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Criteria: native
Observed After '1920-01-01'
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464 PLANTS
FAMILY: AGAVACEAE
Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

FAMILY: AIZOACEAE
Sesuvium verrucosum    Verrucose seapurslane,  Western sea purslane
native
Perennial herb

AIZOACEAE

Sesuvium verrucosum
© 2019 Ron Vanderhoff
Sesuvium verrucosum
© 2020 R.A. Chasey
Sesuvium verrucosum
© 2018 Ron Vanderhoff

FAMILY: ALISMATACEAE
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

Sagittaria latifolia    Broad leaf arrowhead,  Broadleaf arrowhead,  Wappato
native
Perennial herb (aquatic)

ALISMATACEAE

Sagittaria latifolia
© 2005 Louis-M. Landry
Sagittaria latifolia
© 2007 George W. Hartwell
Sagittaria latifolia
© 2005 Louis-M. Landry

Sagittaria sanfordii    Sanford's arrowhead,  Valley arrowhead
rare native
Perennial herb (rhizomatous)

ALISMATACEAE

Sagittaria sanfordii
© 2020 Ron Vanderhoff
Sagittaria sanfordii
© 2020 Ron Vanderhoff
Sagittaria sanfordii
© 2020 Ron Vanderhoff

FAMILY: AMARANTHACEAE
Amaranthus blitoides    Mat amaranth,  Prostrate amaranth,  Prostrate pigweed
native
Annual herb

AMARANTHACEAE

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

Amaranthus palmeri    Carelessweed,  Palmer's amaranth
native
Annual herb

AMARANTHACEAE

Amaranthus palmeri
© 2020 Timothy Blank
Amaranthus palmeri
© 2018 Lynn Sosnoskie
Amaranthus palmeri
© 2018 Lynn Sosnoskie

Amaranthus powellii    Powell's amaranth
native
Annual herb

AMARANTHACEAE

Amaranthus powellii
© 2022 Donald Burk
Amaranthus powellii
© 2019 David popp
Amaranthus powellii
© 2015 Keir Morse

FAMILY: AMBLYSTEGIACEAE
native
Moss

AMBLYSTEGIACEAE

Amblystegium serpens
© 2023 Neil Uelman
Amblystegium serpens
© 2023 Neil Uelman
Amblystegium serpens
© 2023 Neil Uelman


native
Moss

AMBLYSTEGIACEAE

Leptodictyum riparium
© 2023 Neil Uelman
Leptodictyum riparium
© 2023 Neil Uelman
Leptodictyum riparium
© 2023 Neil Uelman

FAMILY: ANACARDIACEAE
Malosma laurina    Laurel sumac
native
Tree, Shrub

ANACARDIACEAE

Malosma laurina
© 2015 Steven M Norris
Malosma laurina
© 2018 susan Bashore
Malosma laurina
© 2024 Bonnie Nickel

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia
© 2020 David Greenberger
Rhus integrifolia
© 2019 Ron Vanderhoff
Rhus integrifolia
© 2024 Ron Vanderhoff

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

Rhus ovata
© 2020 Bryant Baker
Rhus ovata
© 2020 Bryant Baker
Rhus ovata
© 2019 Bryant Baker

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

FAMILY: APIACEAE
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

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

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

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

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

APIACEAE

Sanicula arguta
© 2006 Steve Matson
Sanicula arguta
© 2006 Steve Matson
Sanicula arguta
© 2006 Steve Matson

Tauschia arguta    Southern tauschia,  Southern umbrellawort
native
Perennial herb

APIACEAE

Tauschia arguta
© 2019 Matt Berger
Tauschia arguta
© 2020 Bryant Baker
Tauschia arguta
© 2019 Diane Etchison

FAMILY: APOCYNACEAE
Apocynum androsaemifolium    Bitter dogbane,  Spreading dogbane
native
Perennial herb

APOCYNACEAE

Apocynum androsaemifolium
© 2003 Steve Matson
Apocynum androsaemifolium
© 2003 Steve Matson
Apocynum androsaemifolium
© 2003 Steve Matson

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane,  Hemp Dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
© 2019 Ron Vanderhoff
Apocynum cannabinum
© 2015 Ron Vanderhoff
Apocynum cannabinum
© 2021 Mike Russler

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2014 Steve Matson

Funastrum cynanchoides    Fringed twinevine
native
Perennial herb

APOCYNACEAE

Funastrum cynanchoides
© 2010 Steve Matson
Funastrum cynanchoides
© 2017 Bonnie Nickel
Funastrum cynanchoides
© 2010 Steve Matson

FAMILY: ARACEAE
Lemna gibba    Duckweed,  Gibbous duckweed,  Swollen duckweed
native
Perennial herb

ARACEAE

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

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

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

Lemna valdiviana    Valdivia duckweed
native
Perennial herb

ARACEAE

Lemna valdiviana
© 2017 James Bailey
Lemna valdiviana
© 2021 John Rawlings
Lemna valdiviana
© 2021 John Rawlings

FAMILY: ARALIACEAE
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

FAMILY: ARECACEAE
Washingtonia filifera    California fan palm,  Fan palm
native
Tree

ARECACEAE

Washingtonia filifera
© 2021 Ron Vanderhoff
Washingtonia filifera
© 2020 Brad Hardison
Washingtonia filifera
© 2013 Susan McDougall

FAMILY: ASTERACEAE
Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

Acourtia microcephala
© 2022 Diane Etchison
Acourtia microcephala
© 2019 Ron Vanderhoff
Acourtia microcephala
© 2021 Aaron Echols

Amblyopappus pusillus    Amblyopappus,  Dwarf coastweed,  Pineapple weed
native
Annual herb

ASTERACEAE

Amblyopappus pusillus
© 2006 Steve Matson
Amblyopappus pusillus
© 2006 Steve Matson
Amblyopappus pusillus
© 2006 Steve Matson

Ambrosia acanthicarpa    Annual bursage,  Annual burweed
native
Annual herb

ASTERACEAE

Ambrosia acanthicarpa
© 2009 Steve Matson
Ambrosia acanthicarpa
© 2009 Steve Matson
Ambrosia acanthicarpa
© 2013 Steve Matson

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 confertiflora    Weak leaved burweed,  Weakleaf burr ragweed
native
Perennial herb

ASTERACEAE

Ambrosia confertiflora
© 2020 Ron Vanderhoff
Ambrosia confertiflora
© 2020 Ron Vanderhoff
Ambrosia confertiflora
© 2018 Ron Vanderhoff

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

Ambrosia pumila    Ragweed,  San diego ambrosia,  San diego ragweed
rare native
Perennial herb (rhizomatous)

ASTERACEAE

Ambrosia pumila
© 2021 Aaron Echols
Ambrosia pumila
© 2024 Cynthia Powell
Ambrosia pumila
© 2018 Neil Uelman

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

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

native
Shrub

ASTERACEAE

Baccharis pilularis ssp. consanguinea
© 2009 Toni Corelli
Baccharis pilularis ssp. consanguinea
© 2022 John Doyen
Baccharis pilularis ssp. consanguinea
© 2018 Ron Vanderhoff

native
Shrub

ASTERACEAE

Baccharis salicifolia ssp. salicifolia
© 2022 Ron Vanderhoff
Baccharis salicifolia ssp. salicifolia
© 2023 Ron Vanderhoff
Baccharis salicifolia ssp. salicifolia
© 2024 Holly Gray

Baccharis salicina    Willow baccharis
native
Shrub

ASTERACEAE

Baccharis salicina
© 2020 Ron Vanderhoff
Baccharis salicina
© 2020 Ron Vanderhoff
Baccharis salicina
© 2022 Ron Vanderhoff

Bahiopsis laciniata    San Diego County viguiera
native
Shrub

ASTERACEAE

Bahiopsis laciniata
© 2018 Ron Vanderhoff
Bahiopsis laciniata
© 2021 Ron Vanderhoff
Bahiopsis laciniata
© 2018 Ron Vanderhoff

Bidens frondosa    Devil's beggartick,  Sticktight
native
Annual herb

ASTERACEAE

Bidens frondosa
© 2020 R.A. Chasey
Bidens frondosa
© 2020 Bob Sweatt
Bidens frondosa
© 2020 R.A. Chasey

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

ASTERACEAE

Brickellia californica
© 2020 Diane Etchison
Brickellia californica
© 2018 Diane Etchison
Brickellia californica
© 2022 Ron Vanderhoff

Centromadia parryi ssp. australis    Southern tarplant
rare native
Annual herb

ASTERACEAE

Centromadia parryi ssp. australis
© 2019 Ron Vanderhoff
Centromadia parryi ssp. australis
© 2018 Ron Vanderhoff
Centromadia parryi ssp. australis
© 2023 Elizabeth Lockhart

Centromadia parryi ssp. parryi    Pappose tarplant
rare native
Annual herb

ASTERACEAE

Centromadia parryi ssp. parryi
© 2009 Toni Corelli
Centromadia parryi ssp. parryi
© 2009 Toni Corelli
Centromadia parryi ssp. parryi
© 2009 Toni Corelli

Chaenactis glabriuscula var. orcuttiana    Orcutt's yellow chaenactis,  Orcutt's yellow pincushion
rare native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. orcuttiana
© 2024 Ron Vanderhoff
Chaenactis glabriuscula var. orcuttiana
© 2024 Ron Vanderhoff
Chaenactis glabriuscula var. orcuttiana
© 2024 Ron Vanderhoff

Chloracantha spinosa    Spiny chloracantha
native
Perennial herb

ASTERACEAE

Chloracantha spinosa
© 2022 Sandra Torres
Chloracantha spinosa
© 2014 Keir Morse
Chloracantha spinosa
© 2014 Keir Morse

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

Deinandra fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

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

Eclipta prostrata    False daisy
native
Annual herb

ASTERACEAE

Eclipta prostrata
© 2018 Ron Vanderhoff
Eclipta prostrata
© 2020 Ron Vanderhoff
Eclipta prostrata
© 2020 R.A. Chasey

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

ASTERACEAE

Encelia californica
© 2017 Steve Matson
Encelia californica
© 2017 Steve Matson
Encelia californica
© 2017 Steve Matson

Encelia farinosa    Brittlebush,  Goldenhills,  Incienso
native
Shrub

ASTERACEAE

Encelia farinosa
© 2020 Ron Vanderhoff
Encelia farinosa
© 2016 Steve Matson
Encelia farinosa
© 2022 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

Ericameria palmeri var. pachylepis    Broad scaled palmer's goldenbush,  Palmer's rabbitbrush
native
Shrub

ASTERACEAE

Ericameria palmeri var. pachylepis
© 2024 Ron Vanderhoff
Ericameria palmeri var. pachylepis
© 2021 Ron Vanderhoff
Ericameria palmeri var. pachylepis
© 2021 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 glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

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

Eriophyllum confertiflorum var. confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
© 2023 Ryan O'Dell
Eriophyllum confertiflorum var. confertiflorum
© 2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
© 2020 Ron Vanderhoff

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre
© 2019 Ron Vanderhoff
Gnaphalium palustre
© 2005 Steve Matson
Gnaphalium palustre
© 2019 Ron Vanderhoff

Grindelia camporum    Common gumplant,  Great valley gumweed,  Gum plant
native
Perennial herb

ASTERACEAE

Grindelia camporum
© 2023 R.A. Chasey
Grindelia camporum
© 2019 Ron Vanderhoff
Grindelia camporum
© 2019 Ron Vanderhoff

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

Gutierrezia californica    California matchweed,  Matchweed, snakeweed,  San joaquin snakeweed
native
Perennial herb, Shrub

ASTERACEAE

Gutierrezia californica
© 2021 Helen Hancock
Gutierrezia californica
© 2018 Ron Vanderhoff
Gutierrezia californica
© 2021 Mike Russler

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

Helianthus annuus    Common sunflower,  Hairy leaved sunflower,  Sunflower
native
Annual herb

ASTERACEAE

Helianthus annuus
© 2021 Mike Russler
Helianthus annuus
© 2019 Bob Case
Helianthus annuus
© 2024 Mel Letterman

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

Heterotheca subaxillaris    Camphorweed
native
Perennial herb

ASTERACEAE

Heterotheca subaxillaris
© 2015 Richard Spellenberg
Heterotheca subaxillaris
© © 2014 Richard Spellenberg
Heterotheca subaxillaris
© 2014 Richard Spellenberg

Isocoma acradenia var. bracteosa    Bracted alkali goldenbush
native
Shrub

ASTERACEAE

Isocoma acradenia var. bracteosa
© 2021 Mike Russler
Isocoma acradenia var. bracteosa
© 2021 Mike Russler
Isocoma acradenia var. bracteosa
© 2021 Mike Russler

Isocoma menziesii var. decumbens    Decumbent goldenbush,  Menzies' goldenbush
rare native
Shrub

ASTERACEAE

Isocoma menziesii var. decumbens
© 2017 Neil Uelman
Isocoma menziesii var. decumbens
© 2017 Neil Uelman
Isocoma menziesii var. decumbens
© 2017 Neil Uelman

Isocoma menziesii var. menziesii    Menzies' goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. menziesii
© 2019 Ron Vanderhoff
Isocoma menziesii var. menziesii
© 2019 Diane Etchison
Isocoma menziesii var. menziesii
© 2019 Diane Etchison

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

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

Laennecia coulteri    Coulter's horseweed
native
Annual herb

ASTERACEAE

Laennecia coulteri
© 2012 Steve Matson
Laennecia coulteri
© 2012 Steve Matson
Laennecia coulteri
© 2012 Steve Matson

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

ASTERACEAE

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

Lasthenia coronaria    Royal goldfields
native
Annual herb

ASTERACEAE

Lasthenia coronaria
© 2021 Aaron Echols
Lasthenia coronaria
© 2021 Aaron Echols
Lasthenia coronaria
© 2021 Aaron Echols

Lasthenia glabrata ssp. coulteri    Coulter goldfields,  Coulter's goldfields,  Goldfields
rare native
Annual herb

ASTERACEAE

Lasthenia glabrata ssp. coulteri
© 2023 Ron Vanderhoff
Lasthenia glabrata ssp. coulteri
© 2023 Ron Vanderhoff
Lasthenia glabrata ssp. coulteri
© 2023 Ron Vanderhoff

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

Leptosyne gigantea    Giant coreopsis
native
Shrub

ASTERACEAE

Leptosyne gigantea
© 2020 David Greenberger
Leptosyne gigantea
© 2017 David Wolfson
Leptosyne gigantea
© 2024 Ron Vanderhoff

Leptosyne maritima    Sea dahlia
rare native
Perennial herb

ASTERACEAE

Leptosyne maritima
© 2023 Scott Henry
Leptosyne maritima
© 2019 Ron Vanderhoff
Leptosyne maritima
© 2019 Ron Vanderhoff

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Malacothrix saxatilis var. saxatilis    Cliff aster,  Cliff desertdandelion
rare native
Perennial herb

ASTERACEAE

Malacothrix saxatilis var. saxatilis
© 2021 Ron Vanderhoff
Malacothrix saxatilis var. saxatilis
© 2021 Ron Vanderhoff
Malacothrix saxatilis var. saxatilis
© 2021 Ron Vanderhoff

Malacothrix saxatilis var. tenuifolia    Cliff desertdandelion,  Short leaved cliff aster
native
Perennial herb

ASTERACEAE

Malacothrix saxatilis var. tenuifolia
© 2021 Ron Vanderhoff
Malacothrix saxatilis var. tenuifolia
© 2021 Ron Vanderhoff
Malacothrix saxatilis var. tenuifolia
© 2019 Diane Etchison

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

Matricaria occidentalis    Valley mayweed
native
Annual herb

ASTERACEAE

Matricaria occidentalis
© 2016 Steve Matson
Matricaria occidentalis
© 2016 Steve Matson
Matricaria occidentalis
© 2016 Steve Matson

Pentachaeta aurea    Golden chaetopappa,  Golden rayed pentachaeta
native
Annual herb

ASTERACEAE

Pentachaeta aurea
© 2022 Ron Vanderhoff
Pentachaeta aurea
© 2022 Ron Vanderhoff
Pentachaeta aurea
© 2022 Ron Vanderhoff

Pluchea odorata var. odorata    Salt marsh fleabane
native
Annual, Perennial herb

ASTERACEAE

Pluchea odorata var. odorata
© 2011 Keir Morse
Pluchea odorata var. odorata
© 2011 Keir Morse
Pluchea odorata var. odorata
© 2019 Ron Vanderhoff

Pluchea sericea    Arrow wed,  Arrow weed,  Arrowweed
native
Shrub

ASTERACEAE

Pluchea sericea
© 2020 Susan McDougall
Pluchea sericea
© 2021 Richard Spjut
Pluchea sericea
© 2018 Christopher Hauser

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 microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

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

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

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

Psilocarphus brevissimus    Short woollyheads,  Woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus brevissimus
© 2018 David Greenberger
Psilocarphus brevissimus
© 2020 R.A. Chasey
Psilocarphus brevissimus
© 2022 Bob Sweatt

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
© 2023 Robert Steers
Rafinesquia californica
© 2021 Ron Vanderhoff
Rafinesquia californica
© 2017 Steve Matson

Stephanomeria diegensis    San diego milk aster,  Wreathplant
native
Annual, Perennial herb

ASTERACEAE

Stephanomeria diegensis
© 2024 Bonnie Nickel
Stephanomeria diegensis
© 2021 Ron Vanderhoff
Stephanomeria diegensis
© 2023 Suzanne Hooker

Symphyotrichum subulatum    Eastern annual saltmarsh aster
native
Annual herb

ASTERACEAE

Symphyotrichum subulatum
© 2019 Ron Vanderhoff
Symphyotrichum subulatum
© 2018 Ron Vanderhoff
Symphyotrichum subulatum
© 2018 Ron Vanderhoff

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

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

FAMILY: AYTONIACEAE
Asterella californica    California perianth liverwort
native
Liverwort

AYTONIACEAE

Asterella californica
© 2024 Julia Markey
Asterella californica
© 2023 Mike Russler
Asterella californica
© 2019 Ron Vanderhoff

native
Liverwort

AYTONIACEAE

Cryptomitrium tenerum
© 2022 John Game
Cryptomitrium tenerum
© 2024 Jordan Collins
Cryptomitrium tenerum
© 2017 Neil Uelman

FAMILY: AZOLLACEAE
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

FAMILY: BATACEAE
Batis maritima    Saltwort,  Turtleweed
native
Shrub

BATACEAE

Batis maritima
© 2012 Ron Vanderhoff
Batis maritima
© 2020 Sandy Leatherman
Batis maritima
© 2020 Sandy Leatherman

FAMILY: BERBERIDACEAE
Berberis aquifolium var. aquifolium    Oregon grape,  Piper's barberry
native
Shrub

BERBERIDACEAE

Berberis aquifolium var. aquifolium
© 2017 Steve Matson
Berberis aquifolium var. aquifolium
© 2017 Steve Matson
Berberis aquifolium var. aquifolium
© 2017 Steve Matson

Berberis nevinii    Nevin's barberry
rare native
Shrub

BERBERIDACEAE

Berberis nevinii
© 2021 Mary Wloch
Berberis nevinii
© 2022 Aaron Echols
Berberis nevinii
© 2021 Mary Wloch

FAMILY: BETULACEAE
Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia
© 2005 BOB CASE
Alnus rhombifolia
© 2014 Garth Wadsworth
Alnus rhombifolia
© 2023 Ron Vanderhoff

FAMILY: BIGNONIACEAE
Chilopsis linearis    Desert willow
native
Shrub

BIGNONIACEAE

Chilopsis linearis
© 2005 Deborah Dozier
Chilopsis linearis
© 2019 David Greenberger
Chilopsis linearis
© 2020 Deborah Dozier

FAMILY: BLECHNACEAE
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

FAMILY: BORAGINACEAE
Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

Amsinckia menziesii    Menzies' fiddleneck,  Small flowered fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii
© 2020 Ron Vanderhoff
Amsinckia menziesii
© 2018 Gary McDonald
Amsinckia menziesii
© 2018 Gary McDonald

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

BORAGINACEAE

Amsinckia spectabilis
© 2017 David Greenberger
Amsinckia spectabilis
© 2023 Toni Corelli
Amsinckia spectabilis
© 2020 Ken Hickman

Amsinckia tessellata    Bristly fiddleneck,  Checker fiddleneck,  Devil's lettuce
native
Annual herb

BORAGINACEAE

Amsinckia tessellata
© 2022 Steve Matson
Amsinckia tessellata
© 2022 Steve Matson
Amsinckia tessellata
© 2022 Steve Matson

Cryptantha clevelandii var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii var. florosa
© 2020 David Greenberger
Cryptantha clevelandii var. florosa
© 2024 Ron Vanderhoff
Cryptantha clevelandii var. florosa
© 2023 Ken-ichi Ueda

Cryptantha hispidissima    Bristly cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha hispidissima
© 2020 Ryan Carle
Cryptantha hispidissima
© 2020 Emma Shelton
Cryptantha hispidissima
© 2021 John Rawlings

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 muricata    Pointed cryptantha,  Prickly cryptantha,  Prickly popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha muricata
© 2021 R.A. Chasey
Cryptantha muricata
© 2019 Marisa Persaud
Cryptantha muricata
© 2019 Marisa Persaud

FAMILY: BRACHYTHECIACEAE
native
Moss

BRACHYTHECIACEAE

Homalothecium arenarium
© 2017 Amanda Heinrich
Homalothecium arenarium
© 2021 Diana Wahl
Homalothecium arenarium
© 2016 Richard Spjut

native
Moss

BRACHYTHECIACEAE

Homalothecium nuttallii
© 2023 Neil Uelman
Homalothecium nuttallii
© 2023 Neil Uelman
Homalothecium nuttallii
© 2023 Neil Uelman


FAMILY: BRASSICACEAE
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

Cardamine pensylvanica    Pennsylvania bittercress
native
Perennial herb

BRASSICACEAE

Cardamine pensylvanica
© 2015 Mary Merriman
Cardamine pensylvanica
© 2008 Louis-M. Landry
Cardamine pensylvanica
© 2007 Louis-M. Landry

Caulanthus lasiophyllus    California mustard
native
Annual herb

BRASSICACEAE

Caulanthus lasiophyllus
© 2022 Steve Matson
Caulanthus lasiophyllus
© 2023 Steve Matson
Caulanthus lasiophyllus
© 2010 Steve Matson

Descurainia pinnata ssp. halictorum    Alkali western tansy mustard,  Western tansymustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata ssp. halictorum
© 2020 Debra Valov
Descurainia pinnata ssp. halictorum
© 2020 Debra Valov
Descurainia pinnata ssp. halictorum
© 2020 Debra Valov

Draba cuneifolia    Wedge leaved draba,  Wedgeleaf draba
native
Annual herb

BRASSICACEAE

Draba cuneifolia
© 2006 Steve Matson
Draba cuneifolia
© 2008 Steve Matson
Draba cuneifolia
© 2006 Steve Matson

Erysimum suffrutescens    Suffrutescent wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum suffrutescens
© 2020 David Greenberger
Erysimum suffrutescens
© 2020 David Greenberger
Erysimum suffrutescens
© 2024 Mike Russler

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

Lepidium dictyotum
© 2023 Catherine Chang
Lepidium dictyotum
© 2023 Catherine Chang
Lepidium dictyotum
© 2022 Dianne Lake

Lepidium flavum    Yellow pepper grass,  Yellow pepperweed
native
Annual herb

BRASSICACEAE

Lepidium flavum
© 2022 Steve Matson
Lepidium flavum
© 2005 Steve Matson
Lepidium flavum
© 2022 Steve Matson

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

Lepidium virginicum    Virginia pepperweed,  Wild pepper grass
native
Annual herb

BRASSICACEAE

Lepidium virginicum
© 2020 David Greenberger
Lepidium virginicum
© 2020 Aaron Echols
Lepidium virginicum
© 2021 Jacob Smith

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson

FAMILY: BRYACEAE
Bryum argenteum    Silvery thread moss
native
Moss

BRYACEAE

Bryum argenteum
© 2019 Ron Vanderhoff
Bryum argenteum
© 2019 Ron Vanderhoff
Bryum argenteum
© 2019 Ron Vanderhoff

FAMILY: CACTACEAE
Cylindropuntia prolifera    Coastal cholla
native
Shrub (stem succulent)

CACTACEAE

Cylindropuntia prolifera
© 2012 Keir Morse
Cylindropuntia prolifera
© 2019 Dave Beller
Cylindropuntia prolifera
© 2017 B.J. Dion

Opuntia basilaris    Beavertail cactus,  Beavertail pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia basilaris
© 2020 Lynn Sweet
Opuntia basilaris
© 2016 Anna Wolfe
Opuntia basilaris
© 2019 Marcia M

Opuntia littoralis    Coast prickly pear,  Coastal pricklypear,  Western prickly pear
native
Shrub (stem succulent)

CACTACEAE

Opuntia littoralis
© 2019 Diane Etchison
Opuntia littoralis
© 2022 Ron Vanderhoff
Opuntia littoralis
© 2024 Shelly Marshall

Opuntia oricola    Chaparral pricklypear,  Prickly pear
native
Shrub (stem succulent)

CACTACEAE

Opuntia oricola
© 2020 Ron Vanderhoff
Opuntia oricola
© 2018 Ron Vanderhoff
Opuntia oricola
© 2007 Neil Uelman

FAMILY: CAMPANULACEAE
Lobelia cardinalis    Cardinalflower
native
Perennial herb

CAMPANULACEAE

Lobelia cardinalis
© 2020 Fred Melgert / Carla Hoegen
Lobelia cardinalis
© 2012 John Rusk
Lobelia cardinalis
© 2020 Fred Melgert / Carla Hoegen

Nemacladus ramosissimus    Nuttall's nemacladus,  Smallflower threadplant
native
Annual herb

CAMPANULACEAE

Nemacladus ramosissimus
© 2017 Fred Melgert / Carla Hoegen
Nemacladus ramosissimus
© 2019 Ron Vanderhoff
Nemacladus ramosissimus
© 2017 James Bailey

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

FAMILY: CAPRIFOLIACEAE
Lonicera subspicata    Southern honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata
© 2022 David Strauch
Lonicera subspicata
© 2017 Diane Etchison
Lonicera subspicata
© 2018 David Greenberger

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

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

FAMILY: CARYOPHYLLACEAE
Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

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

Sagina saginoides    Alpine pearlwort,  Arctic pearlwort,  Common pearlwort
native
Perennial herb

CARYOPHYLLACEAE

Sagina saginoides
© 2023 R.A. Chasey
Sagina saginoides
© 2022 Bob Sweatt
Sagina saginoides
© 2022 Bob Sweatt

Silene antirrhina    Sleepy catch fly,  Sleepy catchfly,  Sleepy silene
native
Annual herb

CARYOPHYLLACEAE

Silene antirrhina
© 2019 Ken Hickman
Silene antirrhina
© 2019 Ken Hickman
Silene antirrhina
© 2023 Matt Berger

Spergularia macrotheca var. leucantha    Sticky sandspurry,  White sticky sand spurry
native
Perennial herb

CARYOPHYLLACEAE

Spergularia macrotheca var. leucantha
© 2016 BOB CASE
Spergularia macrotheca var. leucantha
© 2016 BOB CASE
Spergularia macrotheca var. leucantha
© 2011 Neal Kramer

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

CARYOPHYLLACEAE

Spergularia macrotheca var. macrotheca
© 2008 Steve Matson
Spergularia macrotheca var. macrotheca
© 2017 B.J. Dion
Spergularia macrotheca var. macrotheca
© 2020 David Wolfson

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

FAMILY: CEPHALOZIELLACEAE
native
Liverwort

CEPHALOZIELLACEAE

Cephaloziella hampeana
© 2016 Neil Uelman
Cephaloziella hampeana
© 2016 Neil Uelman
Cephaloziella hampeana
© 2016 Neil Uelman

FAMILY: CHENOPODIACEAE
Aphanisma blitoides    Aphanisma
rare native
Annual herb

CHENOPODIACEAE

Aphanisma blitoides
© 2019 Ron Vanderhoff
Aphanisma blitoides
© 2019 Diane Etchison
Aphanisma blitoides
© 2023 Stevie Steele

Atriplex canescens var. canescens    Fourwing saltbush
native
Shrub

CHENOPODIACEAE

Atriplex canescens var. canescens
© 2017 Ron Vanderhoff
Atriplex canescens var. canescens
© 2020 Ron Vanderhoff
Atriplex canescens var. canescens
© 2019 Kevin Woolen

Atriplex lentiformis    Big saltbush
native
Shrub

CHENOPODIACEAE

Atriplex lentiformis
© 2018 Rachelle Gray
Atriplex lentiformis
© 2017 Ron Vanderhoff
Atriplex lentiformis
© 2021 Richard Spjut

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 pacifica    Pacific saltbrush,  South coast saltbush,  South coast saltscale
rare native
Annual herb

CHENOPODIACEAE

Atriplex pacifica
© 2017 Keir Morse
Atriplex pacifica
© 2017 Keir Morse
Atriplex pacifica
© 2017 Keir Morse

Atriplex serenana var. serenana    Bractscale,  Saltscale
native
Annual herb

CHENOPODIACEAE

Atriplex serenana var. serenana
© 2019 Ron Vanderhoff
Atriplex serenana var. serenana
© 2019 Ron Vanderhoff
Atriplex serenana var. serenana
© 2019 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

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 berlandieri var. zschackei    Pit seed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri var. zschackei
© 2018 Gerald Carr
Chenopodium berlandieri var. zschackei
© 2018 Gerald Carr
Chenopodium berlandieri var. zschackei
© 2018 Gerald Carr

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

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

Monolepis nuttalliana    Nuttall's poverty weed,  Nuttall's povertyweed
native
Annual herb

CHENOPODIACEAE

Monolepis nuttalliana
© 2020 Matt Berger
Monolepis nuttalliana
© 2020 Matt Berger
Monolepis nuttalliana
© 2017 Michelle Tollett

native
Shrub

CHENOPODIACEAE

Neokochia americana
© 2015 Steve Matson
Neokochia americana
© 2015 Steve Matson
Neokochia americana
© 2015 Steve Matson

Salicornia depressa    Virginia glasswort
native
Annual herb

CHENOPODIACEAE

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

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

Suaeda calceoliformis    Horned sea blite,  Pursh seepweed
native
Annual herb

CHENOPODIACEAE

Suaeda calceoliformis
© 2023 R.A. Chasey
Suaeda calceoliformis
© 2023 R.A. Chasey
Suaeda calceoliformis
© 2003 George W. Hartwell

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

Suaeda nigra    Bush seepweed
native
Perennial herb

CHENOPODIACEAE

Suaeda nigra
© 2017 Steve Matson
Suaeda nigra
© 2016 Steve Matson
Suaeda nigra
© 2017 Steve Matson

Suaeda taxifolia    Woolly seablite
rare native
Shrub

CHENOPODIACEAE

Suaeda taxifolia
© 2020 Ron Vanderhoff
Suaeda taxifolia
© 2018 Ron Vanderhoff
Suaeda taxifolia
© 2020 Ron Vanderhoff

FAMILY: CLEOMACEAE
native
Shrub

CLEOMACEAE

Cleomella arborea var. angustata
© 2016 Steve Matson
Cleomella arborea var. angustata
© 2016 Steve Matson
Cleomella arborea var. angustata
© 2016 James Gonsman

native
Shrub

CLEOMACEAE

Cleomella arborea var. arborea
© 2023 Ron Vanderhoff
Cleomella arborea var. arborea
© 2023 Ron Vanderhoff
Cleomella arborea var. arborea
© 2024 Ron Vanderhoff

FAMILY: CONVOLVULACEAE
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 macrostegia ssp. intermedia    Island false bindweed,  South coast morning glory
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. intermedia
© 2020 Diane Etchison
Calystegia macrostegia ssp. intermedia
© 2022 R.A. Chasey
Calystegia macrostegia ssp. intermedia
© 2011 Wynn Anderson

Calystegia occidentalis ssp. occidentalis    Chaparral false bindweed,  Modoc morning glory,  Western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia occidentalis ssp. occidentalis
© 2016 Steve Matson
Calystegia occidentalis ssp. occidentalis
© 2016 Steve Matson
Calystegia occidentalis ssp. occidentalis
© 2019 Chico Hiking Association

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

Cressa truxillensis    Alkali weed,  Spreading alkaliweed
native
Perennial herb

CONVOLVULACEAE

Cressa truxillensis
© 2022 John Doyen
Cressa truxillensis
© 2022 John Doyen
Cressa truxillensis
© 2018 Ron Vanderhoff

Cuscuta californica    California dodder,  Chaparral dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica
© 2019 Ron Vanderhoff
Cuscuta californica
© 2018 David popp
Cuscuta californica
© 2019 stephen rosenthal

Cuscuta campestris    Field dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta campestris
© 2017 Ron Vanderhoff
Cuscuta campestris
© 2017 Ron Vanderhoff
Cuscuta campestris
© 2022 Brad Cook

Cuscuta pentagona    Five angled dodder,  Fiveangled dodder,  Western field dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta pentagona
© © 2016 Keir Morse
Cuscuta pentagona
© 2016 Keir Morse
Cuscuta pentagona
© 2016 Keir Morse

Cuscuta subinclusa    Canyon dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa
© 2018 Ron Vanderhoff
Cuscuta subinclusa
© 2020 Ron Vanderhoff
Cuscuta subinclusa
© 2018 Ron Vanderhoff

Dichondra occidentalis    Western dichondra,  Western ponysfoot
rare native
Perennial herb (rhizomatous)

CONVOLVULACEAE

Dichondra occidentalis
© 2023 James Bailey
Dichondra occidentalis
© 2023 James Bailey
Dichondra occidentalis
© 2023 Ron Vanderhoff

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

CRASSULACEAE

Crassula aquatica
© 2019 Ron Vanderhoff
Crassula aquatica
© 2022 Ken-ichi Ueda
Crassula aquatica
© 2022 Catherine Chang

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

Dudleya blochmaniae    Blochman's dudleya,  Blochman's liveforever
native
Perennial herb

CRASSULACEAE

Dudleya blochmaniae
© Geoff Burleigh
Dudleya blochmaniae
© Geoff Burleigh
Dudleya blochmaniae
© 2023 Mike Russler

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

Dudleya virens ssp. insularis    Bright green dudleya
rare native
Perennial herb

CRASSULACEAE

Dudleya virens ssp. insularis
© 2018 Ron Vanderhoff
Dudleya virens ssp. insularis
© 2017 Neil Uelman
Dudleya virens ssp. insularis
© 2024 Cynthia Powell

FAMILY: CROSSOSOMATACEAE
Crossosoma californicum    California rockflower,  Catalina crossosoma
rare native
Shrub

CROSSOSOMATACEAE

Crossosoma californicum
© 2019 Susan McDougall
Crossosoma californicum
© 2019 Susan McDougall
Crossosoma californicum
© 2024 Cynthia Powell

FAMILY: CUCURBITACEAE
Cucurbita foetidissima    Calabazilla,  Missouri gourd,  Mock orange
native
Perennial herb, Vine

CUCURBITACEAE

Cucurbita foetidissima
© 2014 Steve Matson
Cucurbita foetidissima
© 2014 Steve Matson
Cucurbita foetidissima
© 2021 Ron Vanderhoff

Cucurbita palmata    Coyote gourd,  Coyote melon
native
Annual, Perennial herb

CUCURBITACEAE

Cucurbita palmata
© 2022 Steve Matson
Cucurbita palmata
© 2022 Steve Matson
Cucurbita palmata
© 2022 Steve Matson

Marah macrocarpa    Chilicothe
native
Perennial herb, Vine

CUCURBITACEAE

Marah macrocarpa
© 2020 David Greenberger
Marah macrocarpa
© 2022 David Strauch
Marah macrocarpa
© 2021 david berman

FAMILY: CYPERACEAE
native
Perennial grasslike herb

CYPERACEAE

Bolboschoenus maritimus ssp. paludosus
© 2024 R.A. Chasey
Bolboschoenus maritimus ssp. paludosus
© 2024 R.A. Chasey
Bolboschoenus maritimus ssp. paludosus
© 2020 Alice Cummings

Cyperus acuminatus    Short pointed cyperus,  Tapertip flatsedge
native
Annual grasslike herb

CYPERACEAE

Cyperus acuminatus
© 2003 Steve Matson
Cyperus acuminatus
© 2003 Steve Matson
Cyperus acuminatus
© 2003 Steve Matson

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 esculentus    Chufa flatsedge,  Nut grass,  Yellow nutgrass
native
Perennial grasslike herb

CYPERACEAE

Cyperus esculentus
© 2020 Ron Vanderhoff
Cyperus esculentus
© 2015 Gerald Carr
Cyperus esculentus
© 2019 Ron Vanderhoff

Cyperus niger    Black cyperus,  Black flatsedge,  Brown cyperus
native
Perennial grasslike herb

CYPERACEAE

Cyperus niger
© 2020 Ron Vanderhoff
Cyperus niger
© 2021 Ron Vanderhoff
Cyperus niger
© 2021 Ron Vanderhoff

Cyperus odoratus    Fragrant flatsedge
native
Annual grasslike herb

CYPERACEAE

Cyperus odoratus
© 2018 Ron Vanderhoff
Cyperus odoratus
© 2020 Jennifer Mo
Cyperus odoratus
© 2021 Ron Vanderhoff

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

CYPERACEAE

Eleocharis acicularis
© 2021 John Rawlings
Eleocharis acicularis
© 2021 Ron Vanderhoff
Eleocharis acicularis
© 2021 Ron Vanderhoff

Eleocharis bella    Beautiful spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis bella
© 2023 R.A. Chasey
Eleocharis bella
© 2023 R.A. Chasey
Eleocharis bella
© 2023 R.A. Chasey

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 palustris    Common spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis palustris
© 2011 Gerald Carr
Eleocharis palustris
© 2011 Gerald Carr
Eleocharis palustris
© 2020 Ron Vanderhoff

Eleocharis parishii    Parish's spike rush,  Parish's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis parishii
© 2014 Steve Matson
Eleocharis parishii
© 2014 Steve Matson
Eleocharis parishii
© 2018 Rachelle Gray

Eleocharis parvula    Dwarf spikerush,  Small spikerush
rare native
Perennial grasslike herb

CYPERACEAE

Eleocharis parvula
© 2020 Ron Vanderhoff
Eleocharis parvula
© 2020 Ron Vanderhoff
Eleocharis parvula
© 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

FAMILY: DICRANACEAE
Dicranoweisia cirrata    Dicranoweisia moss
native
Moss

DICRANACEAE

Dicranoweisia cirrata
© 2023 Diana Wahl
Dicranoweisia cirrata
© 2023 Diana Wahl
Dicranoweisia cirrata
© 2021 Diana Wahl

FAMILY: DRYOPTERIDACEAE
Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

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

FAMILY: ELATINACEAE
Elatine californica    California waterwort
native
Annual, Perennial herb

ELATINACEAE

Elatine californica
© 2003 Keir Morse
Elatine californica
© 2024 R.A. Chasey
Elatine californica
© Mary Ann Hannon

Elatine rubella    Southwestern waterwort
native
Annual herb

ELATINACEAE

Elatine rubella
© 2008 Steve Matson
Elatine rubella
© 2008 Steve Matson
Elatine rubella
© 2008 Steve Matson

FAMILY: EQUISETACEAE
Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
© 2013 Michael Mitchell
Equisetum hyemale ssp. affine
© 2011 Michael Mitchell
Equisetum hyemale ssp. affine
© 2023 Ron Vanderhoff

Equisetum laevigatum    Horsetail,  Smooth horsetail,  Smooth scouring rush
native
Fern

EQUISETACEAE

Equisetum laevigatum
© 2020 Ron Vanderhoff
Equisetum laevigatum
© 2021 Richard Spjut
Equisetum laevigatum
© 2020 Ron Vanderhoff

FAMILY: EUPHORBIACEAE
Croton californicus    California croton,  Desert croton
native
Perennial herb

EUPHORBIACEAE

Croton californicus
© 2008 Steve Matson
Croton californicus
© 2008 Steve Matson
Croton californicus
© 2017 Steve Matson

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setiger
© 2011 Steve Matson
Croton setiger
© 2011 Steve Matson
Croton setiger
© 2014 Richard Chasey

Euphorbia albomarginata    Rattlesnake sandmat
native
Perennial herb

EUPHORBIACEAE

Euphorbia albomarginata
© 2019 Diane Etchison
Euphorbia albomarginata
© 2019 Cynthia Powell
Euphorbia albomarginata
© 2019 Douglas Gordon-Blackwood

Euphorbia crenulata    Chinese caps,  Chinesecaps
native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia crenulata
© 2008 Steve Matson
Euphorbia crenulata
© 2008 Steve Matson
Euphorbia crenulata
© 2008 Steve Matson

Euphorbia polycarpa    Smallseed sandmat
native
Perennial herb

EUPHORBIACEAE

Euphorbia polycarpa
© 2018 Ron Vanderhoff
Euphorbia polycarpa
© 2010 Steve Matson
Euphorbia polycarpa
© 2021 Les Vion

native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia serpillifolia ssp. serpillifolia
© 2005 Steve Matson
Euphorbia serpillifolia ssp. serpillifolia
© 2005 Steve Matson
Euphorbia serpillifolia ssp. serpillifolia
© 2022 Steve Matson

FAMILY: FABACEAE
Acmispon americanus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus
© 2019 Rachelle Gray
Acmispon americanus
© 2013 Arcangelo Wessells
Acmispon americanus
© 2017 David Wolfson

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
Annual herb

FABACEAE

Acmispon maritimus var. maritimus
© 2020 Ron Vanderhoff
Acmispon maritimus var. maritimus
© 2023 Ron Vanderhoff
Acmispon maritimus var. maritimus
© 2020 Ron Vanderhoff

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

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

Astragalus asymmetricus    San joaquin milk vetch,  San joaquin milkvetch
native
Perennial herb

FABACEAE

Astragalus asymmetricus
© 2020 Susan McDougall
Astragalus asymmetricus
© 2020 Susan McDougall
Astragalus asymmetricus
© 2023 Catherine Chang

Astragalus trichopodus var. lonchus    Santa barbara milk vetch,  Santa barbara milkvetch,  Southern california milkvetch
native
Perennial herb

FABACEAE

Astragalus trichopodus var. lonchus
© 2020 Ron Vanderhoff
Astragalus trichopodus var. lonchus
© 2022 Ron Vanderhoff
Astragalus trichopodus var. lonchus
© 2021 Ron Vanderhoff

Cercis occidentalis    Redbud,  Western redbud
native
Tree, Shrub

FABACEAE

Cercis occidentalis
© 2023 Cynthia Powell
Cercis occidentalis
© 2020 Julie A. Kierstead
Cercis occidentalis
© 2023 Cynthia Powell

Hoffmannseggia glauca    Hoffmanseggia,  Hog potato,  Indian rushpea
native
Perennial herb

FABACEAE

Hoffmannseggia glauca
© 2020 David Greenberger
Hoffmannseggia glauca
© 2020 Timothy Blank
Hoffmannseggia glauca
© 2019 Richard Spjut

native
Perennial herb

FABACEAE

Lathyrus vestitus var. alefeldii
© 2019 Ron Vanderhoff
Lathyrus vestitus var. alefeldii
© 2016 Mark Harelik
Lathyrus vestitus var. alefeldii
© 2019 Diane Etchison

Lupinus albifrons var. albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons var. albifrons
© 2012 Michael Mitchell
Lupinus albifrons var. albifrons
© 2020 Richard Spjut
Lupinus albifrons var. albifrons
© 2020 Susan McDougall

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

FABACEAE

Lupinus bicolor
© 2024 Mary Ann Machi
Lupinus bicolor
© 2022 Mike Russler
Lupinus bicolor
© 2024 Mary Ann Machi

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 excubitus var. excubitus    Grape lupine,  Grape soda lupine
native
Shrub

FABACEAE

Lupinus excubitus var. excubitus
© 2022 Richard Spjut
Lupinus excubitus var. excubitus
© 2007 Steve Matson
Lupinus excubitus var. excubitus
© 2007 Steve Matson

Lupinus hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

Lupinus hirsutissimus
© 2024 Mike Russler
Lupinus hirsutissimus
© 2023 Neil Uelman
Lupinus hirsutissimus
© 2019 Ron Vanderhoff

Lupinus longifolius    Long leaf bush lupine,  Longleaf bush lupine
native
Shrub

FABACEAE

Lupinus longifolius
© Geoff Burleigh
Lupinus longifolius
© 2023 Keir Morse
Lupinus longifolius
© Geoff Burleigh

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 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

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

FAMILY: FAGACEAE
Quercus agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia
© 2019 Patrick Furtado
Quercus agrifolia
© 2022 Andy Ford
Quercus agrifolia
© 2018 Marcyn Del Clements

Quercus dumosa    Coastal sage scrub oak,  Nuttall's scrub oak
rare native
Shrub

FAGACEAE

Quercus dumosa
© 2023 Ron Vanderhoff
Quercus dumosa
© 2022 Ron Vanderhoff
Quercus dumosa
© 2012 Ron Vanderhoff

FAMILY: FISSIDENTACEAE
native
Moss

FISSIDENTACEAE

Fissidens curvatus
© 2021 Diana Wahl
Fissidens curvatus
© 2023 Chris wagner
Fissidens curvatus
© 2015 Neil Uelman

FAMILY: FOSSOMBRONIACEAE
native
Liverwort

FOSSOMBRONIACEAE

Fossombronia longiseta
© 2018 Ron Vanderhoff
Fossombronia longiseta
© 2022 Ron Vanderhoff
Fossombronia longiseta
© 2017 Neil Uelman

FAMILY: FRANKENIACEAE
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

FAMILY: GENTIANACEAE
Zeltnera venusta    California Centaury, Charming Centaury
native
Annual herb

GENTIANACEAE

Zeltnera venusta
© 2019 Diane Etchison
Zeltnera venusta
© 2021 Bonnie Nickel
Zeltnera venusta
© 2019 Diane Etchison

FAMILY: GERANIACEAE
Geranium carolinianum    Carolina geranium
native
Annual herb

GERANIACEAE

Geranium carolinianum
© 2021 Ron Vanderhoff
Geranium carolinianum
© 2024 Ron Vanderhoff
Geranium carolinianum
© 2024 Ron Vanderhoff

FAMILY: GROSSULARIACEAE
Ribes aureum var. gracillimum    Golden currant
native
Shrub

GROSSULARIACEAE

Ribes aureum var. gracillimum
© 2019 Matt Berger
Ribes aureum var. gracillimum
© 2022 Alexander S. Kunz
Ribes aureum var. gracillimum
© 2020 Alice Cummings

Ribes indecorum    White flowering currant,  Whiteflower currant
native
Shrub

GROSSULARIACEAE

Ribes indecorum
© 2020 Diane Etchison
Ribes indecorum
© 2020 Diane Etchison
Ribes indecorum
© 2020 Diane Etchison

Ribes malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum
© 2020 Bryant Baker
Ribes malvaceum
© 2020 Bryant Baker
Ribes malvaceum
© 2020 Bryant Baker

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

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

HELIOTROPIACEAE

Heliotropium curassavicum var. oculatum
© 2019 Ron Vanderhoff
Heliotropium curassavicum var. oculatum
© 2019 Rachelle Gray
Heliotropium curassavicum var. oculatum
© 2021 Suzanne L. Weakley

FAMILY: HYDROCHARITACEAE
Elodea canadensis    Canadian waterweed,  Common water weed,  Elodea
native
Perennial herb

HYDROCHARITACEAE

Elodea canadensis
© 2000 Bob Sweatt
Elodea canadensis
© 2019 David popp
Elodea canadensis
© 2020 R.A. Chasey

Najas marina    Marine water nymph,  Spiny naiad
native
Annual herb

HYDROCHARITACEAE

Najas marina
© 2020 Ron Vanderhoff
Najas marina
© 2020 Ron Vanderhoff
Najas marina
© 2020 Ron Vanderhoff

FAMILY: HYDROPHYLLACEAE
Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora
© 2022 Steve Matson
Emmenanthe penduliflora
© 2022 Steve Matson
Emmenanthe penduliflora
© 2022 Steve Matson

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

HYDROPHYLLACEAE

Eucrypta chrysanthemifolia
© 2014 Steve Matson
Eucrypta chrysanthemifolia
© 2014 Steve Matson
Eucrypta chrysanthemifolia
© 2014 Steve Matson

Nemophila maculata    Five spot,  Fivespot
native
Annual herb

HYDROPHYLLACEAE

Nemophila maculata
© 2020 Matt Berger
Nemophila maculata
© 2021 Mike Russler
Nemophila maculata
© 2022 Mike Russler

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

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

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 floribunda    Many flowered phacelia,  Southern island phacelia
rare native
Annual herb

HYDROPHYLLACEAE

Phacelia floribunda
© 2014 Dylan Neubauer
Phacelia floribunda
© 2011 Neal Kramer
Phacelia floribunda
© 2008 Kim M. Klementowski

Phacelia grandiflora    Giant flowered phacelia,  Large flowered phacelia,  Largeflower phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia grandiflora
© 2014 Ron Vanderhoff
Phacelia grandiflora
© 2019 Ron Vanderhoff
Phacelia grandiflora
© 2019 Ron Vanderhoff

Phacelia hubbyi    Hubby's phacelia
rare native
Annual herb

HYDROPHYLLACEAE

Phacelia hubbyi
© 2017 Diane Etchison
Phacelia hubbyi
© 2009 Ron Vanderhoff
Phacelia hubbyi
© 2017 Robert A. Hamilton

Phacelia longipes    Long stalk phacelia,  Longstalk phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia longipes
© Geoff Burleigh
Phacelia longipes
© 2020 G Froelich
Phacelia longipes
© 2018 Trevor Schalla

Phacelia parryi    Parry's phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia parryi
© 2023 Ron Vanderhoff
Phacelia parryi
© 2020 Ron Vanderhoff
Phacelia parryi
© 2020 Diane Etchison

Phacelia ramosissima var. austrolitoralis    South coast branching phacelia
rare native
Perennial herb

HYDROPHYLLACEAE

Phacelia ramosissima var. austrolitoralis
© 2018 Ron Vanderhoff
Phacelia ramosissima var. austrolitoralis
© 2023 Ron Vanderhoff
Phacelia ramosissima var. austrolitoralis
© 2021 Richard Spjut

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia tanacetifolia
© 2022 Mike Russler
Phacelia tanacetifolia
© 2024 Bob Steele
Phacelia tanacetifolia
© 2022 Charles Russell

Phacelia viscida var. albiflora    Sticky phacelia,  White phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia viscida var. albiflora
© 2017 John L. Thompson
Phacelia viscida var. albiflora
© 2017 John L. Thompson
Phacelia viscida var. albiflora
© 2016 Emily Han

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

Pholistoma racemosum    Racemed fiestaflower,  San Diego fiesta flower,  San Diego fiestaflower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma racemosum
© 2019 Ron Vanderhoff
Pholistoma racemosum
© 2019 Ron Vanderhoff
Pholistoma racemosum
© 2017 James Bailey

FAMILY: IRIDACEAE
Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

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

FAMILY: JUGLANDACEAE
Juglans californica    Southern black walnut,  Southern california walnut,  Southern california black walnut
rare native
Tree

JUGLANDACEAE

Juglans californica
© 2014 Garth Wadsworth
Juglans californica
© 2022 Aaron Echols
Juglans californica
© 2022 Ron Vanderhoff

Juglans hindsii    Northern california black walnut
native
Tree

JUGLANDACEAE

Juglans hindsii
© 2018 Ron Vanderhoff
Juglans hindsii
© 2016 Steve Matson
Juglans hindsii
© 2018 Ron Vanderhoff

FAMILY: JUNCACEAE
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 bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

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

FAMILY: LAMIACEAE
Salvia apiana    White sage
native
Shrub

LAMIACEAE

Salvia apiana
© 2019 Hannah Garcia
Salvia apiana
© 2019 Ron Vanderhoff
Salvia apiana
© 2020 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 leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla
© 2015 Steven M Norris
Salvia leucophylla
© 2019 Janith Johnson
Salvia leucophylla
© 2018 Ron Vanderhoff

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

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 rigida var. quercetorum    Rough hedgenettle
native
Perennial herb

LAMIACEAE

Stachys rigida var. quercetorum
© 2019 Ken Lunders
Stachys rigida var. quercetorum
© 2016 Ron Vanderhoff
Stachys rigida var. quercetorum
© 2023 Ron Vanderhoff

Stachys rigida var. rigida    Rough hedgenettle
native
Perennial herb

LAMIACEAE

Stachys rigida var. rigida
© 2014 Steve Matson
Stachys rigida var. rigida
© 2014 Steve Matson
Stachys rigida var. rigida
© 2014 Steve Matson

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

Trichostema lanatum
© 2022 Mike Russler
Trichostema lanatum
© 2019 Diane Etchison
Trichostema lanatum
© 2022 Mike Russler

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
© 2018 Ron Vanderhoff
Trichostema lanceolatum
© 2016 Nathan Mudry
Trichostema lanceolatum
© 2019 Aaron Echols

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

LENNOACEAE

Pholisma arenarium
© 2020 David Greenberger
Pholisma arenarium
© 2019 Matt Berger
Pholisma arenarium
© 2018 Peri Lee

FAMILY: LESKEACEAE
Claopodium whippleanum    Whipple's claopodium moss
native
Moss

LESKEACEAE

Claopodium whippleanum
© 2021 Diana Wahl
Claopodium whippleanum
© 2021 Diana Wahl

FAMILY: LILIACEAE
Calochortus catalinae    Catalina mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus catalinae
© 2017 Steve Matson
Calochortus catalinae
© 2023 Ron Vanderhoff
Calochortus catalinae
© 2023 Ron Vanderhoff

FAMILY: LOASACEAE
Mentzelia affinis    Yellow blazing star,  Yellow comet,  Yellowcomet
native
Annual herb

LOASACEAE

Mentzelia affinis
© 2022 Mike Russler
Mentzelia affinis
© 2022 Mike Russler
Mentzelia affinis
© 2020 David Greenberger

Mentzelia lindleyi    Lindley's blazing star,  Lindley's blazingstar
native
Annual herb

LOASACEAE

Mentzelia lindleyi
© 2020 Karen Swift
Mentzelia lindleyi
© 2021 Vivian Krug Cotton
Mentzelia lindleyi
© 2020 Joerg Lohse

Mentzelia micrantha    Chaparral blazing star,  San Luis blazingstar,  San Luis stick leaf
native
Annual herb

LOASACEAE

Mentzelia micrantha
© 2019 Ron Vanderhoff
Mentzelia micrantha
© 2023 Keir Morse
Mentzelia micrantha
© 2019 Hailey Laskey

FAMILY: MALVACEAE
Fremontodendron californicum    California flannelbush,  California fremontia,  Flannel bush
native
Shrub

MALVACEAE

Fremontodendron californicum
© 2020 Suzanne L. Weakley
Fremontodendron californicum
© 2019 Diane Etchison
Fremontodendron californicum
© 2021 Mike Russler

Malacothamnus fasciculatus    Chaparral bushmallow,  Southern coastal bushmallow
native
Shrub

MALVACEAE

Malacothamnus fasciculatus
© 2020 Aaron Echols
Malacothamnus fasciculatus
© 2020 Ron Vanderhoff
Malacothamnus fasciculatus
© 2018 Ron Vanderhoff

Malva assurgentiflora    Island mallow
native
Shrub

MALVACEAE

Malva assurgentiflora
© 2011 Dylan Neubauer
Malva assurgentiflora
© 2018 Ron Vanderhoff
Malva assurgentiflora
© 2014 Ron Vanderhoff

Malvella leprosa    Alkali mallow
native
Perennial herb

MALVACEAE

Malvella leprosa
© 2023 Donald Burk
Malvella leprosa
© 2019 Bonnie Nickel
Malvella leprosa
© 2019 Bonnie Nickel

Sidalcea neomexicana    Mountain sidalcea,  Salt spring checkerbloom
rare native
Perennial herb

MALVACEAE

Sidalcea neomexicana
© 2011 Jeffrey Hapeman
Sidalcea neomexicana
© 2021 Jeffrey Hapeman
Sidalcea neomexicana
© 2019 Richard Spjut

Sphaeralcea ambigua    Apricot mallow,  Desert globemallow,  Desert mallow
native
Perennial herb

MALVACEAE

Sphaeralcea ambigua
© 2011 Steve Matson
Sphaeralcea ambigua
© 2011 Steve Matson
Sphaeralcea ambigua
© 2011 Steve Matson

FAMILY: MARSILEACEAE
Marsilea vestita    Hairy waterclover
native
Fern

MARSILEACEAE

Marsilea vestita
© 2020 Ken Hickman
Marsilea vestita
© 2020 Ron Vanderhoff
Marsilea vestita
© 2020 Ron Vanderhoff

FAMILY: MONTIACEAE
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

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

Cistanthe maritima    Seaside calandrinia
rare native
Annual herb

MONTIACEAE

Cistanthe maritima
© 2019 Ron Vanderhoff
Cistanthe maritima
© 2019 Ron Vanderhoff
Cistanthe maritima
© 2019 Ron Vanderhoff

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

MONTIACEAE

Claytonia perfoliata
© 2008 Steve Matson
Claytonia perfoliata
© 2019 Gary McDonald
Claytonia perfoliata
© 2020 Ron Vanderhoff

FAMILY: NOTOTHYLADACEAE
native
Hornwort

NOTOTHYLADACEAE

Paraphymatoceros pearsonii
© 2023 Neil Uelman
Paraphymatoceros pearsonii
© 2023 Neil Uelman
Paraphymatoceros pearsonii
© 2023 Neil Uelman

FAMILY: NYCTAGINACEAE
Abronia umbellata    Beach sand verbena,  Pink sand verbena,  Purple sand verbena
native
Perennial herb

NYCTAGINACEAE

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

Mirabilis laevis var. crassifolia    California four o'clock
native
Perennial herb

NYCTAGINACEAE

Mirabilis laevis var. crassifolia
© 2014 Steve Matson
Mirabilis laevis var. crassifolia
© 2014 Steve Matson
Mirabilis laevis var. crassifolia
© 2014 Steve Matson

Mirabilis laevis var. villosa    Wishbone bush
native
Perennial herb

NYCTAGINACEAE

Mirabilis laevis var. villosa
© 2021 Steve Matson
Mirabilis laevis var. villosa
© 2021 Steve Matson
Mirabilis laevis var. villosa
© 2021 Steve Matson

FAMILY: ONAGRACEAE
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

Camissoniopsis bistorta    California sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis bistorta
© 2019 Ron Vanderhoff
Camissoniopsis bistorta
© 2023 Ron Vanderhoff
Camissoniopsis bistorta
© 2019 Ken Hickman

native
Annual, Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. cheiranthifolia
© 2014 James Gonsman
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
© 2016 Steve Matson
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
© 2006 Steve Matson

native
Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. suffruticosa
© 2017 Steve Matson
Camissoniopsis cheiranthifolia ssp. suffruticosa
© 2017 Steve Matson
Camissoniopsis cheiranthifolia ssp. suffruticosa
© 2017 Steve Matson

Camissoniopsis hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis hirtella
© 2019 Steve Matson
Camissoniopsis hirtella
© 2019 Steve Matson
Camissoniopsis hirtella
© 2019 Steve Matson

Camissoniopsis intermedia    Intermediate sun cups
native
Annual herb

ONAGRACEAE

Camissoniopsis intermedia
© 2017 David Greenberger
Camissoniopsis intermedia
© 2016 Erik Larsen
Camissoniopsis intermedia
© 2021 R.A. Chasey

Camissoniopsis lewisii    Lewis' evening-primrose
rare native
Annual herb

ONAGRACEAE

Camissoniopsis lewisii
© 2019 Diane Etchison
Camissoniopsis lewisii
© 2019 Diane Etchison
Camissoniopsis lewisii
© 2016 William Jones

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis micrantha
© 2024 Mike Russler
Camissoniopsis micrantha
© 2021 Cara Wilcox
Camissoniopsis micrantha
© 2023 Ron Vanderhoff

Camissoniopsis robusta    Robust subcup
native
Annual herb

ONAGRACEAE

Camissoniopsis robusta
© 2019 Diane Etchison
Camissoniopsis robusta
© 2015 Keir Morse
Camissoniopsis robusta
© 2015 Keir Morse

Clarkia bottae    Botta's clarkia,  Punch bowl godetia
native
Annual herb

ONAGRACEAE

Clarkia bottae
© 2023 Ron Vanderhoff
Clarkia bottae
© 2020 Steve Laymon
Clarkia bottae
© 2020 Steve Laymon

Clarkia purpurea ssp. quadrivulnera    Four-spot,  Purple clarkia,  Purple godetia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
© 2014 Steve Matson
Clarkia purpurea ssp. quadrivulnera
© 2016 Steve Matson
Clarkia purpurea ssp. quadrivulnera
© 2016 Steve Matson

Clarkia rhomboidea    Diamond clarkia,  Diamond petaled clarkia,  Diamond fairyfan
native
Annual herb

ONAGRACEAE

Clarkia rhomboidea
© 2016 Steve Matson
Clarkia rhomboidea
© 2021 Bob Sweatt
Clarkia rhomboidea
© 2008 Steve Matson

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

ONAGRACEAE

Clarkia unguiculata
© 2019 David Greenberger
Clarkia unguiculata
© 2019 Bryant Baker
Clarkia unguiculata
© 2021 Mike Russler

Epilobium brachycarpum    Annual fireweed,  Autumn willowweed,  Panicled willow herb
native
Annual herb

ONAGRACEAE

Epilobium brachycarpum
© 2023 Mary Ann Machi
Epilobium brachycarpum
© 2019 Ramona Robison
Epilobium brachycarpum
© 2020 Ron Vanderhoff

Epilobium campestre    Smooth boisduvalia
native
Annual herb

ONAGRACEAE

Epilobium campestre
© 2007 Steve Matson
Epilobium campestre
© 2007 Steve Matson
Epilobium campestre
© 2007 Steve Matson

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

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

Eulobus californicus
© 2019 Elexis Padron
Eulobus californicus
© 2019 Ron Vanderhoff
Eulobus californicus
© 2019 Elexis Padron

Oenothera elata ssp. hirsutissima    Evening primrose,  Hairy evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata ssp. hirsutissima
© 2015 Bill Haley
Oenothera elata ssp. hirsutissima
© 2021 David Wolfson
Oenothera elata ssp. hirsutissima
© 2012 Steve Matson

FAMILY: ORCHIDACEAE
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
© 2024 Maya Avendano

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

OROBANCHACEAE

Castilleja exserta ssp. exserta
© 2020 David Greenberger
Castilleja exserta ssp. exserta
© 2019 Ron Vanderhoff
Castilleja exserta ssp. exserta
© 2023 Ron Vanderhoff

Castilleja minor ssp. spiralis    Lesser indian paintbrush,  Lesser paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja minor ssp. spiralis
© 2023 Rhonda Allen
Castilleja minor ssp. spiralis
© 2019 Ron Vanderhoff
Castilleja minor ssp. spiralis
© 2019 Matt Berger

FAMILY: OXALIDACEAE
Oxalis trilliifolia    Three leaf woodsorrel,  Threeleaf woodsorrel
native
Perennial herb

OXALIDACEAE

Oxalis trilliifolia
© 2020 Gabe Cashman
Oxalis trilliifolia
© 2020 Gabe Cashman
Oxalis trilliifolia
© 2010 Sangeet Khalsa

FAMILY: PAPAVERACEAE
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

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

Papaver heterophyllum
© 2017 Gary McDonald
Papaver heterophyllum
© 2021 Mike Russler
Papaver heterophyllum
© 2020 Joe Engelbrecht

Romneya coulteri    Coulter's matilija poppy
rare native
Perennial herb (rhizomatous)

PAPAVERACEAE

Romneya coulteri
© 2018 Aaron Echols
Romneya coulteri
© 2022 Aaron Echols
Romneya coulteri
© 2022 Aaron Echols

Romneya trichocalyx    Bristly matilija poppy,  Hairy matilija poppy
native
Perennial herb

PAPAVERACEAE

Romneya trichocalyx
© 2022 Ken Lunders
Romneya trichocalyx
© 2020 Kimberly Coates
Romneya trichocalyx
© 2019 Bryant Baker

FAMILY: PHRYMACEAE
Diplacus aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus
© 2024 Steve Conger
Diplacus aurantiacus
© 2024 Steve Conger
Diplacus aurantiacus
© 2019 Gary McDonald

Diplacus longiflorus    southern bush monkeyflower
native
Shrub

PHRYMACEAE

Diplacus longiflorus
© 2021 Keir Morse
Diplacus longiflorus
© 2014 Steve Matson
Diplacus longiflorus
© 2021 Keir Morse

Diplacus puniceus    Sticky monkey flower
native
Shrub

PHRYMACEAE

Diplacus puniceus
© 2011 Keir Morse
Diplacus puniceus
© 2013 Keir Morse
Diplacus puniceus
© 2011 Keir Morse

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

FAMILY: PINACEAE
rare native
Tree

PINACEAE

Pinus torreyana ssp. torreyana
© 2019 Susan McDougall
Pinus torreyana ssp. torreyana
© 2019 Diane Etchison
Pinus torreyana ssp. torreyana
© 2019 Susan McDougall

FAMILY: PLANTAGINACEAE
Antirrhinum coulterianum    Coulter snapdragon,  Coulter's snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum coulterianum
© 2019 Lynn Sweet
Antirrhinum coulterianum
© 2019 Aaron Echols
Antirrhinum coulterianum
© 2019 Hailey Laskey

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

PLANTAGINACEAE

Antirrhinum nuttallianum ssp. subsessile
© 2024 Ron Vanderhoff
Antirrhinum nuttallianum ssp. subsessile
© 2017 Steve Matson
Antirrhinum nuttallianum ssp. subsessile
© 2023 Ron Vanderhoff

Collinsia heterophylla var. austromontana    Downy Chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla var. austromontana
© 2019 Aaron Echols
Collinsia heterophylla var. austromontana
© 2019 Aaron Echols
Collinsia heterophylla var. austromontana
© 2019 Aaron Echols

Collinsia heterophylla var. heterophylla    Purple chinese houses,  Chinese-Houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla var. heterophylla
© 2022 R.A. Chasey
Collinsia heterophylla var. heterophylla
© 2019 Jacob Smith
Collinsia heterophylla var. heterophylla
© 2023 R.A. Chasey

Keckiella cordifolia    Climbing penstemon,  Heart leaved keckiella,  Heartleaf keckiella
native
Shrub

PLANTAGINACEAE

Keckiella cordifolia
© 2020 Ron Vanderhoff
Keckiella cordifolia
© 2022 Bryant Baker
Keckiella cordifolia
© 2022 Bryant Baker

Nuttallanthus canadensis    Canada toadflax
native
Annual, Biennial herb

PLANTAGINACEAE

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

Penstemon spectabilis    Showy penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon spectabilis
© 2019 Matt Berger
Penstemon spectabilis
© 2009 Neal Kramer
Penstemon spectabilis
© 2022 Ron Vanderhoff

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

Plantago ovata
© 2023 Julia Markey
Plantago ovata
© 2019 Diane Etchison
Plantago ovata
© 2019 Stacie Wolny

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

PLANTAGINACEAE

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

FAMILY: PLATANACEAE
Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

FAMILY: PLUMBAGINACEAE
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

FAMILY: POACEAE
Agrostis pallens    Leafy bent grass,  Diego bent grass,  Seashore bentgrass
native
Perennial grass

POACEAE

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

Bothriochloa barbinodis    Beard grass,  Cane beardgrass,  Cane bluestem
native
Perennial grass

POACEAE

Bothriochloa barbinodis
© 2022 Ron Vanderhoff
Bothriochloa barbinodis
© 2018 Ron Vanderhoff
Bothriochloa barbinodis
© 2015 Ron Vanderhoff

Bromus arizonicus    Arizona brome
native
Annual grass

POACEAE

Bromus arizonicus
© 2024 Matt C. Berger
Bromus arizonicus
© 2024 Matt C. Berger
Bromus arizonicus
© 2024 Matt C. Berger

Bromus pseudolaevipes    Coast range brome,  Southern chinook brome
native
Perennial grass

POACEAE

Bromus pseudolaevipes
© 2019 Ron Vanderhoff
Bromus pseudolaevipes
© 2019 Ron Vanderhoff
Bromus pseudolaevipes
© 2019 Ron Vanderhoff

Bromus sitchensis var. carinatus    California brome
native
Perennial grass

POACEAE

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

Distichlis littoralis    Shore grass
native
Perennial grass

POACEAE

Distichlis littoralis
© 2020 Ron Vanderhoff
Distichlis littoralis
© 2018 William Jones
Distichlis littoralis
© 2021 Ron Vanderhoff

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

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

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

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

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

Eragrostis mexicana ssp. virescens    Mexican lovegrass,  Orcutt's eragrostis
native
Annual grass

POACEAE

Eragrostis mexicana ssp. virescens
© 2022 Ron Vanderhoff
Eragrostis mexicana ssp. virescens
© 2022 Ron Vanderhoff
Eragrostis mexicana ssp. virescens
© 2022 Ron Vanderhoff

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
© 2011 Steve Matson
Festuca microstachys
© 2024 Emily R. Allen
Festuca microstachys
© 2011 Steve Matson

Hordeum brachyantherum    Meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum
© 2015 Steve Matson

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

POACEAE

Hordeum depressum
© 2017 Steve Matson
Hordeum depressum
© 2017 Steve Matson
Hordeum depressum
© 2024 Denise Defreese

Hordeum intercedens    Bobtail barley,  Little barley,  Vernal barley
rare native
Annual grass

POACEAE

Hordeum intercedens
© 2006 Steve Matson
Hordeum intercedens
© 2021 Sameer Saroa
Hordeum intercedens
© 2021 Sameer Saroa

Leptochloa fusca ssp. uninervia    Mexican sprangletop
native
Annual grass

POACEAE

Leptochloa fusca ssp. uninervia
© 2009 Ron Vanderhoff
Leptochloa fusca ssp. uninervia
© 2024 Ron Vanderhoff
Leptochloa fusca ssp. uninervia
© 2024 Ron Vanderhoff

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

Muhlenbergia microsperma    Annual muhly,  Littleseed muhly
native
Annual grass

POACEAE

Muhlenbergia microsperma
© 2017 Ron Vanderhoff
Muhlenbergia microsperma
© 2019 Ron Vanderhoff
Muhlenbergia microsperma
© 2023 Ron Vanderhoff

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

Muhlenbergia rigens
© 2004 Steve Matson
Muhlenbergia rigens
© 2018 Cynthia Powell
Muhlenbergia rigens
© 2022 Ron Vanderhoff

Orcuttia californica    California orcutt grass
rare native
Annual grass

POACEAE

Orcuttia californica
© 2005 Jasmine J. Watts
Orcuttia californica
© 2013 Anna Bennett
Orcuttia californica
© 2005 Russell Huddleston

Paspalum distichum    Knot grass,  Knotgrass
native
Perennial grass

POACEAE

Paspalum distichum
© 2011 Steve Matson
Paspalum distichum
© 2017 Ron Vanderhoff
Paspalum distichum
© 2024 R.A. Chasey

Phalaris lemmonii    Lemmon's canarygrass
native
Annual grass

POACEAE

Phalaris lemmonii
© 2017 James Bailey
Phalaris lemmonii
© 2022 Donald Burk
Phalaris lemmonii
© 2022 Steve Matson

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

Setaria parviflora    Marsh bristlegrass
native
Perennial grass

POACEAE

Setaria parviflora
© 2018 Ron Vanderhoff
Setaria parviflora
© 2019 Ron Vanderhoff
Setaria parviflora
© 2023 Donald Burk

Stipa cernua    Nodding needle grass
native
Perennial grass

POACEAE

Stipa cernua
© 2018 Liz Block
Stipa cernua
© 2022 Ron Vanderhoff
Stipa cernua
© 2022 Dianne Lake

Stipa coronata    Crested needle grass
native
Perennial grass

POACEAE

Stipa coronata
© 2024 Ron Vanderhoff
Stipa coronata
© 2024 Alisa Flint
Stipa coronata
© 2019 Rachelle Gray

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
© 2017 Gary McDonald
Stipa lepida
© 2023 Ron Vanderhoff
Stipa lepida
© 2024 Mel Letterman

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

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

FAMILY: POLEMONIACEAE
Gilia achilleifolia    California gilia
native
Annual herb

POLEMONIACEAE

Gilia achilleifolia
© 2022 R.A. Chasey
Gilia achilleifolia
© 2022 Helen Hancock
Gilia achilleifolia
© 2024 R.A. Chasey

Gilia angelensis    Chaparral gilia
native
Annual herb

POLEMONIACEAE

Gilia angelensis
© 2023 Ron Vanderhoff
Gilia angelensis
© 2021 Ron Vanderhoff
Gilia angelensis
© 2021 Ron Vanderhoff

Gilia capitata    Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata
© 2011 Gerald Carr
Gilia capitata
© 2022 Ron Vanderhoff
Gilia capitata
© 2011 Gerald Carr

Gilia latiflora ssp. davyi    Broad flowered gilia,  Hollyleaf gilia
native
Annual herb

POLEMONIACEAE

Gilia latiflora ssp. davyi
© 2005 Steve Matson
Gilia latiflora ssp. davyi
© 2005 Steve Matson
Gilia latiflora ssp. davyi
© 2010 Aaron Schusteff

Gilia tricolor    Bird's eye gilia,  Bird's eyes,  Tricolor gilia
native
Annual herb

POLEMONIACEAE

Gilia tricolor
© 2021 Steve Matson
Gilia tricolor
© 2022 Steve Matson
Gilia tricolor
© 2021 Steve Matson

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
© 2003 Steve Matson
Microsteris gracilis
© 2016 Steve Matson
Microsteris gracilis
© 2003 Steve Matson

Navarretia prostrata    Prostrate navarretia,  Prostrate pincushionplant
rare native
Annual herb

POLEMONIACEAE

Navarretia prostrata
© 2017 Ron Vanderhoff
Navarretia prostrata
© 2017 Tania Asef
Navarretia prostrata
© 2023 Ron Vanderhoff

FAMILY: POLYGONACEAE
Eriogonum cinereum    Ashyleaf buckwheat,  Coastal buckwheat,  Grey coast eriogonum
native
Shrub

POLYGONACEAE

Eriogonum cinereum
© 2022 Roger Gray
Eriogonum cinereum
© 2022 Roger Gray
Eriogonum cinereum
© 2022 Roger Gray

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum
© 2017 Ron Vanderhoff
Eriogonum elongatum var. elongatum
© 2019 Aaron Echols
Eriogonum elongatum var. elongatum
© 2021 Mike Russler

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 fasciculatum var. foliolosum    California buckwheat,  Eastern mojave buckwheat,  Red topped buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. foliolosum
© 2016 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
© 2015 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
© 2015 Michael Mitchell

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

POLYGONACEAE

Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson
Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson
Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson

Eriogonum giganteum    St. Catherine's lace
native
Shrub

POLYGONACEAE

Eriogonum giganteum
© 2020 Ron Vanderhoff
Eriogonum giganteum
© 2020 Ron Vanderhoff
Eriogonum giganteum
© 2020 Ron Vanderhoff

Eriogonum gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracile
© 2022 Mike Russler
Eriogonum gracile
© 2018 Fred Melgert / Carla Hoegen
Eriogonum gracile
© 2019 Hailey Laskey

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

Persicaria hydropiperoides    Water pepper
native
Perennial herb

POLYGONACEAE

Persicaria hydropiperoides
© 2017 Ron Vanderhoff
Persicaria hydropiperoides
© 2017 Ron Vanderhoff
Persicaria hydropiperoides
© 2021 John Rawlings

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

Persicaria lapathifolia
© 2020 Ron Vanderhoff
Persicaria lapathifolia
© 2017 Ron Vanderhoff
Persicaria lapathifolia
© 2020 Ron Vanderhoff

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

Rumex hymenosepalus    Canaigre dock,  Wild rhubarb
native
Perennial herb

POLYGONACEAE

Rumex hymenosepalus
© 2008 Steve Matson
Rumex hymenosepalus
© 2008 Steve Matson
Rumex hymenosepalus
© 2008 Steve Matson

Rumex salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2012 Gary McDonald
Rumex salicifolius
© 2012 Gary McDonald

FAMILY: POLYPODIACEAE
Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

FAMILY: PORELLACEAE
native
Liverwort

PORELLACEAE

Porella bolanderi
© 2024 Jordan Collins
Porella bolanderi
© 2024 Jordan Collins
Porella bolanderi
© 2023 Neil Uelman

FAMILY: POTAMOGETONACEAE
Potamogeton pusillus    Small pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton pusillus
© 2007 Neal Kramer
Potamogeton pusillus
© null
Potamogeton pusillus
© 2013 Jake Ruygt

FAMILY: POTTIACEAE
native
Moss

POTTIACEAE

Aloina ambigua
© 2016 Neil Uelman
Aloina ambigua
© 2022 Neil Uelman
Aloina ambigua
© 2018 Neil Uelman

native
Moss

POTTIACEAE

Aloina bifrons
© 2023 Jordan Collins
Aloina bifrons
© 2015 Neil Uelman
Aloina bifrons
© 2023 Jordan Collins

native
Moss

POTTIACEAE

Crossidium squamiferum
© 2012 John Game
Crossidium squamiferum
© 2018 Neil Uelman
Crossidium squamiferum
© 2018 Neil Uelman

Didymodon vinealis    Didymodon moss
native
Moss

POTTIACEAE

Didymodon vinealis
© 2015 Neil Uelman
Didymodon vinealis
© 2015 Neil Uelman
Didymodon vinealis
© 2022 John Game

native
Moss

POTTIACEAE

Geheebia tophacea
© 2016 Neil Uelman
Geheebia tophacea
© 2016 Neil Uelman
Geheebia tophacea
© 2016 Neil Uelman

native
Moss

POTTIACEAE

Hennediella stanfordensis
© 2017 Amanda Heinrich
Hennediella stanfordensis
© 2020 Rebecca Reynolds
Hennediella stanfordensis
© 2023 Neil Uelman

native
Moss

POTTIACEAE

Microbryum davallianum
© 2017 Neil Uelman
Microbryum davallianum
© 2017 Neil Uelman
Microbryum davallianum
© 2017 Neil Uelman

native
Moss

POTTIACEAE

Stegonia hyalinotricha
© 2015 Neil Uelman
Stegonia hyalinotricha
© 2015 Neil Uelman
Stegonia hyalinotricha
© 2015 Neil Uelman

native
Moss

POTTIACEAE

Tortula atrovirens
© 2022 Neil Uelman
Tortula atrovirens
© 2022 Neil Uelman
Tortula atrovirens
© 2022 Neil Uelman

native
Moss

POTTIACEAE

Tortula brevipes
© 2015 Neil Uelman
Tortula brevipes
© 2017 Neil Uelman
Tortula brevipes
© 2018 Neil Uelman

Tortula californica    California tortula moss
rare native
Moss

POTTIACEAE

Tortula californica
© 2019 Neil Uelman
Tortula californica
© 2016 Neil Uelman
Tortula californica
© 2022 Neil Uelman

native
Moss

POTTIACEAE

Tortula inermis
© 2015 Neil Uelman
Tortula inermis
© 2022 Neil Uelman
Tortula inermis
© 2022 Neil Uelman

native
Moss

POTTIACEAE

Tortula muralis
© 2023 Neil Uelman
Tortula muralis
© 2023 Ron Vanderhoff
Tortula muralis
© 2022 Neil Uelman

native
Moss

POTTIACEAE

Trichostomopsis australasiae
© 2023 Neil Uelman
Trichostomopsis australasiae
© 2023 Neil Uelman
Trichostomopsis australasiae
© 2023 Neil Uelman

FAMILY: PTERIDACEAE
Adiantum capillus-veneris    Venus hair
native
Fern

PTERIDACEAE

Adiantum capillus-veneris
© 2020 Ron Vanderhoff
Adiantum capillus-veneris
© 2020 Ron Vanderhoff
Adiantum capillus-veneris
© 2020 Ron Vanderhoff

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
© 2022 BOB CASE
Adiantum jordanii
© 2019 Ron Vanderhoff
Adiantum jordanii
© 2023 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

FAMILY: RANUNCULACEAE
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

Delphinium parryi    San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi
© 2019 Diane Etchison
Delphinium parryi
© Geoff Burleigh
Delphinium parryi
© 2019 Diane Etchison

FAMILY: RESEDACEAE
Oligomeris linifolia    Leaved cambess,  Lineleaf whitepuff
native
Annual herb

RESEDACEAE

Oligomeris linifolia
© 2020 Steve Matson
Oligomeris linifolia
© 2017 Diane Etchison
Oligomeris linifolia
© 2016 Steve Matson

FAMILY: RHAMNACEAE
Ceanothus spinosus    Greenbark ceanothus,  Redheart
native
Tree, Shrub

RHAMNACEAE

Ceanothus spinosus
© 2018 Ron Vanderhoff
Ceanothus spinosus
© 2012 Ron Vanderhoff
Ceanothus spinosus
© 2019 Ron Vanderhoff

Ceanothus thyrsiflorus    Blueblossom
native
Tree, Shrub

RHAMNACEAE

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

Frangula californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica
© 2015 Steve Matson
Frangula californica
© 2016 Steve Matson
Frangula californica
© 2015 Steve Matson

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
© 2016 Steve Matson
Rhamnus ilicifolia
© 2016 Steve Matson
Rhamnus ilicifolia
© 2006 Steve Matson

FAMILY: RICCIACEAE
native
Liverwort

RICCIACEAE

Riccia nigrella
© 2018 Ron Vanderhoff
Riccia nigrella
© 2019 John Game
Riccia nigrella
© 2023 Neil Uelman

native
Liverwort

RICCIACEAE

Riccia sorocarpa
© 2019 John Game
Riccia sorocarpa
© 2024 Mike Russler
Riccia sorocarpa
© 2017 Neil Uelman

FAMILY: ROSACEAE
native
Tree, Shrub

ROSACEAE

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

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

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

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Horkelia cuneata var. puberula    Mesa horkelia
rare native
Perennial herb

ROSACEAE

Horkelia cuneata var. puberula
© 2023 Ron Vanderhoff
Horkelia cuneata var. puberula
© 2008 Tony Morosco
Horkelia cuneata var. puberula
© 2013 Ron Vanderhoff

Lyonothamnus floribundus    Catalina ironwood,  Island ironwood
native
Tree

ROSACEAE

Lyonothamnus floribundus
© 2016 Camille Nowell
Lyonothamnus floribundus
© 2009 Ryan Gilmore
Lyonothamnus floribundus
© 2018 Ron Vanderhoff

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

ROSACEAE

Prunus ilicifolia ssp. lyonii
© 2022 Ron Vanderhoff
Prunus ilicifolia ssp. lyonii
© 2019 Ron Vanderhoff
Prunus ilicifolia ssp. lyonii
© 2023 Patti P.

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

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

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

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

FAMILY: RUBIACEAE
Galium angustifolium ssp. angustifolium    Narrow leaved bedstraw,  Narrowleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium angustifolium ssp. angustifolium
© 2017 Steve Matson
Galium angustifolium ssp. angustifolium
© 2020 Ron Vanderhoff
Galium angustifolium ssp. angustifolium
© 2017 Steve Matson

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

RUBIACEAE

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

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

RUPPIACEAE

Ruppia maritima
© 2020 Ron Vanderhoff
Ruppia maritima
© 2020 Ron Vanderhoff
Ruppia maritima
© 2020 Ron Vanderhoff

FAMILY: SALICACEAE
Populus fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii
© 2018 Julie Kierstead Nelson
Populus fremontii
© 2019 Hailey Laskey
Populus fremontii
© 2021 Ron Vanderhoff

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

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

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. hindsiana
© 2020 Ron Vanderhoff
Salix exigua var. hindsiana
© 02/22/2022 John Rawlings
Salix exigua var. hindsiana
© 2021 Richard Spjut

Salix gooddingii    Goodding's black willow,  Goodding's willow,  Gooding's willow
native
Tree

SALICACEAE

Salix gooddingii
© 2020 Ron Vanderhoff
Salix gooddingii
© 2021 Richard Spjut
Salix gooddingii
© 2020 Ron Vanderhoff

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix 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

FAMILY: SAPINDACEAE
Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2019 Verna Jigour

FAMILY: SAURURACEAE
Anemopsis californica    Yerba mansa
native
Perennial herb

SAURURACEAE

Anemopsis californica
© 2022 Steve Matson
Anemopsis californica
© 2022 Steve Matson
Anemopsis californica
© 2022 Steve Matson

FAMILY: SCROPHULARIACEAE
Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

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

FAMILY: SOLANACEAE
Datura wrightii    Jimsonweed,  Sacred thorn apple,  Toluaca
native
Perennial herb

SOLANACEAE

Datura wrightii
© 2019 Bonnie Nickel
Datura wrightii
© 2019 Ron Vanderhoff
Datura wrightii
© 2019 Bonnie Nickel

Lycium andersonii    Anderson thornbush,  Anderson's desert thorn,  Water jacket
native
Shrub

SOLANACEAE

Lycium andersonii
© 2010 Steve Matson
Lycium andersonii
© 2022 Steve Matson
Lycium andersonii
© 2010 Steve Matson

Lycium brevipes var. hassei    Santa catalina island desert thorn
rare native
Shrub

SOLANACEAE

Lycium brevipes var. hassei
© 2020 Ron Vanderhoff
Lycium brevipes var. hassei
© 2020 Ron Vanderhoff
Lycium brevipes var. hassei
© 2020 Ron Vanderhoff

Lycium californicum    California box thorn,  California boxthorn,  California desert thorn
rare native
Shrub

SOLANACEAE

Lycium californicum
© 2011 Keir Morse
Lycium californicum
© 2011 Keir Morse
Lycium californicum
© 2020 Ron Vanderhoff

Petunia parviflora    Wild petunia
native
Annual herb

SOLANACEAE

Petunia parviflora
© 2017 Ron Vanderhoff
Petunia parviflora
© 2020 Ron Vanderhoff
Petunia parviflora
© 2022 Ron Vanderhoff

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

SOLANACEAE

Solanum americanum
© 2023 Ron Vanderhoff
Solanum americanum
© 2019 Gary McDonald
Solanum americanum
© 2021 David Wolfson

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 umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson

FAMILY: SPHAEROCARPACEAE
native
Liverwort

SPHAEROCARPACEAE

Sphaerocarpos michelii
© 2015 Neil Uelman
Sphaerocarpos michelii
© 2015 Neil Uelman
Sphaerocarpos michelii
© 2015 Neil Uelman

native
Liverwort

SPHAEROCARPACEAE

Sphaerocarpos texanus
© 2022 Ron Vanderhoff
Sphaerocarpos texanus
© 2020 Ron Vanderhoff
Sphaerocarpos texanus
© 2022 Ron Vanderhoff

FAMILY: TARGIONIACEAE
native
Liverwort

TARGIONIACEAE

Targionia hypophylla
© 2023 Jordan Collins
Targionia hypophylla
© 2023 Julia Markey
Targionia hypophylla
© 2023 Neil Uelman

FAMILY: THEMIDACEAE
Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

Bloomeria crocea
© 2018 Janith Johnson
Bloomeria crocea
© 2014 Steve Matson
Bloomeria crocea
© 2014 Steve Matson

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

FAMILY: TYPHACEAE
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

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

URTICACEAE

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

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

VERBENACEAE

Phyla nodiflora
© 2018 Ron Vanderhoff
Phyla nodiflora
© 2009 Ron Vanderhoff
Phyla nodiflora
© 2022 Donald Burk

Verbena bracteata    Bigbract verbena,  Bracted verbena
native
Annual, Perennial herb

VERBENACEAE

Verbena bracteata
© 2021 Donald Burk
Verbena bracteata
© 2019 Ron Vanderhoff
Verbena bracteata
© 2018 Ron Vanderhoff

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

FAMILY: VIBURNACEAE
Sambucus mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

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

FAMILY: VITACEAE
Vitis girdiana    Desert wild grape,  Southern california grape
native
Vine, Shrub

VITACEAE

Vitis girdiana
© 2019 Ron Vanderhoff
Vitis girdiana
© 2020 Ron Vanderhoff
Vitis girdiana
© 2021 Aaron Echols

FAMILY: ZOSTERACEAE
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

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