logo Calflora Illustrated Plant List 

San Simeon Coast
San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-19)

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

NYCTAGINACEAE

Abronia latifolia
2022 R.A. Chasey
Abronia latifolia
2021 Mary Sue Ittner
Abronia latifolia
2020 David Krause

Abronia maritima    Red sand verbena,  Sticky sand verbena
rare native
Perennial herb

NYCTAGINACEAE

Abronia maritima
2017 Ron Vanderhoff
Abronia maritima
2018 Ron Vanderhoff
Abronia maritima
2019 David Wolfson

Abronia umbellata var. umbellata    Beach sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata var. umbellata
2014 Steve Matson
Abronia umbellata var. umbellata
2014 Steve Matson
Abronia umbellata var. umbellata
2014 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

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2020 Diane Etchison
Acer macrophyllum
2018 Ron Vanderhoff
Acer macrophyllum
2018 Julie Kierstead Nelson

Acer negundo    Boxelder
native
Tree

SAPINDACEAE

Acer negundo
2019 Robert Sweet
Acer negundo
2016 John H Malpas
Acer negundo
2019 Ron Vanderhoff

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2022 Andy Ford
Achillea millefolium
2014 James Gonsman
Achillea millefolium
2023 Ron Vanderhoff

Acmispon americanus var. americanus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus var. americanus
2019 Ron Vanderhoff
Acmispon americanus var. americanus
2019 Matt Berger
Acmispon americanus var. americanus
2017 David Wolfson

Acmispon cytisoides    Bentham's deerweed
native
Perennial herb

FABACEAE

Acmispon cytisoides
2015 David Wolfson
Acmispon cytisoides
2019 Rebecca Schoenenberger
Acmispon cytisoides
2012 Terrence Gosliner

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff

native
Perennial herb

FABACEAE

Acmispon heermannii var. orbicularis
2022 R.A. Chasey
Acmispon heermannii var. orbicularis
2022 R.A. Chasey
Acmispon heermannii var. orbicularis
2023 Matt Berger

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
2019 Ron Vanderhoff
Acmispon parviflorus
2005 Steve Matson
Acmispon parviflorus
2005 Steve Matson

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2019 Gary McDonald

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
2022 BOB CASE
Adiantum jordanii
2019 Ron Vanderhoff
Adiantum jordanii
2019 Susan McDougall

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

Agoseris hirsuta    Woolly goat chicory
native
Perennial herb

ASTERACEAE

Agoseris hirsuta
2014 Mike Alexander
Agoseris hirsuta
2012 Zoya Akulova
Agoseris hirsuta
2012 Zoya Akulova

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 pallens    Leafy bent grass,  Seashore bentgrass,  Thingrass
native
Perennial grass

POACEAE

Agrostis pallens
2021 John Rawlings
Agrostis pallens
2008 Keir Morse
Agrostis pallens
2021 John Rawlings

Agrostis stolonifera    Creeping bentgrass,  Redtop
invasive non-native
Perennial grass

POACEAE

Agrostis stolonifera
2018 Rachelle Gray
Agrostis stolonifera
2018 Rachelle Gray
Agrostis stolonifera
2018 Rachelle Gray

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

POACEAE

Aira caryophyllea
2019 Gary McDonald
Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2015 Chris Jaster

Allium hickmanii    Hickman's onion
rare native
Perennial herb (bulb)

ALLIACEAE

Allium hickmanii
2022 Irene Rosen
Allium hickmanii
2021 Mary Conway
Allium hickmanii
2022 Irene Rosen

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

ALLIACEAE

Allium unifolium
2017 Hunter Breck
Allium unifolium
2018 Glen Schneider
Allium unifolium
2018 Ken Hickman

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia
2022 David Strauch
Alnus rhombifolia
2014 Garth Wadsworth
Alnus rhombifolia
2008 Zoya Akulova

Alopecurus saccatus    Pacific foxtail
native
Annual grass

POACEAE

Alopecurus saccatus
2016 David Greenberger
Alopecurus saccatus
2023 Ron Vanderhoff
Alopecurus saccatus
2023 Ron Vanderhoff

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2020 Jacob Martin
Amaryllis belladonna
2022 Ron Vanderhoff

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

Ambrosia chamissonis
2020 Diane Etchison
Ambrosia chamissonis
2018 Richard Spjut
Ambrosia chamissonis
2006 Matt Below

Ambrosia psilostachya    Ragweed,  Western ragweed
native
Perennial herb

ASTERACEAE

Ambrosia psilostachya
2021 Mary Ann Machi
Ambrosia psilostachya
2022 Ron Vanderhoff
Ambrosia psilostachya
2022 Ron Vanderhoff

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia intermedia
2020 Matt Berger
Amsinckia intermedia
2019 Ron Vanderhoff
Amsinckia intermedia
2021 David popp

Amsinckia spectabilis var. spectabilis    Seaside fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis var. spectabilis
2017 James Gonsman
Amsinckia spectabilis var. spectabilis
2015 Zoya Akulova
Amsinckia spectabilis var. spectabilis
2015 Toni Corelli

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 (parasitic)

OROBANCHACEAE

Aphyllon californicum ssp. californicum
2017 David Greenberger
Aphyllon californicum ssp. californicum
2016 Andrea Pickart
Aphyllon californicum ssp. californicum
2009 Neal Kramer

Aphyllon fasciculatum    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Aphyllon fasciculatum
2016 Jim Xerogeanes
Aphyllon fasciculatum
2016 Jim Xerogeanes
Aphyllon fasciculatum
2016 Yolanda Waddell

Aphyllon purpureum    Purple broomrape

Annual herb

OROBANCHACEAE

Aphyllon purpureum
2022 Helen Hancock
Aphyllon purpureum
2022 Helen Hancock
Aphyllon purpureum
2022 Dana York


Annual herb

OROBANCHACEAE

Aphyllon robbinsii
2018 Dylan Neubauer
Aphyllon robbinsii
2018 Dylan Neubauer
Aphyllon robbinsii
2015 Dylan Neubauer

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

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
2019 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff

Arctostaphylos cruzensis    Arroyo de la cruz manzanita,  La cruz manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos cruzensis
2019 R.A. Chasey
Arctostaphylos cruzensis
2019 R.A. Chasey
Arctostaphylos cruzensis
2019 R.A. Chasey

Arctostaphylos hookeri ssp. hearstiorum    Hearst's manzanita
rare native
Tree, Shrub

ERICACEAE

Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall
Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall
Arctostaphylos hookeri ssp. hearstiorum
2006 Steve Matson

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

ERICACEAE

Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger
Arctostaphylos tomentosa ssp. tomentosa
2018 Susan McDougall
Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger

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

PLUMBAGINACEAE

Armeria maritima ssp. californica
2022 R.A. Chasey
Armeria maritima ssp. californica
2017 Mary Sue Ittner
Armeria maritima ssp. californica
2019 Amy Rapport

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

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2022 Julia Markey
Artemisia californica
2020 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2013 Brent Morgan
Artemisia douglasiana
2022 Ron Vanderhoff
Artemisia douglasiana
2021 Mike Russler

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

ASTERACEAE

Artemisia dracunculus
2013 BOB CASE
Artemisia dracunculus
2019 Ron Vanderhoff
Artemisia dracunculus
2021 Helen Hancock

Artemisia pycnocephala    Beach sagewort,  Coastal sagewort
native
Perennial herb

ASTERACEAE

Artemisia pycnocephala
2019 Patrick Furtado
Artemisia pycnocephala
2019 Joerg Lohse
Artemisia pycnocephala
2019 Joerg Lohse

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
2018 Ron Vanderhoff
Asclepias fascicularis
2014 Steve Matson
Asclepias fascicularis
2019 Ron Vanderhoff

Astragalus nuttallii var. nuttallii    Nuttall's milkvetch,  Ocean bluff milk vetch
rare native
Perennial herb

FABACEAE

Astragalus nuttallii var. nuttallii
2006 Steve Matson
Astragalus nuttallii var. nuttallii
2006 Steve Matson
Astragalus nuttallii var. nuttallii
2021 Dylan Neubauer

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

ATHYRIACEAE

Athyrium filix-femina var. cyclosorum
2022 R.A. Chasey
Athyrium filix-femina var. cyclosorum
2018 David popp
Athyrium filix-femina var. cyclosorum
2008 Keir Morse

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

CHENOPODIACEAE

Atriplex leucophylla
2019 Angelique Herman
Atriplex leucophylla
2019 Diane Etchison
Atriplex leucophylla
2020 Ken Hickman

Atriplex prostrata    Fat-hen
non-native
Annual herb

CHENOPODIACEAE

Atriplex prostrata
2022 Mike Russler
Atriplex prostrata
2013 Michael Mitchell
Atriplex prostrata
2018 Ron Vanderhoff

Atriplex semibaccata    Australian saltbush
invasive non-native
Perennial herb

CHENOPODIACEAE

Atriplex semibaccata
2021 David Wolfson
Atriplex semibaccata
2014 Neal Kramer
Atriplex semibaccata
2020 Henry DiRocco

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

Avena fatua    Wild oat,  Wildoat
invasive non-native
Annual grass

POACEAE

Avena fatua
2018 Gary McDonald
Avena fatua
2023 Ron Vanderhoff
Avena fatua
2023 Ron Vanderhoff

Azolla filiculoides    American water fern, mosquito fern,  Mosquito fern,  Pacific mosquitofern
native
Fern

AZOLLACEAE

Azolla filiculoides
2020 Ron Vanderhoff
Azolla filiculoides
2022 Morgan Stickrod
Azolla filiculoides
2021 Zoya Akulova-Barlow

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
2020 Patrick Furtado
Baccharis glutinosa
2019 Julian Geoghegan
Baccharis glutinosa
2020 Rebecca Schoenenberger

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

Baccharis plummerae ssp. glabrata    San simeon baccharis
rare native
Shrub

ASTERACEAE

Baccharis plummerae ssp. glabrata
2011 Chris Winchell
Baccharis plummerae ssp. glabrata
2004 Laura Ann Eliassen
Baccharis plummerae ssp. glabrata
2011 Chris Winchell

Baccharis salicifolia    Mule fat., seep willow,  Mule's fat,  Mulefat
native
Shrub

ASTERACEAE

Baccharis salicifolia
2023 Julia Markey
Baccharis salicifolia
2018 Ron Vanderhoff
Baccharis salicifolia
2020 Aaron Echols

Bellardia trixago    Mediterranean lineseed
invasive non-native
Annual herb

OROBANCHACEAE

Bellardia trixago
2016 Michael Mitchell
Bellardia trixago
2016 Michael Mitchell
Bellardia trixago
2015 jamie smith

Bellardia viscosa    Small Tree-Mallow


Berula erecta    Cut leaved water parsnip,  Cutleaf water parsnip,  Cutleaf waterparsnip
native
Perennial herb

APIACEAE

Berula erecta
2016 Steve Matson
Berula erecta
2016 Steve Matson
Berula erecta
2016 Steve Matson

Blitum californicum [Chenopodium californicum]    Small Tree-Mallow


Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

Bloomeria crocea var. aurea
2019 David Greenberger
Bloomeria crocea var. aurea
2012 Gary McDonald
Bloomeria crocea var. aurea
2014 Gary McDonald

Bloomeria humilis    Dwarf goldenstar
rare native
Perennial herb (bulb)

THEMIDACEAE

Bloomeria humilis
2020 David Wolfson
Bloomeria humilis
2011 Aaron E. Sims
Bloomeria humilis
2012 Terrence Gosliner

native
Perennial grasslike herb

CYPERACEAE

Bolboschoenus maritimus ssp. paludosus
2022 R.A. Chasey
Bolboschoenus maritimus ssp. paludosus
2020 R.A. Chasey
Bolboschoenus maritimus ssp. paludosus
2020 Alice Cummings

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brachypodium hybridum    Small Tree-Mallow


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2020 Diane Etchison
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

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

BRASSICACEAE

Brassica rapa
2017 Cynthia Powell
Brassica rapa
2021 Diane Etchison
Brassica rapa
2018 Angelique Herman

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2022 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
2022 Alice Cummings
Briza minor
2019 Gary McDonald
Briza minor
2019 Gary McDonald

Brodiaea terrestris ssp. kernensis    Kern brodiaea,  Kern dwarf brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. kernensis
2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
2020 Ron Vanderhoff

Bromus carinatus var. carinatus    California brome,  Mountain brome
native
Perennial grass

POACEAE

Bromus carinatus var. carinatus
2016 Richard Chasey
Bromus carinatus var. carinatus
2013 Jean Pawek
Bromus carinatus var. carinatus
2010 Neal Kramer

non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. catharticus
2019 John Rawlings
Bromus catharticus var. catharticus
2020 Jean Pawek
Bromus catharticus var. catharticus
2020 Jean Pawek

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

POACEAE

Bromus diandrus
2022 Ron Vanderhoff
Bromus diandrus
2021 Richard Spjut
Bromus diandrus
2022 Ron Vanderhoff

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 madritensis    Foxtail chess, foxtail brome,  Madrid brome,  Spanish brome
non-native
Annual grass

POACEAE

Bromus madritensis
2022 Steve Matson
Bromus madritensis
2020 Hailey Laskey
Bromus madritensis
2015 Chris Jaster

Bromus rubens    Red brome
invasive non-native
Annual grass

POACEAE

Bromus rubens
2015 Chris Jaster
Bromus rubens
2015 jamie smith
Bromus rubens
2018 Gary McDonald

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
2021 Friends of Five Creeks volunteers
Cakile edentula
2006 Louis-M. Landry
Cakile edentula
2010 Louis-M. Landry

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

BRASSICACEAE

Cakile maritima
2019 Diane Etchison
Cakile maritima
2014 James Gonsman
Cakile maritima
2019 Diane Etchison

Calamagrostis nutkaensis    Pacific reedgrass
native
Perennial grass

POACEAE

Calamagrostis nutkaensis
2018 Ken Hickman
Calamagrostis nutkaensis
2019 Cynthia Powell
Calamagrostis nutkaensis
2019 Ken Hickman

Calandrinia menziesii [Calandrinia ciliata]    Small Tree-Mallow


California macrophylla    Round leaved filaree
native
Annual herb

GERANIACEAE

California macrophylla
2022 Cynthia Adkisson
California macrophylla
2013 Neal Kramer
California macrophylla
2015 Chris Winchell

Callitriche trochlearis    Effluent water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

Callitriche trochlearis
2011 Gerald Carr
Callitriche trochlearis
2011 Gerald Carr
Callitriche trochlearis
2011 Gerald Carr

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

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2019 Cynthia Powell
Calochortus albus
2009 Bob Case

Calochortus clavatus var. clavatus    Club haired mariposa lily,  Clubhair mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus clavatus var. clavatus
2020 David Wolfson
Calochortus clavatus var. clavatus
2019 Marisa Persaud
Calochortus clavatus var. clavatus
2008 Gary A. Monroe

Calochortus luteus    Yellow mariposa lily
native
Perennial herb

LILIACEAE

Calochortus luteus
2014 Steve Matson
Calochortus luteus
2016 Melissa Mooney
Calochortus luteus
2023 Ryan O'Dell

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

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
2020 David Greenberger
Calystegia soldanella
2021 Hayley Ross
Calystegia soldanella
2021 Hayley Ross

Calystegia subacaulis ssp. episcopalis    Cambria morning glory,  San luis obispo county morning glory
rare native
Perennial herb (rhizomatous)

CONVOLVULACEAE

Calystegia subacaulis ssp. episcopalis
2021 Kristen Nelson
Calystegia subacaulis ssp. episcopalis
2018 Adonis Tate
Calystegia subacaulis ssp. episcopalis
2021 Kristen Nelson

native
Annual, Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2019 Patrick Furtado
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2016 Steve Matson
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2006 Steve Matson

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis micrantha
2021 Ken-ichi Ueda
Camissoniopsis micrantha
2021 Ken-ichi Ueda
Camissoniopsis micrantha
2023 Julia Markey

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

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

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

BRASSICACEAE

Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

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
2008 Zoya Akulova
Carduus pycnocephalus
2017 Gary McDonald

Carduus tenuiflorus    Italian thistle,  Slender flowered thistle,  Winged plumeless thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus tenuiflorus
2018 Gary McDonald
Carduus tenuiflorus
2018 Gary McDonald
Carduus tenuiflorus
2018 Gary McDonald

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
2014 Steve Matson
Carex globosa
2014 Steve Matson
Carex globosa
2021 John Rawlings

Carex obispoensis    San Luis Obispo sedge,  San Luis sedge
rare native
Perennial grasslike herb (rhizomatous)

CYPERACEAE

Carex obispoensis
2006 Steve Matson
Carex obispoensis
2010 Chris Winchell
Carex obispoensis
2006 Steve Matson

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
2017 Steve Matson
Carex obnupta
2019 MCOSD EDRR
Carex obnupta
2022 Zoya Akulova-Barlow

Carex pansa    Sand dune sedge,  Sanddune sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pansa
2003 Steve Matson
Carex pansa
2003 Steve Matson
Carex pansa
2003 Steve Matson

Carex pellita    Woolly sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pellita
2019 Matt Berger
Carex pellita
2022 Ellen Uhler
Carex pellita
2019 Eric Wrubel

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

CYPERACEAE

Carex praegracilis
2020 Ken Hickman
Carex praegracilis
2020 John Rawlings
Carex praegracilis
2020 Steve Matson

Carex spissa    San diego sedge
native
Perennial grasslike herb

CYPERACEAE

Carex spissa
2016 Steve Matson
Carex spissa
2016 Steve Matson
Carex spissa
2016 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 Cynthia Powell

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
2006 Steve Matson
Castilleja affinis ssp. affinis
2021 Dylan Neubauer
Castilleja affinis ssp. affinis
2019 Ron Vanderhoff

Castilleja ambigua ssp. insalutata    Ambiguous indian paintbrush,  Johnny nip
native
Annual herb

OROBANCHACEAE

Castilleja ambigua ssp. insalutata
2022 Irene Rosen
Castilleja ambigua ssp. insalutata
2022 Irene Rosen
Castilleja ambigua ssp. insalutata
2004 Bob Huettmann

Castilleja densiflora ssp. obispoensis    Obispo indian paintbrush,  San luis obispo owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja densiflora ssp. obispoensis
2011 CNPS, San Luis Obispo Chapter
Castilleja densiflora ssp. obispoensis
2011 Chris Winchell

Castilleja exserta ssp. exserta    Exserted indian paintbrush,  Pale purple owlclover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. exserta
2020 David Greenberger
Castilleja exserta ssp. exserta
2019 Ron Vanderhoff
Castilleja exserta ssp. exserta
2023 R.A. Chasey

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa
2019 Ron Vanderhoff
Castilleja foliolosa
2019 Diane Etchison
Castilleja foliolosa
2019 Diane Etchison

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2022 Ryan O'Dell
Ceanothus cuneatus var. cuneatus
2021 Steve Matson
Ceanothus cuneatus var. cuneatus
2019 Cara Wilcox

Ceanothus hearstiorum    Hearst ranch buckbrush,  Hearst's ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus hearstiorum
2009 Jean Pawek
Ceanothus hearstiorum
2009 Jean Pawek
Ceanothus hearstiorum
2009 Jean Pawek

Ceanothus maritimus    Maritime ceanothus,  San luis obispo ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus maritimus
2019 R.A. Chasey
Ceanothus maritimus
2019 Susan McDougall
Ceanothus maritimus
2022 Cindy Roessler

native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus var. thyrsiflorus
2019 Patrick Furtado
Ceanothus thyrsiflorus var. thyrsiflorus
2022 Mary Conway
Ceanothus thyrsiflorus var. thyrsiflorus
2022 Cynthia Powell

Cenchrus clandestinus    Kikuyu grass,  Kikuyugrass
invasive non-native
Perennial grass

POACEAE

Cenchrus clandestinus
2020 Ron Vanderhoff
Cenchrus clandestinus
2020 Ron Vanderhoff
Cenchrus clandestinus
2017 Josh Nuzzo

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
2021 R.A. Chasey
Centaurea calcitrapa
2019 MCOSD EDRR
Centaurea calcitrapa
2022 R.A. Chasey

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 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
2007 Carol W. Witham

Chamaesyce maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

Chamaesyce maculata
2019 B.J. Dion
Chamaesyce maculata
2019 B.J. Dion
Chamaesyce maculata
2022 Ron Vanderhoff

Chenopodiastrum murale [Chenopodium murale]    Small Tree-Mallow


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 var. divaricatum    Soap plant,  Spreading soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. divaricatum
2017 Jessica Woodard
Chlorogalum pomeridianum var. divaricatum
2003 Toni Corelli
Chlorogalum pomeridianum var. divaricatum
2008 Gary A. Monroe

Chorizanthe palmeri    Palmer's spineflower
rare native
Annual herb

POLYGONACEAE

Chorizanthe palmeri
2019 David Greenberger
Chorizanthe palmeri
2012 Terrence Gosliner
Chorizanthe palmeri
2014 John Doyen

Chorizanthe pungens    Monterey spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe pungens
2020 Cara Wilcox
Chorizanthe pungens
2020 Cara Wilcox
Chorizanthe pungens
2021 Cara Wilcox

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

Cicendia quadrangularis
2020 Ken Hickman
Cicendia quadrangularis
2022 Charles Russell
Cicendia quadrangularis
2015 Judy and Barry Breckling

Cichorium intybus    Chicory
non-native
Perennial herb

ASTERACEAE

Cichorium intybus
2020 Bob Sweatt
Cichorium intybus
2022 David Strauch
Cichorium intybus
2019 Diane Etchison

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

Cirsium brevistylum
2019 Steve Davison
Cirsium brevistylum
2018 Brian Charles
Cirsium brevistylum
2007 Neal Kramer

Cirsium occidentale var. compactum    Compact cobwebby thistle
rare native
Perennial herb

ASTERACEAE

Cirsium occidentale var. compactum
2019 Marisa Persaud
Cirsium occidentale var. compactum
2016 Talila Golan
Cirsium occidentale var. compactum
2012 John Sayers

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

ASTERACEAE

Cirsium quercetorum
2020 Diana Wahl
Cirsium quercetorum
2013 James Gonsman
Cirsium quercetorum
2007 Neal Kramer

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2017 James Bailey
Cirsium vulgare
2019 Gustavo Vasquez
Cirsium vulgare
2020 Bob Sweatt

Clarkia prostrata    Prostrate clarkia
native
Annual herb

ONAGRACEAE

Clarkia prostrata
2012 Lynn Robertson
Clarkia prostrata
2013 David Wolfson
Clarkia prostrata
2012 Lynn Robertson

Clarkia rubicunda    Farewell to spring,  Reddened clarkia,  Ruby chalice clarkia
native
Annual herb

ONAGRACEAE

Clarkia rubicunda
2019 Stacie Wolny
Clarkia rubicunda
2021 John Game
Clarkia rubicunda
2019 Stacie Wolny

Claytonia perfoliata ssp. mexicana    Southern miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. mexicana
2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
2013 Susan McDougall
Claytonia perfoliata ssp. mexicana
2014 David popp

Clematis ligusticifolia    Creek clematis,  Western white clematis,  Yerba de chiva
native
Perennial herb, Vine

RANUNCULACEAE

Clematis ligusticifolia
2018 Diane Etchison
Clematis ligusticifolia
2012 Steve Matson
Clematis ligusticifolia
2012 Steve Matson

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Clinopodium douglasii
2019 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2019 James Bailey
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
2019 Ron Vanderhoff
Convolvulus arvensis
2021 Ron Vanderhoff
Convolvulus arvensis
2005 Steve Matson

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
2022 Mike Russler
Corethrogyne filaginifolia
2018 Ron Vanderhoff
Corethrogyne filaginifolia
2021 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 jubata    Pampas grass,  Purple pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia jubata
2018 Ramona Robison
Cortaderia jubata
2021 Michelle Karle
Cortaderia jubata
2022 Michelle Karle

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

ASTERACEAE

Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2022 Steve Matson

Crassula aquatica    Aquatic pygmy weed,  Pigmy weed,  Water pygmyweed
native
Annual herb

CRASSULACEAE

Crassula aquatica
2019 Ron Vanderhoff
Crassula aquatica
2019 Ron Vanderhoff
Crassula aquatica
2019 Ron Vanderhoff

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setiger
2018 Rachelle Gray
Croton setiger
2011 Steve Matson
Croton setiger
2011 Steve Matson

Cryptantha clevelandii var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii var. florosa
2020 David Greenberger
Cryptantha clevelandii var. florosa
2020 Ryan Carle
Cryptantha clevelandii var. florosa
2023 Ken-ichi Ueda

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

BORAGINACEAE

Cryptantha leiocarpa
2017 Steve Matson
Cryptantha leiocarpa
2017 Steve Matson
Cryptantha leiocarpa
2021 John Rawlings

Cuscuta californica var. californica    California dodder,  Chaparral dodder,  Short flowered dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica var. californica
2021 R.A. Chasey
Cuscuta californica var. californica
2021 Ron Vanderhoff
Cuscuta californica var. californica
2021 Ron Vanderhoff

Cuscuta pacifica var. papillata    Mendocino dodder
rare native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta pacifica var. papillata
2003 George W. Hartwell

non-native
Perennial herb

ASTERACEAE

Cynara cardunculus ssp. cardunculus
2020 Nicole Leatherman
Cynara cardunculus ssp. cardunculus
2009 Neal Kramer
Cynara cardunculus ssp. cardunculus
2022 Ron Vanderhoff

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

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
2018 Jennifer Mo
Dactylis glomerata
2021 R.A. Chasey
Dactylis glomerata
2017 Gary McDonald

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
2020 Sara Timby
Danthonia californica
2007 Steve Matson
Danthonia californica
2022 Justin Luong

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

Datisca glomerata
2019 Ron Vanderhoff
Datisca glomerata
2019 Diane Etchison
Datisca glomerata
2008 Keir Morse

Datura wrightii    Jimsonweed,  Sacred thorn apple,  Toluaca
native
Perennial herb

SOLANACEAE

Datura wrightii
2017 Lisa Miller
Datura wrightii
2019 Ron Vanderhoff
Datura wrightii
2020 Mike McNamara

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

Deinandra corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Deinandra corymbosa
2016 Michael Mitchell
Deinandra corymbosa
2018 Zachariah Jordan
Deinandra corymbosa
2015 Tim Miller

Deinandra increscens ssp. increscens    Grassland tarweed
native
Annual herb

ASTERACEAE

Deinandra increscens ssp. increscens
2011 George Williams
Deinandra increscens ssp. increscens
2003 Lynn Watson

Delairea odorata    Cape ivy
invasive non-native
Perennial herb

ASTERACEAE

Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff

native
Perennial herb

RANUNCULACEAE

Delphinium californicum ssp. californicum
2010 Toni Corelli
Delphinium californicum ssp. californicum
2022 R.A. Chasey
Delphinium californicum ssp. californicum
2022 R.A. Chasey

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

POACEAE

Deschampsia cespitosa ssp. holciformis
2020 John Rawlings
Deschampsia cespitosa ssp. holciformis
2019 Toni Corelli
Deschampsia cespitosa ssp. holciformis
2013 Robert Steers/NPS

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides
2003 Steve Matson
Deschampsia danthonioides
2003 Steve Matson
Deschampsia danthonioides
2018 Emily Allen

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

Diplacus aurantiacus ssp. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus ssp. aurantiacus
2023 Bill Kress
Diplacus aurantiacus ssp. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus ssp. aurantiacus
2019 Gary McDonald

Diplacus aurantiacus var. puniceus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. puniceus
2023 Bill Kress
Diplacus aurantiacus var. puniceus
2019 Stacie Wolny
Diplacus aurantiacus var. puniceus
2019 Gary McDonald

Dipsacus sativus    Fuller's teasel,  Indian teasel
invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dipsacus sativus
2019 Danielle Carney
Dipsacus sativus
2022 Jennifer Mo
Dipsacus sativus
2022 David Strauch

native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2021 Sue Graue
Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2020 Bryant Baker
Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2020 Cheryl Ballantyne

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

POACEAE

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

Downingia concolor var. concolor    Maroonspot calicoflower,  Spotted throat downingia
native
Annual herb

CAMPANULACEAE

Downingia concolor var. concolor
2019 David Greenberger
Downingia concolor var. concolor
2015 Julia King
Downingia concolor var. concolor
2007 Neal Kramer

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

DRYOPTERIDACEAE

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

Dudleya blochmaniae ssp. blochmaniae    Blochman's dudleya,  Blochman's liveforever
rare native
Perennial herb

CRASSULACEAE

Dudleya blochmaniae ssp. blochmaniae
2022 Aaron Echols
Dudleya blochmaniae ssp. blochmaniae
2022 Aaron Echols
Dudleya blochmaniae ssp. blochmaniae
2022 Aaron Echols

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 lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
2015 Dee Warenycia
Dudleya lanceolata
2020 Steven M Norris
Dudleya lanceolata
2020 Steven M Norris

Dudleya palmeri    Palmer's dudleya,  Palmer's liveforever
native
Perennial herb

CRASSULACEAE

Dudleya palmeri
2016 Brett Dean
Dudleya palmeri
2012 Terrence Gosliner
Dudleya palmeri
2012 Al Keuter

Dysphania ambrosioides    Mexican tea
non-native
Annual, Perennial herb

CHENOPODIACEAE

Dysphania ambrosioides
2020 Ron Vanderhoff
Dysphania ambrosioides
2018 Ron Vanderhoff
Dysphania ambrosioides
2020 Ron Vanderhoff

Eleocharis acicularis var. acicularis    Needle spike rush,  Needle spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis acicularis var. acicularis
2017 Toni Corelli
Eleocharis acicularis var. acicularis
2013 Jake Ruygt
Eleocharis acicularis var. acicularis
2003 Steve Matson

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

Eleocharis rostellata    Beaked spikerush,  Walking sedge
native
Perennial grasslike herb

CYPERACEAE

Eleocharis rostellata
2015 Steve Matson
Eleocharis rostellata
2015 Steve Matson
Eleocharis rostellata
2015 Steve Matson

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2020 Ron Vanderhoff
Elymus condensatus
2022 John Rawlings
Elymus condensatus
2020 Diane Etchison

Elymus glaucus ssp. glaucus    Blue wild rye,  Blue wildrye,  Western rye grass
native
Perennial grass

POACEAE

Elymus glaucus ssp. glaucus
2014 Toni Corelli
Elymus glaucus ssp. glaucus
2021 Arlee Montalvo
Elymus glaucus ssp. glaucus
2022 Ron Vanderhoff

Elymus ponticus    Tall wheat grass
non-native
Perennial grass

POACEAE

Elymus ponticus
2021 Lenihan Mazur
Elymus ponticus
2020 ALice Cummings
Elymus ponticus
2020 Ron Vanderhoff

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
2018 Ron Vanderhoff
Elymus triticoides
2021 Ron Vanderhoff
Elymus triticoides
2018 Rachelle Gray

Epilobium canum ssp. canum    California fuchsia,  Hummingbird trumpet
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff

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

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
2017 Gary McDonald
Epilobium ciliatum ssp. ciliatum
2019 Gary McDonald
Epilobium ciliatum ssp. ciliatum
2019 Ron Vanderhoff

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

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2012 BOB CASE
Epilobium ciliatum ssp. watsonii
2021 Jamie Spielmann

Epilobium densiflorum    Dense boisduvalia,  Dense flowered boisduvalia,  Dense flowered spike primrose
native
Annual herb

ONAGRACEAE

Epilobium densiflorum
2009 BOB CASE
Epilobium densiflorum
2021 Mike Russler
Epilobium densiflorum
2022 Ken-ichi Ueda

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 laevigatum    Horsetail,  Smooth horsetail,  Smooth scouring rush
native
Fern

EQUISETACEAE

Equisetum laevigatum
2020 David popp
Equisetum laevigatum
2021 Ron Vanderhoff
Equisetum laevigatum
2021 Richard Spjut

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

EQUISETACEAE

Equisetum telmateia ssp. braunii
2011 Toni Corelli
Equisetum telmateia ssp. braunii
2021 Bryant Baker
Equisetum telmateia ssp. braunii
2021 Bryant Baker

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

Erigeron bonariensis
2021 Donald Burk
Erigeron bonariensis
2017 Diane Etchison
Erigeron bonariensis
2008 Jorg Fleige

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Erigeron canadensis
2017 Gary McDonald
Erigeron canadensis
2017 Gary McDonald
Erigeron canadensis
2022 Mike Russler

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2021 Zoya Akulova-Barlow
Erigeron glaucus
2019 James Gonsman
Erigeron glaucus
2018 Asa B Spade

Erigeron philadelphicus    Philadelphia fleabane
native
Perennial herb

ASTERACEAE

Erigeron philadelphicus
2022 Dana York
Erigeron philadelphicus
2021 R.A. Chasey
Erigeron philadelphicus
null

Erigeron sanctarum    Saints' daisy,  Saints' fleabane
rare native
Perennial herb (rhizomatous)

ASTERACEAE

Erigeron sanctarum
2016 David Wolfson
Erigeron sanctarum
2000 John Game
Erigeron sanctarum
2000 John Game

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

NAMACEAE

Eriodictyon californicum
2023 Suzanne L. Weakley
Eriodictyon californicum
2022 BOB CASE
Eriodictyon californicum
2020 Julie A. Kierstead

Eriogonum fasciculatum var. fasciculatum    California buckwheat,  Eastern mojave buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff

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
2019 Patrick Furtado

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 var. confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
2020 Mary Conway
Eriophyllum confertiflorum var. confertiflorum
2020 Ron Vanderhoff

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

ASTERACEAE

Eriophyllum staechadifolium
2020 Susan McDougall
Eriophyllum staechadifolium
2019 Mary Conway
Eriophyllum staechadifolium
2014 James Gonsman

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

GERANIACEAE

Erodium botrys
2014 Bryan Derr
Erodium botrys
2017 Gary McDonald
Erodium botrys
2015 Ken Lunders

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
2020 Julia Markey
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 James Bailey
Erodium moschatum
2018 Stacie Wolny

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

Eryngium pendletonense    Pendleton button-celery
rare native
Perennial herb

APIACEAE

Eryngium pendletonense
2014 Ron Vanderhoff
Eryngium pendletonense
2014 Ron Vanderhoff
Eryngium pendletonense
2020 Ron Vanderhoff

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Erythranthe cardinalis
2021 Mike Russler
Erythranthe cardinalis
2017 Aaron Echols
Erythranthe cardinalis
2021 Mike Russler

Erythranthe guttata    Seep monkey flower,  Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Erythranthe guttata
2019 Stacie Wolny
Erythranthe guttata
2015 James Gonsman
Erythranthe guttata
2019 Stacie Wolny

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
2020 Jennifer Mo
Eucalyptus globulus
2022 Ryan O'Dell
Eucalyptus globulus
2021 Cynthia Powell

Euphorbia lathyris    Compass plant,  Gopher plant,  Moleplant
invasive non-native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia lathyris
2017 Aaron Echols
Euphorbia lathyris
2021 Mike Russler
Euphorbia lathyris
2021 Mike Russler

Euphorbia maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia maculata
2019 B.J. Dion
Euphorbia maculata
2019 B.J. Dion
Euphorbia maculata
2022 Ron Vanderhoff

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia peplus
2006 Steve Matson
Euphorbia peplus
2022 Alice Cummings
Euphorbia peplus
2005 Luigi Rignanese

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
2021 R.A. Chasey
Euphorbia spathulata
2014 Steve Matson
Euphorbia spathulata
2014 Steve Matson

Extriplex californica    California orach
native
Perennial herb

CHENOPODIACEAE

Extriplex californica
2020 Ron Vanderhoff
Extriplex californica
2006 Steve Matson
Extriplex californica
2020 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 bromoides    Brome fescue
non-native
Annual grass

POACEAE

Festuca bromoides
2022 Diana Wahl
Festuca bromoides
2021 Toni Corelli
Festuca bromoides
2021 David popp

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
2019 Justin Luong
Festuca californica
2022 Justin Luong
Festuca californica
2012 Aaron Arthur

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
2021 Aaron Echols
Festuca myuros
2021 Ron Vanderhoff
Festuca myuros
2022 John Rawlings

Festuca perennis    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Festuca perennis
2019 Ron Vanderhoff
Festuca perennis
2017 Gary McDonald
Festuca perennis
2021 Ron Vanderhoff

Festuca rubra    Red fescue
native
Perennial grass

POACEAE

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

Festuca temulenta    Darnel, tares
non-native
Annual grass

POACEAE

Festuca temulenta
2016 Spade Natural Resources Consulting
Festuca temulenta
2020 David popp
Festuca temulenta
2019 Stephany Dery

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

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

ROSACEAE

Fragaria vesca
2020 Cara Wilcox
Fragaria vesca
2017 James Gonsman
Fragaria vesca
2022 Dee Shea Himes

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
2015 Steve Matson
Frangula californica ssp. californica
2015 Steve Matson
Frangula californica ssp. californica
2019 Ron Vanderhoff

Frankenia salina    Alkali heath,  Alkali seaheath,  Yerba reuma, alkali heath
native
Perennial herb

FRANKENIACEAE

Frankenia salina
2019 Patrick Furtado
Frankenia salina
2021 Cynthia Powell
Frankenia salina
2020 Ron Vanderhoff

Fritillaria biflora var. biflora    Chocolate lily
native
Perennial herb (bulb)

LILIACEAE

Fritillaria biflora var. biflora
2020 David Greenberger
Fritillaria biflora var. biflora
2016 Ron Vanderhoff
Fritillaria biflora var. biflora
2018 Michael Mitchell

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

RUBIACEAE

Galium aparine
2020 Ron Vanderhoff
Galium aparine
2005 Steve Matson
Galium aparine
2020 Ron Vanderhoff

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson

Galium porrigens var. porrigens    Climbing bedstraw,  Graceful bedstraw,  Oval leaved bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff

Galium trifidum ssp. columbianum    Threepetal bedstraw
native
Perennial herb

RUBIACEAE

Galium trifidum ssp. columbianum
2022 Mike Russler
Galium trifidum ssp. columbianum
2022 Mike Russler
Galium trifidum ssp. columbianum
2022 Mike Russler

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

Gamochaeta ustulata
2019 Gary McDonald
Gamochaeta ustulata
2021 Zoya Akulova-Barlow
Gamochaeta ustulata
2019 Gary McDonald

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

Gastridium phleoides
2020 Ron Vanderhoff
Gastridium phleoides
2020 Ron Vanderhoff
Gastridium phleoides
2021 Paul Aigner

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff

Geranium core-core    Alderney crane's-bill
non-native
Perennial herb

GERANIACEAE

Geranium core-core
2012 BOB CASE
Geranium core-core
2015 Vernon Smith
Geranium core-core
2013 Vernon Smith

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

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
2020 stephen rosenthal
Grindelia hirsutula
2015 Ken Lunders
Grindelia hirsutula
2020 R.A. Chasey

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

POACEAE

Hainardia cylindrica
2022 Denise Defreese
Hainardia cylindrica
2009 Neal Kramer
Hainardia cylindrica
2009 Neal Kramer

Hazardia squarrosa var. squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa var. squarrosa
2021 Mike Russler
Hazardia squarrosa var. squarrosa
2021 Mary Conway
Hazardia squarrosa var. squarrosa
2011 Neal Kramer

Hedypnois rhagadioloides    Crete weed
non-native
Annual herb

ASTERACEAE

Hedypnois rhagadioloides
2012 Michael Perlmutter
Hedypnois rhagadioloides
2022 Steve Matson
Hedypnois rhagadioloides
2022 Steve Matson

Helenium bigelovii    Bigelow's sneezeweed,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bigelovii
2020 Rebecca Schoenenberger
Helenium bigelovii
2019 Bryant Baker
Helenium bigelovii
2019 Bob Sweatt

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
2019 Patrick Furtado
Helenium puberulum
2013 Toni Corelli
Helenium puberulum
2015 Stephen Rosenthal

Heliotropium curassavicum var. oculatum    Alkali heliotrope,  Seaside heliotrope
native
Perennial herb

HELIOTROPIACEAE

Heliotropium curassavicum var. oculatum
2019 Rachelle Gray
Heliotropium curassavicum var. oculatum
2018 Ron Vanderhoff
Heliotropium curassavicum var. oculatum
2019 Ron Vanderhoff

Helminthotheca echioides    Bristly ox-tongue
invasive non-native
Annual, Perennial herb

ASTERACEAE

Helminthotheca echioides
2016 Hayley Ross
Helminthotheca echioides
2019 Rachelle Gray
Helminthotheca echioides
2012 Elizabeth Brusati

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2013 Arcangelo Wessells
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey

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

ASTERACEAE

Hesperevax sparsiflora var. sparsiflora
2020 Stacie Wolny
Hesperevax sparsiflora var. sparsiflora
2020 R.A. Chasey
Hesperevax sparsiflora var. sparsiflora
2021 R.A. Chasey

Hesperocnide tenella    Western nettle,  Western stinging nettle,  Western stingingnettle
native
Annual herb

URTICACEAE

Hesperocnide tenella
2019 David Greenberger
Hesperocnide tenella
2023 Ken-ichi Ueda
Hesperocnide tenella
2020 Ken Hickman

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Hesperocyparis macrocarpa
2019 Patrick Furtado
Hesperocyparis macrocarpa
2009 Keir Morse
Hesperocyparis macrocarpa
2021 Cynthia Powell

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Hesperoyucca whipplei
Geoff Burleigh
Hesperoyucca whipplei
2023 Jordan Collins
Hesperoyucca whipplei
2020 Julia Markey

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
2015 James Gonsman
Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2017 Gary McDonald

Heterotheca oregona var. oregona    Oregon false goldenaster,  Oregon goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca oregona var. oregona
2022 Dana York
Heterotheca oregona var. oregona
2020 Susan McDougall
Heterotheca oregona var. oregona
2020 Susan McDougall

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

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

Hoita macrostachya
2021 Jamie Spielmann
Hoita macrostachya
2009 Lynn Watson
Hoita macrostachya
2021 Jamie Spielmann

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

POACEAE

Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley

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

POACEAE

Hordeum brachyantherum ssp. californicum
2021 Cynthia Powell
Hordeum brachyantherum ssp. californicum
2023 John Rawlings
Hordeum brachyantherum ssp. californicum
2021 John Rawlings

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

Hordeum vulgare    Common barley
non-native
Annual grass

POACEAE

Hordeum vulgare
2019 Ron Vanderhoff
Hordeum vulgare
2019 Ron Vanderhoff
Hordeum vulgare
2022 Ron Vanderhoff

Horkelia californica var. californica    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica var. californica
2020 Mary Conway
Horkelia californica var. californica
2021 Mary Conway
Horkelia californica var. californica
2015 Toni Corelli

Horkelia cuneata var. cuneata    Wedge leaved horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata var. cuneata
2020 David Greenberger
Horkelia cuneata var. cuneata
2018 Debra L. Cook
Horkelia cuneata var. cuneata
2021 Mary Conway

Hosackia gracilis    Harlequin lotus
rare native
Perennial herb

FABACEAE

Hosackia gracilis
2019 David Greenberger
Hosackia gracilis
2019 Paul Hankamp
Hosackia gracilis
2020 Mary Conway

Hydrocotyle ranunculoides    Floating marsh pennywort,  Floating marshpennywort,  Marsh pennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle ranunculoides
2020 Ron Vanderhoff
Hydrocotyle ranunculoides
2022 Ellen Uhler
Hydrocotyle ranunculoides
2013 Neal Kramer

Hydrocotyle verticillata    Whorled marsh pennywort,  Whorled marshpennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle verticillata
2020 Robert Byrnes
Hydrocotyle verticillata
2020 R.A. Chasey
Hydrocotyle verticillata
2019 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
2011 Michael Mitchell
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

Isocoma menziesii var. sedoides    Menzies' goldenbush,  Prostrate coastal goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. sedoides
2014 Steve Matson
Isocoma menziesii var. sedoides
2021 Ron Vanderhoff
Isocoma menziesii var. sedoides
2021 Ron Vanderhoff

Isocoma menziesii var. vernonioides    Coastal goldenbush,  Green leaved dune goldenbush,  Menzies' goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. vernonioides
2018 Ron Vanderhoff
Isocoma menziesii var. vernonioides
2014 Steve Matson
Isocoma menziesii var. vernonioides
2018 Ron Vanderhoff

Isoetes nuttallii    Nuttall's quillwort
native

ISOETACEAE

Isoetes nuttallii
2019 David Greenberger
Isoetes nuttallii
2019 Matt Berger
Isoetes nuttallii
2019 Matt Berger

Isolepis carinata    Keeled bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis carinata
2016 Toni Corelli
Isolepis carinata
2021 John Rawlings
Isolepis carinata
2018 James Bailey

Isolepis cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis cernua
2018 Ken Hickman
Isolepis cernua
2010 Aaron Arthur
Isolepis cernua
2018 Ron Vanderhoff

Jaumea carnosa    Fleshy jaumea,  Marsh jaumea
native
Perennial herb

ASTERACEAE

Jaumea carnosa
2020 Ron Vanderhoff
Jaumea carnosa
2018 Angelique Herman
Jaumea carnosa
2020 R.A. Chasey

Juncus acutus ssp. leopoldii    Leopold's rush,  Southwestern spiny rush,  Wire grass
rare native
Perennial grasslike herb (rhizomatous)

JUNCACEAE

Juncus acutus ssp. leopoldii
2018 Ron Vanderhoff
Juncus acutus ssp. leopoldii
2019 Susan McDougall
Juncus acutus ssp. leopoldii
2021 Ron Vanderhoff

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 bufonius var. congestus    Clustered toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. congestus
2022 R.A. Chasey
Juncus bufonius var. congestus
2009 Neal Kramer
Juncus bufonius var. congestus
2009 Neal Kramer

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus
2009 Toni Corelli
Juncus effusus ssp. pacificus
2021 R.A. Chasey
Juncus effusus ssp. pacificus
2021 John Rawlings

Juncus lescurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lescurii
2018 Richard Spjut
Juncus lescurii
2008 Toni Corelli
Juncus lescurii
2008 Toni Corelli

Juncus occidentalis    Rush,  Slender juncus,  Western rush
native
Perennial grasslike herb

JUNCACEAE

Juncus occidentalis
2021 Toni Corelli
Juncus occidentalis
2021 Dick Rawson
Juncus occidentalis
2021 Dick Rawson

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
2008 Neal Kramer

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

JUNCACEAE

Juncus phaeocephalus var. phaeocephalus
2019 Dee Shea Himes
Juncus phaeocephalus var. phaeocephalus
2007 Neal Kramer
Juncus phaeocephalus var. phaeocephalus
2019 John Rawlings

Juncus textilis    Basket rush
native
Perennial grasslike herb

JUNCACEAE

Juncus textilis
2020 Ron Vanderhoff
Juncus textilis
2020 Ron Vanderhoff
Juncus textilis
2020 Ron Vanderhoff

Kickxia spuria    Fluellin,  Roundleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia spuria
2020 David Wolfson
Kickxia spuria
2020 Vivian Neou
Kickxia spuria
2013 Neal Kramer

Lactuca saligna    Narrow leaved wild lettuce,  Willow lettuce,  Willowleaf lettuce
non-native
Annual herb

ASTERACEAE

Lactuca saligna
2021 Don Hollander
Lactuca saligna
2019 Stacie Wolny
Lactuca saligna
2021 Don Hollander

Lactuca serriola    Prickly lettuce,  Prickly wild lettuce
invasive non-native
Annual herb

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2020 Mark Kircher
Lactuca serriola
2009 Neal Kramer

Lasthenia californica ssp. macrantha    Perennial goldfields
rare native
Perennial herb

ASTERACEAE

Lasthenia californica ssp. macrantha
2022 R.A. Chasey
Lasthenia californica ssp. macrantha
2013 James Gonsman
Lasthenia californica ssp. macrantha
2017 James Gonsman

Lasthenia conjugens    Contra costa goldfields
rare native
Annual herb

ASTERACEAE

Lasthenia conjugens
2022 Scott Yarger
Lasthenia conjugens
2013 Neal Kramer
Lasthenia conjugens
2011 Dylan Neubauer

Lasthenia glaberrima    Smooth goldfields
native
Annual herb

ASTERACEAE

Lasthenia glaberrima
2017 Michael Mitchell
Lasthenia glaberrima
2020 Matt Berger
Lasthenia glaberrima
2020 R.A. Chasey

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

Lasthenia gracilis
2016 Michael Mitchell
Lasthenia gracilis
2019 Susan McDougall
Lasthenia gracilis
2014 Michael Mitchell

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 odoratus    Common sweet pea,  Garden sweet pea,  Sweetpea
non-native
Annual herb

FABACEAE

Lathyrus odoratus
2017 danielle noe
Lathyrus odoratus
2022 Ron Vanderhoff
Lathyrus odoratus
2022 Ron Vanderhoff

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

Lemna gibba    Duckweed,  Gibbous duckweed,  Swollen duckweed
native
Perennial herb

ARACEAE

Lemna gibba
2020 Ron Vanderhoff
Lemna gibba
2021 Ron Vanderhoff
Lemna gibba
2019 Ron Vanderhoff

Lemna minor    Smaller duckweed
native
Perennial herb

ARACEAE

Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

Lemna minuta
2022 Ron Vanderhoff
Lemna minuta
2020 Ron Vanderhoff
Lemna minuta
2019 Ron Vanderhoff

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

LAMIACEAE

Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2020 Amy Rapport
Lepechinia calycina
2020 Mary Conway

Lepidium draba    Whitetop
invasive non-native
Perennial herb

BRASSICACEAE

Lepidium draba
2020 Ron Vanderhoff
Lepidium draba
2021 Mike Russler
Lepidium draba
2020 Ron Vanderhoff

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

BRASSICACEAE

Lepidium nitidum
2020 Linda Pardy
Lepidium nitidum
2019 Gary McDonald
Lepidium nitidum
2016 Steve Matson

Limonium sinuatum    Statice,  Wavyleaf sealavender
non-native
Perennial herb

PLUMBAGINACEAE

Limonium sinuatum
2019 Ron Vanderhoff
Limonium sinuatum
2017 David Wolfson
Limonium sinuatum
2019 Ron Vanderhoff

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

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
2015 jamie smith
Logfia gallica
2013 Keir Morse
Logfia gallica
2017 Barbara Boethling

Lomatium caruifolium var. caruifolium    Alkali desertparsley,  Caraway leaved lomatium
native
Perennial herb

APIACEAE

Lomatium caruifolium var. caruifolium
2014 Steve Matson
Lomatium caruifolium var. caruifolium
2022 Dianne Lake
Lomatium caruifolium var. caruifolium
2014 Steve Matson

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

APIACEAE

Lomatium parvifolium
2020 David Greenberger
Lomatium parvifolium
2011 Chris Winchell
Lomatium parvifolium
2021 Patrick Furtado

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2021 Bryant Baker

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

FABACEAE

Lotus corniculatus
2015 Charles Russell
Lotus corniculatus
2019 Nathan Taxel
Lotus corniculatus
2005 Dr. Amadej Trnkoczy

Lupinus albifrons var. abramsii    Abrams' lupine
rare native
Perennial herb

FABACEAE

Lupinus albifrons var. abramsii
2018 Michael Mitchell
Lupinus albifrons var. abramsii
2018 Michael Mitchell
Lupinus albifrons var. abramsii
2018 Michael Mitchell

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 bicolor    Annual lupine,  Bicolored lupine,  Miniature lupine
native
Annual, Perennial herb

FABACEAE

Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
2023 R.A. Chasey
Lupinus nanus
2019 Mary Conway
Lupinus nanus
2016 Steve Matson

Lupinus succulentus    Arroyo lupine,  Hollowleaf annual lupine,  Succulent lupine
native
Annual herb

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny

Luzula subsessilis    Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula subsessilis
2021 David popp
Luzula subsessilis
2021 David popp
Luzula subsessilis
2021 David popp

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Lysimachia arvensis
2017 B.J. Dion
Lysimachia arvensis
2019 Barbara Boethling
Lysimachia arvensis
2022 Chris McDonald

Lysimachia minima    Chaffweed
native
Annual herb

MYRSINACEAE

Lysimachia minima
2020 Ron Vanderhoff
Lysimachia minima
2020 Ron Vanderhoff
Lysimachia minima
2022 Donald Burk

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

ASTERACEAE

Madia gracilis
2019 Ron Vanderhoff
Madia gracilis
2021 Amber Bedgood
Madia gracilis
2019 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

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

Malva nicaeensis
2015 Mike Morales
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

non-native
Annual, Biennial herb

MALVACEAE

Malva pseudolavatera
2021 Ron Vanderhoff
Malva pseudolavatera
2021 Ron Vanderhoff
Malva pseudolavatera
2021 Ron Vanderhoff

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabacea
2018 Karen Scheuermann
Marah fabacea
2021 Cyril Guyot
Marah fabacea
2018 Gary McDonald

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

Matricaria discoidea
2008 Steve Matson
Matricaria discoidea
2019 Diane Etchison
Matricaria discoidea
2018 Stacie Wolny

Medicago lupulina    Black medick
non-native
Annual, Perennial herb

FABACEAE

Medicago lupulina
2020 Ron Vanderhoff
Medicago lupulina
2020 Ron Vanderhoff
Medicago lupulina
2020 Ron Vanderhoff

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

Medicago praecox    Mediterranean medick
non-native
Annual herb

FABACEAE

Medicago praecox
2012 Jean Pawek
Medicago praecox
2022 David popp
Medicago praecox
2012 Jean Pawek

Medicago sativa    Alfalfa
non-native
Perennial herb

FABACEAE

Medicago sativa
2020 Bob Sweatt
Medicago sativa
2005 Louis-M. Landry
Medicago sativa
2003 Michael Charters

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 albus    White sweetclover
invasive non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
2021 Ron Vanderhoff
Melilotus albus
2020 Bob Sweatt
Melilotus albus
2022 Ron Vanderhoff

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

Microseris bigelovii    Coast microseris,  Coastal silverpuffs
native
Annual herb

ASTERACEAE

Microseris bigelovii
2022 R.A. Chasey
Microseris bigelovii
2011 Toni Corelli
Microseris bigelovii
2022 R.A. Chasey

Microseris douglasii ssp. douglasii    Douglas' microseris,  Douglas' silverpuffs
native
Annual herb

ASTERACEAE

Microseris douglasii ssp. douglasii
2022 Steve Laymon
Microseris douglasii ssp. douglasii
2019 John Rawlings
Microseris douglasii ssp. douglasii
2022 Mike Russler

Microseris paludosa    Marsh scorzonella,  Marsh silverpuffs
rare native
Perennial herb

ASTERACEAE

Microseris paludosa
2020 Mary Conway
Microseris paludosa
2007 Neal Kramer
Microseris paludosa
2020 Mary Conway

Morella californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Morella californica
2008 Neal Kramer
Morella californica
2008 Keir Morse
Morella californica
2022 Cynthia Powell

Myoporum laetum    Lollypop tree,  Ngaio tree
invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Myoporum laetum
2018 Ron Vanderhoff
Myoporum laetum
2017 James Bailey
Myoporum laetum
2022 Ron Vanderhoff

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
2019 Patrick Furtado
Nasturtium officinale
2016 Joan Hampton
Nasturtium officinale
2019 Diane Etchison

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
2009 Neal Kramer
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

Oxalis debilis    Small Tree-Mallow


Oxalis pes-caprae    Bermuda buttercup,  Sourgrass
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis pes-caprae
2015 Richard Chasey
Oxalis pes-caprae
2017 Angelique Herman
Oxalis pes-caprae
2019 Gary McDonald

Oxalis pilosa    Hairy wood sorrel
native
Annual herb

OXALIDACEAE

Oxalis pilosa
2022 R.A. Chasey
Oxalis pilosa
2009 Avis Boutell
Oxalis pilosa
2022 Cynthia Powell

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2021 Ron Vanderhoff
Paeonia californica
2022 Ron Vanderhoff
Paeonia californica
2019 Susan McDougall

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 var. californica    California pellitory
native
Annual herb

URTICACEAE

Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2002 Dean Wm. Taylor

Paspalum dilatatum    Dallis grass,  Dallisgrass
non-native
Perennial grass

POACEAE

Paspalum dilatatum
2018 Ron Vanderhoff
Paspalum dilatatum
2017 Barbara Boethling
Paspalum dilatatum
2021 Ron Vanderhoff

Pelargonium grossularioides    Gooseberry geranium,  Gooseberry pelargonium
non-native
Annual, Perennial herb

GERANIACEAE

Pelargonium grossularioides
2018 Ron Vanderhoff
Pelargonium grossularioides
2022 Mike Russler
Pelargonium grossularioides
2020 Julia Markey

Pelargonium inquinans    Scarlet geranium,  South african pelargonium
non-native
Shrub (stem succulent)

GERANIACEAE


Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2021 Mike Russler
Pellaea andromedifolia
2021 Steve Matson
Pellaea andromedifolia
2020 Tina Curiel

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
2019 James Gonsman
Pentagramma triangularis ssp. triangularis
2008 Steve Matson
Pentagramma triangularis ssp. triangularis
2008 Steve Matson

Perideridia gairdneri ssp. gairdneri    Gairdner's yampah
rare native
Perennial herb

APIACEAE

Perideridia gairdneri ssp. gairdneri
2021 Mary Conway
Perideridia gairdneri ssp. gairdneri
2018 Matthew Allen
Perideridia gairdneri ssp. gairdneri
2021 Scott Yarger

Persicaria amphibia    Water smartweed
native
Perennial herb (aquatic)

POLYGONACEAE

Persicaria amphibia
2017 Ron Vanderhoff
Persicaria amphibia
2017 Ron Vanderhoff
Persicaria amphibia
2019 Diane Etchison

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

Persicaria lapathifolia
2016 Barbara Boethling
Persicaria lapathifolia
2017 Ron Vanderhoff
Persicaria lapathifolia
2020 Ron Vanderhoff

Persicaria punctata    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Persicaria punctata
2018 Ron Vanderhoff
Persicaria punctata
2018 Ron Vanderhoff
Persicaria punctata
2022 Helen Hancock

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

HYDROPHYLLACEAE

Phacelia distans
2023 Richard Spjut
Phacelia distans
2023 Richard Spjut
Phacelia distans
2022 Mike Russler

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

POACEAE

Phalaris aquatica
2018 Thomas Reyes
Phalaris aquatica
2021 Lenihan Mazur
Phalaris aquatica
2022 Lenihan Mazur

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

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

Phalaris canariensis    Annual canarygrass
non-native
Annual grass

POACEAE

Phalaris canariensis
2008 Louis-M. Landry
Phalaris canariensis
2007 Luigi Rignanese
Phalaris canariensis
2007 Luigi Rignanese

Phyla nodiflora    Common lippia,  Lippia,  Turkey tangle frogfruit
native
Perennial herb

VERBENACEAE

Phyla nodiflora
2018 Ron Vanderhoff
Phyla nodiflora
2016 DigiBirdTrek CA
Phyla nodiflora
2019 Rebecca Schoenenberger

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

Pilularia americana    American pillwort
native
Fern

MARSILEACEAE

Pilularia americana
2017 Ron Vanderhoff
Pilularia americana
2017 Ron Vanderhoff
Pilularia americana
2022 Matt Berger

Pinus radiata    Monterey pine
native
Tree

PINACEAE

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

Pittosporum undulatum    Australian cheesewood,  Victorian box
invasive non-native
Tree, Shrub

PITTOSPORACEAE

Pittosporum undulatum
2018 Ron Vanderhoff
Pittosporum undulatum
2017 UCSC Weed Management Group
Pittosporum undulatum
2018 Ron Vanderhoff

Plagiobothrys bracteatus    Bracted allocarya,  Bracted popcorn flower,  Bracted popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys bracteatus
2021 Robert Steers
Plagiobothrys bracteatus
2021 Robert Steers
Plagiobothrys bracteatus
2008 Jorg Fleige

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

BORAGINACEAE

Plagiobothrys chorisianus var. hickmanii
2019 Diane Renshaw
Plagiobothrys chorisianus var. hickmanii
2019 Aaron Schusteff
Plagiobothrys chorisianus var. hickmanii
2011 Steve Matson

Plagiobothrys undulatus    Coast allocarya
native
Annual herb

BORAGINACEAE

Plagiobothrys undulatus
2012 Terrence Gosliner
Plagiobothrys undulatus
2008 Neal Kramer
Plagiobothrys undulatus
2006 Steve Matson

Plantago coronopus    Buckhorn plantain,  Cut leaf plantain
invasive non-native
Annual herb

PLANTAGINACEAE

Plantago coronopus
2022 R.A. Chasey
Plantago coronopus
2021 Zoya Akulova-Barlow
Plantago coronopus
2017 MCOSD Restoration Crew

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
2021 Charles Russell
Plantago erecta
2008 Margo Bors
Plantago erecta
2022 Mike Russler

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 major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
2019 Bob Sweatt
Plantago major
2009 Barry Breckling
Plantago major
2013 Debra L. Cook

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 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

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa
2021 Ron Vanderhoff
Platanus racemosa
2019 Rachelle Gray
Platanus racemosa
2018 Ron Vanderhoff

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Diane Etchison
Platystemon californicus
2022 John L. Thompson
Platystemon californicus
2020 Mitchell Coleman

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 secunda ssp. secunda    One sided blue grass,  Pine bluegrass,  Sandberg's bluegrass
native
Perennial grass

POACEAE

Poa secunda ssp. secunda
2018 Ron Vanderhoff
Poa secunda ssp. secunda
2018 Ron Vanderhoff
Poa secunda ssp. secunda
2018 Ron Vanderhoff

Pogogyne douglasii    Douglas' mesamint,  Douglas' pogogyne
native
Annual herb

LAMIACEAE

Pogogyne douglasii
2022 Steve Matson
Pogogyne douglasii
2016 Ray Gill
Pogogyne douglasii
2022 Steve Matson

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

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

CARYOPHYLLACEAE

Polycarpon depressum
2023 James Bailey
Polycarpon depressum
2023 James Bailey
Polycarpon depressum
2011 Neal Kramer

Polycarpon tetraphyllum    Four leaved all seed,  Four leaved allseed,  Four leaved polycarp
non-native
Annual herb

CARYOPHYLLACEAE

Polycarpon tetraphyllum
2020 Ron Vanderhoff
Polycarpon tetraphyllum
2019 Ron Vanderhoff
Polycarpon tetraphyllum
2020 Ron Vanderhoff

Polygonum aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare
2022 Mike Russler
Polygonum aviculare
2022 John Doyen
Polygonum aviculare
2023 Ron Vanderhoff

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2020 Ron Vanderhoff
Polypodium californicum
2021 Ron Vanderhoff
Polypodium californicum
2022 Suzanne L. Weakley

Polypogon interruptus    Ditch beard grass,  Ditch rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon interruptus
2022 John Rawlings
Polypogon interruptus
2022 John Rawlings
Polypogon interruptus
2020 Ron Vanderhoff

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

POACEAE

Polypogon monspeliensis
2020 Edith Allen
Polypogon monspeliensis
2021 Ron Vanderhoff
Polypogon monspeliensis
2014 Steve Matson

Polypogon viridis    Water beard grass
non-native
Perennial grass

POACEAE

Polypogon viridis
2022 Ron Vanderhoff
Polypogon viridis
2021 Ron Vanderhoff
Polypogon viridis
2019 Friends of Five Creeks volunteers

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 fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
2019 Stella Yang
Populus fremontii ssp. fremontii
2020 David popp
Populus fremontii ssp. fremontii
2020 Susan McDougall

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2021 Ron Vanderhoff
Populus trichocarpa
2012 Steve Matson
Populus trichocarpa
2012 Steve Matson

Potamogeton foliosus    Leafy pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton foliosus
2020 Ron Vanderhoff
Potamogeton foliosus
2020 Ron Vanderhoff
Potamogeton foliosus
2016 Robert L. Carr

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

non-native
Perennial herb

ROSACEAE

Poterium sanguisorba var. polygamum
2021 David Wolfson
Poterium sanguisorba var. polygamum
2021 David Wolfson
Poterium sanguisorba var. polygamum
2011 Barry Breckling

Primula clevelandi [Dodecatheon clevelandii]    Small Tree-Mallow


native
Perennial herb

ASTERACEAE

Pseudognaphalium beneolens
2021 BLM Redding Field Office
Pseudognaphalium beneolens
2021 Mike Russler
Pseudognaphalium beneolens
2021 R.A. Chasey

Pseudognaphalium biolettii    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

Pseudognaphalium biolettii
2019 David Greenberger
Pseudognaphalium biolettii
2019 Ron Vanderhoff
Pseudognaphalium biolettii
2019 Ron Vanderhoff

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Pseudognaphalium californicum
2019 Gary McDonald
Pseudognaphalium californicum
2020 Steven M Norris
Pseudognaphalium californicum
2021 Ron Vanderhoff

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Pseudognaphalium luteoalbum
2011 Toni Corelli
Pseudognaphalium luteoalbum
2019 Diane Etchison
Pseudognaphalium luteoalbum
2021 Ron Vanderhoff

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

Pseudognaphalium microcephalum
2020 Ron Vanderhoff
Pseudognaphalium microcephalum
2022 David Strauch
Pseudognaphalium microcephalum
2019 Ron Vanderhoff

Pseudognaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Pseudognaphalium ramosissimum
2021 R.A. Chasey
Pseudognaphalium ramosissimum
2021 R.A. Chasey
Pseudognaphalium ramosissimum
2016 Barbara Boethling

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
2020 Ryan Carle
Pseudognaphalium stramineum
2017 Diane Etchison
Pseudognaphalium stramineum
2011 Toni Corelli

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
2006 Steve Matson
Psilocarphus tenellus
2017 Toni Corelli
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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2020 Dick Rawson
Pterostegia drymarioides
2018 Ron Vanderhoff
Pterostegia drymarioides
2015 Diane Etchison

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 aquatilis var. diffusus    white water butter cup
native
Perennial herb (aquatic)

RANUNCULACEAE

Ranunculus aquatilis var. diffusus
2018 Cynthia Powell
Ranunculus aquatilis var. diffusus
2016 Ken Lunders
Ranunculus aquatilis var. diffusus
2007 Steve Matson

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2020 Mitchell Coleman

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 crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

Rhamnus crocea
2011 Michael Mitchell
Rhamnus crocea
2022 Ron Vanderhoff
Rhamnus crocea
2019 Ron Vanderhoff

Ribes divaricatum var. pubiflorum    Spreading gooseberry,  Straggly gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
2021 Ken-ichi Ueda

Ribes menziesii var. menziesii    Canyon gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii var. menziesii
2018 Rebecca Schoenenberger
Ribes menziesii var. menziesii
2019 Michael Mitchell
Ribes menziesii var. menziesii
2014 Zoya Akulova

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

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2020 Talila Golan
Ribes sanguineum var. glutinosum
2018 John Rusk
Ribes sanguineum var. glutinosum
2018 Hunter Breck

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
2022 David Chipping
Ribes speciosum
2021 Ron Vanderhoff
Ribes speciosum
2012 Ron Vanderhoff

Romulea rosea var. australis    Rosy sand crocus,  Rosy sandcrocus
non-native
Perennial herb

IRIDACEAE

Romulea rosea var. australis
2019 Janice Kuch
Romulea rosea var. australis
2002 Dean Wm. Taylor
Romulea rosea var. australis
2008 Neal Kramer

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2020 R.A. Chasey

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
2021 David popp
Rumex conglomeratus
2020 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
2022 David Strauch

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
2007 Neal Kramer
Rumex kerneri
2011 Neal Kramer

Rumex occidentalis    Western dock
native
Perennial herb

POLYGONACEAE

Rumex occidentalis
2008 Toni Corelli
Rumex occidentalis
2009 Toni Corelli
Rumex occidentalis
2020 Ken Hickman

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
2020 Ryan Carle
Rumex pulcher
2022 Chris McDonald
Rumex pulcher
2019 Saul Soto

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
2019 Patrick Furtado
Rumex salicifolius var. crassus
2008 Toni Corelli
Rumex salicifolius var. crassus
2021 Cynthia Powell

Rumex salicifolius var. salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. salicifolius
2010 Margo Bors
Rumex salicifolius var. salicifolius
2018 Gary McDonald
Rumex salicifolius var. salicifolius
2017 John Doyen

Ruppia maritima    Ditch grass,  Ditchgrass or wigeon grass,  Widgeongrass
native
Perennial herb (aquatic)

RUPPIACEAE

Ruppia maritima
2020 Ron Vanderhoff
Ruppia maritima
2011 Sangeet Khalsa
Ruppia maritima
2020 Ron Vanderhoff

Sagina apetala    Annual pearlwort,  Dwarf pearlwort,  Sticky pearlwort
non-native
Annual herb

CARYOPHYLLACEAE

Sagina apetala
2022 Donald Burk
Sagina apetala
2022 Donald Burk
Sagina apetala
2010 Toni Corelli

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 pacifica    Glasswort,  Pacific swampfire,  Pickleweed
native
Perennial herb

CHENOPODIACEAE

Salicornia pacifica
2020 Ron Vanderhoff
Salicornia pacifica
2020 Ron Vanderhoff
Salicornia pacifica
2018 Ron Vanderhoff

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. hindsiana
2022 Robbie Lee
Salix exigua var. hindsiana
2017 Dee Shea Himes
Salix exigua var. hindsiana
02/22/2022 John Rawlings

Salix lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra var. lasiandra
2021 Alice Cummings
Salix lasiandra var. lasiandra
2021 Diane Renshaw
Salix lasiandra var. lasiandra
2021 Ken Hickman

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2017 Susan Kotelnicki
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
2022 Mary Conway

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Sambucus nigra ssp. caerulea    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus nigra ssp. caerulea
2021 Mike Russler
Sambucus nigra ssp. caerulea
2020 Diane Etchison
Sambucus nigra ssp. caerulea
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
2017 James Gonsman

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

APIACEAE

Sanicula crassicaulis
2020 Susan McDougall
Sanicula crassicaulis
2020 Ryan Carle
Sanicula crassicaulis
2020 R.A. Chasey

Sanicula hoffmannii    Hoffmann's blacksnakeroot,  Hoffmann's sanicle,  Hoffmann's snakeroot
rare native
Perennial herb

APIACEAE

Sanicula hoffmannii
2019 Ken Hickman
Sanicula hoffmannii
2015 David Wolfson
Sanicula hoffmannii
2018 Ken Hickman

Sanicula laciniata    Coast sanicle,  Coastal blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula laciniata
2022 Diane Renshaw
Sanicula laciniata
2022 R.A. Chasey
Sanicula laciniata
2018 Ken Hickman

Sanicula maritima    Adobe sanicle,  Adobe snakeroot
rare native
Perennial herb

APIACEAE

Sanicula maritima
2019 David Wolfson
Sanicula maritima
2021 Kristen Nelson
Sanicula maritima
2021 Kristen Nelson

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus acutus var. occidentalis
2014 Jesse Rorabaugh
Schoenoplectus acutus var. occidentalis
2018 Matt Berger
Schoenoplectus acutus var. occidentalis
2019 Steve Matson

Schoenoplectus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus americanus
2021 Ron Vanderhoff
Schoenoplectus americanus
2016 Joan Hampton
Schoenoplectus americanus
2020 Ron Vanderhoff

Schoenoplectus californicus    California bulrush
native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus californicus
2022 John Rawlings
Schoenoplectus californicus
2022 John Rawlings
Schoenoplectus californicus
2021 Ron Vanderhoff

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus pungens var. longispicatus
2012 Michael Mitchell
Schoenoplectus pungens var. longispicatus
2022 R.A. Chasey
Schoenoplectus pungens var. longispicatus
2022 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 ssp. californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica
2020 Bob Sweatt
Scrophularia californica ssp. californica
2006 Steve Matson
Scrophularia californica ssp. californica
2019 Cynthia Powell

Senecio elegans    Redpurple ragwort
non-native
Annual herb

ASTERACEAE

Senecio elegans
2015 Toni Corelli
Senecio elegans
2012 Michael Perlmutter
Senecio elegans
2009 Toni Corelli

Senecio flaccidus var. douglasii    Bush groundsel,  Bush senecio,  Douglas' groundsel
native
Shrub

ASTERACEAE

Senecio flaccidus var. douglasii
2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
2021 Helen Hancock
Senecio flaccidus var. douglasii
2019 Ron Vanderhoff

Senecio glomeratus    Cutleaf burnweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Senecio glomeratus
2015 Lynn Overtree
Senecio glomeratus
2020 Diana Wahl
Senecio glomeratus
2021 Mary Conway

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
2019 Ron Vanderhoff
Senecio vulgaris
2021 Toni Corelli

Setaria viridis    Green bristlegrass,  Green foxtail
non-native
Annual grass

POACEAE

Setaria viridis
2017 Ron Vanderhoff
Setaria viridis
2012 Zoya Akulova-Barlow
Setaria viridis
2021 David popp

Sidalcea malviflora ssp. laciniata    Dwarf checkerbloom,  Laciniate checker mallow
native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea malviflora ssp. laciniata
2020 David Greenberger
Sidalcea malviflora ssp. laciniata
2021 Maria Stokes
Sidalcea malviflora ssp. laciniata
2021 Cynthia Powell

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
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

Sinapis arvensis
2020 Randy Huey
Sinapis arvensis
2021 Randy Huey
Sinapis arvensis
2022 Mike Russler

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2020 Mary Conway
Sisyrinchium bellum
2020 Benjamin Gould
Sisyrinchium bellum
2019 Stacie Wolny

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

IRIDACEAE

Sisyrinchium californicum
2021 Suzanne L. Weakley
Sisyrinchium californicum
2019 Cynthia Powell
Sisyrinchium californicum
2015 Margo Bors

Solanum americanum    American black nightshade,  Common nightshade,  Small flowered nightshade
native
Annual, Perennial herb

SOLANACEAE

Solanum americanum
2014 Steve Matson
Solanum americanum
2019 Gary McDonald
Solanum americanum
2021 David Wolfson

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
2022 Ken Lunders
Solanum douglasii
2006 Steve Matson
Solanum douglasii
2023 Ron Vanderhoff

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
2022 Mike Russler
Solanum umbelliferum
2014 Steve Matson
Solanum umbelliferum
2014 Steve Matson

Solidago elongata    West coast canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago elongata
2021 Mike Russler
Solidago elongata
2021 Mike Russler
Solidago elongata
2022 Steve Matson

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
2013 Steve Matson
Solidago velutina ssp. californica
2008 Steve Matson
Solidago velutina ssp. californica
2008 Steve Matson

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

ASTERACEAE

Soliva sessilis
2022 Diana Wahl
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
2022 Ron Vanderhoff
Sonchus asper ssp. asper
2022 Ron Vanderhoff
Sonchus asper ssp. asper
2022 Ron Vanderhoff

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
2008 Gary McDonald

Sparganium eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

Sparganium eurycarpum
2014 David Wolfson
Sparganium eurycarpum
2014 David Wolfson
Sparganium eurycarpum
2008 Louis-M. Landry

Spartium junceum    Gorse,  Spanish broom
invasive non-native
Shrub

FABACEAE

Spartium junceum
2020 Ron Vanderhoff
Spartium junceum
2006 Jennifer Naegele
Spartium junceum
2021 Mary Herr

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis
2019 Diane Etchison
Spergula arvensis
2020 Mary Conway
Spergula arvensis
2022 Cynthia Powell

Spergularia bocconi    Boccone's sand spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergularia bocconi
2021 Ron Vanderhoff
Spergularia bocconi
2021 Ron Vanderhoff
Spergularia bocconi
2019 Ron Vanderhoff

Spergularia macrotheca var. macrotheca    Sand spurrey,  Sticky sand spurry,  Sticky sandspurry
native
Perennial herb

CARYOPHYLLACEAE

Spergularia macrotheca var. macrotheca
2020 David Wolfson
Spergularia macrotheca var. macrotheca
2017 B.J. Dion
Spergularia macrotheca var. macrotheca
2020 Mary Conway

Spergularia marina    Salt marsh sand spurry
native
Annual herb

CARYOPHYLLACEAE

Spergularia marina
2017 James Bailey
Spergularia marina
2021 R.A. Chasey
Spergularia marina
2021 Cynthia Powell

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 ajugoides    Ajuga hedge nettle,  Bugle hedgenettle,  Hedge nettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides
2020 Cynthia Keiser
Stachys ajugoides
2004 Bob Huettmann
Stachys ajugoides
2021 Chuck Kozak

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
2020 Bryant Baker

Stachys pycnantha    Short spike hedge nettle,  Shortspike hedgenettle
native
Perennial herb

LAMIACEAE

Stachys pycnantha
2019 David Wolfson
Stachys pycnantha
2018 Julian Geoghegan
Stachys pycnantha
2011 Neal Kramer

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stephanomeria cichoriacea    Chicory leaved stephanomeria,  Chicoryleaf wirelettuce,  Fort tejon milk aster
native
Perennial herb

ASTERACEAE

Stephanomeria cichoriacea
2019 David Greenberger
Stephanomeria cichoriacea
2018 John Game
Stephanomeria cichoriacea
2013 James Gonsman

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
2017 Gary McDonald
Stipa lepida
2023 Ron Vanderhoff
Stipa lepida
2017 Gary McDonald

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
2019 Michelle Karle
Stipa pulchra
2019 Ron Vanderhoff
Stipa pulchra
2018 Gary McDonald

native
Annual herb

BRASSICACEAE

Streptanthus glandulosus ssp. glandulosus
2021 Meghan Lindt
Streptanthus glandulosus ssp. glandulosus
2020 Stacie Wolny
Streptanthus glandulosus ssp. glandulosus
2021 Bryant Baker

Stuckenia pectinata    Sago pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Stuckenia pectinata
2021 Ron Vanderhoff
Stuckenia pectinata
2021 Ron Vanderhoff
Stuckenia pectinata
2021 Ron Vanderhoff

Symphyotrichum chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Symphyotrichum chilense
2020 Suzanne L. Weakley
Symphyotrichum chilense
2013 Arcangelo Wessells
Symphyotrichum chilense
2018 Stacie Wolny

Taraxia ovata    Sun cup,  Goldeneggs
native
Perennial herb

ONAGRACEAE

Taraxia ovata
2017 Steve Matson
Taraxia ovata
2017 Steve Matson
Taraxia ovata
2017 Steve Matson

Tetragonia tetragonoides    New zealand spinach
non-native
Annual herb

AIZOACEAE

Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2015 Zoya Akulova

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
2019 Matt Berger
Thysanocarpus curvipes ssp. curvipes
2020 R.A. Chasey
Thysanocarpus curvipes ssp. curvipes
2022 Mike Russler

Thysanocarpus laciniatus    Common lace pod,  Mountain fringepod,  Narrow leaved fringe pod
native
Annual herb

BRASSICACEAE

Thysanocarpus laciniatus
2021 Helen Hancock
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2021 R.A. Chasey

Torilis arvensis    Field hedge parsley,  Spreading hedgeparsley,  Tall Sock-Destroyer
invasive non-native
Annual herb

APIACEAE

Torilis arvensis
2019 Ron Vanderhoff
Torilis arvensis
2018 Gary McDonald
Torilis arvensis
2018 Lindsey Hack

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
2011 Steve Matson
Torilis nodosa
2011 Steve Matson
Torilis nodosa
2022 R.A. Chasey

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

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

MELANTHIACEAE

Toxicoscordion fremontii
2020 Bryant Baker
Toxicoscordion fremontii
2021 Steve Matson
Toxicoscordion fremontii
2020 Karen Swift

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
2019 Julie dinsdale
Tragopogon porrifolius
2015 David Wolfson
Tragopogon porrifolius
2020 Martin Cooper

Trifolium angustifolium    Narrow leaved clover,  Narrowleaf crimson clover
non-native
Annual herb

FABACEAE

Trifolium angustifolium
2019 Gary McDonald
Trifolium angustifolium
2011 Zoya Akulova
Trifolium angustifolium
2022 Irene Rosen

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2021 Cameron Chabre

Trifolium campestre    Field clover,  Low hop clover
non-native
Annual herb

FABACEAE

Trifolium campestre
2019 David Wolfson
Trifolium campestre
2021 R.A. Chasey
Trifolium campestre
2021 R.A. Chasey

Trifolium depauperatum var. amplectens    Balloon sack clover,  Pale bladder clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. amplectens
2018 David Greenberger
Trifolium depauperatum var. amplectens
2013 Andrea Williams
Trifolium depauperatum var. amplectens
2018 David Greenberger

Trifolium dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium dichotomum
2023 Helen Hancock
Trifolium dichotomum
2022 Helen Hancock
Trifolium dichotomum
2023 Helen Hancock

Trifolium glomeratum    Clustered clover
non-native
Annual herb

FABACEAE

Trifolium glomeratum
2012 Michael Mitchell
Trifolium glomeratum
2020 Ryan Carle
Trifolium glomeratum
2012 Michael Mitchell

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 hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
2011 Steve Matson
Trifolium hirtum
2011 Steve Matson
Trifolium hirtum
2011 Steve Matson

Trifolium incarnatum    Crimson clover
non-native
Annual herb

FABACEAE

Trifolium incarnatum
2018 Tim Lewis
Trifolium incarnatum
2019 Amy Rapport
Trifolium incarnatum
2008 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
2021 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 repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
2017 Gary McDonald
Trifolium repens
2007 Steve Matson
Trifolium repens
2017 Gary McDonald

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
2008 Steve Matson
Trifolium subterraneum
2008 Steve Matson
Trifolium subterraneum
2008 Steve Matson

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

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

FABACEAE

Trifolium wormskioldii
2015 James Gonsman
Trifolium wormskioldii
2009 Dr. Mark S. Brunell
Trifolium wormskioldii
2015 James Gonsman

Triglochin scilloides    Flowering-quillwort
native
Annual herb (aquatic)

JUNCAGINACEAE

Triglochin scilloides
2018 Carol Witham
Triglochin scilloides
2023 Ron Vanderhoff
Triglochin scilloides
2011 Hattie Brown

Triglochin striata    Three ribbed arrow grass,  Threerib arrowgrass
native
Perennial herb (aquatic)

JUNCAGINACEAE

Triglochin striata
2022 Michael L. Uhler
Triglochin striata
2021 Jutta Burger
Triglochin striata
2021 John Game

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
2022 R.A. Chasey

Triteleia ixioides ssp. cookii    Cook's triteleia
rare native
Perennial herb (bulb)

THEMIDACEAE

Triteleia ixioides ssp. cookii
2000 Joseph Dougherty/ecology.org

Triteleia ixioides ssp. ixioides    Golden brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. ixioides
2020 Mary Conway
Triteleia ixioides ssp. ixioides
2019 Mary Conway
Triteleia ixioides ssp. ixioides
2020 John Rawlings

Tropaeolum majus    Garden nasturtium,  Nasturtium
invasive non-native
Annual herb, Vine

TROPAEOLACEAE

Tropaeolum majus
2021 Julie A. Kierstead
Tropaeolum majus
2022 Ryan O'Dell
Tropaeolum majus
2022 Ron Vanderhoff

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
2020 Ron Vanderhoff
Typha domingensis
2022 Ron Vanderhoff
Typha domingensis
2020 Ellen Gartside

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

TYPHACEAE

Typha latifolia
2021 Ron Vanderhoff
Typha latifolia
2022 Emily R. Allen
Typha latifolia
2022 Ron Vanderhoff

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

LAURACEAE

Umbellularia californica
2016 Steve Matson
Umbellularia californica
2016 Steve Matson
Umbellularia californica
2020 Ron Vanderhoff

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
2019 Zack Abbey
Uropappus lindleyi
2022 Mary Ann Machi
Uropappus lindleyi
2016 Ron Vanderhoff

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

URTICACEAE

Urtica dioica ssp. holosericea
2022 Donald Burk
Urtica dioica ssp. holosericea
2019 Hunter Breck
Urtica dioica ssp. holosericea
2021 R.A. Chasey

Verbena lasiostachys var. lasiostachys    Vervain,  Western vervain
native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. lasiostachys
2010 Steve Matson
Verbena lasiostachys var. lasiostachys
2018 Mary Conway
Verbena lasiostachys var. lasiostachys
2018 Mary Conway

Verbena litoralis    Seashore vervain
invasive non-native
Biennial, Perennial herb

VERBENACEAE

Verbena litoralis
2011 Barry Brekcking
Verbena litoralis
2001 Joe DiTomaso
Verbena litoralis
2000 Joe DiTomaso

Veronica peregrina ssp. xalapensis    Hairy purslane speedwell,  Neckweed,  Purslane speedwell
native
Annual herb

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis
2020 Steve Matson
Veronica peregrina ssp. xalapensis
2020 Ron Vanderhoff
Veronica peregrina ssp. xalapensis
2020 Steve Matson

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

FABACEAE

Vicia americana ssp. americana
2017 James Gonsman
Vicia americana ssp. americana
2021 Ken Lunders
Vicia americana ssp. americana
2021 Ken Lunders

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

FABACEAE

Vicia benghalensis
2019 Diane Etchison
Vicia benghalensis
2023 R.A. Chasey
Vicia benghalensis
2020 Ron Vanderhoff

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
2021 Dana York
Vicia gigantea
2019 Cynthia Powell
Vicia gigantea
2013 James Gonsman

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
2007 Toni Corelli
Vicia sativa ssp. sativa
2020 Ron Vanderhoff
Vicia sativa ssp. sativa
2020 Ron Vanderhoff

Vicia villosa ssp. varia    Smooth vetch,  Thick fruited vetch,  Winter vetch
non-native
Annual herb, Vine

FABACEAE

Vicia villosa ssp. varia
2017 Gary McDonald
Vicia villosa ssp. varia
2017 Gary McDonald
Vicia villosa ssp. varia
2020 Julie A. Kierstead

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

APOCYNACEAE

Vinca major
2020 Julia Markey
Vinca major
2020 Julie A. Kierstead
Vinca major
2021 Ron Vanderhoff

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
2019 Susan McDougall

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

ASTERACEAE

Xanthium spinosum
2018 Joslyn Curtis
Xanthium spinosum
2014 Richard Spellenberg
Xanthium spinosum
2008 Neal Kramer

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

Yabea microcarpa
2021 Helen Hancock
Yabea microcarpa
2022 R.A. Chasey
Yabea microcarpa
2012 Toni Corelli

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

Zannichellia palustris
2021 Ron Vanderhoff
Zannichellia palustris
2021 Ron Vanderhoff
Zannichellia palustris
2021 Ron Vanderhoff

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

Zeltnera davyi
2022 Irene Rosen
Zeltnera davyi
2018 Mary Conway
Zeltnera davyi
2022 Irene Rosen