logo Calflora Illustrated Plant List 

Southern Diablo Range along Highway 41 corridor, northeastern corner of San Luis Obispo County

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-09)

Record Detail Nearby Surveys What Grows Here?
204 PLANTS
Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

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

Acmispon brachycarpus    Short podded lotus
native
Annual herb

FABACEAE

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

Acmispon wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

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

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

ALLIACEAE

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

Allophyllum gilioides ssp. gilioides    Dense false gilia,  Dense false gilyflower
native
Annual herb

POLEMONIACEAE

Allophyllum gilioides ssp. gilioides
2019 Matt Berger
Allophyllum gilioides ssp. gilioides
2009 Keir Morse
Allophyllum gilioides ssp. gilioides
2019 Matt Berger

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

Amsinckia tessellata var. tessellata
2016 James Gonsman
Amsinckia tessellata var. tessellata
2019 Matt Berger
Amsinckia tessellata var. tessellata
2006 Chris Wagner, SBNF

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

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

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

PRIMULACEAE

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

Antirrhinum ovatum    Oval leaved snapdragon
native
Annual herb

PLANTAGINACEAE

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

Aphyllon californicum ssp. condensum    California broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE


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

ASTERACEAE

Artemisia californica
2019 Diane Etchison
Artemisia californica
2018 James Gonsman
Artemisia californica
2020 Bryant Baker

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

FABACEAE

Astragalus asymmetricus
2020 Susan McDougall
Astragalus asymmetricus
2020 Susan McDougall
Astragalus asymmetricus
2015 John Doyen

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

FABACEAE

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

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

FABACEAE

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

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

FABACEAE

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

Astragalus oxyphysus    Stanislaus milkvetch
native
Perennial herb

FABACEAE

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

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

BRASSICACEAE

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

native
Annual herb

CHENOPODIACEAE

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

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

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

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Bromus arizonicus    Arizona brome
native
Annual grass

POACEAE

Bromus arizonicus
2006 Steve Matson
Bromus arizonicus
2006 Steve Matson
Bromus arizonicus
Ian Cain

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

POACEAE

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

Bromus madritensis    Foxtail chess, foxtail brome,  Madrid brome,  Spanish brome
non-native
Annual grass

POACEAE

Bromus madritensis
2009 Keir Morse
Bromus madritensis
2009 Barry Rice
Bromus madritensis
2005 Steve Matson

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

POACEAE

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

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
2019 Gary McDonald
Carduus pycnocephalus
2008 Zoya Akulova
Carduus pycnocephalus
2006 Chris Wagner, SBNF

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

OROBANCHACEAE

Castilleja exserta ssp. exserta
2020 David Greenberger
Castilleja exserta ssp. exserta
2017 Keir Morse
Castilleja exserta ssp. exserta
2018 Gary McDonald

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

OROBANCHACEAE

Castilleja subinclusa var. jepsonii
2010 Larry Beckerman
Castilleja subinclusa var. jepsonii
2013 Neal Kramer
Castilleja subinclusa var. jepsonii
2019 David popp

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

ASTERACEAE

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

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

ASTERACEAE

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

Centromadia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Chaenactis stevioides    Desert pincushion,  Esteve pincushion
native
Annual herb

ASTERACEAE

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

Chorizanthe biloba var. biloba    Two lobed spineflower,  Twolobe spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe biloba var. biloba
2013 Chris Winchell
Chorizanthe biloba var. biloba
2006 Laura Ann Eliassen
Chorizanthe biloba var. biloba
2013 Chris Winchell

Chorizanthe ventricosa    Priest valley spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe ventricosa
2013 Chris Winchell
Chorizanthe ventricosa
2014 Neal Kramer
Chorizanthe ventricosa
2014 Chris Winchell

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

POLYGONACEAE

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

Cirsium occidentale var. venustum    Cobwebby thistle,  Red thistle,  Venus thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. venustum
2004 David A. Tharp
Cirsium occidentale var. venustum
2010 James M. Andre
Cirsium occidentale var. venustum
2020 Sara Timby

Clarkia cylindrica ssp. cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica ssp. cylindrica
2019 David Greenberger
Clarkia cylindrica ssp. cylindrica
2019 Bryant Baker
Clarkia cylindrica ssp. cylindrica
2012 Neal Kramer

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

ONAGRACEAE

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

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

ONAGRACEAE

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

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

MONTIACEAE

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

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

MONTIACEAE

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

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

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

Collinsia sparsiflora var. collina    Hillside collinsia,  Spinster's blue eyed mary
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. collina
2015 John Doyen
Collinsia sparsiflora var. collina
2009 Keir Morse
Collinsia sparsiflora var. collina
2015 Steve Matson

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2008 Keir Morse
Conium maculatum
2016 Cynthia Powell
Conium maculatum
2019 Ron Vanderhoff

Convolvulus simulans    Small flowered morning glory
native
Annual herb

CONVOLVULACEAE

Convolvulus simulans
2003 Michael Charters
Convolvulus simulans
2012 Neal Kramer
Convolvulus simulans
2009 Vince Scheidt

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

CRASSULACEAE

Crassula connata
2020 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff

Cryptantha barbigera var. barbigera    Bearded cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha clevelandii var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii var. florosa
2011 Steve Matson
Cryptantha clevelandii var. florosa
2020 Ryan Carle
Cryptantha clevelandii var. florosa
2011 Steve Matson

Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha nevadensis var. rigida    Rigid cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha oxygona    Sharp nut cryptantha,  Sharpnut cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha sparsiflora    Slender cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha sparsiflora
2011 Steve Matson
Cryptantha sparsiflora
2011 Steve Matson

Deinandra halliana    Hall's tarplant
native
Annual herb

ASTERACEAE

Deinandra halliana
2015 Chris Winchell
Deinandra halliana
2015 Chris Winchell
Deinandra halliana
2019 joey malone

Deinandra kelloggii    Kellogg's tarweed
native
Annual herb

ASTERACEAE

Deinandra kelloggii
2009 Neal Kramer
Deinandra kelloggii
2019 Dave Beller
Deinandra kelloggii
2016 Keir Morse

Deinandra pallida    Kern tarweed
native
Annual herb

ASTERACEAE

Deinandra pallida
2010 Neal Kramer
Deinandra pallida
2019 Diane Etchison
Deinandra pallida
2019 Diane Etchison

Deinandra pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

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

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

RANUNCULACEAE

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

Dipterostemon capitatus ssp. capitatus   


Elymus glaucus ssp. glaucus    Blue wild rye,  Blue wildrye,  Western rye grass
native
Perennial grass

POACEAE

Elymus glaucus ssp. glaucus
2009 Keir Morse
Elymus glaucus ssp. glaucus
2008 Keir Morse
Elymus glaucus ssp. glaucus
2008 Keir Morse

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

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

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

native
Annual herb

MALVACEAE

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

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

ONAGRACEAE

Eremothera boothii ssp. decorticans
2019 Matt Berger
Eremothera boothii ssp. decorticans
2020 David Greenberger
Eremothera boothii ssp. decorticans
2017 Bonnie Nickel

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

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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 covilleanum    Coville's buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum
2017 Ron Vanderhoff
Eriogonum elongatum var. elongatum
2019 Aaron Echols
Eriogonum elongatum var. elongatum
2009 Keir Morse

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

POLYGONACEAE

Eriogonum fasciculatum var. foliolosum
2017 John Doyen
Eriogonum fasciculatum var. foliolosum
2009 Keir Morse
Eriogonum fasciculatum var. foliolosum
2017 John Doyen

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

POLYGONACEAE

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

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum temblorense    Temblor buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum temblorense
2010 Chris Winchell
Eriogonum temblorense
2010 Chris Winchell

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

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

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

ASTERACEAE

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

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 brachycarpum    Foothill filaree,  Short fruited filaree,  Shortfruit stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium brachycarpum
2018 James Bailey
Erodium brachycarpum
2018 John Doyen
Erodium brachycarpum
2016 John Doyen

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

GERANIACEAE

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

Erodium 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

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Erythranthe cardinalis
Geoff Burleigh
Erythranthe cardinalis
Geoff Burleigh
Erythranthe cardinalis
2019 Diane Etchison

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

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

PAPAVERACEAE

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

native
Annual herb

PAPAVERACEAE

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

Eschscholzia minutiflora    Coville s poppy,  Pygmy poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia minutiflora
2004 James M. Andre
Eschscholzia minutiflora
1998 Larry Blakely
Eschscholzia minutiflora
2017 Diane Etchison

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

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

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Festuca perennis    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Festuca perennis
2004 Carol W. Witham
Festuca perennis
2018 MCOSD EDRR
Festuca perennis
2003 James B. Gratiot

Fritillaria agrestis    Stinkbells
native
Perennial herb (bulb)

LILIACEAE

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

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

RUBIACEAE

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

Gilia brecciarum    Nevada gilia,  Small gilia
native
Annual herb

POLEMONIACEAE

Gilia brecciarum
2003 Michael Charters
Gilia brecciarum
2018 John Doyen
Gilia brecciarum
2009 Robert Steers

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

POLEMONIACEAE


Gilia tricolor ssp. diffusa    Bird's eye gilia,  Bird's eyes
native
Annual herb

POLEMONIACEAE

Gilia tricolor ssp. diffusa
2016 Richard Chasey
Gilia tricolor ssp. diffusa
2019 Matt Berger
Gilia tricolor ssp. diffusa
2019 Matt Berger

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

POLEMONIACEAE

Gilia tricolor ssp. tricolor
2005 Victoria Marshall
Gilia tricolor ssp. tricolor
2005 Christopher L. Christie
Gilia tricolor ssp. tricolor
2018 Vernon Smith

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
2020 stephen rosenthal
Grindelia hirsutula
2015 Ken Lunders
Grindelia hirsutula
2020 R.A. Chasey

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

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

BRASSICACEAE

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

Hollisteria lanata    False spikeflower,  False spineflower
native
Annual herb

POLYGONACEAE

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

Holocarpha heermannii    Heermann's tarweed
native
Annual herb

ASTERACEAE

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

Hordeum 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 vulgare    Common barley
non-native
Annual grass

POACEAE

Hordeum vulgare
2009 Neal Kramer
Hordeum vulgare
2009 Neal Kramer
Hordeum vulgare
2018 Rachelle Gray

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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

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

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

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2017 Diane Etchison
Lactuca serriola
2020 Ryan Carle

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

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
2006 Luigi Rignanese
Lamarckia aurea
2019 Ron Vanderhoff
Lamarckia aurea
2007 Neal Kramer

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Layia heterotricha    Pale yellow layia,  Paleyellow tidytips
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

Layia munzii
2006 Steve Matson
Layia munzii
2012 Gary A. Monroe
Layia munzii
2017 Neal Kramer

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 pentachaeta ssp. albida
2015 Debra L. Cook

Lemna sp.   


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

BRASSICACEAE

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

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

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

Leptosyne bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

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

Leptosyne calliopsidea    Leafy stemmed coreopsis
native
Annual herb

ASTERACEAE

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

native
Annual herb

POLEMONIACEAE

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

Lithophragma parviflorum var. parviflorum    Pink woodland star,  Smallflower woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma parviflorum var. parviflorum
2008 Steve Matson
Lithophragma parviflorum var. parviflorum
2019 Gary McDonald
Lithophragma parviflorum var. parviflorum
2019 Gary McDonald

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

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

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

FABACEAE

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

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

FABACEAE

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

Lupinus 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 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

Madia radiata    Golden madia,  Showy madia
native
Annual herb

ASTERACEAE

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

Malacothrix coulteri    Snake's head
native
Annual herb

ASTERACEAE

Malacothrix coulteri
2003 Barry Breckling
Malacothrix coulteri
2020 Matt Berger
Malacothrix coulteri
2020 David Greenberger

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

ASTERACEAE

Malacothrix floccifera
2020 Stacie Wolny
Malacothrix floccifera
2020 David Greenberger
Malacothrix floccifera
2020 Kevin Janicki

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

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 californica    California melicgrass
native
Perennial grass

POACEAE

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

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

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

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

LOASACEAE

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

Micranthes californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Micranthes californica
2002 Bart and Susan Eisenberg
Micranthes californica
2010 Robert Steers/NPS
Micranthes californica
2019 Matt Berger

Micropus californicus var. californicus    Q tips,  Slender cottonweed
native
Annual herb

ASTERACEAE

Micropus californicus var. californicus
2015 Richard Spellenberg
Micropus californicus var. californicus
2012 Neal Kramer
Micropus californicus var. californicus
2020 Matt Berger

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

ASTERACEAE

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

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

ASTERACEAE

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

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

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

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

NYCTAGINACEAE

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

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

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

Navarretia mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

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

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

BORAGINACEAE

Nemophila pedunculata
2008 Keir Morse
Nemophila pedunculata
2011 Barry Breckling
Nemophila pedunculata
2010 Neal Kramer

Pectocarya anisocarpa   


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

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Phacelia douglasii var. petrophila    Douglas' phacelia,  Rockloving phacelia
native
Annual herb

BORAGINACEAE

Phacelia douglasii var. petrophila
2020 David Greenberger
Phacelia douglasii var. petrophila
2013 Amelia Ryan
Phacelia douglasii var. petrophila
2010 Aaron Schusteff

Phacelia fremontii    Fremont's phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

BORAGINACEAE

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

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

BORAGINACEAE

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

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

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

PLANTAGINACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

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

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 interruptus    Ditch beard grass,  Ditch rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon interruptus
2002 Dean Wm. Taylor
Polypogon interruptus
2009 Zoya Akulova
Polypogon interruptus
2017 Ron Vanderhoff

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
2003 Michael Charters
Populus fremontii ssp. fremontii
2020 Susan McDougall
Populus fremontii ssp. fremontii
2020 Susan McDougall

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

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

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

FAGACEAE

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

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
2013 Susan McDougall
Quercus lobata
2008 Keir Morse
Quercus lobata
2014 Neal Kramer

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2018 Angelique Herman
Salix laevigata
2020 Susan McDougall
Salix laevigata
2019 Barbara Brydolf

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2019 Diane Etchison
Salvia mellifera
2009 Keir Morse
Salvia mellifera
2020 David Greenberger

Sambucus nigra ssp. caerulea    Blue elderberry
native
Shrub

ADOXACEAE

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

Sanicula bipinnata    Poison sanicle
native
Perennial herb

APIACEAE

Sanicula bipinnata
2008 Steve Matson
Sanicula bipinnata
2009 Keir Morse
Sanicula bipinnata
2008 Keir Morse

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

ASTERACEAE

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

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

ASTERACEAE

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

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

BRASSICACEAE

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

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

SOLANACEAE

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

Stachys pycnantha    Short spike hedge nettle,  Shortspike hedgenettle
native
Perennial herb

LAMIACEAE

Stachys pycnantha
2019 David Wolfson
Stachys pycnantha
2018 Julian Geoghegan
Stachys pycnantha
2011 Neal Kramer

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 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

Stipa speciosa    Desert needle grass
native
Perennial grass

POACEAE

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

Streptanthus anceps    Lemmon's mustard
native
Annual herb

BRASSICACEAE

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

Streptanthus lasiophyllus   


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

BRASSICACEAE

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

Tetrapteron graciliflorum    Hill sun cup
native
Annual herb

ONAGRACEAE

Tetrapteron graciliflorum
2007 Neal Kramer
Tetrapteron graciliflorum
2009 Keir Morse
Tetrapteron graciliflorum
2010 Richard Spjut

native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

Verbascum virgatum    Wand mullein
non-native
Perennial herb

SCROPHULARIACEAE

Verbascum virgatum
2011 Neal Kramer
Verbascum virgatum
2011 Neal Kramer
Verbascum virgatum
2011 Neal Kramer

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

Zannichellia palustris
2010 Neal Kramer
Zannichellia palustris
2010 Neal Kramer
Zannichellia palustris
2009 Neal Kramer