logo Calflora  Illustrated Plant List 
Caliente Range
San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-03)

Record Detail Nearby Surveys What Grows Here?
415 PLANTS
Abronia pogonantha    Mohave sand verbena,  Mojave sand verbena
native
Annual herb

NYCTAGINACEAE

Abronia pogonantha
© 2019 Matt Berger
Abronia pogonantha
© 2017 John Doyen
Abronia pogonantha
© 2017 Adam Chasey

Acanthomintha obovata ssp. cordata    Heart leaved thorn mint,  Heartleaf thorn mint
rare native
Annual herb

LAMIACEAE

Acanthomintha obovata ssp. cordata
© 2020 Robert Ferber
Acanthomintha obovata ssp. cordata
© 2023 Morgan Stickrod
Acanthomintha obovata ssp. cordata
© 2020 Robert Ferber

Achyrachaena mollis    Blow-Wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
© 2015 Diane Etchison
Achyrachaena mollis
© 2022 Mike Russler
Achyrachaena mollis
© 2022 Mike Russler

Acmispon brachycarpus    hill lotus
native
Annual herb

FABACEAE

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

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

Acmispon wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

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

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
© 2022 Mike Russler
Agoseris heterophylla var. cryptopleura
© 2024 Dianne Lake
Agoseris heterophylla var. cryptopleura
© 2022 Mike Russler

Agoseris retrorsa    Spear leaved agoseris,  Spearleaf agoseris,  Spearleaf mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris retrorsa
© 2018 Steve Matson
Agoseris retrorsa
© 2018 Steve Matson
Agoseris retrorsa
© 2018 Steve Matson

Ailanthus altissima    Ailanthus,  Tree of heaven
invasive non-native
Tree

SIMAROUBACEAE

Ailanthus altissima
© 2022 Jenny Gossett
Ailanthus altissima
© 2022 Jenny Gossett
Ailanthus altissima
© 2020 Julie A. Kierstead

Allenrolfea occidentalis    Iodine bush,  Iodinebush
native
Shrub

CHENOPODIACEAE

Allenrolfea occidentalis
© 2016 Steve Matson
Allenrolfea occidentalis
© 2016 Steve Matson
Allenrolfea occidentalis
© 2016 Steve Matson

Allium diabolense    Diablo onion,  Serpentine onion
native
Perennial herb (bulb)

ALLIACEAE

Allium diabolense
© 2020 David Greenberger
Allium diabolense
© 2021 Mike Russler
Allium diabolense
© 2021 Mike Russler

Allium howellii var. howellii    Howell's onion
rare native
Perennial herb (bulb)

ALLIACEAE

Allium howellii var. howellii
© 2023 R.A. Chasey
Allium howellii var. howellii
© 2023 Mike Russler
Allium howellii var. howellii
© 2019 Matt Berger

Allium peninsulare var. peninsulare    Mexicali onion,  Penisula onion
native
Perennial herb (bulb)

ALLIACEAE

Allium peninsulare var. peninsulare
© 2019 Ron Vanderhoff
Allium peninsulare var. peninsulare
© 2019 Ron Vanderhoff
Allium peninsulare var. peninsulare
© 2021 Mike Russler

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

Amaranthus albus
© 2014 Steve Matson
Amaranthus albus
© 2014 Steve Matson
Amaranthus albus
© 2018 Ron Vanderhoff

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

native
Shrub

ASTERACEAE

Ambrosia salsola var. salsola
© 2015 Steve Matson
Ambrosia salsola var. salsola
© 2015 Steve Matson
Ambrosia salsola var. salsola
© 2015 Steve Matson

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 tessellata var. gloriosa    Bristly fiddleneck,  Large flowered devil's fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia tessellata var. gloriosa
© 2024 Ryan O'Dell
Amsinckia tessellata var. gloriosa
© 2019 Susan McDougall
Amsinckia tessellata var. gloriosa
© 2018 Richard Spjut

Amsinckia vernicosa    Green fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia vernicosa
© 2018 Richard Spjut
Amsinckia vernicosa
© 2022 Mike Russler
Amsinckia vernicosa
© 2023 Jacob Smith

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus
© 2020 Matt Berger
Ancistrocarphus filagineus
© 2019 Gerald Carr
Ancistrocarphus filagineus
© 2021 Jacob Smith

Androsace elongata ssp. acuta    California androsace,  California rockjasmine
rare native
Annual herb

PRIMULACEAE

Androsace elongata ssp. acuta
© 2023 Catherine Chang
Androsace elongata ssp. acuta
© 2022 Catherine Chang
Androsace elongata ssp. acuta
© 2023 Helen Hancock

Anisocoma acaulis    Scale bud,  Scalebud
native
Annual herb

ASTERACEAE

Anisocoma acaulis
© 2020 Steve Matson
Anisocoma acaulis
© 2020 Steve Matson
Anisocoma acaulis
© 2022 Steve Matson

Antirrhinum ovatum    Oval leaved snapdragon
rare native
Annual herb

PLANTAGINACEAE

Antirrhinum ovatum
© 2013 Chris Winchell
Antirrhinum ovatum
© 2013 Chris Winchell
Antirrhinum ovatum
© 2022 Mike Russler

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

APIACEAE

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

Arctostaphylos glauca    Big berry manzanita,  Bigberry manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos glauca
© 2020 Ron Vanderhoff
Arctostaphylos glauca
© 2018 Ron Vanderhoff
Arctostaphylos glauca
© 2018 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

ASTERACEAE

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

Asclepias erosa    Desert milkweed
native
Perennial herb

APOCYNACEAE

Asclepias erosa
© 2020 Alexander S. Kunz
Asclepias erosa
© 2023 Douglas Gordon-Blackwood
Asclepias erosa
© 2022 Catherine Capone

Astragalus didymocarpus var. didymocarpus    Common dwarf milkvetch,  Dwarf white milkvetch,  Two seeded milk vetch
native
Annual herb

FABACEAE

Astragalus didymocarpus var. didymocarpus
© 2016 Steve Matson
Astragalus didymocarpus var. didymocarpus
© 2016 Steve Matson
Astragalus didymocarpus var. didymocarpus
© 2016 Steve Matson

Astragalus douglasii var. douglasii    Douglas's milkvetch
native
Perennial herb

FABACEAE

Astragalus douglasii var. douglasii
© 2016 Steve Matson
Astragalus douglasii var. douglasii
© 2016 Steve Matson
Astragalus douglasii var. douglasii
© 2016 Steve Matson

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

FABACEAE

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

Astragalus lentiginosus var. nigricalycis    Black hair milk vetch,  Freckled milkvetch
native
Annual, Perennial herb

FABACEAE

Astragalus lentiginosus var. nigricalycis
© 2005 Steve Matson
Astragalus lentiginosus var. nigricalycis
© 2005 Steve Matson
Astragalus lentiginosus var. nigricalycis
© 2005 Steve Matson

Astragalus macrodon    Salinas milk vetch,  Salinas milkvetch
rare native
Perennial herb

FABACEAE

Astragalus macrodon
© 2010 David Keil
Astragalus macrodon
© 2010 David Keil
Astragalus macrodon
© 2022 Debra Cook

Astragalus oxyphysus    Stanislaus milkvetch
native
Perennial herb

FABACEAE

Astragalus oxyphysus
© 2020 David Greenberger
Astragalus oxyphysus
© 2016 Steve Matson
Astragalus oxyphysus
© 2016 Steve Matson

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

BRASSICACEAE

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

Athysanus unilateralis    Ladiestongue mustard
native
Annual herb

BRASSICACEAE

Athysanus unilateralis
© 2023 R.A. Chasey
Athysanus unilateralis
© 2023 R.A. Chasey
Athysanus unilateralis
© 2008 Aaron Schusteff

Atriplex argentea var. expansa    Mojave silverscale
native
Annual herb

CHENOPODIACEAE

Atriplex argentea var. expansa
© 2022 Dianne Lake
Atriplex argentea var. expansa
© 2022 Dianne Lake
Atriplex argentea var. expansa
© 2022 Dianne Lake

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 confertifolia    Shadscale,  Spiny saltbush
native
Shrub

CHENOPODIACEAE

Atriplex confertifolia
© 2015 Steve Matson
Atriplex confertifolia
© 2015 Steve Matson
Atriplex confertifolia
© 2016 Steve Matson

Atriplex fruticulosa    Ball saltbush,  Valley saltbush
native
Perennial herb

CHENOPODIACEAE

Atriplex fruticulosa
© 2023 R.A. Chasey
Atriplex fruticulosa
© 2017 Adam Chasey
Atriplex fruticulosa
© 2021 Cynthia Powell

Atriplex lentiformis    Big saltbush
native
Shrub

CHENOPODIACEAE

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

Atriplex polycarpa    Allscale saltbush,  Allscale, cattle spinach,  Cattle saltbush
native
Shrub

CHENOPODIACEAE

Atriplex polycarpa
© 2018 Angelique Herman
Atriplex polycarpa
© 2022 Steve Matson
Atriplex polycarpa
© 2022 Steve Matson

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 spinifera    Mojave saltbush,  Spinescale saltbush
native
Shrub

CHENOPODIACEAE

Atriplex spinifera
© 2019 Jacob Smith
Atriplex spinifera
© 2020 David Greenberger
Atriplex spinifera
© 2018 Richard Spjut

Atriplex vallicola    Lost hills crownscale
rare native
Annual herb

CHENOPODIACEAE

Atriplex vallicola
© 2022 Ryan O'Dell
Atriplex vallicola
© 2018 Mitchell Coleman
Atriplex vallicola
© 2022 Ryan O'Dell

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

POACEAE

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

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

POACEAE

Avena fatua
© 2018 Gary McDonald
Avena fatua
© 2023 Ron Vanderhoff
Avena fatua
© 2023 Matt Berger

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

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

Blennosperma nanum var. nanum    Common blennosperma,  Common stickyseed
native
Annual herb

ASTERACEAE

Blennosperma nanum var. nanum
© 2017 David Greenberger
Blennosperma nanum var. nanum
© 2021 R.A. Chasey
Blennosperma nanum var. nanum
© 2021 R.A. Chasey

Blitum californicum    Small Tree-Mallow


Blitum nuttallianum    Small Tree-Mallow


Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

Bloomeria crocea var. aurea
© 2019 David Greenberger
Bloomeria crocea var. aurea
© 2020 Kimberly Coates
Bloomeria crocea var. aurea
© 2018 Gary McDonald

Boechera pulchra    Beautiful rockcress
native
Perennial herb

BRASSICACEAE

Boechera pulchra
© 2012 Steve Matson
Boechera pulchra
© 2012 Steve Matson
Boechera pulchra
© 2012 Steve Matson

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brickellia nevinii    Nevin's brickellbush,  Nevin's brickellia
native
Shrub

ASTERACEAE

Brickellia nevinii
© 2019 Ron Vanderhoff
Brickellia nevinii
© 2019 Ron Vanderhoff
Brickellia nevinii
© 2019 Ron Vanderhoff

Bromus berteroanus    Chilean chess
non-native
Annual grass

POACEAE

Bromus berteroanus
© 2023 John Rawlings
Bromus berteroanus
© 2006 Steve Matson
Bromus berteroanus
© 2006 Steve Matson

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

POACEAE

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

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

POACEAE

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

Bromus rubens    Red brome
invasive non-native
Annual grass

POACEAE

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

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

POACEAE

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

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

California macrophylla    Round leaved filaree
native
Annual herb

GERANIACEAE

California macrophylla
© 2016 Steve Matson
California macrophylla
© 2016 Steve Matson
California macrophylla
© 2022 Cynthia Adkisson

Callitriche longipedunculata    Longstock water-starwort
native
Perennial herb

PLANTAGINACEAE


Calochortus clavatus var. pallidus    Clubhair mariposa lily,  Pale yellow mariposa
native
Perennial herb

LILIACEAE

Calochortus clavatus var. pallidus
© 2021 Mike Russler
Calochortus clavatus var. pallidus
© 2021 Dee Shea Himes
Calochortus clavatus var. pallidus
© 2022 Dee Shea Himes

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
© 2019 Gordon Jenkins
Calochortus splendens
© 2024 Ken-ichi Ueda
Calochortus splendens
© 2023 Julia Markey

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus
© 2014 Steve Matson
Calochortus venustus
© 2012 Zack Abbey
Calochortus venustus
© 2019 Randy Huey

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

Camissonia campestris ssp. campestris    Field sun cup,  Mojave suncup
native
Annual herb

ONAGRACEAE

Camissonia campestris ssp. campestris
© 2016 Steve Matson
Camissonia campestris ssp. campestris
© 2016 Steve Matson
Camissonia campestris ssp. campestris
© 2016 Steve Matson

Camissonia contorta    Contorted sun cup,  Plains evening primrose
native
Annual herb

ONAGRACEAE

Camissonia contorta
© 2023 Dianne Lake
Camissonia contorta
© 2022 Mike Russler
Camissonia contorta
© 2022 Mike Russler

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 hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

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

Camissoniopsis ignota    Jurupa hills sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis ignota
© 2020 Diane Etchison
Camissoniopsis ignota
© 2015 Diane Etchison
Camissoniopsis ignota
© 2019 Arlee Montalvo

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

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

Carex douglasii    Douglas sedge,  Douglas' sedge
native
Perennial grasslike herb

CYPERACEAE

Carex douglasii
© 2023 Donald Burk
Carex douglasii
© 2009 Steve Matson
Carex douglasii
© 2009 Steve Matson

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

OROBANCHACEAE

Castilleja attenuata
© 2024 Steve Conger
Castilleja attenuata
© 2024 Mary Ann Machi
Castilleja attenuata
© 2019 Timothy Boomer

Castilleja brevistyla    Short style owl's clover,  Shortstyle indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja brevistyla
© 2024 Kyle Suchy
Castilleja brevistyla
© 2024 Mike Russler
Castilleja brevistyla
© 2024 Mike Russler

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 foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja plagiotoma    Mojave indian paintbrush
rare native
Perennial herb (hemiparasitic)

OROBANCHACEAE

Castilleja plagiotoma
© 2016 Keir Morse
Castilleja plagiotoma
© 2019 Matt Berger
Castilleja plagiotoma
© 2011 Neal Kramer

Castilleja subinclusa var. jepsonii    Franciscan paint brush,  Longleaf indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja subinclusa var. jepsonii
© 2022 Dianne Lake
Castilleja subinclusa var. jepsonii
© 2022 Zoya Akulova-Barlow
Castilleja subinclusa var. jepsonii
© 2019 David popp

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

ASTERACEAE

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

Centaurea solstitialis    Barnaby's thistle,  Yellow star thistle
invasive non-native
Annual herb

ASTERACEAE

Centaurea solstitialis
© 2022 Cynthia Powell
Centaurea solstitialis
© 2019 Arlee Montalvo
Centaurea solstitialis
© 2022 Mary Herr

Centromadia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

Centromadia pungens ssp. pungens
© 2022 Cynthia Powell
Centromadia pungens ssp. pungens
© 2021 Mike Russler
Centromadia pungens ssp. pungens
© 2024 Mike Russler

Centrostegia thurberi    Red triangles,  Thurber spiny herb,  Thurber's spineflower
native
Annual herb

POLYGONACEAE

Centrostegia thurberi
© 2010 Steve Matson
Centrostegia thurberi
© 2010 Steve Matson
Centrostegia thurberi
© 2022 Steve Matson

Chaenactis fremontii    Fremont pincushion,  Pincushion flower
native
Annual herb

ASTERACEAE

Chaenactis fremontii
© 2019 Matt Berger
Chaenactis fremontii
© 2021 Julie Ann Watson
Chaenactis fremontii
© 2020 Kimberly Coates

Chaenactis glabriuscula var. glabriuscula    Common yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. glabriuscula
© 2020 David Greenberger
Chaenactis glabriuscula var. glabriuscula
© 2020 R.A. Chasey
Chaenactis glabriuscula var. glabriuscula
© 2020 R.A. Chasey

Chaenactis glabriuscula var. lanosa    Pincushion flower,  Woolly yellow chaenactis
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. lanosa
© 2019 Susan McDougall
Chaenactis glabriuscula var. lanosa
© 2019 Susan McDougall
Chaenactis glabriuscula var. lanosa
© 2008 Keir Morse

Chaenactis glabriuscula var. megacephala    Big headed yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. megacephala
© 2017 Ryan Kelly
Chaenactis glabriuscula var. megacephala
© 2017 Ryan Kelly
Chaenactis glabriuscula var. megacephala
© 2009 Barry Breckling

Chaenactis stevioides    Desert pincushion,  Esteve pincushion
native
Annual herb

ASTERACEAE

Chaenactis stevioides
© 2020 Mitchell Coleman
Chaenactis stevioides
© 2019 Matt Berger
Chaenactis stevioides
© 2022 Steve Matson

Chaenactis xantiana    Fleshcolor pincushion,  Xantus pincushion,  Xantus' chaenactis
native
Annual herb

ASTERACEAE

Chaenactis xantiana
© 2019 Matt Berger
Chaenactis xantiana
© 2021 Mike Russler
Chaenactis xantiana
© 2021 Mike Russler

Chorispora tenella    Crossflower
invasive non-native
Annual herb

BRASSICACEAE

Chorispora tenella
© 2022 Bob Sweatt
Chorispora tenella
© 2019 Caleb Cole
Chorispora tenella
© 2019 Liz Block

Chorizanthe spinosa    Mojave spineflower
rare native
Annual herb

POLYGONACEAE

Chorizanthe spinosa
© 2019 Matt Berger
Chorizanthe spinosa
© 2019 Matt Berger
Chorizanthe spinosa
© 2019 Matt Berger

Chorizanthe uniaristata    One awn spineflower,  Oneawn spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe uniaristata
© 2022 Mike Russler
Chorizanthe uniaristata
© 2022 Mike Russler
Chorizanthe uniaristata
© 2022 Mike Russler

Chorizanthe watsonii    Fivetooth spineflower,  Watson's spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe watsonii
© 2020 Steve Matson
Chorizanthe watsonii
© 2020 Steve Matson
Chorizanthe watsonii
© 2022 Steve Matson

Chorizanthe xanti var. xanti    Riverside spineflower,  Xantus' spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe xanti var. xanti
© 2021 Mike Russler
Chorizanthe xanti var. xanti
© 2020 Mike Russler
Chorizanthe xanti var. xanti
© 2021 Mike Russler

Clarkia cylindrica ssp. cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica ssp. cylindrica
© 2019 David Greenberger
Clarkia cylindrica ssp. cylindrica
© 2019 Bryant Baker
Clarkia cylindrica ssp. cylindrica
© 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
© 2019 Joe Engelbrecht
Clarkia purpurea ssp. quadrivulnera
© 2021 R.A. Chasey

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

Claytonia exigua ssp. exigua    Little spring beauty,  Serpentine springbeauty,  Viridis
native
Annual herb

MONTIACEAE

Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson

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 parviflora ssp. viridis    Green miner's lettuce,  Streambank springbeauty
native
Annual herb

MONTIACEAE

Claytonia parviflora ssp. viridis
© 2006 James M. Andre
Claytonia parviflora ssp. viridis
© 2024 Bob Steele
Claytonia parviflora ssp. viridis
© 2024 Bob Steele

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

MONTIACEAE

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

Collinsia bartsiifolia var. davidsonii    Davidson's blue eyed mary,  Davidson's collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia bartsiifolia var. davidsonii
© 2015 Justin Luong
Collinsia bartsiifolia var. davidsonii
© 2022 Mike Russler
Collinsia bartsiifolia var. davidsonii
© 2022 Mike Russler

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

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

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

CONVOLVULACEAE

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

Cryptantha barbigera var. barbigera    Bearded cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha barbigera var. barbigera
© 2014 Steve Matson
Cryptantha barbigera var. barbigera
© 2012 Terrence Gosliner
Cryptantha barbigera var. barbigera
© 2014 Steve Matson

native
Annual herb

BORAGINACEAE

Cryptantha circumscissa
© 2020 Matt Berger
Cryptantha circumscissa
© 2022 Steve Matson
Cryptantha circumscissa
© 2021 Mike Russler

Cryptantha corollata    Coast range cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha corollata
© 2022 Helen Hancock
Cryptantha corollata
© 2022 Helen Hancock
Cryptantha corollata
© 2022 Helen Hancock

Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia var. intermedia
© 2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
© 2021 Ron Vanderhoff
Cryptantha intermedia var. intermedia
© 2023 Ron Vanderhoff

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

BORAGINACEAE

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

Cryptantha muricata var. jonesii    Jones' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha muricata var. jonesii
© 2019 Ron Vanderhoff
Cryptantha muricata var. jonesii
© 2019 Ron Vanderhoff
Cryptantha muricata var. jonesii
© 2019 Ron Vanderhoff

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha nemaclada
© 2011 Steve Matson
Cryptantha nemaclada
© 2011 Steve Matson
Cryptantha nemaclada
© Donald Myrick1999 California Academy of Sciences

Cryptantha nevadensis var. rigida    Rigid cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha nevadensis var. rigida
© 2016 Bill Thiessen
Cryptantha nevadensis var. rigida
© 2019 Mary Merriman
Cryptantha nevadensis var. rigida
© 2016 Bill Thiessen

Cryptantha oxygona    Sharp nut cryptantha,  Sharpnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha oxygona
© 2022 Steve Matson
Cryptantha oxygona
© 2022 Steve Matson
Cryptantha oxygona
© 2020 Matt Berger

Cryptantha pterocarya var. pterocarya    Wingnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha pterocarya var. pterocarya
© 2020 David Greenberger
Cryptantha pterocarya var. pterocarya
© 2016 James Gonsman
Cryptantha pterocarya var. pterocarya
© 2016 James Gonsman

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

CONVOLVULACEAE

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

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

CONVOLVULACEAE

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

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

SOLANACEAE

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

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

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

Deinandra pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

Deinandra pentactis
© 2015 Richard Spellenberg
Deinandra pentactis
© 2015 Richard Spellenberg
Deinandra pentactis
© 2023 Ryan O'Dell

Delphinium gypsophilum    Gypsum loving larkspur,  Pinoche creek larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium gypsophilum
© 2016 Steve Matson
Delphinium gypsophilum
© 2016 Steve Matson
Delphinium gypsophilum
© 2016 Steve Matson

Delphinium parishii ssp. pallidum    Pale parish's larkspur,  Pallid larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parishii ssp. pallidum
© 2019 Angelique Herman
Delphinium parishii ssp. pallidum
© 2003 Lynn Watson
Delphinium parishii ssp. pallidum
© 2003 Hartmut Wisch

Delphinium parryi ssp. parryi    Parry's larkspur,  San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. parryi
© 2022 Mike Russler
Delphinium parryi ssp. parryi
© 2021 R.A. Chasey
Delphinium parryi ssp. parryi
© 2013 James Gonsman

Delphinium patens ssp. montanum    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens ssp. montanum
© 2003 Christopher L. Christie
Delphinium patens ssp. montanum
© 2003 Yulan Tong
Delphinium patens ssp. montanum
© 2003 Christopher L. Christie

Delphinium recurvatum    Byron larkspur,  Recurved larkspur
rare native
Perennial herb

RANUNCULACEAE

Delphinium recurvatum
© 2023 Christopher Collier
Delphinium recurvatum
© 2019 Diane Etchison
Delphinium recurvatum
© 2023 Christopher Collier

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

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

Descurainia sophia    Flix weed,  Herb sophia
invasive non-native
Annual herb

BRASSICACEAE

Descurainia sophia
© 2014 Steve Matson
Descurainia sophia
© 2021 R.A. Chasey
Descurainia sophia
© 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

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

POACEAE

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

Dudleya 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

Eastwoodia elegans    Eastwoodia,  Yellow aster,  Yellow mock aster
native
Shrub

ASTERACEAE

Eastwoodia elegans
© 2019 Diane Etchison
Eastwoodia elegans
© 2022 David Strauch
Eastwoodia elegans
© 2019 Diane Etchison

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
© 2019 Ron Vanderhoff
Elymus multisetus
© 2023 Helen Hancock
Elymus multisetus
© 2021 Denise Defreese

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

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

Emmenanthe penduliflora var. penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora
© 2014 Steve Matson
Emmenanthe penduliflora var. penduliflora
© 2014 Steve Matson
Emmenanthe penduliflora var. penduliflora
© 2010 Steve Matson

Encelia actoni    Acton encelia
native
Shrub

ASTERACEAE

Encelia actoni
© 2022 Steve Matson
Encelia actoni
© 2022 Steve Matson
Encelia actoni
© 2019 Cynthia Powell

Ephedra californica    California ephedra,  California jointfir,  Desert tea
native
Shrub

EPHEDRACEAE

Ephedra californica
© 2021 Kristen Nelson
Ephedra californica
© 2021 Kristen Nelson
Ephedra californica
© 2022 Mike Russler

Ephedra viridis    Green ephedra,  Mormon tea,  Mountain ephedra
native
Shrub

EPHEDRACEAE

Ephedra viridis
© 2021 Bryant Baker
Ephedra viridis
© 2021 Bryant Baker
Ephedra viridis
© 2021 Bryant Baker

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

Eremalche exilis    White mallow
native
Annual herb

MALVACEAE

Eremalche exilis
© 2022 Steve Matson
Eremalche exilis
© 2022 Steve Matson
Eremalche exilis
© 2018 Steve Matson

rare native
Annual herb

MALVACEAE

Eremalche parryi ssp. kernensis
© 2020 David Greenberger
Eremalche parryi ssp. kernensis
© 2018 Sarah Termondt
Eremalche parryi ssp. kernensis
© 2023 Mike Russler

Eremalche parryi ssp. parryi    Parry's mallow
native
Annual herb

MALVACEAE

Eremalche parryi ssp. parryi
© 2019 Dee Shea Himes
Eremalche parryi ssp. parryi
© 2022 Mike Russler
Eremalche parryi ssp. parryi
© 2019 Dee Shea Himes

Eremothera boothii ssp. decorticans    Shredding evening-primrose
native
Annual herb

ONAGRACEAE

Eremothera boothii ssp. decorticans
© 2019 Matt Berger
Eremothera boothii ssp. decorticans
© 2020 David Greenberger
Eremothera boothii ssp. decorticans
© 2020 Bryant Baker

Eriastrum densifolium ssp. elongatum    Giant eriastrum,  Perennial wool star
native
Perennial herb

POLEMONIACEAE

Eriastrum densifolium ssp. elongatum
© 2019 Michael Mitchell
Eriastrum densifolium ssp. elongatum
© 2019 Michael Mitchell
Eriastrum densifolium ssp. elongatum
© 2009 Keir Morse

Eriastrum hooveri    Hoover's eriastrum,  Hoover's woollystar
rare native
Annual herb

POLEMONIACEAE

Eriastrum hooveri
© 2023 Mike Russler
Eriastrum hooveri
© 2024 Ryan O'Dell
Eriastrum hooveri
© 2023 Mike Russler

Eriastrum pluriflorum ssp. sherman-hoytiae    Mrs. Hoyt's woolly-star
native
Annual herb

POLEMONIACEAE

Eriastrum pluriflorum ssp. sherman-hoytiae
© 2011 Aaron Schusteff
Eriastrum pluriflorum ssp. sherman-hoytiae
© 2011 Aaron Schusteff
Eriastrum pluriflorum ssp. sherman-hoytiae
© 2018 John Doyen

Ericameria linearifolia    Interior goldenbush,  Linear leaved goldenbush,  Narrowleaf goldenbush
native
Shrub

ASTERACEAE

Ericameria linearifolia
© 2014 Steve Matson
Ericameria linearifolia
© 2014 Steve Matson
Ericameria linearifolia
© 2014 Steve Matson

Ericameria nauseosa var. hololeuca    Common rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. hololeuca
© 2024 Manzanita Dictionary
Ericameria nauseosa var. hololeuca
© 2022 Steve Matson
Ericameria nauseosa var. hololeuca
© 2022 Steve Matson

Ericameria nauseosa var. mohavensis    Mojave rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. mohavensis
© 2018 Richard Spjut
Ericameria nauseosa var. mohavensis
© 2022 Helen Hancock
Ericameria nauseosa var. mohavensis
© 2022 R.A. Chasey

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

Eriogonum angulosum    Angled stem buckwheat,  Anglestem buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum angulosum
© 2014 Steve Matson
Eriogonum angulosum
© 2016 Steve Matson
Eriogonum angulosum
© 2014 Steve Matson

Eriogonum baileyi var. baileyi    Bailey's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum baileyi var. baileyi
© 2022 Steve Matson
Eriogonum baileyi var. baileyi
© 2022 Steve Matson
Eriogonum baileyi var. baileyi
© 2005 Steve Matson

Eriogonum cithariforme var. agninum    Cithara buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum cithariforme var. agninum
© 2009 Adonis (Don) Tate
Eriogonum cithariforme var. agninum
© 2009 Adonis (Don) Tate

native
Annual herb

POLYGONACEAE

Eriogonum cithariforme var. cithariforme
© 2011 George Butterworth
Eriogonum cithariforme var. cithariforme
© 2011 George Butterworth
Eriogonum cithariforme var. cithariforme
© 2011 George Butterworth

Eriogonum clavatum    Hoover's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum clavatum
© 2023 Matt Berger
Eriogonum clavatum
© 2021 Mike Russler
Eriogonum clavatum
© 2023 Matt Berger

Eriogonum covilleanum    Coville's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum covilleanum
© 2022 Mike Russler
Eriogonum covilleanum
© 2022 Mike Russler
Eriogonum covilleanum
© 2022 Mike Russler

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. 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 gossypinum    Cottony buckwheat
rare native
Annual herb

POLYGONACEAE

Eriogonum gossypinum
© 2019 James Bailey
Eriogonum gossypinum
© 2023 Matt Berger
Eriogonum gossypinum
© 2023 Matt Berger

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 gracillimum    Rose and white buckwheat,  Slender stemmed buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracillimum
© 2022 Ryan O'Dell
Eriogonum gracillimum
© 2023 R.A. Chasey
Eriogonum gracillimum
© 2021 R.A. Chasey

Eriogonum heermannii var. heermannii    Heermann's buckwheat
native
Shrub

POLYGONACEAE

Eriogonum heermannii var. heermannii
© 2015 Keir Morse
Eriogonum heermannii var. heermannii
© 2015 Keir Morse
Eriogonum heermannii var. heermannii
© 2015 Keir Morse

Eriogonum maculatum    Angle stermed buckwheat,  Spotted buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum maculatum
© 2022 Steve Matson
Eriogonum maculatum
© 2022 Steve Matson
Eriogonum maculatum
© 2022 Steve Matson

Eriogonum nudum var. indictum    Naked buckwheat,  Protruding buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum nudum var. indictum
© 2021 Mike Russler
Eriogonum nudum var. indictum
© 2021 Mike Russler
Eriogonum nudum var. indictum
© 2021 Mike Russler

Eriogonum ordii    Fort mojave buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum ordii
© 2023 Matt Berger
Eriogonum ordii
© 2023 Matt Berger
Eriogonum ordii
© 2023 Matt Berger

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum roseum
© 2019 Matt Berger
Eriogonum roseum
© 2014 Steve Matson
Eriogonum roseum
© 2014 Steve Matson

Eriogonum temblorense    Temblor buckwheat
rare native
Annual herb

POLYGONACEAE

Eriogonum temblorense
© 2023 Matt Berger
Eriogonum temblorense
© 2023 Matt Berger
Eriogonum temblorense
© 2023 Matt Berger

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum viridescens
© 2022 Ryan O'Dell
Eriogonum viridescens
© 2019 Matt Berger
Eriogonum viridescens
© 2021 Mike Russler

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

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
© 2024 Richard Spjut
Eriophyllum confertiflorum var. confertiflorum
© 2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
© 2020 Ron Vanderhoff

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

ASTERACEAE

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

Eriophyllum pringlei    Pringle eriophyllum,  Pringle's woolly sunflower
native
Annual herb

ASTERACEAE

Eriophyllum pringlei
© 2006 Steve Matson
Eriophyllum pringlei
© 2008 Steve Matson
Eriophyllum pringlei
© 2006 Steve Matson

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

GERANIACEAE

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

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

GERANIACEAE

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

Erodium texanum    Desert heron's bill,  Texas filaree,  Texas stork's bill
native
Annual herb

GERANIACEAE

Erodium texanum
© 2010 Steve Matson
Erodium texanum
© 2019 Matt Berger
Erodium texanum
© 2010 Steve Matson

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. capitatum
© 2017 Steve Matson
Erysimum capitatum var. capitatum
© 2017 Steve Matson
Erysimum capitatum var. capitatum
© 2017 Steve Matson

Erythranthe androsacea    Androsace monkeyflower
native
Annual herb

PHRYMACEAE

Erythranthe androsacea
© 2019 Matt Berger
Erythranthe androsacea
© 2019 Matt Berger
Erythranthe androsacea
© 2024 Bob Steele

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

PHRYMACEAE

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

Eschscholzia caespitosa    Foothill poppy,  Tufted eschscholzia,  Tufted poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia caespitosa
© 2019 Ron Vanderhoff
Eschscholzia caespitosa
© 2021 Lisa Berry
Eschscholzia caespitosa
© 2022 Cynthia Powell

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

Eschscholzia hypecoides    Leafy stemmed poppy,  San benito poppy
rare native
Annual herb

PAPAVERACEAE

Eschscholzia hypecoides
© 2022 Mike Russler
Eschscholzia hypecoides
© 2022 Mike Russler
Eschscholzia hypecoides
© 2022 Mike Russler

native
Annual herb

PAPAVERACEAE

Eschscholzia lemmonii ssp. lemmonii
© 2023 Ryan O'Dell
Eschscholzia lemmonii ssp. lemmonii
© 2023 Martin Schenker
Eschscholzia lemmonii ssp. lemmonii
© 2023 Ryan O'Dell

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

HYDROPHYLLACEAE

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

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

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

Euphorbia ocellata    Contura creek spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia ocellata
© 2005 Steve Matson
Euphorbia ocellata
© 2005 Steve Matson
Euphorbia ocellata
© 2023 Donald Burk

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

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

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Festuca octoflora    Sixweeks grass
native
Annual grass

POACEAE

Festuca octoflora
© 2023 R.A. Chasey
Festuca octoflora
© 2020 Sara Timby
Festuca octoflora
© 2018 Ken Hickman

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

FRANKENIACEAE

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

Fritillaria agrestis    Stinkbells
rare native
Perennial herb (bulb)

LILIACEAE

Fritillaria agrestis
© 2023 Morgan Stickrod
Fritillaria agrestis
© 2015 George Butterworth
Fritillaria agrestis
© 2021 Damon Tighe

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

LILIACEAE

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

Galium andrewsii    Needlemat galium,  Phlox leaved bedstraw,  Phloxleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii
© 2022 Mike Russler
Galium andrewsii
© 2019 Marisa Persaud
Galium andrewsii
© 2022 Mike Russler

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
© 2005 Steve Matson
Galium aparine
© 2020 Ron Vanderhoff

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens
© 2020 Ron Vanderhoff
Garrya flavescens
© 2023 Ryan O'Dell
Garrya flavescens
© 2021 Ron Vanderhoff

native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. achilleifolia
© 2021 Helen Hancock
Gilia achilleifolia ssp. achilleifolia
© 2022 R.A. Chasey
Gilia achilleifolia ssp. achilleifolia
© 2021 Mary Conway

Gilia austro-occidentalis    Southwestern gilia
native
Annual herb

POLEMONIACEAE

Gilia austro-occidentalis
© 2009 Adonis (Don) Tate
Gilia austro-occidentalis
© 2009 Adonis (Don) Tate

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

POLEMONIACEAE

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

Gilia jacens    Nevada gilia
native
Annual herb

POLEMONIACEAE

Gilia jacens
© 2003 Aaron Schusteff
Gilia jacens
© 2022 Ryan O'Dell
Gilia jacens
© 2022 Ryan O'Dell

Gilia latiflora ssp. cuyamensis    Cuyama gilia,  Hollyleaf gilia
rare native
Annual herb

POLEMONIACEAE

Gilia latiflora ssp. cuyamensis
© 2012 Michael Charters
Gilia latiflora ssp. cuyamensis
© 2012 Michael Charters
Gilia latiflora ssp. cuyamensis
© 2012 Michael Charters

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 malior    Scrub gilia
native
Annual herb

POLEMONIACEAE

Gilia malior
© 2014 Steve Matson
Gilia malior
© 2014 Steve Matson
Gilia malior
© 2006 James M. Andre

Gilia minor    Little gilia
native
Annual herb

POLEMONIACEAE

Gilia minor
© 2020 Matt Berger
Gilia minor
© 2020 Matt Berger
Gilia minor
© 2020 Matt Berger

Gilia ochroleuca ssp. minima    Volcanic gilia
native
Annual herb

POLEMONIACEAE

Gilia ochroleuca ssp. minima
© 2016 Steve Matson
Gilia ochroleuca ssp. minima
© 2016 Steve Matson
Gilia ochroleuca ssp. minima
© 2016 Steve Matson

Gilia tenuiflora ssp. amplifaucalis    Greater yellowthroat gilia,  Spreading slender flowered gilia
rare native
Annual herb

POLEMONIACEAE


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

Grayia spinosa    Hop sage,  Spiny hopsage
native
Shrub

CHENOPODIACEAE

Grayia spinosa
© 2019 Diane Etchison
Grayia spinosa
© 2019 Diane Etchison
Grayia spinosa
© 2019 Diane Etchison

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

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

non-native
Annual herb

CARYOPHYLLACEAE

Herniaria hirsuta var. cinerea
© 2016 Michael Mitchell
Herniaria hirsuta var. cinerea
© 2016 Michael Mitchell
Herniaria hirsuta var. cinerea
© 2016 Michael Mitchell

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

Heterotheca sessiliflora ssp. echioides    Bristly goldenaster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2018 Ron Vanderhoff

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

BRASSICACEAE

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

Hollisteria lanata    False spikeflower,  False spineflower
native
Annual herb

POLYGONACEAE

Hollisteria lanata
© 2021 Mike Russler
Hollisteria lanata
© 2021 Mike Russler
Hollisteria lanata
© 2016 Steve Matson

Holocarpha heermannii    Heermann's tarweed
native
Annual herb

ASTERACEAE

Holocarpha heermannii
© 2018 Richard Spjut
Holocarpha heermannii
© 2022 Cynthia Powell
Holocarpha heermannii
© 2022 Cynthia Powell

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

POACEAE

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

Hornungia procumbens    Prostrate hutchinsia
non-native

BRASSICACEAE

Hornungia procumbens
© 2010 Steve Matson
Hornungia procumbens
© 2010 Steve Matson
Hornungia procumbens
© 2010 Steve Matson

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

Juncus balticus ssp. ater    Baltic rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
© 2015 Steve Matson

native
Annual grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

Juniperus californica
© 2019 Patrick Furtado
Juniperus californica
© 2017 Gary McDonald
Juniperus californica
© 2014 Ron Vanderhoff

Keckiella breviflora var. breviflora    Gaping keckiella,  Gaping penstemon
native
Shrub

PLANTAGINACEAE

Keckiella breviflora var. breviflora
© 2016 Steve Matson
Keckiella breviflora var. breviflora
© 2016 Steve Matson
Keckiella breviflora var. breviflora
© 2016 Steve Matson

Krascheninnikovia lanata    Winter fat,  Winterfat
native
Shrub

CHENOPODIACEAE

Krascheninnikovia lanata
© 2011 Steve Matson
Krascheninnikovia lanata
© 2019 Marcia Mack
Krascheninnikovia lanata
© 2011 Steve Matson

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
© 2019 Diane Etchison
Lagophylla ramosissima
© 2021 Dee Shea Himes
Lagophylla ramosissima
© 2020 Ken Hickman

Lamium amplexicaule    Giraffe head,  Henbit deadnettle
non-native
Annual herb

LAMIACEAE

Lamium amplexicaule
© 2005 Steve Matson
Lamium amplexicaule
© 2005 Steve Matson
Lamium amplexicaule
© 2021 Mike Russler

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

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

Lasthenia debilis    Greene's goldfields
native
Annual herb

ASTERACEAE

Lasthenia debilis
© 2023 Mike Russler
Lasthenia debilis
© 2023 Mike Russler
Lasthenia debilis
© 2023 Mike Russler

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

Lasthenia microglossa    Small rayed goldfields,  Smallray goldfields,  Smallrayed lasthenia
native
Annual herb

ASTERACEAE

Lasthenia microglossa
© 2023 R.A. Chasey
Lasthenia microglossa
© 2023 R.A. Chasey
Lasthenia microglossa
© 2023 R.A. Chasey

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

ASTERACEAE

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

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

ASTERACEAE

Layia glandulosa
© 2016 James Gonsman
Layia glandulosa
© 2021 Mike Russler
Layia glandulosa
© 2021 Mike Russler

Layia heterotricha    Pale yellow layia,  Paleyellow tidytips
rare native
Annual herb

ASTERACEAE

Layia heterotricha
© 2021 Mike Russler
Layia heterotricha
© 2021 Mike Russler
Layia heterotricha
© 2018 Sarah Termondt

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

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 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

Lepidospartum squamatum    California broomsage,  California broomshrub,  Scale broom
native
Shrub

ASTERACEAE

Lepidospartum squamatum
© 2021 Mike Russler
Lepidospartum squamatum
© 2021 David Wolfson
Lepidospartum squamatum
© 2021 Mike Russler

Leptosiphon bicolor    True babystars
native
Annual herb

POLEMONIACEAE

Leptosiphon bicolor
© 2008 Steve Matson
Leptosiphon bicolor
© 2008 Steve Matson
Leptosiphon bicolor
© 2008 Steve Matson

Leptosiphon liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Leptosiphon liniflorus
© 2017 Aaron Echols
Leptosiphon liniflorus
© 2022 Ron Vanderhoff
Leptosiphon liniflorus
© 2023 Diana Wahl

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse

Leptosyne bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

Leptosyne bigelovii
© 2022 Mike Russler
Leptosyne bigelovii
© 2020 John L. Thompson
Leptosyne bigelovii
© 2020 Matt Berger

Leptosyne calliopsidea    Leafy stemmed coreopsis
native
Annual herb

ASTERACEAE

Leptosyne calliopsidea
© 2016 Steve Matson
Leptosyne calliopsidea
© 2016 Steve Matson
Leptosyne calliopsidea
© 2016 Steve Matson

Lessingia glandulifera var. glandulifera    Sticky lessingia,  Valley lessingia
native
Annual herb

ASTERACEAE

Lessingia glandulifera var. glandulifera
© 2021 R.A. Chasey
Lessingia glandulifera var. glandulifera
© 2015 Steve Matson
Lessingia glandulifera var. glandulifera
© 2021 Mike Russler

native
Shrub

POLEMONIACEAE

Linanthus bigelovii ssp. johnsonii
© 2019 Steve Matson
Linanthus bigelovii ssp. johnsonii
© 2019 Steve Matson
Linanthus bigelovii ssp. johnsonii
© 2024 Ryan O'Dell

native
Annual herb

POLEMONIACEAE

Linanthus dichotomus ssp. dichotomus
© 2019 Jacob Smith
Linanthus dichotomus ssp. dichotomus
© 2008 Steve Matson
Linanthus dichotomus ssp. dichotomus
© 2021 Mike Russler

Lithophragma affine    Common woodland star,  San Francisco woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson

Lithophragma cymbalaria    Mission star,  Mission woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma cymbalaria
© 2020 Bryant Baker
Lithophragma cymbalaria
© 2020 David Greenberger
Lithophragma cymbalaria
© 2020 Bryant Baker

Loeflingia squarrosa    Spreading loeflingia,  Spreading pygmyleaf
native
Annual herb

CARYOPHYLLACEAE

Loeflingia squarrosa
© 2010 Steve Matson
Loeflingia squarrosa
© 2010 Steve Matson
Loeflingia squarrosa
© 2010 Steve Matson

Loeseliastrum schottii    Schott gilia,  Schott's calico
native
Annual herb

POLEMONIACEAE

Loeseliastrum schottii
© 2020 David Greenberger
Loeseliastrum schottii
© 2024 Bob Steele
Loeseliastrum schottii
© 2019 Don M. Davis

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
© 2021 John Game
Lomatium macrocarpum
© 2023 R.A. Chasey
Lomatium macrocarpum
© 2023 R.A. Chasey

Lomatium mohavense    Mohave wild parsely,  Mojave desertparsley,  Mojave lomatium
native
Perennial herb

APIACEAE

Lomatium mohavense
© 2020 Matt Berger
Lomatium mohavense
© 2023 richard mcneill
Lomatium mohavense
© 2008 Steve Matson

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

APIACEAE

Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2015 James Gonsman

Lonicera subspicata var. denudata    Chaparral honeysuckle,  Johnston's honeysuckle,  Santa barbara honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata var. denudata
© 2019 Diane Etchison
Lonicera subspicata var. denudata
© 2021 Ron Vanderhoff
Lonicera subspicata var. denudata
© 2021 Ron Vanderhoff

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 concinnus    Bajada lupine,  Elegant lupine,  Scarlet lupine
native
Annual herb

FABACEAE

Lupinus concinnus
© 2022 Ron Vanderhoff
Lupinus concinnus
© 2019 Ron Vanderhoff
Lupinus concinnus
© 2017 B.J. Dion

Lupinus ludovicianus    San luis lupine,  San luis obispo county lupine
rare native
Perennial herb

FABACEAE

Lupinus ludovicianus
© 2016 Kristie Haydu
Lupinus ludovicianus
© 2016 Kristie Haydu
Lupinus ludovicianus
© 2012 CNPS, San Luis Obispo Chapter

Lupinus microcarpus var. microcarpus    Chick lupine,  Valley lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. microcarpus
© 2006 Steve Matson
Lupinus microcarpus var. microcarpus
© 2006 Steve Matson
Lupinus microcarpus var. microcarpus
© 2006 Steve Matson

Lupinus sparsiflorus    Coulter's lupine,  Mohave lupine,  Mojave lupine
native
Annual herb

FABACEAE

Lupinus sparsiflorus
© 2022 Ron Vanderhoff
Lupinus sparsiflorus
© 2023 Ron Vanderhoff
Lupinus sparsiflorus
© 2023 Ron Vanderhoff

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

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

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
© 2021 Jamie Spielmann
Madia elegans
© 2021 Mike Russler
Madia elegans
© 2020 Diane Etchison

Madia radiata    Golden madia,  Showy madia
rare native
Annual herb

ASTERACEAE

Madia radiata
© 2023 Jacob Smith
Madia radiata
© 2016 George Butterworth
Madia radiata
© 2016 George Butterworth

Malacothrix californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

Malacothrix californica
© 2023 David Wolfson
Malacothrix californica
© 2023 David Wolfson
Malacothrix californica
© Geoff Burleigh

Malacothrix clevelandii    Cleveland's dandelion,  Cleveland's desertdandelion,  Cleveland's malacothrix
native
Annual herb

ASTERACEAE

Malacothrix clevelandii
© 2021 Steve Laymon
Malacothrix clevelandii
© 2022 Mike Russler
Malacothrix clevelandii
© 2023 R.A. Chasey

Malacothrix coulteri    Snake's head
native
Annual herb

ASTERACEAE

Malacothrix coulteri
© 2020 David Greenberger
Malacothrix coulteri
© 2020 Matt Berger
Malacothrix coulteri
© 2020 David Greenberger

Malacothrix floccifera    Woolly dandelion,  Woolly desertdandelion,  Woolly malacothrix
native
Annual herb

ASTERACEAE

Malacothrix floccifera
© 2020 Stacie Wolny
Malacothrix floccifera
© 2020 David Greenberger
Malacothrix floccifera
© 2018 Stacie Wolny

Malacothrix glabrata    Desert dandelion,  Smooth desertdandelion
native
Annual herb

ASTERACEAE

Malacothrix glabrata
© 2019 Diane Etchison
Malacothrix glabrata
© 2022 Steve Matson
Malacothrix glabrata
© 2017 Leah Gardner

Malacothrix saxatilis var. commutata    Cliff desertdandelion,  South coast range malacothrix
native
Perennial herb

ASTERACEAE

Malacothrix saxatilis var. commutata
© 2016 George Butterworth
Malacothrix saxatilis var. commutata
© 2016 George Butterworth
Malacothrix saxatilis var. commutata
© 2003 Christopher L. Christie

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

Malvella leprosa    Alkali mallow
native
Perennial herb

MALVACEAE

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

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

Matricaria occidentalis    Valley mayweed
native
Annual herb

ASTERACEAE

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

Melica californica    California melicgrass
native
Perennial grass

POACEAE

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

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

POACEAE

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

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

FABACEAE

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

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 congesta    Clustered blazing star,  United blazingstar
native
Annual herb

LOASACEAE

Mentzelia congesta
© 2006 Steve Matson
Mentzelia congesta
© 2006 Steve Matson
Mentzelia congesta
© 2022 Steve Matson

Mentzelia gracilenta    Blazing star,  Grass blazingstar,  Slender blazing star
native
Annual herb

LOASACEAE

Mentzelia gracilenta
© 2022 Mary Conway
Mentzelia gracilenta
© 2019 Matt Berger
Mentzelia gracilenta
© 2019 David Greenberger

Mentzelia pectinata    San joaquin blazing star,  San joaquin blazingstar
native
Annual herb

LOASACEAE

Mentzelia pectinata
© 2021 Mike Russler
Mentzelia pectinata
© 2021 Mike Russler
Mentzelia pectinata
© 2021 Mike Russler

Mentzelia veatchiana    Veatch's blazing star
native
Annual herb

LOASACEAE

Mentzelia veatchiana
© 2019 Marisa Persaud
Mentzelia veatchiana
© 2019 Diane Etchison
Mentzelia veatchiana
© 2021 Mike Russler

Microseris campestris    San joaquin microseris,  San joaquin silverpuffs
native
Annual herb

ASTERACEAE

Microseris campestris
© 2023 Ryan O'Dell
Microseris campestris
© 2023 Ryan O'Dell
Microseris campestris
© 2022 Dianne Lake

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

ASTERACEAE

Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 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

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

Monardella breweri ssp. breweri    Brewer's monardella
native
Annual herb

LAMIACEAE

Monardella breweri ssp. breweri
© 2012 Terrence Gosliner
Monardella breweri ssp. breweri
© 2019 Manzanita Dictionary

Monolopia congdonii    San joaquin woollythreads
rare native
Annual herb

ASTERACEAE

Monolopia congdonii
© 2022 Mike Russler
Monolopia congdonii
© 2020 David Greenberger
Monolopia congdonii
© 2024 Ryan O'Dell

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

Monolopia lanceolata
© 2016 Steve Matson
Monolopia lanceolata
© 2016 Steve Matson
Monolopia lanceolata
© 2016 Steve Matson

Monolopia stricta    Crum's monolopia
native
Annual herb

ASTERACEAE

Monolopia stricta
© 2020 Matt Berger
Monolopia stricta
© 2020 David Greenberger
Monolopia stricta
© 2016 Steve Matson

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

Mucronea perfoliata
© 2020 Matt Berger
Mucronea perfoliata
© 2019 Matt Berger
Mucronea perfoliata
© 2022 Ryan O'Dell

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

Muilla maritima
© 2017 Steve Matson
Muilla maritima
© 2017 Steve Matson
Muilla maritima
© 2017 Steve Matson

Nama californicum    California Fiddleleaf
native
Annual herb

NAMACEAE

Nama californicum
© 2020 Matt Berger
Nama californicum
© 2008 Steve Matson
Nama californicum
© 2019 Matt Berger

Navarretia mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mitracarpa
© 2022 Mike Russler
Navarretia mitracarpa
© 2019 David Greenberger
Navarretia mitracarpa
© 2022 Mike Russler

Nemacladus californicus    Mojave dwarf
native
Annual herb

CAMPANULACEAE

Nemacladus californicus
© 2023 Eric Koberle
Nemacladus californicus
© 2023 Eric Koberle
Nemacladus californicus
© 2019 Manzanita Dictionary

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

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

Nemophila pulchella var. fremontii    Fremont's baby blue eyes,  Fremont's nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila pulchella var. fremontii
© 2009 Sidney Watson
Nemophila pulchella var. fremontii
© 2009 Sidney Watson
Nemophila pulchella var. fremontii
© 2009 Sidney Watson

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

Nicotiana quadrivalvis
© 2019 Michael Mitchell
Nicotiana quadrivalvis
© 2019 Michael Mitchell
Nicotiana quadrivalvis
© 2016 Lesley Hunt

Packera breweri    Brewer's ragwort
native
Perennial herb

ASTERACEAE

Packera breweri
© 2017 Patricia Ashe
Packera breweri
© 2019 John Rawlings
Packera breweri
© 2019 Angelique Herman

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

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

Pectocarya anisocarpa    Small Tree-Mallow


Pectocarya linearis ssp. ferocula    Sagebrush combseed,  Slender comb seed,  Slender pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya linearis ssp. ferocula
© 2014 Steve Matson
Pectocarya linearis ssp. ferocula
© 2014 Steve Matson
Pectocarya linearis ssp. ferocula
© 2014 Steve Matson

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

BORAGINACEAE

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

Pectocarya setosa    Moth combseed,  Stiff stemmed comb bur
native
Annual herb

BORAGINACEAE

Pectocarya setosa
© 2014 Steve Matson
Pectocarya setosa
© 2009 Steve Matson
Pectocarya setosa
© 2014 Steve Matson

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

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

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

Penstemon centranthifolius
© 2019 Ron Vanderhoff
Penstemon centranthifolius
© 2017 Diane Etchison
Penstemon centranthifolius
© 2021 Mike Russler

Pentachaeta fragilis    Fragile pygmy daisy,  Fragile pygmydaisy
rare native
Annual herb

ASTERACEAE

Pentachaeta fragilis
© 2020 Matt Berger
Pentachaeta fragilis
© 2017 Neal Kramer
Pentachaeta fragilis
© 2017 Neal Kramer

native
Fern

PTERIDACEAE

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

Perideridia pringlei    Adobe yampah
rare native
Perennial herb

APIACEAE

Perideridia pringlei
© 2023 Mike Russler
Perideridia pringlei
© 2023 Mike Russler
Perideridia pringlei
© 2023 Mike Russler

Peritoma arborea    Bladderpod
native
Shrub

CLEOMACEAE

Peritoma arborea
© 2022 Steven M Norris
Peritoma arborea
© 2023 David Strauch
Peritoma arborea
© 2021 Jane Thorngren

Phacelia affinis    Limestone phacelia,  Purple bell phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia affinis
© 2023 Martin Schenker
Phacelia affinis
© 2005 James M. Andre
Phacelia affinis
© 2015 Keir Morse

Phacelia cicutaria var. hispida    Caterpillar phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia cicutaria var. hispida
© 2017 Steve Matson
Phacelia cicutaria var. hispida
© 2017 Steve Matson
Phacelia cicutaria var. hispida
© 2017 Steve Matson

Phacelia ciliata    Great valley phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia ciliata
© 2022 Ron Vanderhoff
Phacelia ciliata
© 2022 Mike Russler
Phacelia ciliata
© 2022 Catherine Chang

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

HYDROPHYLLACEAE

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

Phacelia douglasii var. douglasii    Douglas' phacelia
native
Annual herb

HYDROPHYLLACEAE

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

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia egena
© 2016 Steve Matson
Phacelia egena
© 2016 Steve Matson
Phacelia egena
© 2016 Steve Matson

Phacelia fremontii    Fremont's phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia fremontii
© 2022 Steve Matson
Phacelia fremontii
© 2022 Mike Russler
Phacelia fremontii
© 2014 Steve Conger

Phacelia imbricata ssp. imbricata    Imbricate Phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson

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 vallis-mortae    Death valley phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia vallis-mortae
© 2019 Steve Matson
Phacelia vallis-mortae
© 2011 Steve Matson
Phacelia vallis-mortae
© 2010 Steve Matson

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma membranaceum
© 2005 Steve Matson
Pholistoma membranaceum
© 2016 Steve Matson
Pholistoma membranaceum
© 2016 Steve Matson

Phoradendron densum    Bollean mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron densum
© 2014 Steve Matson
Phoradendron densum
© 2014 Steve Matson
Phoradendron densum
© 2019 Aaron Echols

native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum ssp. villosum
© 2022 David popp
Phoradendron villosum ssp. villosum
© 2020 R.A. Chasey
Phoradendron villosum ssp. villosum
© 2021 R.A. Chasey

Pilularia americana    American pillwort
native
Fern

MARSILEACEAE

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

Pinus monophylla    Nut pine,  Oneneedle pinyon pine,  Single leaf pinyon pine
native
Tree

PINACEAE

Pinus monophylla
© 2019 Annie Walker
Pinus monophylla
© 2019 Matt Berger
Pinus monophylla
© 2018 Diane Etchison

Plagiobothrys acanthocarpus    Adobe allocarya,  Adobe popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys acanthocarpus
© 2017 Steve Matson
Plagiobothrys acanthocarpus
© 2017 Steve Matson
Plagiobothrys acanthocarpus
© 2024 Catherine Chang

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

BORAGINACEAE

Plagiobothrys canescens
© 2022 Catherine Chang
Plagiobothrys canescens
© 2016 Steve Matson
Plagiobothrys canescens
© 2016 Steve Matson

Plagiobothrys leptocladus    Alkali plagiobothrys,  Finebranched popcornflower
native
Annual herb

BORAGINACEAE

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

Plagiobothrys tenellus    Pacific popcornflower,  Popcorn flower,  Slender popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys tenellus
© 2023 Larry Dizmang
Plagiobothrys tenellus
© 2023 Larry Dizmang
Plagiobothrys tenellus
© 2022 Mike Russler

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

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

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
© 2022 Steve Matson
Plectritis ciliosa
© 2005 Steve Matson
Plectritis ciliosa
© 2022 Steve Matson

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

VALERIANACEAE

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

Poa bulbosa ssp. vivipara    Bulbous blue grass
non-native
Perennial grass

POACEAE

Poa bulbosa ssp. vivipara
© 2024 R.A. Chasey
Poa bulbosa ssp. vivipara
© 2024 Bruce Homer-Smith
Poa bulbosa ssp. vivipara
© 2022 John Rawlings

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

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

POACEAE

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

native
Shrub

ROSACEAE

Prunus fasciculata var. fasciculata
© 2012 Steve Matson
Prunus fasciculata var. fasciculata
© 2012 Steve Matson
Prunus fasciculata var. fasciculata
© 2015 Steve Matson

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff
Pseudognaphalium luteoalbum
© 2019 Diane Etchison
Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
© 2018 Gary McDonald
Quercus douglasii
© 2020 Charles Russell
Quercus douglasii
© 2019 Susan McDougall

Quercus john-tuckeri    Tucker oak,  Tucker's oak
native
Tree

FAGACEAE

Quercus john-tuckeri
© 2019 Richard Spjut
Quercus john-tuckeri
© 2015 Keir Morse
Quercus john-tuckeri
© 2019 Richard Spjut

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Ribes quercetorum    Foothill gooseberry,  Oak gooseberry,  Rock gooseberry
native
Shrub

GROSSULARIACEAE

Ribes quercetorum
© 2020 Susan McDougall
Ribes quercetorum
© 2016 Steve Matson
Ribes quercetorum
© 2020 Susan McDougall

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

Rigiopappus leptocladus
© 2021 Steve Laymon
Rigiopappus leptocladus
© 2021 Steve Laymon
Rigiopappus leptocladus
© 2022 John Rawlings

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

Sabulina douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

Sabulina douglasii
© 2022 Steve Matson
Sabulina douglasii
© 2019 Stacie Wolny
Sabulina douglasii
© 2021 R.A. Chasey

Sabulina pusilla    Annual Sandwort
native
Annual herb

CARYOPHYLLACEAE

Sabulina pusilla
© 2022 Ian Cain
Sabulina pusilla
© 2024 R.A. Chasey
Sabulina pusilla
© 2022 Ian Cain

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

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

Salix 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

Salsola tragus    Prickly russian thistle,  Russianthistle,  Tumbleweed
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola tragus
© 2017 Ron Vanderhoff
Salsola tragus
© 2018 Angelique Herman
Salsola tragus
© 2023 Cynthia Powell

Salvia carduacea    Thistle sage
native
Annual herb

LAMIACEAE

Salvia carduacea
© 2016 Steve Matson
Salvia carduacea
© 2016 Michael Mitchell
Salvia carduacea
© 2016 Michael Mitchell

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

Sambucus nigra ssp. caerulea    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus nigra ssp. caerulea
© 2021 Mike Russler
Sambucus nigra ssp. caerulea
© 2020 Diane Etchison
Sambucus nigra ssp. caerulea
© 2022 El Byrne

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

POACEAE

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

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

POACEAE

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

Senecio californicus    California butterweed,  California groundsel,  California ragwort
native
Annual herb

ASTERACEAE

Senecio californicus
© 2019 Diane Etchison
Senecio californicus
© 2023 Ron Vanderhoff
Senecio californicus
© 2022 Ron Vanderhoff

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

ASTERACEAE

Senecio flaccidus var. douglasii
© 2018 Richard Spjut
Senecio flaccidus var. douglasii
© 2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
© 2023 Helen Hancock

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

ASTERACEAE

Senecio vulgaris
© 2017 Barbara Boethling
Senecio vulgaris
© 2019 Ron Vanderhoff
Senecio vulgaris
© 2021 Toni Corelli

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

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

BRASSICACEAE

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

Sisymbrium irio    London rocket
invasive non-native
Annual herb

BRASSICACEAE

Sisymbrium irio
© 2022 Ron Vanderhoff
Sisymbrium irio
© 2022 Ron Vanderhoff
Sisymbrium irio
© 2022 Mike Russler

Sisymbrium orientale    Indian hedge mustard,  Oriental hedge mustard
non-native
Annual, Perennial herb

BRASSICACEAE

Sisymbrium orientale
© 2019 Diane Etchison
Sisymbrium orientale
© 2021 Paul Aigner
Sisymbrium orientale
© 2021 Ron Vanderhoff

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

SOLANACEAE

Solanum umbelliferum var. umbelliferum
© 2014 Steve Matson
Solanum umbelliferum var. umbelliferum
© 2014 Steve Matson
Solanum umbelliferum var. umbelliferum
© 2014 Steve Matson

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

ASTERACEAE

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

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

ASTERACEAE

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

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

Stanleya pinnata var. pinnata    Desert princesplume,  Prince's plume
native
Perennial herb, Shrub

BRASSICACEAE

Stanleya pinnata var. pinnata
© 2020 Steve Matson
Stanleya pinnata var. pinnata
© 2020 Steve Matson
Stanleya pinnata var. pinnata
© 2020 Steve Matson

Stephanomeria exigua ssp. coronaria    Milk aster,  White plume wirelettuce,  Whiteplume wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria exigua ssp. coronaria
© 2024 Mike Russler
Stephanomeria exigua ssp. coronaria
© 2024 Mike Russler
Stephanomeria exigua ssp. coronaria
© 2023 Ryan O'Dell

Stephanomeria pauciflora    Brownplume wirelettuce,  Desert straw,  Wire lettuce
native
Perennial herb

ASTERACEAE

Stephanomeria pauciflora
© 2015 Steve Matson
Stephanomeria pauciflora
© 2015 Steve Matson
Stephanomeria pauciflora
© 2015 Steve Matson

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

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
© 2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
© 2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
© 2018 Richard Spjut

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 speciosa    Desert needle grass
native
Perennial grass

POACEAE

Stipa speciosa
© 2011 Steve Matson
Stipa speciosa
© 2022 Steve Matson
Stipa speciosa
© 2022 Steve Matson

Streptanthus anceps    Lemmon's mustard
native
Annual herb

BRASSICACEAE

Streptanthus anceps
© 2006 Steve Matson
Streptanthus anceps
© 2006 Steve Matson
Streptanthus anceps
© 2006 Steve Matson

Streptanthus californicus    California jewelflower
rare native
Annual herb

BRASSICACEAE

Streptanthus californicus
© 2023 Mike Russler
Streptanthus californicus
© 2019 Adam Chasey
Streptanthus californicus
© 2023 Mike Russler

Streptanthus inflatus    Desert candle
native
Annual herb

BRASSICACEAE

Streptanthus inflatus
© 2020 Wendy Walker
Streptanthus inflatus
© 2020 David Greenberger
Streptanthus inflatus
© 2020 Don M. Davis

Streptanthus lasiophyllus    Small Tree-Mallow


Streptanthus lemmonii    Lemmon's jewelflower,  Lemmon's wild cabbage
rare native
Annual herb

BRASSICACEAE

Streptanthus lemmonii
© 2016 Craig Fiehler
Streptanthus lemmonii
© 2023 Ellen Uhler
Streptanthus lemmonii
© 2011 Dylan Neubauer

Stutzia covillei    Coville's orach
native
Annual herb

CHENOPODIACEAE

Stutzia covillei
© 2016 Steve Matson
Stutzia covillei
© 2016 Steve Matson
Stutzia covillei
© 2016 Steve Matson

Stylocline gnaphaloides    Everlasting nest straw,  Everlasting stylocline,  Mountain neststraw
native
Annual herb

ASTERACEAE

Stylocline gnaphaloides
© 2019 Diane Etchison
Stylocline gnaphaloides
© 2021 Ron Vanderhoff
Stylocline gnaphaloides
© 2021 Ron Vanderhoff

Suaeda nigra    Bush seepweed
native
Perennial herb

CHENOPODIACEAE

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

Tamarix ramosissima    Saltcedar,  Tamarisk
invasive non-native
Tree, Shrub

TAMARICACEAE

Tamarix ramosissima
© 2020 Ron Vanderhoff
Tamarix ramosissima
© 2017 Barbara Boethling
Tamarix ramosissima
© 2022 Ron Vanderhoff

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson
Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson
Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson

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

BRASSICACEAE

Thysanocarpus laciniatus
© 2021 Helen Hancock
Thysanocarpus laciniatus
© 2021 R.A. Chasey
Thysanocarpus laciniatus
© 2021 Helen Hancock

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

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

Trichostema ovatum    San joaquin bluecurls
rare native
Annual herb

LAMIACEAE

Trichostema ovatum
© 2020 John Game
Trichostema ovatum
© 2021 Mike Russler
Trichostema ovatum
© 2021 Mike Russler

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson

Trifolium bifidum var. bifidum    Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum var. bifidum
© 2020 Matt Berger
Trifolium bifidum var. bifidum
© 2020 Matt Berger
Trifolium bifidum var. bifidum
© 2020 Matt Berger

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Tropidocarpum gracile    Dobie pod,  Slender keel fruit,  Slender tropidocarpum
native
Annual herb

BRASSICACEAE

Tropidocarpum gracile
© 2014 Steve Matson
Tropidocarpum gracile
© 2014 Steve Matson
Tropidocarpum gracile
© 2014 Steve Matson

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
© 2020 Ron Vanderhoff
Typha domingensis
© 2020 Ron Vanderhoff
Typha domingensis
© 2023 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

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

VERBENACEAE

Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson
Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson
Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson

Vicia hassei    Hasse's vetch
native
Vine

FABACEAE

Vicia hassei
© 2023 R.A. Chasey
Vicia hassei
© 2016 Phil Johnson
Vicia hassei
© 2023 R.A. Chasey

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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

Zeltnera exaltata    Cancha lagua
native
Annual herb

GENTIANACEAE

Zeltnera exaltata
© 2016 Steve Matson
Zeltnera exaltata
© 2016 Steve Matson
Zeltnera exaltata
© 2023 Ron Vanderhoff