2012-05 May

Flowers I have seen blooming between 2 May 2012 and 1 June 2012.

Blooming data are based on my personal observations between 2010 and 2012. They are not perfect.

The red bits of the little tables under the flowers indicate when I observed those flowers blooming. The fainter red bits indicate months in which the flower bloomed but for which I neglected to record an exact start (or stop) date. Since these are the observations of one man randomly walking the local trails I may have missed the true start/stop by several weeks.


Agavaceae (Agave family)
Hesperoyucca whipplei
Chaparral yucca

AprJuly

2012
2011
2010
2009
  • 31 May 2012 on Inspiration
  • 29 May 2012 on Cold Spring Trail N34.46400,W119.64399 640m
  • 29 May 2012 on Cold Spring Back Trail
  • 19 May 2012 on 154

Asphodelaceae (Asphodel family)
Asphodelus fistulosus
Asphodel

All year

2012
2011
2010
2008

Iridaceae (Iris family)
Sisyrinchium bellum
blue eyed grass

FebJune

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 28 May 2012 on Arroyo Burro Trail
  • 27 May 2012 on Rattlesnake Trail
  • 15 May 2012 on More Mesa

Orchidaceae (Orchid family)
Epipactis gigantea
Stream Orchid

May

2012
  • 31 May 2012 on Jesusita N34.46695,W119.73241

Themidaceae (Brodiaea family)
Bloomeria crocea
Common goldenstar

AprJuly

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail N34.47546,W119.68251 685m
Dichelostemma capitatum
blue dicks

JanJune

2012
2011
2010
2009
  • 29 May 2012 on Forbush
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Connector

Liliaceae (Lily family)
Calochortus albus
White fairy lantern

MayJuly

2012
2011
2010
  • 29 May 2012 on Forbush
  • 6 May 2012 on Painted Cave Rd.
Calochortus venustus
Butterfly Mariposa lily

MayJune

2012
2011
2010
  • 29 May 2012 on Forbush N34.49713,W119.63740
Lilium humboldtii
humboldt’s lily

MayJuly

2012
2011
2010
  • 31 May 2012 on Jesusita N34.46146,W119.72802 163m

Melanthiaceae (False-Hellebore family)
Toxicoscordion fremontii
Star Lily

FebMay

2012
2011
2010
  • 13 May 2012 on Camino Cielo dirt N34.47414,W119.57208

Fumariaceae (Bleeding Heart family)
Ehrendorferia chrysantha
Golden Eardrops

MayMar

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail

Papaveraceae (Poppy family)
Dendromecon rigida
Bush poppy

All year

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Island View Trail N34.47570,W119.58778 968m
Eschscholzia caespitosa
collarless California poppy

JanJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
Eschscholzia californica
California poppy

DecOct

2012
2011
2008
  • 27 May 2012 on Rattlesnake Trail
  • 26 May 2012 on Pond Trail, Coal Oil Point
  • 24 May 2012 on More Mesa
  • 19 May 2012 on East Creek Ranch N34.70780,W120.10452

Ranunculaceae (Buttercup family)
Clematis lasiantha
wild clematis

JanMay

2012
2011
2010
  • 13 May 2012 on Romero Back Rd.
  • 13 May 2012 on Camino Cielo dirt
Delphinium parishii
pale larkspur

AprJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 6 May 2012 on Arroyo Burro Back Trail
Delphinium parryi
purple larkspur

FebMay

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 13 May 2012 on Romero Back Rd. N34.48070,W119.58266
  • 6 May 2012 on Arroyo Burro Back Trail
Ranunculus californicus
California Buttercup

JanMay

2012
2011
  • 27 May 2012 on Rattlesnake Trail
  • 20 May 2012 on Jesusita
  • 19 May 2012 on East Creek Ranch N34.71681,W120.10481
  • 6 May 2012 on Camino Cielo
Thalictrum fendleri
Fendler’s Meadow-rue

MarMay

2012
  • 20 May 2012 on Jesusita
  • 13 May 2012 on Romero Trail
  • 8 May 2012 on Cold Spring Trail

Saururaceae (Lizard’s tail family)
Anemopsis californica
Yerba mansa

May

2012
2010
  • 17 May 2012 on Hendry’s Beach

Aizoaceae (Ice Plant family)
Carpobrotus chilensis
Sea Fig

OctJune

2012
2011
Carpobrotus edulis
Hottentot Fig

OctMay

2012
2011

Amaranthaceae (Amaranth family)
Chenopodium californicum
Soap Plant

AprMay

2012
  • 20 May 2012 on Jesusita
Chenopodium murale
Nettle-leaved goosefoot

DecMay

2012
2011
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail

Caryophyllaceae (Pinks family)
Silene gallica
Windmill Pink

JanJuly

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
  • 15 May 2012 on More Mesa
Stellaria media
chickweed

DecJune

2012
2011

Nyctaginaceae (Four O’Clock family)
Abronia maritima
Red sand verbena

May

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41426,W119.88491 8m
Abronia umbellata
Pink sand verbena

May

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41252,W119.88237 9m
Mirabilis laevis
Wishbone bush

DecJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Romero Trail

Polygonaceae (Buckwheat family)
Eriogonum fasciculatum
Buckwheat

MayOct

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Romero Trail
Rumex crispus
Curly dock

JanJuly

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 26 May 2012 on Pond Trail, Coal Oil Point
  • 13 May 2012 on Romero Rd.

Portulacaceae (Purslane family)
Claytonia perfoliata
miner’s lettuce

DecMay

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 6 May 2012 on West Camino Cielo
  • 6 May 2012 on Arroyo Burro Back Trail

Crassulaceae (Live-for-evers family)
Dudleya cymosa
foothill dudleya

AprJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Back Rd. N34.48073,W119.58292

Grossulariaceae (Gooseberry family)
Ribes malvaceum-viridifolium
Chaparral currant

SepMay

2012
2011
2010
  • 13 May 2012 on Camino Cielo dirt N34.47432,W119.57213 915m
  • 13 May 2012 on Romero Back Rd.

Saxifragaceae (Saxifrage family)
Lithophragma affine
Woodland Star

MarMay

2012
2011
  • 6 May 2012 on Arroyo Burro Back Trail
Lithophragma cymbalaria
Mission Star

MarMay

2012
2011
2010
  • 6 May 2012 on Arroyo Burro Back Trail
Micranthes californica
California Saxifrage

MarMay

2012
  • 6 May 2012 on Arroyo Burro Back Trail

Apiaceae (Parsley family)
Conium maculatum
poison hemlock

JanJuly

2012
2011
2010
  • 1 June 2012 on Jesusita
Osmorhiza brachypoda
California Sweet Cicely

AprMay

2012
2011
  • 13 May 2012 on Romero Trail
  • 6 May 2012 on Arroyo Burro Back Trail
Sanicula laciniata
Coast Sanicle

MarMay

2012
2011
  • 6 May 2012 on Arroyo Burro Back Trail
Tauschia arguta
southern tauscia

JanMay

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 8 May 2012 on Cold Spring Trail
  • 6 May 2012 on Arroyo Burro Back Trail
Torilis arvensis-purpurea
Hedge parsley

MarJuly

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Trail

Asteraceae (Asters, sunflowers family)
Achillea millefolium
Common yarrow

FebOct

2012
2011
2010
  • 19 May 2012 on East Creek Ranch
Artemisia californica
Old man’s beard

MayJuly

2012
2010
  • 29 May 2012 on Forbush Trail
Cotula australis
Southern Brass Buttons

FebMay

2012
Cotula coronopifolia
Brass Buttons

MarMay

2012
  • 26 May 2012 on Ellwood Mesa
  • 13 May 2012 on Romero Rd. N34.45412,W119.59115
  • 3 May 2012 on UCSB bikepath
Matricaria discoidea
pineapple weed

FebMay

2012
2011
2010
  • 15 May 2012 on More Mesa
  • 12 May 2012 on Ellwood Mesa
Baccharis salicifolia
Mulefat

DecMay

2012
2011
Erigeron canadensis
Horseweed

SepFeb

2012
2011
2010
Erigeron foliosus
leafy fleabane

AprJan

2012
2011
2010
  • 31 May 2012 on Jesusita N34.47561,W119.72343 454m
  • 29 May 2012 on Cold Spring Back Trail N34.49474,W119.63655 789m
  • 19 May 2012 on East Creek Ranch
Erigeron bonariensis
Flax-leaved Horseweed

FebMar

2012
Heterotheca grandiflora
telegraph weed

All year

2012
2011
2010
  • 1 June 2012 on Los Positas
  • 28 May 2012 on More Mesa
  • 26 May 2012 on Pond Trail, Coal Oil Point
Solidago velutina
California goldenrod

All year

2012
2011
2010
2009
  • 31 May 2012 on Jesusita
Agoseris grandiflora
California Dandelion

AprJuly

2012
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Forbush
  • 13 May 2012 on Romero Back Rd.
  • 13 May 2012 on Camino Cielo dirt N34.47446,W119.57307
Hypochaeris glabra
Smooth Cat’s ear

JanJune

2012
2011
  • 24 May 2012 on Jesusita
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Rd.
  • 8 May 2012 on Cold Spring Trail
Hypochaeris radicata
Hairy Cat’s ear

All year

2012
2011
  • 13 May 2012 on Romero Rd.
Malacothrix saxatilis
Cliff-aster

All year

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
Malacothrix saxatilis-saxatilis
Seaside daisy

All year

2012
2011
Microseris lindleyi
Silver Puffs

AprJune

2012
2011
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 20 May 2012 on Jesusita
Picris echioides
Prickly ox-tongue

All year

2012
2011
2010
Rafinesquia californica
California Chickory

AprJune

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 13 May 2012 on Romero Back Rd. N34.48119,W119.58182 819m
  • 13 May 2012 on Camino Cielo dirt
  • 10 May 2012 on Jesusita
Sonchus asper
Prickly Sow-Thistle

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Rd.
  • 8 May 2012 on Cold Spring Trail
Taraxacum officionale
Dandelion

FebJune

2012
2011
Tragopogon porrifolius
Purple Salsify

AprMay

2012
  • 26 May 2012 on Pond Trail, Coal Oil Point N34.41403,W119.87851 8m
  • 24 May 2012 on More Mesa N34.42012,W119.80007 31m
Lactuca serriola
Prickly Lettuce

MayJan

2012
2011
  • 25 May 2012 on Modoc
Bidens pilosa
Beggar’s ticks

All year

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Romero Rd.
Carduus tenuiflorus
Slender thistle

FebJune

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Connector
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Camino Cielo dirt
Centaurea melitensis
Maltese star thistle

AprSep

2012
2011
2010
  • 27 May 2012 on Rattlesnake Connector
Centaurea solstitialis
Yellow star thistle

MarNov

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Forbush Trail
  • 29 May 2012 on Cold Spring Back Trail
Cirsium occidentale-californicum
California thistle

MayAug

2012
2010
  • 6 May 2012 on Camino Cielo
Cirsium occidentale-venustum
Venus thistle

FebAug

2012
2011
2010
  • 13 May 2012 on Romero Back Rd.
  • 13 May 2012 on Romero Trail
  • 13 May 2012 on Camino Cielo dirt N34.47369,W119.57210 915m
  • 6 May 2012 on West Camino Cielo
Cirsium vulgare
Bull thistle

MaySep

2012
2010
  • 28 May 2012 on Jesusita
Silybum marianum
milk thistle

All year

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
Ambrosia chamissonis
beach-bur

May

2012
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41235,W119.88253 8m
Ambrosia psilostachya
Western ragweed

May

2012
2011
  • 22 May 2012 on Maria Ygnacio bikepath
  • 22 May 2012 on More Mesa
Eriophyllum confertiflorum
golden yarrow

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Connector
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
Ageratina adenophora
sticky snakeroot

FebOct

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Romero Rd
  • 13 May 2012 on Romero Trail
Encelia californica
Bush sunflower

All year

2012
2011
2010
  • 26 May 2012 on Pond Trail, Coal Oil Point
  • 20 May 2012 on Jesusita
  • 15 May 2012 on More Mesa
Venegasia carpesioides
canyon sunflower

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Trail
Centromadia parryi
Southern tarplant

MayFeb

2012
2011
  • 26 May 2012 on Ellwood Mesa N34.41647,W119.88412 22m
Madia gracilis
slender tarweed

AprJuly

2012
2011
2010
  • 29 May 2012 on Forbush N34.49703,W119.63771
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Trail
Pseudognaphalium beneolens
fragrant everlasting

DecMay

2012
2011
  • 22 May 2012 on More Mesa
Pseudognaphalium californicum
California pearly everlasting

JanNov

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 28 May 2012 on Arroyo Burro Trail
  • 27 May 2012 on Rattlesnake Trail
  • 26 May 2012 on Pond Trail, Coal Oil Point
Pseudognaphalium canescens
white everlasting

AprOct

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Connector
  • 13 May 2012 on Romero Rd.
Senecio vulgaris
Old man of Spring

May

2012
  • 12 May 2012 on Los Positas

Boraginaceae (Borage family)
Amsinckia menziesii
common fiddleneck

FebJune

2012
2011
2010
  • 22 May 2012 on More Mesa
Amsinckia tessellata
bristly fiddleneck

May

2012
  • 19 May 2012 on East Creek Ranch N34.71690,W120.09886 393m
Cryptantha sp.
popcornflower

JanAug

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Connector
  • 13 May 2012 on Romero Trail

Hydrophyllaceae (waterleaf family)
Eriodictyon tomentosum
Woolly yerba santa

MayJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail N34.49255,W119.63602
  • 29 May 2012 on Cold Spring Back Trail N34.49255,W119.63602 859m
  • 29 May 2012 on Cold Spring Back N34.49253,W119.63595 857m
Eriodictyon trichocalyx
Yerba Santa

AprJuly

2012
2011
2010
  • 29 May 2012 on Forbush Trail
  • 13 May 2012 on Romero Trail
  • 13 May 2012 on Island View Trail
  • 13 May 2012 on Camino Cielo dirt
Eucrypta chrysanthemifolia
spotted hideseed

JanJune

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 27 May 2012 on Rattlesnake Connector
  • 20 May 2012 on Jesusita
  • 13 May 2012 on Romero Trail
Nemophila menziesii
baby blue eyes

MarMay

2012
2011
2010
  • 13 May 2012 on Camino Cielo dirt N34.47438,W119.57318 912m
  • 13 May 2012 on Romero Back Rd.
  • 6 May 2012 on Arroyo Burro Back Trail
Phacelia campanularia
California bluebells

AprMay

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail N34.45883,W119.69173
Phacelia distans
common phacelia

FebOct

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
Phacelia grandiflora
large flowered phacelia

FebAug

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 6 May 2012 on West Camino Cielo
Phacelia imbricata
Imbricate Phacelia

MayOct

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 13 May 2012 on Romero Back Rd.
  • 6 May 2012 on Arroyo Burro Back Trail
  • 6 May 2012 on West Camino Cielo N34.50736,W119.87039 848m
Phacelia ramosissima
Rambling Phacelia

AprJune

2012
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Trail
  • 26 May 2012 on Pond Trail, Coal Oil Point
Phacelia viscida-albiflora
white phacelia

JanJune

2012
2011
2010
  • 31 May 2012 on Jesusita
Pholistoma auritum
fiesta flower

JanJune

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 8 May 2012 on Cold Spring Trail
  • 6 May 2012 on Arroyo Burro Back Trail
  • 6 May 2012 on West Camino Cielo

Cornaceae (Dogwood family)
Cornus sericea
Creek Dogwood

MarJune

2012
  • 1 June 2012 on Los Positas

Adoxaceae (Elder family)
Sambucus nigra-caerulea
Blue Elderberry

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Connector

Caprifoliaceae (Honeysuckle family)
Lonicera hispidula
Pink honeysuckle

AprJune

2012
2011
2010
  • 29 May 2012 on Cold Spring West Fork N34.45897,W119.65428 264m
  • 8 May 2012 on Cold Spring Trail
Lonicera subspicata
Chaparral honeysuckle

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 26 May 2012 on Pond Trail, Coal Oil Point
Symphoricarpos mollis
Trailing Snowberry

May

2012
  • 29 May 2012 on Cold Spring Trail N34.46216,W119.65038 430m

Ericaceae (Heath family)
Arbutus menziesii
Pacific Madrone

FebMay

2012
2011
  • 13 May 2012 on Camino Cielo dirt N34.47192,W119.57035
  • 6 May 2012 on Arroyo Burro Back Trail
Arctostaphylos glandulosa
Eastwood manzanita

JanMay

2012
2011
2010
  • 8 May 2012 on Cold Spring Trail
  • 6 May 2012 on Arroyo Burro Back Trail
Comarostaphylis diversifolia
Summer Holly

FebJuly

2012
2011
2010
  • 8 May 2012 on Cold Spring Trail

Polemoniaceae (Phlox family)
Allophyllum gilioides
Dense false giliflower

MayOct

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
Gilia capitata
Globe gilia

MarJune

2012
2011
  • 27 May 2012 on Rattlesnake Trail
  • 8 May 2012 on Cold Spring Trail
Leptodactylon californicum
Prickly Phlox

JanJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 24 May 2012 on Jesusita
  • 13 May 2012 on Romero Back Rd.
  • 13 May 2012 on Island View Trail
Leptosiphon parviflorus
Variable Linanthus

FebJune

2012
2011
  • 22 May 2012 on More Mesa

Primulaceae (Primrose family)
Anagallis arvensis
Scarlet Pimpernel

MarOct

2012
2011
  • 27 May 2012 on Rattlesnake Trail
  • 9 May 2012 on Jesusita
Dodecatheon clevelandii
Shooting Star

JanMay

2012
2011
  • 6 May 2012 on Painted Cave Rd.
  • 6 May 2012 on Arroyo Burro Back Trail

Styracaceae (Snowbells family)
Styrax redivivus
Snowdrop bush

AprJune

2012
2011
  • 10 May 2012 on Powerline
  • 6 May 2012 on West Camino Cielo

Apocynaceae (Dogbane family)
Asclepias eriocarpa
Broad-leaved Milkweed

MayAug

2012
2011
2010
  • 19 May 2012 on East Creek Ranch N34.71641,W120.10416 391m
Vinca major
periwinkle

All year

2012
2011
2010
  • 8 May 2012 on Cold Spring Trail

Rubiaceae (Madder family)
Galium andrewsii
phlox-leaved bedstraw

MarJuly

2012
2011
  • 29 May 2012 on Cold Spring Back Trail
  • 6 May 2012 on Arroyo Burro Back Trail
  • 6 May 2012 on Painted Cave Rd.
  • 6 May 2012 on West Camino Cielo
Galium aparine
common bedstraw

FebMay

2012
2011
2010
  • 13 May 2012 on Romero Back Rd.
  • 6 May 2012 on Arroyo Burro Back Trail
Galium nuttallii
climbing bedstraw

FebJuly

2012
2011
  • 8 May 2012 on Cold Spring Trail
Galium porrigens
graceful bedstraw

May

2012
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 13 May 2012 on Romero Trail N34.47495,W119.58967

Lamiaceae (Mint family)
Lepechinia calycina
Pitcher Sage

AprJuly

2012
2011
2010
  • 6 May 2012 on West Camino Cielo
Marrubium vulgare
Horehound

MarOct

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Connector
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Back Trail
Salvia apiana
white sage

MaySep

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
Salvia columbariae
chia

FebJune

2012
2011
2010
  • 13 May 2012 on Camino Cielo dirt
  • 13 May 2012 on Island View Trail
  • 13 May 2012 on Romero Trail
  • 8 May 2012 on Cold Spring Trail
Salvia leucophylla
purple sage

FebJuly

2012
2011
2010
2008
  • 1 June 2012 on Jesusita
  • 19 May 2012 on East Creek Ranch
Salvia mellifera
black sage

DecJuly

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Connector
Salvia spathacea
hummingbirdsage

DecJuly

2012
2011
2010
2009
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
Stachys rigida
woodmint

DecOct

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Trail
Trichostema lanatum
Woolly bluecurls

FebAug

2012
2011
2010
2009
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Camino Cielo dirt
  • 6 May 2012 on Gibraltar Rd.

Oleaceae (Olive family)
Olea europaea
European Olive

AprMay

2012
  • 10 May 2012 on Jesusita

Orobanchaceae (Broomrape family)
Castilleja affinis
Coast Indian Paintbrush

MarAug

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 24 May 2012 on Jesusita
  • 13 May 2012 on Island View Trail N34.47070,W119.56987 954m
  • 13 May 2012 on Romero Back Rd. N34.48053,W119.58349 814m
Castilleja brevistyla
Shortstyle Indian paintbrush

AprMay

2012
2010
  • 19 May 2012 on East Creek Ranch
Castilleja foliolosa
Woolly Indian Paintbrush

FebJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail N34.47189,W119.64172 863m

Phrymaceae (Lopseed family)
Mimulus aurantiacus
sticky monkeyflower

JanSep

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Back Trail N34.48128,W119.63738
  • 29 May 2012 on Cold Spring Trail N34.48128,W119.63738 996m
  • 28 May 2012 on Arroyo Burro Trail
Mimulus guttatus
common monkeyflower

MarJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail N34.49572,W119.63638 771m

Plantaginaceae (Plantain family)
Antirrhinum multiflorum
Sticky snapdragon

MarAug

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Connector
Collinsia bartsiifolia
white blue-eyed Mary

MayJune

2012
2011
2010
  • 6 May 2012 on Arroyo Burro Back Trail
Collinsia heterophylla
Chinese Houses

FebJuly

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Forbush
  • 27 May 2012 on Rattlesnake Trail
Keckiella cordifolia
Heartleaved Penstemon

MayAug

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail N34.47546,W119.63900
  • 29 May 2012 on Cold Spring Trail N34.47546,W119.63900 903m
Plantago lanceolata
English Plantain

All year

2012
2011
  • 6 May 2012 on West Camino Cielo
Veronica anagallis-aquatica
Water Speedwell

All year

2012
2011
  • 1 June 2012 on Jesusita

Scrophulariaceae (Figwort family)
Scrophularia californica
California Figwort

JanOct

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Trail
Verbascum virgatum
Wand Mullein

MayMar

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail N34.46217,W119.69027

Verbenaceae (Verbena family)
Verbena lasiostachys
Western verbena

MarSep

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 26 May 2012 on Pond Trail, Coal Oil Point
  • 19 May 2012 on East Creek Ranch
  • 15 May 2012 on More Mesa

Convolvulaceae (Morning glory family)
Calystegia macrostegia
California false bindweed

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 28 May 2012 on More Mesa
  • 27 May 2012 on Rattlesnake Trail
Calystegia malacophylla
Woolly Morning Glory

MayJuly

2012
2011
  • 13 May 2012 on Camino Cielo dirt N34.47055,W119.56711
Calystegia purpurata-purpurata
Pacific false bindweed

JanAug

2012
2011
  • 29 May 2012 on Cold Spring Back Trail
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Camino Cielo dirt
  • 13 May 2012 on Island View Trail
Calystegia soldanella
Beach Morning Glory

May

2012
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41212,W119.88285 8m
Convolvulus arvensis
bindweed

MayNov

2012
2011
  • 28 May 2012 on More Mesa
  • 26 May 2012 on Pond Trail, Coal Oil Point

Solanaceae (Nightshade family)
Datura wrightii
Sacred Datura

All year

2012
2011
2010
  • 15 May 2012 on More Mesa
Nicotiana glauca
tree tobacco

All year

2012
2011
2010
Solanum douglasii
white nightshade

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Rd.
  • 8 May 2012 on Cold Spring Trail
Solanum umbelliferum
blue witch

FebDec

2012
2011
2010
  • 6 May 2012 on Gibraltar Rd.
Solanum xanti
purple nightshade

All year

2012
2011
2010
  • 1 June 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Rd.
  • 13 May 2012 on Romero Trail

Brassicaceae (Mustard family)
Brassica nigra
black mustard

All year

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Rd.
  • 13 May 2012 on Romero Trail
Brassica rapa
field mustard

All year

2012
2011
2010
Cakile maritima
sea rocket

All year

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41422,W119.88483 10m
Capsella bursa-pastoris
Shepherd’s purse

FebMay

2012
2011
Cardamine californica
milk maids

DecMay

2012
2011
2010
  • 13 May 2012 on Romero Trail N34.46248,W119.59074
  • 8 May 2012 on Cold Spring Trail
Lepidium virginicum
Virginia Peppergrass

MarMay

2012
  • 13 May 2012 on Romero Back Rd.
  • 6 May 2012 on Arroyo Burro Back Trail
Nasturtium officinale
watercress

AprDec

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 13 May 2012 on Romero Rd. N34.45412,W119.59115 287m
Raphanus ssp
wild radish

All year

2012
2011
2010
  • 26 May 2012 on Pond Trail, Coal Oil Point
Sisymbrium irio
London Rocket

FebMay

2012
Sisymbrium officinale
Hedge Mustard

AprMay

2012
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Rd.
  • 13 May 2012 on Romero Trail

Cleomaceae (Cleomaceae family)
Cleome isomeris
Bladderpod

JanJune

2012
2011
2010
  • 9 May 2012 on Jesusita

Tropaeolaceae (Nasturtium family)
Tropaeolum majus
Nasturtium

All year

2012
2011
2010
  • 15 May 2012 on More Mesa

Cucurbitaceae (Gourd (cucumber) family)
Marah fabaceus
common manroot

NovMay

2012
2011
2010
2009
2008
  • 27 May 2012 on Rattlesnake Connector
  • 13 May 2012 on Romero Trail
  • 13 May 2012 on Camino Cielo dirt
  • 8 May 2012 on Cold Spring Trail

Fabaceae (Legume family)
Acmispon argophyllus
silver bird’s foot trefoil

MarMay

2012
2011
Acmispon glaber
Deerweed

All year

2012
2011
2010
  • 27 May 2012 on Rattlesnake Connector
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Romero Trail
  • 8 May 2012 on Cold Spring Trail
Acmispon grandiflorus
Chaparral lotus

DecJune

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 8 May 2012 on Cold Spring Trail
Astragalus filipes
Milkvetch

MarJune

2012
2011
2010
  • 29 May 2012 on Forbush Trail
Lathyrus vestitus
common pacific pea

DecJune

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Back Rd.
  • 13 May 2012 on Camino Cielo dirt
Lotus corniculatus
Birdsfoot Trefoil

DecJune

2012
2011
  • 19 May 2012 on East Creek Ranch
Lupinus bicolor
miniature lupine

FebJune

2012
2011
2010
  • 10 May 2012 on Jesusita
Lupinus chamissonis
Silver lupine

MarAug

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41272,W119.88211 8m
  • 13 May 2012 on Island View Trail
  • 13 May 2012 on Camino Cielo dirt
  • 13 May 2012 on Romero Back Trail
Lupinus hirsutissimus
stinging lupine

JanMay

2012
2011
2010
Lupinus latifolius
Canyon Lupine

FebMay

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Romero Trail
  • 6 May 2012 on Camino Cielo
  • 6 May 2012 on Gibraltar Rd.
Lupinus nanus
sky lupine

FebJune

2012
2011
2010
  • 31 May 2012 on Jesusita N34.45158,W119.73379 -120m
  • 19 May 2012 on East Creek Ranch
  • 6 May 2012 on West Camino Cielo
  • 6 May 2012 on Painted Cave Rd.
Lupinus succulentus
arroyo lupine

DecJuly

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 25 May 2012 on Los Positas
  • 20 May 2012 on Jesusita
  • 6 May 2012 on West Camino Cielo
Melilotus albus
white sweet clover

All year

2012
2011
2010
  • 6 May 2012 on West Camino Cielo
Melilotus indicus
yellow sweet clover

FebJune

2012
2011
2010
  • 31 May 2012 on Jesusita
Pickeringia montana
Chaparral-pea

MayAug

2012
2011
2010
2009
  • 29 May 2012 on Cold Spring Trail N34.46994,W119.64281 815m
Rupertia physodes
California Tea

MayJune

2012
2011
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail N34.49546,W119.63620 773m
Spartium junceum
Spanish broom

FebAug

2012
2011
2010
  • 6 May 2012 on 154
Trifolium willdenovii
Tomcat clover

AprJune

2012
2011
2010
  • 6 May 2012 on Painted Cave Rd.
  • 6 May 2012 on Arroyo Burro Back Trail
Trifolium hirtum
Red Clover

AprMay

2012
2011
2010
  • 6 May 2012 on West Camino Cielo
Vicia gigantea
Giant Vetch

FebMay

2012
2011
2010
  • 15 May 2012 on More Mesa
Vicia villosa
Hairy Vetch

DecJuly

2012
2011
2010
2006
  • 31 May 2012 on Jesusita
  • 15 May 2012 on More Mesa

Geraniaceae (Geraniums family)
Geranium dissectum
cut-leaved geranium

MarMay

2012
2011
2010
  • 20 May 2012 on Jesusita
Erodium botrys
long-beaked storksbill

JanSep

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Island View Trail
  • 6 May 2012 on West Camino Cielo
Erodium cicutarium
Red-stemmed storksbill

DecJuly

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 26 May 2012 on Pond Trail, Coal Oil Point
  • 19 May 2012 on East Creek Ranch
  • 13 May 2012 on Island View Trail

Euphorbiaceae (Spurge family)
Croton californicus
California croton

All year

2012
2011
2010
  • 22 May 2012 on More Mesa
Euphorbia dendroides
Tree Spurge

JanJune

2012
Ricinus communis
Castor bean

All year

2012
2011

Cistaceae (Rock rose family)
Cistus incanus-creticus
Pink rockrose

JanAug

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 13 May 2012 on Island View Trail
  • 6 May 2012 on West Camino Cielo
Helianthemum scoparium
peak rockrose

All year

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 13 May 2012 on Island View Trail N34.47512,W119.58721
  • 6 May 2012 on Arroyo Burro Back Trail

Malvaceae (Mallows family)
Malva nicaeensis
bull mallow

All year

2012
2011
2010
Sidalcea malviflora
Checkerbloom

MarJuly

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
  • 6 May 2012 on Arroyo Burro Back Trail

Onagraceae (Evening Primrose family)
Camissonia californica
California suncup

FebAug

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 27 May 2012 on Rattlesnake Trail
Camissonia cheiranthifolia
Beach Evening Primrose

MayDec

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41234,W119.88253 9m
Camissonia hirtella
Hairy suncup

MarMay

2012
2011
2010
  • 15 May 2012 on More Mesa
Clarkia bottae
Punchbowl godetia

MarAug

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch N34.71666,W120.10455 391m
Clarkia epilobiodes
Willow Herb Clarkia

May

2012
2011
  • 13 May 2012 on Camino Cielo dirt N34.47863,W119.57451 866m
  • 13 May 2012 on Romero Back Rd. N34.48082,W119.58272 815m
  • 6 May 2012 on Arroyo Burro Back Trail
Clarkia purpurea-purpurea
Winecup

MayJuly

2012
2011
2010
  • 29 May 2012 on Forbush
  • 19 May 2012 on East Creek Ranch N34.71681,W120.10483 385m
  • 6 May 2012 on West Camino Cielo
Clarkia purpurea-quadrivulnera
Four-spot

MayAug

2012
2011
2010
  • 1 June 2012 on Los Positas
  • 29 May 2012 on Forbush N34.49717,W119.63709
  • 19 May 2012 on East Creek Ranch N34.70847,W120.10044 353m
  • 13 May 2012 on Island View Trail N34.47512,W119.58548
Clarkia unguiculata
Elegant Clarkia

MarSep

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
  • 19 May 2012 on East Creek Ranch
  • 10 May 2012 on Jesusita Tunnel
Epilobium ciliatum
Common Willowherb

MayJune

2012
  • 1 June 2012 on Jesusita
Oenothera elata
Evening Primrose

All year

2012
2011
2010
  • 26 May 2012 on Plover Reserve, Coal Oil Point N34.41302,W119.88171 10m

Oxalidaceae (Oxalis family)
Oxalis corniculata
Yellow Sorrel

DecJune

2012
2011
  • 28 May 2012 on More Mesa
  • 27 May 2012 on Rattlesnake Trail
  • 20 May 2012 on Jesusita
  • 8 May 2012 on Cold Spring Trail
Oxalis pes-caprae
sourgrass

NovJune

2012
2011
2010
  • 20 May 2012 on Jesusita
  • 13 May 2012 on Romero Rd.
  • 8 May 2012 on Cold Spring Trail

Rhamnaceae (Buckthorn family)
Ceanothus crassifolius
Hoary-leaved Ceanothus

FebMay

2012
2011
  • 13 May 2012 on Island View Trail
Ceanothus megacarpus
Bigpod Ceanothus

DecJune

2012
2011
  • 13 May 2012 on Romero Trail
  • 13 May 2012 on Island View Trail
  • 8 May 2012 on Cold Spring Trail
Ceanothus spinosus
Greenbark

DecAug

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Trail
Ceanothus thyrsiflorus
Blue Bush

JanMay

2012
2011
  • 13 May 2012 on Island View Trail
  • 8 May 2012 on Cold Spring Trail
Rhamnus californica
Coffee Berry

MayJuly

2012
2011
  • 29 May 2012 on Forbush N34.49661,W119.63762
Rhamnus ilicifolia
Holly-leaved Redberry

May

2012
2011
  • 29 May 2012 on Cold Spring Back Trail
  • 13 May 2012 on Romero Back Trail N34.47916,W119.58557

Rosaceae (Rose family)
Adenostoma fasciculatum
Chamise

AprSep

2012
2011
2010
  • 31 May 2012 on Jesusita
  • 29 May 2012 on Cold Spring Trail
  • 29 May 2012 on Cold Spring Back Trail
  • 27 May 2012 on Rattlesnake Trail
Cercocarpus betuloides
Mountain Mahogany

FebMay

2012
2011
2010
  • 13 May 2012 on Romero Trail N34.47441,W119.58908 896m
  • 13 May 2012 on Island View Trail
  • 8 May 2012 on Cold Spring Trail
  • 6 May 2012 on Painted Cave Rd.
Horkelia cuneata
Wedge-leaved horkelia

MayJune

2012
2011
2010
  • 27 May 2012 on Rattlesnake Trail
Potentilla glandulosa
Sticky Potentilla

MarJune

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 28 May 2012 on Arroyo Burro Trail
  • 27 May 2012 on Rattlesnake Trail
  • 20 May 2012 on Jesusita
Prunus ilicifolia
Holly-leaved cherry

JanJune

2012
2011
2010
  • 29 May 2012 on Cold Spring Back Trail
  • 29 May 2012 on Cold Spring Trail
  • 27 May 2012 on Rattlesnake Connector
  • 27 May 2012 on Rattlesnake Trail N34.47807,W119.69408 702m
Rosa californica
california wild rose

AprNov

2012
2011
2010
  • 1 June 2012 on Los Positas
  • 12 May 2012 on Ellwood Mesa
Rubus ursinus
california blackberry

DecJune

2012
2011
2010
  • 29 May 2012 on Cold Spring Trail N34.45755,W119.65364 252m
  • 29 May 2012 on Cold Spring Back Trail N34.48595,W119.63607 954m
  • 28 May 2012 on Arroyo Burro Trail
  • 20 May 2012 on Jesusita

Urticaceae (Nettle family)
Urtica dioica
Stinging Nettle

MayAug

2012
2011
  • 22 May 2012 on Hendry’s Beach

Anacardiaceae (Sumac family)
Malosma laurina
Laurel sumac

JuneSep

2012
2011
2010
Rhus ovata
Sugar sumac

AprJune

2012
2011
2010
  • 6 May 2012 on Arroyo Burro Back Trail
  • 6 May 2012 on West Camino Cielo
Toxicodendron diversilobum
poison oak

DecMay

2012
2011
2010
  • 28 May 2012 on Jesusita
  • 13 May 2012 on Romero Back Rd. N34.48070,W119.58287 826m
  • 6 May 2012 on West Camino Cielo
  • 6 May 2012 on Arroyo Burro Back Trail

Noticed 227 flowers blooming recently.

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