logo Calflora Illustrated Plant List 


San Luis Obispo County

David J. Keil  / CNPS-SLO  (2019-06-03)

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

NYCTAGINACEAE

Abronia pogonantha
2019 Matt Berger
Abronia pogonantha
2018 George Butterworth
Abronia pogonantha
2017 Adam Chasey

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

LAMIACEAE

Acanthomintha obovata ssp. cordata
2003 Christopher L. Christie
Acanthomintha obovata ssp. cordata
2016 Keir Morse
Acanthomintha obovata ssp. cordata
2016 Keir Morse

Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2019 Julie Hallett Horne

Acmispon brachycarpus    Short podded lotus
native
Annual herb

FABACEAE

Acmispon brachycarpus
2008 Keir Morse
Acmispon brachycarpus
2005 Steve Matson
Acmispon brachycarpus
2013 Jean Pawek

native
Annual herb

FABACEAE

Acmispon maritimus var. maritimus
2008 Keir Morse
Acmispon maritimus var. maritimus
2008 Keir Morse
Acmispon maritimus var. maritimus
2019 Mary Conway

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

Acmispon strigosus
2019 Gary McDonald
Acmispon strigosus
2019 Diane Etchison
Acmispon strigosus
2019 Gary McDonald

Acmispon wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

Acmispon wrangelianus
2018 Gary McDonald
Acmispon wrangelianus
2018 Gary McDonald
Acmispon wrangelianus
2018 Gary McDonald

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
2016 Debra L. Cook
Agoseris heterophylla var. cryptopleura
2012 Barry Rice
Agoseris heterophylla var. cryptopleura
2016 Debra L. Cook

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

ASTERACEAE

Agoseris retrorsa
2009 Keir Morse
Agoseris retrorsa
2009 Keir Morse
Agoseris retrorsa
2019 Ron Vanderhoff

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

SIMAROUBACEAE

Ailanthus altissima
2014 Dr. Amadej Trnkoczy
Ailanthus altissima
2013 Neal Kramer
Ailanthus altissima
2014 Dr. Amadej Trnkoczy

Allenrolfea occidentalis    Iodine bush,  Iodinebush
native
Shrub

CHENOPODIACEAE

Allenrolfea occidentalis
2009 Mary Winter
Allenrolfea occidentalis
2018 Matt Berger
Allenrolfea occidentalis
2009 Neal Kramer

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

ALLIACEAE

Allium diabolense
2012 Aaron Schusteff
Allium diabolense
2003 Barry Breckling
Allium diabolense
2012 Aaron Schusteff

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

ALLIACEAE

Allium howellii var. howellii
2015 Debra L. Cook
Allium howellii var. howellii
2016 Keir Morse
Allium howellii var. howellii
2016 Keir Morse

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

ALLIACEAE

Allium peninsulare var. peninsulare
2020 Belinda Lo
Allium peninsulare var. peninsulare
2019 Ron Vanderhoff
Allium peninsulare var. peninsulare
2020 Belinda Lo

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

Amaranthus albus
2006 Keir Morse
Amaranthus albus
2017 Angelique Herman
Amaranthus albus
2004 Penn Martin II

Ambrosia acanthicarpa    Annual bursage,  Annual burweed
native
Annual herb

ASTERACEAE

Ambrosia acanthicarpa
2009 Steve Matson
Ambrosia acanthicarpa
2013 Steve Matson
Ambrosia acanthicarpa
2009 Neal Kramer

native
Shrub

ASTERACEAE

Ambrosia salsola var. salsola
2004 James M. Andre
Ambrosia salsola var. salsola
2019 Susan McDougall
Ambrosia salsola var. salsola
2016 Keir Morse

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia intermedia
2020 Matt Berger
Amsinckia intermedia
Geoff Burleigh
Amsinckia intermedia
2014 Vertin Alvarez

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

BORAGINACEAE

Amsinckia menziesii
2019 Ron Vanderhoff
Amsinckia menziesii
2018 Gary McDonald
Amsinckia menziesii
2015 Jesse Rorabaugh

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

BORAGINACEAE

Amsinckia tessellata var. gloriosa
2013 Neal Kramer
Amsinckia tessellata var. gloriosa
2013 Neal Kramer
Amsinckia tessellata var. gloriosa
2019 Susan McDougall

Amsinckia vernicosa    Green fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia vernicosa
2017 Keir Morse
Amsinckia vernicosa
2018 Richard Spjut
Amsinckia vernicosa
2017 Keir Morse

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus
2009 Barry Rice
Ancistrocarphus filagineus
2020 Matt Berger
Ancistrocarphus filagineus
2008 Keir Morse

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

PRIMULACEAE

Androsace elongata ssp. acuta
2008 Aaron Schusteff
Androsace elongata ssp. acuta
2015 Keir Morse
Androsace elongata ssp. acuta
2015 Keir Morse

Anisocoma acaulis    Scale bud,  Scalebud
native
Annual herb

ASTERACEAE

Anisocoma acaulis
2019 Ron Vanderhoff
Anisocoma acaulis
2020 Matt Berger
Anisocoma acaulis
2019 Richard Spjut

Antirrhinum ovatum    Oval leaved snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum ovatum
2009 CNPS, San Luis Obispo Chapter
Antirrhinum ovatum
2013 Chris Winchell
Antirrhinum ovatum
2013 Chris Winchell

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

APIACEAE

Apiastrum angustifolium
2008 Keir Morse
Apiastrum angustifolium
2018 Ron Vanderhoff
Apiastrum angustifolium
2006 Keir Morse

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

ERICACEAE

Arctostaphylos glauca
2020 Angelique Herman
Arctostaphylos glauca
2018 Ron Vanderhoff
Arctostaphylos glauca
2020 Susan McDougall

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2018 Stacie Wolny
Artemisia douglasiana
2017 Alison Sheehey
Artemisia douglasiana
2016 Glen Schneider

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

ASTERACEAE

Artemisia dracunculus
2016 Joan Hampton
Artemisia dracunculus
2019 Ron Vanderhoff
Artemisia dracunculus
2008 Keir Morse

Asclepias erosa    Desert milkweed
native
Perennial herb

APOCYNACEAE

Asclepias erosa
2014 Keir Morse
Asclepias erosa
2003 James M. Andre
Asclepias erosa
2003 James M. Andre

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

FABACEAE

Astragalus didymocarpus var. didymocarpus
2011 Neal Kramer
Astragalus didymocarpus var. didymocarpus
2016 Neal Kramer
Astragalus didymocarpus var. didymocarpus
2010 Gary A. Monroe

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

FABACEAE

Astragalus douglasii var. douglasii
2012 Gary McDonald
Astragalus douglasii var. douglasii
2014 Neal Kramer
Astragalus douglasii var. douglasii
2017 Keir Morse

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

FABACEAE

Astragalus gambelianus
2020 Ron Vanderhoff
Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2019 Ron Vanderhoff

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
2020 David Greenberger
Astragalus lentiginosus var. nigricalycis
2019 Matt Berger

Astragalus macrodon    Salinas milk vetch,  Salinas milkvetch
native
Perennial herb

FABACEAE

Astragalus macrodon
2010 Neal Kramer
Astragalus macrodon
2010 Neal Kramer
Astragalus macrodon
2011 Chris Winchell

Astragalus oxyphysus    Stanislaus milkvetch
native
Perennial herb

FABACEAE

Astragalus oxyphysus
2020 David Greenberger
Astragalus oxyphysus
2020 Matt Berger
Astragalus oxyphysus
2014 Debra L. Cook

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

BRASSICACEAE

Athysanus pusillus
2008 Keir Morse
Athysanus pusillus
2019 Adam Chasey
Athysanus pusillus
2018 David popp

Athysanus unilateralis    Ladiestongue mustard
native
Annual herb

BRASSICACEAE

Athysanus unilateralis
2008 Aaron Schusteff
Athysanus unilateralis
2016 Neal Kramer
Athysanus unilateralis
2016 Neal Kramer

Atriplex argentea var. expansa    Mojave silverscale
native
Annual herb

CHENOPODIACEAE

Atriplex argentea var. expansa
2009 Neal Kramer
Atriplex argentea var. expansa
2009 Neal Kramer
Atriplex argentea var. expansa
2018 Hailey Laskey

Atriplex canescens var. canescens    Fourwing saltbush
native
Shrub

CHENOPODIACEAE

Atriplex canescens var. canescens
2009 Neal Kramer
Atriplex canescens var. canescens
1999 Larry Blakely
Atriplex canescens var. canescens
2015 Zoya Akulova

Atriplex confertifolia    Shadscale,  Spiny saltbush
native
Shrub

CHENOPODIACEAE

Atriplex confertifolia
2006 Heath McAllister
Atriplex confertifolia
2004 Heath McAllister
Atriplex confertifolia
2004 Heath McAllister

Atriplex covillei    Coville's orach
native
Annual herb

CHENOPODIACEAE

Atriplex covillei
© 2004 James M. Andre
Atriplex covillei
2011 Steve Matson
Atriplex covillei
2011 Steve Matson

Atriplex fruticulosa    Ball saltbush,  Valley saltbush
native
Perennial herb

CHENOPODIACEAE

Atriplex fruticulosa
2009 Zoya Akulova
Atriplex fruticulosa
2015 Debra L. Cook
Atriplex fruticulosa
2013 Neal Kramer

Atriplex lentiformis    Big saltbush
native
Shrub

CHENOPODIACEAE

Atriplex lentiformis
2019 Diane Etchison
Atriplex lentiformis
2020 R.A. Chasey
Atriplex lentiformis
2017 Ron Vanderhoff

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

CHENOPODIACEAE

Atriplex polycarpa
2005 Steve Matson
Atriplex polycarpa
2005 Steve Matson
Atriplex polycarpa
2018 Angelique Herman

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
2013 Neal Kramer
Atriplex spinifera
2020 David Greenberger
Atriplex spinifera
2005 Brent Miller

Atriplex vallicola    Lost hills crownscale
native
Annual herb

CHENOPODIACEAE

Atriplex vallicola
2010 Neal Kramer
Atriplex vallicola
2004 Robert E. Preston, Ph.D.
Atriplex vallicola
2006 Steve Matson

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

POACEAE

Avena barbata
2004 Carol W. Witham
Avena barbata
2009 Keir Morse
Avena barbata
2002 James B. Gratiot

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

POACEAE

Avena fatua
2008 Keir Morse
Avena fatua
2002 James B. Gratiot
Avena fatua
2008 Zoya Akulova

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2018 Cynthia Powell
Baccharis pilularis
2019 Talila Golan
Baccharis pilularis
2008 Gary McDonald

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

ASTERACEAE

Blennosperma nanum var. nanum
2020 Joerg Lohse
Blennosperma nanum var. nanum
2017 Adam Chasey
Blennosperma nanum var. nanum
2019 Chico Hiking Association

Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

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

Boechera pulchra    Beautiful rockcress
native
Perennial herb

BRASSICACEAE

Boechera pulchra
2001 Larry Blakely
Boechera pulchra
2017 John Doyen
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
2016 Ron Vanderhoff
Brickellia nevinii
2002 Hartmut Wisch
Brickellia nevinii
2019 Ron Vanderhoff

Bromus berteroanus    Chilean chess
non-native
Annual grass

POACEAE

Bromus berteroanus
2006 Steve Matson
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
2009 Neal Kramer
Bromus diandrus
1995 Saint Mary's College of California
Bromus diandrus
2020 Julie A. Kierstead

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

POACEAE

Bromus hordeaceus
2006 Brent Miller
Bromus hordeaceus
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald

Bromus madritensis ssp. rubens    Foxtail brome,  Foxtail chess,  Foxtail grass
invasive non-native
Annual grass

POACEAE

Bromus madritensis ssp. rubens
2008 Thomas Stoughton
Bromus madritensis ssp. rubens
2004 Carol W. Witham
Bromus madritensis ssp. rubens
2005 Steve Matson

Bromus rubens    Foxtail brome,  Foxtail chess,  Foxtail grass
invasive non-native
Annual grass

POACEAE

Bromus rubens
2008 Thomas Stoughton
Bromus rubens
2004 Carol W. Witham
Bromus rubens
2005 Steve Matson

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

POACEAE

Bromus tectorum
2008 Gary A. Monroe
Bromus tectorum
2019 Ron Vanderhoff
Bromus tectorum
2018 Sarah Inman

Calandrinia ciliata    Red maids
native
Annual herb

MONTIACEAE

Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2019 Ron Vanderhoff

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

Calandrinia menziesii
2019 Ron Vanderhoff
Calandrinia menziesii
2019 Ron Vanderhoff
Calandrinia menziesii
2019 Ron Vanderhoff

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
2010 Neal Kramer
Calochortus clavatus var. pallidus
2019 Gordon Jenkins
Calochortus clavatus var. pallidus
2007 Lynn Watson

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
2016 Keir Morse
Calochortus splendens
1998 Dean Wm. Taylor
Calochortus splendens
2009 Keir Morse

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus
Geoff Burleigh
Calochortus venustus
Geoff Burleigh
Calochortus venustus
2012 Zack Abbey

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

Calyptridium monandrum
2009 Keir Morse
Calyptridium monandrum
2004 James M. Andre
Calyptridium monandrum
2020 Ron Vanderhoff

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

ONAGRACEAE

Camissonia campestris ssp. campestris
2009 Keir Morse
Camissonia campestris ssp. campestris
2017 Adam Chasey
Camissonia campestris ssp. campestris
2005 Aaron Schusteff

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

ONAGRACEAE

Camissonia contorta
2009 Keir Morse
Camissonia contorta
2014 Jean Pawek
Camissonia contorta
2009 Keir Morse

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

ONAGRACEAE

Camissonia strigulosa
2011 Jorg & Mimi Fleige
Camissonia strigulosa
2015 Diane Etchison
Camissonia strigulosa
2015 Diane Etchison

Camissoniopsis hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis hirtella
2019 Ron Vanderhoff
Camissoniopsis hirtella
2015 John Doyen
Camissoniopsis hirtella
2019 Ken Hickman

Camissoniopsis ignota    Jurupa hills sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis ignota
2012 Jake Ruygt
Camissoniopsis ignota
2011 Jean Pawek
Camissoniopsis ignota
2014 Jean Pawek

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis micrantha
2019 Susan McDougall
Camissoniopsis micrantha
2009 Neal Kramer
Camissoniopsis micrantha
2014 Diane Etchison

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

BRASSICACEAE

Capsella bursa-pastoris
2007 Carol W. Witham
Capsella bursa-pastoris
2019 Cynthia Powell
Capsella bursa-pastoris
2019 Cynthia Powell

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

CYPERACEAE

Carex douglasii
2009 Steve Matson
Carex douglasii
2003 Steve Matson
Carex douglasii
2000 Larry Blakely

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

OROBANCHACEAE

Castilleja attenuata
2018 Tim Lewis
Castilleja attenuata
2018 Chico Hiking Association
Castilleja attenuata
2007 Carol W. Witham

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

OROBANCHACEAE

Castilleja brevistyla
2009 Keir Morse
Castilleja brevistyla
2015 Debra L. Cook
Castilleja brevistyla
2015 Debra L. Cook

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
2017 Keir Morse
Castilleja exserta ssp. exserta
2018 Gary McDonald

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
native
Perennial herb (hemiparasitic)

OROBANCHACEAE

Castilleja plagiotoma
2012 Neal Kramer
Castilleja plagiotoma
2012 Neal Kramer
Castilleja plagiotoma
2011 Neal Kramer

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

OROBANCHACEAE

Castilleja subinclusa
2010 Larry Beckerman
Castilleja subinclusa
2013 Neal Kramer
Castilleja subinclusa
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
2012 Gary McDonald
Centaurea melitensis
2019 Arlee Montalvo

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

ASTERACEAE

Centaurea solstitialis
2004 Carol W. Witham
Centaurea solstitialis
2019 Arlee Montalvo
Centaurea solstitialis
2008 Luigi Rignanese

Centromadia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

Centromadia pungens ssp. pungens
2010 Zoya Akulova
Centromadia pungens ssp. pungens
2007 Neal Kramer
Centromadia pungens ssp. pungens
2011 Neal Kramer

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

POLYGONACEAE

Centrostegia thurberi
2015 Michael Charters
Centrostegia thurberi
2016 Keir Morse
Centrostegia thurberi
2006 James M. Andre

Chaenactis fremontii    Fremont pincushion,  Pincushion flower
native
Annual herb

ASTERACEAE

Chaenactis fremontii
2019 Matt Berger
Chaenactis fremontii
2019 Aaron Echols
Chaenactis fremontii
2013 Mellisa Yin

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

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

ASTERACEAE

Chaenactis glabriuscula var. megacephala
2009 Barry Breckling
Chaenactis glabriuscula var. megacephala
2011 Neal Kramer
Chaenactis glabriuscula var. megacephala
2009 Barry Breckling

Chaenactis stevioides    Desert pincushion,  Esteve pincushion
native
Annual herb

ASTERACEAE

Chaenactis stevioides
2019 Matt Berger
Chaenactis stevioides
2019 Matt Berger
Chaenactis stevioides
2019 Matt Berger

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

ASTERACEAE

Chaenactis xantiana
2010 James M. Andre
Chaenactis xantiana
2011 Neal Kramer
Chaenactis xantiana
2019 Matt Berger

Chamaesyce ocellata    Contura creek spurge
native
Annual herb

EUPHORBIACEAE

Chamaesyce ocellata
© 2005 George W. Hartwell
Chamaesyce ocellata
2015 Barry Breckling
Chamaesyce ocellata
2015 Barry Breckling

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
2019 Diane Etchison
Chenopodium californicum
2015 Eric LoPresti
Chenopodium californicum
2008 Keir Morse

Chorispora tenella    Crossflower
invasive non-native
Annual herb

BRASSICACEAE

Chorispora tenella
2008 Gary A. Monroe
Chorispora tenella
2015 Debra L. Cook
Chorispora tenella
2008 Gary A. Monroe

Chorizanthe spinosa    Mojave spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe spinosa
2011 Benjamin Smith
Chorizanthe spinosa
2012 Neal Kramer
Chorizanthe spinosa
2019 Matt Berger

Chorizanthe uniaristata    One awn spineflower,  Oneawn spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe uniaristata
2010 Neal Kramer
Chorizanthe uniaristata
2009 Keir Morse
Chorizanthe uniaristata
2005 Keir Morse

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

POLYGONACEAE

Chorizanthe watsonii
2020 Steve Matson
Chorizanthe watsonii
2020 Steve Matson
Chorizanthe watsonii
2020 Steve Matson

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

POLYGONACEAE

Chorizanthe xanti var. xanti
2012 Terrence Gosliner
Chorizanthe xanti var. xanti
2005 Brent Miller
Chorizanthe xanti var. xanti
2013 Neal Kramer

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
2012 Neal Kramer

Clarkia purpurea ssp. quadrivulnera    Purple clarkia,  Purple godetia,  Winecup clarkia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
2019 Joe Engelbrecht
Clarkia purpurea ssp. quadrivulnera
2020 Steve Laymon
Clarkia purpurea ssp. quadrivulnera
2018 Ron Vanderhoff

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

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2020 Steve Laymon
Clarkia unguiculata
2020 David Wolfson

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

MONTIACEAE

Claytonia exigua ssp. exigua
2003 James B. Gratiot
Claytonia exigua ssp. exigua
2008 Neal Kramer
Claytonia exigua ssp. exigua
2014 John Doyen

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

MONTIACEAE

Claytonia parviflora ssp. parviflora
2017 Gary McDonald
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
2014 Keir Morse
Claytonia parviflora ssp. viridis
2013 Katherine Vittum

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

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
2018 Ken Lunders
Claytonia perfoliata ssp. perfoliata
2019 Chico Hiking Association
Claytonia perfoliata ssp. perfoliata
2019 Gary McDonald

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

PLANTAGINACEAE

Collinsia bartsiifolia var. davidsonii
2009 Keir Morse
Collinsia bartsiifolia var. davidsonii
2005 Christopher L. Christie
Collinsia bartsiifolia var. davidsonii
2005 Christopher L. Christie

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla
2019 Jacob Smith
Collinsia heterophylla
2019 David Greenberger
Collinsia heterophylla
2019 Jacob Smith

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

CONVOLVULACEAE

Convolvulus arvensis
2005 Steve Matson
Convolvulus arvensis
2018 Troy Dean Torres
Convolvulus arvensis
2019 Ron Vanderhoff

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
2018 Ron Vanderhoff
Corethrogyne filaginifolia
2019 Bonnie Nickel
Corethrogyne filaginifolia
2019 stephen rosenthal

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
2019 Hailey Laskey
Cressa truxillensis
2010 James M. Andre
Cressa truxillensis
2016 Angelique Herman

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setiger
2018 Rachelle Gray
Croton setiger
2019 Robin Street-Morris
Croton setiger
2014 Richard Chasey

Cryptantha barbigera var. barbigera    Bearded cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha barbigera var. barbigera
2012 Keir Morse
Cryptantha barbigera var. barbigera
2011 Neal Kramer
Cryptantha barbigera var. barbigera
2012 Keir Morse

Cryptantha circumscissa    Cushion cryptantha,  Western forget me not
native
Annual herb

BORAGINACEAE

Cryptantha circumscissa
2006 Chris Wagner, SBNF
Cryptantha circumscissa
2010 James M. Andre
Cryptantha circumscissa
2016 Keir Morse

Cryptantha corollata    Coast range cryptantha
native
Annual herb

BORAGINACEAE


Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff

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

BORAGINACEAE

Cryptantha micromeres
2009 Neal Kramer
Cryptantha micromeres
2011 Steve Matson
Cryptantha micromeres
2009 Neal Kramer

Cryptantha muricata var. jonesii    Jones' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha muricata var. jonesii
2010 Jordan Zylstra
Cryptantha muricata var. jonesii
2018 David popp
Cryptantha muricata var. jonesii
2010 Jordan Zylstra

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha nevadensis var. rigida    Rigid cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha nevadensis var. rigida
2008 Steve Matson
Cryptantha nevadensis var. rigida
2008 Steve Matson
Cryptantha nevadensis var. rigida
2011 Neal Kramer

Cryptantha oxygona    Sharp nut cryptantha,  Sharpnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha oxygona
2011 Steve Matson
Cryptantha oxygona
2020 Matt Berger
Cryptantha oxygona
2020 Matt Berger

Cryptantha pterocarya var. pterocarya    Wingnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha pterocarya var. pterocarya
2010 James M. Andre
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
2010 Vernon Smith
Cuscuta californica var. californica
2017 David popp
Cuscuta californica var. californica
2010 Neal Kramer

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

CONVOLVULACEAE

Cuscuta occidentalis
2009 Keir Morse
Cuscuta occidentalis
2017 Belinda Lo
Cuscuta occidentalis
2018 Adam Chasey

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

SOLANACEAE

Datura wrightii
2019 Robin Street-Morris
Datura wrightii
2019 Ron Vanderhoff
Datura wrightii
2005 Deborah Dozier

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
2019 Diane Etchison
Daucus pusillus
2014 Gary McDonald
Daucus pusillus
2014 Gary McDonald

Deinandra pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2015 Richard Spellenberg

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

RANUNCULACEAE

Delphinium gypsophilum
2005 Christopher L. Christie
Delphinium gypsophilum
2012 Neal Kramer
Delphinium gypsophilum
2019 Diane Etchison

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

RANUNCULACEAE

Delphinium parishii ssp. pallidum
2003 Lynn Watson
Delphinium parishii ssp. pallidum
2003 Hartmut Wisch
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
2018 Gary McDonald
Delphinium parryi ssp. parryi
2018 Gary McDonald
Delphinium parryi ssp. parryi
2009 Barry Breckling

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
native
Perennial herb

RANUNCULACEAE

Delphinium recurvatum
2008 Aaron Schusteff
Delphinium recurvatum
2015 Debra L. Cook
Delphinium recurvatum
2015 Debra L. Cook

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides
2004 Carol W. Witham
Deschampsia danthonioides
2007 Carol W. Witham
Deschampsia danthonioides
2008 Keir Morse

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata ssp. brachycarpa
© 2016 Keir Morse
Descurainia pinnata ssp. brachycarpa
2019 Susan McDougall
Descurainia pinnata ssp. brachycarpa
2016 Keir Morse

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

BRASSICACEAE

Descurainia sophia
2009 Thomas Stoughton
Descurainia sophia
2015 Debra L. Cook
Descurainia sophia
2009 Thomas Stoughton

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

POACEAE

Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2005 Steve Matson

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
2019 Ron Vanderhoff
Dudleya lanceolata
2019 Ron Vanderhoff
Dudleya lanceolata
2019 Ron Vanderhoff

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

ASTERACEAE

Eastwoodia elegans
2005 Christopher L. Christie
Eastwoodia elegans
2010 Neal Kramer

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
2006 Tom Annese
Elymus multisetus
2016 Ron Vanderhoff
Elymus multisetus
2006 Tom Annese

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

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

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

BORAGINACEAE

Emmenanthe penduliflora var. penduliflora
2018 Ron Vanderhoff
Emmenanthe penduliflora var. penduliflora
2015 Barry Thomson
Emmenanthe penduliflora var. penduliflora
2014 Ruth Ann Pearsons

Encelia actoni    Acton encelia
native
Shrub

ASTERACEAE

Encelia actoni
2005 Brent Miller
Encelia actoni
1999 Larry Blakely
Encelia actoni
2019 Cynthia Powell

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

EPHEDRACEAE

Ephedra californica
2014 Debra L. Cook
Ephedra californica
2019 Diane Etchison
Ephedra californica
2004 James M. Andre

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

EPHEDRACEAE

Ephedra viridis
2013 Jean Pawek
Ephedra viridis
2019 Belinda Lo
Ephedra viridis
2008 Neal Kramer

Epilobium campestre    Smooth boisduvalia
native
Annual herb

ONAGRACEAE

Epilobium campestre
1993 Robert E. Preston, Ph.D.
Epilobium campestre
2015 Neal Kramer
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
2007 Neal Kramer
Epilobium canum ssp. canum
2018 Ron Vanderhoff

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

ONAGRACEAE

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

Eremalche exilis    White mallow
native
Annual herb

MALVACEAE

Eremalche exilis
2006 James M. Andre
Eremalche exilis
2012 Neal Kramer
Eremalche exilis
2017 Amelia Ryan

native
Annual herb

MALVACEAE

Eremalche parryi ssp. kernensis
2020 David Greenberger
Eremalche parryi ssp. kernensis
2010 Aaron Schusteff
Eremalche parryi ssp. kernensis
2019 Angelique Herman

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

MALVACEAE

Eremalche parryi ssp. parryi
2019 Dee Shea Himes
Eremalche parryi ssp. parryi
2016 Debra L. Cook
Eremalche parryi ssp. parryi
2020 David Greenberger

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
2017 Bonnie Nickel

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
native
Annual herb

POLEMONIACEAE

Eriastrum hooveri
2016 John Doyen
Eriastrum hooveri
2016 John Doyen
Eriastrum hooveri
2016 Steven Thorsted

Eriastrum pluriflorum ssp. sherman-hoytiae    Many flowered eriastrum
native
Annual herb

POLEMONIACEAE

Eriastrum pluriflorum ssp. sherman-hoytiae
2011 Aaron Schusteff
Eriastrum pluriflorum ssp. sherman-hoytiae
2012 Neal Kramer

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

ASTERACEAE

Ericameria linearifolia
2012 Gary McDonald
Ericameria linearifolia
2013 Neal Kramer
Ericameria linearifolia
2019 Wendy Walker

Ericameria nauseosa var. hololeuca    Common rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. hololeuca
2009 James M. Andre
Ericameria nauseosa var. hololeuca
2012 Steve Matson
Ericameria nauseosa var. hololeuca
2014 John Doyen

Ericameria nauseosa var. mohavensis    Mojave rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. mohavensis
2009 Ryan Gilmore
Ericameria nauseosa var. mohavensis
2014 Neal Kramer
Ericameria nauseosa var. mohavensis
2015 Neal Kramer

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Erigeron canadensis
2005 Luigi Rignanese
Erigeron canadensis
2018 Matthew Chaney
Erigeron canadensis
2016 John Doyen

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

ASTERACEAE

Erigeron foliosus var. foliosus
2011 Dean Wm. Taylor, Ph.D.
Erigeron foliosus var. foliosus
2007 Neal Kramer
Erigeron foliosus var. foliosus
2014 Steve Matson

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

ASTERACEAE

Erigeron foliosus var. stenophyllus
2011 Dean Wm. Taylor, Ph.D.
Erigeron foliosus var. stenophyllus
2007 Neal Kramer
Erigeron foliosus var. stenophyllus
2014 Steve Matson

Eriogonum angulosum    Angled stem buckwheat,  Anglestem buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum angulosum
2009 Keir Morse
Eriogonum angulosum
2005 Christopher L. Christie
Eriogonum angulosum
2009 Aaron Schusteff

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

POLYGONACEAE

Eriogonum baileyi var. baileyi
2005 Steve Matson
Eriogonum baileyi var. baileyi
2014 John Doyen
Eriogonum baileyi var. baileyi
2013 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
2011 Neal Kramer
Eriogonum clavatum
2011 Neal Kramer
Eriogonum clavatum
2011 Neal Kramer

Eriogonum covilleanum    Coville's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum covilleanum
2015 John Doyen
Eriogonum covilleanum
2010 Neal Kramer
Eriogonum covilleanum
2010 Neal Kramer

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
2009 Keir Morse

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
2005 Christopher L. Christie
Eriogonum fasciculatum var. polifolium
2004 James M. Andre
Eriogonum fasciculatum var. polifolium
2010 Steve Matson

Eriogonum gossypinum    Cottony buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gossypinum
2019 James Bailey
Eriogonum gossypinum
2019 James Bailey
Eriogonum gossypinum
2005 Robert E. Preston, Ph.D.

Eriogonum gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracile
2010 Vernon Smith
Eriogonum gracile
2018 Stacie Wolny
Eriogonum gracile
2018 Stacie Wolny

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

POLYGONACEAE

Eriogonum gracillimum
2005 Michelle Cloud-Hughes
Eriogonum gracillimum
2013 Aaron Schusteff
Eriogonum gracillimum
2004 Michelle Cloud-Hughes

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 indictum    Naked buckwheat,  Protruding buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum indictum
2009 Neal Kramer
Eriogonum indictum
2005 Robert E. Preston, Ph.D.
Eriogonum indictum
2014 George Butterworth

Eriogonum maculatum    Angle stermed buckwheat,  Spotted buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum maculatum
2005 Steve Matson
Eriogonum maculatum
2019 Diane Etchison
Eriogonum maculatum
2011 George Butterworth

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

POLYGONACEAE

Eriogonum nudum var. indictum
2009 Neal Kramer
Eriogonum nudum var. indictum
2005 Robert E. Preston, Ph.D.
Eriogonum nudum var. indictum
2014 George Butterworth

Eriogonum ordii    Fort mojave buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum ordii
2016 Steve Matson
Eriogonum ordii
2016 Steve Matson
Eriogonum ordii
2016 Steve Matson

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum roseum
2003 Christopher L. Christie
Eriogonum roseum
2011 Neal Kramer
Eriogonum roseum
2019 Matt Berger

Eriogonum temblorense    Temblor buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum temblorense
2010 Chris Winchell
Eriogonum temblorense
2010 Chris Winchell

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum viridescens
2015 Keir Morse
Eriogonum viridescens
2015 Keir Morse
Eriogonum viridescens
2010 Neal Kramer

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

ASTERACEAE

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

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

ASTERACEAE

Eriophyllum multicaule
2020 David Wolfson
Eriophyllum multicaule
2008 Keir Morse
Eriophyllum multicaule
2017 Adonis Tate

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

ASTERACEAE

Eriophyllum pringlei
2006 Steve Matson
Eriophyllum pringlei
2003 Christopher L. Christie
Eriophyllum pringlei
2020 Bryant Baker

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

GERANIACEAE

Erodium cicutarium
2016 Keir Morse
Erodium cicutarium
2020 Julia Markey
Erodium cicutarium
2019 Diane Etchison

Erodium macrophyllum    Round leaved filaree
native
Annual herb

GERANIACEAE

Erodium macrophyllum
2016 Robert Sikora
Erodium macrophyllum
2009 Andrew Borcher
Erodium macrophyllum
2013 Neal Kramer

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

GERANIACEAE

Erodium moschatum
2012 Neal Kramer
Erodium moschatum
2018 Ron Vanderhoff
Erodium moschatum
2007 Luigi Rignanese

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

GERANIACEAE

Erodium texanum
2005 James M. Andre
Erodium texanum
2017 Diane Etchison
Erodium texanum
2004 Robert Sivinski

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. capitatum
2008 Keir Morse
Erysimum capitatum var. capitatum
2008 Keir Morse
Erysimum capitatum var. capitatum
2020 Susan McDougall

Erythranthe androsacea    Androsace monkeyflower
native
Annual herb

PHRYMACEAE

Erythranthe androsacea
2009 Keir Morse
Erythranthe androsacea
2019 Matt Berger
Erythranthe androsacea
2009 Keir Morse

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

PHRYMACEAE

Erythranthe guttata
2019 Stacie Wolny
Erythranthe guttata
2019 Chico Hiking Association
Erythranthe guttata
2015 James Gonsman

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

PAPAVERACEAE

Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
2014 Zoya Akulova
Eschscholzia californica
2009 Barry Rice
Eschscholzia californica
2019 Cynthia Powell

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

PAPAVERACEAE

Eschscholzia hypecoides
2004 Keir Morse
Eschscholzia hypecoides
2004 Keir Morse
Eschscholzia hypecoides
2004 Keir Morse

native
Annual herb

PAPAVERACEAE

Eschscholzia lemmonii ssp. lemmonii
2011 Neal Kramer
Eschscholzia lemmonii ssp. lemmonii
2019 Adam Chasey
Eschscholzia lemmonii ssp. lemmonii
2011 Neal Kramer

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

BORAGINACEAE

Eucrypta chrysanthemifolia var. chrysanthemifolia
2008 Keir Morse
Eucrypta chrysanthemifolia var. chrysanthemifolia
2008 Keir Morse
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
2015 Diane Etchison

Euphorbia ocellata    Contura creek spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia ocellata
© 2005 George W. Hartwell
Euphorbia ocellata
2015 Barry Breckling
Euphorbia ocellata
2015 Barry Breckling

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
2014 Neal Kramer
Euphorbia spathulata
2015 John Doyen
Euphorbia spathulata
2008 Keir Morse

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
2008 Keir Morse
Festuca microstachys
2004 Robert E. Preston, Ph.D.
Festuca microstachys
2011 Steve Matson

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
2015 Gary McDonald
Festuca myuros
2013 Al Keuter
Festuca myuros
2013 Al Keuter

Festuca octoflora    Sixweeks grass
native
Annual grass

POACEAE

Festuca octoflora
2009 Neal Kramer
Festuca octoflora
2013 Robert Steers/NPS
Festuca octoflora
2005 Steve Matson

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

FRANKENIACEAE

Frankenia salina
2019 Patrick Furtado
Frankenia salina
2006 Steve Matson
Frankenia salina
2019 Diane Etchison

Fritillaria agrestis    Stinkbells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria agrestis
2014 Neal Kramer
Fritillaria agrestis
2015 George Butterworth
Fritillaria agrestis
2016 George Butterworth

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

LILIACEAE

Fritillaria biflora var. biflora
2008 Andrew Borcher
Fritillaria biflora var. biflora
2020 David Greenberger
Fritillaria biflora var. biflora
2018 Michael Mitchell

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

RUBIACEAE

Galium andrewsii
2018 Gary McDonald
Galium andrewsii
2019 Marisa Persaud
Galium andrewsii
2012 Gary McDonald

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

RUBIACEAE

Galium angustifolium ssp. angustifolium
2009 Keir Morse
Galium angustifolium ssp. angustifolium
2012 Aaron Arthur
Galium angustifolium ssp. angustifolium
2013 Keir Morse

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

RUBIACEAE

Galium aparine
2020 Ron Vanderhoff
Galium aparine
2008 Gary McDonald
Galium aparine
2020 Ron Vanderhoff

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens
2020 Diane Etchison
Garrya flavescens
2020 Diane Etchison
Garrya flavescens
2016 Keir Morse

native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. achilleifolia
2009 Keir Morse
Gilia achilleifolia ssp. achilleifolia
2003 Christopher L. Christie
Gilia achilleifolia ssp. achilleifolia
2018 Steven Perry

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
2019 Ken Hickman
Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald

Gilia jacens    Nevada gilia
native
Annual herb

POLEMONIACEAE

Gilia jacens
2010 Aaron Schusteff
Gilia jacens
2010 Aaron Schusteff

Gilia latiflora ssp. cuyamensis    Cuyama gilia,  Hollyleaf gilia
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
2010 Aaron Schusteff
Gilia latiflora ssp. davyi
2005 Steve Matson

Gilia malior    Scrub gilia
native
Annual herb

POLEMONIACEAE

Gilia malior
2006 James M. Andre
Gilia malior
2017 John Doyen
Gilia malior
2016 John Doyen

Gilia minor    Little gilia
native
Annual herb

POLEMONIACEAE

Gilia minor
2017 John Doyen
Gilia minor
2005 Michael Charters
Gilia minor
2005 Michael Charters

Gilia ochroleuca ssp. minima    Volcanic gilia
native
Annual herb

POLEMONIACEAE

Gilia ochroleuca ssp. minima
2008 Michael Charters
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
native
Annual herb

POLEMONIACEAE


Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre
2019 Ron Vanderhoff
Gnaphalium palustre
2019 Ron Vanderhoff
Gnaphalium palustre
2019 Ron Vanderhoff

Grayia spinosa    Hop sage,  Spiny hopsage
native
Shrub

CHENOPODIACEAE

Grayia spinosa
2019 Susan McDougall
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
2008 Keir Morse
Gutierrezia californica
2010 Neal Kramer
Gutierrezia californica
2018 Ron Vanderhoff

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

BORAGINACEAE

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

non-native
Annual herb

CARYOPHYLLACEAE

Herniaria hirsuta var. cinerea
2003 Keir Morse
Herniaria hirsuta var. cinerea
2011 Aaron Schusteff
Herniaria hirsuta var. cinerea
2003 Keir Morse

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Hesperoyucca whipplei
2019 Ron Vanderhoff
Hesperoyucca whipplei
2020 Julia Markey
Hesperoyucca whipplei
Geoff Burleigh

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

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2005 Michael Charters

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
2008 Neal Kramer

Hollisteria lanata    False spikeflower,  False spineflower
native
Annual herb

POLYGONACEAE

Hollisteria lanata
2009 Aaron Schusteff
Hollisteria lanata
2017 James Bailey
Hollisteria lanata
2010 Neal Kramer

Holocarpha heermannii    Heermann's tarweed
native
Annual herb

ASTERACEAE

Holocarpha heermannii
2017 Richard Spjut
Holocarpha heermannii
2019 R.A. Chasey
Holocarpha heermannii
2019 R.A. Chasey

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

POACEAE

Hordeum depressum
2008 Vince Scheidt
Hordeum depressum
2011 Steve Matson
Hordeum depressum
2008 Vince Scheidt

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

POACEAE

Hordeum murinum ssp. leporinum
2009 Keir Morse
Hordeum murinum ssp. leporinum
2010 Neal Kramer
Hordeum murinum ssp. leporinum
2008 Zoya Akulova

Hornungia procumbens    Prostrate hutchinsia
non-native

BRASSICACEAE

Hornungia procumbens
2010 Steve Matson
Hornungia procumbens
2010 Steve Matson
Hornungia procumbens
1987 Dean Wm. Taylor

Isocoma acradenia var. bracteosa    Bracted alkali goldenbush
native
Shrub

ASTERACEAE

Isocoma acradenia var. bracteosa
2010 Neal Kramer
Isocoma acradenia var. bracteosa
2014 Neal Kramer
Isocoma acradenia var. bracteosa
2014 Neal Kramer

Juncus balticus ssp. ater    Baltic rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
2018 Ron Vanderhoff
Juncus balticus ssp. ater
2015 Steve Matson

native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. bufonius
2004 James M. Andre
Juncus bufonius var. bufonius
2019 Ron Vanderhoff
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
2017 Ron Vanderhoff

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

Juniperus californica
2005 James M. Andre
Juniperus californica
2019 Patrick Furtado
Juniperus californica
2017 Gary McDonald

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

PLANTAGINACEAE

Keckiella breviflora var. breviflora
2019 Matt Berger
Keckiella breviflora var. breviflora
2012 Terrence Gosliner
Keckiella breviflora var. breviflora
2017 Rebecca Schoenenberger

Krascheninnikovia lanata    Winter fat,  Winterfat
native
Shrub

CHENOPODIACEAE

Krascheninnikovia lanata
2010 Malia Volke
Krascheninnikovia lanata
2020 David Greenberger
Krascheninnikovia lanata
2018 Matt Berger

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
1996 Doreen L. Smith
Lagophylla ramosissima
2011 Chris Winchell
Lagophylla ramosissima
2005 Michael Charters

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

LAMIACEAE

Lamium amplexicaule
2020 Jennifer Mo
Lamium amplexicaule
2015 Diane Etchison
Lamium amplexicaule
2003 Michael Charters

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

Lastarriaea coriacea
2017 Ron Vanderhoff
Lastarriaea coriacea
2018 Ron Vanderhoff
Lastarriaea coriacea
2017 Ron Vanderhoff

Lasthenia debilis    Greene's goldfields
native
Annual herb

ASTERACEAE

Lasthenia debilis
2014 Aaron Arthur
Lasthenia debilis
2019 Susan McDougall
Lasthenia debilis
2019 Susan McDougall

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

Lasthenia gracilis
2014 Keir Morse
Lasthenia gracilis
2010 Barry Breckling
Lasthenia gracilis
2017 John Doyen

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

ASTERACEAE

Lasthenia microglossa
2008 Keir Morse
Lasthenia microglossa
2016 Neal Kramer
Lasthenia microglossa
2015 Debra L. Cook

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

ASTERACEAE

Lasthenia minor
2005 George W. Hartwell
Lasthenia minor
2015 Susan McDougall
Lasthenia minor
2005 Doreen L. Smith

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

ASTERACEAE

Layia glandulosa
2016 James Gonsman
Layia glandulosa
2017 Alison Sheehey
Layia glandulosa
2009 Keir Morse

Layia heterotricha    Pale yellow layia,  Paleyellow tidytips
native
Annual herb

ASTERACEAE

Layia heterotricha
2015 Keir Morse
Layia heterotricha
2018 Sarah Termondt
Layia heterotricha
2015 Keir Morse

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
2015 Amy Rapport
Layia platyglossa
2018 Amy Rapport
Layia platyglossa
2011 Neal Kramer

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

Lepidium dictyotum
2009 Zoya Akulova
Lepidium dictyotum
2009 California State University, Stanislaus
Lepidium dictyotum
2012 Jean Pawek

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

BRASSICACEAE

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

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

ASTERACEAE

Lepidospartum squamatum
2018 Diane Etchison
Lepidospartum squamatum
2002 Hartmut Wisch
Lepidospartum squamatum
2019 Aaron Echols

Leptosiphon bicolor    True babystars
native
Annual herb

POLEMONIACEAE

Leptosiphon bicolor
2008 Steve Conger
Leptosiphon bicolor
2019 Chico Hiking Association
Leptosiphon bicolor
2011 Neal Kramer

Leptosiphon liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Leptosiphon liniflorus
2015 Debra L. Cook
Leptosiphon liniflorus
2009 Genevieve K. Walden
Leptosiphon liniflorus
2020 Aaron Sunshine

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon parviflorus
2019 Ken Lunders
Leptosiphon parviflorus
2020 Ron Vanderhoff
Leptosiphon parviflorus
2016 Ron Vanderhoff

Leptosyne bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

Leptosyne bigelovii
2019 Diane Etchison
Leptosyne bigelovii
2020 John L. Thompson
Leptosyne bigelovii
2019 Diane Etchison

Leptosyne calliopsidea    Leafy stemmed coreopsis
native
Annual herb

ASTERACEAE

Leptosyne calliopsidea
2006 Larry Blakely
Leptosyne calliopsidea
2006 Larry Blakely
Leptosyne calliopsidea
2020 David Greenberger

Lessingia glandulifera    Valley lessingia,  Valley vinegar weed
native
Annual herb

ASTERACEAE

Lessingia glandulifera
2003 Michael Charters
Lessingia glandulifera
2004 James M. Andre
Lessingia glandulifera
2009 James M. Andre

Linanthus bigelovii    Bigelow's linanthus
native
Annual herb

POLEMONIACEAE

Linanthus bigelovii
2006 James M. Andre
Linanthus bigelovii
2006 James M. Andre
Linanthus bigelovii
2011 Jean Pawek

native
Annual herb

POLEMONIACEAE

Linanthus dichotomus ssp. dichotomus
2015 John Doyen
Linanthus dichotomus ssp. dichotomus
2012 Tim Kellison
Linanthus dichotomus ssp. dichotomus
2019 Jacob Smith

Lithophragma affine    Common woodland star,  San francisco woodland star,  Woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
2020 Mary Conway
Lithophragma affine
2018 Hector Borjas
Lithophragma affine
2015 Ken Lunders

Lithophragma cymbalaria    Mission star,  Mission woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma cymbalaria
2020 Bryant Baker
Lithophragma cymbalaria
2020 Bryant Baker
Lithophragma cymbalaria
2014 Steve Matson

Loeflingia squarrosa    Spreading loeflingia,  Spreading pygmyleaf
native
Annual herb

CARYOPHYLLACEAE

Loeflingia squarrosa
2008 Keir Morse
Loeflingia squarrosa
2016 John Doyen
Loeflingia squarrosa
2008 Keir Morse

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

POLEMONIACEAE

Loeseliastrum schottii
2020 David Greenberger
Loeseliastrum schottii
2006 Steve Matson
Loeseliastrum schottii
2008 Neal Kramer

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

Logfia filaginoides
2017 Robert Steers
Logfia filaginoides
2019 Matt Berger
Logfia filaginoides
2015 Diane Etchison

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
2013 Keir Morse
Logfia gallica
2013 Keir Morse
Logfia gallica
2017 Barbara Boethling

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Chico Hiking Association

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

APIACEAE

Lomatium mohavense
2009 Larry Blakely
Lomatium mohavense
2019 Diane Etchison
Lomatium mohavense
2005 James M. Andre

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

APIACEAE

Lomatium utriculatum
2007 Lynn Watson
Lomatium utriculatum
2015 Debra L. Cook
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
2018 Gary McDonald
Lonicera subspicata var. denudata
2019 Diane Etchison

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

FABACEAE

Lupinus albifrons var. albifrons
2008 Keir Morse
Lupinus albifrons var. albifrons
2020 Susan McDougall
Lupinus albifrons var. albifrons
2020 Susan McDougall

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

FABACEAE

Lupinus bicolor
2019 Gary McDonald
Lupinus bicolor
2018 Stacie Wolny
Lupinus bicolor
2019 Ron Vanderhoff

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

FABACEAE

Lupinus concinnus
2016 Ron Vanderhoff
Lupinus concinnus
2017 Aaron Echols
Lupinus concinnus
2019 Ron Vanderhoff

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

FABACEAE

Lupinus microcarpus var. microcarpus
2003 George W. Hartwell
Lupinus microcarpus var. microcarpus
2015 Zoya Akulova
Lupinus microcarpus var. microcarpus
2006 Steve Matson

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

FABACEAE

Lupinus sparsiflorus
2019 Diane Etchison
Lupinus sparsiflorus
2010 James M. Andre
Lupinus sparsiflorus
2010 Neal Kramer

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

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2009 Barry Rice

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

SOLANACEAE

Lycium andersonii
2020 David Greenberger
Lycium andersonii
2003 Michael Charters
Lycium andersonii
2011 James M. Andre

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
2020 Amy Rapport
Madia elegans
2017 Michelle Bosch
Madia elegans
2018 Amy Rapport

Madia radiata    Golden madia,  Showy madia
native
Annual herb

ASTERACEAE

Madia radiata
2010 Neal Kramer
Madia radiata
2016 George Butterworth
Madia radiata
2016 George Butterworth

Malacothrix californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

Malacothrix californica
Geoff Burleigh
Malacothrix californica
2008 Keir Morse
Malacothrix californica
Geoff Burleigh

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

ASTERACEAE

Malacothrix clevelandii
2008 Keir Morse
Malacothrix clevelandii
2011 Neal Kramer
Malacothrix clevelandii
2009 Robert Steers

Malacothrix coulteri    Snake's head
native
Annual herb

ASTERACEAE

Malacothrix coulteri
2003 Barry Breckling
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
2020 Kevin Janicki

Malacothrix glabrata    Desert dandelion,  Smooth desertdandelion
native
Annual herb

ASTERACEAE

Malacothrix glabrata
2019 Diane Etchison
Malacothrix glabrata
2017 Leah Gardner
Malacothrix glabrata
2019 Susan McDougall

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

ASTERACEAE

Malacothrix saxatilis var. commutata
2003 Christopher L. Christie
Malacothrix saxatilis var. commutata
2003 Christopher L. Christie
Malacothrix saxatilis var. commutata
2003 Christopher L. Christie

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

Malva parviflora
2019 Sean Carey
Malva parviflora
2012 Neal Kramer
Malva parviflora
2015 Jesse Rorabaugh

Malvella leprosa    Alkali mallow
native
Perennial herb

MALVACEAE

Malvella leprosa
2019 Diane Etchison
Malvella leprosa
2004 James M. Andre
Malvella leprosa
2019 Bonnie Nickel

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabacea
2016 Glen Schneider
Marah fabacea
2018 Gary McDonald
Marah fabacea
2018 Gary McDonald

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2019 Aaron Echols
Marrubium vulgare
©2013 Gary McDonald
Marrubium vulgare
©2013 Gary McDonald

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

Matricaria discoidea
2019 Diane Etchison
Matricaria discoidea
2019 Chico Hiking Association
Matricaria discoidea
2008 Thomas Stoughton

Matricaria occidentalis    Valley mayweed
native
Annual herb

ASTERACEAE

Matricaria occidentalis
2010 Zoya Akulova
Matricaria occidentalis
1999 Dean Wm. Taylor
Matricaria occidentalis
2014 Neal Kramer

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
2017 Neal Kramer
Melica californica
2011 Barry Breckling
Melica californica
2008 Zoya Akulova

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

POACEAE

Melica imperfecta
2009 Keir Morse
Melica imperfecta
2014 Steve Matson
Melica imperfecta
2019 Ron Vanderhoff

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

Melilotus indicus
2009 Barry Breckling
Melilotus indicus
2005 Cheri Miller
Melilotus indicus
2009 Neal Kramer

Mentzelia affinis    Yellow blazing star,  Yellow comet,  Yellowcomet
native
Annual herb

LOASACEAE

Mentzelia affinis
2020 David Greenberger
Mentzelia affinis
2013 Aaron Schusteff
Mentzelia affinis
2010 Neal Kramer

Mentzelia congesta    Clustered blazing star,  United blazingstar
native
Annual herb

LOASACEAE

Mentzelia congesta
2006 Steve Matson
Mentzelia congesta
2006 Steve Matson
Mentzelia congesta
2006 Steve Matson

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

LOASACEAE

Mentzelia gracilenta
2019 Matt Berger
Mentzelia gracilenta
2019 Matt Berger
Mentzelia gracilenta
2019 Mary Conway

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

LOASACEAE

Mentzelia pectinata
2005 Steve Matson
Mentzelia pectinata
2019 Marisa Persaud
Mentzelia pectinata
2019 Marisa Persaud

Mentzelia veatchiana    Veatch's blazing star
native
Annual herb

LOASACEAE

Mentzelia veatchiana
2006 Chris Wagner, SBNF
Mentzelia veatchiana
2003 Christopher L. Christie
Mentzelia veatchiana
2019 Diane Etchison

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

ASTERACEAE

Microseris campestris
2007 Carol W. Witham
Microseris campestris
2011 Christopher Bronny

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

ASTERACEAE

Microseris douglasii ssp. douglasii
2019 John Rawlings
Microseris douglasii ssp. douglasii
2008 Keir Morse
Microseris douglasii ssp. douglasii
2012 Neal Kramer

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
2019 Matt Berger
Microsteris gracilis
2016 Jim Moore
Microsteris gracilis
2019 Matt Berger

Mimulus androsaceus    Androsace monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus androsaceus
2009 Keir Morse
Mimulus androsaceus
2019 Matt Berger
Mimulus androsaceus
2009 Keir Morse

Mimulus guttatus    Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Mimulus guttatus
2019 Stacie Wolny
Mimulus guttatus
2019 Chico Hiking Association
Mimulus guttatus
2015 James Gonsman

Minuartia douglasii    Douglas' sandwort,  Douglas' stitchwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia douglasii
2005 Steve Matson
Minuartia douglasii
2015 Barry Thomson
Minuartia douglasii
2014 Keir Morse

Minuartia pusilla    Annual sandwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia pusilla
2008 Keir Morse
Minuartia pusilla
2008 Keir Morse
Minuartia pusilla
2008 Keir Morse

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

NYCTAGINACEAE

Mirabilis laevis var. crassifolia
2020 David Greenberger
Mirabilis laevis var. crassifolia
2018 Ron Vanderhoff
Mirabilis laevis var. crassifolia
2010 Thomas Stoughton

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
native
Annual herb

ASTERACEAE

Monolopia congdonii
2019 Matt Berger
Monolopia congdonii
2020 David Greenberger
Monolopia congdonii
2010 Neal Kramer

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

Monolopia lanceolata
2020 David Greenberger
Monolopia lanceolata
2005 Brent Miller
Monolopia lanceolata
2011 Rebecca Wenk

Monolopia stricta    Crum's monolopia
native
Annual herb

ASTERACEAE

Monolopia stricta
2020 Matt Berger
Monolopia stricta
2020 David Greenberger
Monolopia stricta
2009 California State University, Stanislaus

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

Mucronea perfoliata
2003 Christopher L. Christie
Mucronea perfoliata
2009 Neal Kramer
Mucronea perfoliata
2015 Keir Morse

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

Muilla maritima
2014 Debra L. Cook
Muilla maritima
2003 Michael Charters
Muilla maritima
2003 Michael Charters

Nama californicum    California fiddleleaf
native
Annual herb

BORAGINACEAE

Nama californicum
2008 Steve Matson
Nama californicum
2015 John Doyen
Nama californicum
2015 John Doyen

Navarretia mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mitracarpa
2011 Chris Winchell
Navarretia mitracarpa
2005 Aaron Schusteff
Navarretia mitracarpa
2009 Keir Morse

Nemacladus californicus    Mojave dwarf
native
Annual herb

CAMPANULACEAE

Nemacladus californicus
Donald Myrick1999 California Academy of Sciences
Nemacladus californicus
2019 Aaron Schusteff
Nemacladus californicus
2019 Aaron Schusteff

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

Nemophila menziesii
2019 Matt Berger
Nemophila menziesii
2018 James Gonsman
Nemophila menziesii
2020 Mary Conway

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

BORAGINACEAE

Nemophila pulchella var. fremontii
2008 Keir Morse
Nemophila pulchella var. fremontii
2008 Keir Morse

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

Nicotiana quadrivalvis
2015 Debra L. Cook
Nicotiana quadrivalvis
2012 Ron Wolf
Nicotiana quadrivalvis
2016 Steven M Norris

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
2014 Stephen Rosenthal
Papaver heterophyllum
2007 Neal Kramer

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

BORAGINACEAE

Pectocarya linearis ssp. ferocula
2010 Neal Kramer
Pectocarya linearis ssp. ferocula
2001 Steven Thorsted
Pectocarya linearis ssp. ferocula
2019 Ron Vanderhoff

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

BORAGINACEAE

Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2017 James Bailey

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

BORAGINACEAE

Pectocarya setosa
2008 Neal Kramer
Pectocarya setosa
2010 James M. Andre
Pectocarya setosa
2009 Keir Morse

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2015 James Gonsman
Pellaea andromedifolia
2008 Keir Morse
Pellaea andromedifolia
2018 Gary McDonald

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

Penstemon centranthifolius
2003 Christopher L. Christie
Penstemon centranthifolius
2002 Lynn Watson
Penstemon centranthifolius
2009 Keir Morse

Pentachaeta fragilis    Fragile pygmy daisy,  Fragile pygmydaisy
native
Annual herb

ASTERACEAE

Pentachaeta fragilis
2017 Neal Kramer
Pentachaeta fragilis
2017 Neal Kramer
Pentachaeta fragilis
2017 Neal Kramer

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
2019 Ron Vanderhoff
Pentagramma triangularis ssp. triangularis
2008 Keir Morse
Pentagramma triangularis ssp. triangularis
2019 Ron Vanderhoff

Perideridia pringlei    Adobe yampah
native
Perennial herb

APIACEAE

Perideridia pringlei
2012 Neal Kramer
Perideridia pringlei
2019 Angelique Herman
Perideridia pringlei
2019 Richard Spjut

Peritoma arborea    Bladderpod
native
Shrub

CLEOMACEAE

Peritoma arborea
2018 Thomas Egan
Peritoma arborea
2016 Steven M Norris
Peritoma arborea
2015 Jesse Rorabaugh

Phacelia affinis    Limestone phacelia,  Purple bell phacelia
native
Annual herb

BORAGINACEAE

Phacelia affinis
2005 James M. Andre
Phacelia affinis
2015 Keir Morse
Phacelia affinis
2015 Keir Morse

Phacelia cicutaria var. hispida    Caterpillar phacelia
native
Annual herb

BORAGINACEAE

Phacelia cicutaria var. hispida
2019 Bonnie Nickel
Phacelia cicutaria var. hispida
2015 Steven M Norris
Phacelia cicutaria var. hispida
2019 Diane Etchison

Phacelia ciliata    Great valley phacelia
native
Annual herb

BORAGINACEAE

Phacelia ciliata
2015 Debra L. Cook
Phacelia ciliata
2020 Susan White
Phacelia ciliata
2010 Neal Kramer

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

BORAGINACEAE

Phacelia distans
2020 Ron Vanderhoff
Phacelia distans
2019 Diane Etchison
Phacelia distans
2008 Keir Morse

Phacelia douglasii var. douglasii    Douglas' phacelia
native
Annual herb

BORAGINACEAE

Phacelia douglasii var. douglasii
2011 Dylan Neubauer
Phacelia douglasii var. douglasii
2011 Dylan Neubauer
Phacelia douglasii var. douglasii
2014 RT Hawke

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

BORAGINACEAE

Phacelia egena
2009 Irene Lindsey
Phacelia egena
2014 Julie Kierstead Nelson
Phacelia egena
2019 Ramona Robison

Phacelia fremontii    Fremont's phacelia
native
Annual herb

BORAGINACEAE

Phacelia fremontii
2014 Steve Conger
Phacelia fremontii
2006 Steve Matson
Phacelia fremontii
2019 Diane Etchison

Phacelia imbricata ssp. imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata ssp. imbricata
2008 Neal Kramer
Phacelia imbricata ssp. imbricata
2020 R.A. Chasey
Phacelia imbricata ssp. imbricata
2014 James Gonsman

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

BORAGINACEAE

Phacelia tanacetifolia
2019 Susan McDougall
Phacelia tanacetifolia
2020 David Greenberger
Phacelia tanacetifolia
2010 Neal Kramer

Phacelia vallis-mortae    Death valley phacelia
native
Annual herb

BORAGINACEAE

Phacelia vallis-mortae
2010 Steve Matson
Phacelia vallis-mortae
2011 Steve Matson
Phacelia vallis-mortae
2012 Genevieve K. Walden

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

BORAGINACEAE

Pholistoma membranaceum
2004 James M. Andre
Pholistoma membranaceum
2005 Aaron Schusteff
Pholistoma membranaceum
2014 Debra L. Cook

Phoradendron densum    Bollean mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron densum
2009 John W. Wall
Phoradendron densum
2020 Susan McDougall
Phoradendron densum
2014 Neal Kramer

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum
2018 Susan McDougal
Phoradendron villosum
2019 Ron Vanderhoff

Pilularia americana    American pillwort
native
Fern

MARSILEACEAE

Pilularia americana
2017 Ron Vanderhoff
Pilularia americana
2017 Ron Vanderhoff
Pilularia americana
2004 Carol W. Witham

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

PINACEAE

Pinus monophylla
2018 Diane Etchison
Pinus monophylla
2019 Matt Berger
Pinus monophylla
2019 Ron Vanderhoff

Plagiobothrys acanthocarpus    Adobe allocarya,  Adobe popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys acanthocarpus
2019 Ron Vanderhoff
Plagiobothrys acanthocarpus
2017 James Bailey
Plagiobothrys acanthocarpus
2019 Michael Mitchell

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

BORAGINACEAE

Plagiobothrys canescens
2004 Laura Ann Eliassen
Plagiobothrys canescens
2004 George W. Hartwell
Plagiobothrys canescens
2008 Keir Morse

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
2008 Keir Morse
Plagiobothrys tenellus
2014 Jean Pawek
Plagiobothrys tenellus
2008 Steve Matson

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

PLANTAGINACEAE

Plantago erecta
2007 Carol W. Witham
Plantago erecta
2008 Margo Bors
Plantago erecta
2008 Neal Kramer

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Matt Berger
Platystemon californicus
2018 Karen Scheuermann
Platystemon californicus
2007 Neal Kramer

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
2016 Bill Thiessen
Plectritis ciliosa
2018 Japhia Huhndorf
Plectritis ciliosa
2009 Keir Morse

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

VALERIANACEAE

Plectritis macrocera
2019 Gary McDonald
Plectritis macrocera
2019 Gary McDonald
Plectritis macrocera
2019 Gary McDonald

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

POACEAE

Poa bulbosa ssp. vivipara
© 2015 John Doyen
Poa bulbosa ssp. vivipara
2015 Richard Chasey
Poa bulbosa ssp. vivipara
2015 John Doyen

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

POACEAE

Poa secunda ssp. secunda
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo

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

POACEAE

Polypogon monspeliensis
2007 Neal Kramer
Polypogon monspeliensis
2006 Steve Matson
Polypogon monspeliensis
2006 Luigi Rignanese

native
Shrub

ROSACEAE

Prunus fasciculata var. fasciculata
2008 Steve Matson
Prunus fasciculata var. fasciculata
2008 Steve Matson
Prunus fasciculata var. fasciculata
2019 Bonnie Nickel

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Pseudognaphalium luteoalbum
2008 Gary McDonald
Pseudognaphalium luteoalbum
2008 Jorg Fleige
Pseudognaphalium luteoalbum
2016 Richard Spellenberg

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
2020 Ryan Carle
Pseudognaphalium stramineum
2017 Diane Etchison
Pseudognaphalium stramineum
2009 Neal Kramer

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2020 Dick Rawson
Pterostegia drymarioides
2018 Ron Vanderhoff
Pterostegia drymarioides
2020 Dick Rawson

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2019 Susan McDougall
Quercus douglasii
2015 Jean B Henney
Quercus douglasii
2018 Gary McDonald

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

FAGACEAE

Quercus john-tuckeri
2011 Neal Kramer
Quercus john-tuckeri
2016 James Gonsman
Quercus john-tuckeri
2015 Keir Morse

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
2017 Amy Rapport
Rafinesquia californica
2018 Adam Chasey
Rafinesquia californica
2020 stephen rosenthal

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
2015 stephen rosenthal
Rhamnus ilicifolia
2016 James Gonsman
Rhamnus ilicifolia
2020 Susan McDougall

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

GROSSULARIACEAE

Ribes quercetorum
2020 Susan McDougall
Ribes quercetorum
2006 Keir Morse
Ribes quercetorum
2020 Susan McDougall

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

Rigiopappus leptocladus
2008 Keir Morse
Rigiopappus leptocladus
2011 Neal Kramer
Rigiopappus leptocladus
2005 Keir Morse

Rumex hymenosepalus    Canaigre dock,  Wild rhubarb
native
Perennial herb

POLYGONACEAE

Rumex hymenosepalus
2017 Aaron Echols
Rumex hymenosepalus
2019 Dee Shea Himes
Rumex hymenosepalus
2017 Adam Chasey

Sabulina douglasii    Douglas' sandwort,  Douglas' stitchwort
native
Annual herb

CARYOPHYLLACEAE

Sabulina douglasii
2005 Steve Matson
Sabulina douglasii
2015 Barry Thomson
Sabulina douglasii
2014 Keir Morse

Sabulina pusilla    Annual sandwort
native
Annual herb

CARYOPHYLLACEAE

Sabulina pusilla
2008 Keir Morse
Sabulina pusilla
2008 Keir Morse
Sabulina pusilla
2008 Keir Morse

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. hindsiana
2015 Neal Kramer
Salix exigua var. hindsiana
2017 Angelique Herman
Salix exigua var. hindsiana
2014 Zoya Akulova

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

SALICACEAE

Salix gooddingii
2013 Neal Kramer
Salix gooddingii
2020 Susan McDougall
Salix gooddingii
2020 Susan McDougall

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

CHENOPODIACEAE

Salsola tragus
2016 John Doyen
Salsola tragus
2017 Ron Vanderhoff
Salsola tragus
2016 Steven Thorsted

Salvia carduacea    Thistle sage
native
Annual herb

LAMIACEAE

Salvia carduacea
2005 Michelle Cloud-Hughes
Salvia carduacea
2019 Julia Gardner Harencar
Salvia carduacea
2020 David Greenberger

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
2020 Ron Vanderhoff
Salvia columbariae
2019 Gary McDonald
Salvia columbariae
2019 Gary McDonald

Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla
2015 Steven M Norris
Salvia leucophylla
2016 John Doyen
Salvia leucophylla
2019 Janith Johnson

Sambucus nigra ssp. caerulea    Blue elderberry
native
Shrub

ADOXACEAE

Sambucus nigra ssp. caerulea
2019 Bryant Baker
Sambucus nigra ssp. caerulea
2018 Julie Kierstead Nelson
Sambucus nigra ssp. caerulea
2019 Michael Morrison

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

POACEAE

Schismus arabicus
2001 Joe DiTomaso
Schismus arabicus
2011 Michael O'Brien
Schismus arabicus
2001 Joe DiTomaso

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

POACEAE

Schismus barbatus
2001 Joe DiTomaso
Schismus barbatus
2001 Joe DiTomaso
Schismus barbatus
2018 Birgit Knorr

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

ASTERACEAE

Senecio californicus
2019 Diane Etchison
Senecio californicus
2017 David Wolfson
Senecio californicus
2019 Diane Etchison

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

ASTERACEAE

Senecio flaccidus var. douglasii
2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
2007 Neal Kramer
Senecio flaccidus var. douglasii
2018 Richard Spjut

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

ASTERACEAE

Senecio vulgaris
2005 Steve Matson
Senecio vulgaris
2019 Ron Vanderhoff
Senecio vulgaris
2020 Chico Hiking Association

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
2011 Neal Kramer

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

BRASSICACEAE

Sisymbrium altissimum
2008 Thomas Stoughton
Sisymbrium altissimum
2008 Thomas Stoughton
Sisymbrium altissimum
2010 Jean Pawek

Sisymbrium irio    London rocket
invasive non-native
Annual herb

BRASSICACEAE

Sisymbrium irio
2006 Richard Zmasek
Sisymbrium irio
2007 Luigi Rignanese
Sisymbrium irio
2010 Zoya Akulova

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

BRASSICACEAE

Sisymbrium orientale
2014 Robert F Norris
Sisymbrium orientale
2014 Robert F Norris
Sisymbrium orientale
2009 Phil Pullen

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

SOLANACEAE

Solanum umbelliferum var. umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum var. umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum var. umbelliferum
2020 Ryan Carle

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

ASTERACEAE

Sonchus asper ssp. asper
2013 Debra L. Cook
Sonchus asper ssp. asper
2015 Robert Sikora
Sonchus asper ssp. asper
2019 Dean Taylor

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
2016 Andrew Longman

Spergularia marina    Salt marsh sand spurry
native
Annual herb

CARYOPHYLLACEAE

Spergularia marina
2012 Robert Sikora
Spergularia marina
2014 Neal Kramer
Spergularia marina
2005 Luigi Rignanese

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

BRASSICACEAE

Stanleya pinnata var. pinnata
2005 James M. Andre
Stanleya pinnata var. pinnata
2011 Tony Morosco
Stanleya pinnata var. pinnata
2019 Matt Berger

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

ASTERACEAE

Stephanomeria exigua ssp. coronaria
2013 Robert Sikora
Stephanomeria exigua ssp. coronaria
2014 Ron Wolf
Stephanomeria exigua ssp. coronaria
2015 Zoya Akulova

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

ASTERACEAE

Stephanomeria pauciflora
2010 Neal Kramer
Stephanomeria pauciflora
2010 Neal Kramer
Stephanomeria pauciflora
2019 Marisa Persaud

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

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
2008 Keir Morse
Stephanomeria virgata ssp. pleurocarpa
2016 Glen Schneider
Stephanomeria virgata ssp. pleurocarpa
2018 Richard Spjut

Stipa cernua    Nodding needle grass
native
Perennial grass

POACEAE

Stipa cernua
2013 Christopher Bronny
Stipa cernua
2020 Keir Morse
Stipa cernua
2013 Christopher Bronny

Stipa speciosa    Desert needle grass
native
Perennial grass

POACEAE

Stipa speciosa
2003 James M. Andre
Stipa speciosa
2019 Lynn Sweet
Stipa speciosa
2018 Liz Block

Streptanthus anceps    Lemmon's mustard
native
Annual herb

BRASSICACEAE

Streptanthus anceps
2011 Dylan Neubauer
Streptanthus anceps
2011 Jean Pawek
Streptanthus anceps
2019 Zack Abbey

Streptanthus californicus    California jewelflower
native
Annual herb

BRASSICACEAE

Streptanthus californicus
2020 Mitchell Coleman
Streptanthus californicus
2014 Jordan Zylstra
Streptanthus californicus
2013 Neal Kramer

Streptanthus inflatus    Desert candle
native
Annual herb

BRASSICACEAE

Streptanthus inflatus
2007 Michelle Cloud-Hughes
Streptanthus inflatus
2010 Neal Kramer
Streptanthus inflatus
2017 Adam Chasey

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

BRASSICACEAE

Streptanthus lemmonii
2020 David Greenberger
Streptanthus lemmonii
2011 Dylan Neubauer
Streptanthus lemmonii
2014 Chris Winchell

Stutzia covillei    Coville's orach
native
Annual herb

CHENOPODIACEAE

Stutzia covillei
© 2004 James M. Andre
Stutzia covillei
2011 Steve Matson
Stutzia covillei
2011 Steve Matson

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

ASTERACEAE

Stylocline gnaphaloides
2008 Keir Morse
Stylocline gnaphaloides
2009 Neal Kramer
Stylocline gnaphaloides
2020 Bonnie Nickel

Suaeda nigra    Bush seepweed
native
Perennial herb

CHENOPODIACEAE

Suaeda nigra
2015 Zoya Akulova
Suaeda nigra
2006 Steven Perkins
Suaeda nigra
2015 Zoya Akulova

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

TAMARICACEAE

Tamarix ramosissima
2017 Barbara Boethling
Tamarix ramosissima
2000 Joe DiTomaso
Tamarix ramosissima
2000 Joe DiTomaso

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
2019 Matt Berger
Thysanocarpus curvipes ssp. curvipes
2018 Zoya Akulova
Thysanocarpus curvipes ssp. curvipes
2020 R.A. Chasey

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

BRASSICACEAE

Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
2019 Patrick Furtado
Trichostema lanceolatum
2018 Ron Vanderhoff
Trichostema lanceolatum
2016 Nathan Mudry

Trichostema ovatum    San joaquin bluecurls
native
Annual herb

LAMIACEAE

Trichostema ovatum
2020 John Game
Trichostema ovatum
2012 Neal Kramer
Trichostema ovatum
2012 Neal Kramer

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum
2010 Jorg Fleige & Mimi Fleige
Trifolium albopurpureum
2011 Jorg & Mimi Fleige
Trifolium albopurpureum
2013 Zoya Akulova

Trifolium bifidum var. bifidum    Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum var. bifidum
2013 Zoya Akulova
Trifolium bifidum var. bifidum
2020 Matt Berger
Trifolium bifidum var. bifidum
2009 Aaron Schusteff

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
2015 Debra L. Cook
Trifolium depauperatum var. truncatum
2015 Debra L. Cook
Trifolium depauperatum var. truncatum
2004 Carol W. Witham

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

FABACEAE

Trifolium gracilentum
2006 Doreen L. Smith
Trifolium gracilentum
2008 Zoya Akulova
Trifolium gracilentum
2008 Zoya Akulova

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2025 Kim Cabrera
Trifolium willdenovii
2018 Stacie Wolny
Trifolium willdenovii
2020 Ron Vanderhoff

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

BRASSICACEAE

Tropidocarpum gracile
2008 Keir Morse
Tropidocarpum gracile
2019 Susan McDougall
Tropidocarpum gracile
2017 Gary McDonald

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
2018 Neal Kramer
Typha domingensis
2013 Neal Kramer
Typha domingensis
2013 Susan McDougall

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
2019 Zack Abbey
Uropappus lindleyi
2018 Ron Vanderhoff
Uropappus lindleyi
2017 Diane Etchison

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

VERBENACEAE

Verbena lasiostachys var. lasiostachys
2018 Gary McDonald
Verbena lasiostachys var. lasiostachys
2019 Mary Conway
Verbena lasiostachys var. lasiostachys
2018 Mary Conway

Vicia hassei    Hasse's vetch
native
Vine

FABACEAE

Vicia hassei
2004 Aaron Schusteff
Vicia hassei
2011 Jorg Fleige
Vicia hassei
2004 Aaron Schusteff

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

Yabea microcarpa
2008 Keir Morse
Yabea microcarpa
2008 Keir Morse
Yabea microcarpa
2008 Keir Morse

Zeltnera exaltata    Cancha lagua
native
Annual herb

GENTIANACEAE

Zeltnera exaltata
2016 Steve Matson
Zeltnera exaltata
2012 James M. Andre
Zeltnera exaltata
2010 Anna Bennett