Bay Area Hiker: Yellow wildflowers
Yellow wildflowers
(click on any image for a larger view)

Look for other wildflowers, by color:
Red (and brown and orange)
White (and cream)
Blue
Purple (and pink)

California buttercup
California buttercup
(Ranunculus californicus), winter, Milagra Ridge
View more California buttercup photos

Suncups Suncups (Camissonia ovata), spring, Summit Loop Trail, San Bruno Mountain State and County Park
View more suncups photos

Johnny tuck photo
Johnnytuck (Triphysaria eriantha ssp. eriantha), late winter, Hunting Hollow Road, Henry W. Coe State Park
View more johnnytuck photos

Goldenfields
Goldenfields (Lasthenia californica), spring, Summit Loop Trail, San Bruno County Park
View more goldenfields photos

Golden fairy lantern photo
Mount Diablo fairy-lanterns (Calochortus pulchellus), spring, Curry Canyon Road, Mount Diablo State Park

Yellow bush lupine photo
Yellow bush lupine (Lupinus arboreus), late spring, Fort Funston

Mule ear sunflowers
Mule ear sunflowers (Wyethia glabra), spring, Sneath Lane Trail, Sweeney Ridge

Golden brodiaea
Golden brodiaea (Triteleia ixioides), spring, Zane Gray Cutoff, Wilder Ranch State Park

Bermuda sorrel
Bermuda buttercup (Oxalis pes-caprae), spring, Fort Funston

False lupine photo
California falselupine (Thermopsis macrophylla), spring, Rocky Ridge Fire Road, Mount Tamalpais

Stream violet
Stream Violet (Viola glabella), spring, Gary Giacomini Open Space Preserve

Douglas's microseris
Douglas's microseris (Microseris douglasii ssp. douglasii), spring, Clarkia Trail, Edgewood Park and Preserve

Radishroot woodsorrel
Hairy wood-sorrel (Oxalis albicans ssp. pilosa), spring, Montara Mountain Trail, San Pedro Valley Park

Yellow star thistle
Yellow star thistle (Centaurea solstitialis), summer, Wildcat Canyon Trail, Wildcat Canyon Regional Park

Birdsfoot lotus
Birdsfoot lotus (Lotus corniculatus), spring, Mezue Trail, Wildcat Canyon Regional Park

Johnny-jump-ups
Johnny-jump-ups (Viola pedunculata), spring, Thermalito Trail, Pleasanton Ridge Regional Park
View more Johnny-jump-ups photos

Tidytips photo
Tidytips
(Layia platyglossa), spring, Clarkia Trail, Edgewood Park and Preserve
View more tidytips photos

Lizardtail
Golden Yarrow (Eriophyllum confertiflorum), spring, Green Gulch Trail, Marin Headlands

San Franciscan wallflower
San Franciscan wallflower (Erysimum franciscanum), spring, North Peak Access Road, McNee Ranch State Park

Mustard
Mustard (Brassica), spring, Fort Funston

Woodland monolopia
Woodland monolopia (Monolopia gracilens), spring, Clarkia Trail, Edgewood Park and Preserve

Seep monkeyflower
Seep monkeyflower (Mimulus guttatus), spring, Santa Teresa County Park

Rosilla
Rosilla (Helenium puberulum), late spring, Soda Gulch Trail, Purisima Creek Redwoods Open Space Preserve

Primrose
Beach primrose (Camissonia cheiranthifolia), summer, Pescadero Marsh

Yellow glandweed
Yellow glandweed (Parentucellia viscosa), late spring, Sneath Lane Trail, Sweeney Ridge

Moth mullein
Moth mullein (Verbascum blattaria), late spring, Corte Madera Trail, Arastradeo Preserve
Fiddlenecks
Common fiddlenecks (Amsinckia menziesii var. intermedia), spring, Black Oak Trail, Briones Regional Park
View more fiddlenecks photos

Mariposa lily photo
Yellow Mariposa Lily (Calochortus luteus), spring, Mount Diablo State Park
View more yellow mariposa lily photos

Creamsacs
Creamsacs (Castilleja rubincundula), spring, Skywalker Easement

Bush poppy photo
Bush poppy (Dendromecon rigida), late spring, Pine Tail, Henry Cowell Redwoods State Park

Yellow-eyed grass
Yellow-eyed grass (Sisyrinchium californicum), late spring, Johnstone Trail, Tomales Bay State Park

Coast arnica
Coast arnica (Arnica discoidea), late spring, Resolution Trail, El Corte de Madera Creek Open Space Preserve

Footsteps of spring photo
Footsteps of spring (Sanicula arctopoides), spring, Quail Loop Trail, Junipera Serro County Park

Meadowfoam photo
Douglas Meadowfoam (Limnanthes douglasii ssp. douglasii), spring, Michako Trail, Mount Burdell Open Space Preserve

Trefoil photo
Coast lotus (Lotus formosissimus), spring, Estero Trail, Point Reyes National Seashore

Yellow sand verbena
Yellow sand verbena (Abronia latifolia), late spring, Fort Funston

Coast tarweed
Coast tarweed (Madia sativa), summer, Cowell Ranch Beach
One highly recommended link:
Wildflowers at Coe Park http://www.coepark.org/wildflowers/flower-album.html

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