logo Calflora  Illustrated Plant List 
Sea Ranch
North Coast; Hwy 1 on W side above Ft. Ross. (private)

Sonoma County

Hektner, M; Foin, T.  / G.F. Hrusa checklists  (1977-01-01)

Record Detail Nearby Surveys What Grows Here?
316 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

Acaena pinnatifida var. californica    California sheepburr
native
Perennial herb

ROSACEAE

Acaena pinnatifida var. californica
© 2020 R.A. Chasey
Acaena pinnatifida var. californica
© 2022 Ken-ichi Ueda
Acaena pinnatifida var. californica
© 2020 R.A. Chasey

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Adiantum aleuticum    Five finger fern
native
Fern

PTERIDACEAE

Adiantum aleuticum
© 2013 BOB CASE
Adiantum aleuticum
© 2018 Neal Kramer
Adiantum aleuticum
© 2021 R.A. Chasey

Agrostis blasdalei    Blasdale bentgrass,  Blasdale's bent grass
rare native
Perennial grass (rhizomatous)

POACEAE

Agrostis blasdalei
© 2013 James Gonsman
Agrostis blasdalei
© 2022 R.A. Chasey
Agrostis blasdalei
© 2022 R.A. Chasey

Agrostis capillaris    Colonial bentgrass
non-native
Perennial grass

POACEAE

Agrostis capillaris
© 2005 Steve Matson
Agrostis capillaris
© 2005 Steve Matson
Agrostis capillaris
© 2005 Steve Matson

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

Aira praecox    Yellow hairgrass
invasive non-native
Annual grass

POACEAE

Aira praecox
© 2018 Ken Hickman
Aira praecox
© 2022 John Rawlings
Aira praecox
© 2010 National Park Service

Allium dichlamydeum    Coast onion,  Coastal onion
native
Perennial herb (bulb)

ALLIACEAE

Allium dichlamydeum
© 2017 Mary Sue Ittner
Allium dichlamydeum
© 2020 Sara Timby
Allium dichlamydeum
© 2020 Mary Sue Ittner

Allium unifolium    One leaf onion,  Oneleaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium unifolium
© 2021 Doug Allshouse
Allium unifolium
© 2020 stephen rosenthal
Allium unifolium
© 2023 Mary Ann Machi

Alnus rubra    Oregon alder,  Red alder
native
Tree, Shrub

BETULACEAE

Alnus rubra
© 2023 Michael Perlmutter
Alnus rubra
© 2021 R.A. Chasey
Alnus rubra
© 2021 R.A. Chasey

Alopecurus pratensis    Meadow foxtail
invasive non-native
Perennial grass

POACEAE

Alopecurus pratensis
© 2022 Mike Russler
Alopecurus pratensis
© 2023 R.A. Chasey
Alopecurus pratensis
© 2015 David Greenberger

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

Ambrosia chamissonis
© 2016 Steve Matson
Ambrosia chamissonis
© 2016 Steve Matson
Ambrosia chamissonis
© 2016 Steve Matson

Ammophila arenaria    Beachgrass,  European beach grass,  European beachgrass
invasive non-native
Perennial grass

POACEAE

Ammophila arenaria
© 2016 Steve Matson
Ammophila arenaria
© 2016 Steve Matson
Ammophila arenaria
© 2016 Steve Matson

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
© 2017 B.J. Dion
Anagallis arvensis
© 2022 Chris McDonald
Anagallis arvensis
© 2023 Ron Vanderhoff

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

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

Angelica hendersonii    Coast angelica,  Henderson's angelica
native
Perennial herb

APIACEAE

Angelica hendersonii
© 2020 Suzanne L. Weakley
Angelica hendersonii
© 2021 Jamie Spielmann
Angelica hendersonii
© 2022 Diana Wahl

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

Anthoxanthum odoratum    Sweet vernal grass,  Sweet vernalgrass
invasive non-native
Annual, Perennial grass

POACEAE

Anthoxanthum odoratum
© 2017 Steve Matson
Anthoxanthum odoratum
© 2017 Steve Matson
Anthoxanthum odoratum
© 2017 Steve Matson

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
© 2021 Cynthia Powell
Arbutus menziesii
© 2021 R.A. Chasey
Arbutus menziesii
© 2021 Hunter Breck

Arctostaphylos columbiana    Hairy manzanita,  Redwood manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos columbiana
© 2023 Caitlyn Allchin
Arctostaphylos columbiana
© 2023 Dana York
Arctostaphylos columbiana
© 2020 R.A. Chasey

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 douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

Asarum caudatum    Creeping wild ginger,  Longtail wild ginger
native
Perennial herb

ARISTOLOCHIACEAE

Asarum caudatum
© 2024 Mary Ann Machi
Asarum caudatum
© 2022 Jamie Spielmann
Asarum caudatum
© 2024 Mary Ann Machi

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

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

CHENOPODIACEAE

Atriplex leucophylla
© 2006 Avis Boutell
Atriplex leucophylla
© 2019 Diane Etchison
Atriplex leucophylla
© 2020 Ken Hickman

Atriplex triangularis    Fat-hen
non-native
Annual herb

CHENOPODIACEAE

Atriplex triangularis
© 2023 Ron Vanderhoff
Atriplex triangularis
© 2018 Ron Vanderhoff
Atriplex triangularis
© 2023 Ron Vanderhoff

Avena barbata    Slender oat,  Slim oat
invasive non-native
Annual grass

POACEAE

Avena barbata
© 2018 Julian Geoghegan
Avena barbata
© 2023 David popp
Avena barbata
© 2019 Ron Vanderhoff

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

Bellis perennis    English daisy,  English lawn daisy
invasive non-native
Perennial herb

ASTERACEAE

Bellis perennis
© 2019 Ron Vanderhoff
Bellis perennis
© 2023 Donald Burk
Bellis perennis
© 2020 Bob Sweatt

Botrychium multifidum    Leather grape-fern
native
fern

OPHIOGLOSSACEAE

Botrychium multifidum
© 2023 Cynthia Powell
Botrychium multifidum
© 2021 R.A. Chasey
Botrychium multifidum
© 2020 Jonathan Lee

Brachypodium phoenicoides    Perennial false brome
non-native
Perennial grass

POACEAE


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
© 2021 Ron Vanderhoff
Brassica nigra
© 2019 Ron Vanderhoff
Brassica nigra
© 2019 Ron Vanderhoff

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 coronaria    Crown brodiaea,  Early harvest brodiaea,  Harvest brodiaea
native
Perennial herb (bulb)

THEMIDACEAE

Brodiaea coronaria
© 2021 Dee Shea Himes
Brodiaea coronaria
© 2020 Jeff Bisbee
Brodiaea coronaria
© 2021 Robin Carter

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 vulgaris    Columbia brome,  Common brome
native
Perennial grass

POACEAE

Bromus vulgaris
© 2023 David popp
Bromus vulgaris
© 2023 Robert Steers
Bromus vulgaris
© 2023 David popp

Cakile maritima    European searocket,  Sea rocket
invasive non-native
Annual herb

BRASSICACEAE

Cakile maritima
© 2019 Diane Etchison
Cakile maritima
© 2021 R.A. Chasey
Cakile maritima
© 2019 Diane Etchison

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
© 2019 Ron Vanderhoff
Calandrinia ciliata
© 2019 Ron Vanderhoff

Calochortus tolmiei    Hairy star tulip,  Tolmie star tulip,  Tolmie's star tulip
native
Perennial herb

LILIACEAE

Calochortus tolmiei
© 2020 Steve Conger
Calochortus tolmiei
© 2022 Jamie Spielmann
Calochortus tolmiei
© 2020 Mary Ann Machi

Calystegia purpurata ssp. saxicola    Bodega morning glory,  Pacific false bindweed
rare native
Perennial herb

CONVOLVULACEAE

Calystegia purpurata ssp. saxicola
© 2017 Mary Sue Ittner
Calystegia purpurata ssp. saxicola
© 2022 Zoya Akulova-Barlow
Calystegia purpurata ssp. saxicola
© 2019 Manzanita Dictionary

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
© 2020 David Greenberger
Calystegia soldanella
© 2021 Hayley Ross
Calystegia soldanella
© 2024 Cynthia Powell

Camassia quamash ssp. quamash    Camas,  Common camas
native
Perennial herb

AGAVACEAE

Camassia quamash ssp. quamash
© 2024 Eric Engles
Camassia quamash ssp. quamash
© 2019 Cheryl Ballantyne
Camassia quamash ssp. quamash
© 2020 Bob Sweatt

Camissonia californica    California primrose
native
Annual herb

ONAGRACEAE

Camissonia californica
© 2019 Elexis Padron
Camissonia californica
© 2019 Ron Vanderhoff
Camissonia californica
© 2019 Elexis Padron

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
© 2019 Patrick Furtado
Camissonia cheiranthifolia
© 2021 Meghan Lindt
Camissonia cheiranthifolia
© 2021 Rosaleen Murphy

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 californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

Cardamine californica
© 2020 Barbara Peck
Cardamine californica
© 2019 Ron Vanderhoff
Cardamine californica
© 2019 Ron Vanderhoff

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

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

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
© 2019 Gary McDonald
Carduus pycnocephalus
© 2023 Diana Wahl
Carduus pycnocephalus
© 2023 Ron Vanderhoff

Carex brevicaulis    Short stem sedge
native
Perennial grasslike herb

CYPERACEAE

Carex brevicaulis
© 2022 Michael L. Uhler
Carex brevicaulis
© 2022 R.A. Chasey
Carex brevicaulis
© 2022 R.A. Chasey

Carex gynodynama    Olney's hairy sedge
native
Perennial grasslike herb

CYPERACEAE

Carex gynodynama
© 2012 Alan Castner
Carex gynodynama
© 2014 Scot Loring
Carex gynodynama
© 2022 John Rawlings

Carex lanuginosa    Woolly sedge
native
Perennial grasslike herb

CYPERACEAE

Carex lanuginosa
© 2019 Matt Berger
Carex lanuginosa
© 2019 Tristan K Cole
Carex lanuginosa
© 2019 Tristan K Cole

Carex mendocinensis    Mendocino sedge
native
Perennial grasslike herb

CYPERACEAE

Carex mendocinensis
© 2021 R.A. Chasey
Carex mendocinensis
© 2021 R.A. Chasey
Carex mendocinensis
© 2021 R.A. Chasey

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
© 2017 Steve Matson
Carex obnupta
© 2017 Steve Matson
Carex obnupta
© 2017 Steve Matson

Carex saliniformis    Salt sedge
rare native
Perennial grasslike herb

CYPERACEAE

Carex saliniformis
© 2003 Steve Matson
Carex saliniformis
© 2003 Steve Matson
Carex saliniformis
© 2011 Halleh Paymard

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 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 wightii    Wight's indian paint brush,  Wight's paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja wightii
© 2022 Suzanne L. Weakley
Castilleja wightii
© 2023 Beth Reuter
Castilleja wightii
© 2022 R.A. Chasey

Ceanothus gloriosus    Glory mat,  Point reyes ceanothus
native
Shrub

RHAMNACEAE

Ceanothus gloriosus
© 2021 Hunter Breck
Ceanothus gloriosus
© 2018 Hunter Breck
Ceanothus gloriosus
© 2020 R.A. Chasey

Ceanothus griseus    Carmel ceanothus
native
Shrub

RHAMNACEAE

Ceanothus griseus
© 2006 Steve Matson
Ceanothus griseus
© Gerald and Buff Corsi © 2009 California Academy of Sciences
Ceanothus griseus
© 2014 Robert Sikora

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

Cerastium arvense    Field chickweed,  Meadow chickweed
native
Perennial herb

CARYOPHYLLACEAE

Cerastium arvense
© 2024 Mary Ann Machi
Cerastium arvense
© 2019 John Rawlings
Cerastium arvense
© 2024 Steve Conger

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

Chamomilla suaveolens
© 2008 Steve Matson
Chamomilla suaveolens
© 2008 Steve Matson
Chamomilla suaveolens
© 2018 Stacie Wolny

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

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
© 2019 Patrick Furtado
Chlorogalum pomeridianum
© 2020 Robert Katz
Chlorogalum pomeridianum
© 2019 Diane Etchison

Cirsium douglasii var. breweri    Brewer's swamp thistle,  Douglas' thistle
native
Perennial herb

ASTERACEAE

Cirsium douglasii var. breweri
© 2014 Steve Matson
Cirsium douglasii var. breweri
© 2014 Steve Matson
Cirsium douglasii var. breweri
© 2014 Steve Matson

Cirsium quercetorum    Alameda county thistle,  Brownie thistle
native
Annual, Perennial herb

ASTERACEAE

Cirsium quercetorum
© 2023 R.A. Chasey
Cirsium quercetorum
© 2022 Hunter Breck
Cirsium quercetorum
© 2013 James Gonsman

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 amoena    Farewell to spring
native
Annual herb

ONAGRACEAE

Clarkia amoena
© 2018 Anna Sereno
Clarkia amoena
© 2020 Steve Laymon
Clarkia amoena
© 2017 Whittney J

Clarkia davyi    Davy's clarkia
native
Annual herb

ONAGRACEAE

Clarkia davyi
© 2021 Suzanne L. Weakley
Clarkia davyi
© 2022 Cynthia Powell
Clarkia davyi
© 2020 Steve Laymon

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 Ron Vanderhoff

Claytonia sibirica    Candy flower,  Indian lettuce or candy flower,  Siberian springbeauty
native
Perennial herb

MONTIACEAE

Claytonia sibirica
© 2017 Steve Matson
Claytonia sibirica
© 2017 Steve Matson
Claytonia sibirica
© 2015 James Gonsman

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

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

Corylus cornuta var. californica    Beaked hazelnut
native
Shrub

BETULACEAE

Corylus cornuta var. californica
© 2017 Steve Matson
Corylus cornuta var. californica
© 2017 Steve Matson
Corylus cornuta var. californica
© 2017 Steve Matson

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

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

CRASSULACEAE

Crassula connata
© 2020 Ron Vanderhoff
Crassula connata
© 2019 Ron Vanderhoff
Crassula connata
© 2019 Ron Vanderhoff

Cupressus macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

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

Cynodon dactylon    Bermuda grass,  Bermudagrass
invasive non-native
Perennial grass

POACEAE

Cynodon dactylon
© 2021 Ron Vanderhoff
Cynodon dactylon
© 2020 Ron Vanderhoff
Cynodon dactylon
© 2021 Ron Vanderhoff

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus
© 2024 R.A. Chasey
Cynosurus echinatus
© 2010 Julie A. Kierstead
Cynosurus echinatus
© 2022 Ron Vanderhoff

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
© 2016 Joan Hampton
Cyperus eragrostis
© 2021 Ken Lunders
Cyperus eragrostis
© 2014 James Gonsman

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata
© 2003 Steve Matson
Dactylis glomerata
© 2003 Steve Matson
Dactylis glomerata
© 2003 Steve Matson

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

Danthonia pilosa    Purple awned wallaby grass ,  Hairy oat grass,  Poverty grass
invasive non-native
Perennial grass

POACEAE

Danthonia pilosa
© 2019 Eric Wrubel
Danthonia pilosa
© 2024 Laura Booth
Danthonia pilosa
© 2018 Sarah Inman

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
© 2019 Diane Etchison
Daucus pusillus
© 2022 David Wolfson
Daucus pusillus
© 2021 Ken Lunders

Delphinium decorum    Coast larkspur,  Coastal larkspur,  Larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium decorum
© 2024 Mary Ann Machi
Delphinium decorum
© 2024 Mary Ann Machi
Delphinium decorum
© 2021 Mary Ann Machi

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

Disporum smithii    Largeflower fairybells
native
Perennial herb

LILIACEAE

Disporum smithii
© 2021 Steve Matson
Disporum smithii
© 2021 Steve Matson
Disporum smithii
© 2021 Steve Matson

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

POACEAE

Distichlis spicata
© 2020 Matt Berger
Distichlis spicata
© 2019 Ron Vanderhoff
Distichlis spicata
© 2022 Donald Burk

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

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. 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 arvense    Common horsetail rush,  Common horsetail, field horsetail,  Field horsetail
native
Fern

EQUISETACEAE

Equisetum arvense
© 2022 Suzanne L. Weakley
Equisetum arvense
© 2021 Cynthia Powell
Equisetum arvense
© 2016 Cynthia Powell

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

Erechtites minima    Coastal burnweed
non-native
Annual, Perennial herb

ASTERACEAE

Erechtites minima
© 2012 Michael Mitchell
Erechtites minima
© 2012 Michael Mitchell
Erechtites minima
© 2012 Michael Mitchell

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 latifolium    Coast buckwheat,  Coast eriogonum,  Seaside buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum latifolium
© 2016 Suzanne L. Weakley
Eriogonum latifolium
© 2021 Dylan Neubauer
Eriogonum latifolium
© 2024 Cynthia Powell

Eriophyllum lanatum var. achillaeoides    Yarrow leaved woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum lanatum var. achillaeoides
© 2006 Steve Matson
Eriophyllum lanatum var. achillaeoides
© 2008 Steve Matson
Eriophyllum lanatum var. achillaeoides
© 2006 Steve Matson

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

ASTERACEAE

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

Erodium botrys    Big heron bill,  Broad leaf filaree,  Long beaked filaree
non-native
Annual herb

GERANIACEAE

Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson

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

Eucalyptus globulus    Blue gum,  Tasmanian bluegum
invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff

Festuca arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
© 2022 Cynthia Powell
Festuca arundinacea
© 2020 Robert Steers
Festuca arundinacea
© 2017 MCOSD EDRR

Festuca rubra    Red fescue
native
Perennial grass

POACEAE

Festuca rubra
© 2012 Ove Anderson
Festuca rubra
© 2022 John Rawlings
Festuca rubra
© 2018 Alexandra Kookootsedes

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

APIACEAE

Foeniculum vulgare
© 2019 Nicole Leatherman
Foeniculum vulgare
© 2019 Ron Vanderhoff
Foeniculum vulgare
© 2018 Henry DiRocco

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

Fragaria chiloensis
© 2016 Teresa R Spade, AICP
Fragaria chiloensis
© 2019 Patrick Furtado
Fragaria chiloensis
© 2020 Carlos Davidson

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 trifidum var. pacificum    Threepetal bedstraw
native
Perennial herb

RUBIACEAE

Galium trifidum var. pacificum
© 2005 Steve Matson
Galium trifidum var. pacificum
© 2005 Steve Matson
Galium trifidum var. pacificum
© 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

Gastridium ventricosum    Nit grass
non-native
Annual grass

POACEAE

Gastridium ventricosum
© 2020 Ron Vanderhoff
Gastridium ventricosum
© 2020 Ron Vanderhoff
Gastridium ventricosum
© 2017 Gary McDonald

Gaultheria shallon    Salal
native
Shrub

ERICACEAE

Gaultheria shallon
© 2016 Steve Matson
Gaultheria shallon
© 2016 Steve Matson
Gaultheria shallon
© 2016 Steve Matson

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

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

Gentiana affinis var. ovata    Gentian,  Pleated gentian
native
Perennial herb

GENTIANACEAE

Gentiana affinis var. ovata
© 2022 Zoya Akulova-Barlow
Gentiana affinis var. ovata
© 2019 David Greenberger
Gentiana affinis var. ovata
© 2023 Mary Ann Machi

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

GERANIACEAE

Geranium dissectum
© 2021 Al Keuter
Geranium dissectum
© 2023 Ron Vanderhoff
Geranium dissectum
© 2014 Bryan Derr

Geranium molle    Crane's bill geranium,  Dove's foot geranium,  Dovefoot geranium
invasive non-native
Annual, Perennial herb

GERANIACEAE

Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson

Gilia capitata ssp. pacifica    Pacific blue field gilia,  Pacific gilia
rare native
Annual herb

POLEMONIACEAE

Gilia capitata ssp. pacifica
© 2016 Steve Matson
Gilia capitata ssp. pacifica
© 2016 Steve Matson
Gilia capitata ssp. pacifica
© 2016 Steve Matson

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 purpureum    Featherweed
native
Perennial herb

ASTERACEAE

Gnaphalium purpureum
© 2019 Gary McDonald
Gnaphalium purpureum
© 2021 Zoya Akulova-Barlow
Gnaphalium purpureum
© 2019 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
© 2019 Patrick Furtado
Grindelia stricta var. platyphylla
© 2014 Dee Warenycia

Helenium bolanderi    Bolander's sneezeweed,  Coastal sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bolanderi
© 2020 Mary Sue Ittner
Helenium bolanderi
© 2020 Mary Sue Ittner
Helenium bolanderi
© 2020 Mary Sue Ittner

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

Hemizonia corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

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

Heracleum lanatum    Common cow parsnip
native
Perennial herb

APIACEAE

Heracleum lanatum
© 2019 Bob Sweatt
Heracleum lanatum
© 2008 Neal Kramer
Heracleum lanatum
© 2021 Julie A. Kierstead

Hesperevax sparsiflora    Erect dwarf cudweed,  Erect evax,  Few flowered evax
native
Annual herb

ASTERACEAE

Hesperevax sparsiflora
© 2022 R.A. Chasey
Hesperevax sparsiflora
© 2022 R.A. Chasey
Hesperevax sparsiflora
© 2022 R.A. Chasey

Heterotheca sessiliflora ssp. bolanderi    Bolander's goldenaster,  Golden aster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. bolanderi
© 2015 Tim Miller
Heterotheca sessiliflora ssp. bolanderi
© 2020 Mary Sue Ittner
Heterotheca sessiliflora ssp. bolanderi
© 2018 Julian Geoghegan

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

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

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

POACEAE

Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson
Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson
Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson

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

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

Juncus balticus    Baltic rush,  Wire rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus
© 2015 Steve Matson
Juncus balticus
© 2015 Steve Matson
Juncus balticus
© 2019 Bonnie Nickel

Juncus bolanderi    Bolander's rush
native
Perennial grasslike herb

JUNCACEAE

Juncus bolanderi
© 2019 Ken Hickman
Juncus bolanderi
© 2019 Ken Hickman
Juncus bolanderi
© 2019 John Rawlings

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson

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

JUNCACEAE

Juncus effusus var. brunneus
© 2004 Steve Matson
Juncus effusus var. brunneus
© 2019 Patrick Furtado
Juncus effusus var. brunneus
© 2021 John Rawlings

Juncus effusus var. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus var. pacificus
© 2024 R.A. Chasey
Juncus effusus var. pacificus
© 2021 R.A. Chasey
Juncus effusus var. pacificus
© 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

Lagurus ovatus    Hare's tail grass,  Harestail grass
non-native
Annual grass

POACEAE

Lagurus ovatus
© 2022 R.A. Chasey
Lagurus ovatus
© 2024 Kyle Suchy
Lagurus ovatus
© 2024 Kyle Suchy

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

Lathyrus tingitanus    Tangier pea
non-native
Annual herb

FABACEAE

Lathyrus tingitanus
© 2015 Ron Vanderhoff
Lathyrus tingitanus
© 2019 Ron Vanderhoff
Lathyrus tingitanus
© 2019 Ron Vanderhoff

Lathyrus vestitus var. ochropetalus    Bolander's pacific pea,  Bolander's pea,  Pale pacific pea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. ochropetalus
© 2016 Stephanie Sonora
Lathyrus vestitus var. ochropetalus
© 2013 Ron Clark
Lathyrus vestitus var. ochropetalus
© 2013 Ron Clark

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
© 2015 Amy Rapport
Layia platyglossa
© 2019 Jenna T. B. Ekwealor
Layia platyglossa
© 2017 Chris Mo

Ledum glandulosum    Western labrador tea
native
Shrub

ERICACEAE

Ledum glandulosum
© 2005 Steve Matson
Ledum glandulosum
© 2008 Steve Matson
Ledum glandulosum
© 2008 Steve Matson

native
Perennial herb

ASTERACEAE

Lessingia filaginifolia var. californica
© 2022 Mike Russler
Lessingia filaginifolia var. californica
© 2018 Ron Vanderhoff
Lessingia filaginifolia var. californica
© 2019 Diane Etchison

Leymus pacificus    Pacific wild rye
native
Perennial grass

POACEAE

Leymus pacificus
© 2010 Toni Corelli
Leymus pacificus
© 2014 Eric Wrubel
Leymus pacificus
© 2022 John Rawlings

Lilium maritimum    Coast lily
rare native
Perennial herb (bulb)

LILIACEAE

Lilium maritimum
© 2019 Timothy Boomer | WildMacro.com
Lilium maritimum
© 2019 Timothy Boomer
Lilium maritimum
© 2019 Timothy Boomer | WildMacro.com

Lilium pardalinum    California tiger lily,  Leopard lily,  Tiger lily
native
Perennial herb

LILIACEAE

Lilium pardalinum
© 2011 Steve Matson
Lilium pardalinum
© 2011 Steve Matson
Lilium pardalinum
© 2023 Steve Conger

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

native
Tree, Shrub

FAGACEAE

Lithocarpus densiflorus
© 2022 David Strauch
Lithocarpus densiflorus
© 2019 Bryant Baker
Lithocarpus densiflorus
© 2020 Asa B Spade

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

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

POACEAE

Lolium perenne
© 2019 Ron Vanderhoff
Lolium perenne
© 2023 Ron Vanderhoff
Lolium perenne
© 2021 Ron Vanderhoff

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    Coast twinberry,  Twin berry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata
© 2021 Suzanne L. Weakley
Lonicera involucrata
© 2020 Susan McDougall
Lonicera involucrata
© 2020 Camille Nowell

Lotus angustissimus    Slender bird's foot trefoil,  Slender lotus
non-native
Annual herb

FABACEAE

Lotus angustissimus
© 2015 James Gonsman
Lotus angustissimus
© 2010 Toni Corelli
Lotus angustissimus
© 2009 Zoya Akulova

Lotus corniculatus    Bird's foot trefoil,  Birdfoot deervetch,  Broadleaf birdsfoot trefoil
invasive non-native
Perennial herb

FABACEAE

Lotus corniculatus
© 2005 Steve Matson
Lotus corniculatus
© 2014 Steve Matson
Lotus corniculatus
© 2014 Steve Matson

Lotus formosissimus    Harlequin lotus
rare native
Perennial herb

FABACEAE

Lotus formosissimus
© 2019 David Greenberger
Lotus formosissimus
© 2023 Steve Conger
Lotus formosissimus
© 2023 Mary Ann Machi

Lotus micranthus    Hill lotus
native
Annual herb

FABACEAE

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

Lotus pinnatus    Pinnate lotus
native
Perennial herb

FABACEAE

Lotus pinnatus
© 2015 Steve Matson
Lotus pinnatus
© 2015 Steve Matson
Lotus pinnatus
© 2015 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 arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
© 2019 Patrick Furtado
Lupinus arboreus
© 2014 Steve Matson
Lupinus arboreus
© 2020 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 Suzanne L. Weakley
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
© 2019 Matt Berger
Luzula comosa
© 2021 Steve Matson
Luzula comosa
© 2021 Steve Matson

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 sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
© 2013 Ron Vanderhoff
Madia sativa
© 2021 David Wolfson
Madia sativa
© 2021 Zoya Akulova-Barlow

Maianthemum dilatatum    False lily of the valley,  False lily of the vally,  Pacific may lily
native
Perennial herb

RUSCACEAE

Maianthemum dilatatum
© 2021 Steve Matson
Maianthemum dilatatum
© 2021 Steve Matson
Maianthemum dilatatum
© 2021 Steve Matson

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

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

Marah oreganus    Coast man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah oreganus
© 2016 Steve Matson
Marah oreganus
© 2016 Steve Matson
Marah oreganus
© 2016 Steve Matson

Medicago arabica    Spotted burclover,  Spotted medick
non-native
Annual herb

FABACEAE

Medicago arabica
© 2023 R.A. Chasey
Medicago arabica
© 2023 R.A. Chasey
Medicago arabica
© null

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

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

FABACEAE

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

Mentha pulegium    Pennyroyal
invasive non-native
Perennial herb

LAMIACEAE

Mentha pulegium
© 2023 R.A. Chasey
Mentha pulegium
© 2022 R.A. Chasey
Mentha pulegium
© 2015 Chris Jaster

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 Gary McDonald

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

Mimulus moschatus    Musk monkeyflower
native
Perennial herb

PHRYMACEAE

Mimulus moschatus
© 2014 James Gonsman
Mimulus moschatus
© 2019 Matt Berger
Mimulus moschatus
© 2018 Julie Kierstead Nelson

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa
© 2020 Eliezer Margolis
Monardella villosa
© 2019 David Self
Monardella villosa
© 2019 Patricia Ashe

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 menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

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

Nemophila menziesii var. atomaria    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii var. atomaria
© 2021 Steve Matson
Nemophila menziesii var. atomaria
© 2021 Steve Matson
Nemophila menziesii var. atomaria
© 2021 Steve Matson

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 ssp. hookeri    Common evening primrose,  Evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata ssp. hookeri
© 2020 Suzanne L. Weakley
Oenothera elata ssp. hookeri
© 2018 Suzanne L. Weakley
Oenothera elata ssp. hookeri
© 2018 Toni Corelli

Oxalis corniculata    Creeping wood sorrel,  Creeping woodsorrel,  Yellow sorrel
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis corniculata
© 2022 Donald Burk
Oxalis corniculata
© 2022 Ron Vanderhoff
Oxalis corniculata
© 2021 Ron Vanderhoff

Panicum acuminatum var. acuminatum    Western panicgrass,  Western panicum,  Western witch grass
native
Perennial grass

POACEAE

Panicum acuminatum var. acuminatum
© 2017 David Greenberger
Panicum acuminatum var. acuminatum
© 2020 Julie A. Kierstead
Panicum acuminatum var. acuminatum
© 2021 R.A. Chasey

Parentucellia viscosa    Yellow glandweed,  Yellow parentucellia
invasive non-native
Annual herb

OROBANCHACEAE

Parentucellia viscosa
© 2021 Janice Kuch
Parentucellia viscosa
© 2018 Parker Santiago
Parentucellia viscosa
© 2021 Mike Russler

Paspalum dilatatum    Dallis grass,  Dallisgrass
non-native
Perennial grass

POACEAE

Paspalum dilatatum
© 2024 David popp
Paspalum dilatatum
© 2024 David popp
Paspalum dilatatum
© 2021 Ron Vanderhoff

Perideridia kelloggii    Kellogg's yampah,  Yampah
native
Perennial herb

APIACEAE

Perideridia kelloggii
© 2022 Suzanne L. Weakley
Perideridia kelloggii
© 2023 Ryan O'Dell
Perideridia kelloggii
© 2022 R.A. Chasey

Petasites frigidus var. palmatus    Arctic sweet coltsfoot,  Western coltsfoot
native
Perennial herb

ASTERACEAE

Petasites frigidus var. palmatus
© 2024 Mary Ann Machi
Petasites frigidus var. palmatus
© 2016 Steve Matson
Petasites frigidus var. palmatus
© 2016 Steve Matson

Phacelia californica    California phacelia,  Phacelia,  Rock phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia californica
© 2017 James Gonsman
Phacelia californica
© 2022 Christine Kelly
Phacelia californica
© 2020 R.A. Chasey

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
© 2024 Michael Chasse
Phalaris aquatica
© 2021 Lenihan Mazur
Phalaris aquatica
© 2024 John Rawlings

Physocarpus capitatus    Ninebark,  Pacific ninebark,  Western ninebark
native
Shrub

ROSACEAE

Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson

Pinus muricata    Bishop pine,  Bull pine,  Prickle cone pine
native
Tree

PINACEAE

Pinus muricata
© 2012 Michael Mitchell
Pinus muricata
© 2012 Michael Mitchell
Pinus muricata
© 2023 Karen Swift

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 leptocladus    Alkali plagiobothrys,  Finebranched popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys leptocladus
© 2009 Doug Wirtz
Plagiobothrys leptocladus
© 2009 Anna Bennett
Plagiobothrys leptocladus
© 2004 Carol W. Witham

Plagiobothrys reticulatus    Netted popcornflower,  Reticulate popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys reticulatus
© 2019 Lynn Overtree
Plagiobothrys reticulatus
© 2024 Cynthia Powell
Plagiobothrys reticulatus
© 2014 Dana York

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 lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
© 2017 Gary McDonald
Plantago lanceolata
© 2019 Joe Engelbrecht
Plantago lanceolata
© 2021 Ken Lunders

Plantago maritima var. juncoides    Alkali plantain,  Goose tongue,  Maritime plantain
native
Perennial herb

PLANTAGINACEAE

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

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
© 2017 Nathanial Wigington
Platystemon californicus
© 2022 John L. Thompson
Platystemon californicus
© 2022 John L. Thompson

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

Poa kelloggii    Kellogg's bluegrass,  Redwood blue grass
native
Perennial grass

POACEAE

Poa kelloggii
© 2021 Chris Brant
Poa kelloggii
© 2022 John Rawlings
Poa kelloggii
© 2023 Ellen Uhler

Poa unilateralis    Ocean bluff blue grass,  San francisco bluegrass
native
Perennial grass

POACEAE

Poa unilateralis
© 2019 Justin Luong
Poa unilateralis
© 2018 John Rawlings
Poa unilateralis
© 2018 Gregory Arena

Pogogyne serpylloides    Thyme leaf mesa mint,  Thymeleaf mesamint
native
Annual herb

LAMIACEAE

Pogogyne serpylloides
© 2020 Stacie Wolny
Pogogyne serpylloides
© 2022 R.A. Chasey
Pogogyne serpylloides
© 2020 Stacie Wolny

Polygala californica    California Milkwort
native
Perennial herb

POLYGALACEAE

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

Polypogon australis    Chilean beard grass,  Chilean rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon australis
© 2018 Elliot Gunnison
Polypogon australis
© 2020 David popp
Polypogon australis
© 2018 Elliot Gunnison

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

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

Prunella vulgaris    Common selfheal,  Self heal,  Selfheal
native
Perennial herb

LAMIACEAE

Prunella vulgaris
© 2022 Steve Matson
Prunella vulgaris
© 2022 Steve Matson
Prunella vulgaris
© 2022 Steve Matson

Pseudotsuga menziesii var. menziesii    Douglas fir,  Douglas spruce,  False hemlock
native
Tree

PINACEAE

Pseudotsuga menziesii var. menziesii
© 2020 David Krause
Pseudotsuga menziesii var. menziesii
© 2022 David popp
Pseudotsuga menziesii var. menziesii
© 2024 David popp

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
© 2006 Steve Matson
Psilocarphus tenellus
© 2006 Steve Matson
Psilocarphus 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

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

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

Ranunculus flammula    Creeping buttercup,  Greater creeping spearwort,  Water buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus flammula
© 2014 James Gonsman
Ranunculus flammula
© 2017 Adam Chasey
Ranunculus flammula
© 2023 R.A. Chasey

Ranunculus orthorhynchus    Bloomer's buttercup,  Straight beaked buttercup,  Straightbeak buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus orthorhynchus
© 2019 Ken Hickman
Ranunculus orthorhynchus
© 2021 R.A. Chasey
Ranunculus orthorhynchus
© 2019 Hunter Breck

Ranunculus repens    Creeping buttercup,  Crowfoot, creeping buttercup
invasive non-native
Perennial herb

RANUNCULACEAE

Ranunculus repens
© 2022 Bob Sweatt
Ranunculus repens
© 2021 Norma Solarz
Ranunculus repens
© 2017 Elliot Gunnison

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

Rhododendron occidentale    Western azalea
native
Tree, Shrub

ERICACEAE

Rhododendron occidentale
© 2019 David Greenberger
Rhododendron occidentale
© 2015 Steve Matson
Rhododendron occidentale
© 2020 Julie A. Kierstead

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

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
© 2023 Dana York
Ribes sanguineum var. glutinosum
© 2018 John Rusk
Ribes sanguineum var. glutinosum
© 2018 Hunter Breck

native
Perennial herb (aquatic)

BRASSICACEAE

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

Rosa nutkana var. nutkana    Nootka rose
native
Shrub

ROSACEAE

Rosa nutkana var. nutkana
© 2021 Alison Gardner
Rosa nutkana var. nutkana
© 2021 Alison Gardner
Rosa nutkana var. nutkana
© 2014 Zoya Akulova

Rubus armeniacus    Himalayan blackberry,  black berry,  Armenian blackberry
invasive non-native
Shrub

ROSACEAE

Rubus armeniacus
© 2014 James Gonsman
Rubus armeniacus
© 2018 Richard Spjut
Rubus armeniacus
© 2013 Michael Mitchell

Rubus parviflorus var. velutinus    Western thimbleberry,  Thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus var. velutinus
© 2022 Zoya Akulova-Barlow
Rubus parviflorus var. velutinus
© 2020 Mary Sue Ittner
Rubus parviflorus var. velutinus
© 2019 Patrick Furtado

Rubus spectabilis    Salmon berry,  Salmonberry
native
Shrub

ROSACEAE

Rubus spectabilis
© 2017 James Gonsman
Rubus spectabilis
© 2022 Zoya Akulova-Barlow
Rubus spectabilis
© 2016 Steve Matson

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 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

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
© 2017 Steve Matson
Salix laevigata
© 2017 Steve Matson
Salix laevigata
© 2017 Steve Matson

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix sitchensis    Coulter willow,  Sitka willow
native
Tree, Shrub

SALICACEAE

Salix sitchensis
© 2019 Ken Hickman
Salix sitchensis
© 2019 Ken Hickman
Salix sitchensis
© 2019 Marisa Persaud

Sambucus racemosa var. racemosa    Pacific red elderberry
native
Shrub

VIBURNACEAE

Sambucus racemosa var. racemosa
© 2021 R.A. Chasey
Sambucus racemosa var. racemosa
© 2017 James Gonsman
Sambucus racemosa var. racemosa
© 2014 James Gonsman

Sanguisorba minor ssp. muricata    Garden burnet
non-native
Perennial herb

ROSACEAE

Sanguisorba minor ssp. muricata
© 2019 Jennifer Mo
Sanguisorba minor ssp. muricata
© 2021 David Wolfson
Sanguisorba minor ssp. muricata
© 2017 Keir Morse

Sanicula arctopoides    Footsteps of spring,  Yellow mats
native
Perennial herb

APIACEAE

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

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

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

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

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 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

Senecio vulgaris    Common groundsel,  Old man in the spring,  Old man of spring
non-native
Annual herb

ASTERACEAE

Senecio vulgaris
© 2017 Barbara Boethling
Senecio vulgaris
© 2023 Ron Vanderhoff
Senecio vulgaris
© 2021 Toni Corelli

Sequoia sempervirens    Coast redwood
native
Tree

CUPRESSACEAE

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

Sherardia arvensis    Blue fieldmadder,  Field madder
non-native
Annual herb

RUBIACEAE

Sherardia arvensis
© 2005 Steve Matson
Sherardia arvensis
© 2008 Steve Matson
Sherardia arvensis
© 2008 Steve Matson

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

MALVACEAE

Sidalcea malviflora
© 2022 David Strauch
Sidalcea malviflora
© 2018 Sheila Lodge
Sidalcea malviflora
© 2022 Suzanne L. Weakley

Sidalcea malviflora ssp. purpurea    Dwarf checkerbloom,  Purple checkerbloom
rare native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea malviflora ssp. purpurea
© 2021 Mary Sue Ittner
Sidalcea malviflora ssp. purpurea
© 2017 Mary Sue Ittner
Sidalcea malviflora ssp. purpurea
© 2023 Austin keene

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

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

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

Sisyrinchium californicum    California golden eyed grass,  Golden blue eyed grass,  Yellow eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium californicum
© 2019 Cynthia Powell
Sisyrinchium californicum
© 2023 R.A. Chasey
Sisyrinchium californicum
© 2021 Jamie Spielmann

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 furcatum    Forked nightshade
non-native
Perennial herb, Shrub

SOLANACEAE

Solanum furcatum
© 2024 Mike Russler
Solanum furcatum
© 2019 Cynthia Powell
Solanum furcatum
© 2024 Mike Russler

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

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
© 2020 Mary Conway
Spergula arvensis ssp. arvensis
© 2022 Cynthia Powell

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

CARYOPHYLLACEAE

Spergularia macrotheca
© 2019 Steve Matson
Spergularia macrotheca
© 2019 Steve Matson
Spergularia macrotheca
© 2019 Steve Matson

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 ajugoides var. rigida    Mexican hedgenettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida
© 2016 Steve Matson
Stachys ajugoides var. rigida
© 2016 Steve Matson
Stachys ajugoides var. rigida
© 2016 Steve Matson

Stachys chamissonis    Coast hedge nettle,  Coastal hedgenettle
native
Perennial herb

LAMIACEAE

Stachys chamissonis
© 2021 David Wolfson
Stachys chamissonis
© 2021 Toni Corelli
Stachys chamissonis
© 2013 James Gonsman

Stellaria borealis ssp. sitchana    Boreal starwort,  Northern starwort,  Sitka starwort
native
Perennial herb

CARYOPHYLLACEAE

Stellaria borealis ssp. sitchana
© 2020 Joslyn Curtis
Stellaria borealis ssp. sitchana
© 2020 Joslyn Curtis
Stellaria borealis ssp. sitchana
© 2020 Joslyn Curtis

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

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

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

ANACARDIACEAE

Toxicodendron diversilobum
© 2020 Ron Vanderhoff
Toxicodendron diversilobum
© 2019 Randy Huey
Toxicodendron diversilobum
© 2021 Bryant Baker

native
Annual herb

FABACEAE

Trifolium barbigerum var. andrewsii
© 2023 Matt Berger
Trifolium barbigerum var. andrewsii
© 2007 Toni Corelli
Trifolium barbigerum var. andrewsii
© 2023 Matt Berger

Trifolium bifidum    Notch leaf clover,  Notchleaf clover,  Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum
© 2022 R.A. Chasey
Trifolium bifidum
© 2019 Alice Cummings
Trifolium bifidum
© 2022 R.A. Chasey

Trifolium dubium    Shamrock clover,  Little Hop Clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
© 2018 Stacie Wolny
Trifolium dubium
© 2022 Dana York
Trifolium dubium
© 2017 MCOSD EDRR

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 repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
© 2023 Ron Vanderhoff
Trifolium repens
© 2007 Steve Matson
Trifolium repens
© 2017 Gary McDonald

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
© 2022 Steve Matson
Trifolium variegatum
© 2017 Michael Mitchell
Trifolium variegatum
© 2019 Diane Etchison

Trillium chloropetalum    Common trillium,  Giant wakerobin,  Trillium
native
Perennial herb

MELANTHIACEAE

Trillium chloropetalum
© 2024 Karen Swift
Trillium chloropetalum
© 2024 Cynthia Powell
Trillium chloropetalum
© 2023 Hunter Breck

Triphysaria eriantha ssp. rosea    Johnny tuck,  Pink butter 'n' eggs
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. rosea
© 2017 Gary Morgret
Triphysaria eriantha ssp. rosea
© 2017 Cynthia Powell
Triphysaria eriantha ssp. rosea
© 2020 Mary Sue Ittner

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 laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
© 2018 Gary McDonald
Triteleia laxa
© 2018 Tim Lewis
Triteleia laxa
© 2019 Matt Berger

Typha latifolia    Broadleaf cattail,  Common cattail,  Soft flag
native
Perennial herb (aquatic)

TYPHACEAE

Typha latifolia
© 2013 Steve Matson
Typha latifolia
© 2013 Steve Matson
Typha latifolia
© 2013 Steve Matson

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
© 2023 Mary Ann Machi
Umbellularia californica
© 2016 Steve Matson
Umbellularia californica
© 2023 Mary Ann Machi

Urtica dioica ssp. gracilis    American stinging nettle,  California nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. gracilis
© 2020 Lynn Overtree
Urtica dioica ssp. gracilis
© 2007 Toni Corelli
Urtica dioica ssp. gracilis
© 2021 Chuck Kozak

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
© 2021 Mike Russler
Vaccinium ovatum
© 2020 Susan McDougall
Vaccinium ovatum
© 2017 Steve Matson

Veratrum fimbriatum    Fringed cornlily,  Fringed false hellebore
rare native
Perennial herb

MELANTHIACEAE

Veratrum fimbriatum
© 2021 Roy West
Veratrum fimbriatum
© 2019 R.A. Chasey
Veratrum fimbriatum
© 2021 Roy West

Verbascum thapsus    Common mullein,  Woolly mullein
invasive non-native
Perennial herb

SCROPHULARIACEAE

Verbascum thapsus
© 2021 R.A. Chasey
Verbascum thapsus
© 2020 Kim Cabrera
Verbascum thapsus
© 2016 Cynthia Powell

Veronica scutellata    Marsh speedwell,  Skullcap speedwell
native
Perennial herb

PLANTAGINACEAE

Veronica scutellata
© 2024 Steve Conger
Veronica scutellata
© 2022 Bob Sweatt
Veronica scutellata
© 2022 Bob Sweatt

Vicia benghalensis    Purple vetch,  Reddish tufted vetch,  Vetch
non-native
Annual herb, Vine

FABACEAE

Vicia benghalensis
© 2010 Toni Corelli
Vicia benghalensis
© 2019 Diane Etchison
Vicia benghalensis
© 2024 R.A. Chasey

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
© 2006 Steve Matson
Vicia gigantea
© 2006 Steve Matson
Vicia gigantea
© 2006 Steve Matson

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
© 2020 Julia Markey
Vinca major
© 2022 Ron Vanderhoff
Vinca major
© 2021 Ron Vanderhoff

Viola adunca    Blue violet,  Dog violet,  Hookedspur violet
native
Perennial herb

VIOLACEAE

Viola adunca
© 2015 Steve Matson
Viola adunca
© 2004 Steve Matson
Viola adunca
© 2015 Steve Matson

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

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

Zantedeschia aethiopica    Calla lily,  Callalily,  Common calla
invasive non-native
Perennial herb

ARACEAE

Zantedeschia aethiopica
© 2020 Jennifer Mo
Zantedeschia aethiopica
© 2020 Ron Vanderhoff
Zantedeschia aethiopica
© 2021 MCOSD EDRR

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
© 2024 Lynn Overtree