California Wildflowers
California has an amazing variety of wildflowers. Here’s my collection of California native wildflower photos, gathered from all over the state, but with an emphasis on Northern California (where I live). You may also be interested in my California Wildflower Hikes page, where I write about some of the hikes you can take to find these wildflowers. All photos are available for purchase in a variety of formats.
“Endemic” indicates that the flower is found only in California.
You can filter the photos by clicking on the color buttons below.
Adobe lily
Adobe lily, Fritillaria pluriflora. CNPS rank 1B.2
Alkali milkvetch
Alkali milkvetch, Astragalus tener var. tener. CNPS Rank 1B.2
Alpine lily
Alpine lily (aka Sierra tiger lily), Lilium parvum
Alpine shooting star
Primula tetrandra, Oyster Creek CA. Native
American alpine speedwell
American alpine speedwell, Veronica wormskjoldii
American bird's foot trefoil
American bird's foot trefoil, Acmispon americanus var. americanus
American bistort
American bistort, Bistorta bistortoides
American yellowrocket
American yellowrocket, Barbarea orthoceras
Anderson's thistle
Cirsium andersonii, Oyster Creek CA. Native
Annual mountain dandelion
Annual mountain dandelion, Agoseris heterophylla
Antelope bitterbrush
Antelope bitterbrush, Purshia tridentata var. tridentata
Arrowleaf balsamroot
Arrowleaf balsamroot, Balsamorhiza sagittata
Arrowleaf Senecio
Senecio triangularis, Oyster Creek CA. Native
Arroyo lupine
Arroyo lupine, Lupinus succulentus
Azure penstemon
Azure penstemon, Penstemon azureus
Baby blue eyes
Baby blue eyes, Nemophila menziesii var. menziesii
Baker's navarretia
Navarretia leucocephala ssp. bakeri, listed as CNPS 1B.1 Rare or endangered, native
Baker's violet
Baker's violet, Viola bakeri
Bigelow's sneezeweed
Bigelow's sneezeweed, Helenium bigelovii
Bigleaf lupine
Lupinus latifolius, Oyster Creek CA. Native
Birch leaf mountain mahogany
Birch leaf mountain mahogany, Cercocarpus betuloides
Bird's eye gilia
Bird's eye gilia, Gilia tricolor
Bitter root
Bitter root, Lewisia rediviva
Blow Wives
Achyrachaena mollis, native. Seed head
Blow wives
Achyrachaena mollis, native. Flower form.
Blue dicks
Dichelostemma capitatum, native
Blue eyed grass
Sisyrinchium bellum, unusual white variation
Bolander's linanthus
Bolander's linanthus, Leptosiphon bolanderi
Brewer's navarretia
Brewer's navarretia, Navarretia breweri
Bridges' pincushionplant
Bridges' pincushionplant, Navarretia leptalea ssp. bicolor
Bright blue speedwell
Bright blue speedwell, Veronica serpyllifolia ssp. humifusa
Broadleaf stonecrop
Broadleaf stonecrop, Sedum spathulifolium
Brook saxifrage
Brook saxifrage, Micranthes odontoloma
Brown's peony
Brown's peony, Paeonia brownii
Bud saxifrage
Bud saxifrage, Micranthes bryophora
Bulbous woodland star
Bulbous woodland star, Lithophragma glabrum
Butter 'n' Eggs
Triphysaria eriantha ssp eriantha, native. aka Johnny Tuck
California blushing monkeyflower
California blushing monkeyflower, Erythranthe erubescens
California bog asphodel
California bog asphodel, Narthecium californicum
California buttercup
California buttercup, Ranunculus californicus var. californicus
California golden violet
California golden violet, Viola pedunculata
California goldfields
California goldfields, Lasthenia californica ssp. californica
California hesperochiron
California hesperochiron (aka meadow stars), Hesperochiron californicus
California Lady's Slipper
Cypripedium californicum, CNPS 4.2. Quincy, CA. Native
California Manroot
California Manroot, Marah fabacea
California pink
California pink, Silene laciniata ssp. californica
California Pitcher Plant
California Pitcher Plant, Darlingtonia californica. CNPS 4.2
California Pitcher Plant
California Pitcher Plant, Darlingtonia californica. CNPS 4.2
California poppy
California poppy, Eschscholzia californica
California Saxifrage
California Saxifrage, Micranthes californica
California Tiger Lily
aka Leopard Lily, Lilium pardalinum, Mt. Shasta, CA. Native
California valerian
California valerian, Valeriana californica
Canary violet
Canary violet, Viola praemorsa
Canyon liveforever
Canyon liveforever, Dudleya cymosa ssp. cymosa
Canyon nemophila
Canyon nemophila, Nemophila heterophylla
Catalina mariposa lily
Catalina mariposa lily, Calochortus catalinae, CNPS rank 4.2
Chamise
Chamise, Adenostoma fasciculatum
Changeable phacelia
Changeable phacelia, Phacelia mutabilis
Checker lily
Checker lily, Fritillaria affinis
Chia Sage
Chia Sage, Salvia columbariae
Chick Lupine
Lupinus microcarpus var microcarpus, native
Chilean trefoil
Chilean trefoil, Acmispon wrangelianus
Chilean Trefoil
Acmispon wrangelianus, native
Coast lily
Lilium maritimum, CNPS rated 1B.1, Salt Point State Park, CA. Native, endemic
Coast range mariposa lily
Coast range mariposa lily, Calochortus vestae
Coastal paintbrush
Coastal paintbrush, Castilleja affinis
Coastal tidytips
Coastal tidytips, Layia platyglossa
Common beargrass
Common beargrass, Xerophyllum tenax
Common cowparsnip
Heracleum maximum, Oyster Creek CA. Native. Gives some people a rash.
Common Fiddleneck
Common Fiddleneck, Amsinckia menziesii
Common lomatium
Common lomatium, Lomatium utriculatum
Common madia
Common madia, Madia elegans
Common Manzanita
Common Manzanita, Arctostaphylos manzanita ssp. manzanita
Common Spikerush
Eleocharis macrostachya, native
Common woolly sunflower
Common woolly sunflower, Eriophyllum lanatum
Common Yarrow
Common Yarrow, Achillea millefolium
Copeland's owl's clover
Copeland's owl's clover, Orthocarpus cuspidatus ssp. copelandii
Cotton grass
Cotton grass, Calliscirpus criniger
Coulter's fleabane
Coulter's fleabane, Erigeron coulteri
Cowbag Clover
Trifolium depauperatum var amplectens, native, endemic
Coyote mint
Coyote mint, Monardella odoratissima
Coyote Thistle
Eryngium vaseyi, native
Cream Cups
Cream Cups, Platystemon californicus
Cream sacs
Castilleja rubicundula ssp. lithospermoides, native
Cream sacs
Cream sacs, Castilleja rubicundula ssp. rubicundula
Crimson columbine
Aquilegia formosa, Crooked Lakes, California, native
Crimson columbine
Crimson columbine, Aquilegia formosa
Crown brodiaea
Crown brodiaea, Brodiaea coronaria
Cupped downingia
Downingia insignis, native
Cushion cryptantha
Cushion cryptantha, Cryptantha circumscissa
Dark-stained Prettyface
Dark-stained Prettyface, Triteleia ixioides ssp. unifolia
Deerbrush
Deerbrush, Ceanothus integerrimus var. macrothyrsus
Diogenes' lantern
aka Golden fairy lantern. Calochortus amabilis, in the burned area of Sugarloaf Ridge State Park, CA. Native, endemic
Donner Lake lupine
Donner Lake lupine, Lupinus lepidus var. sellulus
Dotseed plantain
Dotseed plantain, Plantago erecta
Douglas iris, Iris douglasiana
Douglas iris, Iris douglasiana
Douglas' Beardstyle
Pogogyne douglasii, native
Douglas' golden violet,
Douglas' golden violet, Viola douglasii
Douglas' silverpuffs
Microseris douglasii ssp. douglasii seed head, native
Douglas' silverpuffs
Douglas' silverpuffs, Microseris douglasii
Douglas' stitchwort
Douglas' stitchwort, Minuartia douglasii
Douglas's catchfly
Douglas's catchfly, Silene douglasii var. douglasii
Drummond's anemone
Drummond's anemone, Anemone drummondii var. drummondii
Dusky onion
Dusky onion, Allium campanulatum
Dusty-Maidens
Dusty-Maidens, Chaenactis douglasii var. douglasii
Dwarf checkerbloom
Dwarf checkerbloom, Sidalcea malviflora ssp. malviflora
Dwarf groundsmoke
Dwarf groundsmoke, Gayophytum humile
Dwarf larkspur
Dwarf larkspur, Delphinium depauperatum
Dwarf sack clover
aka Cowbag clover. Trifolium depauperatum var. depauperatum, native
Dwarf woolly marbles
Dwarf woolly marbles, Psilocarphus brevissimus var. brevissimus
English sundew
Drosera anglica. CNPS Rated 2B.3
Eryngium jepsonii
Eryngium jepsonii. CNPS Rare Plant Rank: 1B.2, native
Fairy slipper
Calypso bulbosa var. occidentalis, aka Calypso orchid, Mt Tamalpais [FL0004]
False babystars
False babystars, Leptosiphon androsaceus
Ferris' Milkvetch
Astragalus tener var. ferrisiae, CNPS 1B.1. Very difficult to distinguish from Alkali milkvetch, Astragalus tener var. tener, which is CNPS ranked 1B.2. Both are native/endemic
Fetid adder's tongue
Fetid adder's tongue, Scoliopus bigelovii
Field popcornflower
Field popcornflower, Plagiobothrys fulvus var. campestris
Flatface downingia
Downingia pulchella, native, endemic
Folded downingia
Downingia ornatissima, native, endemic
Foothill deathcamas, Toxicoscordion paniculatum
Foothill deathcamas, Toxicoscordion paniculatum
Foothill Poppy
Eschscholzia caespitosa, Traverse Creek, CA. Native, endemic
Footsteps of spring
Footsteps of spring, Sanicula arctopoides
Fremont's goldfields
Lasthenia fremontii, aka Vernal pool goldfields, native
Fremont's Star Lily
Toxicoscordion fremontii, native
Fremont's tidytips
Fremont's tidytips, Layia fremontii
Fringed checkerbloom
Fringed checkerbloom, Sidalcea diploscypha
Fringed willowherb
Fringed willowherb, Epilobium ciliatum
Frying pans
Frying pans, Eschscholzia lobbii
Gold nuggets
Calochortus luteus, aka Yellow mariposa lily, native, endemic
Golden-eyed grass
Golden-eyed grass,
Sisyrinchium californicum
Goldwire
Goldwire, Hypericum concinnum
Goosefoot violet
Goosefoot violet, Viola purpurea ssp. quercetorum
Goosefoot violet
Goosefoot violet, Viola purpurea
Great valley coyote thistle
Great valley coyote thistle, Eryngium castrense
Gumweed
Grindelia camporum, native, endemic
Haircap moss
Haircap moss, Polytrichum sp.
Hairy owl's clover
Hairy owl's clover, Castilleja tenuis
Hartweg's iris
Hartweg's iris (aka Rainbow iris), Iris hartwegii
Harvest brodiaea
Harvest brodiaea, Brodiaea elegans ssp. elegans
Hayfield Tarweed
Hemizonia congesta, native
Hayfield tarweed
Hayfield tarweed, Hemizonia congesta ssp. lutescens
Heartleaf arnica
Heartleaf arnica, Arnica cordifolia
Heckard's Peppergrass
Lepidium latipes var heckardii, native, endemic. CNPS Rare Plant Rank: 1B.2
Hogwallow starfish
Hesperevax caulescens, aka Dwarf cudweed. CNPS rare plant 4.2 (limited distribution), native
Horned downingia
Horned downingia, Downingia bicornuta var. bicornuta. Note twisted anther bristles and two horns
Ithuriel's spear
Triteleia laxa, native. aka Wally baskets. Taller, branched head, when compared to Brodiaea
Jepson's milkvetch
Jepson's milkvetch, Astragalus rattanii var. jepsonianus. CNPS 1B.2
Jessica stickseed
Jessica stickseed, Hackelia micrantha
Jeweled onion
Jeweled onion, Allium serra
Kelloggs monkeyflower
Diplacus kelloggii (formerly Mimulus kelloggii)
Lacy phacelia
Lacy phacelia, Phacelia tanacetifolia
Ladies' tobacco
Ladies' tobacco, Pseudognaphalium californicum
Lambstongue ragwort
Lambstongue ragwort, Senecio integerrimus
Lambstongue ragwort
Lambstongue ragwort, Senecio integerrimus var. major
Large flowered star tulip
Large flowered star tulip, Calochortus uniflorus. CNPS rank 4.2
Lemmon's catchfly
Lemmon's catchfly, Silene lemmonii
Leopard lily
Leopard lily, Lilium pardalinum ssp. pardalinum
Lewis' flax
Lewis' flax, Linum lewisii var. lewisii
Little prince's pine
Little prince's pine, Chimaphila menziesii
Long leaved suncup
Long leaved suncup, Taraxia subacaulis
Long rayed brodiaea
aka Marsh triteleia. Triteleia peduncularis. Anthers at different levels
Longstalk clover
Longstalk clover, Trifolium longipes
Lupinus nanus
Sky Lupine, Lupinus nanus
Marin checker lily
Fritillaria lanceolata var. tristulis, CNPS rated 1B.1. Marin
Meadow beardtongue
Penstemon rydbergii var. oreocharis (glabrous inflorescence), Oyster Creek CA. Native
Meadow deathcamas
Meadow deathcamas, Toxicoscordion venenosum var. venenosum
Meadow foxtail
aka Pacific foxtail. Alopecurus saccatus, native. Small form found in vernal pools, is larger in grasslands
Meadow larkspur
Meadow larkspur, Delphinium nuttallianum
Meadow lupine
Meadow lupine, Lupinus polyphyllus var. burkei
Meadow penstemon
Meadow penstemon, Penstemon rydbergii var. oreocharis. White variation
Micropus californicus
Q-Tips, Micropus californicus
Milk kelloggia
Milk kelloggia, Kelloggia galioides
Milkmaids
Milkmaids, Cardamine californica
Miner's lettuce
Miner's lettuce, Claytonia perfoliata
Miniature Lupine
Lupinus bicolor, native
Mistletoe
Mistletoe, Phoradendron sp.
Monument plant
Frasera speciosa, Oyster Creek CA. Native
Monument plant
Frasera speciosa, closeup of an individual flower. Oyster Creek, CA. Native
Mosquito bill
Mosquito bill, Primula hendersonii
Mount Diablo manzanita
Mount Diablo manzanita, Arctostaphylos auriculata. CNPS Rank 1B.3
Mountain blue penstemon
Mountain blue penstemon, Penstemon laetus var. laetus
Mountain Bluebells
Mertensia ciliata, Oyster Creek CA. Native
Mountain jewelflower
Mountain jewelflower, Streptanthus tortuosus
Mountain misery
Mountain misery, Chamaebatia foliolosa
Mountain pride
Penstemon newberryi, Crooked Lakes, CA. Native
Mountain whitethorn
Mountain whitethorn, Ceanothus cordulatus
Mt. Eddy lupine
Mt. Eddy lupine, Lupinus lapidicola. CNPS 4.3
Mt. Hood pussypaws
Mt. Hood pussypaws, Calyptridium umbellatum
Muehlenberg's centaury
Muehlenberg's centaury, Zeltnera muehlenbergii
Musk monkeyflower
Musk monkeyflower, Erythranthe moschata
Naked buckwheat
Naked buckwheat, Eriogonum nudum var. oblongifolium
Naked mariposa lily
Naked mariposa lily, Calochortus nudus
Naked Mariposa Lily Cross
Naked Mariposa Lily cross, Calochortus nudus X Calochortus minimus
Narrow Leaf Mule Ears
Narrow Leaf Mule Ears, Wyethia angustifolia
Narrow-leaf Mountain Trumpet
Collomia linearis, Oyster Creek CA. Native
Narrowleaf onion
Narrowleaf onion, Allium amplectens
Nevada helianthella
Nevada helianthella, Helianthella californica var. nevadensis
Nevada lewisia
Nevada lewisia, Lewisia nevadensis
Nose skullcap
Nose skullcap, Scutellaria antirrhinoides
Oakland star tulip
Oakland star tulip, Calochortus umbellatus, CNPS 4.2
One seeded pussypaws
One seeded pussypaws, Calyptridium monospermum
Opposite leaved tarweed
Opposite leaved tarweed, Hemizonella minima
Oregon gentian
Oregon gentian, Gentiana affinis var. ovata
Oregon gumweed
Oregon gumweed, Grindelia stricta var. platyphylla
Oregon timwort
Oregon timwort, Cicendia quadrangularis
Oregon woolly marbles
Psilocarphus oregonus, native
Pacific bleeding heart
Pacific bleeding heart, Dicentra formosa
Pacific dogwood
Pacific dogwood, Cornus nuttallii
Pacific false bindweed
Pacific false bindweed, Calystegia purpurata ssp. purpurata
Pacific hound's tongue
Pacific hound's tongue, Cynoglossum grande, aka Adelinia grande
Pacific Poison Oak
Pacific Poison Oak, Toxicodendron diversilobum
Pacific starflower
Pacific starflower, Lysimachia latifolia
Pacific woodrush
Pacific woodrush, Luzula subsessilis
Padre's shooting star
Padre's shooting star, Primula clevelandii var. patula
Pale western larkspur
Pale western larkspur, Delphinium hesperium ssp. pallescens
Palmate-bracted bird's-beak
Palmate-bracted bird's-beak (aka Palmate salty bird's-beak), Chloropyron palmatum. CNPS Rank 1B.1, FE, SE
Parish's nightshade
Parish's nightshade, Solanum parishii
Parrothead indian paintbrush
Parrothead indian paintbrush, Castilleja pilosa
Pennycress
Pennycress, Noccaea fendleri, probably ssp glauca but need fruit to tell
Pine violet
Pine violet (aka Moose horn violet), Viola lobata ssp. lobata
Pineapple weed
Matricaria discoidea, native
Pink honeysuckle
Pink honeysuckle, Lonicera hispidula
Pink mountainheath
Pink mountainheath, Phyllodoce empetriformis
Pink sand verbena
Pink sand verbena, Abronia umbellata
Pipestem clematis
Pipestem clematis, Clematis lasiantha
Plantainleaf buttercup
Plantainleaf buttercup, Ranunculus alismifolius
Porterella
Porterella, Porterella carnosula
Prairie-smoke
Prairie-smoke (aka old man's whiskers), Geum triflorum var. ciliatum
Primrose monkeyflower
Primrose monkeyflower, Erythranthe primuloides
Pringle's phacelia
Pringle's phacelia, Phacelia pringlei
Purdy's fritillary
Purdy's fritillary, Fritillaria purdyi. CNPS rank 4.3
Purdy's Onion
Purdy's Onion, Allium fimbriatum var. purdyi. CNPS 4.3
Purple chinese houses
Purple chinese houses, Collinsia heterophylla
Purple owl's clover
Purple owl's clover, Castilleja exserta ssp. exserta
Purple owl's clover
Purple owl's clover, Castilleja exserta ssp. exserta. White form
Purple sanicle
Purple sanicle, Sanicula bipinnatifida
Pussy ears
Pussy ears, Calochortus tolmiei
Rannoch rush
Scheuchzeria palustris. CNPS Rated 2B.1 [FL0010]
Red Maids
Calandrinia menziesii, native
Reflexed rockcress
Reflexed rockcress, Boechera retrofracta
Ribbed fringepod
Ribbed fringepod, Thysanocarpus radians
Ribbed fringepod
Ribbed fringepod, Thysanocarpus radians. Sharp bend in pedicel at fruit
Rocky mountain pussytoes
Rocky mountain pussytoes, Antennaria media
Roezl's penstemon
Roezl's penstemon,
Penstemon roezlii
Rose meadowsweet
Rose meadowsweet, Spiraea splendens
Rosy meadowfoam
Limnanthes douglasii ssp. rosea, native
Rosy pussytoes
Rosy pussytoes, Antennaria rosea
Rough hedgenettle
Rough hedgenettle, Stachys rigida
Royal Larkspur
Royal Larkspur, Delphinium variegatum
Rusty popcornflower
Rusty popcornflower, Plagiobothrys nothofulvus
Sacramento Valley Buttercup
Ranunculus canus, native, endemic
Saffron flowered lupine
Saffron flowered lupine, Lupinus croceus
Sanddune wallflower
Sanddune wallflower, Erysimum capitatum var. capitatum
Sanddune wallflower
Sanddune wallflower, Erysimum perenne
Scabland fleabane
Scabland fleabane, Erigeron bloomeri var. bloomeri
Scarlet fritillary
Scarlet fritillary, Fritillaria recurva
Scarlet Gilia
Ipomopsis aggregata, Oyster Creek CA. Native
Scarlet paintbrush
Scarlet paintbrush, Castilleja miniata ssp. miniata
Scott mountain phacelia
Scott mountain phacelia, Howellanthus dalesianus. CNPS rank 4.3
Scytheleaf onion
Scytheleaf onion, Allium falcifolium
Seaside buckwheat
Seaside buckwheat, Eriogonum latifolium
Seep monkey flower
Seep monkey flower, Erythranthe guttata
Shasta lily
Shasta lily, Lilium pardalinum ssp. shastense
Shining Peppergrass
Lepidium nitidum, native
Showy milkweed
Showy milkweed, Asclepias speciosa
Shrubby cinquefoil
Shrubby cinquefoil, Dasiphora fruticosa
Sierra Bog Orchid
Platanthera dilatata var. leucostachys. closeup of the individual flower. Oyster Creek CA. Native
Sierra larkspur
Sierra larkspur, Delphinium glaucum
Sierra mariposa lily
Sierra mariposa lily, Calochortus minimus
Sierra milkwort
Sierra milkwort, Polygala cornuta
Sierra mock stonecrop
Sierra mock stonecrop, Sedella pumila
Sierra shooting star
Sierra shooting star, Primula jeffreyi
Sierra stonecrop
Sierra stonecrop, Sedum obtusatum
Sierran rush
Sierran rush, Juncus nevadensis var. nevadensis
Silver beachweed
Silver beachweed, Ambrosia chamissonis
Silver bush lupine
Silver bush lupine, Lupinus albifrons
Siskiyou buckwheat
Siskiyou buckwheat, Eriogonum siskiyouense. CNPS Rank 4.3
Siskiyou milkvetch
Siskiyou milkvetch, Astragalus whitneyi var. siskiyouensis
Sisyrinchium elmeri
Sisyrinchium elmeri
Slender bog orchid
Slender bog orchid, Platanthera stricta. Note lower lip is not as long/skinny as P. sparsiflora
Slender cinquefoil
Potentilla gracilis, Oyster Creek CA. Native
Slender cinquefoil
Slender cinquefoil, Potentilla gracilis var. fastigiata
Slender phlox
Slender phlox, Microsteris gracilis
Small camas
Small camas, Camassia quamash ssp. breviflora
Small flowered blue eyed mary
Small flowered blue eyed mary, Collinsia parviflora
Small Flowered Star Lily
Small Flowered Star Lily, Toxicoscordion micranthum
Smooth goldfields
Smooth goldfields, Lasthenia glaberrima
Smooth mule-ears
Smooth mule-ears, Wyethia glabra
Smooth tidytips
Smooth tidytips, Layia chrysanthemoides
Snowplant
Sarcodes sanguinea, Oyster Creek CA. Native
Soft salty bird's-beak
Soft salty bird's-beak, Chloropyron molle ssp. molle. CNPS 1B.2, FE, SR
Sonoma clarkia
Sonoma clarkia, Clarkia gracilis ssp. sonomensis
Sparse flowered bog orchid
Sparse flowered bog orchid, Platanthera sparsiflora
Spearleaf arnica
Spearleaf arnica, Arnica longifolia
Spicebush
Spicebush (aka Western sweet shrub), Calycanthus occidentalis
Spikeweed
Centromadia fitchii, native
Spreading dogbane
Spreading dogbane, Apocynum androsaemifolium
Spreading phlox
Phlox diffusa, Spreading phlox
St. Helena fawn lily
Erythronium helenae, CNPS rated 4.2, Modini-Mayacamas Reserve, California. Native, endemic
Stalked Popcornflower
Plagiobothrys stipitatus var stipitatus, native. Larger flowers
Starry false lily of the valley
Starry false lily of the valley, Maianthemum stellatum
Sticky cinquefoil
Sticky cinquefoil, Drymocallis glandulosa
Sticky cinquefoil
Sticky cinquefoil, Drymocallis glandulosa
Sticky cinquefoil
Sticky cinquefoil, Drymocallis glandulosa var. glandulosa
Sticky monkeyflower
Sticky monkeyflower (aka bush monkeyflower), Diplacus aurantiacus
Sticky monkeyflower
Sticky monkeyflower, Diplacus grandiflorus
Stream violet
Stream violet, Viola glabella
Streambank Bird's-foot Trefoil
Streambank Bird's-foot Trefoil, Hosackia oblongifolia var. oblongifolia
Suisun thistle
Suisun thistle, Cirsium hydrophilum var. hydrophilum. CNPS 1B.1, FE
Sun cup
Sun cup, Taraxia ovata
Superb mariposa lily
Superb mariposa lily, Calochortus superbus
Sweet cicely
Sweet cicely, Osmorhiza berteroi
Table Mountain Meadowfoam
Table Mountain Meadowfoam, Limnanthes douglasii ssp. nivea. AKA Snow white meadowfoam
Tarweed fiddleneck
Amsinckia lycopsoides, native
The Eddys stonecrop
The Eddys stonecrop, Sedum kiersteadiae
Thread linanthus
Thread linanthus Leptosiphon filipes
Tiburon mariposa lily
Calochortus tiburonensis. CNPS 1B.1 and Federally listed as "Threatened". Ring Mountain
Tiling's Monkeyflower
Erythranthe tilingii, Oyster Creek, CA. Native
Tinker's penny
Tinker's penny, Hypericum anagalloides
Toad lily
Toad lily, Montia chamissoi
Tomcat clover
Trifolium willdenovii, native
Torrey's blue eyed mary
Torrey's blue eyed mary, Collinsia torreyi
Torrey's monkeyflower
Torrey's monkeyflower, Diplacus torreyi
Toyon
Toyon, Heteromeles arbutifolia
Tricolored Monkeyflower, native
Diplacus tricolor, formerly Mimulus tricolor
True babystars
True babystars, Leptosiphon bicolor
Tuber starwort
Tuber starwort, Pseudostellaria jamesiana
Tundra aster
Tundra aster, Oreostemma alpigenum var. andersonii
Turkey Mullein
Croton setiger, native
Turkey pea
Turkey pea, Sanicula tuberosa
Turkey Tangle Fogfruit,
Phyla nodiflora, native
Utah service berry
Utah service berry, Amelanchier utahensis
Valley Tassels
Castilleja attenuata, native
Variableleaf collomia
Variableleaf collomia, Collomia heterophylla
Varied leaf Phacelia
Varied leaf Phacelia, Phacelia heterophylla ssp. virgata
Vernal pool brodiaea
Vernal pool brodiaea, Brodiaea minor
Vernal pool buttercup
Vernal pool buttercup, Ranunculus bonariensis var. trisepalus. The entire flower is just 10mm across
Vernal pool checkerbloom
Vernal pool checkerbloom, Sidalcea calycosa
Vernal Pool Popcornflower
Plagiobothrys stipitatus var micranthus, native. Small flowers
Virginia strawberry
Virginia strawberry, Fragaria virginiana
Warrior's plume
Warrior's plume, Pedicularis densiflora
Washington lily
Washington lily, Lilium washingtonianum ssp. washingtonianum
Wavy leaf paintbrush
Wavy leaf paintbrush, aka Martin's paintbrush, Castilleja applegatei ssp. martinii
Wavy leaved indian paintbrush
Wavy leaved indian paintbrush, Castilleja applegatei ssp. pinetorum
Wavyleaf indian paintbrush
Wavyleaf indian paintbrush, Castilleja applegatei ssp. pallida
Waxy checkerbloom
Sidalcea glaucescens, Mormon Emigrant Trail, CA. Native
Western blue eyed grass
Western blue eyed grass, Sisyrinchium bellum
Western dog violet
Western dog violet, Viola adunca ssp. adunca
Western false asphodel
Western false asphodel, Triantha occidentalis ssp. occidentalis
Western labrador tea
Western labrador tea, Rhododendron columbianum
Western thimbleberry
Western thimbleberry, Rubus parviflorus
Western trillium
Western trillium, Trillium ovatum
Western waterleaf
Western waterleaf, Hydrophyllum occidentale
Whiskerbrush
Whiskerbrush, Leptosiphon ciliatus
White hawkweed
White hawkweed, Hieracium albiflorum
White marsh marigold
White marsh marigold, Caltha leptosepala
White meadowfoam
White meadowfoam, Limnanthes alba ssp. alba
White rushlily
White rushlily, Hastingsia alba
White tipped clover
White tipped clover, Trifolium variegatum
White veined wintergreen
White veined wintergreen, Pyrola picta
Whitehead Navarretia
Whitehead Navarretia, Navarretia leucocephala
Whitewhorl lupine
Whitewhorl lupine, Lupinus microcarpus var. densiflorus
Wild hyacinth
Wild hyacinth, Triteleia hyacinthina
Wild hyacinth
Wild hyacinth, Dichelostemma multiflorum
Winecup clarkia
Winecup clarkia, Clarkia purpurea
Woodbeauty
Woodbeauty, Drymocallis lactea (not sure of subspecies)
Woodland madia
Woodland madia, Anisocarpus madioides
Woodland Tidytips
Woodland Tidytips, Layia gaillardioides
Woolly indian paintbrush
Woolly Indian paintbrush, Castilleja foliolosa
Woolly mule ears
Woolly mule ears, Wyethia mollis
Woolly rose-mallow
Woolly rose-mallow, Hibiscus lasiocarpos var. occidentalis. CNPS Rare Plant rank 1B.2
Yellow carpet
Blennosperma nanum var. nanum, native, endemic
Yellow owl's clover
Castilleja campestris, Jepson Prairie, CA. Native
Yellow Rayed Goldfields
Lasthenia glabrata ssp glabrata, native, endemic
Yellow star tulip
Yellow star tulip, Calochortus monophyllus
Yerba buena
Yerba buena, Clinopodium douglasii