logo Calflora Illustrated Plant List 

Carrizo Plain Preserve
San Luis Obispo County

The Nature Conservancy  (1995-01-01)

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

NYCTAGINACEAE

Abronia pogonantha
2018 George Butterworth
Abronia pogonantha
2018 George Butterworth
Abronia pogonantha
2017 Adam Chasey

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2017 Diane Etchison
Achillea millefolium
2018 Gary McDonald
Achillea millefolium
2019 Margot Cunningham

Achnatherum speciosum    Desert needle grass
native
Perennial grass

POACEAE

Achnatherum speciosum
2003 James M. Andre
Achnatherum speciosum
2011 Steve Matson
Achnatherum speciosum
1983 Dean Wm. Taylor

Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2018 Gary McDonald

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
2005 George W. Hartwell
Adiantum jordanii
2006 Steve Matson
Adiantum jordanii
2019 Ron Vanderhoff

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 crispum    Crinkled onion
native
Perennial herb (bulb)

ALLIACEAE

Allium crispum
2018 Gary McDonald
Allium crispum
2019 David Greenberger
Allium crispum
2017 Joe Engelbrecht

Allium fimbriatum    Fringed onion,  Wild onion
native
Perennial herb (bulb)

ALLIACEAE

Allium fimbriatum
2003 Dianne Fristrom
Allium fimbriatum
2017 Amy Rapport
Allium fimbriatum
2009 Keir Morse

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

ALLIACEAE

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

Allium lacunosum    Pitted onion
native
Perennial herb (bulb)

ALLIACEAE

Allium lacunosum
1995 Dianne Fristrom
Allium lacunosum
2018 Eliezer Margolis
Allium lacunosum
2019 MCOSD Restoration Crew

Allium peninsulare    Mexicali onion
native
Perennial herb (bulb)

ALLIACEAE

Allium peninsulare
2019 Ron Vanderhoff
Allium peninsulare
2019 Diane Etchison
Allium peninsulare
2019 Diane Etchison

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

Amsinckia douglasiana    Douglas' fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia douglasiana
2013 Chris Winchell
Amsinckia douglasiana
2013 Chris Winchell
Amsinckia douglasiana
2013 Chris Winchell

Amsinckia lycopsoides    Bugloss fiddleneck,  Tarweed fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia lycopsoides
2011 Jorg & Mimi Fleige
Amsinckia lycopsoides
2004 George W. Hartwell
Amsinckia lycopsoides
2012 Gary A. Monroe

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
2018 James Gonsman
Amsinckia menziesii var. intermedia
2018 Ken Lunders
Amsinckia menziesii var. intermedia
2014 Diane Etchison

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

BORAGINACEAE

Amsinckia menziesii var. menziesii
2019 Ron Vanderhoff
Amsinckia menziesii var. menziesii
2018 Gary McDonald
Amsinckia menziesii var. menziesii
2012 Neal Kramer

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

BORAGINACEAE

Amsinckia tessellata
2003 James M. Andre
Amsinckia tessellata
2019 Susan McDougall
Amsinckia tessellata
2010 Aaron Schusteff

Amsinckia vernicosa var. furcata    Forked fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia vernicosa var. furcata
2017 Keir Morse
Amsinckia vernicosa var. furcata
2017 Keir Morse
Amsinckia vernicosa var. furcata
2017 Adam Chasey

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus
2008 Keir Morse
Ancistrocarphus filagineus
2008 Keir Morse
Ancistrocarphus filagineus
2009 Barry Rice

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
2019 Richard Spjut
Anisocoma acaulis
2003 James M. Andre

Antirrhinum ovatum    Oval leaved snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum ovatum
2009 CNPS, San Luis Obispo Chapter
Antirrhinum ovatum
2009 CNPS, San Luis Obispo Chapter

Arabis pulchra    Beautiful rockcress
native
Perennial herb

BRASSICACEAE

Arabis pulchra
2001 Larry Blakely
Arabis pulchra
2012 Sangeet Khalsa
Arabis pulchra
2012 Steve Matson

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

ERICACEAE

Arctostaphylos glauca
2015 Kelli Kallenborn
Arctostaphylos glauca
2018 Ron Vanderhoff
Arctostaphylos glauca
2018 Ron Vanderhoff

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

ASTERACEAE

Artemisia californica
2019 Diane Etchison
Artemisia californica
2018 James Gonsman
Artemisia californica
2003 Margo Bors

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

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

Asclepias fascicularis    Mexican whorled milkweed,  Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
2018 Ron Vanderhoff
Asclepias fascicularis
2017 Gary McDonald
Asclepias fascicularis
2019 Ron Vanderhoff

Aster sp.   


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

FABACEAE

Astragalus asymmetricus
2015 John Doyen
Astragalus asymmetricus
2011 Jorg & Mimi Fleige
Astragalus asymmetricus
2017 John Doyen

Astragalus didymocarpus    Dwarf white milk vetch,  Two seeded milkvetch
native
Annual herb

FABACEAE

Astragalus didymocarpus
2005 James M. Andre
Astragalus didymocarpus
2012 Neal Kramer
Astragalus didymocarpus
2019 David Wolfson

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
2017 John Doyen
Astragalus lentiginosus var. nigricalycis
2012 Neal Kramer

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    Mt.Diablo milk vetch
native
Perennial herb

FABACEAE

Astragalus oxyphysus
2005 Brent Miller
Astragalus oxyphysus
2009 Neal Kramer
Astragalus oxyphysus
2015 John Doyen

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

Atriplex argentea    Silver saltweed,  Silverscale saltbush
native
Annual herb

CHENOPODIACEAE

Atriplex argentea
2003 George W. Hartwell
Atriplex argentea
2009 Neal Kramer
Atriplex argentea
2009 Zoya Akulova

Atriplex canescens    Fourwing saltbush,  Hoary saltbush,  Shadscale
native
Shrub

CHENOPODIACEAE

Atriplex canescens
2018 Ron Vanderhoff
Atriplex canescens
2001 Thomas M. Elder, M.D.
Atriplex canescens
2016 James Gonsman

Atriplex confertifolia    Shadscale,  Spiny saltbush
native
Shrub

CHENOPODIACEAE

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

Atriplex coronata    Crownscale
native
Annual herb

CHENOPODIACEAE

Atriplex coronata
2010 Chris Winchell
Atriplex coronata
1994 Robert E. Preston, Ph.D.
Atriplex coronata
1994 Robert E. Preston, Ph.D.

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
2017 Ron Vanderhoff
Atriplex lentiformis
2018 Ron Vanderhoff

Atriplex phyllostegia    Coville's orach
native
Annual herb

CHENOPODIACEAE

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

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 rosea    Redscale,  Tumbling oracle,  Tumbling saltweed
non-native
Annual herb

CHENOPODIACEAE

Atriplex rosea
2009 Neal Kramer
Atriplex rosea
2015 Zoya Akulova
Atriplex rosea
2009 Sheli Wingo

Atriplex spinifera    Mojave saltbush,  Spinescale saltbush
native
Shrub

CHENOPODIACEAE

Atriplex spinifera
2013 Neal Kramer
Atriplex spinifera
2005 Brent Miller
Atriplex spinifera
2013 Neal Kramer

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

ASTERACEAE

Baccharis salicifolia
2014 Jesse Rorabaugh
Baccharis salicifolia
2018 Ron Vanderhoff
Baccharis salicifolia
2015 Jesse Rorabaugh

Blennosperma nanum    Common stickyseed,  Yellow carpet
native
Annual herb

ASTERACEAE

Blennosperma nanum
2015 John Doyen
Blennosperma nanum
2015 Debra L. Cook
Blennosperma nanum
2013 Aaron Arthur

Blepharizonia plumosa    Big tarweed
native
Annual herb

ASTERACEAE

Blepharizonia plumosa
2019 Scott Yarger
Blepharizonia plumosa
2019 Scott Yarger
Blepharizonia plumosa
2019 Scott Yarger

Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

Bloomeria crocea
2019 Michael Mitchell
Bloomeria crocea
2012 Ron Vanderhoff
Bloomeria crocea
2014 Diane Etchison

Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2011 Jorg & Mimi Fleige
Brassica nigra
2019 Michelle Karle
Brassica nigra
2009 Barry Breckling

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

ASTERACEAE

Brickellia nevinii
2016 Ron Vanderhoff
Brickellia nevinii
2019 Ron Vanderhoff
Brickellia nevinii
2018 Ron Vanderhoff

Bromus arenarius    Australian brome,  Australian chess
non-native
Annual grass

POACEAE

Bromus arenarius
2019 Ron Vanderhoff
Bromus arenarius
2009 Keir Morse
Bromus arenarius
2019 Ron Vanderhoff

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

POACEAE

Bromus diandrus
2009 Neal Kramer
Bromus diandrus
2018 Angelique Herman
Bromus diandrus
2008 Zoya Akulova

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 trinii    Chilean chess
non-native
Annual grass

POACEAE

Bromus trinii
2006 Steve Matson
Bromus trinii
2006 Steve Matson
Bromus trinii
2006 Steve Matson

Calandrinia ciliata    Red maids
native
Annual herb

MONTIACEAE

Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2015 Ken Lunders
Calandrinia ciliata
2019 Ron Vanderhoff

Callitriche marginata    California water starwort,  Winged water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

Callitriche marginata
2019 Ron Vanderhoff
Callitriche marginata
2019 Ron Vanderhoff
Callitriche marginata
2004 Carol W. Witham

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

LILIACEAE

Calochortus clavatus ssp. pallidus
2010 Neal Kramer
Calochortus clavatus ssp. pallidus
2019 Gordon Jenkins
Calochortus clavatus ssp. 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
2019 Randy Huey
Calochortus venustus
2012 Zack Abbey
Calochortus venustus
2018 John L. Thompson

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

Calyptridium monandrum
2009 Keir Morse
Calyptridium monandrum
2004 James M. Andre
Calyptridium monandrum
2009 Keir Morse

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

ONAGRACEAE

Camissonia boothii ssp. decorticans
2019 Matt Berger
Camissonia boothii ssp. decorticans
2017 Bonnie Nickel
Camissonia boothii ssp. decorticans
2017 Bonnie Nickel

Camissonia campestris    Field primrose,  Field sun cup,  Mojave suncup
native
Annual herb

ONAGRACEAE

Camissonia campestris
2013 Debra L. Cook
Camissonia campestris
1998 Larry Blakely
Camissonia campestris
2013 Neal Kramer

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 palmeri    Palmer's sun cup ,  Palmer's evening primrose
native
Annual herb

ONAGRACEAE

Camissonia palmeri
2006 Chris Wagner, SBNF
Camissonia palmeri
2013 Xeric Specialties
Camissonia palmeri
2011 Neal Kramer

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 affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis
2019 Diane Etchison
Castilleja affinis
2018 Stacie Wolny
Castilleja affinis
2019 Diane Etchison

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 densiflora    Dense flower owl's clover,  Denseflower indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja densiflora
2002 Doreen L. Smith
Castilleja densiflora
2008 Doreen L. Smith
Castilleja densiflora
2008 Doreen L. Smith

Castilleja exserta    Owl's clover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta
2017 B.J. Dion
Castilleja exserta
2018 Saskia Raether
Castilleja exserta
2017 B.J. Dion

Castilleja lineariloba    Sagebrush indian paintbrush,  Thin lobed owl's clover,  Valley tassels
native
Annual herb

OROBANCHACEAE

Castilleja lineariloba
2008 Dee E. Warenycia
Castilleja lineariloba
2010 Barry Breckling
Castilleja lineariloba
2016 Barry Breckling

Castilleja plagiotoma    Mojave indian paintbrush
native
Perennial herb (hemiparasitic)

OROBANCHACEAE

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

Castilleja subinclusa ssp. subinclusa    Long leaf paintbrush,  Longleaf indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja subinclusa ssp. subinclusa
2010 Neal Kramer
Castilleja subinclusa ssp. subinclusa
2013 Belinda Lo
Castilleja subinclusa ssp. subinclusa
2015 Debra L. Cook

Caulanthus californicus    California jewelflower
native
Annual herb

BRASSICACEAE

Caulanthus californicus
2014 Jordan Zylstra
Caulanthus californicus
2014 Jordan Zylstra
Caulanthus californicus
2008 Aaron Schusteff

Caulanthus coulteri    Coulter's jewel flower,  Coulter's wild cabbage
native
Annual herb

BRASSICACEAE

Caulanthus coulteri
2005 Brent Miller
Caulanthus coulteri
2014 RT Hawke
Caulanthus coulteri
2017 Ashley Olive

Caulanthus inflatus    Desert candle
native
Annual herb

BRASSICACEAE

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

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

ASTERACEAE

Centaurea melitensis
2019 Ron Vanderhoff
Centaurea melitensis
2019 Arlee Montalvo
Centaurea melitensis
2012 Gary McDonald

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

Chaenactis fremontii    Fremont pincushion,  Pincushion flower
native
Annual herb

ASTERACEAE

Chaenactis fremontii
2019 Matt Berger
Chaenactis fremontii
2019 Aaron Echols
Chaenactis fremontii
2018 Richard Spjut

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

ASTERACEAE

Chaenactis glabriuscula var. glabriuscula
2014 Neal Kramer
Chaenactis glabriuscula var. glabriuscula
2009 Neal Kramer
Chaenactis glabriuscula var. glabriuscula
2014 Keir Morse

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
2013 Neal Kramer
Chaenactis xantiana
2010 James M. Andre

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

Chamaesyce polycarpa    Smallseed sandmat
native
Perennial herb

EUPHORBIACEAE

Chamaesyce polycarpa
2004 Debra Valov
Chamaesyce polycarpa
2018 Ron Vanderhoff
Chamaesyce polycarpa
2016 Steve Matson

Chamomilla occidentalis    Valley mayweed
native
Annual herb

ASTERACEAE

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

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

Chamomilla suaveolens
2019 Diane Etchison
Chamomilla suaveolens
2019 Chico Hiking Association
Chamomilla suaveolens
2008 Thomas Stoughton

Chenopodium album    Lamb's quarters,  Lambs quarters,  White goosefoot
non-native
Annual herb

CHENOPODIACEAE

Chenopodium album
2005 Louis-M. Landry
Chenopodium album
2008 Keir Morse
Chenopodium album
2005 Louis-M. Landry

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

Chorizanthe angustifolia    Narrow leaf spineflower,  Narrowleaf spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe angustifolia
2013 John Doyen
Chorizanthe angustifolia
2006 Laura Ann Eliassen
Chorizanthe angustifolia
2005 Adonis (Don) Tate

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe membranacea
2019 David Greenberger
Chorizanthe membranacea
2019 Ken Hickman
Chorizanthe membranacea
2009 Keir Morse

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
2006 Aaron Schusteff
Chorizanthe watsonii
2004 James M. Andre
Chorizanthe watsonii
2012 Neal Kramer

Chorizanthe xanti    Riverside spineflower,  Xantus' spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe xanti
2003 Christopher L. Christie
Chorizanthe xanti
2009 Robert Steers
Chorizanthe xanti
2009 Neal Kramer

Chrysothamnus nauseosus ssp. mohavensis    Mojave rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus nauseosus ssp. mohavensis
2009 Ryan Gilmore
Chrysothamnus nauseosus ssp. mohavensis
2014 Neal Kramer
Chrysothamnus nauseosus ssp. mohavensis
2015 Neal Kramer

Cirsium sp.   


Clarkia cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica
2005 Christopher L. Christie
Clarkia cylindrica
2012 Debra L. Cook
Clarkia cylindrica
2005 Christopher L. Christie

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
2018 Ron Vanderhoff
Clarkia purpurea ssp. quadrivulnera
2019 Joe Engelbrecht

Claytonia gypsophiloides    Gypsum spring beauty,  Gypsum springbeauty
native
Annual herb

MONTIACEAE

Claytonia gypsophiloides
2001 Bart and Susan Eisenberg
Claytonia gypsophiloides
2009 Keir Morse
Claytonia gypsophiloides
2009 John W. Wall

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

MONTIACEAE

Claytonia perfoliata
2015 Steven M Norris
Claytonia perfoliata
2007 Neal Kramer
Claytonia perfoliata
2019 Ron Vanderhoff

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

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

Conyza coulteri    Coulter's horseweed
native
Annual herb

ASTERACEAE

Conyza coulteri
2019 Douglas Gordon-Blackwood
Conyza coulteri
2018 Ken Hickman
Conyza coulteri
2018 Richard Spellenberg

Cordylanthus rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus
2009 Keir Morse
Cordylanthus rigidus
2015 Debra L. Cook
Cordylanthus rigidus
2014 Barry Breckling

Coreopsis bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

Coreopsis bigelovii
2019 Diane Etchison
Coreopsis bigelovii
2019 Diane Etchison
Coreopsis bigelovii
2019 Marisa Persaud

Coreopsis calliopsidea    Leafy stemmed coreopsis
native
Annual herb

ASTERACEAE

Coreopsis calliopsidea
2006 Larry Blakely
Coreopsis calliopsidea
2006 Larry Blakely
Coreopsis calliopsidea
2006 Larry Blakely

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

CRASSULACEAE

Crassula connata
2019 Adam Chasey
Crassula connata
2019 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff

Cressa truxillensis    Alkali weed,  Spreading alkaliweed
native
Perennial herb

CONVOLVULACEAE

Cressa truxillensis
2010 James M. Andre
Cressa truxillensis
2008 Zoya Akulova
Cressa truxillensis
2007 Neal Kramer

Cryptantha barbigera    Bearded cryptantha,  Bearded forget me not
native
Annual herb

BORAGINACEAE

Cryptantha barbigera
2016 Diane Etchison
Cryptantha barbigera
2012 Keir Morse
Cryptantha barbigera
2019 Diane Etchison

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 clokeyi    Clokey's cryptantha,  Prickly cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clokeyi
2011 Cindy Hopkins
Cryptantha clokeyi
2011 Cindy Hopkins
Cryptantha clokeyi
2011 Xeric Specialties

Cryptantha flaccida    Beaked cryptantha,  Flaccid cryptantha,  Weakstem cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha flaccida
2018 Alice Cummings
Cryptantha flaccida
2016 Cindy Roessler
Cryptantha flaccida
2015 Zoya Akulova

Cryptantha intermedia    Clearwater cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia
2019 Ron Vanderhoff
Cryptantha intermedia
2018 Ron Vanderhoff
Cryptantha intermedia
2019 Ron Vanderhoff

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

BORAGINACEAE

Cryptantha muricata
2015 Chris Jaster
Cryptantha muricata
2008 Chris Winchell
Cryptantha muricata
2008 Keir Morse

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha pterocarya    Winged nut forget me not,  Wingnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha pterocarya
2004 James M. Andre
Cryptantha pterocarya
2010 James M. Andre
Cryptantha pterocarya
2019 Diane Etchison

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

CUCURBITACEAE

Cucurbita foetidissima
2019 Bonnie Nickel
Cucurbita foetidissima
2019 Bonnie Nickel
Cucurbita foetidissima
2018 Rachelle Gray

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

CUCURBITACEAE

Cucurbita palmata
2009 Neal Kramer
Cucurbita palmata
2012 George Butterworth
Cucurbita palmata
2004 James M. Andre

Cupressus arizonica    Cuyamaca cypress
native
Tree

CUPRESSACEAE

Cupressus arizonica
2011 Joey Malone
Cupressus arizonica
2011 Joey Malone
Cupressus arizonica
2013 Joey Malone

Cupressus macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Cupressus macrocarpa
2019 Patrick Furtado
Cupressus macrocarpa
2009 Keir Morse
Cupressus macrocarpa
2008 Neal Kramer

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

CONVOLVULACEAE

Cuscuta californica
2006 Tom Annese
Cuscuta californica
2018 David popp
Cuscuta californica
2016 Yana Marshall

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

POACEAE

Cynodon dactylon
2008 Keir Morse
Cynodon dactylon
2008 Keir Morse
Cynodon dactylon
2008 Zoya Akulova

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

SOLANACEAE

Datura wrightii
2019 Robin Street-Morris
Datura wrightii
2018 Japhia Huhndorf
Datura wrightii
2019 Ron Vanderhoff

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

RANUNCULACEAE

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

Delphinium parryi    San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi
2019 Diane Etchison
Delphinium parryi
2019 Diane Etchison
Delphinium parryi
2002 Lynn Watson

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

RANUNCULACEAE

Delphinium patens ssp. hepaticoideum
2011 Wynn Anderson
Delphinium patens ssp. hepaticoideum
2011 Wynn Anderson

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    Western tansy mustard,  Western tansymustard,  Yellow tansy mustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata
2019 Diane Etchison
Descurainia pinnata
2019 Matt Berger
Descurainia pinnata
2019 Matt Berger

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

Dichelostemma capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum
2017 Alison Sheehey
Dichelostemma capitatum
2019 Chico Hiking Association
Dichelostemma capitatum
2019 Chico Hiking Association

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

POACEAE

Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2013 Arcangelo Wessells
Distichlis spicata
2019 Ron Vanderhoff

Dodecatheon clevelandii    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon clevelandii
2012 Jason Matthias Mills
Dodecatheon clevelandii
2012 Jason Matthias Mills
Dodecatheon clevelandii
2004 Christopher L. Christie

Dudleya cymosa    Canyon dudleya,  Canyon liveforever,  Rock lettuce
native
Perennial herb

CRASSULACEAE

Dudleya cymosa
2019 Paul Aigner
Dudleya cymosa
2018 Elinor Gates
Dudleya cymosa
2019 Janith Johnson

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

ASTERACEAE

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

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

CYPERACEAE

Eleocharis parishii
2008 Keir Morse
Eleocharis parishii
2010 James M. Andre
Eleocharis parishii
2018 Rachelle Gray

Elymus elymoides ssp. elymoides    Squirrel tail grass
native
Perennial grass

POACEAE

Elymus elymoides ssp. elymoides
2012 Dylan Neubauer
Elymus elymoides ssp. elymoides
2007 Steve Matson
Elymus elymoides ssp. elymoides
2007 Steve Matson

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

Elymus glaucus
2009 Keir Morse
Elymus glaucus
2005 Brianna M. Richardson
Elymus glaucus
2009 Keir Morse

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

BORAGINACEAE

Emmenanthe penduliflora
2019 Ron Vanderhoff
Emmenanthe penduliflora
2019 Ron Vanderhoff
Emmenanthe penduliflora
2018 Ron Vanderhoff

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 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 pygmaeum    Smooth boisduvalia
native
Annual herb

ONAGRACEAE

Epilobium pygmaeum
1993 Robert E. Preston, Ph.D.
Epilobium pygmaeum
2007 Steve Matson
Epilobium pygmaeum
2007 Steve Matson

Eremalche exilis    White mallow
native
Annual herb

MALVACEAE

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

Eremalche parryi    Parry's mallow
native
Annual herb

MALVACEAE

Eremalche parryi
2003 Brent Miller
Eremalche parryi
2015 Debra L. Cook
Eremalche parryi
2015 Debra L. Cook

Eremocarpus setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus
2018 Rachelle Gray
Eremocarpus setigerus
2019 Robin Street-Morris
Eremocarpus setigerus
2014 Richard Chasey

Eriastrum densifolium ssp. austromontanum    Perennial vool star,  Southern mountain eriastrum
native
Perennial herb

POLEMONIACEAE

Eriastrum densifolium ssp. austromontanum
1999 Larry Blakely
Eriastrum densifolium ssp. austromontanum
2008 Vernon Smith
Eriastrum densifolium ssp. austromontanum
1999 Larry Blakely

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 diffusum    Miniature wool star,  Miniature eriastrum,  Miniature woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum diffusum
2010 James M. Andre
Eriastrum diffusum
2018 Diane Etchison
Eriastrum diffusum
2014 Keir Morse

Eriastrum eremicum ssp. eremicum    Desert eriastrum,  Desert wool star,  Desert woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum eremicum ssp. eremicum
2014 Don Davis
Eriastrum eremicum ssp. eremicum
2004 Brent Miller
Eriastrum eremicum ssp. eremicum
2010 Neal Kramer

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    Many flowered eriastrum,  Tehachapi woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum pluriflorum
2005 Christopher L. Christie
Eriastrum pluriflorum
2005 Christopher L. Christie
Eriastrum pluriflorum
2012 Neal Kramer

Ericameria cuneata    Cliff goldenbush,  Desert rock goldenbush,  Wedgeleaf goldenbush
native
Shrub

ASTERACEAE

Ericameria cuneata
2009 Zoya Akulova
Ericameria cuneata
2014 John Doyen
Ericameria cuneata
2011 Steve Matson

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

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    Bailey buckwheat,  Bailey's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum baileyi
2019 Diane Etchison
Eriogonum baileyi
2005 Steve Matson
Eriogonum baileyi
2012 Neal Kramer

Eriogonum cithariforme    Cithara buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum cithariforme
2003 Christopher L. Christie
Eriogonum cithariforme
2010 Steve Matson

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 davidsonii    Davidson buckwheat,  Davidson's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum davidsonii
2017 Keir Morse
Eriogonum davidsonii
2003 Michael Charters
Eriogonum davidsonii
2003 Christopher L. Christie

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. 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 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    Heerman buckwheat,  Heermann's buckwheat
native
Shrub

POLYGONACEAE

Eriogonum heermannii
2009 Steve Matson
Eriogonum heermannii
2005 Steve Matson
Eriogonum heermannii
2005 Steve Matson

Eriogonum inflatum    Desert trumpet
native
Perennial herb

POLYGONACEAE

Eriogonum inflatum
2019 Marisa Persaud
Eriogonum inflatum
2019 Susan McDougall
Eriogonum inflatum
2019 Susan McDougall

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
2019 Matt Berger

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 trichopes    Little desert buckwheat,  Little deserttrumpet,  Little trumpet
native
Annual herb

POLYGONACEAE

Eriogonum trichopes
2006 Steve Matson
Eriogonum trichopes
2003 Michael Charters
Eriogonum trichopes
2013 Neal Kramer

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

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

Eriophyllum confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum
2019 Stacie Wolny
Eriophyllum confertiflorum
2019 Diane Etchison
Eriophyllum confertiflorum
2018 Bruce Homer-Smith

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
2006 Steve Matson

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

GERANIACEAE

Erodium botrys
2014 Bryan Derr
Erodium botrys
2012 Neal Kramer
Erodium botrys
2014 Keir Morse

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
2019 Diane Etchison
Erodium cicutarium
2019 Richard Spjut

Erodium macrophyllum    Round leaved filaree
native
Annual herb

GERANIACEAE

Erodium macrophyllum
2009 Andrew Borcher
Erodium macrophyllum
2016 Neal Kramer
Erodium macrophyllum
2005 Timothy Milliken 2005

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

Eryngium spinosepalum    Spiny sepaled button celery,  Spinysepal eryngo
native
Annual, Perennial herb

APIACEAE

Eryngium spinosepalum
2009 Cristian Singer
Eryngium spinosepalum
2009 Cristian Singer
Eryngium spinosepalum
2009 Cristian Singer

Erysimum capitatum    Sanddune wallflower,  Western wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum
2019 Diane Etchison
Erysimum capitatum
2018 Liz Block
Erysimum capitatum
2019 Diane Etchison

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

Eschscholzia lemmonii    Lemmon's poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia lemmonii
2011 Neal Kramer
Eschscholzia lemmonii
1984 California Native Plant Society
Eschscholzia lemmonii
2011 Neal Kramer

Eucalyptus polyanthemos    Redbox,  Silver dollar gum
non-native
Tree

MYRTACEAE

Eucalyptus polyanthemos
2008 Zoya Akulova
Eucalyptus polyanthemos
2008 Zoya Akulova
Eucalyptus polyanthemos
2018 Zoya Akulova

Eucalyptus tereticornis    Forest red gum,  Forest redgum
non-native
Tree

MYRTACEAE


Filago gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Filago gallica
2013 Keir Morse
Filago gallica
2013 Keir Morse
Filago gallica
2017 Barbara Boethling

Forestiera pubescens    Desert olive,  Stretchberry
native
Shrub

OLEACEAE

Forestiera pubescens
2004 James M. Andre
Forestiera pubescens
2011 Neal Kramer
Forestiera pubescens
2009 Keir Morse

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

FRANKENIACEAE

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

Fritillaria agrestis    Stinkbells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria agrestis
2014 Neal Kramer
Fritillaria agrestis
2016 George Butterworth
Fritillaria agrestis
2017 Gina Rupert

Fritillaria biflora    Chocolate lily
native
Perennial herb

LILIACEAE

Fritillaria biflora
2016 Ron Vanderhoff
Fritillaria biflora
2012 Ron Vanderhoff
Fritillaria biflora
2004 Joshua Rappoport

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

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens
2016 Keir Morse
Garrya flavescens
2019 Jacob Smith
Garrya flavescens
2019 Jacob Smith

Gilia austro-occidentalis    Southwestern gilia
native
Annual herb

POLEMONIACEAE

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

Gilia brecciarum ssp. jacens    Nevada gilia
native
Annual herb

POLEMONIACEAE

Gilia brecciarum ssp. jacens
2010 Aaron Schusteff
Gilia brecciarum ssp. jacens
2010 Aaron Schusteff

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

POLEMONIACEAE

Gilia tricolor
2019 Amy Rapport
Gilia tricolor
2019 Chico Hiking Association
Gilia tricolor
2018 Sue Graue

Gnaphalium luteo-album    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Gnaphalium luteo-album
2008 Gary McDonald
Gnaphalium luteo-album
2008 Jorg Fleige
Gnaphalium luteo-album
2016 Richard Spellenberg

Grayia spinosa    Hop sage,  Spiny hopsage
native
Shrub

CHENOPODIACEAE

Grayia spinosa
2019 Diane Etchison
Grayia spinosa
2019 Diane Etchison
Grayia spinosa
2008 Neal Kramer

Guillenia lasiophylla    California mustard
native
Annual herb

BRASSICACEAE

Guillenia lasiophylla
2018 Gary McDonald
Guillenia lasiophylla
2018 Gary McDonald
Guillenia lasiophylla
2019 Marisa Persaud

Guillenia lemmonii    Lemmon's mustard
native
Annual herb

BRASSICACEAE

Guillenia lemmonii
2011 Dylan Neubauer
Guillenia lemmonii
2006 Steve Matson
Guillenia lemmonii
2006 Steve Matson

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

Hazardia stenolepis    Narrow scaled goldenbush,  Serpentine bristleweed
native
Shrub (stem succulent)

ASTERACEAE

Hazardia stenolepis
2011 George Butterworth
Hazardia stenolepis
2012 George Butterworth
Hazardia stenolepis
2012 George Butterworth

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

ASTERACEAE

Helianthus annuus
2019 Laura Moon
Helianthus annuus
2017 Kristin Sabo
Helianthus annuus
2019 Laura Moon

Heliotropium curassavicum    Chinese parsley,  Heliotrope,  Salt heliotrope
native
Perennial herb

BORAGINACEAE

Heliotropium curassavicum
2005 James M. Andre
Heliotropium curassavicum
2015 Zoya Akulova
Heliotropium curassavicum
2010 Thomas Stoughton

Hemiaria hirsuta ssp. cineria   


Hemizonia fitchii    Spikeweed
native
Annual herb

ASTERACEAE

Hemizonia fitchii
2018 Julie Kierstead Nelson
Hemizonia fitchii
2007 Neal Kramer
Hemizonia fitchii
2019 Julie Kierstead Nelson

Hemizonia pallida    Kern tarweed
native
Annual herb

ASTERACEAE

Hemizonia pallida
2010 Neal Kramer
Hemizonia pallida
2019 Diane Etchison
Hemizonia pallida
2019 Diane Etchison

Hemizonia pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

Hemizonia pentactis
2015 Richard Spellenberg
Hemizonia pentactis
2015 Richard Spellenberg
Hemizonia pentactis
2015 Richard Spellenberg

Hemizonia pungens    Common tarweed,  Common spikeweed
native
Annual herb

ASTERACEAE

Hemizonia pungens
2009 John Dittes
Hemizonia pungens
2015 Debra L. Cook
Hemizonia pungens
2008 Benjamin Smith

Heterodraba unilateralis    Ladiestongue mustard
native
Annual herb

BRASSICACEAE

Heterodraba unilateralis
2008 Aaron Schusteff
Heterodraba unilateralis
2016 Neal Kramer
Heterodraba unilateralis
2016 Neal Kramer

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

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    Farmer's foxtail,  Foxtail barley,  Mouse barley
invasive non-native
Annual grass

POACEAE

Hordeum murinum
2007 Luigi Rignanese
Hordeum murinum
2007 Luigi Rignanese
Hordeum murinum
2014 Robert F Norris

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

Hordeum sp.   


Hutchinsia procumbens    Prostrate hutchinsia
non-native

BRASSICACEAE

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

Hymenoclea salsola    Cheesebrush,  Burrobrush
native
Shrub

ASTERACEAE

Hymenoclea salsola
2007 Richard Zmasek
Hymenoclea salsola
2010 James M. Andre
Hymenoclea salsola
2019 Diane Etchison

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

Isomeris arborea    Bladderpod
native
Shrub

CLEOMACEAE

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

Juncus balticus    Baltic rush,  Wire rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus
2005 Brent Miller
Juncus balticus
2005 Brent Miller
Juncus balticus
2007 Neal Kramer

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

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

Krascheninnikovia lanata    Winter fat,  Winterfat
native
Shrub

CHENOPODIACEAE

Krascheninnikovia lanata
2010 Malia Volke
Krascheninnikovia lanata
2018 Matt Berger
Krascheninnikovia lanata
2010 Neal Kramer

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

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2014 Neal Kramer
Lactuca serriola
2006 Jennifer Naegele

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

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

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

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

ASTERACEAE

Lasthenia californica
1998 Larry Blakely
Lasthenia californica
2012 Jean Pawek
Lasthenia californica
2008 Keir Morse

Lasthenia debilis    Greene's goldfields
native
Annual herb

ASTERACEAE

Lasthenia debilis
2014 Aaron Arthur
Lasthenia debilis
© 2014 Aaron Arthur
Lasthenia debilis
2014 Aaron Arthur

Lasthenia ferrisiae    Alkali goldfields,  Ferris' goldfields
native
Annual herb

ASTERACEAE

Lasthenia ferrisiae
2015 Debra L. Cook
Lasthenia ferrisiae
2015 Debra L. Cook
Lasthenia ferrisiae
2009 Zoya Akulova

Lasthenia fremontii    Fremont's goldfields,  Vernal pool goldfields
native
Annual, Perennial herb

ASTERACEAE

Lasthenia fremontii
2004 Carol W. Witham
Lasthenia fremontii
2015 John Doyen
Lasthenia fremontii
2015 Richard Spellenberg

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

ASTERACEAE

Lasthenia minor
2005 George W. Hartwell
Lasthenia minor
2005 Doreen L. Smith
Lasthenia minor
2014 James Gonsman

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

ASTERACEAE

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

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 munzii    Munz's tidy tips,  Munz's tidytips
native
Annual herb

ASTERACEAE

Layia munzii
2006 Steve Matson
Layia munzii
2010 Howard Orman Clark, Jr.

Layia pentachaeta ssp. albida    Sierra tidytips,  White sierra tidy tips
native
Annual herb

ASTERACEAE

Layia pentachaeta ssp. albida
2011 Neal Kramer
Layia pentachaeta ssp. albida
2011 Neal Kramer

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

Lembertia congdonii    San joaquin woollythreads
native
Annual herb

ASTERACEAE

Lembertia congdonii
2010 Neal Kramer
Lembertia congdonii
2019 Matt Berger
Lembertia congdonii
2010 Kelly Bougher

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 dictyotum var. acutidens    Net pepper grass
native
Annual, Perennial herb

BRASSICACEAE

Lepidium dictyotum var. acutidens
2008 Aaron Schusteff
Lepidium dictyotum var. acutidens
2017 Steve Matson
Lepidium dictyotum var. acutidens
2003 George W. Hartwell

Lepidium jaredii    Jared's pepper grass,  Jared's pepperweed
native
Annual herb

BRASSICACEAE

Lepidium jaredii
2010 Neal Kramer
Lepidium jaredii
2009 California State University, Stanislaus
Lepidium jaredii
2017 John Doyen

Lepidium lasiocarpum var. lasiocarpum    Shaggyfruit pepperweed
native
Annual herb

BRASSICACEAE

Lepidium lasiocarpum var. lasiocarpum
2010 Thomas Stoughton
Lepidium lasiocarpum var. lasiocarpum
1998 Larry Blakely
Lepidium lasiocarpum var. lasiocarpum
2015 Steve Matson

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

BRASSICACEAE

Lepidium nitidum
2009 Jorg Fleige
Lepidium nitidum
2007 Carol W. Witham
Lepidium nitidum
2009 Ron Wolf

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

ASTERACEAE

Lepidospartum squamatum
2018 Diane Etchison
Lepidospartum squamatum
2002 Hartmut Wisch
Lepidospartum squamatum
2018 Diane Etchison

Lessingia filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Lessingia filaginifolia
2019 Bonnie Nickel
Lessingia filaginifolia
2018 Ron Vanderhoff
Lessingia filaginifolia
2018 Ron Vanderhoff

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

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

ASTERACEAE

Lessingia lemmonii var. lemmonii
2009 Steve Matson
Lessingia lemmonii var. lemmonii
2015 Keir Morse
Lessingia lemmonii var. lemmonii
2009 James M. Andre

Lessingia tenuis    Spring lessingia
native
Annual herb

ASTERACEAE

Lessingia tenuis
2010 Aaron Schusteff
Lessingia tenuis
2002 Kevin Merk
Lessingia tenuis
2009 Barry Breckling

Leymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Leymus triticoides
2018 Rachelle Gray
Leymus triticoides
2018 Rachelle Gray
Leymus triticoides
2018 Ron Vanderhoff

Linanthus aureus ssp. decorus    Golden linanthus
native
Annual herb

POLEMONIACEAE

Linanthus aureus ssp. decorus
2009 Keir Morse
Linanthus aureus ssp. decorus
2010 Neal Kramer
Linanthus aureus ssp. decorus
2009 Keir Morse

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

Linanthus dichotomus    Evening snow,  Eveningsnow
native
Annual herb

POLEMONIACEAE

Linanthus dichotomus
2008 Steve Matson
Linanthus dichotomus
2015 Debra L. Cook
Linanthus dichotomus
2018 Molly Nilsson

Linanthus liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Linanthus liniflorus
2015 Debra L. Cook
Linanthus liniflorus
2009 Genevieve K. Walden
Linanthus liniflorus
2018 Ron Vanderhoff

Linanthus parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Linanthus parviflorus
2019 Ken Lunders
Linanthus parviflorus
2016 Ron Vanderhoff
Linanthus parviflorus
2009 Paul Hankamp

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

POLEMONIACEAE

Loeseliastrum schottii
2006 Steve Matson
Loeseliastrum schottii
2009 Keir Morse
Loeseliastrum schottii
2003 Michael Charters

Lomatium caruifolium    Alkali desertparsley,  Alkali parsnip,  Caraway leaved lomatium
native
Perennial herb

APIACEAE

Lomatium caruifolium
2012 Daniel Gluesenkamp
Lomatium caruifolium
2004 Carol W. Witham
Lomatium caruifolium
2014 Steve Matson

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    Southern honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata
2005 Palos Verdes Peninsula Land Conservancy
Lonicera subspicata
2011 Jean Pawek
Lonicera subspicata
2003 Michael Charters

Lotus humistratus    Short podded lotus
native
Annual herb

FABACEAE

Lotus humistratus
2008 Keir Morse
Lotus humistratus
2005 Steve Matson
Lotus humistratus
2013 Jean Pawek

Lotus salsuginosus    Coastal lotus
native
Annual herb

FABACEAE

Lotus salsuginosus
2019 Diane Etchison
Lotus salsuginosus
2010 Gary A. Monroe
Lotus salsuginosus
2017 John Doyen

Lotus scoparius    Deerweed
native
Perennial herb

FABACEAE

Lotus scoparius
2019 Diane Etchison
Lotus scoparius
2014 Garth Wadsworth
Lotus scoparius
2011 Vernon Smith

Lotus strigosus    Strigose lotus
native
Annual herb

FABACEAE

Lotus strigosus
2019 Gary McDonald
Lotus strigosus
2019 Diane Etchison
Lotus strigosus
2019 Gary McDonald

Lotus wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

Lotus wrangelianus
2018 Gary McDonald
Lotus wrangelianus
2018 Gary McDonald
Lotus wrangelianus
2018 Gary McDonald

Lupinus albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons
2008 Keir Morse
Lupinus albifrons
Gerald and Buff Corsi 2016 California Academy of Sciences
Lupinus albifrons
2012 Gary A. Monroe

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

FABACEAE

Lupinus bicolor
2004 Carol W. Witham
Lupinus bicolor
2014 Neal Kramer
Lupinus bicolor
2012 Gary A. Monroe

native
Annual herb

FABACEAE

Lupinus microcarpus var. horizontalis
2019 Diane Etchison
Lupinus microcarpus var. horizontalis
2019 Diane Etchison
Lupinus microcarpus var. horizontalis
2019 Diane Etchison

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 nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
2019 Phyllis Fitzsimons
Lupinus nanus
2019 Mary Conway
Lupinus nanus
2019 Phyllis Fitzsimons

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
2011 James M. Andre
Lycium andersonii
2003 Michael Charters
Lycium andersonii
2005 James M. Andre

Maclura pomifera    Osage orange
non-native
Tree, Shrub

MORACEAE

Maclura pomifera
2002 John White
Maclura pomifera
2008 Jason E. Willand
Maclura pomifera
2008 Jason E. Willand

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
2017 Michelle Bosch
Madia elegans
2018 Amy Rapport
Madia elegans
2018 Julian Geoghegan

Malacothrix californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

Malacothrix californica
2008 Keir Morse
Malacothrix californica
Sam Stewart 2004
Malacothrix californica
2004 Michelle Cloud-Hughes

Malacothrix coulteri    Snake's head
native
Annual herb

ASTERACEAE

Malacothrix coulteri
2010 Zoya Akulova
Malacothrix coulteri
2018 Cindy Roessler
Malacothrix coulteri
2017 Ashley Olive

Malacothrix glabrata    Desert dandelion,  Smooth desertdandelion
native
Annual herb

ASTERACEAE

Malacothrix glabrata
2019 Diane Etchison
Malacothrix glabrata
2017 Leah Gardner
Malacothrix glabrata
2019 Marisa Persaud

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

Malva parviflora
2006 Alison M. Sheehey
Malva parviflora
2012 Neal Kramer
Malva parviflora
2008 Luigi Rignanese

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 fabaceus    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabaceus
2018 Gary McDonald
Marah fabaceus
2018 Gary McDonald
Marah fabaceus
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

Medicago polymorpha    Bur clover,  Bur medic,  California burclover
invasive non-native
Annual herb

FABACEAE

Medicago polymorpha
2008 Steve Matson
Medicago polymorpha
2003 Michael Charters
Medicago polymorpha
2004 Carol W. Witham

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 Bonnie Nickel

Mentha arvensis    American wild mint,  Field mint,  Marsh mint
native
Perennial herb

LAMIACEAE

Mentha arvensis
2003 Steve Matson
Mentha arvensis
2013 Debra L. Cook
Mentha arvensis
2015 Barry Breckling

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

LOASACEAE

Mentzelia affinis
2010 Neal Kramer
Mentzelia affinis
2013 Aaron Schusteff
Mentzelia affinis
2010 Neal Kramer

Mentzelia albicaulis    Small flowered blazing star,  White stemmed blazing star,  White stemmed stickleaf
native
Annual herb

LOASACEAE

Mentzelia albicaulis
2004 James M. Andre
Mentzelia albicaulis
2004 James M. Andre
Mentzelia albicaulis
2019 Diane Etchison

Mentzelia dispersa    Bushy blazingstar,  Nada stickleaf,  Scattered blazing star
native
Annual herb

LOASACEAE

Mentzelia dispersa
2019 Chico Hiking Association
Mentzelia dispersa
2003 Steve Matson
Mentzelia dispersa
2003 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
2008 Aaron Schusteff

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    Douglas' microseris,  Douglas' silverpuffs
native
Annual herb

ASTERACEAE

Microseris douglasii
2007 Neal Kramer
Microseris douglasii
2007 Neal Kramer
Microseris douglasii
2015 John Doyen

Microseris elegans    Elegant silverpuffs
native
Annual herb

ASTERACEAE

Microseris elegans
2011 Zoya Akulova
Microseris elegans
2004 Laura Ann Eliassen
Microseris elegans
2011 Zoya Akulova

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

PHRYMACEAE

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

Mirabilis californica    California four o'clock
native
Perennial herb

NYCTAGINACEAE

Mirabilis californica
2018 Ron Vanderhoff
Mirabilis californica
2017 Thomas Egan
Mirabilis californica
2010 Thomas Stoughton

Mirabilis multiflora    Colorado four o'clock,  Giant four o'clock
native
Perennial herb

NYCTAGINACEAE

Mirabilis multiflora
2008 Jason E. Willand
Mirabilis multiflora
2014 Ron Wolf
Mirabilis multiflora
2010 Gary A. Monroe

Monardella breweri    Brewer's monardella
native
Annual herb

LAMIACEAE

Monardella breweri
2019 Marisa Persaud
Monardella breweri
2017 Diane Etchison
Monardella breweri
2011 Steven Perry

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

CHENOPODIACEAE

Monolepis nuttalliana
2005 James M. Andre
Monolepis nuttalliana
2012 Neal Kramer
Monolepis nuttalliana
2006 Steve Matson

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

Monolopia lanceolata
2011 Rebecca Wenk
Monolopia lanceolata
2005 Brent Miller
Monolopia lanceolata
2009 Barry Breckling

Monolopia stricta    Crum's monolopia
native
Annual herb

ASTERACEAE

Monolopia stricta
2009 California State University, Stanislaus
Monolopia stricta
2017 Adam Chasey
Monolopia stricta
2017 Adam Chasey

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

Mucronea perfoliata
2003 Christopher L. Christie
Mucronea perfoliata
2011 Neal Kramer
Mucronea perfoliata
2009 Neal Kramer

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

Myosurus minimus    Common mouse tail,  Little mouse tail,  Tiny mousetail
native
Annual herb

RANUNCULACEAE

Myosurus minimus
2004 Carol W. Witham
Myosurus minimus
2015 Irene Lindsey
Myosurus minimus
2013 Debra L. Cook

Nama californicum    California fiddleleaf
native
Annual herb

BORAGINACEAE

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

Nassella cernua    Nodding needle grass
native
Perennial grass

POACEAE

Nassella cernua
2013 Christopher Bronny
Nassella cernua
2011 CNPS, San Luis Obispo Chapter
Nassella cernua
2013 Christopher Bronny

Nassella pulchra    Purple needle grass
native
Perennial grass

POACEAE

Nassella pulchra
2018 Gary McDonald
Nassella pulchra
2019 Diane Etchison
Nassella pulchra
2006 Brent Miller

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides
2007 Laura Ann Eliassen
Navarretia atractyloides
2019 Diane Etchison
Navarretia atractyloides
2019 Ken Hickman

Navarretia jaredii    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

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

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

Nemophila menziesii
2019 Matt Berger
Nemophila menziesii
2018 James Gonsman
Nemophila menziesii
2008 Thomas Stoughton

Nicotiana glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca
2017 Steve Matson
Nicotiana glauca
2009 Keir Morse
Nicotiana glauca
2018 Nicole Leatherman

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

Oenothera deltoides    Birdcage evening primrose,  Desert lantern,  Dune primrose
native
Annual herb

ONAGRACEAE

Oenothera deltoides
2019 Matt Berger
Oenothera deltoides
2011 Gordon Neish
Oenothera deltoides
2003 Mark Bratton

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2004 Michelle Cloud-Hughes
Paeonia californica
2008 Gary A. Monroe
Paeonia californica
2019 Aaron Echols

Parietaria hespera    Pelitory,  Pellitory,  Rillita pellitory
native
Annual herb

URTICACEAE

Parietaria hespera
2009 Keir Morse
Parietaria hespera
2005 Robert Sivinski
Parietaria hespera
Russell Huddleston

Parishella californica    Mojave dwarf
native
Annual herb

CAMPANULACEAE

Parishella californica
Donald Myrick1999 California Academy of Sciences
Parishella californica
2011 Steve Matson
Parishella californica
2011 Steve Matson

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

BORAGINACEAE

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

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

BORAGINACEAE

Pectocarya setosa
2008 Neal Kramer
Pectocarya setosa
2009 Keir Morse
Pectocarya setosa
2006 Steve Matson

Pellaea mucronata    Bird's foot fern,  Birdfoot cliffbrake,  Birdfoot fern
native
Fern

PTERIDACEAE

Pellaea mucronata
2012 Ron Vanderhoff
Pellaea mucronata
2009 Thomas Stoughton
Pellaea mucronata
2017 Keir Morse

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

Perideridia pringlei    Adobe yampah
native
Perennial herb

APIACEAE

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

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 ciliata    Great valley phacelia
native
Annual herb

BORAGINACEAE

Phacelia ciliata
2015 Debra L. Cook
Phacelia ciliata
2013 Neal Kramer
Phacelia ciliata
2015 Debra L. Cook

Phacelia cryptantha    Hiddenflower phacelia,  Limestone phacelia,  Small flowered phacelia
native
Annual herb

BORAGINACEAE

Phacelia cryptantha
2006 James M. Andre
Phacelia cryptantha
2015 Keir Morse
Phacelia cryptantha
2015 Steve Matson

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

BORAGINACEAE

Phacelia distans
2008 Keir Morse
Phacelia distans
2016 Bonnie Nickel
Phacelia distans
2013 James Gonsman

Phacelia douglasii    Douglas' phacelia
native
Annual herb

BORAGINACEAE

Phacelia douglasii
2011 Dylan Neubauer
Phacelia douglasii
2011 Dylan Neubauer
Phacelia 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
2019 Diane Etchison
Phacelia fremontii
2019 Diane Etchison
Phacelia fremontii
2019 Marisa Persaud

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

BORAGINACEAE

Phacelia tanacetifolia
2015 Debra L. Cook
Phacelia tanacetifolia
2019 Diane Etchison
Phacelia tanacetifolia
2010 Neal Kramer

Phalaris canariensis    Annual canarygrass
non-native
Annual grass

POACEAE

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

Phlox gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Phlox gracilis
2019 Matt Berger
Phlox gracilis
2016 Jim Moore
Phlox gracilis
2019 Matt Berger

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

BORAGINACEAE

Pholistoma membranaceum
2004 James M. Andre
Pholistoma membranaceum
2014 Debra L. Cook
Pholistoma membranaceum
2003 Michael Charters

Phoradendron densum    Bollean mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron densum
2009 John W. Wall
Phoradendron densum
2015 Scott Batiuk
Phoradendron densum
2002 Arthur H. Bazell, M.D.

Phoradendron juniperinum    Juniper mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron juniperinum
2004 James M. Andre
Phoradendron juniperinum
2008 Jason E. Willand
Phoradendron juniperinum
2016 Keir Morse

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
2012 Steven and Shellie Perry
Pinus monophylla
2010 Lee Dittmann

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 arizonicus    Arizona popcorn flower,  Arizona popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys arizonicus
2004 James M. Andre
Plagiobothrys arizonicus
2010 James M. Andre
Plagiobothrys arizonicus
2014 Steve Matson

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 nothofulvus    Rusty haired popcorn flower,  Rusty popcorn flower,  Rusty popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys nothofulvus
2019 Diane Etchison
Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2019 Ron Vanderhoff

Plantago elongata    Annual coast plantago,  Coastal plantain,  Long leaf plantain
native
Annual herb

PLANTAGINACEAE

Plantago elongata
2010 Gary A. Monroe
Plantago elongata
2019 Ron Vanderhoff
Plantago elongata
2015 Keir Morse

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

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

PLANTAGINACEAE

Plantago ovata
2004 James M. Andre
Plantago ovata
2008 Neal Kramer
Plantago ovata
2004 James M. Andre

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Matt Berger
Platystemon californicus
2019 Diane Etchison
Platystemon californicus
2007 Neal Kramer

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
2004 Carol W. Witham
Poa annua
2010 Neal Kramer
Poa annua
2011 Ryan Batten

Poa bulbosa    Bulbous blue grass,  Bulbous bluegrass
non-native
Perennial grass

POACEAE

Poa bulbosa
2008 Keir Morse
Poa bulbosa
2011 Barry Breckling
Poa bulbosa
2019 Angelique Herman

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

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
2003 Michael Charters
Populus fremontii ssp. fremontii
2013 Jean Pawek
Populus fremontii ssp. fremontii
2010 Neal Kramer

Prosopis glandulosa var. torreyana    Mesquite,  Western honey mesquite
native
Tree, Shrub

FABACEAE

Prosopis glandulosa var. torreyana
2018 Matt Berger
Prosopis glandulosa var. torreyana
2010 Neal Kramer
Prosopis glandulosa var. torreyana
2019 Ron Vanderhoff

Prunus fasciculata    Desert almond,  Desert range almond
native
Shrub

ROSACEAE

Prunus fasciculata
2015 Steve Matson
Prunus fasciculata
2018 Cindy Roessler
Prunus fasciculata
2019 Ron Vanderhoff

Psilocarphus brevissimus    Short woollyheads,  Woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus brevissimus
2004 Carol W. Witham
Psilocarphus brevissimus
2015 John Doyen
Psilocarphus brevissimus
2004 Carol W. Witham

Psilocarphus sp.   


Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2015 Diane Etchison
Pterostegia drymarioides
2019 Ron Vanderhoff
Pterostegia drymarioides
2018 Ron Vanderhoff

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2018 Gary McDonald
Quercus douglasii
2015 Jean B Henney
Quercus douglasii
2019 Timothy Boomer

Quercus turbinella    Grey oak,  Shrub live oak,  Sonoran scrub oak
native
Shrub

FAGACEAE

Quercus turbinella
2005 Robert Sivinski
Quercus turbinella
2013 Jean Pawek
Quercus turbinella
2016 John Doyen

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

GROSSULARIACEAE

Ribes quercetorum
2006 Keir Morse
Ribes quercetorum
2011 Barry Breckling
Ribes quercetorum
2008 Keir Morse

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

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2019 Cynthia Powell

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

Salix babylonica    Weeping willow
non-native
Tree

SALICACEAE

Salix babylonica
2015 Jean Pawek
Salix babylonica
2018 Ron Vanderhoff
Salix babylonica
2018 Ron Vanderhoff

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2018 Angelique Herman
Salix laevigata
2019 Barbara Brydolf
Salix laevigata
1995 Saint Mary's College of California

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
2002 Christopher L. Christie
Salvia carduacea
2002 Christopher L. Christie

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
2014 Garth Wadsworth
Salvia columbariae
2019 Gary McDonald
Salvia columbariae
2019 Phyllis Fitzsimons

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2019 Diane Etchison
Salvia mellifera
2009 Keir Morse
Salvia mellifera
2018 Aaron Echols

Sambucus mexicana    Blue elderberry
native
Shrub

ADOXACEAE

Sambucus mexicana
2019 Jean B Henney
Sambucus mexicana
2019 Julian Geoghegan
Sambucus mexicana
2019 Michael Morrison

Schinus molle    Peruvian pepper tree,  Peruvian peppertree
invasive non-native
Tree

ANACARDIACEAE

Schinus molle
2009 Neal Kramer
Schinus molle
2000 Joe DiTomaso
Schinus molle
2017 William McCarey

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

Scirpus robustus    Sturdy bullrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus robustus
2013 James Gonsman
Scirpus robustus
2004 Steve Matson
Scirpus robustus
2004 Steve Matson

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
2008 Neal Kramer
Senecio vulgaris
2019 Ron Vanderhoff

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

Sinapis arvensis
1983 Robert E. Preston, Ph.D.
Sinapis arvensis
2010 Zoya Akulova
Sinapis arvensis
2010 Zoya Akulova

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

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
2017 Ken Lunders
Solanum umbelliferum
2015 Garth Wadsworth
Solanum umbelliferum
2015 Dee Warenycia

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

Sorghum bicolor    Sorghum
non-native
Annual grass

POACEAE

Sorghum bicolor
2019 Ron Vanderhoff
Sorghum bicolor
2016 Barbara Boethling
Sorghum bicolor
2014 Ron Vanderhoff

non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis ssp. arvensis
2005 Steve Matson
Spergula arvensis ssp. arvensis
2008 Keir Morse
Spergula arvensis ssp. arvensis
2019 Diane Etchison

Spergularia atrosperma    Blackseed sandspurry,  Sand spurrey
native
Annual herb

CARYOPHYLLACEAE

Spergularia atrosperma
1995 Saint Mary's College of California
Spergularia atrosperma
1995 Saint Mary's College of California

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    Desert princesplume,  Prince's plume
native
Perennial herb, Shrub

BRASSICACEAE

Stanleya pinnata
2005 Robert Sivinski
Stanleya pinnata
2019 Marisa Persaud
Stanleya pinnata
2019 Marisa Persaud

Stebbinsoseris heterocarpa    Grassland stebbinsoseris
native
Annual herb

ASTERACEAE

Stebbinsoseris heterocarpa
2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
2017 Diane Etchison

Stellaria nitens    Shining chickweed,  Shiny chickweed,  Smooth chickweed
native
Annual herb

CARYOPHYLLACEAE

Stellaria nitens
2007 Keir Morse
Stellaria nitens
2010 Barry Breckling
Stellaria nitens
2005 Keir Morse

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

Stylomecon heterophylla    Wind poppy
native
Annual herb

PAPAVERACEAE

Stylomecon heterophylla
2017 Gary McDonald
Stylomecon heterophylla
2014 Stephen Rosenthal
Stylomecon heterophylla
2016 Ron Vanderhoff

Suaeda moquinii    Bush seepweed
native
Perennial herb

CHENOPODIACEAE

Suaeda moquinii
2015 Zoya Akulova
Suaeda moquinii
2006 Steven Perkins
Suaeda moquinii
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

Thysanocarpus curvipes    Fringe pod,  Fringed pod,  Hairy lacepod
native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes
2019 Jay Chamberlain
Thysanocarpus curvipes
2008 Keir Morse
Thysanocarpus curvipes
2001 Jeff Abbas

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2011 Robert A. Hamilton
Toxicodendron diversilobum
2008 Keir Morse
Toxicodendron diversilobum
2008 Zoya Akulova

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
2012 Neal Kramer
Trichostema ovatum
2009 California State University, Stanislaus
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

native
Annual herb

FABACEAE

Trifolium albopurpureum var. olivaceum
2011 Jennifer Buck
Trifolium albopurpureum var. olivaceum
2015 Aaron Schusteff
Trifolium albopurpureum var. olivaceum
2015 Aaron Schusteff

Trifolium depauperatum    Cowbag clover,  Dwarf sack clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum
2004 Carol W. Witham
Trifolium depauperatum
2008 Neal Kramer
Trifolium depauperatum
2012 Aaron Arthur

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

Triticum sp.   


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

BRASSICACEAE

Tropidocarpum gracile
2008 Keir Morse
Tropidocarpum gracile
2017 Gary McDonald
Tropidocarpum gracile
2014 Debra L. Cook

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
2018 Neal Kramer
Typha domingensis
2013 Neal Kramer
Typha domingensis
2009 Neal Kramer

Verbena lasiostachys    Common verbena,  Vervain,  Western verbena
native
Perennial herb

VERBENACEAE

Verbena lasiostachys
2019 Diane Etchison
Verbena lasiostachys
2018 Gary McDonald
Verbena lasiostachys
2019 Diane Etchison

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

Vulpia bromoides
2008 Keir Morse
Vulpia bromoides
2012 Aaron Arthur
Vulpia bromoides
2012 Robert Steers/NPS

native
Annual grass

POACEAE

Vulpia microstachys var. pauciflora
2008 Keir Morse
Vulpia microstachys var. pauciflora
2004 Robert E. Preston, Ph.D.
Vulpia microstachys var. pauciflora
2011 Steve Matson

Vulpia myuros var. hirsuta    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros var. hirsuta
2015 Gary McDonald
Vulpia myuros var. hirsuta
2013 Al Keuter
Vulpia myuros var. hirsuta
2013 Al Keuter

Yucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Yucca whipplei
2016 John Doyen
Yucca whipplei
2019 Matt Berger
Yucca whipplei
2018 Ali Sykes