logo Calflora  Illustrated Plant List 
Morro Bay State Park
San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-07)

Record Detail Nearby Surveys What Grows Here?
546 PLANTS
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

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

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

FABACEAE

Acmispon americanus var. americanus
2015 Steve Matson
Acmispon americanus var. americanus
2015 Steve Matson
Acmispon americanus var. americanus
2015 Steve Matson

Acmispon brachycarpus    hill lotus
native
Annual herb

FABACEAE

Acmispon brachycarpus
2005 Steve Matson
Acmispon brachycarpus
2005 Steve Matson
Acmispon brachycarpus
2018 Steve Matson

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

native
Perennial herb

FABACEAE

Acmispon junceus var. junceus
2016 John Doyen
Acmispon junceus var. junceus
2016 John Doyen
Acmispon junceus var. junceus
2016 John Doyen

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
2008 Steve Matson
Acmispon parviflorus
2005 Steve Matson
Acmispon parviflorus
2008 Steve Matson

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

Acmispon strigosus
2016 Steve Matson
Acmispon strigosus
2009 Steve Matson
Acmispon strigosus
2016 Steve Matson

Acmispon wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

Acmispon wrangelianus
2016 Steve Matson
Acmispon wrangelianus
2016 Steve Matson
Acmispon wrangelianus
2016 Steve Matson

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
2019 Steve Matson
Adenostoma fasciculatum var. fasciculatum
2019 Steve Matson
Adenostoma fasciculatum var. fasciculatum
2019 Steve Matson

Aeonium haworthii    Haworth's aeonium
non-native
Shrub

CRASSULACEAE

Aeonium haworthii
2019 Wyatt Dooley
Aeonium haworthii
2021 Ron Vanderhoff
Aeonium haworthii
2021 Ron Vanderhoff

Agave americana    American century plant
non-native
Shrub

AGAVACEAE

Agave americana
2021 Ron Vanderhoff
Agave americana
2017 MCOSD EDRR
Agave americana
2021 Ron Vanderhoff

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2021 Emily Sluiman

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

POACEAE

Agrostis pallens
2021 John Rawlings
Agrostis pallens
2020 Susan McDougall
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
2005 Steve Matson
Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2005 Steve Matson

Alisma triviale    Northern water plantain
native
Perennial herb (aquatic)

ALISMATACEAE

Alisma triviale
2023 Ken-ichi Ueda
Alisma triviale
2022 R.A. Chasey
Alisma triviale
2019 Gena Bentall

Allium cepa    Garden onion
non-native
Perennial herb (bulb)

ALLIACEAE

Allium cepa
2019 Stacie Sherman
Allium cepa
2016 Zoya Akulova
Allium cepa
2016 Zoya Akulova

Allium sativum    Cultivated garlic
non-native
Perennial herb (bulb)

ALLIACEAE

Allium sativum
2005 Luigi Rignanese
Allium sativum
2005 Luigi Rignanese

Amaranthus deflexus    Amaranth,  Large fruited amaranth,  Largefruit amaranth
non-native
Annual herb

AMARANTHACEAE

Amaranthus deflexus
2018 Ron Vanderhoff
Amaranthus deflexus
2018 Ron Vanderhoff
Amaranthus deflexus
2018 Ron Vanderhoff

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2023 Ron Vanderhoff
Amaryllis belladonna
2022 Ron Vanderhoff

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

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

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. microcarpa    Small fruit seaside fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie
Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie

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

Antirrhinum nuttallianum ssp. subsessile    Nuttall's snapdragon
native
Annual, Perennial herb

PLANTAGINACEAE

Antirrhinum nuttallianum ssp. subsessile
2017 Steve Matson
Antirrhinum nuttallianum ssp. subsessile
2017 Steve Matson
Antirrhinum nuttallianum ssp. subsessile
2014 Steve Matson

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

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2021 David popp

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

APIACEAE

Apiastrum angustifolium
2020 Ron Vanderhoff
Apiastrum angustifolium
2020 Ron Vanderhoff
Apiastrum angustifolium
2020 Ron Vanderhoff

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

APIACEAE

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

Aptenia cordifolia    Baby sun rose,  Dew plant
non-native
Perennial herb

AIZOACEAE

Aptenia cordifolia
2022 Ron Vanderhoff
Aptenia cordifolia
2022 Ron Vanderhoff
Aptenia cordifolia
2022 Ron Vanderhoff

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

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

Arctostaphylos morroensis    Morro manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2020 David Greenberger

Arctostaphylos osoensis    Oso manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos osoensis
2020 David Greenberger
Arctostaphylos osoensis
2022 David Krause
Arctostaphylos osoensis
2019 Susan McDougall

rare native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. daciticola
2020 David Greenberger
Arctostaphylos tomentosa ssp. daciticola
2019 Susan McDougall
Arctostaphylos tomentosa ssp. daciticola
2020 David Greenberger

Arctotheca prostrata    prostrate cape weed,  creeping capeweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Arctotheca prostrata
2024 David Wolfson
Arctotheca prostrata
2020 Lenihan Mazur
Arctotheca prostrata
2021 David Wolfson

Artemisia biennis    Biennial sagewort
non-native
Annual, Perennial herb

ASTERACEAE

Artemisia biennis
2017 Adonis Tate
Artemisia biennis
2017 Ron Vanderhoff
Artemisia biennis
2023 R.A. Chasey

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

ASTERACEAE

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

Arthrocnemum subterminale    Parish's glasswort
native
Perennial herb

CHENOPODIACEAE

Arthrocnemum subterminale
2020 Sandy Leatherman
Arthrocnemum subterminale
2021 Denise Defreese
Arthrocnemum subterminale
2020 Ron Vanderhoff

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2020 Jennifer Mo
Arundo donax
2018 Ron Vanderhoff

Asphodelus fistulosus    Asphodel,  Onionweed
invasive non-native
Perennial herb

ASPHODELACEAE

Asphodelus fistulosus
2017 Steve Matson
Asphodelus fistulosus
2017 Steve Matson
Asphodelus fistulosus
2019 Ron Vanderhoff

Astragalus gambelianus    Dwarf loco weed,  Gambel's dwarf milk vetch,  Gambel's locoweed
native
Annual herb

FABACEAE

Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2022 Mike Russler

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
2006 Steve Matson

Astragalus nuttallii var. virgatus    Nuttall's milkvetch,  Ocean bluff milk vetch,  San francisco rattleweed
native
Perennial herb

FABACEAE

Astragalus nuttallii var. virgatus
2011 Toni Corelli
Astragalus nuttallii var. virgatus
2016 Toni Corelli
Astragalus nuttallii var. virgatus
2015 Mary Sue Ittner

Astragalus pomonensis    Pomona milk vetch,  Pomona milkvetch
native
Perennial herb

FABACEAE

Astragalus pomonensis
2020 David Greenberger
Astragalus pomonensis
2020 Ron Vanderhoff
Astragalus pomonensis
2023 Ron Vanderhoff

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

ATHYRIACEAE

Athyrium filix-femina var. cyclosorum
2021 R.A. Chasey
Athyrium filix-femina var. cyclosorum
2018 David popp
Athyrium filix-femina var. cyclosorum
2021 John Rawlings

Athysanus pusillus    Athysanus,  Common sandweed,  Dwarf athysanus
native
Annual herb

BRASSICACEAE

Athysanus pusillus
2008 Steve Matson
Athysanus pusillus
2008 Steve Matson
Athysanus pusillus
2008 Steve Matson

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

CHENOPODIACEAE

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

Atriplex prostrata    Fat-hen
non-native
Annual herb

CHENOPODIACEAE

Atriplex prostrata
2015 Alice Cummings
Atriplex prostrata
2023 Ron Vanderhoff
Atriplex prostrata
2018 Ron Vanderhoff

Atriplex semibaccata    Australian saltbush
invasive non-native
Perennial herb

CHENOPODIACEAE

Atriplex semibaccata
2015 James Bailey
Atriplex semibaccata
2021 David Wolfson
Atriplex semibaccata
2020 Ron Vanderhoff

Atriplex watsonii    Matscale,  Watson's saltbush
native
Perennial herb

CHENOPODIACEAE

Atriplex watsonii
2020 Ron Vanderhoff
Atriplex watsonii
2020 Ron Vanderhoff
Atriplex watsonii
2016 Keir Morse

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
2023 R.A. Chasey
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

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

Blitum 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
2020 Kimberly Coates
Bloomeria crocea var. aurea
2018 Gary McDonald

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

Bolboschoenus robustus x B. maritimus    Small Tree-Mallow


Brachypodium hybridum    Small Tree-Mallow


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

Brassica tournefortii    Saharan mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica tournefortii
2023 Julia Markey
Brassica tournefortii
2018 Jeffrey Black
Brassica tournefortii
2021 Ron Vanderhoff

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

POACEAE

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

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

POACEAE

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

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
2021 Amelia Ryan

non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. catharticus
2019 John Rawlings
Bromus catharticus var. catharticus
2023 Jacob Smith
Bromus catharticus var. catharticus
2023 Jacob Smith

Bromus catharticus var. elatus    Chilean brome
non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. elatus
2017 MCOSD EDRR
Bromus catharticus var. elatus
2006 Steve Matson
Bromus catharticus var. elatus
2014 Bryan Derr

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 maritimus    Maritime brome
native
Perennial grass

POACEAE

Bromus maritimus
2020 Ken Hickman
Bromus maritimus
2016 Richard Chasey
Bromus maritimus
2017 Toni Corelli

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

Bromus vulgaris    Columbia brome,  Common brome
native
Annual grass

POACEAE

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

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

BRASSICACEAE

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

Calandrinia breweri    Brewer's calandrinia
rare native
Annual herb

MONTIACEAE

Calandrinia breweri
2015 Ron Vanderhoff
Calandrinia breweri
2018 Ken Hickman
Calandrinia breweri
2014 Ron Vanderhoff

Calandrinia menziesii    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia menziesii
2021 Mary Ann Machi
Calandrinia menziesii
2019 Ron Vanderhoff
Calandrinia menziesii
2019 Ron Vanderhoff

Calibrachoa parviflora    Wild petunia
native
Annual herb

SOLANACEAE

Calibrachoa parviflora
2017 Ron Vanderhoff
Calibrachoa parviflora
2020 Ron Vanderhoff
Calibrachoa parviflora
2022 Ron Vanderhoff

Calochortus argillosus    Clay mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus argillosus
2016 Daniel Neal
Calochortus argillosus
2022 Suzanne L. Weakley
Calochortus argillosus
2022 Suzanne L. Weakley

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
2020 David Krause
Calochortus clavatus var. clavatus
2023 Mike Russler

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

Calyptridium monandrum
2019 Stacie Wolny
Calyptridium monandrum
2023 Maisie Borg
Calyptridium monandrum
2021 Mike Russler

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 malacophylla ssp. pedicellata    Jepson's morning glory,  Sierra false bindweed
native
Perennial herb

CONVOLVULACEAE

Calystegia malacophylla ssp. pedicellata
2021 R.A. Chasey
Calystegia malacophylla ssp. pedicellata
2020 David Greenberger
Calystegia malacophylla ssp. pedicellata
2021 Dick Rawson

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

CONVOLVULACEAE

Calystegia subacaulis ssp. episcopalis
2019 David Greenberger
Calystegia subacaulis ssp. episcopalis
2021 Kristen Nelson
Calystegia subacaulis ssp. episcopalis
2018 Adonis Tate

Camissonia strigulosa    Contorted primrose,  Sandysoil suncup,  Strigose sun cup
native
Annual herb

ONAGRACEAE

Camissonia strigulosa
2015 Diane Etchison
Camissonia strigulosa
2011 Michael Mitchell
Camissonia strigulosa
2015 Diane Etchison

native
Annual, Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2016 Steve Matson
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

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

BRASSICACEAE

Capsella bursa-pastoris
2008 Steve Matson
Capsella bursa-pastoris
2019 Cynthia Powell
Capsella bursa-pastoris
2022 Doug Allshouse

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 hirsuta    Hairy bitter cress,  Hairy bittercress
non-native
Annual herb

BRASSICACEAE

Cardamine hirsuta
2020 Ken Lunders
Cardamine hirsuta
2022 Donald Burk
Cardamine hirsuta
2022 Donald Burk

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

BRASSICACEAE

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

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

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

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
2019 Gary McDonald
Carduus pycnocephalus
2023 Diana Wahl
Carduus pycnocephalus
2017 Gary McDonald

Carex barbarae    Santa barbara sedge,  Valley sedge
native
Perennial grasslike herb

CYPERACEAE

Carex barbarae
2017 Eric Wrubel, NPS
Carex barbarae
2023 Ron Vanderhoff
Carex barbarae
2023 Ron Vanderhoff

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

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

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

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

Carex 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

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

Carthamus lanatus    Woolly distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus lanatus
2019 Lenihan Mazur
Carthamus lanatus
2019 Danielle Carney
Carthamus lanatus
2019 Danielle Carney

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
2006 Steve Matson
Castilleja affinis ssp. affinis
2006 Steve Matson
Castilleja affinis ssp. affinis
2019 Ron Vanderhoff

Castilleja attenuata    Narrow leaved owl's clover,  Valley tassels
native
Annual herb

OROBANCHACEAE

Castilleja attenuata
2009 BOB CASE
Castilleja attenuata
2023 R.A. Chasey
Castilleja attenuata
2022 Mike Russler

Castilleja exserta ssp. latifolia    Purple owl's clover,  Wideleaf indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. latifolia
2022 Julia Larke
Castilleja exserta ssp. latifolia
2022 R.A. Chasey
Castilleja exserta ssp. latifolia
2020 Mary Ann Machi

Ceanothus cuneatus var. fascicularis    Sand buck brush,  Sedgeleaf buckbrush
rare native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. fascicularis
2020 David Greenberger
Ceanothus cuneatus var. fascicularis
2012 Neal Kramer
Ceanothus cuneatus var. fascicularis
2022 Cynthia Powell

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
2017 Robert Barnard
Ceanothus cuneatus var. ramulosus
2020 Robert Steers
Ceanothus cuneatus var. ramulosus
2023 Robert Steers

Ceanothus impressus. var. impressus    Small Tree-Mallow


Ceanothus papillosus    warty-leaf ceanothus,  Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
2022 Justin Luong
Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2021 Mary Conway

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 cyanus    Garden cornflower
non-native
Annual herb

ASTERACEAE

Centaurea cyanus
2019 David Greenberger
Centaurea cyanus
2020 Joe Engelbrecht
Centaurea cyanus
2020 David Wolfson

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

Centranthus ruber    Jupiter's beard,  Red valerian
non-native
Annual, Perennial herb

VALERIANACEAE

Centranthus ruber
2013 Zachary Mikalonis
Centranthus ruber
2022 Justin Felder
Centranthus ruber
2020 Deborah Dozier

Chasmanthe floribunda    African cornflag,  Chasmanthe
invasive non-native
Perennial herb

IRIDACEAE

Chasmanthe floribunda
2020 Ron Vanderhoff
Chasmanthe floribunda
2020 Ron Vanderhoff
Chasmanthe floribunda
2017 Ron Vanderhoff

Chenopodiastrum 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

Chenopodium berlandieri    Berlandier's goosefoot,  Pit seed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri
2003 Keir Morse
Chenopodium berlandieri
2003 Keir Morse
Chenopodium berlandieri
2003 Keir Morse

Chenopodium berlandieri var. sinuatum    Pitseed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri var. sinuatum
2014 Ron Vanderhoff
Chenopodium berlandieri var. sinuatum
2023 Dianne Lake
Chenopodium berlandieri var. sinuatum
2018 Ron Vanderhoff

Chenopodium littoreum    Coastal goosefoot
rare native
Annual herb

CHENOPODIACEAE

Chenopodium littoreum
2014 John Sayers
Chenopodium littoreum
2014 John Sayers
Chenopodium littoreum
2012 Terrence Gosliner

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

Chlorogalum pomeridianum var. pomeridianum    Common soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
2021 Sue Graue
Chlorogalum pomeridianum var. pomeridianum
2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
2018 Karen Scheuermann

Chorizanthe angustifolia    Narrow leaf spineflower,  Narrowleaf spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe angustifolia
2020 David Greenberger
Chorizanthe angustifolia
2021 Keir Morse
Chorizanthe angustifolia
2021 Keir Morse

Chorizanthe diffusa    Diffuse spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe diffusa
2022 Irene Rosen
Chorizanthe diffusa
2020 David Greenberger
Chorizanthe diffusa
2022 Irene Rosen

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 staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

Chorizanthe staticoides
2019 Ron Vanderhoff
Chorizanthe staticoides
2019 Bryant Baker
Chorizanthe staticoides
2019 Ron Vanderhoff

Cicuta maculata var. bolanderi    Saltmarsh water hemlock,  Spotted water hemlock
rare native
Perennial herb

APIACEAE

Cicuta maculata var. bolanderi
2013 Steve Matson
Cicuta maculata var. bolanderi
2013 Steve Matson

Cirsium occidentale var. occidentale    Cobweb thistle,  Cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. occidentale
2022 Suzanne L. Weakley
Cirsium occidentale var. occidentale
2020 Coty Sifuentes-Winter
Cirsium occidentale var. occidentale
2019 Randy Huey

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

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

Cistus incanus    Hairy rockrose
non-native
Shrub

CISTACEAE

Cistus incanus
2020 Karen Swift
Cistus incanus
2023 Ron Vanderhoff
Cistus incanus
2018 Julian Geoghegan

Clarkia affinis    Chaparral clarkia,  Chaparral fairyfan
native
Annual herb

ONAGRACEAE

Clarkia affinis
2019 David Greenberger
Clarkia affinis
2019 Ken Hickman
Clarkia affinis
2020 Steve Laymon

Claytonia parviflora ssp. parviflora    Narrow leaved miner's lettuce,  Streambank springbeauty,  Utah miner s lettuce
native
Annual herb

MONTIACEAE

Claytonia parviflora ssp. parviflora
2022 Ron Vanderhoff
Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald

Claytonia perfoliata ssp. perfoliata    Claytonia,  Miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson

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

Conicosia pugioniformis    False ice plant,  Narrow leaved iceplant
invasive non-native
Perennial herb

AIZOACEAE

Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler

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 simulans    Small flowered morning glory
rare native
Annual herb

CONVOLVULACEAE

Convolvulus simulans
2016 Ron Vanderhoff
Convolvulus simulans
2017 James Bailey
Convolvulus simulans
2023 David Gowen

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
2022 Mike Russler
Corethrogyne filaginifolia
2018 Ron Vanderhoff
Corethrogyne filaginifolia
2019 Diane Etchison

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 australis    Australian brass buttons,  Australian cotula,  Australian waterbuttons
non-native
Annual herb

ASTERACEAE

Cotula australis
2023 Mike Russler
Cotula australis
2022 Ron Vanderhoff
Cotula australis
2023 Mike Russler

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

ASTERACEAE

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

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

CRASSULACEAE

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

Crassula tillaea    Mediterranean pygmy weed,  Moss pygmyweed
non-native
Annual herb

CRASSULACEAE

Crassula tillaea
2019 Ron Vanderhoff
Crassula tillaea
2019 Ron Vanderhoff
Crassula tillaea
2019 Ron Vanderhoff

Crocanthemum scoparium    peak rush-rose,  broom rush-rose
native
Shrub

CISTACEAE

Crocanthemum scoparium
2020 Stacie Wolny
Crocanthemum scoparium
2020 Stacie Wolny
Crocanthemum scoparium
2020 Stacie Wolny

Croton californicus    California croton,  Desert croton
native
Perennial herb

EUPHORBIACEAE

Croton californicus
2022 Dianne Lake
Croton californicus
2022 Aaron Echols
Croton californicus
2022 Aaron Echols

Crypsis schoenoides    Swamp grass,  Swamp picklegrass,  Swamp pricklegrass
non-native
Annual grass

POACEAE

Crypsis schoenoides
2023 Ron Vanderhoff
Crypsis schoenoides
2018 Ron Vanderhoff
Crypsis schoenoides
2019 Ron Vanderhoff

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
2017 Steve Matson

Cryptantha micromeres    Minute flowered cryptantha,  Pygmyflower cryptantha,  Small flowered cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha micromeres
2021 Jodi McGraw
Cryptantha micromeres
2020 Ken Hickman
Cryptantha micromeres
2019 John Rawlings

Cuscuta occidentalis    California dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta occidentalis
2022 R.A. Chasey
Cuscuta occidentalis
2018 David popp
Cuscuta occidentalis
2022 R.A. Chasey

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta pacifica var. pacifica
2020 Ron Vanderhoff
Cuscuta pacifica var. pacifica
2020 Ron Vanderhoff
Cuscuta pacifica var. pacifica
2020 R.A. Chasey

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

POACEAE

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

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

POACEAE

Cynosurus echinatus
2017 Gary McDonald
Cynosurus echinatus
2010 Julie A. Kierstead
Cynosurus echinatus
2022 Ron Vanderhoff

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

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

Cyperus involucratus    Umbrella plant,  Unbrella plant
non-native
Perennial grasslike herb

CYPERACEAE

Cyperus involucratus
2018 Rachelle Gray
Cyperus involucratus
2020 Martin Lemon
Cyperus involucratus
2018 Jennifer Mo

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

POACEAE

Dactylis glomerata
2018 Jennifer Mo
Dactylis glomerata
2020 Jim Richards
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
2002 Bart and Susan Eisenberg

Datura stramonium    Jimson weed,  Jimsonweed
non-native
Annual herb

SOLANACEAE

Datura stramonium
2011 Steve Matson
Datura stramonium
2011 Steve Matson
Datura stramonium
2020 Ron Vanderhoff

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 fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

Deinandra fasciculata
2022 David Strauch
Deinandra fasciculata
2017 Steve Matson
Deinandra fasciculata
2017 Steve Matson

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

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

Dendromecon rigida
2019 Eliezer Margolis
Dendromecon rigida
2018 Hunter Breck
Dendromecon rigida
2010 Suzanne L. Weakley

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2023 Robert Steers

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr
Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr
Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr

Dimorphotheca ecklonis    Blue & white daisybush
non-native
Perennial herb

ASTERACEAE

Dimorphotheca ecklonis
2019 Dean Taylor
Dimorphotheca ecklonis
2018 David Wolfson
Dimorphotheca ecklonis
2020 Nathan Taxel

Diplacus aurantiacus var. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. aurantiacus
2023 Bill Kress
Diplacus aurantiacus var. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus var. aurantiacus
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
2008 Steve Matson
Dipterostemon capitatus ssp. capitatus
2016 Steve Matson
Dipterostemon capitatus ssp. capitatus
2016 Steve Matson

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

POACEAE

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

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

AIZOACEAE

Drosanthemum floribundum
2019 Michelle Karle
Drosanthemum floribundum
2019 Michelle Karle
Drosanthemum floribundum
2022 Ramona Robison

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. glandulosa
2020 Diane Etchison
Drymocallis glandulosa var. glandulosa
2017 Steve Matson
Drymocallis glandulosa var. glandulosa
2021 Mike Russler

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. wrangelliana
2020 Mary Conway
Drymocallis glandulosa var. wrangelliana
2017 Gary McDonald
Drymocallis glandulosa var. wrangelliana
2017 Gary McDonald

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
2018 Kristen Nelson
Dudleya blochmaniae ssp. blochmaniae
2023 Mike Russler

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

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

Ehrharta calycina    Perennial veldt grass,  Perennial veldtgrass
invasive non-native
Perennial grass

POACEAE

Ehrharta calycina
2020 David Greenberger
Ehrharta calycina
2019 Ron Vanderhoff
Ehrharta calycina
2018 Ron Vanderhoff

Ehrharta erecta    Panic veldtgrass,  Upright veldt grass
invasive non-native
Perennial grass

POACEAE

Ehrharta erecta
2023 Rachel Suding
Ehrharta erecta
2020 Ron Vanderhoff
Ehrharta erecta
2020 Ron Vanderhoff

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 triticoides    Beardless wild rye
native
Perennial grass

POACEAE

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

Emex spinosa    Devil's thorn,  Spiny threecornerjack
invasive non-native
Annual herb

POLYGONACEAE

Emex spinosa
2017 Barbara Boethling
Emex spinosa
2015 Ron Vanderhoff
Emex spinosa
2017 Barbara Boethling

Encelia californica    Bush sunflower,  California brittlebush,  California encelia
native
Shrub

ASTERACEAE

Encelia californica
2020 Aaron Echols
Encelia californica
2021 Mary Wloch
Encelia californica
2020 Diane Etchison

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

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
2013 Michael Mitchell
Equisetum hyemale ssp. affine
2021 Ron Vanderhoff
Equisetum hyemale ssp. affine
2013 Michael Mitchell

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

EQUISETACEAE

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

Equisetum xferrissii    Ferris' horsetail
native
Fern

EQUISETACEAE

Equisetum xferrissii
2018 Gerald Carr
Equisetum xferrissii
2018 Gerald Carr
Equisetum xferrissii
2018 Gerald Carr

native
Perennial herb

POLEMONIACEAE

Eriastrum densifolium ssp. densifolium
2018 Cindy Roessler
Eriastrum densifolium ssp. densifolium
2018 Cindy Roessler
Eriastrum densifolium ssp. densifolium
2023 Ron Vanderhoff

Ericameria ericoides    California goldenbush,  Mock heather
native
Shrub

ASTERACEAE

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

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

Erigeron bonariensis
2021 Donald Burk
Erigeron bonariensis
2017 Gary McDonald
Erigeron bonariensis
2023 Ron Vanderhoff

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

Erigeron foliosus var. foliosus    Leafy fleabane,  Thread stemmed fleabane
native
Perennial herb, Shrub

ASTERACEAE

Erigeron foliosus var. foliosus
2023 Ron Vanderhoff
Erigeron foliosus var. foliosus
2021 Jacob Martin
Erigeron foliosus var. foliosus
2022 Ron Vanderhoff

Erigeron sumatrensis    Tropical horseweed
non-native
Annual herb

ASTERACEAE

Erigeron sumatrensis
2021 Doug Allshouse
Erigeron sumatrensis
2020 Ron Vanderhoff
Erigeron sumatrensis
2020 Ron Vanderhoff

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 gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracile
2018 Stacie Wolny
Eriogonum gracile
2018 Stacie Wolny
Eriogonum gracile
2018 Stacie Wolny

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 multicaule    Branched woolly sunflower,  Many stemmed eriophyllum,  Manystem woolly sunflower
native
Annual herb

ASTERACEAE

Eriophyllum multicaule
2020 David Wolfson
Eriophyllum multicaule
2020 David Greenberger
Eriophyllum multicaule
2022 David Wolfson

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

ASTERACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

Erysimum suffrutescens    Suffrutescent wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum suffrutescens
2020 David Greenberger
Erysimum suffrutescens
2013 Debra L. Cook
Erysimum suffrutescens
2014 Neal Kramer

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Erythranthe cardinalis
2014 James Gonsman
Erythranthe cardinalis
2023 Steve Conger
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
2022 Ron Vanderhoff
Eucalyptus globulus
2022 Ron Vanderhoff
Eucalyptus globulus
2022 Ron Vanderhoff

Eucrypta chrysanthemifolia var. chrysanthemifolia    Common eucrypta,  Spotted hideseed
native
Annual herb

HYDROPHYLLACEAE

Eucrypta chrysanthemifolia var. chrysanthemifolia
2014 Steve Matson
Eucrypta chrysanthemifolia var. chrysanthemifolia
2014 Steve Matson
Eucrypta chrysanthemifolia var. chrysanthemifolia
2014 Steve Matson

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
2017 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 serpens    Matted sandmat
non-native
Annual herb

EUPHORBIACEAE

Euphorbia serpens
2019 B.J. Dion
Euphorbia serpens
2018 Ron Vanderhoff
Euphorbia serpens
2020 Ron Vanderhoff

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

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
2021 Steve Matson
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2021 R.A. Chasey

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 microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
2022 Aaron Sunshine
Festuca microstachys
2011 Steve Matson
Festuca microstachys
2011 Steve Matson

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

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 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
2006 Steve Matson
Fritillaria biflora var. biflora
2006 Steve Matson
Fritillaria biflora var. biflora
2006 Steve Matson

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. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. californicum
2018 Ken Hickman
Galium californicum ssp. californicum
2017 Ken Hickman
Galium californicum ssp. californicum
2015 James Gonsman

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 Julia Larke

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

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

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

GARRYACEAE

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

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

Gastridium phleoides
2020 Ron Vanderhoff
Gastridium phleoides
2020 Ron Vanderhoff
Gastridium phleoides
2001 Julie Kierstead Nelson

Gazania linearis    Gazania,  Treasure flower,  Treasureflower
invasive non-native
Perennial herb

ASTERACEAE

Gazania linearis
2016 Barbara Boethling
Gazania linearis
2018 Ron Vanderhoff
Gazania linearis
2018 Ron Vanderhoff

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
2021 R.A. Chasey
Grindelia hirsutula
2020 R.A. Chasey
Grindelia hirsutula
2015 Ken Lunders

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
2021 Mary Conway

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 puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

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
2023 Ken-ichi Ueda
Hesperocnide tenella
2006 Steve Matson
Hesperocnide tenella
2020 Ken Hickman

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Hesperocyparis macrocarpa
2019 Patrick Furtado
Hesperocyparis macrocarpa
2019 Susan McDougall
Hesperocyparis macrocarpa
2019 Cynthia Powell

Hesperomecon linearis    Narrowleaf queen poppy
native
Annual herb

PAPAVERACEAE

Hesperomecon linearis
2021 Mary Conway
Hesperomecon linearis
2021 Mary Conway
Hesperomecon linearis
2021 Karen Swift

Heteranthemis viscidihirta    Sand chrysanthemum
non-native
Annual herb

ASTERACEAE

Heteranthemis viscidihirta
2012 Zoya Akulova
Heteranthemis viscidihirta
2015 Richard Spellenberg
Heteranthemis viscidihirta
2012 Zoya Akulova

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

Heterotheca grandiflora
2021 Mike Russler
Heterotheca grandiflora
2021 Mike Russler
Heterotheca grandiflora
2021 Mike Russler

Heuchera pilosissima    Alum root,  Seaside alumroot
native
Perennial herb

SAXIFRAGACEAE

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

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
2020 Ron Vanderhoff
Hoita macrostachya
2022 Natalie McNear
Hoita macrostachya
2021 Julie King

native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. brachyantherum
2023 Denise Defreese
Hordeum brachyantherum ssp. brachyantherum
2015 Steve Matson
Hordeum brachyantherum ssp. brachyantherum
2015 Steve Matson

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

POACEAE

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

Hordeum depressum    Alkali barley,  Dwarf barley,  Low barley
native
Annual grass

POACEAE

Hordeum depressum
2017 Steve Matson
Hordeum depressum
2017 Steve Matson
Hordeum depressum
2017 Steve Matson

Hordeum marinum subsp gussoneanum    Small Tree-Mallow


Hordeum murinum ssp. glaucum    Blue foxtail,  Smooth barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. glaucum
2018 Gary McDonald
Hordeum murinum ssp. glaucum
2019 Gary McDonald
Hordeum murinum ssp. glaucum
2017 Gary McDonald

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

POACEAE

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

Horkelia californica 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
2019 David Greenberger
Horkelia cuneata var. cuneata
2021 Mary Conway

Horkelia cuneata var. sericea    Kellogg's horkelia
rare native
Perennial herb

ROSACEAE

Horkelia cuneata var. sericea
2021 Cara Wilcox
Horkelia cuneata var. sericea
2022 Irene Rosen
Horkelia cuneata var. sericea
2021 Cara Wilcox

Hydrocotyle verticillata    Whorled marsh pennywort,  Whorled marshpennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle verticillata
2013 Ron Vanderhoff
Hydrocotyle verticillata
2020 Robert Byrnes
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

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

ASTERACEAE

Isocoma menziesii var. vernonioides
2014 Steve Matson
Isocoma menziesii var. vernonioides
2014 Steve Matson
Isocoma menziesii var. vernonioides
2014 Steve Matson

Isolepis cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis cernua
2021 R.A. Chasey
Isolepis cernua
2023 R.A. Chasey
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

Juncus breweri    Brewer's rush
native
Perennial grasslike herb

JUNCACEAE

Juncus breweri
2016 Steve Matson
Juncus breweri
2016 Steve Matson
Juncus breweri
2016 Steve Matson

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
2004 Steve Matson

Juncus hesperius    Coast or bog rush
native
Perennial grasslike herb

JUNCACEAE

Juncus hesperius
2004 Steve Matson

Juncus lescurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lescurii
2008 Toni Corelli
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
2018 Emily Allen

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
2019 Ken Hickman
Juncus phaeocephalus var. phaeocephalus
2019 John Rawlings

Kickxia elatine    Sharp leaved fluellin,  Sharp point fluellin,  Sharpleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia elatine
2023 John Malpas
Kickxia elatine
2018 Ron Vanderhoff
Kickxia elatine
2016 Barbara Boethling

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
2023 Helen Hancock
Koeleria macrantha
2015 Steve Matson
Koeleria macrantha
2015 Steve Matson

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
2017 Gary McDonald
Lactuca serriola
2017 Gary McDonald

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
2017 B.J. Dion
Lamarckia aurea
2019 Ron Vanderhoff
Lamarckia aurea
2015 James Gonsman

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

Lastarriaea coriacea
2020 Ron Vanderhoff
Lastarriaea coriacea
2020 Ron Vanderhoff
Lastarriaea coriacea
2021 Jacob Smith

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

Lasthenia gracilis
2014 Steve Matson
Lasthenia gracilis
2014 Steve Matson
Lasthenia gracilis
2014 Steve Matson

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 jepsonii var. californicus    California tule pea
native
Perennial herb

FABACEAE

Lathyrus jepsonii var. californicus
2020 R.A. Chasey
Lathyrus jepsonii var. californicus
2019 Esther Cole
Lathyrus jepsonii var. californicus
2020 R.A. Chasey

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

FABACEAE

Lathyrus vestitus var. vestitus
2023 Steve Conger
Lathyrus vestitus var. vestitus
2022 Charles Russell
Lathyrus vestitus var. vestitus
2015 Chris Jaster

Layia glandulosa    White layia,  White tidy tips,  Whitedaisy tidytips
native
Annual herb

ASTERACEAE

Layia glandulosa
2016 James Gonsman
Layia glandulosa
2021 Mike Russler
Layia glandulosa
2017 Alison Sheehey

Layia hieracioides    Hawkweed layia,  Tall layia,  Tall tidytips
native
Annual herb

ASTERACEAE

Layia hieracioides
2020 David Greenberger
Layia hieracioides
2021 R.A. Chasey
Layia hieracioides
2022 R.A. Chasey

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 minuta    Least duckweed
native
Perennial herb

ARACEAE

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

Lemna turionifera    Turion duckweed
native
Perennial herb

ARACEAE

Lemna turionifera
2001 James B. Gratiot
Lemna turionifera
2014 Jeff Greenhouse

Lepidium didymum    Lesser swine cress
non-native
Annual herb

BRASSICACEAE

Lepidium didymum
2022 Shawna Martinez
Lepidium didymum
2023 Ron Vanderhoff
Lepidium didymum
2023 Ron Vanderhoff

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
2021 Steve Matson
Lepidium nitidum
2016 Steve Matson
Lepidium nitidum
2021 Steve Matson

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

BRASSICACEAE

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

Leptochloa fusca ssp. uninervia    Mexican sprangletop
native
Annual grass

POACEAE

Leptochloa fusca ssp. uninervia
2009 Ron Vanderhoff
Leptochloa fusca ssp. uninervia
2012 James M. Andre
Leptochloa fusca ssp. uninervia
2016 Neil Uelman

Leptosyne gigantea    Giant coreopsis
native
Shrub

ASTERACEAE

Leptosyne gigantea
2020 David Greenberger
Leptosyne gigantea
2017 David Wolfson
Leptosyne gigantea
2006 Steve Matson

Limonium californicum    California sealavender,  Marsh rosemary,  Sea lavender
native
Perennial herb

PLUMBAGINACEAE

Limonium californicum
2018 Saskia Raether
Limonium californicum
2010 Jorg Fleige & Mimi Fleige
Limonium californicum
2017 MCOSD EDRR

Limonium duriusculum    European sea lavender
invasive non-native
Perennial herb

PLUMBAGINACEAE

Limonium duriusculum
2016 Ron Vanderhoff
Limonium duriusculum
2016 Ron Vanderhoff
Limonium duriusculum
2019 Amanda Swanson

Lobularia maritima    Sweet alyssum
invasive non-native
Perennial herb

BRASSICACEAE

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

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

Logfia filaginoides
2019 Steve Matson
Logfia filaginoides
2019 Steve Matson
Logfia filaginoides
2019 Steve Matson

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
2017 Barbara Boethling
Logfia gallica
2023 Ron Vanderhoff
Logfia gallica
2023 Ron Vanderhoff

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 utriculatum    Bladder parsnip,  Common lomatium,  Hog fennel
native
Perennial herb

APIACEAE

Lomatium utriculatum
2006 Steve Matson
Lomatium utriculatum
2019 Eliezer Margolis
Lomatium utriculatum
2015 James Gonsman

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

Lunaria annua    Annual honesty,  Annual moonwort,  Honesty
non-native
Annual, Perennial herb

BRASSICACEAE

Lunaria annua
2022 Suzanne L. Weakley
Lunaria annua
2021 Lisa Berry
Lunaria annua
2021 Mike Russler

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
2021 Ken Lunders
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus chamissonis    Beach blue lupine,  Chamisso bush lupine,  Dune bush lupine
native
Shrub

FABACEAE

Lupinus chamissonis
2020 Susan McDougall
Lupinus chamissonis
2022 Mike Russler
Lupinus chamissonis
2021 Cara Wilcox

Lupinus microcarpus var. densiflorus    Chick lupine,  Dense flowered platycarpos,  Whitewhorl lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. densiflorus
2014 Steve Matson
Lupinus microcarpus var. densiflorus
2014 Steve Matson
Lupinus microcarpus var. densiflorus
2014 Steve Matson

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

Lupinus succulentus
2023 Andy Ford
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny

Lupinus truncatus    Blunt leaved lupine,  Collared annual lupine,  Truncate leaf lupine
native
Annual herb

FABACEAE

Lupinus truncatus
2023 Caitlin Kreutz
Lupinus truncatus
2023 Connor O'Hara-Baker
Lupinus truncatus
2010 Michael Mitchell

native
Shrub

FABACEAE

Lupinus variicolor
2022 Suzanne L. Weakley
Lupinus variicolor
2015 James Gonsman
Lupinus variicolor
2022 Mary Sue Ittner

Luzula subsessilis    Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula subsessilis
2023 R.A. Chasey
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
2022 Chris McDonald
Lysimachia arvensis
2023 Ron Vanderhoff

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

LYTHRACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

Madia gracilis
2022 Mike Russler
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

Mahonia pinnata ssp. pinnata    California barberry,  Coast barberry,  Shiny leaf barberry
native
Shrub

BERBERIDACEAE

Mahonia pinnata ssp. pinnata
2022 Alice Cummings
Mahonia pinnata ssp. pinnata
2021 Ron Vanderhoff
Mahonia pinnata ssp. pinnata
2021 R.A. Chasey

Maianthemum racemosum    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum racemosum
2020 Bob Sweatt
Maianthemum racemosum
2018 Steve Matson
Maianthemum racemosum
2019 Cynthia Powell

Maianthemum stellatum    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum stellatum
2021 Cyril Guyot
Maianthemum stellatum
2003 Steve Matson
Maianthemum stellatum
2020 Susan McDougall

Malacothrix incana    Dunedelion
rare native
Perennial herb

ASTERACEAE

Malacothrix incana
2020 David Greenberger
Malacothrix incana
2018 David Wolfson
Malacothrix incana
2006 Steve Matson

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 Gary McDonald
Marah fabacea
2018 MCOSD EDRR
Marah fabacea
2021 Cyril Guyot

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

Matricaria discoidea
2008 Steve Matson
Matricaria discoidea
2008 Steve Matson
Matricaria discoidea
2018 Stacie Wolny

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 sativa    Alfalfa
non-native
Perennial herb

FABACEAE

Medicago sativa
2017 Hayley Ross
Medicago sativa
2020 Bob Sweatt
Medicago sativa
2017 Hayley Ross

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
2023 John Rawlings
Melica californica
2021 John Rawlings
Melica californica
2022 John Rawlings

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

Mentha aquatica    Water mint
non-native
Perennial herb

LAMIACEAE

Mentha aquatica
2020 Ron Vanderhoff
Mentha aquatica
2020 Ron Vanderhoff
Mentha aquatica
2021 Nathan Taxel

Mentha spicata    Spearmint
non-native
Perennial herb

LAMIACEAE

Mentha spicata
2022 Donald Burk
Mentha spicata
2022 Donald Burk
Mentha spicata
2023 Ron Vanderhoff

Mesembryanthemum nodiflorum    Slender leaved ice plant,  Slenderleaf iceplant,  Small flowered iceplant
invasive non-native
Annual herb

AIZOACEAE

Mesembryanthemum nodiflorum
2009 Howard Clark
Mesembryanthemum nodiflorum
2021 Michelle Karle
Mesembryanthemum nodiflorum
2019 Jennifer Mo

rare native
Annual herb

LAMIACEAE

Monardella sinuata ssp. sinuata
2016 John Moule
Monardella sinuata ssp. sinuata
2020 Melissa Mooney
Monardella sinuata ssp. sinuata
2017 Keir Morse

native
Perennial herb

LAMIACEAE

Monardella villosa var. subglabra
2021 Ken Lunders
Monardella villosa var. subglabra
2012 Terrence Gosliner
Monardella villosa var. subglabra
2015 James Gonsman

Morella californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Morella californica
2019 Michelle Karle
Morella californica
2020 Kim Cabera
Morella californica
2020 Susan McDougall

Mucronea californica    California spineflower
rare native
Annual herb

POLYGONACEAE

Mucronea californica
2020 David Greenberger
Mucronea californica
2005 Christopher L. Christie
Mucronea californica
2015 Debra L. Cook

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
2019 Diane Etchison
Nasturtium officinale
2012 Steve Matson

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides
2019 Diane Etchison
Navarretia atractyloides
2010 George Butterworth
Navarretia atractyloides
2019 Ken Hickman

Navarretia hamata ssp. parviloba    Hooked navarretia,  Small lobe navarretia
native
Annual herb

POLEMONIACEAE

Navarretia hamata ssp. parviloba
2022 R.A. Chasey
Navarretia hamata ssp. parviloba
2017 R.A. Chasey
Navarretia hamata ssp. parviloba
2021 Cara Wilcox

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
2019 Marisa Persaud
Navarretia squarrosa
2019 Patrick Furtado
Navarretia squarrosa
2022 Suzanne L. Weakley

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila pedunculata
2003 Steve Matson
Nemophila pedunculata
2020 Bob Sweatt
Nemophila pedunculata
2024 Alaine Arslan

Nicotiana acuminata var. multiflora    Many flowered tobacco,  Manyflower tobacco,  Tobacco
non-native
Annual herb

SOLANACEAE

Nicotiana acuminata var. multiflora
2023 Mike Russler
Nicotiana acuminata var. multiflora
2019 Michelle Karle
Nicotiana acuminata var. multiflora
2023 R.A. Chasey

Nuttallanthus texanus    Blue toadflax
native
Annual, Perennial herb

PLANTAGINACEAE

Nuttallanthus texanus
2017 Steve Matson
Nuttallanthus texanus
2017 Steve Matson
Nuttallanthus texanus
2017 Steve Matson

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

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

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

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

Opuntia ficus-indica    Mission cactus,  Tuna cactus
non-native
Shrub (stem succulent)

CACTACEAE

Opuntia ficus-indica
2020 Ron Vanderhoff
Opuntia ficus-indica
2020 Ron Vanderhoff
Opuntia ficus-indica
2020 Ron Vanderhoff

Opuntia phaeacantha    Brown spined prickly pear,  Mojave prickly pear,  Tulip pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia phaeacantha
2021 R.A. Chasey
Opuntia phaeacantha
2018 Diane Etchison
Opuntia phaeacantha
2021 R.A. Chasey

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 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

Oxybasis chenopodioides    Small Tree-Mallow


Oxybasis macrosperma    Small Tree-Mallow


Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2024 Ron Vanderhoff
Paeonia californica
2023 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

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

Pectocarya penicillata    Sleeping combseed,  Winged comb seed,  Winged pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2022 Steve Matson

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2023 Steve Conger
Pellaea andromedifolia
2021 Steve Matson
Pellaea andromedifolia
2021 Mike Russler

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

PTERIDACEAE

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

native
Fern

PTERIDACEAE

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

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

Phacelia douglasii var. douglasii    Douglas' phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia douglasii var. douglasii
2019 Michael Mitchell
Phacelia douglasii var. douglasii
2014 Michael Mitchell
Phacelia douglasii var. douglasii
2019 Michael Mitchell

Phacelia douglasii var. petrophila    Douglas' phacelia,  Rockloving phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia douglasii var. petrophila
2020 David Greenberger
Phacelia douglasii var. petrophila
2021 R.A. Chasey
Phacelia douglasii var. petrophila
2021 R.A. Chasey

Phacelia malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia malvifolia
2018 Michael Mitchell
Phacelia malvifolia
2022 Jennifer Mo
Phacelia malvifolia
2013 Toni Corelli

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 brachystachys    Short spike canarygrass,  Shortspike canarygrass
non-native
Annual grass

POACEAE

Phalaris brachystachys
2023 John Rawlings
Phalaris brachystachys
2023 John Rawlings
Phalaris brachystachys
2007 Luigi Rignanese

Phalaris paradoxa    Hood canarygrass
non-native
Annual grass

POACEAE

Phalaris paradoxa
2021 David popp
Phalaris paradoxa
2021 John Rawlings
Phalaris paradoxa
2017 James Bailey

Pholisma arenarium    Desert christmas tree,  Desert pholisma,  Dune food
native
Perennial herb (parasitic)

LENNOACEAE

Pholisma arenarium
2015 Justin Luong
Pholisma arenarium
2018 Peri Lee
Pholisma arenarium
2019 Matt Berger

Pholistoma auritum var. auritum    Blue fiesta flower,  Blue fiestaflower,  Fiesta flower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma auritum var. auritum
2014 Steve Matson
Pholistoma auritum var. auritum
2014 Steve Matson
Pholistoma auritum var. auritum
2014 Steve Matson

native
Perennial grass

POACEAE

Phragmites australis ssp. americanus
2013 Ron Vanderhoff
Phragmites australis ssp. americanus
2020 Ron Vanderhoff
Phragmites australis ssp. americanus
2022 Steve Matson

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

ZOSTERACEAE

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

Pinus radiata    Monterey pine
native
Tree

PINACEAE

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

Piperia michaelii    Michael's piperia,  Michael's rein orchid
rare native
Perennial herb

ORCHIDACEAE

Piperia michaelii
2019 stephen rosenthal
Piperia michaelii
2023 John Rawlings
Piperia michaelii
2020 Ken Hickman

Plagiobothrys canescens    Grey popcorn flower,  Valley popcorn flower,  Valley popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys canescens
2022 Catherine Chang
Plagiobothrys canescens
2016 Steve Matson
Plagiobothrys canescens
2016 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 erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

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

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Diane Etchison
Platystemon californicus
2022 John L. Thompson
Platystemon californicus
2022 John L. Thompson

Plectritis congesta ssp. brachystemon    Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon
2023 Catherine Chang
Plectritis congesta ssp. brachystemon
2005 Steve Matson
Plectritis congesta ssp. brachystemon
2018 Gail Johnson

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 pratensis    Kentucky blue grass,  Kentucky bluegrass
invasive non-native
Perennial grass

POACEAE

Poa pratensis
2013 Andrea Williams
Poa pratensis
2008 Keir Morse
Poa pratensis
2013 Andrea Williams

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 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 ssp. depressum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare ssp. depressum
2016 Barbara Boethling
Polygonum aviculare ssp. depressum
2021 Ron Vanderhoff
Polygonum aviculare ssp. depressum
2014 Richard Chasey

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

Polypodium scouleri    Leather fern,  Leather leaf fern,  Leathery polypody
native
Fern

POLYPODIACEAE

Polypodium scouleri
2018 Gregory Arena
Polypodium scouleri
2021 R.A. Chasey
Polypodium scouleri
2022 David Strauch

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
2008 Steve Matson
Polypogon monspeliensis
2014 Steve Matson
Polypogon monspeliensis
2008 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 trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2019 Ron Vanderhoff
Populus trichocarpa
2012 Steve Matson
Populus trichocarpa
2012 Steve Matson

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

Primula clevelandii var. insulare    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Primula clevelandii var. insulare
2006 Steve Matson
Primula clevelandii var. insulare
2020 Aaron Echols
Primula clevelandii var. insulare
2023 David Strauch

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri
2021 Norma Solarz
Prosartes hookeri
2021 Cara Wilcox
Prosartes hookeri
2019 Stacie Wolny

Prunus fasciculata var. punctata    Desert almond,  Sand almond
rare native
Shrub

ROSACEAE

Prunus fasciculata var. punctata
2018 Cindy Roessler
Prunus fasciculata var. punctata
2023 Jordan Collins
Prunus fasciculata var. punctata
2018 Cindy Roessler

Prunus ilicifolia var. ilicifolia    Holly leaf cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia var. ilicifolia
2018 David Greenberger
Prunus ilicifolia var. ilicifolia
2019 Ron Vanderhoff
Prunus ilicifolia var. ilicifolia
2020 James Gonsman

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
2021 Ron Vanderhoff
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
2017 Gary McDonald

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
2017 Gary McDonald
Pseudognaphalium stramineum
2017 Gary McDonald
Pseudognaphalium stramineum
2017 Gary McDonald

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
2006 Steve Matson
Psilocarphus tenellus
2006 Steve Matson
Psilocarphus tenellus
2018 Ron Vanderhoff

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

DENNSTAEDTIACEAE

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

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

FAGACEAE

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

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
2022 David Strauch
Quercus berberidifolia
2020 Cynthia Keiser
Quercus berberidifolia
2020 Cynthia Keiser

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
2019 David Greenberger
Rafinesquia californica
2021 Ron Vanderhoff
Rafinesquia californica
2017 Steve Matson

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

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

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

BRASSICACEAE

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

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

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

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia
2020 David Greenberger
Rhus integrifolia
2019 Ron Vanderhoff
Rhus integrifolia
2024 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
2020 Susan McDougall

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

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

Ricinus communis    Castor bean,  Castorbean
invasive non-native
Shrub

EUPHORBIACEAE

Ricinus communis
2017 Henry DiRocco
Ricinus communis
2020 Aaron Echols
Ricinus communis
2022 Ron Vanderhoff

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

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
2021 David Gowen
Rosa spithamea
1973 Geoff Burleigh
Rosa spithamea
2020 David Krause

Rubus parviflorus    Western thimbleberry,  Thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
2022 Zoya Akulova-Barlow
Rubus parviflorus
2020 Mary Sue Ittner
Rubus parviflorus
2019 Patrick Furtado

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

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

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

Rumex salicifolius var. salicifolius
2023 Ron Vanderhoff
Rumex salicifolius var. salicifolius
2012 Gary McDonald
Rumex salicifolius var. salicifolius
2012 Gary McDonald

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

Salicornia bigelovii    Bigelow's pickleweed,  Dwarf saltwort
native
Annual herb

CHENOPODIACEAE

Salicornia bigelovii
2021 Ron Vanderhoff
Salicornia bigelovii
2021 Ron Vanderhoff
Salicornia bigelovii
2020 Sandy Leatherman

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 laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2017 Steve Matson
Salix laevigata
2019 Barbara Brydolf
Salix laevigata
2022 Mark Gary

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

Salsola australis    Russian thistle
non-native
Annual herb

CHENOPODIACEAE

Salsola australis
2018 Ron Vanderhoff
Salsola australis
2017 James Bailey
Salsola australis
2019 Ron Vanderhoff

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

Salvia spathacea
2020 David Wolfson
Salvia spathacea
2020 Abby Nichols
Salvia spathacea
2020 Bryant Baker

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 arguta    Sharp toothed sanicle,  Sharp toothed snakeroot,  Sharptooth blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula arguta
2022 Ron Vanderhoff
Sanicula arguta
2017 Diane Etchison
Sanicula arguta
2006 Steve Matson

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

APIACEAE

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

Sanicula laciniata    Coast sanicle,  Coastal blacksnakeroot
native
Perennial herb

APIACEAE

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

Scandix pecten-veneris    Shepherd's needle,  Shepherdsneedle,  Venus' needle
non-native
Annual herb, Vine

APIACEAE

Scandix pecten-veneris
2006 Steve Matson
Scandix pecten-veneris
2018 Stacie Wolny
Scandix pecten-veneris
2006 Steve Matson

Schismus arabicus    Arabian schismus,  Mediterranean grass
invasive non-native
Annual grass

POACEAE

Schismus arabicus
2020 Ron Vanderhoff
Schismus arabicus
2017 James Bailey
Schismus arabicus
2022 Katherine Stratton

Schismus barbatus    Common mediterranean grass,  Old han schismus
invasive non-native
Annual grass

POACEAE

Schismus barbatus
2022 Ron Vanderhoff
Schismus barbatus
2022 Ron Vanderhoff
Schismus barbatus
2022 Ron Vanderhoff

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus acutus var. occidentalis
2019 Steve Matson
Schoenoplectus acutus var. occidentalis
2019 Steve Matson
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
2008 Steve Matson
Schoenoplectus pungens var. longispicatus
2008 Steve Matson

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

Scrophularia californica ssp. floribunda    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

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

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
2006 Steve Matson
Scutellaria tuberosa
2006 Steve Matson
Scutellaria tuberosa
2006 Steve Matson

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

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

Senna multiglandulosa    Glandular cassia
non-native
Shrub

FABACEAE

Senna multiglandulosa
2011 Neal Kramer
Senna multiglandulosa
2014 Wynn Anderson
Senna multiglandulosa
2011 Neal Kramer

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 Heather Brady DeQuincy

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

CARYOPHYLLACEAE

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

Silene laciniata ssp. laciniata    Cardinal catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. laciniata
2020 David Greenberger
Silene laciniata ssp. laciniata
2023 Ron Vanderhoff
Silene laciniata ssp. laciniata
2023 Ron Vanderhoff

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

ASTERACEAE

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

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

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

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2020 Mary Conway
Sisyrinchium bellum
2024 Ron Vanderhoff
Sisyrinchium bellum
2019 Stacie Wolny

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
2006 Steve Matson
Solanum douglasii
2006 Steve Matson
Solanum douglasii
2006 Steve Matson

Solanum nigrum    Black nightshade
non-native
Annual herb

SOLANACEAE

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

non-native
Annual herb

SOLANACEAE

Solanum physalifolium var. nitidibaccatum
2011 Toni Corelli
Solanum physalifolium var. nitidibaccatum
2011 Toni Corelli
Solanum physalifolium var. nitidibaccatum
2011 Toni Corelli

Solanum umbelliferum var. xanti    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum var. xanti
2014 Steve Matson
Solanum umbelliferum var. xanti
2014 Steve Matson
Solanum umbelliferum var. xanti
2014 Steve Matson

Solidago confinis    Southern goldenrod
native
Perennial herb

ASTERACEAE

Solidago confinis
2022 Ryan O'Dell
Solidago confinis
2003 Christopher L. Christie
Solidago confinis
2014 Neal Kramer

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

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

ASTERACEAE

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

Sparganium eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

Sparganium eurycarpum
2020 Ron Vanderhoff
Sparganium eurycarpum
2020 Ron Vanderhoff
Sparganium eurycarpum
2020 Ron Vanderhoff

Sparganium eurycarpum var. eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

Sparganium eurycarpum var. eurycarpum
2020 Ron Vanderhoff
Sparganium eurycarpum var. eurycarpum
2020 Ron Vanderhoff
Sparganium eurycarpum var. eurycarpum
2020 Ron Vanderhoff

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

CARYOPHYLLACEAE

Spergularia macrotheca var. macrotheca
2008 Steve Matson

Spergularia marina    Salt marsh sand spurry
native
Annual herb

CARYOPHYLLACEAE

Spergularia marina
2023 Mike Russler
Spergularia marina
2021 R.A. Chasey
Spergularia marina
2021 Ron Vanderhoff

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

Spergularia villosa    Hairy sand spurrey,  Hairy sandspurry,  Villous sand spurry
non-native
Perennial herb

CARYOPHYLLACEAE

Spergularia villosa
2021 Ron Vanderhoff
Spergularia villosa
2011 Toni Corelli
Spergularia villosa
2021 Ron Vanderhoff

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

LAMIACEAE

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

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

LAMIACEAE

Stachys pycnantha
2023 David Wolfson
Stachys pycnantha
2019 David Wolfson
Stachys pycnantha
2021 Dan Quinn

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stellaria pallida    Pale starwort
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria pallida
2022 Donald Burk
Stellaria pallida
2004 Keir Morse
Stellaria pallida
2004 Keir Morse

Stephanomeria elata    Annual mitra,  Santa barbara stephanomeria,  Santa barbara wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria elata
2019 David Greenberger
Stephanomeria elata
2018 Julian Geoghegan
Stephanomeria elata
2021 Helen Hancock

Stephanomeria exigua ssp. carotifera    White plume stephanomeria,  Whiteplume wirelettuce
native
Perennial herb

ASTERACEAE

Stephanomeria exigua ssp. carotifera
2018 Mary Conway
Stephanomeria exigua ssp. carotifera
2018 Mary Conway
Stephanomeria exigua ssp. carotifera
2018 Mary Conway

Stephanomeria virgata ssp. virgata    Rod wirelettuce,  Tall milk aster,  Virgate stephanomeria
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. virgata
2019 David Greenberger
Stephanomeria virgata ssp. virgata
1970 Martin Purdy
Stephanomeria virgata ssp. virgata
2018 Ron Vanderhoff

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 miliacea var. miliacea    Smilo grass
invasive non-native
Perennial grass

POACEAE

Stipa miliacea var. miliacea
2022 Donald Burk
Stipa miliacea var. miliacea
2009 Keir Morse
Stipa miliacea var. miliacea
2022 Donald Burk

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
2019 Michelle Karle
Stipa pulchra
2008 Zoya Akulova
Stipa pulchra
2019 Ron Vanderhoff

Suaeda californica    California seablite
rare native
Shrub

CHENOPODIACEAE

Suaeda californica
2022 Cynthia Powell
Suaeda californica
2020 R.A. Chasey
Suaeda californica
2020 R.A. Chasey

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Ron Vanderhoff
Symphoricarpos mollis
2020 Cara Wilcox
Symphoricarpos mollis
2019 Ron Vanderhoff

Symphyotrichum subspicatum    Douglas aster
native
Annual herb

ASTERACEAE

Symphyotrichum subspicatum
2021 David Wolfson
Symphyotrichum subspicatum
2021 David Wolfson
Symphyotrichum subspicatum
2016 Michelle Bosch

Tetragonia tetragonoides    New zealand spinach
non-native
Annual herb

AIZOACEAE

Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2023 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 depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
2021 Ron Vanderhoff
Trifolium depauperatum var. truncatum
2023 Steven Mills Glascock
Trifolium depauperatum var. truncatum
2021 Ron Vanderhoff

Trifolium fragiferum    Strawberry clover
non-native
Perennial herb

FABACEAE

Trifolium fragiferum
2020 Ron Vanderhoff
Trifolium fragiferum
2020 Ron Vanderhoff
Trifolium fragiferum
2022 Dana York

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

native
Perennial herb (aquatic)

JUNCAGINACEAE

Triglochin concinna var. concinna
2021 Ken-ichi Ueda
Triglochin concinna var. concinna
2021 Ken-ichi Ueda
Triglochin concinna var. concinna
2021 Ken-ichi Ueda

Triodanis biflora    Venus looking glass,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Triodanis biflora
2020 Ken Hickman
Triodanis biflora
2015 Hayley Ross
Triodanis biflora
2018 Ken Hickman

Triphysaria eriantha ssp. eriantha    Butter 'n' eggs,  Johnny tuck
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. eriantha
2005 Steve Matson
Triphysaria eriantha ssp. eriantha
2021 Steve Matson
Triphysaria eriantha ssp. eriantha
2008 Steve Matson

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

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

Turritis glabra
2021 David Wolfson
Turritis glabra
2021 Mike Russler
Turritis glabra
2020 Chico Hiking Association

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

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

LAURACEAE

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

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

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

URTICACEAE

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

Urtica urens    Annual stinging nettle,  Dwarf nettle
non-native
Annual herb

URTICACEAE

Urtica urens
2019 Gary McDonald
Urtica urens
2018 Ron Vanderhoff
Urtica urens
2018 Ron Vanderhoff

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
2017 Steve Matson
Vaccinium ovatum
2017 Steve Matson
Vaccinium ovatum
2017 Steve Matson

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida
2021 R.A. Chasey
Verbena lasiostachys var. scabrida
2023 Ron Vanderhoff
Verbena lasiostachys var. scabrida
2020 Ron Vanderhoff

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica anagallis-aquatica
2015 Steve Matson
Veronica anagallis-aquatica
2015 Steve Matson
Veronica anagallis-aquatica
2022 Bob Sweatt

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

FABACEAE

Vicia americana ssp. americana
2008 Steve Matson
Vicia americana ssp. americana
2008 Steve Matson
Vicia americana ssp. americana
2008 Steve Matson

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

FABACEAE

Vicia benghalensis
2019 Diane Etchison
Vicia benghalensis
2018 MCOSD EDRR
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. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
2020 Ken Lunders
Vicia sativa ssp. nigra
2020 Ron Vanderhoff
Vicia sativa ssp. nigra
2020 Ron Vanderhoff

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. villosa    Hairy vetch,  Winter vetch,  Wooly vetch
invasive non-native
Annual herb, Vine

FABACEAE

Vicia villosa ssp. villosa
2019 Ron Vanderhoff
Vicia villosa ssp. villosa
2022 Ron Vanderhoff
Vicia villosa ssp. villosa
2019 Ron Vanderhoff

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

APOCYNACEAE

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

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

VIOLACEAE

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

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

BLECHNACEAE

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium
2011 Steve Matson
Xanthium strumarium
2011 Steve Matson
Xanthium strumarium
2011 Steve Matson

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

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

Zostera marina    Eel grass,  Eelgrass,  Seawrack
native
Perennial herb

ZOSTERACEAE

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