logo Calflora Illustrated Plant List 


San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-19)

Record Detail Nearby Surveys What Grows Here?
545 PLANTS
Abronia latifolia    Coastal sand verbena,  Sand verbena,  Yellow sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia latifolia
2019 Katy Pye
Abronia latifolia
2020 David Krause
Abronia latifolia
2019 Mary Conway

Abronia maritima    Red sand verbena,  Sticky sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia maritima
2017 Ron Vanderhoff
Abronia maritima
2018 Ron Vanderhoff
Abronia maritima
2019 David Wolfson

Abronia umbellata var. umbellata    Beach sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata var. umbellata
2018 Mary Conway
Abronia umbellata var. umbellata
2018 Adam Chasey
Abronia umbellata var. umbellata
2011 Neal Kramer

Acaena pinnatifida var. californica    California acaena,  California sheepburr
native
Perennial herb

ROSACEAE

Acaena pinnatifida var. californica
2015 Debra L. Cook
Acaena pinnatifida var. californica
2010 Robert Steers/NPS
Acaena pinnatifida var. californica
2015 Debra L. Cook

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2020 Christopher Brown
Acer macrophyllum
2020 Diane Etchison
Acer macrophyllum
2018 Ron Vanderhoff

Acer negundo    Boxelder
native
Tree

SAPINDACEAE

Acer negundo
2019 Robert Sweet
Acer negundo
2015 Susan McDougall
Acer negundo
2015 Susan McDougall

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Acmispon americanus var. americanus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus var. americanus
2019 Ron Vanderhoff
Acmispon americanus var. americanus
2019 Matt Berger
Acmispon americanus var. americanus
2017 David Wolfson

Acmispon cytisoides    Bentham's deerweed
native
Perennial herb

FABACEAE

Acmispon cytisoides
2015 David Wolfson
Acmispon cytisoides
2019 Rebecca Schoenenberger
Acmispon cytisoides
2015 David Wolfson

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2016 Susan McDougall
Acmispon glaber var. glaber
2020 Ron Vanderhoff

Acmispon heermannii var. orbicularis    Round leaved heermann's lotus
native
Perennial herb

FABACEAE

Acmispon heermannii var. orbicularis
2014 Neal Kramer
Acmispon heermannii var. orbicularis
2017 John Doyen
Acmispon heermannii var. orbicularis
2018 Debra L. Cook

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
2019 Chico Hiking Association
Acmispon parviflorus
2019 Ron Vanderhoff
Acmispon parviflorus
2019 Chico Hiking Association

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2019 Gary McDonald

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

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

Agoseris apargioides var. apargioides    Coast dandelion,  Seaside agoseris,  Seaside dandelion
native
Perennial herb

ASTERACEAE

Agoseris apargioides var. apargioides
2015 Zoya Akulova
Agoseris apargioides var. apargioides
2015 Zoya Akulova
Agoseris apargioides var. apargioides
2011 Thomas Reyes

Agoseris hirsuta    Woolly goat chicory
native
Perennial herb

ASTERACEAE

Agoseris hirsuta
2012 Zoya Akulova
Agoseris hirsuta
2009 Vernon Smith
Agoseris hirsuta
2012 Zoya Akulova

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
2008 Keir Morse
Agrostis exarata
2009 Zoya Akulova
Agrostis exarata
2018 Neal Kramer

Agrostis pallens    Leafy bent grass,  Seashore bentgrass,  Thingrass
native
Perennial grass

POACEAE

Agrostis pallens
2012 Vernon Smith
Agrostis pallens
2009 Robert Steers
Agrostis pallens
2008 Keir Morse

Agrostis stolonifera    Creeping bentgrass,  Redtop
invasive non-native
Perennial grass

POACEAE

Agrostis stolonifera
2018 Rachelle Gray
Agrostis stolonifera
2018 Rachelle Gray
Agrostis stolonifera
2018 Rachelle Gray

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
invasive non-native
Annual grass

POACEAE

Aira caryophyllea
2004 Carol W. Witham
Aira caryophyllea
2009 Keir Morse
Aira caryophyllea
2010 Zoya Akulova

Allium hickmanii    Hickman's onion
native
Perennial herb (bulb)

ALLIACEAE

Allium hickmanii
2004 Robert E. Preston, Ph.D.
Allium hickmanii
2004 Robert E. Preston, Ph.D.
Allium hickmanii
2006 Dave Hacker

Allium unifolium    One leaf onion,  Oneleaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium unifolium
2020 stephen rosenthal
Allium unifolium
2018 Alice Cummings
Allium unifolium
2018 Glen Schneider

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia
2014 Garth Wadsworth
Alnus rhombifolia
2014 Zoya Akulova
Alnus rhombifolia
2020 Angelique Herman

Alopecurus saccatus    Pacific foxtail
native
Annual grass

POACEAE

Alopecurus saccatus
1999 John Game
Alopecurus saccatus
2004 Carol W. Witham
Alopecurus saccatus
2008 Zoya Akulova

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2003 Charles E. Jones
Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2008 Dr. Mark S. Brunell

Ambrosia chamissonis    Beach bur,  Silver beachweed
native
Perennial herb

ASTERACEAE

Ambrosia chamissonis
2016 John Doyen
Ambrosia chamissonis
2018 Andy Jones
Ambrosia chamissonis
2006 Matt Below

Ambrosia psilostachya    Ragweed,  Western ragweed
native
Perennial herb

ASTERACEAE

Ambrosia psilostachya
2014 Richard Spellenberg
Ambrosia psilostachya
2011 Aaron Arthur
Ambrosia psilostachya
2011 Aaron Arthur

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

Amsinckia spectabilis var. spectabilis    Seaside fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis var. spectabilis
2015 Zoya Akulova
Amsinckia spectabilis var. spectabilis
2015 Susan McDougall
Amsinckia spectabilis var. spectabilis
2015 Robert Sikora

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
2017 B.J. Dion
Anagallis arvensis
2009 Keir Morse
Anagallis arvensis
2019 Barbara Boethling

Anagallis minima    Chaffweed
native
Annual herb

MYRSINACEAE

Anagallis minima
2017 Keir Morse
Anagallis minima
2010 Alex V. Popovkin
Anagallis minima
2017 Keir Morse

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
2018 Rachelle Gray
Anaphalis margaritacea
2014 James Gonsman
Anaphalis margaritacea
2014 James Gonsman

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
invasive non-native
Annual herb

ASTERACEAE

Anthemis cotula
2007 Neal Kramer
Anthemis cotula
2019 Dave Beller
Anthemis cotula
2017 Diane Etchison

native
Perennial herb (parasitic)

OROBANCHACEAE

Aphyllon californicum ssp. californicum
2009 Neal Kramer
Aphyllon californicum ssp. californicum
2014 John Doyen
Aphyllon californicum ssp. californicum
2014 John Doyen

Aphyllon fasciculatum    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Aphyllon fasciculatum
2016 Jim Xerogeanes
Aphyllon fasciculatum
2019 Doug Zimmerman
Aphyllon fasciculatum
2016 Yolanda Waddell

Aphyllon purpureum    Purple broomrape

Annual herb

OROBANCHACEAE

Aphyllon purpureum
2011 Gerald Carr
Aphyllon purpureum
2020 Susan McDougall
Aphyllon purpureum
2012 Gary A. Monroe


Annual herb

OROBANCHACEAE

Aphyllon robbinsii
2018 Dylan Neubauer
Aphyllon robbinsii
2018 Dylan Neubauer
Aphyllon robbinsii
2015 Dylan Neubauer

Apium graveolens    Smallage,  Garden celery
non-native
Annual, Biennial herb

APIACEAE

Apium graveolens
2006 Keir Morse
Apium graveolens
2005 Luigi Rignanese
Apium graveolens
2006 Keir Morse

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
2019 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff

Arctostaphylos cruzensis    Arroyo de la cruz manzanita,  La cruz manzanita
native
Shrub

ERICACEAE

Arctostaphylos cruzensis
2005 Dieter Wilken
Arctostaphylos cruzensis
2019 Susan McDougall
Arctostaphylos cruzensis
2006 Steve Matson

Arctostaphylos hookeri ssp. hearstiorum    Hearst's manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos hookeri ssp. hearstiorum
2006 Steve Matson
Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall
Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall

Arctostaphylos tomentosa ssp. tomentosa    Woolly leaf manzanita,  Woollyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger
Arctostaphylos tomentosa ssp. tomentosa
2018 Susan McDougall
Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger

Armeria maritima ssp. californica    California sea pink,  California seapink,  Sea pink or thrift
native
Perennial herb

PLUMBAGINACEAE

Armeria maritima ssp. californica
2011 Steven Perry
Armeria maritima ssp. californica
2015 Susan McDougall
Armeria maritima ssp. californica
2012 Aaron Arthur

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

ASTERACEAE

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

Artemisia pycnocephala    Beach sagewort,  Coastal sagewort
native
Perennial herb

ASTERACEAE

Artemisia pycnocephala
2015 Zoya Akulova
Artemisia pycnocephala
2019 Joerg Lohse
Artemisia pycnocephala
2019 Joerg Lohse

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

APOCYNACEAE

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

Astragalus nuttallii var. nuttallii    Nuttall's milkvetch,  Ocean bluff milk vetch
native
Perennial herb

FABACEAE

Astragalus nuttallii var. nuttallii
2006 Steve Matson
Astragalus nuttallii var. nuttallii
2019 Susan McDougall
Astragalus nuttallii var. nuttallii
2019 Susan McDougall

Athyrium filix-femina var. cyclosorum    Common lady fern,  Subarctic lady fern,  Western lady fern
native
Fern

WOODSIACEAE

Athyrium filix-femina var. cyclosorum
2008 Keir Morse
Athyrium filix-femina var. cyclosorum
2019 Susan McDougall
Athyrium filix-femina var. cyclosorum
2019 Susan McDougall

Atriplex californica    California orach
native
Perennial herb

CHENOPODIACEAE

Atriplex californica
2006 Steve Matson
Atriplex californica
2020 Ron Vanderhoff
Atriplex californica
2020 Ron Vanderhoff

Atriplex leucophylla    Beach salt bush,  Beach saltbush,  Sea scale
native
Perennial herb

CHENOPODIACEAE

Atriplex leucophylla
2019 Angelique Herman
Atriplex leucophylla
2019 Diane Etchison
Atriplex leucophylla
2009 Neal Kramer

Atriplex prostrata    Fat-hen
non-native
Annual herb

CHENOPODIACEAE

Atriplex prostrata
2012 Robert Sikora
Atriplex prostrata
2004 Bob Huettmann
Atriplex prostrata
2018 Ron Vanderhoff

Atriplex semibaccata    Australian saltbush
invasive non-native
Perennial herb

CHENOPODIACEAE

Atriplex semibaccata
2007 Neal Kramer
Atriplex semibaccata
2014 Neal Kramer
Atriplex semibaccata
2018 Ron Vanderhoff

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

Azolla filiculoides    American water fern, mosquito fern,  Mosquito fern,  Pacific mosquitofern
native
Fern

AZOLLACEAE

Azolla filiculoides
2018 Ron Vanderhoff
Azolla filiculoides
2018 Cynthia Powell
Azolla filiculoides
2011 Aaron Arthur

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
2010 Neal Kramer
Baccharis glutinosa
2008 Keir Morse
Baccharis glutinosa
2008 Zoya Akulova

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

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

Baccharis plummerae ssp. glabrata    San simeon baccharis
native
Shrub

ASTERACEAE

Baccharis plummerae ssp. glabrata
2011 Chris Winchell
Baccharis plummerae ssp. glabrata
2004 Laura Ann Eliassen
Baccharis plummerae ssp. glabrata
2011 Chris Winchell

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

ASTERACEAE

Baccharis salicifolia
2009 Neal Kramer
Baccharis salicifolia
2015 Jesse Rorabaugh
Baccharis salicifolia
2018 Ron Vanderhoff

Bellardia trixago    Mediterranean lineseed
invasive non-native
Annual herb

OROBANCHACEAE

Bellardia trixago
2007 Luigi Rignanese
Bellardia trixago
2010 John W. Wall
Bellardia trixago
2018 Miao Ling He

Berula erecta    Cut leaved water parsnip,  Cutleaf water parsnip,  Cutleaf waterparsnip
native
Perennial herb

APIACEAE

Berula erecta
2013 Ron Vanderhoff
Berula erecta
2012 Steve Matson
Berula erecta
2014 Neal Kramer

Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

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

Bloomeria humilis    Dwarf goldenstar
native
Perennial herb (bulb)

THEMIDACEAE

Bloomeria humilis
2020 David Wolfson
Bloomeria humilis
2011 Aaron E. Sims
Bloomeria humilis
2012 Terrence Gosliner

native
Perennial grasslike herb

CYPERACEAE

Bolboschoenus maritimus ssp. paludosus
2015 Keir Morse
Bolboschoenus maritimus ssp. paludosus
2011 Neal Kramer
Bolboschoenus maritimus ssp. paludosus
2011 Neal Kramer

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brachypodium hybridum   


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2011 Jorg & Mimi Fleige
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

Brassica rapa    Common mustard,  Field mustard,  Rape mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica rapa
2017 Cynthia Powell
Brassica rapa
2008 Neal Kramer
Brassica rapa
2018 Angelique Herman

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2005 James M. Andre

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
2017 Gary McDonald
Briza maxima
2018 Bill Schmidt
Briza maxima
2017 Gary McDonald

Briza minor    Little quaking grass,  Little quakinggrass,  Little rattlesnake grass
non-native
Annual grass

POACEAE

Briza minor
2005 Brent Miller
Briza minor
2008 Keir Morse
Briza minor
2004 Carol W. Witham

Brodiaea terrestris ssp. kernensis    Kern brodiaea,  Kern dwarf brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. kernensis
2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
2011 Neal Kramer

Bromus carinatus var. carinatus    California brome,  Mountain brome
native
Perennial grass

POACEAE

Bromus carinatus var. carinatus
2016 Richard Chasey
Bromus carinatus var. carinatus
2013 Jean Pawek
Bromus carinatus var. carinatus
2010 Neal Kramer

non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. catharticus
2020 Jean Pawek
Bromus catharticus var. catharticus
2020 Jean Pawek
Bromus catharticus var. catharticus
2019 John Rawlings

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
2010 Louis-M. Landry
Cakile edentula
2006 Louis-M. Landry
Cakile edentula
2006 Louis-M. Landry

Cakile maritima    European searocket,  Sea rocket
invasive non-native
Annual herb

BRASSICACEAE

Cakile maritima
2009 Neal Kramer
Cakile maritima
2019 Cynthia Powell
Cakile maritima
2019 Cynthia Powell

Calamagrostis nutkaensis    Pacific reedgrass
native
Perennial grass

POACEAE

Calamagrostis nutkaensis
2008 Eric Wrubel
Calamagrostis nutkaensis
2018 Ken Hickman
Calamagrostis nutkaensis
2012 Aaron E. Sims

Calandrinia ciliata    Red maids
native
Annual herb

MONTIACEAE

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

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Callitriche trochlearis    Effluent water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

Callitriche trochlearis
2011 Gerald Carr
Callitriche trochlearis
2011 Gerald Carr
Callitriche trochlearis
2011 Gerald Carr

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2020 Tina Curiel
Calochortus albus
2019 Cynthia Powell

Calochortus clavatus var. clavatus    Club haired mariposa lily,  Clubhair mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus clavatus var. clavatus
2020 David Wolfson
Calochortus clavatus var. clavatus
2011 Chris Winchell
Calochortus clavatus var. clavatus
2019 Marisa Persaud

Calochortus luteus    Yellow mariposa lily
native
Perennial herb

LILIACEAE

Calochortus luteus
2019 Stacie Wolny
Calochortus luteus
2016 Melissa Mooney
Calochortus luteus
2019 Stacie Wolny

Calochortus uniflorus    Large flowered star tulip
native
Perennial herb

LILIACEAE

Calochortus uniflorus
2020 Asa B Spade
Calochortus uniflorus
2020 Margarita Orlova
Calochortus uniflorus
2019 Susan McDougall

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
2013 Zoya Akulova
Calystegia macrostegia ssp. cyclostegia
2014 Wynn Anderson
Calystegia macrostegia ssp. cyclostegia
2014 Wynn Anderson

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
2020 David Greenberger
Calystegia soldanella
2008 John Dittes
Calystegia soldanella
2019 Bill Schmidt

Calystegia subacaulis ssp. episcopalis    Cambria morning glory,  San luis obispo county morning glory
native
Perennial herb (rhizomatous)

CONVOLVULACEAE

Calystegia subacaulis ssp. episcopalis
2020 David Wolfson
Calystegia subacaulis ssp. episcopalis
2011 Aaron E. Sims
Calystegia subacaulis ssp. episcopalis
2003 Yulan Tong

native
Annual, Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2019 Patrick Furtado
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2019 Patrick Furtado
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2014 Robert Sikora

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

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

Cardamine californica    Bitter cress,  California toothwort, milk maids
native
Perennial herb

BRASSICACEAE

Cardamine californica
2019 Ron Vanderhoff
Cardamine californica
2018 Lynn Sweet
Cardamine californica
2019 Ron Vanderhoff

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
2019 Chico Hiking Association
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

Cardionema ramosissimum
2011 Jorg & Mimi Fleige
Cardionema ramosissimum
2019 John Rawlings
Cardionema ramosissimum
2019 John Rawlings

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

Carduus tenuiflorus    Italian thistle,  Slender flowered thistle,  Winged plumeless thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus tenuiflorus
2011 Zoya Akulova
Carduus tenuiflorus
2001 CDFA
Carduus tenuiflorus
Charles Webber 1998 California Academy of Sciences

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
2010 Dean W. Taylor, Ph.D
Carex globosa
2009 Neal Kramer
Carex globosa
2014 Steve Matson

Carex obispoensis    San Luis Obispo sedge,  San Luis sedge
native
Perennial grasslike herb (rhizomatous)

CYPERACEAE

Carex obispoensis
2006 Steve Matson
Carex obispoensis
2005 Dieter Wilken
Carex obispoensis
2012 Wendy Fisher

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
2007 Neal Kramer
Carex obnupta
2008 Keir Morse
Carex obnupta
2014 Zoya Akulova

Carex pansa    Sand dune sedge,  Sanddune sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pansa
2003 Steve Matson
Carex pansa
2003 Steve Matson
Carex pansa
2003 Steve Matson

Carex pellita    Woolly sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pellita
2017 Neal Kramer
Carex pellita
2013 Robert Steers/NPS
Carex pellita
2006 Dean Wm. Taylor, Ph.D.

Carex praegracilis    Clustered field sedge,  Field sedge
native
Perennial grasslike herb

CYPERACEAE

Carex praegracilis
2020 Steve Matson
Carex praegracilis
2020 Steve Matson
Carex praegracilis
2020 Steve Matson

Carex spissa    San diego sedge
native
Perennial grasslike herb

CYPERACEAE

Carex spissa
2009 Zoya Akulova
Carex spissa
2019 Susan McDougall
Carex spissa
2016 Susan McDougall

Carex tumulicola    Foothill sedge,  Slender sedge,  Split awn sedge
native
Perennial grasslike herb

CYPERACEAE

Carex tumulicola
2009 Chris Wagner
Carex tumulicola
2012 MMWD
Carex tumulicola
2012 MMWD

Carpobrotus chilensis    Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus chilensis
2018 Nicole Leatherman
Carpobrotus chilensis
2006 Joseph Dougherty, M.D./ecology.or
Carpobrotus chilensis
2018 Ron Vanderhoff

Carpobrotus edulis    Hottentot fig,  Iceplant,  Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus edulis
2008 Neal Kramer
Carpobrotus edulis
2017 Lisa Miller
Carpobrotus edulis
2012 Jon Hall

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
2020 Mary Conway
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff

Castilleja ambigua ssp. insalutata    Ambiguous indian paintbrush,  Johnny nip
native
Annual herb

OROBANCHACEAE

Castilleja ambigua ssp. insalutata
2004 Bob Huettmann
Castilleja ambigua ssp. insalutata
2006 Dave Hacker
Castilleja ambigua ssp. insalutata
2012 Chris Winchell

Castilleja densiflora ssp. obispoensis    Obispo indian paintbrush,  San luis obispo owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja densiflora ssp. obispoensis
2011 CNPS, San Luis Obispo Chapter
Castilleja densiflora ssp. obispoensis
2011 Chris Winchell

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

OROBANCHACEAE

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

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2007 Neal Kramer
Ceanothus cuneatus var. cuneatus
2014 Susan McDougall
Ceanothus cuneatus var. cuneatus
2013 Susan McDougall

Ceanothus hearstiorum    Hearst ranch buckbrush,  Hearst's ceanothus
native
Shrub

RHAMNACEAE

Ceanothus hearstiorum
2006 Steve Matson
Ceanothus hearstiorum
1995 Dean Wm. Taylor

Ceanothus maritimus    Maritime ceanothus,  San luis obispo ceanothus
native
Shrub

RHAMNACEAE

Ceanothus maritimus
2006 Steve Matson
Ceanothus maritimus
2019 Susan McDougall
Ceanothus maritimus
2019 Susan McDougall

native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus var. thyrsiflorus
2014 Robert Sikora
Ceanothus thyrsiflorus var. thyrsiflorus
2019 Susan McDougall
Ceanothus thyrsiflorus var. thyrsiflorus
2019 Susan McDougall

Cenchrus clandestinus    Kikuyu grass,  Kikuyugrass
invasive non-native
Perennial grass

POACEAE

Cenchrus clandestinus
2019 Cynthia Powell
Cenchrus clandestinus
2008 Neal Kramer
Cenchrus clandestinus
2017 Nick Graver

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
2005 Luigi Rignanese
Centaurea calcitrapa
2019 MCOSD EDRR
Centaurea calcitrapa
2008 Jennifer Buck

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

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
2019 Diane Etchison
Cerastium glomeratum
2015 Chris Jaster
Cerastium glomeratum
2009 Barry Breckling

Chamaesyce maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

Chamaesyce maculata
2014 John Doyen
Chamaesyce maculata
2015 Barry Breckling
Chamaesyce maculata
2014 John Doyen

Chasmanthe floribunda    African cornflag,  Chasmanthe
invasive non-native
Perennial herb

IRIDACEAE

Chasmanthe floribunda
2013 Robert Sikora
Chasmanthe floribunda
2011 Michael O'Brien
Chasmanthe floribunda
2017 Ron Vanderhoff

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

CHENOPODIACEAE

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

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

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

Chenopodium murale    Nettle leaf goosefoot,  Sowbane
non-native
Annual herb

CHENOPODIACEAE

Chenopodium murale
2009 Zoya Akulova
Chenopodium murale
2004 Debra Valov
Chenopodium murale
2018 Ron Vanderhoff

Chlorogalum pomeridianum var. divaricatum    Soap plant,  Spreading soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. divaricatum
2009 Jorg Fleige
Chlorogalum pomeridianum var. divaricatum
2008 Gary A. Monroe

Chorizanthe palmeri    Palmer's spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe palmeri
2014 John Doyen
Chorizanthe palmeri
2011 Chris Winchell
Chorizanthe palmeri
2013 John Doyen

Chorizanthe pungens    Monterey spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe pungens
2009 Neal Kramer
Chorizanthe pungens
2009 Neal Kramer
Chorizanthe pungens
2011 Zoya Akulova

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

Cicendia quadrangularis
2015 Judy and Barry Breckling
Cicendia quadrangularis
2019 Gena Bentall
Cicendia quadrangularis
2007 Neal Kramer

Cichorium intybus    Chicory
non-native
Perennial herb

ASTERACEAE

Cichorium intybus
2019 Diane Etchison
Cichorium intybus
2015 Debra L. Cook
Cichorium intybus
2019 Chico Hiking Association

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

Cirsium brevistylum
2007 Neal Kramer
Cirsium brevistylum
2014 Margo Bors
Cirsium brevistylum
2018 Brian Charles

Cirsium occidentale var. compactum    Compact cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. compactum
2019 Marisa Persaud
Cirsium occidentale var. compactum
2016 Talila Golan
Cirsium occidentale var. compactum
2011 Chris Winchell

Cirsium quercetorum    Alameda county thistle,  Brownie thistle
native
Annual, Perennial herb

ASTERACEAE

Cirsium quercetorum
2007 Neal Kramer
Cirsium quercetorum
2020 R.A. Chasey
Cirsium quercetorum
2010 Zoya Akulova

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2005 Christopher L. Christie
Cirsium vulgare
2016 Erik Larsen
Cirsium vulgare
2019 Gustavo Vasquez

Clarkia prostrata    Prostrate clarkia
native
Annual herb

ONAGRACEAE

Clarkia prostrata
2012 Lynn Robertson
Clarkia prostrata
2013 David Wolfson
Clarkia prostrata
2012 Lynn Robertson

Clarkia rubicunda    Farewell to spring,  Reddened clarkia,  Ruby chalice clarkia
native
Annual herb

ONAGRACEAE

Clarkia rubicunda
2018 Michael Mitchell
Clarkia rubicunda
2019 Stacie Wolny
Clarkia rubicunda
2019 Amy Rapport

Claytonia perfoliata ssp. mexicana    Southern miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. mexicana
2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
2014 Susan McDougall
Claytonia perfoliata ssp. mexicana
2013 Susan McDougall

Clematis ligusticifolia    Creek clematis,  Western virgin's bower,  Western white clematis
native
Perennial herb, Vine

RANUNCULACEAE

Clematis ligusticifolia
2018 Diane Etchison
Clematis ligusticifolia
2020 Emily Sluiman
Clematis ligusticifolia
2009 Neal Kramer

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Clinopodium douglasii
2019 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald
Clinopodium douglasii
2012 Gary McDonald

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

CONVOLVULACEAE

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

Cornus sericea ssp. occidentalis    Western dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. occidentalis
2016 Neal Kramer
Cornus sericea ssp. occidentalis
2013 John Doyen
Cornus sericea ssp. occidentalis
2014 Zoya Akulova

Cortaderia jubata    Pampas grass,  Purple pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia jubata
2008 Neal Kramer
Cortaderia jubata
2001 Tony Morosco
Cortaderia jubata
2017 Lynn Overtree

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
2016 Chris Leslie
Cotula coronopifolia
2018 Cynthia Powell
Cotula coronopifolia
2018 Bill Schmidt

Crassula aquatica    Aquatic pygmy weed,  Pigmy weed,  Water pygmyweed
native
Annual herb

CRASSULACEAE

Crassula aquatica
2017 Diane Etchison
Crassula aquatica
2019 Ron Vanderhoff
Crassula aquatica
2019 Ron Vanderhoff

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

Cryptantha 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 leiocarpa    Coast cryptantha,  Coastal cryptantha,  Popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha leiocarpa
2011 Dylan Neubauer
Cryptantha leiocarpa
2011 Jorg & Mimi Fleige
Cryptantha leiocarpa
2015 Zoya Akulova

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

CONVOLVULACEAE

Cuscuta californica var. californica
2010 Vernon Smith
Cuscuta californica var. californica
2017 David popp
Cuscuta californica var. californica
2010 Neal Kramer

Cuscuta pacifica var. papillata    Mendocino dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE


non-native
Perennial herb

ASTERACEAE

Cynara cardunculus ssp. cardunculus
2010 Neal Kramer
Cynara cardunculus ssp. cardunculus
2016 Michele Hammond
Cynara cardunculus ssp. cardunculus
2009 Neal Kramer

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

POACEAE

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

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
2017 Gary McDonald
Cyperus eragrostis
2017 Gary McDonald
Cyperus eragrostis
2012 Neal Kramer

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata
2005 Louis-M. Landry
Dactylis glomerata
2003 Steve Matson
Dactylis glomerata
2018 Kyndal Olin

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
2020 Sara Timby
Danthonia californica
2007 Steve Matson
Danthonia californica
2002 Bart and Susan Eisenberg

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

Datisca glomerata
2019 Ron Vanderhoff
Datisca glomerata
2019 Diane Etchison
Datisca glomerata
2008 Keir Morse

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

SOLANACEAE

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

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

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

Deinandra corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Deinandra corymbosa
2015 Tim Miller
Deinandra corymbosa
2007 Neal Kramer
Deinandra corymbosa
2011 Thomas Reyes

Deinandra increscens ssp. increscens    Grassland tarweed
native
Annual herb

ASTERACEAE

Deinandra increscens ssp. increscens
2011 George Williams
Deinandra increscens ssp. increscens
2003 Lynn Watson

Delairea odorata    Cape ivy
invasive non-native
Perennial herb

ASTERACEAE

Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff

native
Perennial herb

RANUNCULACEAE

Delphinium californicum ssp. californicum
2010 Margo Bors
Delphinium californicum ssp. californicum
2005 Doreen L. Smith
Delphinium californicum ssp. californicum
2017 Michelle Bosch

Deschampsia cespitosa ssp. holciformis    California hairgrass,  Coastal tufted hair grass,  Tufted hairgrass
native
Perennial grass

POACEAE

Deschampsia cespitosa ssp. holciformis
2013 Robert Steers/NPS
Deschampsia cespitosa ssp. holciformis
2010 Zoya Akulova
Deschampsia cespitosa ssp. holciformis
2010 Zoya Akulova

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

Desmazeria rigida    Ferngrass,  Hard bluegrass
non-native
Annual grass

POACEAE

Desmazeria rigida
2020 Jennifer Mo
Desmazeria rigida
2018 Ron Vanderhoff
Desmazeria rigida
2017 Neal Kramer

Dichelostemma capitatum ssp. capitatum    Blue dicks,  Bluedicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum ssp. capitatum
2015 Diane Etchison
Dichelostemma capitatum ssp. capitatum
2010 Steven Thorsted
Dichelostemma capitatum ssp. capitatum
2019 Mary Conway

Dichondra donelliana    California ponysfoot,  Dichondra
native
Perennial herb, Vine

CONVOLVULACEAE

Dichondra donelliana
2003 Doreen L. Smith
Dichondra donelliana
2010 Robert Steers
Dichondra donelliana
2007 Neal Kramer

Diplacus   


Diplacus aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus
2019 Gary McDonald
Diplacus aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus
2020 Ron Vanderhoff

Diplacus aurantiacus ssp. aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus ssp. aurantiacus
2019 Gary McDonald
Diplacus aurantiacus ssp. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus ssp. aurantiacus
2020 Ron Vanderhoff

Dipsacus sativus    Fuller's teasel,  Indian teasel
invasive non-native
Biennial herb

DIPSACACEAE

Dipsacus sativus
2019 Thomas Reyes
Dipsacus sativus
2018 Angelique Herman
Dipsacus sativus
2009 Barry Breckling

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

POACEAE

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

Dodecatheon clevelandii    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon clevelandii
2013 Steven M Norris
Dodecatheon clevelandii
2013 Steven M Norris
Dodecatheon clevelandii
2013 Steven M Norris

Downingia concolor var. concolor    Maroonspot calicoflower,  Spotted throat downingia
native
Annual herb

CAMPANULACEAE

Downingia concolor var. concolor
2004 Carol W. Witham
Downingia concolor var. concolor
2007 Neal Kramer

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta
2019 Ron Vanderhoff
Dryopteris arguta
2004 Brent Miller
Dryopteris arguta
2019 Jacob Smith

Dudleya blochmaniae ssp. blochmaniae    Blochman's dudleya,  Blochman's liveforever
native
Perennial herb

CRASSULACEAE

Dudleya blochmaniae ssp. blochmaniae
2019 David Greenberger
Dudleya blochmaniae ssp. blochmaniae
2020 Steven M Norris
Dudleya blochmaniae ssp. blochmaniae
2011 Aaron E. Sims

Dudleya caespitosa    Coast dudleya,  Sand lettuce
native
Perennial herb

CRASSULACEAE

Dudleya caespitosa
2009 Zoya Akulova
Dudleya caespitosa
2008 Neal Kramer
Dudleya caespitosa
2019 Patrick Furtado

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

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

Dudleya palmeri    Palmer's dudleya,  Palmer's liveforever
native
Perennial herb

CRASSULACEAE

Dudleya palmeri
2012 Al Keuter
Dudleya palmeri
2012 Gary A. Monroe
Dudleya palmeri
2012 Al Keuter

Dysphania ambrosioides    Mexican tea
non-native
Annual, Perennial herb

CHENOPODIACEAE

Dysphania ambrosioides
2008 Keir Morse
Dysphania ambrosioides
2008 Keir Morse
Dysphania ambrosioides
2013 Zoya Akulova

Eleocharis acicularis var. acicularis    Needle spike rush,  Needle spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis acicularis var. acicularis
2004 Carol W. Witham
Eleocharis acicularis var. acicularis
2013 Jake Ruygt
Eleocharis acicularis var. acicularis
2015 Keir Morse

Eleocharis macrostachya    Common spikerush,  Creeping spike rush,  Pale spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis macrostachya
2004 Carol W. Witham
Eleocharis macrostachya
2001 John Game
Eleocharis macrostachya
2019 Ron Vanderhoff

Eleocharis rostellata    Beaked spikerush,  Walking sedge
native
Perennial grasslike herb

CYPERACEAE

Eleocharis rostellata
2013 Robert Steers/NPS
Eleocharis rostellata
2015 Steve Matson
Eleocharis rostellata
2013 Robert Steers/NPS

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2011 Neal Kramer
Elymus condensatus
2010 Michael O'Brien
Elymus condensatus
2006 Adonis (Don) Tate

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 ponticus    Tall wheat grass
non-native
Perennial grass

POACEAE

Elymus ponticus
2009 Zoya Akulova
Elymus ponticus
2011 Neal Kramer
Elymus ponticus
2017 jessica bailey

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

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

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

ONAGRACEAE

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

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

ONAGRACEAE

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

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
2007 Neal Kramer
Epilobium ciliatum ssp. watsonii
2019 Patrick Furtado
Epilobium ciliatum ssp. watsonii
2011 Dylan Neubauer

Epilobium densiflorum    Dense boisduvalia,  Dense flowered boisduvalia,  Dense flowered spike primrose
native
Annual herb

ONAGRACEAE

Epilobium densiflorum
2013 Debra L. Cook
Epilobium densiflorum
2009 Ron Wolf
Epilobium densiflorum
2015 Neal Kramer

Equisetum arvense    Common horsetail rush,  Common horsetail, field horsetail,  Field horsetail
native
Fern

EQUISETACEAE

Equisetum arvense
2006 Robert Sivinski
Equisetum arvense
2012 Neal Kramer
Equisetum arvense
2008 Dr. Amadej Trnkoczy

Equisetum laevigatum    Horsetail,  Smooth horsetail,  Smooth scouring rush
native
Fern

EQUISETACEAE

Equisetum laevigatum
2008 Neal Kramer
Equisetum laevigatum
2008 Neal Kramer
Equisetum laevigatum
2005 James M. Andre

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
2008 Zoya Akulova
Equisetum telmateia ssp. braunii
2008 Neal Kramer
Equisetum telmateia ssp. braunii
2015 Ron Vanderhoff

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

Erigeron bonariensis
2007 Luigi Rignanese
Erigeron bonariensis
2008 Jorg Fleige
Erigeron bonariensis
2009 Neal Kramer

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2019 James Gonsman
Erigeron glaucus
2018 Bill Schmidt
Erigeron glaucus
2018 Asa B Spade

Erigeron philadelphicus    Philadelphia fleabane
native
Perennial herb

ASTERACEAE

Erigeron philadelphicus
2005 Christopher L. Christie
Erigeron philadelphicus
2011 Zoya Akulova
Erigeron philadelphicus
2014 Julie Kierstead Nelson

Erigeron sanctarum    Saints' daisy,  Saints' fleabane
native
Perennial herb (rhizomatous)

ASTERACEAE

Erigeron sanctarum
2000 John Game
Erigeron sanctarum
2016 David Wolfson
Erigeron sanctarum
2009 Adonis (Don) Tate

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon californicum
2011 John W. Wall
Eriodictyon californicum
2020 Susan McDougall
Eriodictyon californicum
2020 Susan McDougall

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

POLYGONACEAE

Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff

Eriogonum latifolium    Coast buckwheat,  Coast eriogonum,  Seaside buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum latifolium
2017 Adam Chasey
Eriogonum latifolium
2014 James Gonsman
Eriogonum latifolium
2015 Ralph Gibson

Eriogonum parvifolium    Dune eriogonum,  Sea cliff buckwheat,  Seacliff buckwheat
native
Shrub

POLYGONACEAE

Eriogonum parvifolium
2019 Joerg Lohse
Eriogonum parvifolium
2018 Ron Vanderhoff
Eriogonum parvifolium
2013 Neal Kramer

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

ASTERACEAE

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

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
2013 James Gonsman
Eriophyllum staechadifolium
2016 Andrew Longman
Eriophyllum staechadifolium
2019 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 cicutarium    Coastal heron's bill,  Red stemmed filaree,  Redstem stork's bill
invasive non-native
Annual herb

GERANIACEAE

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

Erodium macrophyllum    Round leaved filaree
native
Annual herb

GERANIACEAE

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

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

GERANIACEAE

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

Eryngium armatum    Coastal eryngo,  Coyote thistle,  Prickly coyote thistle
native
Perennial herb

APIACEAE

Eryngium armatum
2009 Neal Kramer
Eryngium armatum
2006 Steve Matson
Eryngium armatum
2006 Steve Matson

Eryngium pendletonense    Pendleton button-celery
native
Perennial herb

APIACEAE

Eryngium pendletonense
2016 Keir Morse
Eryngium pendletonense
2013 Clint Scheuerman
Eryngium pendletonense
2016 Keir Morse

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

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

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

PHRYMACEAE

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

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

Eucalyptus globulus    Blue gum,  Tasmanian bluegum
invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus
2013 Zoya Akulova
Eucalyptus globulus
2008 Neal Kramer
Eucalyptus globulus
2017 Zoya Akulova

Euphorbia lathyris    Compass plant,  Gopher plant,  Moleplant
invasive non-native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia lathyris
2014 Neal Kramer
Euphorbia lathyris
2014 Neal Kramer
Euphorbia lathyris
2018 Reed Crane

Euphorbia maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia maculata
2014 John Doyen
Euphorbia maculata
2015 Barry Breckling
Euphorbia maculata
2014 John Doyen

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia peplus
2010 Neal Kramer
Euphorbia peplus
2006 Steve Matson
Euphorbia peplus
2005 Luigi Rignanese

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

Extriplex californica    California orach
native
Perennial herb

CHENOPODIACEAE

Extriplex californica
2006 Steve Matson
Extriplex californica
2020 Ron Vanderhoff
Extriplex californica
2020 Ron Vanderhoff

Festuca arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
2008 Keir Morse
Festuca arundinacea
2008 Keir Morse
Festuca arundinacea
2020 Thomas Reyes

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
2019 Justin Luong
Festuca californica
2008 Keir Morse
Festuca californica
2012 Aaron Arthur

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

Festuca rubra    Red fescue
native
Perennial grass

POACEAE

Festuca rubra
2013 Robert Steers/NPS
Festuca rubra
2012 Aaron Arthur
Festuca rubra
2014 Phil Pullen

Festuca temulenta    Darnel, tares
non-native
Annual grass

POACEAE

Festuca temulenta
2013 Al Keuter
Festuca temulenta
2016 Spade Natural Resources Consulting
Festuca temulenta
2013 Al Keuter

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
2019 Nicole Leatherman
Foeniculum vulgare
2019 Ron Vanderhoff
Foeniculum vulgare
2015 Neal Kramer

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

Fragaria chiloensis
2016 Teresa R Spade, AICP
Fragaria chiloensis
2020 Susan McDougall
Fragaria chiloensis
2009 Thomas Stoughton

Fragaria vesca    California strawberry,  Wild strawberry,  Wood strawberry
native
Perennial herb

ROSACEAE

Fragaria vesca
2020 Cara Wilcox
Fragaria vesca
2020 Cara Wilcox
Fragaria vesca
2020 Susan McDougall

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
2019 Mary Conway
Frangula californica ssp. californica
2017 Gary McDonald
Frangula californica ssp. californica
2019 Mary Conway

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

FRANKENIACEAE

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

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

LILIACEAE

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

Galium 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

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson

Galium porrigens var. porrigens    Climbing bedstraw,  Graceful bedstraw,  Oval leaved bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens var. porrigens
2007 Neal Kramer
Galium porrigens var. porrigens
2005 Keir Morse
Galium porrigens var. porrigens
2016 John Doyen

Galium trifidum ssp. columbianum    Threepetal bedstraw
native
Perennial herb

RUBIACEAE

Galium trifidum ssp. columbianum
2005 Steve Matson
Galium trifidum ssp. columbianum
2005 Steve Matson
Galium trifidum ssp. columbianum
2005 Steve Matson

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

Gamochaeta ustulata
2019 Gary McDonald
Gamochaeta ustulata
2019 Gary McDonald
Gamochaeta ustulata
2019 Patrick Furtado

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

Gastridium phleoides
2009 Zoya Akulova
Gastridium phleoides
2009 Neal Kramer
Gastridium phleoides
2017 Gary McDonald

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff

Geranium core-core    Alderney crane's-bill
non-native
Perennial herb

GERANIACEAE

Geranium core-core
2015 Vernon Smith
Geranium core-core
2007 Doreen L. Smith
Geranium core-core
2011 Jorg & MImi Fleige

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
2003 Lynn Watson
Geranium dissectum
2015 Chris Jaster
Geranium dissectum
2019 Randy Huey

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

Hainardia cylindrica    Barbgrass,  Monerma,  Thin tail
non-native
Annual grass

POACEAE

Hainardia cylindrica
2014 Neal Kramer
Hainardia cylindrica
2010 Zoya Akulova
Hainardia cylindrica
2009 Neal Kramer

Hazardia squarrosa var. squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa var. squarrosa
2011 Neal Kramer
Hazardia squarrosa var. squarrosa
2011 Neal Kramer
Hazardia squarrosa var. squarrosa
2011 Neal Kramer

Hedypnois rhagadioloides    Crete weed
non-native
Annual herb

ASTERACEAE

Hedypnois rhagadioloides
2012 Michael Perlmutter
Hedypnois rhagadioloides
2014 Ramona Robison
Hedypnois rhagadioloides
2017 Thomas Reyes

Helenium bigelovii    Bigelow's sneezeweed,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bigelovii
2019 Bryant Baker
Helenium bigelovii
2016 Julie Kierstead Nelson
Helenium bigelovii
2014 James Gonsman

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
2019 Patrick Furtado
Helenium puberulum
2015 Stephen Rosenthal
Helenium puberulum
2018 Rachelle Gray

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

BORAGINACEAE

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

Helminthotheca echioides    Bristly ox-tongue
invasive non-native
Annual, Perennial herb

ASTERACEAE

Helminthotheca echioides
2016 Hayley Ross
Helminthotheca echioides
2019 Rachelle Gray
Helminthotheca echioides
2019 Rachelle Gray

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2009 Barry Breckling
Hemizonia congesta ssp. luzulifolia
2007 Neal Kramer
Hemizonia congesta ssp. luzulifolia
2016 R. Adam Chasey

Hesperevax sparsiflora var. sparsiflora    Erect dwarf cudweed,  Few flowered evax
native
Annual herb

ASTERACEAE

Hesperevax sparsiflora var. sparsiflora
2013 Robert Sikora
Hesperevax sparsiflora var. sparsiflora
2015 Keir Morse
Hesperevax sparsiflora var. sparsiflora
2013 Jake Ruygt

Hesperocnide tenella    Western nettle,  Western stinging nettle,  Western stingingnettle
native
Annual herb

URTICACEAE

Hesperocnide tenella
2016 Ron Vanderhoff
Hesperocnide tenella
2006 Steve Matson
Hesperocnide tenella
2003 Michael Charters

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Hesperocyparis macrocarpa
2019 Patrick Furtado
Hesperocyparis macrocarpa
2009 Keir Morse
Hesperocyparis macrocarpa
2019 Susan McDougall

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2020 Julia Markey

Heterotheca oregona var. oregona    Oregon false goldenaster,  Oregon goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca oregona var. oregona
2001 Redwood National and State Parks
Heterotheca oregona var. oregona
2020 Susan McDougall
Heterotheca oregona var. oregona
2020 Susan McDougall

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

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

Hoita macrostachya
2014 Ron Vanderhoff
Hoita macrostachya
2018 Brian Charles
Hoita macrostachya
2013 Julie Kierstead Nelson

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley

Hordeum brachyantherum ssp. californicum    California barley,  California meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. californicum
2011 Steve Matson
Hordeum brachyantherum ssp. californicum
2011 Steve Matson
Hordeum brachyantherum ssp. californicum
2011 Steve Matson

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
2009 Neal Kramer
Hordeum marinum ssp. gussoneanum
2002 Ann Dennis
Hordeum marinum ssp. gussoneanum
2004 Carol W. Witham

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

Horkelia californica var. californica    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica var. californica
2020 Mary Conway
Horkelia californica var. californica
2014 John Doyen
Horkelia californica var. californica
2020 Mary Conway

Horkelia cuneata var. cuneata    Wedge leaved horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata var. cuneata
2013 Jean Pawek
Horkelia cuneata var. cuneata
2018 Debra L. Cook
Horkelia cuneata var. cuneata
2018 Debra L. Cook

Hosackia gracilis    Harlequin lotus
native
Perennial herb

FABACEAE

Hosackia gracilis
2019 Paul Hankamp
Hosackia gracilis
2020 Jinx McCombs
Hosackia gracilis
2020 Mary Conway

Hydrocotyle ranunculoides    Floating marsh pennywort,  Floating marshpennywort,  Marsh pennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle ranunculoides
2013 Neal Kramer
Hydrocotyle ranunculoides
1996 Doreen L. Smith
Hydrocotyle ranunculoides
2009 Dr. Mark S. Brunell

Hydrocotyle verticillata    Whorled marsh pennywort,  Whorled marshpennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle verticillata
2010 Aaron Arthur
Hydrocotyle verticillata
2018 Ron Vanderhoff
Hydrocotyle verticillata
2015 Steve Matson

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson

Hypochaeris radicata    Hairy cats ear,  Hairy catsear,  Rough cat's ear
invasive non-native
Perennial herb

ASTERACEAE

Hypochaeris radicata
2008 Sean B. Smith
Hypochaeris radicata
2017 Gary McDonald
Hypochaeris radicata
2017 Gary McDonald

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
2019 Adam Chasey
Iris douglasiana
2020 Susan McDougall
Iris douglasiana
2009 John W. Wall

Isocoma menziesii var. sedoides    Menzies' goldenbush,  Prostrate coastal goldenbush,  White flowered dune goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. sedoides
2002 Hartmut Wisch
Isocoma menziesii var. sedoides
2014 Steve Matson
Isocoma menziesii var. sedoides
2014 Steve Matson

Isocoma menziesii var. vernonioides    Coastal goldenbush,  Green leaved dune goldenbush,  Menzies' goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. vernonioides
2018 Ron Vanderhoff
Isocoma menziesii var. vernonioides
2018 Ron Vanderhoff
Isocoma menziesii var. vernonioides
2007 Neal Kramer

Isoetes nuttallii    Nuttall's quillwort
native
Fern

ISOETACEAE

Isoetes nuttallii
2019 Belinda Lo
Isoetes nuttallii
2011 Barry Breckling
Isoetes nuttallii
2019 Belinda Lo

Isolepis carinata    Keeled bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis carinata
2009 Doreen L. Smith
Isolepis carinata
2015 Robert Sikora
Isolepis carinata
2015 Robert Sikora

Isolepis cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis cernua
2011 Neal Kramer
Isolepis cernua
2010 Aaron Arthur
Isolepis cernua
2018 Ron Vanderhoff

Jaumea carnosa    Fleshy jaumea,  Marsh jaumea
native
Perennial herb

ASTERACEAE

Jaumea carnosa
2015 Keir Morse
Jaumea carnosa
2018 Saskia Raether
Jaumea carnosa
2007 Lynn Watson

Juncus acutus ssp. leopoldii    Leopold's rush,  Southwestern spiny rush,  Wire grass
native
Perennial grasslike herb (rhizomatous)

JUNCACEAE

Juncus acutus ssp. leopoldii
2018 Ron Vanderhoff
Juncus acutus ssp. leopoldii
2019 Susan McDougall
Juncus acutus ssp. leopoldii
2019 Belinda Lo

native
Annual grasslike herb

JUNCACEAE

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

Juncus bufonius var. congestus    Clustered toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. congestus
2009 Neal Kramer
Juncus bufonius var. congestus
2011 Christopher Bronny
Juncus bufonius var. congestus
2004 Steve Matson

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus
2007 Neal Kramer
Juncus effusus ssp. pacificus
2008 Neal Kramer
Juncus effusus ssp. pacificus
2013 Robert Steers/NPS

Juncus lescurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lescurii
2007 Neal Kramer
Juncus lescurii
2004 Steve Matson
Juncus lescurii
2004 Steve Matson

Juncus occidentalis    Rush,  Slender juncus,  Western rush
native
Perennial grasslike herb

JUNCACEAE

Juncus occidentalis
2007 Neal Kramer
Juncus occidentalis
2015 Neal Kramer
Juncus occidentalis
2007 Neal Kramer

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2008 Neal Kramer
Juncus patens
2014 Mike Wood
Juncus patens
2007 Neal Kramer

Juncus phaeocephalus var. phaeocephalus    Brown headed rush,  Brownhead rush
native
Perennial grasslike herb

JUNCACEAE

Juncus phaeocephalus var. phaeocephalus
2019 Dee Shea Himes
Juncus phaeocephalus var. phaeocephalus
2007 Neal Kramer
Juncus phaeocephalus var. phaeocephalus
2009 Keir Morse

Juncus textilis    Basket rush
native
Perennial grasslike herb

JUNCACEAE

Juncus textilis
2005 Steve Matson
Juncus textilis
2005 Steve Matson
Juncus textilis
2009 Adonis (Don) Tate

Kickxia spuria    Fluellin,  Roundleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia spuria
2002 Tony Morosco
Kickxia spuria
2013 Neal Kramer
Kickxia spuria
2013 Zoya Akulova

Lactuca saligna    Narrow leaved wild lettuce,  Willow lettuce,  Willowleaf lettuce
non-native
Annual herb

ASTERACEAE

Lactuca saligna
2019 David popp
Lactuca saligna
2012 Vernon Smith
Lactuca saligna
2008 Jorg Fleige

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

Lasthenia californica ssp. macrantha    Perennial goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica ssp. macrantha
2009 Neal Kramer
Lasthenia californica ssp. macrantha
2003 Doreen L. Smith
Lasthenia californica ssp. macrantha
2017 James Gonsman

Lasthenia conjugens    Contra costa goldfields
native
Annual herb

ASTERACEAE

Lasthenia conjugens
2009 Zoya Akulova
Lasthenia conjugens
2009 Aaron Arthur
Lasthenia conjugens
2009 Zoya Akulova

Lasthenia glaberrima    Smooth goldfields
native
Annual herb

ASTERACEAE

Lasthenia glaberrima
2004 Carol W. Witham
Lasthenia glaberrima
2020 Matt Berger
Lasthenia glaberrima
2020 R.A. Chasey

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

Lathyrus odoratus    Common sweet pea,  Garden sweet pea,  Sweetpea
non-native
Annual herb

FABACEAE

Lathyrus odoratus
2013 Jake Ruygt
Lathyrus odoratus
2017 danielle noe
Lathyrus odoratus
1995 Saint Mary's College of California

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

Lemna gibba    Duckweed,  Gibbous duckweed,  Swollen duckweed
native
Perennial herb

ARACEAE

Lemna gibba
2019 Ron Vanderhoff
Lemna gibba
2019 Ron Vanderhoff
Lemna gibba
2019 Ron Vanderhoff

Lemna minor    Smaller duckweed
native
Perennial herb

ARACEAE

Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

Lemna minuta
2012 Barry Rice
Lemna minuta
2014 Neal Kramer
Lemna minuta
2018 Ron Vanderhoff

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2020 Mary Conway
Lepechinia calycina
2019 David popp

Lepidium draba    Whitetop
invasive non-native
Perennial herb

BRASSICACEAE

Lepidium draba
2007 Luigi Rignanese
Lepidium draba
2012 Ramona Robison
Lepidium draba
2018 John Doyen

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

Limonium sinuatum    Statice,  Wavyleaf sealavender
non-native
Perennial herb

PLUMBAGINACEAE

Limonium sinuatum
2006 Jennifer Naegele
Limonium sinuatum
2019 R.A. Chasey
Limonium sinuatum
2017 David Wolfson

Linum bienne    Narrow leaved flax,  Pale flax,  Small flowered flax
non-native
Annual herb

LINACEAE

Linum bienne
2007 Steve Matson
Linum bienne
2010 Neal Kramer
Linum bienne
2011 Steven Perry

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

Lomatium caruifolium var. caruifolium    Alkali desertparsley,  Caraway leaved lomatium
native
Perennial herb

APIACEAE

Lomatium caruifolium var. caruifolium
2014 Steve Matson
Lomatium caruifolium var. caruifolium
2014 Steve Matson
Lomatium caruifolium var. caruifolium
2014 Steve Matson

Lomatium parvifolium    Coastal biscuitroot,  Small leaved lomatium
native
Perennial herb

APIACEAE

Lomatium parvifolium
2004 Aaron Schusteff
Lomatium parvifolium
2013 John Doyen
Lomatium parvifolium
2011 Chris Winchell

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2020 Amy Rapport
Lonicera hispidula
2019 Doug Zimmerman

Lonicera involucrata var. ledebourii    Coast twinberry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata var. ledebourii
2007 Neal Kramer
Lonicera involucrata var. ledebourii
2020 Susan McDougall
Lonicera involucrata var. ledebourii
2014 James Gonsman

Lotus corniculatus    Bird's foot trefoil,  Birdfoot deervetch,  Broadleaf birdsfoot trefoil
invasive non-native
Perennial herb

FABACEAE

Lotus corniculatus
2005 Louis-M. Landry
Lotus corniculatus
2019 Nathan Taxel
Lotus corniculatus
2005 Dr. Amadej Trnkoczy

Lupinus albifrons var. abramsii    Abrams's lupine
native
Perennial herb

FABACEAE

Lupinus albifrons var. abramsii
1981 Lee Dittmann
Lupinus albifrons var. abramsii
2018 Michael Mitchell
Lupinus albifrons var. abramsii
2018 Michael Mitchell

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
2019 Patrick Furtado
Lupinus arboreus
2013 James Gonsman
Lupinus arboreus
2018 Juergen Blank

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 nanus    Sky lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Luzula subsessilis    Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula subsessilis
2013 Robert Steers/NPS
Luzula subsessilis
2013 Robert Steers/NPS

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Lysimachia arvensis
2017 B.J. Dion
Lysimachia arvensis
2009 Keir Morse
Lysimachia arvensis
2019 Barbara Boethling

Lysimachia minima    Chaffweed
native
Annual herb

MYRSINACEAE

Lysimachia minima
2017 Keir Morse
Lysimachia minima
2010 Alex V. Popovkin
Lysimachia minima
2017 Keir Morse

Lythrum hyssopifolia    Hyssop loosestrife
invasive non-native
Annual, Perennial herb

LYTHRACEAE

Lythrum hyssopifolia
2019 Jennifer Mo
Lythrum hyssopifolia
2016 Andrew Longman
Lythrum hyssopifolia
2016 Andrew Longman

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
2015 Debra L. Cook
Madia gracilis
2020 Paul Aigner
Madia gracilis
2016 John Doyen

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
2013 Ron Vanderhoff
Madia sativa
2008 Keir Morse
Madia sativa
2011 Neal Kramer

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

Malva nicaeensis
2015 Mike Morales
Malva nicaeensis
2008 Jorg Fleige
Malva nicaeensis
2009 Barry Breckling

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

Malva pseudolavatera    Cretan mallow
non-native
Shrub

MALVACEAE

Malva pseudolavatera
2007 Neal Kramer
Malva pseudolavatera
2014 Steve Matson
Malva pseudolavatera
2006 Vince Scheidt

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

Medicago lupulina    Black medick
non-native
Annual, Perennial herb

FABACEAE

Medicago lupulina
2003 Michael Charters
Medicago lupulina
2020 Ron Vanderhoff
Medicago lupulina
2020 Ron Vanderhoff

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

Medicago praecox    Mediterranean medick
non-native
Annual herb

FABACEAE

Medicago praecox
2012 Jean Pawek
Medicago praecox
2012 Jean Pawek

Medicago sativa    Alfalfa
non-native
Perennial herb

FABACEAE

Medicago sativa
2003 Michael Charters
Medicago sativa
2005 Louis-M. Landry
Medicago sativa
2003 Michael Charters

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

POACEAE

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

Melilotus albus    White sweetclover
invasive non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
2008 Keir Morse
Melilotus albus
2020 Aaron Echols
Melilotus albus
2020 Julia Markey

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

Microseris bigelovii    Coast microseris,  Coastal silverpuffs
native
Annual herb

ASTERACEAE

Microseris bigelovii
2011 Ryan Batten
Microseris bigelovii
2015 John Doyen
Microseris bigelovii
2013 Al Keuter

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

Microseris paludosa    Marsh scorzonella,  Marsh silverpuffs
native
Perennial herb

ASTERACEAE

Microseris paludosa
2020 Mary Conway
Microseris paludosa
2007 Neal Kramer
Microseris paludosa
2020 Mary Conway

Mimulus aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
2019 Gary McDonald
Mimulus aurantiacus
2019 Stacie Wolny
Mimulus aurantiacus
2020 Ron Vanderhoff

Mimulus cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Mimulus cardinalis
Geoff Burleigh
Mimulus cardinalis
Geoff Burleigh
Mimulus cardinalis
2019 Diane Etchison

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

PHRYMACEAE

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

Morella californica    California wax myrtle
native
Shrub

MYRICACEAE

Morella californica
2008 Neal Kramer
Morella californica
2020 Susan McDougall
Morella californica
2008 Keir Morse

Myoporum laetum    Lollypop tree,  Ngaio tree
invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Myoporum laetum
2008 Neal Kramer
Myoporum laetum
2008 Neal Kramer
Myoporum laetum
2019 Jennifer Mo

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
2019 Patrick Furtado
Nasturtium officinale
2019 Diane Etchison
Nasturtium officinale
2016 Joan Hampton

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
2002 Brad Kelley
Oenanthe sarmentosa
2009 Dr. Mark S. Brunell
Oenanthe sarmentosa
2008 Keir Morse

Oenothera elata ssp. hookeri    Common evening primrose,  Evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata ssp. hookeri
2009 Neal Kramer
Oenothera elata ssp. hookeri
2014 John Doyen
Oenothera elata ssp. hookeri
2013 Neal Kramer

Oxalis corniculata    Creeping wood sorrel,  Creeping woodsorrel,  Yellow sorrel
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis corniculata
2008 Gary McDonald
Oxalis corniculata
2007 Dr. Amadej Trnkoczy
Oxalis corniculata
2011 Neal Kramer

Oxalis pes-caprae    Bermuda buttercup,  Sourgrass
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis pes-caprae
2019 Gary McDonald
Oxalis pes-caprae
2019 Randy Huey
Oxalis pes-caprae
2018 Ron Vanderhoff

Oxalis pilosa    Hairy wood sorrel
native
Annual herb

OXALIDACEAE

Oxalis pilosa
2010 Robert Steers/NPS
Oxalis pilosa
2013 Robert Sikora
Oxalis pilosa
2003 Bart and Susan Eisenberg

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2004 Michelle Cloud-Hughes
Paeonia californica
2019 Susan McDougall
Paeonia californica
2019 Susan McDougall

Parapholis incurva    Curved sicklegrass,  Sickle grass
non-native
Annual grass

POACEAE

Parapholis incurva
2008 Zoya Akulova
Parapholis incurva
2008 Zoya Akulova
Parapholis incurva
2011 Neal Kramer

Parietaria hespera var. californica    California pellitory
native
Annual herb

URTICACEAE

Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2002 Dean Wm. Taylor

Paspalum dilatatum    Dallis grass,  Dallisgrass
non-native
Perennial grass

POACEAE

Paspalum dilatatum
2018 Ron Vanderhoff
Paspalum dilatatum
2006 Steven Thorsted
Paspalum dilatatum
2009 Barry Rice

Pelargonium grossularioides    Gooseberry geranium,  Gooseberry pelargonium
non-native
Annual, Perennial herb

GERANIACEAE

Pelargonium grossularioides
2019 James Bailey
Pelargonium grossularioides
2018 Ron Vanderhoff
Pelargonium grossularioides
2017 James Bailey

Pelargonium inquinans    Scarlet geranium,  South african pelargonium
non-native
Shrub (stem succulent)

GERANIACEAE


Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

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

Pennisetum   


native
Fern

PTERIDACEAE

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

Perideridia gairdneri ssp. gairdneri    Gairdner's yampah
native
Perennial herb

APIACEAE

Perideridia gairdneri ssp. gairdneri
2007 Neal Kramer
Perideridia gairdneri ssp. gairdneri
2004 Bob Huettmann
Perideridia gairdneri ssp. gairdneri
2011 Chris Winchell

Persicaria amphibia    Water smartweed
native
Perennial herb (aquatic)

POLYGONACEAE

Persicaria amphibia
2019 Ken Hickman
Persicaria amphibia
2009 Ron Vanderhoff
Persicaria amphibia
2017 Ron Vanderhoff

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

Persicaria lapathifolia
2018 Ron Vanderhoff
Persicaria lapathifolia
2016 Barbara Boethling
Persicaria lapathifolia
2018 Ron Vanderhoff

Persicaria punctata    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Persicaria punctata
2014 Neal Kramer
Persicaria punctata
2018 Ron Vanderhoff
Persicaria punctata
2018 Ron Vanderhoff

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

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
2019 James Bailey
Phalaris aquatica
2019 James Bailey
Phalaris aquatica
2017 James Bailey

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

Phalaris californica
2010 Robert Steers/NPS
Phalaris californica
2010 Zoya Akulova
Phalaris californica
2009 Zoya Akulova

Phalaris canariensis    Annual canarygrass
non-native
Annual grass

POACEAE

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

Phyla nodiflora    Common lippia,  Lippia,  Turkey tangle fogfruit
native
Perennial herb

VERBENACEAE

Phyla nodiflora
2018 Ron Vanderhoff
Phyla nodiflora
2019 R.A. Chasey
Phyla nodiflora
2016 DigiBirdTrek CA

Phyllospadix scouleri    Scouler's surfgrass,  Surf grass
native
Perennial herb

ZOSTERACEAE

Phyllospadix scouleri
2008 Gary McDonald
Phyllospadix scouleri
2008 Gary McDonald
Phyllospadix scouleri
Gerald and Buff Corsi 2005 California Academy of Sciences

Phyllospadix torreyi    Surf grass,  Torrey's surfgrass
native
Perennial herb

ZOSTERACEAE

Phyllospadix torreyi
2012 Ron Vanderhoff
Phyllospadix torreyi
2018 Ron Vanderhoff
Phyllospadix torreyi
2018 Ron Vanderhoff

Pilularia americana    American pillwort
native
Fern

MARSILEACEAE

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

Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
2013 Susan McDougall
Pinus radiata
2008 Neal Kramer
Pinus radiata
2019 Susan McDougall

Pittosporum undulatum    Australian cheesewood,  Victorian box
invasive non-native
Tree, Shrub

PITTOSPORACEAE

Pittosporum undulatum
2008 Zoya Akulova
Pittosporum undulatum
2018 Ron Vanderhoff
Pittosporum undulatum
2018 Ron Vanderhoff

Plagiobothrys bracteatus    Bracted allocarya,  Bracted popcorn flower,  Bracted popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys bracteatus
2008 Jorg Fleige
Plagiobothrys bracteatus
2003 Keir Morse
Plagiobothrys bracteatus
2008 Keir Morse

Plagiobothrys chorisianus var. hickmanii    Hickman's popcorn flower,  Hickman's popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys chorisianus var. hickmanii
2019 Diane Renshaw
Plagiobothrys chorisianus var. hickmanii
2019 Aaron Schusteff
Plagiobothrys chorisianus var. hickmanii
2011 Steve Matson

Plagiobothrys undulatus    Coast allocarya
native
Annual herb

BORAGINACEAE

Plagiobothrys undulatus
2008 Neal Kramer
Plagiobothrys undulatus
2012 Terrence Gosliner
Plagiobothrys undulatus
2005 Jennifer Buck

Plantago coronopus    Buckhorn plantain,  Cut leaf plantain
invasive non-native
Annual herb

PLANTAGINACEAE

Plantago coronopus
2008 Jorg Fleige
Plantago coronopus
2003 George W. Hartwell
Plantago coronopus
2017 MCOSD Restoration Crew

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2007 Neal Kramer
Plantago lanceolata
2019 Diane Etchison

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
2009 Barry Breckling
Plantago major
2013 Debra L. Cook
Plantago major
2015 Zoya Akulova

Plantago maritima    Alkali plantain,  Goose tongue,  Maritime plantain
native
Perennial herb

PLANTAGINACEAE

Plantago maritima
2002 Margo Bors
Plantago maritima
2014 Zoya Akulova
Plantago maritima
2009 Neal Kramer

Plantago subnuda    Mexican plantain,  Naked plantain,  Tall coastal plantain
native
Perennial herb

PLANTAGINACEAE

Plantago subnuda
2008 Neal Kramer
Plantago subnuda
2010 Neal Kramer
Plantago subnuda
2010 Margo Bors

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa
2012 Neal Kramer
Platanus racemosa
2018 Ron Vanderhoff
Platanus racemosa
2019 Rachelle Gray

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

POACEAE

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

Poa 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

Pogogyne douglasii    Douglas' mesamint,  Douglas' pogogyne
native
Annual herb

LAMIACEAE

Pogogyne douglasii
2004 Carol W. Witham
Pogogyne douglasii
2011 Steven Perry
Pogogyne douglasii
2013 John Doyen

Pogogyne serpylloides    Thyme leaf mesa mint,  Thymeleaf mesamint
native
Annual herb

LAMIACEAE

Pogogyne serpylloides
2011 Steven Perry
Pogogyne serpylloides
2013 Gary McDonald
Pogogyne serpylloides
2013 Gary McDonald

Polycarpon depressum    California allseed,  California manyseed,  California polycarpon
native
Annual herb

CARYOPHYLLACEAE

Polycarpon depressum
2011 Neal Kramer
Polycarpon depressum
2013 Keir Morse
Polycarpon depressum
2013 Keir Morse

Polycarpon tetraphyllum    Four leaved all seed,  Four leaved allseed,  Four leaved polycarp
non-native
Annual herb

CARYOPHYLLACEAE

Polycarpon tetraphyllum
2010 Margo Bors
Polycarpon tetraphyllum
2019 Kristin Sabo
Polycarpon tetraphyllum
2019 Kristin Sabo

Polygonum aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare
2016 John Doyen
Polygonum aviculare
2008 Keir Morse
Polygonum aviculare
2010 Lee Dittmann

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2013 Neal Kramer
Polypodium californicum
2018 Chico Hiking Association
Polypodium californicum
2015 Keir Morse

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

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

POACEAE

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

Polypogon viridis    Water beard grass
non-native
Perennial grass

POACEAE

Polypogon viridis
2013 Al Keuter
Polypogon viridis
2013 Al Keuter
Polypogon viridis
2010 Luigi Rignanese

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
2008 Matt Below
Polystichum munitum
Gerald and Buff Corsi 2007 California Academy of Sciences
Polystichum munitum
2008 Keir Morse

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

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2012 Zoya Akulova
Populus trichocarpa
2014 Ron Vanderhoff
Populus trichocarpa
2020 Susan McDougall

Potamogeton foliosus    Leafy pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton foliosus
2016 Robert L. Carr
Potamogeton foliosus
2016 Robert L. Carr
Potamogeton foliosus
2007 Neal Kramer

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
2007 Neal Kramer
Potentilla anserina ssp. pacifica
2015 James Gonsman
Potentilla anserina ssp. pacifica
2014 James Gonsman

Poterium sanguisorba    Garden burnet
non-native
Perennial herb

ROSACEAE

Poterium sanguisorba
2011 Aaron Arthur
Poterium sanguisorba
2011 Barry Breckling
Poterium sanguisorba
2010 Barry Breckling

native
Perennial herb

ASTERACEAE

Pseudognaphalium beneolens
2015 Debra L. Cook
Pseudognaphalium beneolens
2015 James Gonsman
Pseudognaphalium beneolens
2005 Keir Morse

Pseudognaphalium biolettii    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

Pseudognaphalium biolettii
2019 Diane Etchison
Pseudognaphalium biolettii
2013 Vernon Smith
Pseudognaphalium biolettii
2019 Nancy Hamlett

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Pseudognaphalium californicum
2017 Gary McDonald
Pseudognaphalium californicum
2017 Gary McDonald
Pseudognaphalium californicum
2020 Susan McDougall

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

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

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

Pseudognaphalium microcephalum
2014 Neal Kramer
Pseudognaphalium microcephalum
2018 Diane Etchison
Pseudognaphalium microcephalum
2014 Neal Kramer

Pseudognaphalium ramosissimum    Pink cudweed
native
Biennial herb

ASTERACEAE

Pseudognaphalium ramosissimum
2018 Parker Santiago
Pseudognaphalium ramosissimum
2013 Neal Kramer
Pseudognaphalium ramosissimum
2013 Neal Kramer

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

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

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
2012 Neal Kramer
Psilocarphus tenellus
2008 Keir Morse
Psilocarphus tenellus
2002 Dean Wm. Taylor

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2011 Zoya Akulova

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

Quercus agrifolia var. agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia var. agrifolia
2002 Doreen L. Smith
Quercus agrifolia var. agrifolia
2019 Susan McDougall
Quercus agrifolia var. agrifolia
2020 Susan McDougall

Ranunculus aquatilis var. diffusus    Whitewater crowfoot
native
Perennial herb (aquatic)

RANUNCULACEAE

Ranunculus aquatilis var. diffusus
2008 Keir Morse
Ranunculus aquatilis var. diffusus
2004 Carol W. Witham
Ranunculus aquatilis var. diffusus
2018 Cynthia Powell

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2020 Mitchell Coleman
Ranunculus californicus
2019 Diane Etchison

Raphanus sativus    Cultivated radish,  Jointed charlock,  Wild radish
invasive non-native
Annual, Biennial herb

BRASSICACEAE

Raphanus sativus
2017 Lisa Miller
Raphanus sativus
2004 Carol W. Witham
Raphanus sativus
2008 Thomas Stoughton

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

Rhamnus crocea
2003 Charles E. Jones
Rhamnus crocea
2020 Bryant Baker
Rhamnus crocea
2019 Diane Etchison

Ribes divaricatum var. pubiflorum    Spreading gooseberry,  Straggly gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum var. pubiflorum
2010 Robert Steers/NPS
Ribes divaricatum var. pubiflorum
2008 Keir Morse
Ribes divaricatum var. pubiflorum
2016 Keir Morse

Ribes menziesii var. menziesii    Canyon gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii var. menziesii
2018 Rebecca Schoenenberger
Ribes menziesii var. menziesii
2014 Zoya Akulova
Ribes menziesii var. menziesii
2020 Susan McDougall

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2020 Talila Golan
Ribes sanguineum var. glutinosum
2018 Hunter Breck
Ribes sanguineum var. glutinosum
2020 Susan McDougall

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
2004 Christopher L. Christie
Ribes speciosum
2020 Kathryn Cehrs
Ribes speciosum
2018 Mary Conway

Romulea rosea var. australis    Rosy sand crocus,  Rosy sandcrocus
non-native
Perennial herb

IRIDACEAE

Romulea rosea var. australis
2019 Janice Kuch
Romulea rosea var. australis
2018 Adam Chasey
Romulea rosea var. australis
2002 Dean Wm. Taylor

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
Geoff Burleigh
Rosa californica
2018 Ron Vanderhoff
Rosa californica
2018 Ron Vanderhoff

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2008 Keir Morse
Rubus ursinus
2008 Keir Morse
Rubus ursinus
2007 Neal Kramer

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
2007 Dr. Mark S. Brunell
Rumex acetosella
2015 Richard Chasey
Rumex acetosella
2017 Gary McDonald

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
2013 Robert Steers/NPS
Rumex conglomeratus
2010 Phil Pullen
Rumex conglomeratus
2008 Keir Morse

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

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2018 b potts

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
2007 Neal Kramer
Rumex kerneri
2011 Neal Kramer

Rumex occidentalis    Western dock
native
Perennial herb

POLYGONACEAE

Rumex occidentalis
2009 Neal Kramer
Rumex occidentalis
2014 Patrick Furtado
Rumex occidentalis
2012 Vernon Smith

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
2020 Ryan Carle
Rumex pulcher
2008 Margo Bors
Rumex pulcher
2015 John Doyen

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
2011 Neal Kramer
Rumex salicifolius var. crassus
2008 Jorg Fleige
Rumex salicifolius var. crassus
2011 Neal Kramer

Rumex salicifolius var. salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. salicifolius
2019 Diane Etchison
Rumex salicifolius var. salicifolius
2019 Diane Etchison
Rumex salicifolius var. salicifolius
2019 Diane Etchison

Ruppia maritima    Ditch grass,  Ditchgrass or wigeon grass,  Widgeongrass
native
Perennial herb (aquatic)

RUPPIACEAE

Ruppia maritima
2002 Margo Bors
Ruppia maritima
2011 Sangeet Khalsa
Ruppia maritima
2011 Sangeet Khalsa

Sagina apetala    Annual pearlwort,  Dwarf pearlwort,  Sticky pearlwort
non-native
Annual herb

CARYOPHYLLACEAE

Sagina apetala
2011 Barry Breckling
Sagina apetala
2010 Jennifer Buck
Sagina apetala
2012 Robert Steers/NPS

Sagina decumbens ssp. occidentalis    Western pearlwort
native
Annual herb

CARYOPHYLLACEAE

Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
2019 Ron Vanderhoff

Salicornia pacifica    Glasswort,  Pacific swampfire,  Pickleweed
native
Perennial herb

CHENOPODIACEAE

Salicornia pacifica
2012 Robert Sikora
Salicornia pacifica
2018 Ron Vanderhoff
Salicornia pacifica
2018 Julian Geoghegan

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

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

Salix lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra var. lasiandra
2007 Neal Kramer
Salix lasiandra var. lasiandra
2015 Margo Bors
Salix lasiandra var. lasiandra
2014 Zoya Akulova

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2008 Keir Morse
Salix lasiolepis
2012 Zoya Akulova
Salix lasiolepis
2016 Zoya Akulova

Salix sitchensis    Coulter willow,  Sitka willow
native
Tree, Shrub

SALICACEAE

Salix sitchensis
2008 Keir Morse
Salix sitchensis
2015 Doreen L. Smith
Salix sitchensis
2008 Keir Morse

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 arctopoides    Footsteps of spring,  Yellow mats
native
Perennial herb

APIACEAE

Sanicula arctopoides
2019 Eliezer Margolis
Sanicula arctopoides
2017 James Gonsman
Sanicula arctopoides
2017 James Gonsman

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2020 Ryan Carle
Sanicula crassicaulis
2020 R.A. Chasey
Sanicula crassicaulis
2008 Steven Perry

Sanicula hoffmannii    Hoffmann's blacksnakeroot,  Hoffmann's sanicle,  Hoffmann's snakeroot
native
Perennial herb

APIACEAE

Sanicula hoffmannii
2014 Keir Morse
Sanicula hoffmannii
2015 David Wolfson
Sanicula hoffmannii
2019 Ken Hickman

Sanicula laciniata    Coast sanicle,  Coastal blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula laciniata
2009 Jorg Fleige
Sanicula laciniata
2012 Aaron E. Sims
Sanicula laciniata
2004 Aaron Schusteff

Sanicula maritima    Adobe sanicle,  Adobe snakeroot
native
Perennial herb

APIACEAE

Sanicula maritima
2013 David Wolfson
Sanicula maritima
2012 Wendy Fisher
Sanicula maritima
2014 Chris Winchell

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus acutus var. occidentalis
2019 Steve Matson
Schoenoplectus acutus var. occidentalis
2013 Neal Kramer
Schoenoplectus acutus var. occidentalis
2015 Steve Matson

Schoenoplectus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus americanus
2010 Louis-M. Landry
Schoenoplectus americanus
2010 Neal Kramer
Schoenoplectus americanus
2013 Neal Kramer

Schoenoplectus californicus    California bulrush
native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus californicus
2010 Steven Thorsted
Schoenoplectus californicus
2007 Neal Kramer
Schoenoplectus californicus
2020 Diane Etchison

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus pungens var. longispicatus
2008 Steve Matson
Schoenoplectus pungens var. longispicatus
2019 Julian Geoghegan
Schoenoplectus pungens var. longispicatus
2007 Neal Kramer

Scirpus microcarpus    Mountain bog bulrush,  Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
2003 Steve Matson
Scirpus microcarpus
2011 Steven Perry
Scirpus microcarpus
2019 Julie Kierstead Nelson

Scrophularia californica ssp. californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica
2019 Ron Vanderhoff
Scrophularia californica ssp. californica
2018 Stacie Wolny
Scrophularia californica ssp. californica
2019 Cynthia Powell

Senecio elegans    Redpurple ragwort
non-native
Annual herb

ASTERACEAE

Senecio elegans
2011 Neal Kramer
Senecio elegans
2015 John Doyen
Senecio elegans
2015 John Doyen

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

ASTERACEAE

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

Senecio glomeratus    Cutleaf burnweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Senecio glomeratus
2009 Zoya Akulova
Senecio glomeratus
2015 Zoya Akulova
Senecio glomeratus
2006 Adonis (Don) Tate

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

Setaria viridis    Green bristlegrass,  Green foxtail
non-native
Annual grass

POACEAE

Setaria viridis
2005 Louis-M. Landry
Setaria viridis
2005 Louis-M. Landry
Setaria viridis
2005 Louis-M. Landry

Sidalcea malviflora ssp. laciniata    Dwarf checkerbloom,  Laciniate checker mallow
native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea malviflora ssp. laciniata
2007 Neal Kramer
Sidalcea malviflora ssp. laciniata
2008 Jorg Fleige
Sidalcea malviflora ssp. laciniata
2012 Robert Sikora

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
2017 Barbara Boethling
Silene gallica
2017 Gary McDonald
Silene gallica
2017 Gary McDonald

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
2020 Nancy Hamlett
Silybum marianum
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

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

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2020 Mary Conway
Sisyrinchium bellum
2020 Benjamin Gould
Sisyrinchium bellum
2019 Stacie Wolny

Sisyrinchium californicum    California golden eyed grass,  Golden blue eyed grass,  Yellow eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium californicum
2015 Margo Bors
Sisyrinchium californicum
2006 Joseph Dougherty, M.D./ecology.org
Sisyrinchium californicum
2020 Mary Sue Ittner

Solanum americanum    American black nightshade,  Common nightshade,  Small flowered nightshade
native
Annual, Perennial herb

SOLANACEAE

Solanum americanum
2019 Gary McDonald
Solanum americanum
2020 Susan McDougall
Solanum americanum
2019 Gary McDonald

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
2003 Michael Charters
Solanum douglasii
2018 Debra L. Cook
Solanum douglasii
2017 Zoya Akulova

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum
2020 Ryan Carle

Solidago elongata    West coast canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago elongata
2007 Michelle Cloud-Hughes
Solidago elongata
2009 Keir Morse
Solidago elongata
2009 Keir Morse

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
2018 Rebecca Schoenenberger
Solidago velutina ssp. californica
2017 Hilary Mills
Solidago velutina ssp. californica
2017 Hilary Mills

Soliva sessilis    Common soliva,  Field burrweed,  South american soliva
non-native
Annual herb

ASTERACEAE

Soliva sessilis
2007 Carol W. Witham
Soliva sessilis
2006 Steve Matson
Soliva sessilis
2010 Robert Steers/NPS

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

ASTERACEAE

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

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

ASTERACEAE

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

Sparganium eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

Sparganium eurycarpum
2014 David Wolfson
Sparganium eurycarpum
2009 Aaron Schusteff
Sparganium eurycarpum
2014 David Wolfson

Spartium junceum    Gorse,  Spanish broom
invasive non-native
Shrub

FABACEAE

Spartium junceum
2016 Steve Matson
Spartium junceum
2006 Jennifer Naegele
Spartium junceum
2008 Neal Kramer

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis
2005 Steve Matson
Spergula arvensis
2020 Mary Conway
Spergula arvensis
2008 Keir Morse

Spergularia bocconi    Boccone's sand spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergularia bocconi
2015 Debra L. Cook
Spergularia bocconi
2017 Abby Sirulnik
Spergularia bocconi
2004 Carol W. Witham

Spergularia macrotheca var. macrotheca    Sand spurrey,  Sticky sand spurry,  Sticky sandspurry
native
Perennial herb

CARYOPHYLLACEAE

Spergularia macrotheca var. macrotheca
2008 Steve Matson
Spergularia macrotheca var. macrotheca
2007 Neal Kramer
Spergularia macrotheca var. macrotheca
2017 B.J. Dion

Spergularia marina    Salt marsh sand spurry
native
Annual herb

CARYOPHYLLACEAE

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

Spergularia rubra    Purple sand spurry,  Red sandspurry,  Ruby sandspurry
non-native
Annual, Perennial herb

CARYOPHYLLACEAE

Spergularia rubra
2014 James Gonsman
Spergularia rubra
2014 Dee Warenycia
Spergularia rubra
2014 Richard Chasey

Spiranthes romanzoffiana    Hooded ladies tresses,  Hooded ladies' tresses,  Ladies' tresses
native
Perennial herb

ORCHIDACEAE

Spiranthes romanzoffiana
Geoff Burleigh
Spiranthes romanzoffiana
2019 Chico Hiking Association
Spiranthes romanzoffiana
Geoff Burleigh

Stachys ajugoides    Ajuga hedge nettle,  Bugle hedgenettle,  Hedge nettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides
2007 Neal Kramer
Stachys ajugoides
2004 Bob Huettmann
Stachys ajugoides
2006 Doreen L. Smith

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2018 Sheila Lodge
Stachys bullata
2020 Bryant Baker
Stachys bullata
2020 Ken Lunders

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

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
2018 Gary McDonald
Stellaria media
2017 MCOSD EDRR
Stellaria media
2015 Diane Etchison

Stephanomeria cichoriacea    Chicory leaved stephanomeria,  Chicoryleaf wirelettuce,  Fort tejon milk aster
native
Perennial herb

ASTERACEAE

Stephanomeria cichoriacea
2018 John Game
Stephanomeria cichoriacea
2011 Robert A. Hamilton
Stephanomeria cichoriacea
2018 Richard Rachman

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
2016 Andrew Longman
Stipa lepida
2017 Gary McDonald
Stipa lepida
2016 Andrew Longman

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
2018 Gary McDonald
Stipa pulchra
2019 Ron Vanderhoff
Stipa pulchra
2019 Ron Vanderhoff

native
Annual herb

BRASSICACEAE

Streptanthus glandulosus ssp. glandulosus
2008 Keir Morse
Streptanthus glandulosus ssp. glandulosus
2005 Aaron Schusteff
Streptanthus glandulosus ssp. glandulosus
2008 Keir Morse

Stuckenia pectinata    Sago pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Stuckenia pectinata
2018 Neal Kramer
Stuckenia pectinata
2018 Ron Vanderhoff
Stuckenia pectinata
2018 Ron Vanderhoff

Symphyotrichum chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Symphyotrichum chilense
2020 Mary Conway
Symphyotrichum chilense
2018 Stacie Wolny
Symphyotrichum chilense
2018 Stacie Wolny

Taraxia ovata    Sun cup,  Goldeneggs
native
Perennial herb

ONAGRACEAE

Taraxia ovata
2019 Margot Cunningham
Taraxia ovata
2013 Annette Anzalone
Taraxia ovata
2012 Neal Kramer

Tetragonia tetragonoides    New zealand spinach
non-native
Annual herb

AIZOACEAE

Tetragonia tetragonoides
2015 Zoya Akulova
Tetragonia tetragonoides
© 2015 Zoya Akulova
Tetragonia tetragonoides
2015 Zoya Akulova

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

Torilis arvensis    Field hedge parsley,  Spreading hedgeparsley
invasive non-native
Annual herb

APIACEAE

Torilis arvensis
2019 Ron Vanderhoff
Torilis arvensis
2018 Gary McDonald
Torilis arvensis
2008 Keir Morse

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
2008 Neal Kramer
Torilis nodosa
2004 Laura Ann Eliassen
Torilis nodosa
2013 Robert Steers/NPS

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2008 Gary McDonald
Toxicodendron diversilobum
2019 Randy Huey
Toxicodendron diversilobum
2008 Zoya Akulova

Toxicoscordion fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Toxicoscordion fremontii
2020 Bryant Baker
Toxicoscordion fremontii
2019 Dee Shea Himes
Toxicoscordion fremontii
2017 Kristin Sabo

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
2019 Julie dinsdale
Tragopogon porrifolius
2015 David Wolfson
Tragopogon porrifolius
2018 Amy Rapport

Trifolium angustifolium    Narrow leaved clover,  Narrowleaf crimson clover
non-native
Annual herb

FABACEAE

Trifolium angustifolium
2017 Gary Morgret
Trifolium angustifolium
2020 Ryan Carle
Trifolium angustifolium
2019 Gary McDonald

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
2004 Carol W. Witham
Trifolium bifidum var. decipiens
2008 Keir Morse
Trifolium bifidum var. decipiens
2008 Keir Morse

Trifolium campestre    Field clover,  Low hop clover
non-native
Annual herb

FABACEAE

Trifolium campestre
2007 Neal Kramer
Trifolium campestre
2013 Zoya Akulova
Trifolium campestre
2014 Monty Rickard

Trifolium depauperatum var. amplectens    Balloon sack clover,  Pale bladder clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. amplectens
2018 David Greenberger
Trifolium depauperatum var. amplectens
2013 Andrea Williams
Trifolium depauperatum var. amplectens
2018 David Greenberger

Trifolium dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium dichotomum
2008 Keir Morse
Trifolium dichotomum
2007 Neal Kramer
Trifolium dichotomum
2007 Neal Kramer

Trifolium glomeratum    Clustered clover
non-native
Annual herb

FABACEAE

Trifolium glomeratum
2010 Zoya Akulova
Trifolium glomeratum
2020 Ryan Carle
Trifolium glomeratum
2009 Neal Kramer

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 hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
2004 Carol W. Witham
Trifolium hirtum
2008 Keir Morse
Trifolium hirtum
2013 Zoya Akulova

Trifolium incarnatum    Crimson clover
non-native
Annual herb

FABACEAE

Trifolium incarnatum
2018 Tim Lewis
Trifolium incarnatum
2019 Amy Rapport
Trifolium incarnatum
2018 Cynthia Powell

Trifolium macraei    Chilean clover,  Macrae's clover
native
Annual herb

FABACEAE

Trifolium macraei
2013 Zoya Akulova
Trifolium macraei
2013 Robert Steers/NPS
Trifolium macraei
2013 Zoya Akulova

Trifolium microcephalum    Hairy clover,  Maiden clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
2005 Steve Matson
Trifolium microcephalum
2008 Neal Kramer
Trifolium microcephalum
2018 Zoya Akulova

Trifolium repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
2017 Gary McDonald
Trifolium repens
2007 Dr. Amadej Trnkoczy
Trifolium repens
2017 Gary McDonald

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
2008 Jennifer Buck
Trifolium subterraneum
2008 Neal Kramer
Trifolium subterraneum
2019 Matt Berger

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
2004 Carol W. Witham
Trifolium variegatum
2016 Cheryl Ballantyne
Trifolium variegatum
2019 Diane Etchison

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Trifolium wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii
2018 Hayley Ross
Trifolium wormskioldii
2009 Dr. Mark S. Brunell
Trifolium wormskioldii
2015 James Gonsman

Triglochin scilloides    Flowering-quillwort
native
Annual herb (aquatic)

JUNCAGINACEAE

Triglochin scilloides
2017 Ron Vanderhoff
Triglochin scilloides
2018 Carol Witham
Triglochin scilloides
2011 Hattie Brown

Triglochin striata    Three ribbed arrow grass,  Threerib arrowgrass
native
Perennial herb (aquatic)

JUNCAGINACEAE

Triglochin striata
2008 Dean Wm. Taylor, Ph.D.
Triglochin striata
2010 Dean Wm. Taylor
Triglochin striata
2013 Vernon Smith

Triphysaria eriantha ssp. rosea    Johnny tuck,  Pink butter 'n' eggs
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. rosea
2017 Gary Morgret
Triphysaria eriantha ssp. rosea
2005 Brent Miller
Triphysaria eriantha ssp. rosea
2020 Mary Sue Ittner

Triphysaria pusilla    Dwarf owl's clover,  Little owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria pusilla
2007 Aaron Schusteff
Triphysaria pusilla
2008 Keir Morse
Triphysaria pusilla
2012 Neal Kramer

Triteleia ixioides ssp. cookii    Cook's triteleia
native
Perennial herb (bulb)

THEMIDACEAE

Triteleia ixioides ssp. cookii
2000 Joseph Dougherty/ecology.org

Triteleia ixioides ssp. ixioides    Golden brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. ixioides
2015 John Doyen
Triteleia ixioides ssp. ixioides
2019 Mary Conway
Triteleia ixioides ssp. ixioides
2020 Mary Conway

Tropaeolum majus    Garden nasturtium,  Nasturtium
invasive non-native
Annual herb, Vine

TROPAEOLACEAE

Tropaeolum majus
2004 Nick Kurzenko
Tropaeolum majus
2014 Zoya Akulova
Tropaeolum majus
Nick Kurzenko

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

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

Typha latifolia    Broadleaf cattail,  Common cattail,  Soft flag
native
Perennial herb (aquatic)

TYPHACEAE

Typha latifolia
2007 Neal Kramer
Typha latifolia
2004 Steve Matson
Typha latifolia
2015 Keir Morse

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2015 Diane Etchison
Umbellularia californica
2003 Michael Charters
Umbellularia californica
2018 David popp

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

Urtica dioica ssp. holosericea    Giant creek nettle,  Hoary nettle,  Mountain nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea
2017 Ron Vanderhoff
Urtica dioica ssp. holosericea
2019 Bonnie Nickel
Urtica dioica ssp. holosericea
2013 Neal Kramer

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

VERBENACEAE

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

Verbena litoralis    Seashore vervain
invasive non-native
Biennial, Perennial herb

VERBENACEAE

Verbena litoralis
2011 Barry Breckling
Verbena litoralis
2001 Joe DiTomaso
Verbena litoralis
2000 Joe DiTomaso

Veronica peregrina ssp. xalapensis    Hairy purslane speedwell,  Neckweed,  Purslane speedwell
native
Annual herb

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis
2020 Steve Matson
Veronica peregrina ssp. xalapensis
2020 Ron Vanderhoff
Veronica peregrina ssp. xalapensis
2020 Steve Matson

Vicia americana ssp. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana ssp. americana
2008 Neal Kramer
Vicia americana ssp. americana
2011 Barry Breckling
Vicia americana ssp. americana
2019 Chico Hiking Association

Vicia benghalensis    Purple vetch,  Reddish tufted vetch,  Vetch
non-native
Annual herb, Vine

FABACEAE

Vicia benghalensis
2010 Neal Kramer
Vicia benghalensis
2007 Neal Kramer
Vicia benghalensis
2005 Luigi Rignanese

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
2013 James Gonsman
Vicia gigantea
2019 Cynthia Powell
Vicia gigantea
2006 Steve Matson

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
2009 Neal Kramer
Vicia sativa ssp. sativa
2009 Barry Breckling
Vicia sativa ssp. sativa
2019 Matt Berger

Vicia villosa ssp. varia    Smooth vetch,  Thick fruited vetch,  Winter vetch
non-native
Annual herb, Vine

FABACEAE

Vicia villosa ssp. varia
2008 Keir Morse
Vicia villosa ssp. varia
2020 Julie A. Kierstead
Vicia villosa ssp. varia
2020 Ken Lunders

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
2009 Barry Rice
Vinca major
2020 Julie A. Kierstead
Vinca major
2020 Julie A. Kierstead

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
2009 John W. Wall
Woodwardia fimbriata
2019 Susan McDougall
Woodwardia fimbriata
2019 Susan McDougall

Xanthium spinosum    Spiny clotbur,  Spiny cockleburr
non-native
Annual herb

ASTERACEAE

Xanthium spinosum
2018 Joslyn Curtis
Xanthium spinosum
2014 Richard Spellenberg
Xanthium spinosum
2020 Thomas Reyes

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

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

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

Zeltnera davyi
2013 John Doyen
Zeltnera davyi
2018 Mary Conway
Zeltnera davyi
2012 Vernon Smith