardia
squarrosa var. grindelioides

Hedypnois
cretica *

Helenium
puberulum

Helianthus
annuus
gracilentus

Heterotheca
grandiflora
sessiliflora

Hieracium
argutum

Hypochaeris
glabra *

Isocoma
menziesii var. sedoides
menziesii var. vernonioides

Jaumea
carnosa

Lactuca
serriola *

Lagophylla
ramosissima

Lasthenia
californica

Layia
platyglossa

Lepidospartum
squamatum

Lessingia
filaginifolia

Madia
elegans
exigua
gracilis

Malacothrix
saxatilis

Micropus
californicus

Monolopia
lanceolata

Pentachaeta
lyonii

Perityle
emoryi

Picris
echioides *

Pluchea
odorata

Rafinesquia
californica

Senecio
flaccidus var. douglasii
mikanioides *
vulgaris *

Silybum
marianum *

Solidago
californica

Sonchus
oleraceus *

Stephanomeria
cichoriacea
diegensis
exigua ssp. coronaria
virgata

Tanacetum
parthenium *

Taraxacum
officinale *

Tetradymia
comosa

Uropappus
lindleyi

Urospermum
picroides *

Venegasia
carpesioides

Xanthium
strumarium

Family Betulaceae

Alnus
rhombifolia

Family Blechnaceae

Woodwardia
fimbriata

Family Boraginaceae

Amsinckia
intermedia

Cryptantha
clevelandii
intermedia
micromeres
microstachys
muricata

Heliotropium
curassavicum

Pectocarya
linearis ssp. ferocula

Plagiobothrys
nothofulvus

Family Brassicaceae

Arabis
sparsiflora

Barbarea
orthoceras

Brassica
nigra *
tournefortii *

Cakile
maritima *

Capsella
bursa-pastoris *

Cardamine
californica

Caulanthus
heterophyllus
heterophyllus var. heterophyllus

Descurainia
pinnata ssp. halictorum

Erysimum
capitatum
insulare ssp. suffrutescens

Guillenia
lasiophylla

Hirschfeldia
incana *

Lepidium
lasiocarpum
latifolium *
nitidum

Lobularia
maritima *

Raphanus
sativus *

Rorippa
nasturtium-aquaticum *

Sisymbrium
irio *
officinale *
orientale *

Stanleya
pinnata

Thysanocarpus
laciniatus

Tropidocarpum
gracile

Family Cactaceae

Opuntia
X occidentalis
ficus-indica *
littoralis
oricola
prolifera

Family Campanulaceae

Githopsis
diffusa ssp. diffusa

Lobelia
dunnii var. serrata

Family Capparaceae

Isomeris
arborea

Family Caprifoliaceae

Lonicera
subspicata

Sambucus
mexicana

Symphoricarpos
mollis

Family Caryophyllaceae

Minuartia
douglasii

Petrorhagia
dubia *

Silene
antirrhina
coniflora
gallica *
laciniata
verecunda ssp. platyota

Spergula
arvensis *

Spergularia
villosa *

Stellaria
media *

Family Chenopodiaceae

Atriplex
californica
lentiformis ssp. lentiformis
leucophylla
semibaccata *

Chenopodium
californicum

Salicornia
virginica

Salsola
tragus *

Family Cistaceae

Cistus
ladaniferus *

Helianthemum
scoparium

Family Convolvulaceae

Calystegia
macrostegia
malacophylla ssp. pedicellata
soldanella

Convolvulus
arvensis *

Ipomoea
purpurea *

Family Crassulaceae

Crassula
connata

Dudleya
blochmaniae ssp. blochmaniae
caespitosa
cymosa ssp. agourensis
cymosa ssp. marcescens
lanceolata
parva
pulverulenta
verityi

Family Cucurbitaceae

Cucurbita
foetidissima

Marah
macrocarpus

Family Cuscutaceae

Cuscuta
californica
salina
subinclusa

Family Cyperaceae

Carex
praegracilis

Eleocharis
macrostachya

Family Datiscaceae

Datisca
glomerata

Family Dennstaedtiaceae

Pteridium
aquilinum var.pubescens

Family Dryopteridaceae

Dryopteris
arguta

Family Equisetaceae

Equisetum
laevigatum

Family Ericaceae

Arctostaphylos
glandulosa
glauca

Comarostaphylis
diversifolia ssp. planifolia

Family Euphorbiaceae

Chamaesyce
maculata *
polycarpa
serpens *

Croton
californicus

Eremocarpus
setigerus

Euphorbia
spathulata
terracina *

Ricinus
communis *

Family Fabaceae

Amorpha
californica var. californica

Astragalus
brauntonii
didymocarpus var. didymocarpus
trichopodus

Cercis
occidentalis

Hoita
macrostachya

Lathyrus
vestitus

Lotus
argophyllus var. argophyllus
corniculatus *
grandiflorus
purshianus
salsuginosus
scoparius
strigosus
wrangelianus

Lupinus
concinnus
hirsutissimus
latifolius
longifolius
microcarpus
sparsiflorus
succulentus
truncatus

Medicago
polymorpha *
sativa *

Melilotus
alba *
indica *

Pickeringia
montana ssp. montana

Pisum
sativum *

Robinia
pseudoacacia *

Rupertia
physodes

Spartium
junceum *

Trifolium
ciliolatum
obtusiflorum
willdenovii

Vicia
sativa *
villosa *

Family Fagaceae

Quercus
agrifolia

Family Frankeniaceae

Frankenia
salina

Family Garryaceae

Garrya
veatchii

Family Gentianaceae

Centaurium
exaltatum
venustum

Family Geraniaceae

Erodium
botrys *
cicutarium *
moschatum *

Geranium
carolinianum
dissectum *

Family Grossulariaceae

Ribes
aureum var. gracillimum
californicum
malvaceum
speciosum

Family Hydrophyllaceae

Emmenanthe
penduliflora var. penduliflora

Eriodictyon
crassifolium

Eucrypta
chrysanthemifolia

Nemophila
menziesii

Phacelia
brachyloba
cicutaria
distans
grandiflora
imbricata
parryi
ramosissima
viscida

Pholistoma
auritum

Family Iridaceae

Sisyrinchium
bellum

Family Juglandaceae

Juglans
californica

Family Juncaceae

Juncus
macrophyllus
rugulosus
xiphioides

Family Lamiaceae

Lamium
amplexicaule *

Lepechinia
fragrans

Marrubium
vulgare *

Salvia
apiana
columbariae
leucophylla
mellifera
spathacea

Scutellaria
tuberosa

Stachys
albens
bullata

Trichostema
lanatum
lanceolatum

Family Lauraceae

Umbellularia
californica

Family Liliaceae

Allium
haematochiton
peninsulare

Asphodelus
fistulosus *

Bloomeria
crocea

Brodiaea
terrestris ssp. kernensis

Calochortus
albus
catalinae
clavatus
plummerae
splendens
venustus

Chlorogalum
pomeridianum

Dichelostemma
capitatum

Fritillaria
biflora

Lilium
humboldtii ssp. ocellatum

Muilla
maritima

Nolina
cismontana

Yucca
whipplei

Zigadenus
fremontii

Family Linaceae

Hesperolinon
micranthum

Family Loasaceae

Mentzelia
micrantha

Family Lythraceae

Lythrum
californicum
hyssopifolia *

Family Malvaceae

Lavatera
arborea *

Malacothamnus
fasciculatus

Malva
nicaeensis *
parviflora *

Sidalcea
malviflora

Family Myrtaceae

Eucalyptus
globulus *

Family Nyctaginaceae

Abronia
maritima
umbellata

Mirabilis
californica

Family Oleaceae

Fraxinus
dipetala

Family Onagraceae

Camissonia
bistorta
boothii ssp. decorticans
californica
cheiranthifolia ssp. suffruticosa
micrantha

Clarkia
bottae
cylindrica
epilobioides
purpurea
unguiculata

Epilobium
brachycarpum
canum
ciliatum ssp. ciliatum

Gaura
sinuata *

Ludwigia
peploides ssp. peploides

Oenothera
elata ssp. hirsutissima
speciosa *

Family Orchidaceae

Epipactis
gigantea

Piperia
elongata
unalascensis

Family Orobanchaceae

Orobanche
bulbosa
fasciculata
uniflora
vallicola

Family Oxalidaceae

Oxalis
albicans
corniculata *
pes-caprae *
rubra *

Family Paeoniaceae

Paeonia
californica

Family Papaveraceae

Argemone
munita

Dendromecon
rigida

Dicentra
ochroleuca

Eschscholzia
caespitosa
californica

Meconella
denticulata

Papaver
californicum

Platystemon
californicus

Romneya
coulteri *

Family Plantaginaceae

Plantago
erecta
lanceolata
major *

Family Platanaceae

Platanus
racemosa

Family Plumbaginaceae

Limonium
perezii *

Family Poaceae

Achnatherum
coronatum

Aristida
adscensionis

Avena
fatua *

Bromus
diandrus *
hordeaceus *
madritensis *

Lamarckia
aurea *

Leymus
condensatus

Muhlenbergia
microsperma

Nassella
lepida
pulchra

Paspalum
dilatatum *

Pennisetum
setaceum *

Piptatherum
miliaceum *

Poa
Annua *
secunda

Vulpia
myuros *

Family Polemoniaceae

Allophyllum
glutinosum

Eriastrum
densifolium
sapphirinum

Gilia
angelensis
australis
capitata
clivorum
splendens

Leptodactylon
californicum

Linanthus
dianthiflorus
liniflorus
parviflorus

Navarretia
hamata
pubescens

Phlox
gracilis

Family Polygalaceae

Polygala
cornuta

Family Polygonaceae

Chorizanthe
parryi var. fernandina
staticoides

Emex
spinosa *

Eriogonum
angulosum
cinereum
cithariforme
crocatum
elongatum var. elongatum
fasciculatum
gracile
parvifolium

Polygonum
amphibium var. emersum
arenastrum *

Pterostegia
drymarioides

Rumex
conglomeratus *
crispus *

Family Polypodiaceae

Polypodium
californicum

Family Portulacaceae

Calandrinia
breweri
ciliata

Calyptridium
monandrum

Claytonia
exigua
perfoliata

Lewisia
rediviva

Portulaca
oleracea *

Family Primulaceae

Anagallis
arvensis *

Dodecatheon
clevelandii

Samolus
parviflorus

Family Pteridaceae

Adiantum
capillus-veneris
jordanii

Aspidotis
californica

Cheilanthes
covillei
newberryi

Dryopteris
arguta

Pellaea
andromedifolia
mucronata

Pentagramma
triangularis

Family Ranunculaceae

Clematis
lasiantha
ligusticifolia

Delphinium
cardinale
parryi
patens

Ranunculus
californicus
hebecarpus

Thalictrum
polycarpum

Family Rhamnaceae

Ceanothus
crassifolius
cuneatus var. cuneatus
leucodermis
megacarpus
oliganthus
spinosus

Rhamnus
californica
crocea
ilicifolia

Family Rosaceae

Adenostoma
fasciculatum
sparsifolium

Cercocarpus
betuloides

Heteromeles
arbutifolia

Holodiscus
discolor

Potentilla
glandulosa

Prunus
ilicifolia

Rosa
californica

Rubus
ursinus

Family Rubiaceae

Galium
andrewsii
angustifolium
aparine *
nuttallii

Family Salicaceae

Salix
exigua
lasiolepis

Family Saururaceae

Anemopsis
californica

Family Saxifragaceae

Boykinia
rotundifolia

Lithophragma
affine

Saxifraga
californica

Family Scrophulariaceae

Antirrhinum
coulterianum
kelloggii
multiflorum
nuttallianum ssp. subsessile

Castilleja
affinis
exserta
foliolosa
minor ssp. spiralis

Collinsia
heterophylla
parryi

Cordylanthus
rigidus

Keckiella
cordifolia

Kickxia
elatine *

Linaria
canadensis

Mimulus
aurantiacus
brevipes
cardinalis
guttatus
pilosus

Pedicularis
densiflora

Penstemon
centranthifolius
heterophyllus
spectabilis var. subviscosis

Scrophularia
californica

Verbascum
virgatum *

Veronica
anagallis-aquatica *
persica *

Family Selaginellaceae

Selaginella
bigelovii

Family Solanaceae

Datura
wrightii

Nicotiana
acuminata var. multiflora *
clevelandii
glauca *
quadrivalvis

Solanum
douglasii
xanti

Family Tropaeolaceae

Tropaeolum
majus *

Family Typhaceae

Typha
domingensis
latifolia

Family Urticaceae

Hesperocnide
tenella

Urtica
dioica ssp. holosericea

Family Valerianaceae

Plectritis
ciliosa

Family Verbenaceae

Verbena
lasiostachys

Family Violaceae

Viola
pedunculata

Family Zygophyllaceae

Tribulus
terrestris *














If you have comments or questions please contact
Tony_Valois@partner.nps.gov
310-457-6408




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Common Name



Alaskan Rein Orchid
Alfalfa *
Alkali Heath
alkali seaheath
Angel's Gilia
Anglestem Buckwheat
Annual Bedstraw *
Annual Bluegrass *
Annual Bur-sage
Annual Cat's Ear *
Annual Coreopsis
Annual Paintbrush
Annual Stinging Nettle
Arroyo Willow
Ashy Leaf Buckwheat
Asian Mustard *
Australian Brassbutton *
Australian Saltbush *
Australian waterbuttons *
Baby Blue-eyes
Bajada Lupine
Barbary fig *
Barnaby's Thistle *
Basket Brush
Beach Evening Primrose
Beach Morning-glory
Beach Saltbush
Beaver-tail Cactus *
Beggar-ticks *
Bermuda Buttercup *
big saltbush
Bigberry Manzanita
Bigelow's Spike Moss
Bigelow's tickseed
bigflower agoseris
Bigpod Ceanothus
Bindweed *
Birdfoot Trefoil *
Bird's Beak
Bird's-foot Fern
Bitter Root
Black Locust *
Black Mustard *
Black Sage
Bladderpod
Bleeding Heart
Blochman's Dudleya
Blochman's Live-forever
Blow-wives
Blue Dicks
Blue Gum *
Blue Larkspur
Blue Larkspur
Blue Toadflax
Blue-eyed Grass
Blue-eyed Mary
Branching Phacelia
Brass Buttons *
Braunton's milkvetch
Brauton's Rattle-weed
Brazilian Pepper Tree *
Brewer's Red Maids
Bristly Ox-tongue *
Brittlebush
Broad-leaved Cattail
Broad-leaved Lupine
Broomrape
broomsage
Buck Brush
Bull Mallow *
Bull Thistle *
Bur-chervil *
Bur-clover *
Burhead
Bush Lupine
Bush Mallow
Bush Monkey Flower
Bush Senecio
Bush Sunflower
Butterfly Mariposa Lily
Calabazilla
California Ash
California Black Walnut
California Blackberry
California Brickellbush
California Buckwheat
California Buttercup
California Chicory
California croton
California Dodder
California Everlasting
California false indigo
California Figwort
California Filago
California Fuchsia
California goldenbush
California Goldenrod
California Goosefoot
California Lace-fern
California Laurel
California lilac
California Loosestrife
California Milkweed
California Mugwort
California Mustard
California Peony
California Plantain
California plumeseed
California Polypody
California Poppy
California Sagebrush
California Saltbush
California Saxifrage
California sweetcicely
California Thistle
California Wild Rose
California-tea
Canchalagua
Canyon Dodder
Canyon Sunflower
Cardoon *
Carolina Geranium
Castor Bean *
Catalina Mariposa Lily
Caterpillar Phacelia
Celery *
Chalk Live-forever
Chamise
Chaparral Broomrape
Chaparral Currant
Chaparral Flowering Ash
Chaparral Honeysuckle
Chaparral Pea
chaparral pricklypear
chaparral whitethorn
Checker Bloom
Cheeseweed *
Chia
Chicory *
Chile Lotus
Chinese Houses
Chocolate Lily
cholla
Cithara Buckwheat
clammy clover
Clearwater cryptantha
Cleveland's cryptantha
Cleveland's Tobacco
Cliff Aster
Climbing Bedstraw
Clustered Broomrape
clustered dock *
Clustered Field Sedge
Coast Cholla
Coast Goldenbush
Coast Goldfields
Coast Live Oak
coast saltbush
Coast Wallflower
Coast Weed
Coastal Lotus
Coastal Prickly Pear
coastal tidytips
Coastal Wood-fern
Coastal Wood-fern
Cobweb Thistle
Cocklebur
Coffee Fern
Coffeeberry
Collar Lupine
collared annual lupine
Collarless California Poppy
common brassbuttons *
Common Chickweed *
Common Dwarf Locoweed
Common Fiddleneck
Common Groundsel *
common gum cistus *
common ice plant *
Common Knotweed *
Common Madia
common monolopia
Common Montia
Common Morning Glory *
Common Muilla
Common Plantain *
common purslane *
Common Sunflower
Common Vervain
Conejo Buckwheat
Conejo Dudleya
Coppery Mesemb *
Corn Spurry *
Cotton Fern
cotton-thorn
Coulter's Lupine
Coulter's matilija poppy *
Coville's Lip Fern
Coyote Brush
Cream Bush
Cream Cups
Creek Clover
Creek Monkey Flower
creeping woodsorrel *
Cretanweed *
Crimson Pitcher Sage
Crimson-spot Rockrose *
Croton
Crystalline Iceplant *
Curly Dock *
cutleaf geranium *
cutleaf waterparsnip
Dallis Grass *
Dandelion *
Datura
Deerweed
delicate buttercup
Denseflower Rein Orchid
Desert Centaury
desert princesplume
Devil's Thorn *
Dobie-pod
dog-fennel *
Dolores Campion
doorweed *
Douglas' Sandwort
Dove's Foot Geranium *
Downy Monkey Flower
Downy Navarretia
downy pincushionplant
Durango Root
dwarf coastweed
dwarf white milkvetch
Eastwood Manzanita
Elderberry
Elegant Clarkia
elegant rock rose
elegant rockcress
English Daisy *
English Plantain
Eucalyptus *
Eucrypta
false asphodel *
False Indigo
Farewell-to-spring
Felt-leaf Everlasting
Fern-leaf Phacelia
Feverfew *
field bindweed *
Field Willow-herb
Fiesta Flower
Fire poppy
Fish's Milkwort
flatspine burr ragweed
Flax-flowered Linanthus
Fleabane Aster
Flowering Ash
Fluellin *
foothill clover
Foothill Needlegrass
Foothill Penstemon
forest scurfpea
Fountain Grass *
Foxtail *
fringed linanthus
Fuchsia-flowered Gooseberry
Gaint Chain Fern
Garden Pea *
Garland Chrysanthemum *
Gazania *
German Ivy *
Giant Coreopsis
Giant Stipa
Giant Wild Rye
Globe Gilia
Globe Lily
Goldback Fern
Golden Currant
Golden Prince's Plume
Golden Stars
Golden Yarrow
Goldentop *
Greenbark Ceanothus
Ground-pink
gum cistus *
Gum Plant
Hairy Golden-aster
Hairy Horsebrush
Hairy Peppergrass
hairy sandspurry *
Hairy-fruited Buttercup
Hairy-leaved Ceanothus
Hairypink *
hardheads *
Hareleaf
Hawkweed
Heart-leaved Penstemon
Hedge Mustard *
Hedge-nettle
Hedypnois *
Henbit *
Hillside Broomrape
Hillside Gooseberry
Hoary Nettle
Hoary-leaved Ceanothus
Hollyleaf Cherry
Hollyleaf Redberry
Hooked Navarretia
hooked pincushionplant
Hooker's Evening Primrose
Horehound *
Horseweed *
Hottentot Fig *
Humboldt Lily
Hummingbird Sage
Hyssop Loosestrife *
incienso
Indian hedgemustard *
Indian Milkweed
Indian Paintbrush
Indian Pink
Indian Tobacco
Indian Warrior
Indian-fig *
Irisleaf Rush
island wallflower
Italian Thistle *
Jewel Flower
Johnny Jump-up
Kern Brodiaea
Lance-leaf Live-forever
Large-flowered Lotus
Large-flowered Phacelia
Large-flowered Popcorn Flower
Laurel Sumac
lawndaisy *
leafy fleabane
Leather Root
lemonade sumac
Lemonadeberry
lenscale
Lilac Mariposa Lily
Linanthus
little hogweed *
Little Horseweed *
Littleseed Muhly
Live-forever
London Rocket *
Long-beaked Filaree *
Longleaf Rush
Long-spurred Plectritic
Lowland Cudweed
Lyon's Pentachaeta
Maiden-hair Fern
Malibu Baccharis
Maltese star-thistle *
Manyflower Tobacco *
Many-nerved Catchfly
Marsh Jaumea
marsh-fleabane
Matilija Poppy *
Matted Sandmat *
Mayweed *
Meadow Rue
Mediterranean Mustard *
Mexican Evening Primrose *
Milkmaids
Milk-thistle *
Miner's Lettuce
Minute-flowered Popcorn Flower
Mock Heather
Monolopia
Mountain Dandelion
Mountain Mahogany
Mountain Phacelia
Mule Fat
Mustard Evening Primrose
Narrowleaf Cottonrose *
Narrow-leaved Bedstraw
Narrow-leaved Cattail
Narrow-leaved Fringe-pod
Narrow-leaved Milkweed
narrow-leaved willow
Nasturtium *
Nevin's Brickellbush
Nolina
Notable Penstemon
ocean spray
Onionweed *
orchard morning-glory *
Oriental Mustard *
Our Lord's candle
oval-leaf knotweed *
Oxalis
Pacific Sanicle
Pale Spikerush
Palmer's Goldenbush
Palmer's rabbitbrush
Parry's Phacelia
Peninsular Onion
Perennial Peppergrass *
Perennial Wool Star
Perezia
Periwinkle *
Persian Speedwell *
Peruvian Pepper Tree *
Phlox-leaved Bedstraw
pickleweed
Pigmy Weed
Pineapple Weed *
Pink Sand Verbena
pinkladies *
Pitcher Sage
Plummer's Baccharis
Plummer's Mariposa Lily
pointed cryptantha
Poison Hemlock *
Poison Oak
Popcorn Flower
Prickly Goldenfleece *
Prickly Lettuce *
Prickly Pear
Prickly Phlox
Prickly Popcorn Flower
Prickly Poppy
Prostrate Coast Goldenbush
Prostrate Spurge
Puncture Vine *
Purple Clarkia
Purple Needlegrass
Purple Nightshade
Purple Owl's Clover
Purple Sage
Purple Star-thistle *
Purplespot Gilia
Purslane *
Pygmy Madia
pygmyflower cryptantha
Quail Bush
Rat-tail Fescue *
Rattlesnake Weed
Red Maids
Red Sand Verbena
red star-thistle *
Redberry
Redshank
Red-skinned Onion
Red-stem Filaree *
Ripgut Grass *
Rock Cress
Rock Daisy
Rock-rose
Rose Oxalis *
Rose Snapdragon
rosilla
Rothrock's Lobelia
rough cockleburr
Round-leaf Boykinia
Russian knapweed *
Russian Thistle *
rusty popcornflower
sagebrush combseed
Salt Marsh Fleabane
Saltmarsh Dodder
San Diego Milk-aster
San Fernando Valley Spineflower
San Francisco campion
San Gabriel bluecup
Sand Cress
Sand Spurry *
Sandbar Willow
Sandberg Bluegrass
sand-bur
Santa Monica Mountains Dudleya
Santa Monica Mountains Dudleya
Santa Susana Tarweed
Sapphire Wool Star
Sawtooth Goldenbush
Scale Broom
Scarlet Bugler
Scarlet Larkspur
Scarlet Monkey Flower
Scarlet Pimpernel *
Sea Fig *
sea muilla
Sea Rocket *
Sea-cliff Buckwheat
Sea-Lavender *
sealettuce
sessileflower false goldenaster
shaggyfruit pepperweed
Sharp Dock *
sharpleaf cancerwort *
sharptooth blacksnakeroot
sharp-toothed sanicle
Shedding Primrose
Shepherd's Purse *
shining pepperweed
Shiny Lomatium
Shiny Peppergrass
Shooting Star
shortlobe phacelia
shortpod mustard *
sicklepod rockcress
Sierra False Bindweed
Silk-tassel Bush
Silver Beach-bur
silver bird's-foot trefoil
Silver Lotus
Silver Puffs
Six-week Three-awn
Skullcap
skunk bush
skunkbush sumac
Sleepy Catchfly
Slender Buckwheat
Slender Cotton Weed
Slender Pectocarya
Slender Phlox
Slender Sunflower
Slender Tarweed
slender woolly buckwheat
Slender-leaved Goldenbush
Slender-pod Jewel Flower
Small Evening Primrose
small tarweed
Small-flowered Dwarf-flax
Small-flowered Meconella
Smilo Grass *
Smooth Scouring-rush
Snake Root
Sneezeweed
Snowberry
soap bush
Soap Plant
Soft Brome *
Southern Blue-cup
Southern California Locoweed
Southern Gilia
Southern Tauschia
Sow Thistle *
Spanish Broom *
Spanish Clover
Speckled Clarkia
spiny threecornerjack *
Splendid Gilia
splendid mariposa lily
spotted sandmat *
Spotted Spurge *
Spreading Hedge-parsley *
Spring Vetch *
Star-lily
starwort *
Stick-leaf
stickwort *
Sticky Cinquefoil
sticky false gilyflower
Sticky Madia
Sticky Phacelia
Stinging Lupine
stinking chamomile *
stinkweed *
Stinky Gilia
Stream Orchid
Strigose Lotus
Succulent Lupine
Sugar Bush
Summer Holly
Sun-cup
Sweet Alyssum *
Sweet Cicely
Sweet Fennel *
sweetscent
Tansy Mustard
Tasmanian bluegum *
Tejon Cryptantha