Yellow

white yellow blue brown red
yellow flowers

Asparagaceae

Bloomeria crocea
Common goldenstar

AprJuly

Liliaceae

Calochortus clavatus
Pale Yellow Mariposa Lily

AprJune
Calochortus fimbriatus
Late blooming Mariposa lily

JuneAug
Fritillaria ojaiensis
Ojai fritillary

MarMay
Lilium humboldtii
humboldt’s lily

MayJuly

Apiaceae

Foeniculum vulgare
fennel

JuneMar
Sanicula arguta
Sharp-Toothed Sanicle

FebMay
Sanicula crassicaulis
Pacific Sanicle

FebMay
Sanicula tuberosa
Tuberous Sanicle

FebApr
Lomatium dasycarpum
Woolly-fruited Lomatium

FebJune
Lomatium utriculatum
Hog Fennel

FebMay
Tauschia arguta
southern tauscia

JanJune

Asteraceae

Cotula coronopifolia
Brass Buttons

All year
Matricaria discoidea
pineapple weed

FebJune
Ericameria arborescens
goldenfleece

JulyNov
Ericameria ericoides
Mock Heather

JulyApr
Ericameria linearifolia
Interior Goldenbush

March
Ericameria nauseosa
Common Rabbit Brush

JanFeb
Grindelia hirsutula
Hairy Gumplant

June
Gutierrezia californica
California Matchweed

JulyDec
Hazardia squarrosa
sawtooth goldenbush

JulyJan
Heterotheca grandiflora
telegraph weed

All year
Heterotheca sessiliflora
Hairy Golden Aster

March
Isocoma menziesii
Menzies’ goldenbush

All year
Rigiopappus leptocladus
Wireweed

April
Solidago velutina
California goldenrod

All year
Chaenactis glabriuscula
Yellow Pincushion

MarJuly
Bidens pilosa
Beggar’s ticks

All year
Brickellia californica
California Brickellbush

MayDec
Helenium puberulum
Sneezeweed

JulyNov
Ambrosia chamissonis
beach-bur

JanNov
Encelia californica
Bush sunflower

All year
Eriophyllum confertiflorum
golden yarrow

All year
?Lasthenia gracilis
Common Goldfields

FebApr
Madia elegans
Common Madia

JuneNov
Madia gracilis
slender tarweed

AprJuly
Madia sativa
Coast tarweed

AprOct
Achyrachaena mollis
Blow Wives
Lagophylla ramosissima
Branching Hareleaf

MayJune
Layia platyglossa
Tidy Tips

MarApr
Centromadia parryi
Southern tarplant

MayFeb
Deinandra fasciculata
clustered tarweed

AprDec
Deinandra increscens
Grassland tarweed

MayJan
Venegasia carpesioides
canyon sunflower

All year
Delairea odorata
Cape Ivy

NovJune
Lepidospartum squamatum
Scalebroom

AugDec
Senecio flaccidus
threadleaf ragwort

March
Senecio vulgaris
Old man of Spring

DecMay
Centaurea melitensis
Maltese star thistle

JanOct
Centaurea solstitialis
Yellow star thistle

MarDec
Agoseris grandiflora
California Dandelion

MarJuly
Agoseris heterophylla
Mountain Dandelion

AprJune
Chondrilla juncea
Skeleton Weed

June
Hieracium argutum
Southern Hawkweed

MayOct
Hypochaeris glabra
Smooth Cat’s ear

JanJune
Hypochaeris radicata
Hairy Cat’s ear

All year
Lactuca serriola
Prickly Lettuce

MayJan
Microseris douglassii
Douglas’ silverpuffs

AprJune
Picris echioides
Prickly ox-tongue

All year
Sonchus sp.
Sow-Thistle

All year
Taraxacum officionale
Dandelion

FebAug
Tragopogon dubius
Yellow Salsify

MayJuly
Uropappus lindleyi
Silver Puffs

MarJune
Jaumea carnosa
Fleshy Jaumea

MayNov
Leptosyne bigelovii
Bigelow’s coreopsis

FebJuly

Orobanchaceae

Orobanche fasciculata
Clustered Broomrape

MarMay

Phrymaceae

Mimulus aurantiacus
sticky monkeyflower

JanSep
Mimulus brevipes
yellow monkeyflower

FebJuly
Mimulus guttatus
common monkeyflower

June

Scrophulariaceae

Verbascum virgatum
Wand Mullein

All year

Solanaceae

Nicotiana glauca
tree tobacco

All year

Boraginaceae

Amsinckia douglasiana
Douglas’ Fiddleneck

FebJune
Amsinckia menziesii
common Fiddleneck

FebJune
Amsinckia spectabilis
seaside Fiddleneck

FebJuly
Amsinckia tessellata
bristly fiddleneck

March
Emmenanthe penduliflora
Whispering Bells

FebJune

Loasaceae

Mentzelia laevicaulis
Giant Blazing Star

June
Mentzelia micrantha
Stick-Leaf

MarJuly
Mentzelia veatchiana
Veatch’s Blazing Star

March

Aizoaceae

Carpobrotus edulis
Hottentot Fig

All year

Amaranthaceae

Salicornia pacifica
Pickleweed

AugSep

Portulacaceae

Portulaca oleracea
Common Purslane

April

Brassicaceae

Brassica nigra
black mustard

DecJuly
Brassica rapa
field mustard

All year
Descurainia pinnata
Western Tansy Mustard

FebMay
Hirschfeldia incana
Summer Mustard

FebDec
Sisymbrium irio
London Rocket

JanJune
Sisymbrium officinale
Hedge Mustard

FebJune
Tropidocarpum gracile
Slender Tropidocarpum

FebMar

Cleomaceae

Cleome isomeris
Bladderpod

JanJune

Tropaeolaceae

Tropaeolum majus
Nasturtium

All year

Cistaceae

Helianthemum scoparium
Common Rush-Rose

All year

Malvaceae

Fremontodendron californicum
Flannelbush

JanNov

Onagraceae

Camissonia strigulosa
Sandysoil Suncup

MarMay
Camissoniopsis cheiranthifolia
Beach Evening Primrose

All year
Eulobus californicus
California suncup

JanAug
Oenothera elata
Evening Primrose

All year

Anacardiaceae

Rhus trilobata
Skunkbush

FebMay

Cucurbitaceae

Cucurbita foetidissima
Calabazilla

MayDec

Fabaceae

Genista monspessulana
French broom

FebAug
Lupinus microcarpus-densiflorus
Chick lupine

MarJune
Acmispon brachycarpus
Short Podded Lotus

AprMay
Acmispon glaber
Deerweed

All year
Acmispon grandiflorus
Chaparral lotus

DecJune
Acmispon maritimus
Coastal Lotus

JanJuly
Lotus corniculatus
Birdsfoot Trefoil

DecJune
Medicago polymorpha
Bur Clover

May
Melilotus indicus
yellow sweet clover

SepJuly

Rosaceae

Drymocallis glandulosa-reflexa
Reflexed Sticky Cinquefoil

AprMay

Violaceae

Viola pedunculata
Johnny jump-up

FebMay

Oxalidaceae

Oxalis corniculata
Yellow Sorrel

DecJune
Oxalis pes-caprae
sourgrass

NovJune

Berberidaceae

Berberis pinnata
California barberry

FebMay

Papaveraceae

Dendromecon rigida
Bush poppy

All year
Ehrendorferia chrysantha
Golden Eardrops

All year
Eschscholzia caespitosa
Tufted Poppy

JanSep

Ranunculaceae

Ranunculus californicus
California Buttercup

JanMay

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