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

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Achnatherum speciosum    Desert needle grass
(currently Stipa speciosa)
native
Perennial grass

POACEAE

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

Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

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

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

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

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

ASTERACEAE

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

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

SIMAROUBACEAE

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

Allenrolfea occidentalis    Iodine bush,  Iodinebush
native
Shrub

CHENOPODIACEAE

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

Allium crispum    Crinkled onion
native
Perennial herb (bulb)

ALLIACEAE

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

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

ALLIACEAE

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

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

ALLIACEAE

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

Allium lacunosum    Pitted onion
native
Perennial herb (bulb)

ALLIACEAE

Allium lacunosum Allium lacunosum Allium lacunosum
2009 Neal Kramer
1995 Dianne Fristrom
2011 Steven Thorsted

Allium peninsulare    Mexicali onion
native
Perennial herb (bulb)

ALLIACEAE

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

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

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

Ambrosia acanthicarpa    Annual bursage,  Annual burweed
native
Annual herb

ASTERACEAE

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

Amsinckia douglasiana    Douglas' fiddleneck
native
Annual herb

BORAGINACEAE

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

Amsinckia lycopsoides    Bugloss fiddleneck,  Tarweed fiddleneck
native
Annual herb

BORAGINACEAE

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

Amsinckia menziesii var. intermedia    Common fiddleneck
(currently Amsinckia intermedia)
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Amsinckia vernicosa var. furcata    Forked fiddleneck
(currently Amsinckia furcata)
native
Annual herb

BORAGINACEAE

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

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

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

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

PRIMULACEAE

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

Anisocoma acaulis    Scale bud,  Scalebud
native
Annual herb

ASTERACEAE

Anisocoma acaulis Anisocoma acaulis Anisocoma acaulis
2019 Ron Vanderhoff
2019 Richard Spjut
2015 John Dofflemyer

Antirrhinum ovatum    Oval leaved snapdragon
native
Annual herb

PLANTAGINACEAE

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

Arabis pulchra    Beautiful rockcress
(currently Boechera pulchra)
native
Perennial herb

BRASSICACEAE

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

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

ERICACEAE

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

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

ASTERACEAE

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

Asclepias erosa    Desert milkweed
native
Perennial herb

APOCYNACEAE

Asclepias erosa Asclepias erosa Asclepias erosa
2003 James M. Andre
2003 James M. Andre
2005 Brent Miller

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

APOCYNACEAE

Asclepias fascicularis Asclepias fascicularis Asclepias fascicularis
2016 Glen Schneider
2019 Patrick Furtado
2018 Rachelle Gray

Aster sp.   


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

FABACEAE

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

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

FABACEAE

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

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

FABACEAE

Astragalus lentiginosus var. nigricalycis Astragalus lentiginosus var. nigricalycis Astragalus lentiginosus var. nigricalycis
2005 Steve Matson
2012 Neal Kramer
2019 Diane Etchison

Astragalus macrodon    Salinas milk vetch,  Salinas milkvetch
native
Perennial herb

FABACEAE

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

Astragalus oxyphysus    Mt.Diablo milk vetch
native
Perennial herb

FABACEAE

Astragalus oxyphysus Astragalus oxyphysus Astragalus oxyphysus
2005 Brent Miller
1997 Christopher L. Christie
2010 Neal Kramer

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

BRASSICACEAE

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

Atriplex argentea    Silver saltweed,  Silverscale saltbush
native
Annual herb

CHENOPODIACEAE

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

Atriplex canescens    Fourwing saltbush,  Hoary saltbush,  Shadscale
native
Shrub

CHENOPODIACEAE

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

Atriplex confertifolia    Shadscale,  Spiny saltbush
native
Shrub

CHENOPODIACEAE

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

Atriplex coronata    Crownscale
native
Annual herb

CHENOPODIACEAE

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

Atriplex fruticulosa    Ball saltbush,  Valley saltbush
native
Perennial herb

CHENOPODIACEAE

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

Atriplex lentiformis    Big saltbush
native
Shrub

CHENOPODIACEAE

Atriplex lentiformis Atriplex lentiformis Atriplex lentiformis
2019 Diane Etchison
2017 Ron Vanderhoff
2018 Ron Vanderhoff

Atriplex phyllostegia    Coville's orach
(currently Stutzia covillei)
native
Annual herb

CHENOPODIACEAE

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

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

CHENOPODIACEAE

Atriplex polycarpa Atriplex polycarpa Atriplex polycarpa
2005 Steve Matson
2005 Steve Matson
2013 Jean Pawek

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

CHENOPODIACEAE

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

Atriplex spinifera    Mojave saltbush,  Spinescale saltbush
native
Shrub

CHENOPODIACEAE

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

Atriplex vallicola    Lost hills crownscale
(currently Atriplex coronata var. vallicola)
native
Annual herb

CHENOPODIACEAE

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

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

POACEAE

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

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

POACEAE

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

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

ASTERACEAE

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

Blennosperma nanum    Common stickyseed,  Yellow carpet
native
Annual herb

ASTERACEAE

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

Blepharizonia plumosa    Big tarweed
native
Annual herb

ASTERACEAE

Blepharizonia plumosa Blepharizonia plumosa Blepharizonia plumosa
2007 Neal Kramer
2014 John Doyen
2007 Erin McDermott

Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

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

Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra Brassica nigra Brassica nigra
2011 Jorg & Mimi Fleige
2009 Barry Breckling
2009 Zoya Akulova

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

ASTERACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Bromus trinii    Chilean chess
(currently Bromus berteroanus)
non-native
Annual grass

POACEAE

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

Calandrinia ciliata    Red maids
(currently Calandrinia menziesii)
native
Annual herb

MONTIACEAE

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

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

PLANTAGINACEAE

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

Calochortus clavatus ssp. pallidus    Clubhair mariposa lily,  Pale yellow mariposa
(currently Calochortus clavatus var. pallidus)
native
Perennial herb

LILIACEAE

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

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

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

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus Calochortus venustus Calochortus venustus
2019 Randy Huey
2012 Zack Abbey
2018 John L. Thompson

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

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

Camissonia boothii ssp. decorticans    Shredding evening-primrose
(currently Eremothera boothii ssp. decorticans)
native
Annual herb

ONAGRACEAE

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

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

ONAGRACEAE

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

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

ONAGRACEAE

Camissonia contorta Camissonia contorta Camissonia contorta
2009 Keir Morse
2009 Keir Morse
2015 Debra L. Cook

Camissonia palmeri    Palmer's sun cup ,  Palmer's evening primrose
(currently Tetrapteron palmeri)
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

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

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

CYPERACEAE

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

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

Castilleja plagiotoma    Mojave indian paintbrush
native
Perennial herb (hemiparasitic)

OROBANCHACEAE

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

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

OROBANCHACEAE

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

Caulanthus californicus    California jewelflower
native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

Caulanthus inflatus    Desert candle
native
Annual herb

BRASSICACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Chaenactis fremontii    Fremont pincushion,  Pincushion flower
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

Chaenactis stevioides    Desert pincushion,  Esteve pincushion
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

Chaenactis xantiana Chaenactis xantiana Chaenactis xantiana
2010 James M. Andre
2013 Neal Kramer
2010 James M. Andre

Chamaesyce ocellata    Contura creek spurge
(currently Euphorbia ocellata)
native
Annual herb

EUPHORBIACEAE

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

Chamaesyce polycarpa    Smallseed sandmat
(currently Euphorbia polycarpa)
native
Perennial herb

EUPHORBIACEAE

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

Chamomilla occidentalis    Valley mayweed
(currently Matricaria occidentalis)
native
Annual herb

ASTERACEAE

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

Chamomilla suaveolens    Pineapple weed
(currently Matricaria discoidea)
native
Annual herb

ASTERACEAE

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

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

CHENOPODIACEAE

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

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

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

Chorizanthe angustifolia    Narrow leaf spineflower,  Narrowleaf spineflower
native
Annual herb

POLYGONACEAE

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

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

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

Chorizanthe uniaristata    One awn spineflower,  Oneawn spineflower
native
Annual herb

POLYGONACEAE

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

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

POLYGONACEAE

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

Chorizanthe xanti    Riverside spineflower,  Xantus' spineflower
native
Annual herb

POLYGONACEAE

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

Chrysothamnus nauseosus ssp. mohavensis    Mojave rabbitbrush
(currently Ericameria nauseosa var. mohavensis)
native
Shrub

ASTERACEAE

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

Cirsium sp.   


Clarkia cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

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

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

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera Clarkia purpurea ssp. quadrivulnera Clarkia purpurea ssp. quadrivulnera
2019 Joe Engelbrecht
2018 Ron Vanderhoff
2019 Joe Engelbrecht

Claytonia gypsophiloides    Gypsum spring beauty,  Gypsum springbeauty
native
Annual herb

MONTIACEAE

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

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

MONTIACEAE

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

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

PLANTAGINACEAE

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

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

CONVOLVULACEAE

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

Conyza coulteri    Coulter's horseweed
(currently Laennecia coulteri)
native
Annual herb

ASTERACEAE

Conyza coulteri Conyza coulteri Conyza coulteri
2006 Adonis (Don) Tate
2018 Ken Hickman
2018 Richard Spellenberg

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

OROBANCHACEAE

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

Coreopsis bigelovii    Bigelow coreopsis
(currently Leptosyne bigelovii)
native
Annual herb

ASTERACEAE

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

Coreopsis calliopsidea    Leafy stemmed coreopsis
(currently Leptosyne calliopsidea)
native
Annual herb

ASTERACEAE

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

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

CRASSULACEAE

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

Cressa truxillensis    Alkali weed,  Spreading alkaliweed
native
Perennial herb

CONVOLVULACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Cryptantha clokeyi    Clokey's cryptantha,  Prickly cryptantha
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Cryptantha intermedia    Clearwater cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

CUCURBITACEAE

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

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

CUCURBITACEAE

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

Cupressus arizonica    Cuyamaca cypress
(currently Hesperocyparis stephensonii)
native
Tree

CUPRESSACEAE

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

Cupressus macrocarpa    Monterey cypress
(currently Hesperocyparis macrocarpa)
native
Tree

CUPRESSACEAE

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

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

CONVOLVULACEAE

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

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

POACEAE

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

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

SOLANACEAE

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

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

RANUNCULACEAE

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

Delphinium parryi    San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

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

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

RANUNCULACEAE

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

Delphinium recurvatum    Byron larkspur,  Recurved larkspur
native
Perennial herb

RANUNCULACEAE

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

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

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

BRASSICACEAE

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

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

BRASSICACEAE

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

Dichelostemma capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

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

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

POACEAE

Distichlis spicata Distichlis spicata Distichlis spicata
2013 Arcangelo Wessells
2018 Rachelle Gray
2016 Andrew Longman

Dodecatheon clevelandii    Padre's shooting star
(currently Primula clevelandii)
native
Perennial herb

PRIMULACEAE

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

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

CRASSULACEAE

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

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

ASTERACEAE

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

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

CYPERACEAE

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

Elymus elymoides ssp. elymoides    Squirrel tail grass
(currently Elymus elymoides var. elymoides)
native
Perennial grass

POACEAE

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

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

Elymus glaucus Elymus glaucus Elymus glaucus
2009 Keir Morse
2009 Keir Morse
2006 Laura Ann Eliassen

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

BORAGINACEAE

Emmenanthe penduliflora Emmenanthe penduliflora Emmenanthe penduliflora
2005 James M. Andre
2019 Tracy Park
2018 Ron Vanderhoff

Encelia actoni    Acton encelia
native
Shrub

ASTERACEAE

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

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

EPHEDRACEAE

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

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

EPHEDRACEAE

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

Epilobium canum ssp. canum    California fuchsia,  Hummingbird trumpet
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. canum Epilobium canum ssp. canum Epilobium canum ssp. canum
2018 Ron Vanderhoff
2007 Neal Kramer
2018 Ron Vanderhoff

Epilobium pygmaeum    Smooth boisduvalia
(currently Epilobium campestre)
native
Annual herb

ONAGRACEAE

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

Eremalche exilis    White mallow
native
Annual herb

MALVACEAE

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

Eremalche parryi    Parry's mallow
native
Annual herb

MALVACEAE

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

Eremocarpus setigerus    Turkey-mullein
(currently Croton setiger)
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus Eremocarpus setigerus Eremocarpus setigerus
2018 Rachelle Gray
2018 Rachelle Gray
2019 Jennifer Mo

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

POLEMONIACEAE

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

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

POLEMONIACEAE

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

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

POLEMONIACEAE

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

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

POLEMONIACEAE

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

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

POLEMONIACEAE

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

Eriastrum pluriflorum    Many flowered eriastrum,  Tehachapi woollystar
native
Annual herb

POLEMONIACEAE

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

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

ASTERACEAE

Ericameria cuneata Ericameria cuneata Ericameria cuneata
2009 Zoya Akulova
2011 Steve Matson
2009 James M. Andre

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

ASTERACEAE

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

Eriogonum angulosum    Angled stem buckwheat,  Anglestem buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum baileyi    Bailey buckwheat,  Bailey's buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum cithariforme    Cithara buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum covilleanum    Coville's buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum davidsonii    Davidson buckwheat,  Davidson's buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum Eriogonum elongatum var. elongatum Eriogonum elongatum var. elongatum
2009 Keir Morse
2014 Julia King
2009 Keir Morse

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

POLYGONACEAE

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

Eriogonum gossypinum    Cottony buckwheat
native
Annual herb

POLYGONACEAE

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

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

POLYGONACEAE

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

Eriogonum heermannii    Heerman buckwheat,  Heermann's buckwheat
native
Shrub

POLYGONACEAE

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

Eriogonum inflatum    Reveal's buckwheat
(currently Eriogonum contiguum)
native
Annual herb

POLYGONACEAE

Eriogonum inflatum Eriogonum inflatum
2009 Dana York
2008 Steve Matson

Eriogonum maculatum    Angle stermed buckwheat,  Spotted buckwheat
native
Annual herb

POLYGONACEAE

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

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

POLYGONACEAE

Eriogonum nudum var. indictum Eriogonum nudum var. indictum Eriogonum nudum var. indictum
2009 Neal Kramer
2005 Robert E. Preston, Ph.D.
2019 Matt Berger

Eriogonum ordii    Fort mojave buckwheat
native
Annual herb

POLYGONACEAE

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

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

POLYGONACEAE

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

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

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

Eriophyllum confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum Eriophyllum confertiflorum Eriophyllum confertiflorum
2016 Erik Larsen
2019 Diane Etchison
2018 Cynthia Powell

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

ASTERACEAE

Eriophyllum pringlei Eriophyllum pringlei Eriophyllum pringlei
2006 Steve Matson
2003 Christopher L. Christie
2006 Steve Matson

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

GERANIACEAE

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

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

GERANIACEAE

Erodium cicutarium Erodium cicutarium Erodium cicutarium
2016 Keir Morse
2019 Diane Etchison
2019 Richard Spjut

Erodium macrophyllum    Round leaved filaree
(currently California macrophylla)
native
Annual herb

GERANIACEAE

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

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

GERANIACEAE

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

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

APIACEAE

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

Erysimum capitatum    Sanddune wallflower,  Western wallflower
native
Perennial herb

BRASSICACEAE

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

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

Eschscholzia lemmonii    Lemmon's poppy
native
Annual herb

PAPAVERACEAE

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

Eucalyptus polyanthemos    Redbox,  Silver dollar gum
non-native
Tree

MYRTACEAE

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

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

MYRTACEAE


Filago gallica    Narrowleaf cottonrose
(currently Logfia gallica)
non-native
Annual herb

ASTERACEAE

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

Forestiera pubescens    Desert olive,  Stretchberry
native
Shrub

OLEACEAE

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

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

FRANKENIACEAE

Frankenia salina Frankenia salina Frankenia salina
2006 Steve Matson
2014 Neal Kramer
2019 stephen rosenthal

Fritillaria agrestis    Stinkbells
native
Perennial herb (bulb)

LILIACEAE

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

Fritillaria biflora    Chocolate lily
native
Perennial herb

LILIACEAE

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

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

RUBIACEAE

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

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens Garrya flavescens Garrya flavescens
2016 Keir Morse
2009 Barry Breckling
2012 Gary A. Monroe

Gilia austro-occidentalis    Southwestern gilia
native
Annual herb

POLEMONIACEAE

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

Gilia brecciarum ssp. jacens    Nevada gilia
(currently Gilia jacens)
native
Annual herb

POLEMONIACEAE

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

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

POLEMONIACEAE

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

Gilia malior    Scrub gilia
native
Annual herb

POLEMONIACEAE

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

Gilia minor    Little gilia
native
Annual herb

POLEMONIACEAE

Gilia minor Gilia minor Gilia minor
2005 Michael Charters
2005 Michael Charters
2005 Michael Charters

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

POLEMONIACEAE

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

Gnaphalium luteo-album    Jersey cudweed
(currently Pseudognaphalium luteoalbum)
non-native
Annual herb

ASTERACEAE

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

Grayia spinosa    Hop sage,  Spiny hopsage
native
Shrub

CHENOPODIACEAE

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

Guillenia lasiophylla    California mustard
(currently Caulanthus lasiophyllus)
native
Annual herb

BRASSICACEAE

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

Guillenia lemmonii    Lemmon's mustard
(currently Caulanthus anceps)
native
Annual herb

BRASSICACEAE

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

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

ASTERACEAE

Gutierrezia californica Gutierrezia californica Gutierrezia californica
2008 Keir Morse
2010 Neal Kramer
2018 Ron Vanderhoff

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

ASTERACEAE

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

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

ASTERACEAE

Helianthus annuus Helianthus annuus Helianthus annuus
2003 George W. Hartwell
2011 Zoya Akulova
2017 Kristin Sabo

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

BORAGINACEAE

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

Hemiaria hirsuta ssp. cineria   


Hemizonia fitchii    Spikeweed
(currently Centromadia fitchii)
native
Annual herb

ASTERACEAE

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

Hemizonia pallida    Kern tarweed
(currently Deinandra pallida)
native
Annual herb

ASTERACEAE

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

Hemizonia pentactis    Salinas river tarweed
(currently Deinandra pentactis)
native
Annual herb

ASTERACEAE

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

Hemizonia pungens    Common tarweed,  Common spikeweed
(currently Centromadia pungens)
native
Annual herb

ASTERACEAE

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

Heterodraba unilateralis    Ladiestongue mustard
(currently Athysanus unilateralis)
native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

Hirschfeldia incana Hirschfeldia incana Hirschfeldia incana
2017 Gary McDonald
2017 Gary McDonald
2008 Neal Kramer

Hollisteria lanata    False spikeflower,  False spineflower
native
Annual herb

POLYGONACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Hordeum sp.   


Hutchinsia procumbens    Prostrate hutchinsia
(currently Hornungia procumbens)
non-native

BRASSICACEAE

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

Hymenoclea salsola    Cheesebrush,  Burrobrush
(currently Ambrosia salsola)
native
Shrub

ASTERACEAE

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

Isocoma acradenia var. bracteosa    Bracted alkali goldenbush
native
Shrub

ASTERACEAE

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

Isomeris arborea    Bladderpod
(currently Peritoma arborea)
native
Shrub

CLEOMACEAE

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

Juncus balticus    Baltic rush,  Wire rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

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

Krascheninnikovia lanata    Winter fat,  Winterfat
native
Shrub

CHENOPODIACEAE

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

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

ASTERACEAE

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

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

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

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

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

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

ASTERACEAE

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

Lasthenia debilis    Greene's goldfields
native
Annual herb

ASTERACEAE

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

Lasthenia ferrisiae    Alkali goldfields,  Ferris' goldfields
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Layia heterotricha    Pale yellow layia,  Paleyellow tidytips
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

Lembertia congdonii    San joaquin woollythreads
(currently Monolopia congdonii)
native
Annual herb

ASTERACEAE

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

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

Lepidium dictyotum Lepidium dictyotum Lepidium dictyotum
2009 Zoya Akulova
2012 Jean Pawek
2009 Zoya Akulova

Lepidium dictyotum var. acutidens    Net pepper grass
(currently Lepidium acutidens)
native
Annual, Perennial herb

BRASSICACEAE

Lepidium dictyotum var. acutidens Lepidium dictyotum var. acutidens Lepidium dictyotum var. acutidens
2008 Aaron Schusteff
2013 Jake Ruygt
2003 George W. Hartwell

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

BRASSICACEAE

Lepidium jaredii Lepidium jaredii
2010 Neal Kramer
2009 California State University, Stanislaus

Lepidium lasiocarpum var. lasiocarpum    Shaggyfruit pepperweed
(currently Lepidium lasiocarpum ssp. lasiocarpum)
native
Annual herb

BRASSICACEAE

Lepidium lasiocarpum var. lasiocarpum Lepidium lasiocarpum var. lasiocarpum Lepidium lasiocarpum var. lasiocarpum
2010 Thomas Stoughton
2012 Keir Morse
1998 Larry Blakely

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

BRASSICACEAE

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

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

ASTERACEAE

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

Lessingia filaginifolia    Common sandaster
(currently Corethrogyne filaginifolia)
native
Perennial herb

ASTERACEAE

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

Lessingia glandulifera    Valley lessingia,  Valley vinegar weed
native
Annual herb

ASTERACEAE

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

Lessingia lemmonii var. lemmonii    Sticky lessingia,  Valley lessingia
(currently Lessingia glandulifera var. glandulifera)
native
Annual herb

ASTERACEAE

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

Lessingia tenuis    Spring lessingia
native
Annual herb

ASTERACEAE

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

Leymus triticoides    Beardless wild rye
(currently Elymus triticoides)
native
Perennial grass

POACEAE

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

Linanthus aureus ssp. decorus    Golden linanthus
(currently Leptosiphon aureus ssp. decorus)
native
Annual herb

POLEMONIACEAE

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

Linanthus bigelovii    Bigelow's linanthus
native
Annual herb

POLEMONIACEAE

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

Linanthus dichotomus    Evening snow,  Eveningsnow
native
Annual herb

POLEMONIACEAE

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

Linanthus liniflorus    Narrowflower flaxflower
(currently Leptosiphon liniflorus)
native
Annual herb

POLEMONIACEAE

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

Linanthus parviflorus    Variable linanthus
(currently Leptosiphon parviflorus)
native
Annual herb

POLEMONIACEAE

Linanthus parviflorus Linanthus parviflorus Linanthus parviflorus
2009 Keir Morse
2016 Ron Vanderhoff
2009 Paul Hankamp

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

POLEMONIACEAE

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

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

APIACEAE

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

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

APIACEAE

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

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

APIACEAE

Lomatium utriculatum Lomatium utriculatum Lomatium utriculatum
2007 Lynn Watson
2015 Debra L. Cook
2015 James Gonsman

Lonicera subspicata    Southern honeysuckle
native
Shrub

CAPRIFOLIACEAE

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

Lotus humistratus    Short podded lotus
(currently Acmispon brachycarpus)
native
Annual herb

FABACEAE

Lotus humistratus Lotus humistratus Lotus humistratus
2015 Steven M Serkanic
2018 Chico Hiking Association
2013 Jean Pawek

Lotus salsuginosus    Coastal lotus
(currently Acmispon maritimus)
native
Annual herb

FABACEAE

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

Lotus scoparius    Deerweed
(currently Acmispon glaber)
native
Perennial herb

FABACEAE

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

Lotus strigosus    Strigose lotus
(currently Acmispon strigosus)
native
Annual herb

FABACEAE

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

Lotus wrangelianus    Chilean trefoil
(currently Acmispon wrangelianus)
native
Annual herb

FABACEAE

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

Lupinus albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons Lupinus albifrons Lupinus albifrons
2008 Keir Morse
2018 Bruce Homer-Smith
2012 Gary A. Monroe

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

FABACEAE

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

Lupinus microcarpus var. horizontalis    Chick lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

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

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

SOLANACEAE

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

Maclura pomifera    Osage orange
non-native
Tree, Shrub

MORACEAE

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

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

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

Malacothrix californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

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

Malacothrix coulteri    Snake's head
native
Annual herb

ASTERACEAE

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

Malacothrix glabrata    Desert dandelion,  Smooth desertdandelion
native
Annual herb

ASTERACEAE

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

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

Malvella leprosa    Alkali mallow
native
Perennial herb

MALVACEAE

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

Marah fabaceus    California man-root
(currently Marah fabacea)
native
Perennial herb, Vine

CUCURBITACEAE

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

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

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

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

FABACEAE

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

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

POACEAE

Melica imperfecta Melica imperfecta Melica imperfecta
2009 Keir Morse
2014 Steve Matson
2019 Bonnie Nickel

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

LAMIACEAE

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

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

LOASACEAE

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

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

LOASACEAE

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

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

LOASACEAE

Mentzelia dispersa Mentzelia dispersa Mentzelia dispersa
2019 Chico Hiking Association
2003 Steve Matson
2003 Steve Matson

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

LOASACEAE

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

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

LOASACEAE

Mentzelia pectinata Mentzelia pectinata
2005 Steve Matson
2008 Aaron Schusteff

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

ASTERACEAE

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

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

ASTERACEAE

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

Microseris elegans    Elegant silverpuffs
native
Annual herb

ASTERACEAE

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

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

PHRYMACEAE

Mimulus guttatus Mimulus guttatus Mimulus guttatus
2019 Chico Hiking Association
2018 Cynthia Powell
2015 James Gonsman

Mirabilis californica    California four o'clock
(currently Mirabilis laevis var. crassifolia)
native
Perennial herb

NYCTAGINACEAE

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

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

NYCTAGINACEAE

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

Monardella breweri    Brewer's monardella
native
Annual herb

LAMIACEAE

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

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

CHENOPODIACEAE

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

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

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

Monolopia stricta    Crum's monolopia
native
Annual herb

ASTERACEAE

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

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

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

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

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

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

RANUNCULACEAE

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

Nama californicum    California fiddleleaf
native
Annual herb

BORAGINACEAE

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

Nassella cernua    Nodding needle grass
(currently Stipa cernua)
native
Perennial grass

POACEAE

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

Nassella pulchra    Purple needle grass
(currently Stipa pulchra)
native
Perennial grass

POACEAE

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

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides Navarretia atractyloides Navarretia atractyloides
2007 Laura Ann Eliassen
2009 Neal Kramer
2019 Ron Vanderhoff

Navarretia jaredii    Paso robles navarretia
(currently Navarretia mitracarpa)
native
Annual herb

POLEMONIACEAE

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

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

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

Nicotiana glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca Nicotiana glauca Nicotiana glauca
2017 Steve Matson
2006 Brent Miller
2018 Nicole Leatherman

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

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

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

ONAGRACEAE

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

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Parietaria hespera    Pelitory,  Pellitory,  Rillita pellitory
native
Annual herb

URTICACEAE

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

Parishella californica    Mojave dwarf
(currently Nemacladus californicus)
native
Annual herb

CAMPANULACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

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

PTERIDACEAE

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

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

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

Pentachaeta fragilis    Fragile pygmy daisy,  Fragile pygmydaisy
native
Annual herb

ASTERACEAE

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

Perideridia pringlei    Adobe yampah
native
Perennial herb

APIACEAE

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

Phacelia affinis    Limestone phacelia,  Purple bell phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia ciliata    Great valley phacelia
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Phacelia douglasii    Douglas' phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

BORAGINACEAE

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

Phacelia fremontii    Fremont's phacelia
native
Annual herb

BORAGINACEAE

Phacelia fremontii Phacelia fremontii Phacelia fremontii
2019 Diane Etchison
2019 Diane Etchison
2019 Marisa Persaud

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

BORAGINACEAE

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

Phalaris canariensis    Annual canarygrass
non-native
Annual grass

POACEAE

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

Phlox gracilis    Slender phlox
(currently Microsteris gracilis)
native
Annual herb

POLEMONIACEAE

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

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

BORAGINACEAE

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

Phoradendron densum    Bollean mistletoe
(currently Phoradendron bolleanum)
native
Shrub (parasitic)

VISCACEAE

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

Phoradendron juniperinum    Juniper mistletoe
native
Shrub (parasitic)

VISCACEAE

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

Pilularia americana    American pillwort
native
Fern

MARSILEACEAE

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

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

PINACEAE

Pinus monophylla Pinus monophylla Pinus monophylla
2018 Diane Etchison
2012 Steven and Shellie Perry
2010 Lee Dittmann

Plagiobothrys acanthocarpus    Adobe allocarya,  Adobe popcornflower
native
Annual herb

BORAGINACEAE

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

Plagiobothrys arizonicus    Arizona popcorn flower,  Arizona popcornflower
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Plagiobothrys leptocladus    Alkali plagiobothrys,  Finebranched popcornflower
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus Platystemon californicus Platystemon californicus
2019 Matt Berger
and Buff Corsi 2007 California Academy of Sciences
2019 Diane Etchison

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

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

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

FABACEAE

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

Prunus fasciculata    Desert almond,  Desert range almond
native
Shrub

ROSACEAE

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

Psilocarphus brevissimus    Short woollyheads,  Woolly marbles
native
Annual herb

ASTERACEAE

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

Psilocarphus sp.   


Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii Quercus douglasii Quercus douglasii
2015 Chris Jaster
2015 Jean B Henney
2018 Gary McDonald

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

FAGACEAE

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

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

GROSSULARIACEAE

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

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

POLYGONACEAE

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

Rumex hymenosepalus    Canaigre dock,  Wild rhubarb
native
Perennial herb

POLYGONACEAE

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

Salix babylonica    Weeping willow
non-native
Tree

SALICACEAE

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

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

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

CHENOPODIACEAE

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

Salvia carduacea    Thistle sage
native
Annual herb

LAMIACEAE

Salvia carduacea Salvia carduacea Salvia carduacea
2005 Michelle Cloud-Hughes
2002 Christopher L. Christie
2002 Christopher L. Christie

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla Salvia leucophylla Salvia leucophylla
2015 Steven M Norris
2016 John Doyen
2010 Michael O'Brien

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Sambucus mexicana    Blue elderberry
(currently Sambucus nigra ssp. caerulea)
native
Shrub

ADOXACEAE

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

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

ANACARDIACEAE

Schinus molle Schinus molle Schinus molle
2009 Neal Kramer
2017 William McCarey
1999 John Randall, Ph.D.

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

POACEAE

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

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

POACEAE

Schismus barbatus Schismus barbatus Schismus barbatus
2001 Joe DiTomaso
2018 Birgit Knorr
2007 Neal Kramer

Scirpus robustus    Sturdy bullrush
(currently Bolboschoenus robustus)
native
Perennial grasslike herb

CYPERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

Senecio vulgaris Senecio vulgaris Senecio vulgaris
2005 Steve Matson
2008 Neal Kramer
2019 Ron Vanderhoff

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

Sisymbrium irio    London rocket
invasive non-native
Annual herb

BRASSICACEAE

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

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

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

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

ASTERACEAE

Sonchus oleraceus Sonchus oleraceus Sonchus oleraceus
2019 Diane Etchison
2015 Jesse Rorabaugh
2016 Andrew Longman

Sorghum bicolor    Sorghum
non-native
Annual grass

POACEAE

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

Spergula arvensis ssp. arvensis    Corn spurry
(currently Spergula arvensis)
non-native
Annual herb

CARYOPHYLLACEAE

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

Spergularia atrosperma    Blackseed sandspurry,  Sand spurrey
native
Annual herb

CARYOPHYLLACEAE

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

Spergularia marina    Salt marsh sand spurry
native
Annual herb

CARYOPHYLLACEAE

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

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

BRASSICACEAE

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

Stebbinsoseris heterocarpa    Grassland stebbinsoseris
native
Annual herb

ASTERACEAE

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

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

CARYOPHYLLACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Stylomecon heterophylla    Wind poppy
(currently Papaver heterophyllum)
native
Annual herb

PAPAVERACEAE

Stylomecon heterophylla Stylomecon heterophylla Stylomecon heterophylla
2019 John L. Thompson
2017 Gary McDonald
2007 Neal Kramer

Suaeda moquinii    Bush seepweed
(currently Suaeda nigra)
native
Perennial herb

CHENOPODIACEAE

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

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

TAMARICACEAE

Tamarix ramosissima Tamarix ramosissima Tamarix ramosissima
2017 Barbara Boethling
2017 Barbara Boethling
2018 Ron Vanderhoff

Thysanocarpus curvipes    Fringe Pod
(currently Thysanocarpus curvipes ssp. curvipes)
native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes Thysanocarpus curvipes Thysanocarpus curvipes
2016 David popp
2018 Zoya Akulova
2017 David popp

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum Trichostema lanceolatum Trichostema lanceolatum
2018 Ron Vanderhoff
2016 Nathan Mudry
2018 Emily Allen

Trichostema ovatum    San joaquin bluecurls
native
Annual herb

LAMIACEAE

Trichostema ovatum Trichostema ovatum Trichostema ovatum
2012 Neal Kramer
2009 California State University, Stanislaus
2012 Neal Kramer

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

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

Trifolium albopurpureum var. olivaceum    Olive clover
(currently Trifolium olivaceum)
native
Annual herb

FABACEAE

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

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

FABACEAE

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

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

FABACEAE

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

Triticum sp.   


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

BRASSICACEAE

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

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

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

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

VERBENACEAE

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

Vulpia bromoides    Brome fescue
(currently Festuca bromoides)
non-native
Annual grass

POACEAE

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

Vulpia microstachys var. pauciflora    Small fescue
(currently Festuca microstachys)
native
Annual grass

POACEAE

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

Vulpia myuros var. hirsuta    Rattail sixweeks grass
(currently Festuca myuros)
invasive non-native
Annual grass

POACEAE

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

Yucca whipplei    Chaparral yucca
(currently Hesperoyucca whipplei)
native
Shrub

AGAVACEAE

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