White

white yellow blue brown red
white flowers

Amaryllidaceae
Allium haematochiton
Red-Skinned Onion

FebApr

Asparagaceae
Chlorogalum pomeridianum
Waxy leaved soap lily

AprJuly
Hesperoyucca whipplei
Chaparral yucca

AprAug

Liliaceae
Calochortus albus
White fairy lantern

MarJuly
Calochortus catalinae
Catalina Mariposa Lily

FebJune
Calochortus venustus
Butterfly Mariposa lily

AprJune

Melanthiaceae
Toxicoscordion fremontii
Star Lily

FebJuly

Orchidaceae
Epipactis gigantea
Stream Orchid

AprJune
Piperia elongata
Dense-flowered Rein Orchid

JuneAug
Piperia michaelii
Michael’s Rein Orchid

MayJune

Xanthorrhoeaceae
Asphodelus fistulosus
Asphodel

All year

Cyperaceae
Cyperus eragrostis
Tall Flatsedge

July
Cyperus involucratus
Umbrella Plant

November
Schoenoplectus pungens
Common Three-Square Bulrush

AprMay

Juncaceae
?Juncus dubius
Mariposa Rush
Juncus effusus
Bog Rush

May
Juncus textilis
Indian Rush

Poaceae
Cortaderia jubata
Pampas Grass

Apiaceae
Osmorhiza brachypoda
California Sweet Cicely

FebMay
Conium maculatum
poison hemlock

DecSep
Torilis arvensis
Field Hedge Parsley

MayJune
Torilis sp.
Hedge parsley

MarJuly
Apium graveolens
celery

AprDec
Daucus pusillus
wild carrot

AprJune

Asteraceae
Achillea millefolium
Common yarrow

FebOct
Artemisia californica
Old man’s beard

AprNov
Artemisia douglasiana
Mugwort

JuneOct
Cotula australis
Southern Brass Buttons

JanJune
Baccharis pilularis
Coyote Bush

JuneDec
Baccharis plummerae
Plummer’s Baccharis

AprDec
Baccharis salicifolia
Mulefat

JulyMay
Erigeron bonariensis
Flax-leaved Horseweed

FebMar
Erigeron canadensis
Horseweed

AprFeb
Logfia filaginoides
California Cottonrose

February
Pseudognaphalium beneolens
fragrant everlasting

DecMay
Pseudognaphalium biolettii
twocolor cudweed

AugMay
Pseudognaphalium californicum
California pearly everlasting

JanNov
Pseudognaphalium canescens
white everlasting

All year
Pseudognaphalium stramineum
Cottonbatting Plant

December
Ageratina adenophora
sticky snakeroot

FebOct
Brickellia nevinii
Nevin’s Brickellbush

JuneSep
Ambrosia psilostachya
Western ragweed

MayJan
Layia platyglossa
Tidy Tips

MarApr
Hemizonia congesta-luzulifolia
Silky Tarweed

AprDec
Cirsium occidentale-californicum
California thistle

MarAug
Malacothrix saxatilis
Cliff-aster

All year
Malacothrix saxatilis-saxatilis
Seaside daisy

All year
Rafinesquia californica
California Chickory

FebJuly
Stephanomeria virgata
Tall Stephanomeria

MayFeb
Micropus californicus
Slender cottonweed

MarMay
Xanthium spinosum
Spiny Clotbur

September
Xanthium strumarium
Cocklebur

FebMar

Adoxaceae
Sambucus nigra-caerulea
Blue Elderberry

All year

Caprifoliaceae
Lonicera subspicata
Chaparral honeysuckle

All year
Symphoricarpos mollis
Trailing Snowberry

AprJuly

Garryaceae
Garrya flavescense
Ashy Silktassel
No Image
available

DecJan

Rubiaceae
Galium andrewsii
phlox-leaved bedstraw

MarJuly
Galium aparine
common bedstraw

FebMay
?Galium californicum
California bedstraw

FebJune
Galium nuttallii
climbing bedstraw

FebJuly
Galium porrigens
graceful bedstraw

FebAug

Lamiaceae
Marrubium vulgare
Horehound

MarNov
Stachys albens
white wood mint

JulyAug
Lepechinia calycina
Pitcher Sage

FebJuly
Mentha spicata
Spearmint

JulyNov
Salvia apiana
white sage

AprSep

Oleaceae
Fraxinus dipetala
Flowering Ash

FebApr
Olea europaea
European Olive

MarJune

Orobanchaceae
Cordylanthus rigidus
Rigid Bird’s Beak

MayNov

Plantaginaceae
?Antirrhinum coulterianum
Coulter’s snapdragon

JuneAug
Antirrhinum multiflorum
Sticky snapdragon

MarAug
Collinsia bartsiifolia
white blue-eyed Mary

AprJune
Keckiella breviflora
Gaping Penstemon

JuneJuly
Plantago erecta
Foothill Plantain

FebJune
Plantago lanceolata
English Plantain

All year

Convolvulaceae
Calystegia macrostegia
Coastal Morning Glory

All year
Calystegia malacophylla
Woolly Morning Glory

MayAug
Calystegia purpurata-purpurata
Pacific false bindweed

DecAug
Convolvulus arvensis
bindweed

AprNov
Cuscuta californica
California Dodder

All year
Cuscuta salina
saltmarsh Dodder

AprFeb

Solanaceae
Datura wrightii
Sacred Datura

All year
Solanum douglasii
white nightshade

All year

Boraginaceae
Cryptantha decipiens
Gravel Popcornflower

MarApr
Cryptantha sp.
popcornflower

JanAug
Heliotropium curassavicum
Salt Heliotrope

MayNov
Eriodictyon tomentosum
Woolly yerba santa

MaySep
Eucrypta chrysanthemifolia
spotted hideseed

JanJuly
Phacelia grandiflora
large flowered phacelia

FebAug
Phacelia imbricata
Imbricate Phacelia

AprOct
Phacelia viscida-albiflora
white Sticky Phacelia

JanJuly

Cornaceae
Cornus sericea
Creek Dogwood

MarOct

Ericaceae
Arbutus menziesii
Pacific Madrone

FebMay
Arctostaphylos glandulosa
Eastwood manzanita

JanMay
Arctostaphylos glauca
great berry manzanita

NovApr
Arctostaphylos refugioensis
Refugio Manzanita

JanFeb
Comarostaphylis diversifolia
Summer Holly

FebJuly

Polemoniaceae
Gilia angelensis
Chaparral Gilia

March
Gilia capitata
Globe gilia

FebJuly
Leptosiphon parviflorus
Variable Linanthus

JanJune
Linanthus dichotomus
Evening Snow

March

Styracaceae
Styrax redivivus
Snowdrop bush

MarJune

Grossulariaceae
Ribes amarum
Bitter gooseberry

JanMar
Ribes californicum
Hillside gooseberry

FebMar
Ribes indecorum
White-flowering currant

DecFeb
Ribes menziesii
Canyon Gooseberry

DecMar

Saxifragaceae
Boykinia occidentalis
Brook Foam

JuneSep
Lithophragma affine
Woodland Star

MarMay
Lithophragma cymbalaria
Mission Star

FebMay
Micranthes californica
California Saxifrage

FebMay

Amaranthaceae
Atriplex lentiformis
Big Saltbush

MaySep
Atriplex leucophylla
Dune Saltbush

DecMay
Chenopodium berlandieri
Pit Seed Goosefoot

DecMar
Chenopodium californicum
Soap Plant

FebMay
Extriplex californica
California Saltbush

June
Salsola tragus
Tumbleweed

MarDec

Caryophyllaceae
Minuartia douglasii
Douglas’s Sandwort

MarApr
Silene gallica
Windmill Pink

JanJuly
Spergularia villosa
Hairy Sand Spurrey

April
Stellaria media
chickweed

DecJune

Montiaceae
Claytonia perfoliata
miner’s lettuce

JanJune

Polygonaceae
?Eriogonum baileyi
Bailey’s Buckwheat

MayDec
Eriogonum elongatum
Longstem Buckwheat

JulyJan
Eriogonum fasciculatum
California Buckwheat

FebDec
Eriogonum giganteum
St. Catherine’s lace

MayAug
Eriogonum nudum
Nude Buckwheat

JuneDec
Eriogonum parvifolium
Seacliff Buckwheat

All year
Eriogonum saxatile
Rock Buckwheat

June
Eriogonum viridescens
Bright Green Buckwheat

June
Pterostegia drymarioides
Fairy Mist

FebMay

Brassicaceae
Capsella bursa-pastoris
Shepherd’s purse

JanMay
Cardamine californica
milk maids

DecMay
Cardamine oligosperma
bittercress

JanApr
Caulanthus lasiophyllus
California mustard

FebJune
Draba verna
Spring Whitlow Grass

MarApr
Lepidium nitidum
Common Peppergrass
Lobularia maritima
Sweet Alyssum

DecJune
Nasturtium officinale
watercress

FebDec
Raphanus ssp
wild radish

All year
Thysanocarpus curvipes
Fringe Pod

FebMay

Malvaceae
Malvella leprosa
Alkali mallow

MayNov

Myrtaceae
Eucalyptus globulus
Blue gum

OctApr

Onagraceae
Clarkia epilobiodes
Willow Herb Clarkia

MarMay
Gaura coccinea
Linda tarde

MarOct

Anacardiaceae
Malosma laurina
Laurel sumac

January
Rhus integrifolia
Lemonade Berry

SepApr
Rhus ovata
Sugar sumac

FebJune
Toxicodendron diversilobum
poison oak

DecMay

Sapindaceae
Acer macrophyllum
big-leaved maple

FebApr

Cucurbitaceae
Marah fabaceus
common manroot

NovJune

Datiscaceae
Datisca glomerata
Durango Root

AprJuly

Fabaceae
Lathyrus vestitus
common pacific pea

SepJune
Vicia villosa
Hairy Vetch

DecJuly
Astragalus filipes
Milkvetch

FebJune
Lupinus bicolor
miniature lupine

FebJune
Lupinus chamissonis
Dune lupine

FebOct
Lupinus hirsutissimus
stinging lupine

JanJune
Lupinus nanus
sky lupine

FebJune
Lupinus succulentus
arroyo lupine

DecJuly
Acmispon grandiflorus
Chaparral lotus

DecJune
Hosackia crassifolia
big deervetch

June
Rupertia physodes
California Tea

MayJune
Melilotus albus
white sweet clover

All year

Betulaceae
Alnus rhombifolia
white alder

DecFeb

Fagaceae
Quercus agrifolia
Coast live oak

JanMay
Quercus douglasii
Blue Oak

FebMar
Quercus lobata
Valley Oak

FebMar
Quercus sp
Scrub Oak

FebMay

Rhamnaceae
Ceanothus crassifolius
Hoary-leaved Ceanothus

JanJune
Ceanothus cuneatus
Buck-brush

JanApr
Ceanothus megacarpus
Bigpod Ceanothus

DecJune
Rhamnus californica
Coffee Berry

AprJuly
Rhamnus crocea
Spiny Redberry

FebMar
Rhamnus ilicifolia
Holly-leaved Redberry

FebMay

Rosaceae
Adenostoma fasciculatum
Chamise

MarSep
Cercocarpus betuloides
Mountain Mahogany

FebJune
Drymocallis glandulosa
Sticky Potentilla

MarJune
Heteromeles arbutifolia
Toyon

FebDec
Holodiscus discolor
Rockspiraea

MayJuly
Horkelia cuneata
Wedge-leaved horkelia

MarJune
Prunus ilicifolia
Holly-leaved cherry

JanJune
Rubus ursinus
california blackberry

DecJuly

Urticaceae
Urtica dioica
Stinging Nettle

MayOct

Euphorbiaceae
Croton californicus
California croton

All year
Croton setigerus
Dove weed

MayDec
Euphorbia crenulata
Chinese Caps

JanMay
Euphorbia dendroides
Tree Spurge

JanJune
Ricinus communis
Castor bean

All year

Linaceae
Hesperolinon micranthum
Common Dwarf Flax

MayJune

Salicaceae
Populus fremontii
Freemont cottonwood

March
Populus trichocarpa
Black cottonwood

FebMar
Salix exigua
Sandbar Willow
Salix lasiolepis
Arroyo Willow

JanMar

Papaveraceae
Ehrendorferia ochroleuca
Cream-flowered Eardrops

April
Fumaria officinalis
Drug fumitory

MarMay
Fumaria parviflora
fine leaved fumitory

JanApr
Meconella denticulata
Smallflowered Fairypoppy

MarApr
Platystemon californicus
Cream Puffs

MarMay

Ranunculaceae
Clematis lasiantha
wild clematis

JanMay
Clematis ligusticifolia
Creek Clematis

JuneNov
Thalictrum fendleri
Fendler’s Meadow-rue

FebMay

Lauraceae
Umbellularia californica
california bay laurel

DecApr

Saururaceae
Anemopsis californica
Yerba mansa

May

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