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logo Calflora  Illustrated Plant List 
Point Lobos State Reserve
Monterey County

Jim Barry et al.  / Monterey CNPS  (1985-01-01)

Record Detail Nearby Surveys What Grows Here?
388 PLANTS
Abronia latifolia    Coastal sand verbena,  Sand verbena,  Yellow sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia latifolia
© 2016 Steve Matson
Abronia latifolia
© 2016 Steve Matson
Abronia latifolia
© 2016 Steve Matson

Abronia umbellata    Beach sand verbena,  Pink sand verbena,  Purple sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata
© 2021 Meghan Lindt
Abronia umbellata
© 2018 Ken Hickman
Abronia umbellata
© 2024 Mike Russler

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
© 2022 Andy Ford
Achillea millefolium
© 2020 Bob Sweatt
Achillea millefolium
© 2018 Gary McDonald

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum
© 2019 Steve Matson

Agoseris apargioides var. apargioides    Coast dandelion,  Seaside agoseris,  Seaside dandelion
native
Perennial herb

ASTERACEAE

Agoseris apargioides var. apargioides
© 2011 Thomas Reyes
Agoseris apargioides var. apargioides
© 2011 Thomas Reyes
Agoseris apargioides var. apargioides
© 2011 Thomas Reyes

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
© 2022 Teal Derrer
Agrostis exarata
© 2021 David popp
Agrostis exarata
© 2022 John Rawlings

Agrostis hallii    Hall redtop,  Hall's bent grass,  Hall's bentgrass
native
Perennial grass

POACEAE

Agrostis hallii
© 2005 Steve Matson
Agrostis hallii
© 2005 Steve Matson
Agrostis hallii
© 2023 John Rawlings

Agrostis pallens    Leafy bent grass,  Diego bent grass,  Seashore bentgrass
native
Perennial grass

POACEAE

Agrostis pallens
© 2021 John Rawlings
Agrostis pallens
© 2020 Susan McDougall
Agrostis pallens
© 2021 John Rawlings

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
invasive non-native
Annual grass

POACEAE

Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson

Amaranthus blitoides    Mat amaranth,  Prostrate amaranth,  Prostrate pigweed
native
Annual herb

AMARANTHACEAE

Amaranthus blitoides
© 2020 Ron Vanderhoff
Amaranthus blitoides
© 2023 Helen Hancock
Amaranthus blitoides
© 2024 Dianne Lake

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

Ambrosia chamissonis
© 2016 Steve Matson
Ambrosia chamissonis
© 2016 Steve Matson
Ambrosia chamissonis
© 2017 Ron Vanderhoff

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
© 2020 Matt Berger
Amsinckia menziesii var. intermedia
© 2019 Ron Vanderhoff
Amsinckia menziesii var. intermedia
© 2021 David popp

Amsinckia spectabilis    Seaside amsinckia,  Seaside fiddleneck,  Woolly breeches
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis
© 2017 David Greenberger
Amsinckia spectabilis
© 2023 Toni Corelli
Amsinckia spectabilis
© 2023 Toni Corelli

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
© 2017 B.J. Dion
Anagallis arvensis
© 2018 Stacie Wolny
Anagallis arvensis
© 2017 B.J. Dion

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
© 2020 Bob Sweatt
Anaphalis margaritacea
© 2021 Ken Lunders
Anaphalis margaritacea
© 2014 James Gonsman

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
invasive non-native
Annual herb

ASTERACEAE

Anthemis cotula
© 2017 Diane Etchison
Anthemis cotula
© 2019 Nathan Taxel
Anthemis cotula
© 2019 Dave Beller

native
Perennial herb

PLANTAGINACEAE

Antirrhinum multiflorum
© 2018 Michael Mitchell
Antirrhinum multiflorum
© Geoff Burleigh
Antirrhinum multiflorum
© 2024 Mary Conway

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
© 2024 Mike Russler
Aphanes occidentalis
© 2025 Ron Vanderhoff
Aphanes occidentalis
© 2024 Mike Russler

Apiastrum angustifolium    Mock parsley,  Wild celery,  Wild parsley
native
Annual herb

APIACEAE

Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2023 Ron Vanderhoff

Apium graveolens    Smallage,  Garden celery
non-native
Annual, Biennial herb

APIACEAE

Apium graveolens
© 2016 Joan Hampton
Apium graveolens
© 2019 Nathan Taxel
Apium graveolens
© 2016 Joan Hampton

Aquilegia formosa    Crimson columbine,  Sitka columbine,  Western columbine
native
Perennial herb

RANUNCULACEAE

Aquilegia formosa
© 2022 Charles Russell
Aquilegia formosa
© 2022 David Strauch
Aquilegia formosa
© 2009 Julie A. Kierstead

Arabis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

Arabis glabra
© 2017 Steve Matson
Arabis glabra
© 2017 Steve Matson
Arabis glabra
© 2017 Steve Matson

Arceuthobium campylopodum    Golden mistletoe,  Pine dwarf mistletoe,  Pine mistletoe
native
Perennial herb (parasitic)

VISCACEAE

Arceuthobium campylopodum
© 2016 Richard Spjut
Arceuthobium campylopodum
© 2021 Mikhela Aiken
Arceuthobium campylopodum
© 2022 Charles Russell

Arctostaphylos hookeri ssp. hookeri    Hooker's manzanita,  Monterey manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos hookeri ssp. hookeri
© 2019 Susan McDougall
Arctostaphylos hookeri ssp. hookeri
© 2022 R.A. Chasey
Arctostaphylos hookeri ssp. hookeri
© 2021 Patrick Furtado

Arctostaphylos tomentosa ssp. tomentosa    Woolly leaf manzanita,  Woollyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. tomentosa
© 2020 David Greenberger
Arctostaphylos tomentosa ssp. tomentosa
© 2020 David Greenberger
Arctostaphylos tomentosa ssp. tomentosa
© 2019 Mary Conway

Armeria maritima ssp. californica    California sea pink,  California seapink,  Sea pink or thrift
native
Perennial herb

PLUMBAGINACEAE

Armeria maritima ssp. californica
© 2016 Steve Matson
Armeria maritima ssp. californica
© 2016 Steve Matson
Armeria maritima ssp. californica
© 2016 Steve Matson

Artemisia californica    California sagebrush,  Coast sagebrush,  Coastal sage brush
native
Shrub

ASTERACEAE

Artemisia californica
© 2018 James Gonsman
Artemisia californica
© 2019 Aaron Echols
Artemisia californica
© 2018 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
© 2022 Ron Vanderhoff
Artemisia douglasiana
© 2016 Glen Schneider
Artemisia douglasiana
© 2021 Mike Russler

Artemisia dracunculus    Herbaceous sagewort,  Pinon wormwood,  Tarragon
native
Perennial herb

ASTERACEAE

Artemisia dracunculus
© 2022 Steve Matson
Artemisia dracunculus
© 2022 Steve Matson
Artemisia dracunculus
© 2022 Steve Matson

Artemisia pycnocephala    Beach sagewort,  Coastal sagewort
native
Perennial herb

ASTERACEAE

Artemisia pycnocephala
© 2015 Toni Corelli
Artemisia pycnocephala
© 2021 Zoya Akulova-Barlow
Artemisia pycnocephala
© 2023 Cynthia Powell

Aster chilensis    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Aster chilensis
© 2020 Suzanne L. Weakley
Aster chilensis
© 2013 Arcangelo Wessells
Aster chilensis
© 2018 Stacie Wolny

Aster radulinus    Roughleaf aster
native
Perennial herb

ASTERACEAE

Aster radulinus
© 2007 Keir Morse
Aster radulinus
© 2023 Ken-ichi Ueda
Aster radulinus
© 2022 Bob Sweatt

Astragalus nuttallii    Loco weed,  Nuttall's milkvetch,  Ocean bluff milk vetch
native
Perennial herb

FABACEAE

Astragalus nuttallii
© 2006 Steve Matson
Astragalus nuttallii
© 2006 Steve Matson
Astragalus nuttallii
© 2006 Steve Matson

Athyrium filix-femina var. cyclosorum    Common lady fern,  Subarctic lady fern,  Western lady fern
native
Fern

ATHYRIACEAE

Athyrium filix-femina var. cyclosorum
© 2021 R.A. Chasey
Athyrium filix-femina var. cyclosorum
© 2021 R.A. Chasey
Athyrium filix-femina var. cyclosorum
© 2021 John Rawlings

Atriplex californica    California orach
native
Perennial herb

CHENOPODIACEAE

Atriplex californica
© 2020 Ron Vanderhoff
Atriplex californica
© 2020 Ron Vanderhoff
Atriplex californica
© 2020 Ron Vanderhoff

Atriplex leucophylla    Beach salt bush,  Beach saltbush,  Sea scale
native
Perennial herb

CHENOPODIACEAE

Atriplex leucophylla
© 2009 Toni Corelli
Atriplex leucophylla
© 2024 R.A. Chasey
Atriplex leucophylla
© 2020 Ken Hickman

Atriplex patula var. obtusa    Gmelin's saltbush
native
Annual herb

CHENOPODIACEAE


Baccharis douglasii    Mule fat
native
Shrub

ASTERACEAE

Baccharis douglasii
© 2022 Ron Vanderhoff
Baccharis douglasii
© 2023 Ron Vanderhoff
Baccharis douglasii
© 2024 Holly Gray

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
© 2022 Ryan O'Dell
Baccharis pilularis
© 2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
© 2018 Cynthia Powell

native
Shrub

ASTERACEAE

Baccharis pilularis var. consanguinea
© 2024 Ron Vanderhoff
Baccharis pilularis var. consanguinea
© 2022 John Doyen
Baccharis pilularis var. consanguinea
© 2024 Mike Russler

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2017 Gary McDonald

Brassica oleracea    Cabbage
non-native
Annual herb

BRASSICACEAE

Brassica oleracea
© 2009 Toni Corelli
Brassica oleracea
© 2021 Zoya Akulova-Barlow
Brassica oleracea
© 2009 Toni Corelli

Brassica rapa    Common mustard,  Field mustard,  Rape mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica rapa
© 2024 David Wolfson
Brassica rapa
© 2021 Diane Etchison
Brassica rapa
© 2018 Angelique Herman

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
© 2017 Gary McDonald
Briza maxima
© 2018 Bill Schmidt
Briza maxima
© 2017 Gary McDonald

Briza minor    Little quaking grass,  Little quakinggrass,  Little rattlesnake grass
non-native
Annual grass

POACEAE

Briza minor
© 2023 R.A. Chasey
Briza minor
© 2019 Gary McDonald
Briza minor
© 2019 Gary McDonald

Brodiaea terrestris    Dwarf brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea terrestris
© 2023 Steve Conger
Brodiaea terrestris
© 2023 Steve Conger
Brodiaea terrestris
© 2019 Mary Gerbic

Bromus carinatus    California brome
native
Perennial grass

POACEAE

Bromus carinatus
© 2020 Ron Vanderhoff
Bromus carinatus
© 2022 David popp
Bromus carinatus
© 2014 Vertin Alvarez

Bromus diandrus    Bromegrass,  Ripgut brome,  Ripgut grass
invasive non-native
Annual grass

POACEAE

Bromus diandrus
© Alize
Bromus diandrus
© 2021 Richard Spjut
Bromus diandrus
© 2024 David popp

Bromus hordeaceus    Soft brome,  Soft chess
invasive non-native
Annual grass

POACEAE

Bromus hordeaceus
© 2023 Ron Vanderhoff
Bromus hordeaceus
© 2018 Gary McDonald
Bromus hordeaceus
© 2018 Gary McDonald

Bromus sterilis    Poverty brome,  Sterile brome
non-native
Annual grass

POACEAE

Bromus sterilis
© 2021 John Rawlings
Bromus sterilis
© 2023 John Rawlings
Bromus sterilis
© 2023 John Rawlings

Bromus tectorum    Cheatgrass, downy brome,  Downy brome grass,  Downy chess
invasive non-native
Annual grass

POACEAE

Bromus tectorum
© 2022 Ron Vanderhoff
Bromus tectorum
© 2022 Ron Vanderhoff
Bromus tectorum
© 2022 Ron Vanderhoff

Calamagrostis nutkaensis    Pacific reedgrass
native
Perennial grass

POACEAE

Calamagrostis nutkaensis
© 2023 R.A. Chasey
Calamagrostis nutkaensis
© 2023 R.A. Chasey
Calamagrostis nutkaensis
© 2019 Ken Hickman

Calandrinia ciliata    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia ciliata
© 2021 Mary Ann Machi
Calandrinia ciliata
© 2024 Ron Vanderhoff
Calandrinia ciliata
© 2019 Ron Vanderhoff

Callitriche marginata    California water starwort,  Winged water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

Callitriche marginata
© 2019 Ron Vanderhoff
Callitriche marginata
© 2019 Ron Vanderhoff
Callitriche marginata
© 2019 Ron Vanderhoff

Calochortus albus var. albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus var. albus
© 2016 Steve Matson
Calochortus albus var. albus
© 2016 Steve Matson
Calochortus albus var. albus
© 2016 Steve Matson

Calochortus uniflorus    Pink star tulip
rare native
Perennial herb

LILIACEAE

Calochortus uniflorus
© 2022 Steve Conger
Calochortus uniflorus
© 2020 Elsa de Becker
Calochortus uniflorus
© 2022 Mary Ann Machi

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
© 2017 Michael Mitchell
Calystegia macrostegia ssp. cyclostegia
© 2020 James Gonsman
Calystegia macrostegia ssp. cyclostegia
© 2017 Michael Mitchell

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
© 2024 Mary Conway
Camissonia cheiranthifolia
© 2021 Cara Wilcox
Camissonia cheiranthifolia
© 2019 Mary Conway

Camissonia hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissonia hirtella
© 2019 Steve Matson
Camissonia hirtella
© 2019 Steve Matson
Camissonia hirtella
© 2019 Steve Matson

Camissonia ovata    Sun cup,  Goldeneggs
native
Perennial herb

ONAGRACEAE

Camissonia ovata
© 2017 Steve Matson
Camissonia ovata
© 2017 Steve Matson
Camissonia ovata
© 2017 Steve Matson

Capsella bursa-pastoris    Shepherd's purse
non-native
Annual herb

BRASSICACEAE

Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

Cardionema ramosissimum
© 2023 Ron Vanderhoff
Cardionema ramosissimum
© 2015 Michael Mitchell
Cardionema ramosissimum
© 2019 John Rawlings

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
© 2014 Steve Matson
Carex globosa
© 2014 Steve Matson
Carex globosa
© 2014 Steve Matson

Carex harfordii    Harford's sedge,  Monterey sedge
native
Perennial grasslike herb

CYPERACEAE

Carex harfordii
© 2019 Ken Hickman
Carex harfordii
© 2023 Ellen Uhler
Carex harfordii
© 2023 Ellen Uhler

Carex praegracilis    Clustered field sedge,  Field sedge
native
Perennial grasslike herb

CYPERACEAE

Carex praegracilis
© 2020 Steve Matson
Carex praegracilis
© 2020 Steve Matson
Carex praegracilis
© 2020 Steve Matson

Carex tumulicola    Foothill sedge,  Slender sedge,  Split awn sedge
native
Perennial grasslike herb

CYPERACEAE

Carex tumulicola
© 2017 David Greenberger
Carex tumulicola
© 2021 John Rawlings
Carex tumulicola
© 2021 John Rawlings

Carpobrotus chilensis    Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus chilensis
© 2018 Nicole Leatherman
Carpobrotus chilensis
© 2016 Steve Matson
Carpobrotus chilensis
© 2021 Cynthia Powell

Carpobrotus edulis    Hottentot fig,  Iceplant,  Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus edulis
© 2021 Michelle Karle
Carpobrotus edulis
© 2017 Lisa Miller
Carpobrotus edulis
© 2018 Michael Chasse

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis
© 2021 Dylan Neubauer
Castilleja affinis
© 2019 Diane Etchison
Castilleja affinis
© 2019 Diane Etchison

Castilleja ambigua    Johnny nip,  Paintbrush orthocarpus
native
Annual herb

OROBANCHACEAE

Castilleja ambigua
© 2017 Steve Matson
Castilleja ambigua
© 2017 Steve Matson
Castilleja ambigua
© 2023 Steve Conger

Castilleja exserta    Owl's clover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta
© 2017 B.J. Dion
Castilleja exserta
© 2018 Saskia Raether
Castilleja exserta
© 2019 Diane Etchison

Castilleja latifolia    Monterey indian paintbrush,  Seaside paintbrush
rare native
Perennial herb (hemiparasitic)

OROBANCHACEAE

Castilleja latifolia
© 2004 Keir Morse
Castilleja latifolia
© 2004 Keir Morse
Castilleja latifolia
© 2020 Mary Conway

Ceanothus cuneatus var. rigidus    Monterey ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. rigidus
© 2021 Emily Poor
Ceanothus cuneatus var. rigidus
© 2018 Gary McDonald
Ceanothus cuneatus var. rigidus
© 2018 Gary McDonald

Ceanothus griseus    Carmel ceanothus
native
Shrub

RHAMNACEAE

Ceanothus griseus
© 2006 Steve Matson
Ceanothus griseus
© 2023 aparrot1
Ceanothus griseus
© 2014 Robert Sikora

Ceanothus papillosus    warty-leaf ceanothus,  Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
© 2022 Justin Luong
Ceanothus papillosus
© 2024 Mary Gerbic
Ceanothus papillosus
© 2021 Mary Conway

Ceanothus thyrsiflorus    Blueblossom
native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus
© 2020 David Greenberger
Ceanothus thyrsiflorus
© 2022 R.A. Chasey
Ceanothus thyrsiflorus
© 2019 Patrick Furtado

Centaurea melitensis    Maltese star thistle,  Napa star thistle,  Tocalote
invasive non-native
Annual herb

ASTERACEAE

Centaurea melitensis
© 2019 Ron Vanderhoff
Centaurea melitensis
© 2020 Ron Vanderhoff
Centaurea melitensis
© 2020 Laura Anna Arellano

Centaurium davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

Centaurium davyi
© 2018 Mary Conway
Centaurium davyi
© 2022 Irene Rosen
Centaurium davyi
© 2023 R.A. Chasey

Centunculus minimus    Chaffweed
native
Annual herb

MYRSINACEAE

Centunculus minimus
© 2020 Ron Vanderhoff
Centunculus minimus
© 2018 Hayley Ross
Centunculus minimus
© 2020 Ron Vanderhoff

Cerastium arvense    Field chickweed,  Meadow chickweed
native
Perennial herb

CARYOPHYLLACEAE

Cerastium arvense
© 2024 Mary Ann Machi
Cerastium arvense
© 2024 Steve Conger
Cerastium arvense
© 2017 Mary Sue Ittner

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
© 2023 Ron Vanderhoff
Cerastium glomeratum
© 2023 Ron Vanderhoff
Cerastium glomeratum
© 2023 R.A. Chasey

Chenopodium album    Lamb's quarters,  Lambs quarters,  White goosefoot
non-native
Annual herb

CHENOPODIACEAE

Chenopodium album
© 2022 Ron Vanderhoff
Chenopodium album
© 2014 Toni Corelli
Chenopodium album
© 2022 Ron Vanderhoff

Chenopodium ambrosioides    Mexican tea
non-native
Annual, Perennial herb

CHENOPODIACEAE

Chenopodium ambrosioides
© 2020 Ron Vanderhoff
Chenopodium ambrosioides
© 2018 Ron Vanderhoff
Chenopodium ambrosioides
© 2020 Ron Vanderhoff

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler

Chenopodium murale    Nettle leaf goosefoot,  Sowbane
non-native
Annual herb

CHENOPODIACEAE

Chenopodium murale
© 2022 Ron Vanderhoff
Chenopodium murale
© 2023 Keir Morse
Chenopodium murale
© 2020 Ron Vanderhoff

Chenopodium rubrum    Red goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium rubrum
© 2023 Ron Vanderhoff
Chenopodium rubrum
© 2020 Alice Cummings
Chenopodium rubrum
© 2021 Donald Burk

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
© 2019 Patrick Furtado
Chlorogalum pomeridianum
© 2019 Patrick Furtado
Chlorogalum pomeridianum
© 2019 Mary Conway

Chorizanthe diffusa    Diffuse spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe diffusa
© 2022 Irene Rosen
Chorizanthe diffusa
© 2020 David Greenberger
Chorizanthe diffusa
© 2024 Mike Russler

Chorizanthe douglasii    Douglas's spineflower,  San benito spineflower
rare native
Annual herb

POLYGONACEAE

Chorizanthe douglasii
© 2022 Irene Rosen
Chorizanthe douglasii
© 2019 David Greenberger
Chorizanthe douglasii
© 2022 Irene Rosen

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

Cicendia quadrangularis
© 2008 Steve Matson
Cicendia quadrangularis
© 2022 Charles Russell
Cicendia quadrangularis
© 2023 Bill Kress

Cicuta douglasii    Western water hemlock
native
Perennial herb

APIACEAE

Cicuta douglasii
© 2015 Bob Case
Cicuta douglasii
© 2020 Julie A. Kierstead
Cicuta douglasii
© 2021 R.A. Chasey

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

Cirsium brevistylum
© 2010 Toni Corelli
Cirsium brevistylum
© 2018 Brian Charles
Cirsium brevistylum
© 2019 Aleksandra Evert

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
© 2017 James Bailey
Cirsium vulgare
© 2020 Bob Sweatt
Cirsium vulgare
© 2020 Bob Sweatt

Clarkia lewisii    Lewis' clarkia
rare native
Annual herb

ONAGRACEAE

Clarkia lewisii
© 2022 Irene Rosen
Clarkia lewisii
© 2020 Steve Laymon
Clarkia lewisii
© 2022 Irene Rosen

Clarkia unguiculata    Elegant clarkia,  Mountain garland,  Woodland clarkia
native
Annual herb

ONAGRACEAE

Clarkia unguiculata
© 2024 Bob Stahmer
Clarkia unguiculata
© 2019 Bryant Baker
Clarkia unguiculata
© 2021 Mike Russler

Claytonia perfoliata    Miners lettuce,  Miner's lettuce,  Rooreh (Ohlone)
native
Annual herb

MONTIACEAE

Claytonia perfoliata
© 2008 Steve Matson
Claytonia perfoliata
© 2019 Gary McDonald
Claytonia perfoliata
© 2020 Matt Berger

Collinsia bartsiifolia    White blue eyed mary,  White collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia bartsiifolia
© 2022 Mike Russler
Collinsia bartsiifolia
© 2022 Mike Russler
Collinsia bartsiifolia
© 2021 Mike Russler

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla
© 2022 Mary Ann Machi
Collinsia heterophylla
© 2019 David Greenberger
Collinsia heterophylla
© 2019 Ron Vanderhoff

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
© 2024 Cynthia Powell
Conium maculatum
© 2013 Toni Corelli
Conium maculatum
© 2016 Cynthia Powell

Convolvulus arvensis    Field bindweed,  Orchard morningglory
invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

Convolvulus arvensis
© 2022 Steve Matson
Convolvulus arvensis
© 2021 Ron Vanderhoff
Convolvulus arvensis
© 2022 Steve Matson

Conyza canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Conyza canadensis
© 2017 Gary McDonald
Conyza canadensis
© 2017 Gary McDonald
Conyza canadensis
© 2022 Mike Russler

Cornus sericea ssp. occidentalis    Western dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. occidentalis
© 2019 David Greenberger
Cornus sericea ssp. occidentalis
© 2018 Lynn Overtree
Cornus sericea ssp. occidentalis
© 2020 Susan McDougall

Cortaderia selloana    Uruguayan pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia selloana
© 2023 Cynthia Powell
Cortaderia selloana
© 2023 Randall English
Cortaderia selloana
© 2022 Ron Vanderhoff

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
© 2022 Steve Matson
Cotula coronopifolia
© 2022 Steve Matson
Cotula coronopifolia
© 2018 Adam Chasey

Cotyledon orbiculata var. oblonga    Cotyledon,  Pig's ear
non-native
Perennial herb

CRASSULACEAE

Cotyledon orbiculata var. oblonga
© 2021 Mike Russler
Cotyledon orbiculata var. oblonga
© 2006 Joseph Dougherty/ecology.org
Cotyledon orbiculata var. oblonga
© 2021 Mike Russler

Crassula connata    Pigmy weed,  Sand pygmy weed,  Sand pygmyweed
native
Annual herb

CRASSULACEAE

Crassula connata
© 2019 Ron Vanderhoff
Crassula connata
© 2022 Sameer Saroa
Crassula connata
© 2019 Adam Chasey

Cryptantha clevelandii    Cleveland's cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii
© 2019 Ron Vanderhoff
Cryptantha clevelandii
© 2019 Diane Etchison
Cryptantha clevelandii
© 2019 Diane Etchison

Cryptantha leiocarpa    Coast cryptantha,  Coastal cryptantha,  Popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha leiocarpa
© 2017 Steve Matson
Cryptantha leiocarpa
© 2017 Steve Matson
Cryptantha leiocarpa
© 2017 Steve Matson

Cryptantha microstachys    Popcorn flower,  Tejon cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha microstachys
© 2019 Diane Etchison
Cryptantha microstachys
© 2018 Ron Vanderhoff
Cryptantha microstachys
© 2017 Diane Etchison

Cupressus goveniana    Gowen cypress
rare native
Tree

CUPRESSACEAE

Cupressus goveniana
© 2019 Susan McDougall
Cupressus goveniana
© 2023 Aidan Marshall
Cupressus goveniana
© 2019 Susan McDougall

Cupressus macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Cupressus macrocarpa
© 2017 Bryant Baker
Cupressus macrocarpa
© 2019 Patrick Furtado
Cupressus macrocarpa
© 2019 Cynthia Powell

Cuscuta californica var. breviflora    California dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica var. breviflora
© 2022 R.A. Chasey
Cuscuta californica var. breviflora
© 2018 David popp
Cuscuta californica var. breviflora
© 2022 R.A. Chasey

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
© 2016 Joan Hampton
Cyperus eragrostis
© 2024 Ron Vanderhoff
Cyperus eragrostis
© 2024 Ron Vanderhoff

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
© 2024 R.A. Chasey
Danthonia californica
© 2021 John Rawlings
Danthonia californica
© 2023 R.A. Chasey

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
© 2019 Diane Etchison
Daucus pusillus
© 2022 David Wolfson
Daucus pusillus
© 2019 John Rawlings

Deschampsia cespitosa ssp. holciformis    California hairgrass,  Coastal tufted hair grass,  Tufted hairgrass
native
Perennial grass

POACEAE

Deschampsia cespitosa ssp. holciformis
© 2023 Dianne Lake
Deschampsia cespitosa ssp. holciformis
© 2021 John Rawlings
Deschampsia cespitosa ssp. holciformis
© 2024 John Rawlings

Desmazeria rigida    Ferngrass,  Hard bluegrass
non-native
Annual grass

POACEAE

Desmazeria rigida
© 2020 Jennifer Mo
Desmazeria rigida
© 2018 Ron Vanderhoff
Desmazeria rigida
© 2017 Neal Kramer

Dichondra donelliana    California ponysfoot,  Dichondra
native
Perennial herb, Vine

CONVOLVULACEAE

Dichondra donelliana
© 2019 Ken Hickman
Dichondra donelliana
© 2019 Ken Hickman
Dichondra donelliana
© 2012 Terrence Gosliner

Distichlis spicata    Inland saltgrass,  Salt grass,  Saltgrass
native
Perennial grass

POACEAE

Distichlis spicata
© 2020 Matt Berger
Distichlis spicata
© 2019 Ron Vanderhoff
Distichlis spicata
© 2018 Emily Allen

Drosanthemum floribundum    Ice plant,  Rosy ice plant,  Showy dewflower
non-native
Perennial herb

AIZOACEAE

Drosanthemum floribundum
© 2019 Michelle Karle
Drosanthemum floribundum
© 2019 David Wolfson
Drosanthemum floribundum
© 2015 Tori Bohlen

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta
© 2023 Julia Markey
Dryopteris arguta
© 2019 Rebecca Crowe
Dryopteris arguta
© 2018 James Gonsman

Dudleya caespitosa    Coast dudleya,  Sand lettuce
native
Perennial herb

CRASSULACEAE

Dudleya caespitosa
© 2022 Mary Conway
Dudleya caespitosa
© 2022 Mary Conway
Dudleya caespitosa
© 2022 Cynthia Powell

Dudleya farinosa    Bluff lettuce,  North coast dudleya,  Powdery liveforever
native
Perennial herb

CRASSULACEAE

Dudleya farinosa
© 2022 Mike Russler
Dudleya farinosa
© 2019 Amy Rapport
Dudleya farinosa
© 2019 Heather Morrison

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
© 2019 Ron Vanderhoff
Dudleya lanceolata
© 2020 Steven M Norris
Dudleya lanceolata
© 2020 Steven M Norris

Eleocharis macrostachya    Common spikerush,  Creeping spike rush,  Pale spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis macrostachya
© 2023 Ron Vanderhoff
Eleocharis macrostachya
© 2023 Ron Vanderhoff
Eleocharis macrostachya
© 2003 Steve Matson

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

Elymus glaucus
© 2020 Denise Defreese
Elymus glaucus
© 2019 Patrick Furtado
Elymus glaucus
© 2018 Cynthia Powell

Epilobium ciliatum ssp. ciliatum    Fringed willowherb,  Northern willow herb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
© 2017 David Greenberger
Epilobium ciliatum ssp. watsonii
© 2012 BOB CASE
Epilobium ciliatum ssp. watsonii
© 2021 Jamie Spielmann

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2022 Suzanne L. Weakley

Erechtites glomerata    Cutleaf burnweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Erechtites glomerata
© 2015 Lynn Overtree
Erechtites glomerata
© 2023 R.A. Chasey
Erechtites glomerata
© 2021 Mary Conway

Ericameria ericoides    California goldenbush,  Mock heather
native
Shrub

ASTERACEAE

Ericameria ericoides
© 2021 Mike Russler
Ericameria ericoides
© 2021 Suzanne L. Weakley
Ericameria ericoides
© 2021 Mike Russler

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
© 2023 Toni Corelli
Erigeron glaucus
© 2019 James Gonsman
Erigeron glaucus
© 2018 Asa B Spade

Eriogonum nudum var. auriculatum    Naked buckwheat,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey
Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey
Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey

Eriogonum parvifolium    Dune eriogonum,  Sea cliff buckwheat,  Seacliff buckwheat
native
Shrub

POLYGONACEAE

Eriogonum parvifolium
© 2022 Mary Conway
Eriogonum parvifolium
© 2020 Ron Vanderhoff
Eriogonum parvifolium
© 2021 Ron Vanderhoff

Eriophyllum confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum
© 2019 Stacie Wolny
Eriophyllum confertiflorum
© 2022 Mojgan Mahdizadeh
Eriophyllum confertiflorum
© 2019 Marisa Persaud

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
© 2024 Steve Conger
Eriophyllum staechadifolium
© 2019 Mary Conway
Eriophyllum staechadifolium
© 2014 James Gonsman

Erodium cicutarium    Coastal heron's bill,  Red stemmed filaree,  Redstem stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium cicutarium
© 2022 Steve Matson
Erodium cicutarium
© 2008 Steve Matson
Erodium cicutarium
© 2022 Steve Matson

Erodium moschatum    Musky stork's bill,  White stemmed filaree,  Whitestem filaree
invasive non-native
Annual herb

GERANIACEAE

Erodium moschatum
© 2016 Steve Matson
Erodium moschatum
© 2016 Steve Matson
Erodium moschatum
© 2016 Steve Matson

Eryngium armatum    Coastal eryngo,  Coyote thistle,  Prickly coyote thistle
native
Perennial herb

APIACEAE

Eryngium armatum
© 2006 Steve Matson
Eryngium armatum
© 2006 Steve Matson
Eryngium armatum
© 2015 Tim Miller

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
© 2019 Dee Shea Himes
Eschscholzia californica
© 2021 Ron Vanderhoff
Eschscholzia californica
© 2019 Amy Rapport

native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica var. maritima
© 2019 Dee Shea Himes
Eschscholzia californica var. maritima
© 2021 Ron Vanderhoff
Eschscholzia californica var. maritima
© 2019 Amy Rapport

Euphorbia crenulata    Chinese caps,  Chinesecaps
native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia crenulata
© 2024 Alaine Arslan
Euphorbia crenulata
© 2008 Steve Matson
Euphorbia crenulata
© 2008 Steve Matson

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
© 2019 Steve Matson
Filago californica
© 2019 Steve Matson
Filago californica
© 2019 Steve Matson

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
© 2019 Ron Vanderhoff
Foeniculum vulgare
© 2023 Fred Roberts
Foeniculum vulgare
© 2022 Ryan O'Dell

Fragaria vesca    California strawberry,  Wild strawberry,  Wood strawberry
native
Perennial herb

ROSACEAE

Fragaria vesca
© 2024 Dana York
Fragaria vesca
© 2020 Cara Wilcox
Fragaria vesca
© 2023 R.A. Chasey

Fritillaria affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
© 2020 Ron Vanderhoff
Galium aparine
© 2023 Julia Markey
Galium aparine
© 2020 Ron Vanderhoff

Galium californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum
© 2006 Steve Matson
Galium californicum
© 2014 Steve Matson
Galium californicum
© 2022 Irene Rosen

Galium porrigens    Climbing bedstraw,  Graceful bedstraw,  Nuttall's bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens
© 2005 Steve Matson
Galium porrigens
© 2005 Steve Matson
Galium porrigens
© 2005 Steve Matson

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
© 2004 Michael Charters
Garrya elliptica
© 2020 John Rawlings
Garrya elliptica
© 2020 Eliezer Margolis

Gaultheria shallon    Salal
native
Shrub

ERICACEAE

Gaultheria shallon
© 2023 Mary Ann Machi
Gaultheria shallon
© 2016 Steve Matson
Gaultheria shallon
© 2023 Kyle Suchy

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

Genista monspessulana
© 2019 Ron Vanderhoff
Genista monspessulana
© 2019 Ron Vanderhoff
Genista monspessulana
© 2021 Michelle Karle

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
© 2021 Al Keuter
Geranium dissectum
© 2024 Mike Russler
Geranium dissectum
© 2014 Bryan Derr

Geranium retrorsum    New zealand geranium
invasive non-native
Perennial herb

GERANIACEAE

Geranium retrorsum
© 2012 Gary A. Monroe
Geranium retrorsum
© 2012 Gary A. Monroe
Geranium retrorsum
© 2012 Gary A. Monroe

Gilia achilleifolia ssp. multicaulis    Many stemmed california gilia,  Many stemmed gilia
native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. multicaulis
© 2022 Ron Vanderhoff
Gilia achilleifolia ssp. multicaulis
© 2022 Ron Vanderhoff
Gilia achilleifolia ssp. multicaulis
© 2021 Ron Vanderhoff

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2021 Helen Hancock

Gnaphalium bicolor    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

Gnaphalium bicolor
© 2019 David Greenberger
Gnaphalium bicolor
© 2019 Ron Vanderhoff
Gnaphalium bicolor
© 2019 Ron Vanderhoff

Gnaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Gnaphalium californicum
© 2019 Gary McDonald
Gnaphalium californicum
© 2020 Steven M Norris
Gnaphalium californicum
© 2021 Ron Vanderhoff

Gnaphalium luteo-album    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Gnaphalium luteo-album
© 2021 Ron Vanderhoff
Gnaphalium luteo-album
© 2019 Diane Etchison
Gnaphalium luteo-album
© 2015 Chris Jaster

Gnaphalium purpureum    Featherweed
native
Perennial herb

ASTERACEAE

Gnaphalium purpureum
© 2019 Gary McDonald
Gnaphalium purpureum
© 2019 Gary McDonald
Gnaphalium purpureum
© 2019 Gary McDonald

Gnaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Gnaphalium ramosissimum
© 2021 R.A. Chasey
Gnaphalium ramosissimum
© 2018 Parker Santiago
Gnaphalium ramosissimum
© 2017 Gary McDonald

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
© 2017 Gary McDonald
Gnaphalium stramineum
© 2017 Gary McDonald
Gnaphalium stramineum
© 2017 Gary McDonald

Grindelia stricta var. platyphylla    Gumplant,  Gumweed,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. platyphylla
© 2020 Mary Conway
Grindelia stricta var. platyphylla
© 2025 Mike Russler
Grindelia stricta var. platyphylla
© 2025 Mike Russler

Guillenia lasiophylla    California mustard
native
Annual herb

BRASSICACEAE

Guillenia lasiophylla
© 2022 Steve Matson
Guillenia lasiophylla
© 2023 Steve Matson
Guillenia lasiophylla
© 2010 Steve Matson

Hainardia cylindrica    Barbgrass,  Monerma,  Thin tail
non-native
Annual grass

POACEAE

Hainardia cylindrica
© 2022 Denise Defreese
Hainardia cylindrica
© 2009 Neal Kramer
Hainardia cylindrica
© 2024 R.A. Chasey

Hazardia squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa
© 2021 Mary Conway
Hazardia squarrosa
© 2019 Bonnie Nickel
Hazardia squarrosa
© 2022 Ron Vanderhoff

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
© 2021 Mike Russler
Helenium puberulum
© 2019 Patrick Furtado
Helenium puberulum
© 2018 Rachelle Gray

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
© 2018 Amy Rapport
Helianthemum scoparium
© 2023 Ron Vanderhoff
Helianthemum scoparium
© 2024 Mike Russler

Heliotropium curassavicum    Chinese parsley,  Heliotrope,  Salt heliotrope
native
Perennial herb

HELIOTROPIACEAE

Heliotropium curassavicum
© 2022 Mike Russler
Heliotropium curassavicum
© 2022 Fern Zalin Jones
Heliotropium curassavicum
© 2022 Mike Russler

Hemizonia corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Hemizonia corymbosa
© 2016 Michael Mitchell
Hemizonia corymbosa
© 2018 Zachariah Jordan
Hemizonia corymbosa
© 2015 Tim Miller

Heuchera micrantha    Alum root,  Crevice alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera micrantha
© 2008 Steve Matson
Heuchera micrantha
© 2008 Steve Matson
Heuchera micrantha
© 2008 Steve Matson

Heuchera pilosissima    Alum root,  Seaside alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera pilosissima
© 2021 Mary Conway
Heuchera pilosissima
© 2018 Hayley Ross
Heuchera pilosissima
© 2018 Hayley Ross

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
© 2003 Steve Matson
Hieracium albiflorum
© 2003 Steve Matson
Hieracium albiflorum
© 2003 Steve Matson

Hirschfeldia incana    Mediterranean hoary mustard,  Short podded mustard,  Summer mustard
invasive non-native
Perennial herb

BRASSICACEAE

Hirschfeldia incana
© 2017 Gary McDonald
Hirschfeldia incana
© 2017 Gary McDonald
Hirschfeldia incana
© 2022 Ron Vanderhoff

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus
© 2019 Bill Haley
Holcus lanatus
© 2024 David popp
Holcus lanatus
© 2019 Bill Haley

native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum ssp. brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum ssp. brachyantherum
© 2015 Steve Matson

Hordeum brachyantherum ssp. californicum    California barley,  California meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. californicum
© 2021 Cynthia Powell
Hordeum brachyantherum ssp. californicum
© 2021 John Rawlings
Hordeum brachyantherum ssp. californicum
© 2021 John Rawlings

Hordeum jubatum    Fox tail barley,  Foxtail barley,  Squirreltail barley
native
Perennial grass

POACEAE

Hordeum jubatum
© 2019 Rachelle Gray
Hordeum jubatum
© 2024 Julie A. Kierstead
Hordeum jubatum
© 2024 Julie A. Kierstead

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
© 2018 Carolyn
Hordeum marinum ssp. gussoneanum
© 2020 Paul Aigner
Hordeum marinum ssp. gussoneanum
© 2017 Toni Corelli

Hordeum murinum ssp. leporinum    Farmer's foxtail,  Foxtail barley,  Hare barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. leporinum
© 2022 Ron Vanderhoff
Hordeum murinum ssp. leporinum
© 2021 Al Keuter
Hordeum murinum ssp. leporinum
© 2021 Ron Vanderhoff

Horkelia californica    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica
© 2023 R.A. Chasey
Horkelia californica
© 2020 Mary Conway
Horkelia californica
© 2023 R.A. Chasey

Horkelia californica ssp. frondosa    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica ssp. frondosa
© 2023 R.A. Chasey
Horkelia californica ssp. frondosa
© 2023 R.A. Chasey
Horkelia californica ssp. frondosa
© 2023 R.A. Chasey

Horkelia cuneata    Wedge leaf horkelia,  Wedge leaved horkelia,  Wedgeleaf horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata
© 2020 Ron Vanderhoff
Horkelia cuneata
© 2020 David Greenberger
Horkelia cuneata
© 2019 Ron Vanderhoff

Hypericum anagalloides    Creeping st. john's wort,  Tinker's penny
native
Annual, Perennial herb

HYPERICACEAE

Hypericum anagalloides
© 2019 Bob Sweatt
Hypericum anagalloides
© 2020 Joaquin Hale
Hypericum anagalloides
© 2017 David Greenberger

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
© 2020 Ron Vanderhoff
Hypochaeris glabra
© 2017 Gary McDonald
Hypochaeris glabra
© 2019 Ron Vanderhoff

Hypochaeris radicata    Hairy cats ear,  Hairy catsear,  Rough cat's ear
invasive non-native
Perennial herb

ASTERACEAE

Hypochaeris radicata
© 2015 James Gonsman
Hypochaeris radicata
© 2017 Gary McDonald
Hypochaeris radicata
© 2016 Michael Mitchell

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
© 2020 Susan McDougall
Iris douglasiana
© 2019 Patrick Furtado
Iris douglasiana
© 2022 Suzanne L. Weakley

native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. bufonius
© 2021 John Rawlings
Juncus bufonius var. bufonius
© 2023 R.A. Chasey
Juncus bufonius var. bufonius
© 2019 Ron Vanderhoff

Juncus effusus var. brunneus    Coast or bog rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus var. brunneus
© 2019 Patrick Furtado
Juncus effusus var. brunneus
© 2021 John Rawlings
Juncus effusus var. brunneus
© 2021 John Rawlings

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2018 Emily Allen

Juncus phaeocephalus    Brown headed rush,  Brownhead rush
native
Perennial grasslike herb

JUNCACEAE

Juncus phaeocephalus
© 2021 Cynthia Powell
Juncus phaeocephalus
© 2021 Cynthia Powell
Juncus phaeocephalus
© 2017 Toni Corelli

Juncus tenuis    Poverty rush,  Slender rush
native
Perennial grasslike herb

JUNCACEAE

Juncus tenuis
© 2020 Peter Warner
Juncus tenuis
© 2020 Peter Warner
Juncus tenuis
© 2018 Emily Allen

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
© 2016 Erik Larsen
Juncus xiphioides
© 2017 Ron Vanderhoff
Juncus xiphioides
© 2023 R.A. Chasey

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson

Lasthenia californica    California goldfields,  Common goldfields,  Valley goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica
© 2017 David Greenberger
Lasthenia californica
© 2020 Susan White
Lasthenia californica
© 2017 MCOSD EDRR

Lasthenia minor    Coastal goldfields,  Smooth lasthenia,  Woolly goldfields
native
Annual herb

ASTERACEAE

Lasthenia minor
© 2007 Toni Corelli
Lasthenia minor
© 2019 James Gonsman
Lasthenia minor
© 2015 Toni Corelli

Lathyrus vestitus ssp. puberulus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus ssp. puberulus
© 2023 Steve Conger
Lathyrus vestitus ssp. puberulus
© 2022 Charles Russell
Lathyrus vestitus ssp. puberulus
© 2024 Ron Vanderhoff

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
© 2023 Steve Conger
Lathyrus vestitus var. vestitus
© 2022 Charles Russell
Lathyrus vestitus var. vestitus
© 2024 Ron Vanderhoff

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
© 2019 Steve Matson
Layia platyglossa
© 2019 Steve Matson
Layia platyglossa
© 2019 Steve Matson

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
© 2020 Janice Kuch
Lepechinia calycina
© 2024 Ben Spencer-Cooke
Lepechinia calycina
© 2023 Mike Russler

Lepidium nitidum    Peppergrass,  Shining pepper grass,  Shining pepperweed
native
Annual herb

BRASSICACEAE

Lepidium nitidum
© 2021 Steve Matson
Lepidium nitidum
© 2016 Steve Matson
Lepidium nitidum
© 2025 Jason Flores

Lepidium strictum    Peppergrass,  Prostrate pepper grass,  Upright pepperweed
native
Annual herb

BRASSICACEAE

Lepidium strictum
© 2022 Ron Vanderhoff
Lepidium strictum
© 2022 Jim Xerogeanes
Lepidium strictum
© 2022 Ron Vanderhoff

native
Perennial herb

ASTERACEAE

Lessingia filaginifolia var. californica
© 2022 Mike Russler
Lessingia filaginifolia var. californica
© 2018 Ron Vanderhoff
Lessingia filaginifolia var. californica
© 2023 Ron Vanderhoff

native
Perennial herb

ASTERACEAE

Lessingia filaginifolia var. filaginifolia
© 2022 Mike Russler
Lessingia filaginifolia var. filaginifolia
© 2018 Ron Vanderhoff
Lessingia filaginifolia var. filaginifolia
© 2023 Ron Vanderhoff

Leymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Leymus condensatus
© 2020 Ron Vanderhoff
Leymus condensatus
© 2024 Mel Letterman
Leymus condensatus
© 2020 Diane Etchison

Leymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Leymus triticoides
© 2024 Erin Bergman
Leymus triticoides
© 2021 Ron Vanderhoff
Leymus triticoides
© 2018 Rachelle Gray

Lilaea scilloides    Flowering-quillwort
native
Annual herb (aquatic)

JUNCAGINACEAE

Lilaea scilloides
© 2018 Carol Witham
Lilaea scilloides
© 2023 Ron Vanderhoff
Lilaea scilloides
© 2023 R.A. Chasey

Linanthus parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Linanthus parviflorus
© 2008 Keir Morse
Linanthus parviflorus
© 2008 Keir Morse
Linanthus parviflorus
© 2008 Keir Morse

Linaria canadensis    Canada toadflax
native
Annual, Biennial herb

PLANTAGINACEAE

Linaria canadensis
© 2016 Keir Morse
Linaria canadensis
© 2019 Mary Conway
Linaria canadensis
© 2019 Mary Conway

Linum bienne    Narrow leaved flax,  Pale flax,  Small flowered flax
non-native
Annual herb

LINACEAE

Linum bienne
© 2019 Ken Lunders
Linum bienne
© 2021 Cameron Chabre
Linum bienne
© 2018 Cynthia Powell

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
© 2019 David Greenberger
Lithophragma heterophyllum
© 2024 Suzanne L. Weakley
Lithophragma heterophyllum
© 2019 Mary Conway

Lobularia maritima    Sweet alyssum
invasive non-native
Perennial herb

BRASSICACEAE

Lobularia maritima
© 2016 Michael Mitchell
Lobularia maritima
© 2016 Michael Mitchell
Lobularia maritima
© 2019 Patrick Furtado

Lolium multiflorum    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium multiflorum
© 2019 Ron Vanderhoff
Lolium multiflorum
© 2023 Ron Vanderhoff
Lolium multiflorum
© 2021 Ron Vanderhoff

Lomatium parvifolium    Coastal biscuitroot,  Small leaved lomatium
rare native
Perennial herb

APIACEAE

Lomatium parvifolium
© 2020 David Greenberger
Lomatium parvifolium
© 2023 Mike Russler
Lomatium parvifolium
© 2021 Patrick Furtado

Lonicera hispidula var. vacillans    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula var. vacillans
© 2022 Suzanne L. Weakley
Lonicera hispidula var. vacillans
© 2021 Cara Wilcox
Lonicera hispidula var. vacillans
© 2018 Diana Wahl

Lonicera involucrata var. ledebourii    Coast twinberry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata var. ledebourii
© 2014 James Gonsman
Lonicera involucrata var. ledebourii
© 2022 Suzanne L. Weakley
Lonicera involucrata var. ledebourii
© 2010 Toni Corelli

Lotus benthamii    Bentham's deerweed
native
Perennial herb

FABACEAE

Lotus benthamii
© 2015 David Wolfson
Lotus benthamii
© 2019 Rebecca Schoenenberger
Lotus benthamii
© 2012 Terrence Gosliner

Lotus formosissimus    Harlequin lotus
rare native
Perennial herb

FABACEAE

Lotus formosissimus
© 2023 Steve Conger
Lotus formosissimus
© 2023 Mary Ann Machi
Lotus formosissimus
© 2023 Steve Conger

Lotus heermannii var. orbicularis    Round leaved heermann's lotus
native
Perennial herb

FABACEAE

Lotus heermannii var. orbicularis
© 2021 John Rawlings
Lotus heermannii var. orbicularis
© 2017 John Doyen
Lotus heermannii var. orbicularis
© 2014 Neal Kramer

Lotus junceus    Rush lotus
native
Perennial herb

FABACEAE

Lotus junceus
© 2016 John Doyen
Lotus junceus
© 2021 Toni Corelli
Lotus junceus
© 2023 Cynthia Powell

Lotus micranthus    Hill lotus
native
Annual herb

FABACEAE

Lotus micranthus
© 2008 Steve Matson
Lotus micranthus
© 2022 Dana York
Lotus micranthus
© 2008 Steve Matson

Lotus purshianus var. purshianus    American bird's foot trefoil,  American trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
© 2015 Steve Matson
Lotus purshianus var. purshianus
© 2015 Steve Matson
Lotus purshianus var. purshianus
© 2015 Steve Matson

Lotus scoparius    Deerweed
native
Perennial herb

FABACEAE

Lotus scoparius
© 2021 Ron Vanderhoff
Lotus scoparius
© 2019 Diane Etchison
Lotus scoparius
© 2020 Ron Vanderhoff

Lotus strigosus    Strigose lotus
native
Annual herb

FABACEAE

Lotus strigosus
© 2024 Mike Russler
Lotus strigosus
© 2023 Ron Vanderhoff
Lotus strigosus
© 2016 Steve Matson

Lotus wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

Lotus wrangelianus
© 2016 Steve Matson
Lotus wrangelianus
© 2016 Steve Matson
Lotus wrangelianus
© 2016 Steve Matson

Lupinus albifrons var. douglasii    Douglas' silver bush lupine,  Douglas' silver lupine,  long-bracted silver lupine
native
Shrub

FABACEAE

Lupinus albifrons var. douglasii
© 2013 James Gonsman
Lupinus albifrons var. douglasii
© 2019 Susan McDougall
Lupinus albifrons var. douglasii
© 2019 Susan McDougall

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
© 2020 Steve Matson
Lupinus arboreus
© 2014 Steve Matson
Lupinus arboreus
© 2014 Steve Matson

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
© 2016 Steve Matson
Lupinus nanus
© 2016 Steve Matson
Lupinus nanus
© 2016 Steve Matson

native
Shrub

FABACEAE

Lupinus variicolor
© 2022 Mary Sue Ittner
Lupinus variicolor
© 2015 James Gonsman
Lupinus variicolor
© 2022 Mary Sue Ittner

Luzula comosa    Common wood rush,  Hairy wood rush,  Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa
© 2021 Steve Matson
Luzula comosa
© 2021 Steve Matson
Luzula comosa
© 2021 Steve Matson

Lythrum californicum    California loosestrife,  Common loosestrife
native
Perennial herb

LYTHRACEAE

Lythrum californicum
© 2017 Fred Melgert / Carla Hoegen
Lythrum californicum
© 2024 Ken-ichi Ueda
Lythrum californicum
© 2023 Ryan O'Dell

Lythrum hyssopifolia    Hyssop loosestrife
invasive non-native
Annual, Perennial herb

LYTHRACEAE

Lythrum hyssopifolia
© 2019 Diane Etchison
Lythrum hyssopifolia
© 2021 Cynthia Powell
Lythrum hyssopifolia
© 2020 Ron Vanderhoff

Madia exigua    Little tarweed,  Meager tarweed,  Small tarweed
native
Annual herb

ASTERACEAE

Madia exigua
© 2023 Dianne Lake
Madia exigua
© 2023 Ron Vanderhoff
Madia exigua
© 2021 Helen Hancock

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
© 2024 Mike Russler
Madia gracilis
© 2021 Amber Bedgood
Madia gracilis
© 2019 Ron Vanderhoff

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

Malva nicaeensis
© 2023 Ron Vanderhoff
Malva nicaeensis
© 2020 Ron Vanderhoff
Malva nicaeensis
© 2020 Ron Vanderhoff

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

Malva parviflora
© 2022 Mike Russler
Malva parviflora
© 2022 Donald Burk
Malva parviflora
© 2022 Mike Russler

Marah fabaceus    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabaceus
© 2018 Gary McDonald
Marah fabaceus
© 2018 MCOSD EDRR
Marah fabaceus
© 2021 Cyril Guyot

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
© ©2013 Gary McDonald
Marrubium vulgare
© 2015 Diane Etchison
Marrubium vulgare
© 2018 Nancy Hamlett

Medicago polymorpha    Bur clover,  Bur medic,  California burclover
invasive non-native
Annual herb

FABACEAE

Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald

Melica bulbosa    Big oniongrass
native
Perennial grass

POACEAE

Melica bulbosa
© 2019 David popp
Melica bulbosa
© null
Melica bulbosa
© 2009 Trent M. Draper

Melica imperfecta    California melic,  Coast range melic,  Small flowered melica
native
Perennial grass

POACEAE

Melica imperfecta
© 2020 Ron Vanderhoff
Melica imperfecta
© 2021 Ron Vanderhoff
Melica imperfecta
© 2020 Ron Vanderhoff

Melilotus indica    Annual yellow sweetclover,  Sourclover
non-native
Annual herb

FABACEAE

Melilotus indica
© 2019 Randy Huey
Melilotus indica
© 2019 Randy Huey
Melilotus indica
© 2017 Rosalie Benitez

Mesembryanthemum crystallinum    Common iceplant,  Crystalline ice plant
invasive non-native
Annual herb

AIZOACEAE

Mesembryanthemum crystallinum
© 2019 Naomi Goegan
Mesembryanthemum crystallinum
© 2019 Nathan Taxel
Mesembryanthemum crystallinum
© 2022 David Strauch

Microseris bigelovii    Coast microseris,  Coastal silverpuffs
native
Annual herb

ASTERACEAE

Microseris bigelovii
© 2023 Leslie Flint
Microseris bigelovii
© 2022 R.A. Chasey
Microseris bigelovii
© 2011 Toni Corelli

Mimulus aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus
© 2019 Mary Gerbic

Mimulus guttatus    Seep monkey flower,  Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Mimulus guttatus
© 2019 Stacie Wolny
Mimulus guttatus
© 2015 James Gonsman
Mimulus guttatus
© 2019 Stacie Wolny

Montia fontana    Annual water minerslettuce,  Water chickweed,  Water montia
native
Annual herb

MONTIACEAE

Montia fontana
© 2006 Steve Matson
Montia fontana
© 2021 Steve Matson
Montia fontana
© 2006 Steve Matson

Myrica californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Myrica californica
© 2019 Michelle Karle
Myrica californica
© 2020 Kim Cabera
Myrica californica
© 2020 Susan McDougall

Nassella pulchra    Purple needle grass
native
Perennial grass

POACEAE

Nassella pulchra
© 2019 Michelle Karle
Nassella pulchra
© 2008 Zoya Akulova
Nassella pulchra
© 2019 Ron Vanderhoff

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
© 2024 Mike Russler
Navarretia squarrosa
© 2019 Patrick Furtado
Navarretia squarrosa
© 2022 Suzanne L. Weakley

Nemophila heterophylla    Canyon nemophila,  Small baby blue eyes,  Variable leaved nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila heterophylla
© 2006 Steve Matson
Nemophila heterophylla
© 2005 Steve Matson
Nemophila heterophylla
© 2005 Steve Matson

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii
© 2019 Matt Berger
Nemophila menziesii
© 2019 Diane Etchison
Nemophila menziesii
© 2019 Ron Vanderhoff

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
© 2019 Margo Bors
Oemleria cerasiformis
© 2019 Stacie Wolny
Oemleria cerasiformis
© 2023 David Wolfson

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
© 2021 Don Hollander
Oenanthe sarmentosa
© 2021 Ron Vanderhoff
Oenanthe sarmentosa
© 2021 Rosaleen

Oenothera elata    Evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata
© 2020 Ron Vanderhoff
Oenothera elata
© 2020 Diane Etchison
Oenothera elata
© 2021 Mike Russler

Orobanche californica    California orobanche
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche californica
© 2024 Neil Uelman
Orobanche californica
© 2014 Steve Matson
Orobanche californica
© 2024 Ron Vanderhoff

Osmorhiza chilensis    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza chilensis
© 2006 Steve Matson
Osmorhiza chilensis
© 2006 Steve Matson
Osmorhiza chilensis
© 2006 Steve Matson

Oxalis albicans ssp. pilosa    Hairy wood sorrel
native
Annual herb

OXALIDACEAE

Oxalis albicans ssp. pilosa
© 2022 R.A. Chasey
Oxalis albicans ssp. pilosa
© 2022 Cynthia Powell
Oxalis albicans ssp. pilosa
© 2022 Ken-ichi Ueda

Parapholis incurva    Curved sicklegrass,  Sickle grass
non-native
Annual grass

POACEAE

Parapholis incurva
© 2022 R.A. Chasey
Parapholis incurva
© 2021 Cynthia Powell
Parapholis incurva
© 2022 Ron Vanderhoff

Parietaria hespera    Pelitory,  Pellitory,  Rillita pellitory
native
Annual herb

URTICACEAE

Parietaria hespera
© 2022 Matt Berger
Parietaria hespera
© 2019 Ron Vanderhoff
Parietaria hespera
© 2021 Ron Vanderhoff

Pellaea mucronata var. mucronata    Bird's foot fern
native
Fern

PTERIDACEAE

Pellaea mucronata var. mucronata
© 2018 Rachelle Gray
Pellaea mucronata var. mucronata
© 2023 Helen Hancock
Pellaea mucronata var. mucronata
© 2023 Helen Hancock

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2019 Gary McDonald

Perideridia gairdneri    Gairdner's yampah,  Gardner's yampah
native
Perennial herb

APIACEAE

Perideridia gairdneri
© 2023 Cynthia Powell
Perideridia gairdneri
© 2021 Larry Dizmang
Perideridia gairdneri
© 2020 Mary Conway

Phacelia distans    Common phacelia,  Distant phacelia,  Wild heliotrope
native
Annual herb

HYDROPHYLLACEAE

Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2022 Ron Vanderhoff

Phacelia malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia malvifolia
© 2018 Michael Mitchell
Phacelia malvifolia
© 2022 R.A. Chasey
Phacelia malvifolia
© 2018 Rebecca Schoenenberger

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

Phalaris californica
© 2021 Dan Quinn
Phalaris californica
© 2017 Toni Corelli
Phalaris californica
© 2018 Brian Charles

Pholistoma auritum    Blue fiestaflower,  Fiesta flower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma auritum
© 2014 Steve Matson
Pholistoma auritum
© 2014 Steve Matson
Pholistoma auritum
© 2014 Steve Matson

Phyllospadix scouleri    Scouler's surfgrass,  Surf grass
native
Perennial herb

ZOSTERACEAE

Phyllospadix scouleri
© 2010 Avis Boutell
Phyllospadix scouleri
© 2010 Avis Boutell
Phyllospadix scouleri
© 2019 Patrick Furtado

Phyllospadix torreyi    Surf grass,  Torrey's surfgrass
native
Perennial herb

ZOSTERACEAE

Phyllospadix torreyi
© 2018 Ron Vanderhoff
Phyllospadix torreyi
© 2022 Ron Vanderhoff
Phyllospadix torreyi
© 2022 Ron Vanderhoff

Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
© 2011 Toni Corelli
Pinus radiata
© 2012 Michael Mitchell
Pinus radiata
© 2012 Michael Mitchell

Piperia elegans    Coast piperia,  Elegant piperia,  Elegant rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elegans
© 2023 Steve Conger
Piperia elegans
© 2018 Alexandra Kookootsedes
Piperia elegans
© 2022 Hunter Breck

Plagiobothrys chorisianus var. hickmanii    Hickman's popcorn flower,  Hickman's popcornflower
rare native
Annual herb

BORAGINACEAE

Plagiobothrys chorisianus var. hickmanii
© 2022 Steven Mills Glascock
Plagiobothrys chorisianus var. hickmanii
© 2023 Ellen Uhler
Plagiobothrys chorisianus var. hickmanii
© 2022 Irene Rosen

Plantago elongata    Annual coast plantago,  Coastal plantain,  Long leaf plantain
native
Annual herb

PLANTAGINACEAE

Plantago elongata
© 2017 Barbara Boethling
Plantago elongata
© 2019 Ron Vanderhoff
Plantago elongata
© 2020 Ron Vanderhoff

Plantago erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

Plantago erecta
© 2008 Steve Matson
Plantago erecta
© 2022 Steve Matson
Plantago erecta
© 2022 Steve Matson

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
© 2019 Bob Sweatt
Plantago major
© 2022 Diana Wahl
Plantago major
© 2020 Ryan Carle

Plantago maritima    Alkali plantain,  Goose tongue,  Maritime plantain
native
Perennial herb

PLANTAGINACEAE

Plantago maritima
© 2018 Adam Chasey
Plantago maritima
© 2021 Jamie Spielmann
Plantago maritima
© 2020 Ken Hickman

Plantago ovata    Desert indianwheat,  Desert plantain,  Woolly plantain
native
Annual herb

PLANTAGINACEAE

Plantago ovata
© 2005 Steve Matson
Plantago ovata
© 2019 Diane Etchison
Plantago ovata
© 2019 Stacie Wolny

Plantago subnuda    Mexican plantain,  Naked plantain,  Tall coastal plantain
native
Perennial herb

PLANTAGINACEAE

Plantago subnuda
© 2019 Patrick Furtado
Plantago subnuda
© 2022 Dianne Lake
Plantago subnuda
© 2009 Toni Corelli

Plectritis macrocera    Long horn plectritis,  Longhorn plectritis,  White plectritis
native
Annual herb

VALERIANACEAE

Plectritis macrocera
© 2019 Gary McDonald
Plectritis macrocera
© 2020 Bob Sweatt
Plectritis macrocera
© 2020 Susan McDougall

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
© 2021 Ron Vanderhoff
Poa annua
© 2022 John Rawlings
Poa annua
© 2015 Richard Chasey

Poa douglasii    Douglas bluegrass,  Douglas' bluegrass,  Maritime bluegrass
native
Perennial grass

POACEAE

Poa douglasii
© 2011 Toni Corelli
Poa douglasii
© 2014 Alice Cumings
Poa douglasii
© 2011 Toni Corelli

Polycarpon depressum    California allseed,  California manyseed,  California polycarpon
native
Annual herb

CARYOPHYLLACEAE

Polycarpon depressum
© 2023 James Bailey
Polycarpon depressum
© 2023 James Bailey
Polycarpon depressum
© 2022 Ken Hickman

Polygala californica    California Milkwort
native
Perennial herb

POLYGALACEAE

Polygala californica
© 2020 Janice Kuch
Polygala californica
© 2021 Larry Dizmang
Polygala californica
© 2020 David Wolfson

Polygonum arenastrum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum arenastrum
© 2016 Barbara Boethling
Polygonum arenastrum
© 2021 Ron Vanderhoff
Polygonum arenastrum
© 2014 Richard Chasey

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
© 2020 Ron Vanderhoff
Polypodium californicum
© 2021 Ron Vanderhoff
Polypodium californicum
© 2023 Keir Morse

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
© 2008 Steve Matson
Polypogon monspeliensis
© 2014 Steve Matson
Polypogon monspeliensis
© 2008 Steve Matson

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
© 2021 Julie A. Kierstead
Polystichum munitum
© 2022 Jerry Murray
Polystichum munitum
© 2011 Toni Corelli

Populus balsamifera ssp. trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa
© 2019 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
© 2012 Steve Matson
Populus balsamifera ssp. trichocarpa
© 2021 Ron Vanderhoff

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
© 2022 R.A. Chasey
Potentilla anserina ssp. pacifica
© 2021 Charles Russell
Potentilla anserina ssp. pacifica
© 2022 R.A. Chasey

Potentilla glandulosa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

Potentilla glandulosa
© 2020 Mary Conway
Potentilla glandulosa
© 2019 Diane Etchison
Potentilla glandulosa
© 2020 Diane Etchison

Prunus ilicifolia ssp. lyonii    Catalina cherry,  Hollyleaf cherry,  Island cherry
native
Tree

ROSACEAE

Prunus ilicifolia ssp. lyonii
© 2023 Ron Vanderhoff
Prunus ilicifolia ssp. lyonii
© 2022 Ron Vanderhoff
Prunus ilicifolia ssp. lyonii
© 2023 Patti P.

Psilocarphus tenellus var. globiferus    Round woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus tenellus var. globiferus
© 2023 Toni Corelli
Psilocarphus tenellus var. globiferus
© 2024 Kyle Suchy
Psilocarphus tenellus var. globiferus
© 2011 Avis Boutell

Psilocarphus tenellus var. tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus var. tenellus
© 2006 Steve Matson
Psilocarphus tenellus var. tenellus
© 2006 Steve Matson
Psilocarphus tenellus var. tenellus
© 2018 Ron Vanderhoff

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
© 2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
© 2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
© 2022 Bob Sweatt

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2005 Steve Matson

Quercus agrifolia var. agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia var. agrifolia
© 2023 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2021 Al Keuter

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
© 2016 Steve Matson
Ranunculus californicus
© 2016 Steve Matson
Ranunculus californicus
© 2016 Steve Matson

Raphanus sativus    Cultivated radish,  Jointed charlock,  Wild radish
invasive non-native
Annual, Biennial herb

BRASSICACEAE

Raphanus sativus
© 2017 Lisa Miller
Raphanus sativus
© 2020 Ron Vanderhoff
Raphanus sativus
© 2023 Julia Markey

Rhamnus californica    California coffeeberry
native
Shrub

RHAMNACEAE

Rhamnus californica
© 2015 Steve Matson
Rhamnus californica
© 2016 Steve Matson
Rhamnus californica
© 2015 Steve Matson

Ribes menziesii    Canyon gooseberry,  Gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii
© 2016 Steve Matson
Ribes menziesii
© 2016 Steve Matson
Ribes menziesii
© 2016 Steve Matson

Ribes menziesii var. hystrix    Canyon gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii var. hystrix
© 2018 Rebecca Schoenenberger
Ribes menziesii var. hystrix
© 2019 Michael Mitchell
Ribes menziesii var. hystrix
© 2018 Rebecca Schoenenberger

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
© 2025 Mary Ann Machi
Ribes sanguineum var. glutinosum
© 2016 Steve Matson
Ribes sanguineum var. glutinosum
© 2017 Steve Matson

native
Perennial herb (aquatic)

BRASSICACEAE

Rorippa nasturtium-aquaticum
© 2012 Steve Matson
Rorippa nasturtium-aquaticum
© 2012 Steve Matson
Rorippa nasturtium-aquaticum
© 2012 Steve Matson

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2021 Sue Graue

Rubus parviflorus    Western thimbleberry,  Thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
© 2022 Zoya Akulova-Barlow
Rubus parviflorus
© 2020 Mary Sue Ittner
Rubus parviflorus
© 2018 Abbot Chambers

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
© 2018 Ken Lunders
Rubus ursinus
© 2019 Ron Vanderhoff
Rubus ursinus
© 2015 Kelli Kallenborn

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
© 2017 Gary McDonald
Rumex acetosella
© 2008 Steve Matson
Rumex acetosella
© 2019 Patrick Furtado

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
© 2020 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff

Rumex crispus    Curly dock,  Curly leaved dock,  Rhubarb
invasive non-native
Perennial herb

POLYGONACEAE

Rumex crispus
© 2018 Tim Lewis
Rumex crispus
© 2019 Diane Etchison
Rumex crispus
© 2023 Ron Vanderhoff

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
© 2020 Ryan Carle
Rumex pulcher
© 2022 Chris McDonald
Rumex pulcher
© 2021 David popp

Rumex salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2023 Helen Hancock

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
© 2019 Patrick Furtado
Rumex salicifolius var. crassus
© 2024 R.A. Chasey
Rumex salicifolius var. crassus
© 2021 Cynthia Powell

Rupertia physodes    California tea,  Common rupertia,  Forest scurfpea
native
Perennial herb

FABACEAE

Rupertia physodes
© 2021 Mary Ann Machi
Rupertia physodes
© 2023 Steve Conger
Rupertia physodes
© 2020 R.A. Chasey

Sagina decumbens ssp. occidentalis    Western pearlwort
native
Annual herb

CARYOPHYLLACEAE

Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff

Salicornia virginica    Virginia glasswort
native
Annual herb

CHENOPODIACEAE

Salicornia virginica
© 2012 Jason Matthias Mills
Salicornia virginica
© 2014 Cuyler Stapelmann
Salicornia virginica
© 2006 Doreen L. Smith

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
© 2019 Steve Matson
Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2020 Steve Matson

Salix scouleriana    Nuttall willow,  Scouler willow,  Scouler's willow
native
Tree, Shrub

SALICACEAE

Salix scouleriana
© 2012 Steve Matson
Salix scouleriana
© 2012 Steve Matson
Salix scouleriana
© 2012 Steve Matson

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
© 2020 Ron Vanderhoff
Salvia columbariae
© 2022 Mike Russler
Salvia columbariae
© 2022 Mike Russler

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
© 2017 Steve Matson
Salvia mellifera
© 2022 Suzanne L. Weakley
Salvia mellifera
© 2019 Diane Etchison

Salvia microphylla    Baby sage
non-native
Shrub

LAMIACEAE

Salvia microphylla
© 2019 Randy Huey
Salvia microphylla
© 2015 Ron Vanderhoff
Salvia microphylla
© 2015 Ron Vanderhoff

Sambucus mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus mexicana
© 2021 Mike Russler
Sambucus mexicana
© 2020 Diane Etchison
Sambucus mexicana
© 2022 El Byrne

Sanicula arctopoides    Footsteps of spring,  Yellow mats
native
Perennial herb

APIACEAE

Sanicula arctopoides
© 2019 Eliezer Margolis
Sanicula arctopoides
© 2017 James Gonsman
Sanicula arctopoides
© 2019 Patrick Furtado

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2021 Steve Laymon

Sanicula laciniata    Coast sanicle,  Coastal blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula laciniata
© 2022 Alice Cummings
Sanicula laciniata
© 2020 Mary Conway
Sanicula laciniata
© 2018 Ken Hickman

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Satureja douglasii
© 2019 Gary McDonald
Satureja douglasii
© 2012 Gary McDonald
Satureja douglasii
© 2012 Gary McDonald

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica
© 2016 Steve Matson
Saxifraga californica
© 2016 Steve Matson
Saxifraga californica
© 2016 Steve Matson

Scabiosa atropurpurea    Pincushion flower,  Pincushion plant,  Pincushions
invasive non-native
Annual herb

DIPSACACEAE

Scabiosa atropurpurea
© 2021 Ken Lunders
Scabiosa atropurpurea
© 2021 Mike Russler
Scabiosa atropurpurea
© 2021 Ken Lunders

Scirpus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus americanus
© 2021 Ron Vanderhoff
Scirpus americanus
© 2016 Joan Hampton
Scirpus americanus
© 2020 Ron Vanderhoff

Scirpus cernuus    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Scirpus cernuus
© 2021 R.A. Chasey
Scirpus cernuus
© 2023 R.A. Chasey
Scirpus cernuus
© 2018 Ron Vanderhoff

Scirpus koilolepis    Keeled bulrush
native
Annual grasslike herb

CYPERACEAE

Scirpus koilolepis
© 2024 R.A. Chasey
Scirpus koilolepis
© 2021 John Rawlings
Scirpus koilolepis
© 2023 R.A. Chasey

Scirpus microcarpus    Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
© 2022 Doug Allshouse
Scirpus microcarpus
© 2008 Steve Matson
Scirpus microcarpus
© 2013 Ron Vanderhoff

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica
© 2020 Bob Sweatt
Scrophularia californica
© 2006 Steve Matson
Scrophularia californica
© 2019 Cynthia Powell

Selaginella bigelovii    Bigelow's moss fern,  Bigelow's spike moss,  Bushy spikemoss
Selaginella bigelovii
© 2019 Ron Vanderhoff
Selaginella bigelovii
© 2019 Ron Vanderhoff
Selaginella bigelovii
© 2018 Ron Vanderhoff

Sequoia sempervirens    Coast redwood
native
Tree

CUPRESSACEAE

Sequoia sempervirens
© 2019 Patrick Furtado
Sequoia sempervirens
© 2022 David Strauch
Sequoia sempervirens
© 2019 R.A. Chasey

Sidalcea malviflora    Checker bloom,  Checker mallow,  Dwarf checkerbloom
native
Perennial herb

MALVACEAE

Sidalcea malviflora
© 2024 Mary Ann Machi
Sidalcea malviflora
© 2019 Mary Wloch
Sidalcea malviflora
© 2021 R.A. Chasey

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
© 2019 Mary Wloch
Silene gallica
© 2017 Gary McDonald
Silene gallica
© 2019 Gary McDonald

Silene multinervia    Fire following campion
non-native
Annual herb

CARYOPHYLLACEAE

Silene multinervia
© 2015 Ron Vanderhoff
Silene multinervia
© 2019 Ron Vanderhoff
Silene multinervia
© 2019 Ron Vanderhoff

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
© 2020 Nancy Hamlett
Silybum marianum
© 2019 Marisa Persaud
Silybum marianum
© 2018 Angelique Herman

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

Sinapis arvensis
© 2020 Randy Huey
Sinapis arvensis
© 2022 Mike Russler
Sinapis arvensis
© 2023 Andy Ford

Sisymbrium altissimum    Tall tumblemustard,  Tumble mustard,  Tumbling mustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium altissimum
© 2019 Ron Vanderhoff
Sisymbrium altissimum
© 2020 Ron Vanderhoff
Sisymbrium altissimum
© 2020 Ron Vanderhoff

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
© 2021 Ann Garside
Sisymbrium officinale
© 2022 Julian Geoghegan
Sisymbrium officinale
© 2021 Ron Vanderhoff

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
© 2024 Steve Conger
Sisyrinchium bellum
© 2024 Ron Vanderhoff
Sisyrinchium bellum
© 2019 Stacie Wolny

Smilacina racemosa    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina racemosa
© 2017 Steve Matson
Smilacina racemosa
© 2018 Steve Matson
Smilacina racemosa
© 2017 Steve Matson

Smilacina stellata    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina stellata
© 2003 Steve Matson
Smilacina stellata
© 2003 Steve Matson
Smilacina stellata
© 2003 Steve Matson

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
© 2006 Steve Matson
Solanum douglasii
© 2024 Mike Russler
Solanum douglasii
© 2006 Steve Matson

Solanum nigrum    Black nightshade
non-native
Annual herb

SOLANACEAE

Solanum nigrum
© 2019 Julian Geoghegan
Solanum nigrum
© 2019 Patrick Furtado
Solanum nigrum
© 2021 Mike Russler

Solidago californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago californica
© 2013 Steve Matson
Solidago californica
© 2008 Steve Matson
Solidago californica
© 2008 Steve Matson

native
Perennial herb

ASTERACEAE

Solidago spathulata ssp. spathulata
© 2016 Steve Matson
Solidago spathulata ssp. spathulata
© 2016 Steve Matson
Solidago spathulata ssp. spathulata
© 2016 Steve Matson

Soliva sessilis    Common soliva,  Field burrweed,  South american soliva
non-native
Annual herb

ASTERACEAE

Soliva sessilis
© 2023 R.A. Chasey
Soliva sessilis
© 2019 Abbot Chambers
Soliva sessilis
© 2019 Abbot Chambers

Sonchus asper ssp. asper    Prickly sow thistle,  Sow thistle
invasive non-native
Annual herb

ASTERACEAE

Sonchus asper ssp. asper
© 2014 Gary McDonald
Sonchus asper ssp. asper
© 2022 Ron Vanderhoff
Sonchus asper ssp. asper
© 2014 Gary McDonald

Sonchus oleraceus    Common sow thistle,  Common sowthistle,  Sow thistle
non-native
Annual herb

ASTERACEAE

Sonchus oleraceus
© 2019 Diane Etchison
Sonchus oleraceus
© 2015 Jesse Rorabaugh
Sonchus oleraceus
© 2024 Ron Vanderhoff

non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis ssp. arvensis
© 2019 Diane Etchison
Spergula arvensis ssp. arvensis
© 2022 David Strauch
Spergula arvensis ssp. arvensis
© 2022 Cynthia Powell

Spergularia macrotheca    Large flowered sand spurry,  Sticky sand spurry,  Sticky sandspurry
native
Perennial herb

CARYOPHYLLACEAE

Spergularia macrotheca
© 2025 Ken-ichi Ueda
Spergularia macrotheca
© 2019 Steve Matson
Spergularia macrotheca
© 2019 Steve Matson

Spergularia rubra    Purple sand spurry,  Red sandspurry,  Ruby sandspurry
non-native
Annual, Perennial herb

CARYOPHYLLACEAE

Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff

Spiranthes romanzoffiana    Hooded ladies tresses,  Hooded ladies' tresses,  Ladies' tresses
native
Perennial herb

ORCHIDACEAE

Spiranthes romanzoffiana
© 2003 Steve Matson
Spiranthes romanzoffiana
© 2003 Steve Matson
Spiranthes romanzoffiana
© 2003 Steve Matson

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
© 2014 Steve Matson
Stachys bullata
© 2014 Steve Matson
Stachys bullata
© 2014 Steve Matson

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2015 Diane Etchison

Stephanomeria virgata ssp. pleurocarpa    Tall stephanomeria,  Wand stephanomeria,  Wand wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
© 2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
© 2023 R.A. Chasey
Stephanomeria virgata ssp. pleurocarpa
© 2018 Richard Spjut

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
© 2022 Dana York
Symphoricarpos mollis
© 2020 Cara Wilcox
Symphoricarpos mollis
© 2019 Ron Vanderhoff

Tetragonia tetragonioides    New zealand spinach
invasive non-native
Annual herb

AIZOACEAE

Tetragonia tetragonioides
© 2017 James Bailey
Tetragonia tetragonioides
© 2022 David Strauch
Tetragonia tetragonioides
© 2009 Neal Kramer

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
© 2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
© 2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
© 2020 Diane Etchison

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
© 2020 Ron Vanderhoff
Toxicodendron diversilobum
© 2019 Randy Huey
Toxicodendron diversilobum
© 2025 Mike Russler

Trientalis latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Trientalis latifolia
© 2008 Steve Matson
Trientalis latifolia
© 2016 Steve Matson
Trientalis latifolia
© 2024 Ben Spencer-Cooke

Trifolium barbigerum    Bearded clover
native
Annual herb

FABACEAE

Trifolium barbigerum
© 2023 R.A. Chasey
Trifolium barbigerum
© 2010 Toni Corelli
Trifolium barbigerum
© 2017 Toni Corelli

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff
Trifolium depauperatum var. truncatum
© 2024 Ryan O'Dell
Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff

Trifolium gracilentum    Graceful clover,  Pin point clover,  Pinpoint clover
native
Annual herb

FABACEAE

Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson

Trifolium macraei    Chilean clover,  Macrae's clover
native
Annual herb

FABACEAE

Trifolium macraei
© 2009 Toni Corelli
Trifolium macraei
© 2022 R.A. Chasey
Trifolium macraei
© 2024 R.A. Chasey

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
© 2005 Steve Matson
Trifolium microcephalum
© 2016 Michael Mitchell
Trifolium microcephalum
© 2019 Ron Vanderhoff

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2018 Stacie Wolny

Trifolium wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii
© 2021 Bob Sweatt
Trifolium wormskioldii
© 2023 Mike Russler
Trifolium wormskioldii
© 2021 Alison Gardner

Triphysaria pusilla    Dwarf owl's clover,  Little owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson

Triteleia hyacinthina    White brodiaea,  Wild hyacinth,  White Brodiaea, Fool's Onion
native
Perennial herb

THEMIDACEAE

Triteleia hyacinthina
© 2008 Steve Matson
Triteleia hyacinthina
© 2008 Steve Matson
Triteleia hyacinthina
© 2008 Steve Matson

Triteleia Xversicolor    Golden brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia Xversicolor
© 2020 Mary Conway
Triteleia Xversicolor
© 2019 Mary Conway
Triteleia Xversicolor
© 2020 John Rawlings

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
© 2019 Zack Abbey
Uropappus lindleyi
© 2019 Ron Vanderhoff
Uropappus lindleyi
© 2016 Ron Vanderhoff

Urtica dioica ssp. holosericea    Giant creek nettle,  Hoary nettle,  Mountain nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea
© 2014 Steve Matson
Urtica dioica ssp. holosericea
© 2014 Steve Matson
Urtica dioica ssp. holosericea
© 2014 Steve Matson

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
© 2017 James Gonsman
Vaccinium ovatum
© 2015 Chris Jaster
Vaccinium ovatum
© 2021 Mike Russler

Verbena lasiostachys    Common verbena,  Vervain,  Western verbena
native
Perennial herb

VERBENACEAE

Verbena lasiostachys
© 2010 Steve Matson
Verbena lasiostachys
© 2010 Steve Matson
Verbena lasiostachys
© 2010 Steve Matson

Veronica americana    American brooklime,  American speedwell,  Brooklime
native
Perennial herb

PLANTAGINACEAE

Veronica americana
© 2016 Steve Matson
Veronica americana
© 2016 Steve Matson
Veronica americana
© 2016 Steve Matson

Vicia americana var. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana var. americana
© 2008 Steve Matson
Vicia americana var. americana
© 2008 Steve Matson
Vicia americana var. americana
© 2008 Steve Matson

Vicia ludoviciana var. ludoviciana    Louisiana vetch
native
Annual herb

FABACEAE

Vicia ludoviciana var. ludoviciana
© 2022 Ron Vanderhoff
Vicia ludoviciana var. ludoviciana
© 2023 Ron Vanderhoff
Vicia ludoviciana var. ludoviciana
© 2022 Ron Vanderhoff

Viola pedunculata    California golden violet,  Johnny jump up
native
Perennial herb

VIOLACEAE

Viola pedunculata
© 2014 Steve Matson
Viola pedunculata
© 2014 Steve Matson
Viola pedunculata
© 2014 Steve Matson

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

Vulpia bromoides
© 2022 Diana Wahl
Vulpia bromoides
© 2021 Toni Corelli
Vulpia bromoides
© 2021 David popp

Vulpia myuros var. myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros var. myuros
© 2021 Aaron Echols
Vulpia myuros var. myuros
© 2021 Ron Vanderhoff
Vulpia myuros var. myuros
© 2022 John Rawlings

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
© 2019 Julie Kierstead Nelson
Woodwardia fimbriata
© 2020 R.A. Chasey
Woodwardia fimbriata
© 2020 Julie A. Kierstead

Xanthium spinosum    Spiny clotbur,  Spiny cockleburr
non-native
Annual herb

ASTERACEAE

Xanthium spinosum
© 2017 B.J. Dion
Xanthium spinosum
© 2021 Lynn Overtree
Xanthium spinosum
© 2017 B.J. Dion

Zigadenus fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Zigadenus fremontii
© 2024 Carissa Brands
Zigadenus fremontii
© 2024 Mary Conway
Zigadenus fremontii
© 2021 Kristen Nelson

Zostera marina    Eel grass,  Eelgrass,  Seawrack
native
Perennial herb

ZOSTERACEAE

Zostera marina
© 2021 Michelle Karle
Zostera marina
© 2021 Ron Vanderhoff
Zostera marina
© 2013 Ron Vanderhoff