logo Calflora Illustrated Plant List 


San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-07)

Record Detail Nearby Surveys What Grows Here?
546 PLANTS
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

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 brachycarpus    Short podded lotus
native
Annual herb

FABACEAE

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

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

native
Perennial herb

FABACEAE

Acmispon junceus var. junceus
2013 Al Keuter
Acmispon junceus var. junceus
2016 Neal Kramer
Acmispon junceus var. junceus
2006 Adonis (Don) Tate

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

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

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

Acmispon wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

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

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

Aeonium haworthii    Haworth's aeonium
non-native
Shrub

CRASSULACEAE

Aeonium haworthii
2010 Zoya Akulova
Aeonium haworthii
2010 Zoya Akulova
Aeonium haworthii
1957 Arthur H. Bazell, M.D.

Agave americana    American century plant
non-native
Perennial herb, Shrub

AGAVACEAE

Agave americana
2017 MCOSD EDRR
Agave americana
2014 Zoya Akulova
Agave americana
2019 Nancy Hamlett

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2007 Gerald Carr
Agoseris grandiflora var. grandiflora
2007 Gerald Carr

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

Alisma triviale    Northern water plantain
native
Perennial herb (aquatic)

ALISMATACEAE

Alisma triviale
2019 Gena Bentall
Alisma triviale
2007 Neal Kramer
Alisma triviale
2012 Barry Breckling

Allium cepa    Garden onion
non-native
Perennial herb (bulb)

ALLIACEAE

Allium cepa
2016 Zoya Akulova
Allium cepa
2005 Luigi Rignanese
Allium cepa
2019 Stacie Sherman

Allium sativum    Cultivated garlic
non-native
Perennial herb (bulb)

ALLIACEAE

Allium sativum
2005 Luigi Rignanese
Allium sativum
2005 Luigi Rignanese

Amaranthus deflexus    Amaranth,  Large fruited amaranth,  Largefruit amaranth
non-native
Annual herb

AMARANTHACEAE

Amaranthus deflexus
2018 Ron Vanderhoff
Amaranthus deflexus
2018 Ron Vanderhoff
Amaranthus deflexus
2018 Ron Vanderhoff

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. microcarpa    Small fruit seaside fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie
Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie
Amsinckia spectabilis var. microcarpa
2006 Adonis (Don) Tate

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

Antirrhinum nuttallianum ssp. subsessile    Nuttall's snapdragon
native
Annual, Perennial herb

PLANTAGINACEAE

Antirrhinum nuttallianum ssp. subsessile
2007 Lynn Watson
Antirrhinum nuttallianum ssp. subsessile
2014 Steve Matson
Antirrhinum nuttallianum ssp. subsessile
2011 Neal Kramer

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2009 Keir Morse

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

APIACEAE

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

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

Aptenia cordifolia    Baby sun rose,  Dew plant
non-native
Perennial herb

AIZOACEAE

Aptenia cordifolia
2007 Louis-M. Landry
Aptenia cordifolia
2005 Luigi Rignanese
Aptenia cordifolia
2001 Tony Morosco

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2008 Neal Kramer
Arbutus menziesii
2015 Susan McDougall
Arbutus menziesii
2019 Phyllis Fitzsimons

Arctostaphylos morroensis    Morro manzanita
native
Shrub

ERICACEAE

Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2014 Neal Kramer
Arctostaphylos morroensis
2020 David Greenberger

Arctostaphylos osoensis    Oso manzanita
native
Shrub

ERICACEAE

Arctostaphylos osoensis
2011 David Graber
Arctostaphylos osoensis
2019 Susan McDougall
Arctostaphylos osoensis
2020 David Greenberger

native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. daciticola
2020 David Greenberger
Arctostaphylos tomentosa ssp. daciticola
2019 Susan McDougall
Arctostaphylos tomentosa ssp. daciticola
2012 John Game

Arctotheca prostrata    prostrate cape weed,  creeping capeweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Arctotheca prostrata
2011 Robert Steers
Arctotheca prostrata
2015 Richard Spellenberg
Arctotheca prostrata
2018 Sarah Inman

Artemisia biennis    Biennial sagewort
non-native
Annual, Perennial herb

ASTERACEAE

Artemisia biennis
2008 Steve Matson
Artemisia biennis
2005 Louis-M. Landry
Artemisia biennis
2005 Louis-M. Landry

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

Arthrocnemum subterminale    Parish's glasswort
native
Perennial herb

CHENOPODIACEAE

Arthrocnemum subterminale
2015 Keir Morse
Arthrocnemum subterminale
2013 Neal Kramer
Arthrocnemum subterminale
2013 Jorg & Mimi FleigeFleige

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2018 michelle peruzzi
Arundo donax
2020 Jennifer Mo

Asphodelus fistulosus    Asphodel,  Onionweed
invasive non-native
Perennial herb

ASPHODELACEAE

Asphodelus fistulosus
2019 Ron Vanderhoff
Asphodelus fistulosus
2019 Ron Vanderhoff
Asphodelus fistulosus
2019 Nicole Leatherman

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

FABACEAE

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

Astragalus 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

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

FABACEAE

Astragalus nuttallii var. virgatus
2012 Aaron Schusteff
Astragalus nuttallii var. virgatus
2010 Neal Kramer
Astragalus nuttallii var. virgatus
2015 Zoya Akulova

Astragalus pomonensis    Pomona milk vetch,  Pomona milkvetch
native
Perennial herb

FABACEAE

Astragalus pomonensis
2017 Keir Morse
Astragalus pomonensis
2015 Richard Spellenberg
Astragalus pomonensis
2017 Diane Etchison

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

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

BRASSICACEAE

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

Atriplex 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

Atriplex watsonii    Matscale,  Watson's saltbush
native
Perennial herb

CHENOPODIACEAE

Atriplex watsonii
2011 Neal Kramer
Atriplex watsonii
2020 Ron Vanderhoff
Atriplex watsonii
2014 Steve Matson

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

POACEAE

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

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

POACEAE

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

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

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

Blitum californicum   


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

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

Bolboschoenus robustus x B. maritimus   


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

Brassica tournefortii    Saharan mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica tournefortii
2005 Michelle Cloud-Hughes
Brassica tournefortii
2018 Jeffrey Black
Brassica tournefortii
2009 Thomas Stoughton

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

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 catharticus var. elatus    Chilean brome
non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. elatus
2006 Steve Matson
Bromus catharticus var. elatus
2006 Steve Matson
Bromus catharticus var. elatus
2006 Steve Matson

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

POACEAE

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

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

POACEAE

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

Bromus maritimus    Maritime brome
native
Perennial grass

POACEAE

Bromus maritimus
2013 Robert Steers/NPS
Bromus maritimus
2012 Thomas Reyes
Bromus maritimus
2008 Lew Stringer

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

POACEAE

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

Bromus vulgaris    Columbia brome,  Common brome
native
Annual grass

POACEAE

Bromus vulgaris
2018 Neal Kramer
Bromus vulgaris
2008 Zoya Akulova
Bromus vulgaris
2018 Neal Kramer

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

Calandrinia breweri    Brewer's calandrinia,  Brewer's redmaids
native
Annual herb

MONTIACEAE

Calandrinia breweri
2018 Neal Kramer
Calandrinia breweri
2018 Michael Mitchell
Calandrinia breweri
2019 Michael Mitchell

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Calibrachoa parviflora    Wild petunia
native
Annual herb

SOLANACEAE

Calibrachoa parviflora
2017 Ron Vanderhoff
Calibrachoa parviflora
2020 Ron Vanderhoff
Calibrachoa parviflora
2014 Keir Morse

Calochortus argillosus    Clay mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus argillosus
2018 Gary McDonald
Calochortus argillosus
2018 Gary McDonald
Calochortus argillosus
2016 Daniel Neal

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

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

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

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 malacophylla ssp. pedicellata    Jepson's morning glory,  Sierra false bindweed
native
Perennial herb

CONVOLVULACEAE

Calystegia malacophylla ssp. pedicellata
2011 Neal Kramer
Calystegia malacophylla ssp. pedicellata
2011 Neal Kramer
Calystegia malacophylla ssp. pedicellata
2003 Lynn Watson

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

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

ONAGRACEAE

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

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

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

BRASSICACEAE

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

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 hirsuta    Hairy bitter cress,  Hairy bittercress
non-native
Annual herb

BRASSICACEAE

Cardamine hirsuta
2007 Dr. Amadej Trnkoczy
Cardamine hirsuta
2008 Gary McDonald
Cardamine hirsuta
2005 Luigi Rignanese

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

Carex barbarae    Santa barbara sedge,  Valley sedge
native
Perennial grasslike herb

CYPERACEAE

Carex barbarae
2020 R.A. Chasey
Carex barbarae
2011 Dylan Neubauer
Carex barbarae
2013 David popp

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 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

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

Carthamus lanatus    Woolly distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus lanatus
2019 Lenihan Mazur
Carthamus lanatus
2019 Danielle Carney
Carthamus lanatus
2008 Eric Wrubel

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

OROBANCHACEAE

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

Castilleja exserta ssp. latifolia    Purple owl's clover,  Wideleaf indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. latifolia
2012 Steven Perry
Castilleja exserta ssp. latifolia
2008 Doreen L. Smith
Castilleja exserta ssp. latifolia
2008 Doreen L. Smith

Ceanothus cuneatus var. fascicularis    Sand buck brush,  Sedgeleaf buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. fascicularis
2020 David Greenberger
Ceanothus cuneatus var. fascicularis
2012 Neal Kramer
Ceanothus cuneatus var. fascicularis
2012 Neal Kramer

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
2019 Susan McDougall
Ceanothus cuneatus var. ramulosus
2014 Robert Sikora
Ceanothus cuneatus var. ramulosus
2019 Susan McDougall

Ceanothus impressus. var. impressus   


Ceanothus papillosus    Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2020 David Greenberger
Ceanothus papillosus
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 cyanus    Batchelor button,  Garden cornflower
non-native
Annual herb

ASTERACEAE

Centaurea cyanus
2020 Joe Engelbrecht
Centaurea cyanus
2009 Neal Kramer
Centaurea cyanus
2011 Louis-M. Landry

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

Centranthus ruber    Jupiter's beard,  Red valerian
non-native
Annual, Perennial herb

VALERIANACEAE

Centranthus ruber
2009 Neal Kramer
Centranthus ruber
2005 Luigi Rignanese
Centranthus ruber
2005 Luigi Rignanese

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

Chenopodiastrum murale   


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 berlandieri    Berlandier's goosefoot,  Pit seed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri
2019 Ron Vanderhoff
Chenopodium berlandieri
2019 Ron Vanderhoff
Chenopodium berlandieri
2019 Ron Vanderhoff

Chenopodium berlandieri var. sinuatum    Pitseed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri var. sinuatum
2014 Ron Vanderhoff
Chenopodium berlandieri var. sinuatum
© 2016 Michael O'Brien
Chenopodium berlandieri var. sinuatum
2019 Ron Vanderhoff

Chenopodium littoreum    Coastal goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium littoreum
2011 Aaron E. Sims
Chenopodium littoreum
2011 CNPS, San Luis Obispo Chapter
Chenopodium littoreum
2015 Aaron E. Sims and CNPS

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

Chlorogalum pomeridianum var. pomeridianum    Common soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
2003 George Jackson
Chlorogalum pomeridianum var. pomeridianum
2018 Karen Scheuermann

Chorizanthe angustifolia    Narrow leaf spineflower,  Narrowleaf spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe angustifolia
2013 John Doyen
Chorizanthe angustifolia
2020 David Greenberger
Chorizanthe angustifolia
2006 Laura Ann Eliassen

Chorizanthe diffusa    Diffuse spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe diffusa
2009 Neal Kramer
Chorizanthe diffusa
2018 ken Hickan
Chorizanthe diffusa
2014 David Wolfson

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 staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

Chorizanthe staticoides
2019 Diane Etchison
Chorizanthe staticoides
2019 Bryant Baker
Chorizanthe staticoides
2019 Ron Vanderhoff

Cicuta maculata var. bolanderi    Saltmarsh water hemlock,  Spotted water hemlock
native
Perennial herb

APIACEAE

Cicuta maculata var. bolanderi
2007 Doreen L. Smith
Cicuta maculata var. bolanderi
2013 Steve Matson
Cicuta maculata var. bolanderi
2013 Steve Matson

Cirsium occidentale var. occidentale    Cobweb thistle,  Cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. occidentale
2018 Ken Hickman
Cirsium occidentale var. occidentale
2009 John W. Wall
Cirsium occidentale var. occidentale
2019 Randy Huey

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

Cistus incanus    Hairy rockrose
non-native
Shrub

CISTACEAE

Cistus incanus
2020 Karen Swift
Cistus incanus
2013 Debra L. Cook
Cistus incanus
2018 Ron Vanderhoff

Clarkia affinis    Chaparral clarkia,  Chaparral fairyfan
native
Annual herb

ONAGRACEAE

Clarkia affinis
2020 Steve Laymon
Clarkia affinis
2019 Ken Hickman
Clarkia affinis
2009 Keir Morse

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

MONTIACEAE

Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald

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

MONTIACEAE

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

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

Conicosia pugioniformis    False ice plant,  Narrow leaved iceplant
invasive non-native
Perennial herb

AIZOACEAE

Conicosia pugioniformis
2019 Michael Chasse
Conicosia pugioniformis
2019 Michael Chasse
Conicosia pugioniformis
2015 Michael Chasse

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

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

Convolvulus simulans    Small flowered morning glory
native
Annual herb

CONVOLVULACEAE

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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 australis    Australian brass buttons,  Australian cotula,  Australian waterbuttons
non-native
Annual herb

ASTERACEAE

Cotula australis
2011 Neal Kramer
Cotula australis
2014 Keir Morse
Cotula australis
2011 Neal Kramer

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 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

Crassula tillaea    Mediterranean pygmy weed,  Moss pygmyweed
non-native
Annual herb

CRASSULACEAE

Crassula tillaea
2019 Ron Vanderhoff
Crassula tillaea
2019 Ron Vanderhoff
Crassula tillaea
2019 Ron Vanderhoff

Crocanthemum scoparium    peak rush-rose,  broom rush-rose
native
Shrub

CISTACEAE

Crocanthemum scoparium
2020 Stacie Wolny
Crocanthemum scoparium
2020 Stacie Wolny
Crocanthemum scoparium
2015 Richard Spellenberg

Croton californicus    California croton,  Desert croton
native
Perennial herb

EUPHORBIACEAE

Croton californicus
2002 Lynn Watson
Croton californicus
2005 Michelle Cloud-Hughes
Croton californicus
2017 Aaron Echols

Crypsis schoenoides    Swamp grass,  Swamp picklegrass,  Swamp pricklegrass
non-native
Annual grass

POACEAE

Crypsis schoenoides
2019 Ron Vanderhoff
Crypsis schoenoides
2017 Ron Vanderhoff
Crypsis schoenoides
2018 Ron Vanderhoff

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

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

BORAGINACEAE

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

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

CONVOLVULACEAE

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

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta pacifica var. pacifica
2012 Robert Sikora
Cuscuta pacifica var. pacifica
2012 Robert Sikora
Cuscuta pacifica var. pacifica
2015 John Doyen

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

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus
2009 Barry Rice
Cynosurus echinatus
2007 Neal Kramer
Cynosurus echinatus
2019 Gary McDonald

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

Cyperus involucratus    Umbrella plant,  Unbrella plant
non-native
Perennial grasslike herb

CYPERACEAE

Cyperus involucratus
2018 Rachelle Gray
Cyperus involucratus
2010 Moorea Biocode
Cyperus involucratus
2018 Rachelle Gray

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

Datura stramonium    Jimson weed,  Jimsonweed
non-native
Annual herb

SOLANACEAE

Datura stramonium
2013 Neal Kramer
Datura stramonium
2004 Joseph Dougherty/ecology.org
Datura stramonium
2013 Neal Kramer

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 fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

Deinandra fasciculata
2013 Keir Morse
Deinandra fasciculata
2003 Michael Charters
Deinandra fasciculata
2017 Steve Matson

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

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

Dendromecon rigida
2019 Eliezer Margolis
Dendromecon rigida
2020 Bryant Baker
Dendromecon rigida
2018 Hunter Breck

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
2009 Adonis (Don) Tate
Deschampsia elongata
2008 Keir Morse
Deschampsia elongata
2008 Keir Morse

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

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

Dimorphotheca ecklonis    Blue & white daisybush
non-native
Perennial herb

ASTERACEAE

Dimorphotheca ecklonis
2009 Neal Kramer
Dimorphotheca ecklonis
2018 David Wolfson
Dimorphotheca ecklonis
2012 Richard Spellenberg

Diplacus aurantiacus var. aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. aurantiacus
2019 Gary McDonald
Diplacus aurantiacus var. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus var. 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

Dipterostemon capitatus ssp. capitatus   


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

Drosanthemum floribundum    Ice plant,  Rosy ice plant,  Showy dewflower
non-native
Perennial herb

AIZOACEAE

Drosanthemum floribundum
2012 Debra L. Cook
Drosanthemum floribundum
2015 John Doyen
Drosanthemum floribundum
2019 Dean Taylor

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. glandulosa
2014 Neal Kramer
Drymocallis glandulosa var. glandulosa
2009 Barry Breckling
Drymocallis glandulosa var. glandulosa
2009 Keir Morse

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. wrangelliana
2020 Mary Conway
Drymocallis glandulosa var. wrangelliana
2012 Robert Sikora
Drymocallis glandulosa var. wrangelliana
2012 Robert Sikora

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

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

Ehrharta calycina    Perennial veldt grass,  Perennial veldtgrass
invasive non-native
Perennial grass

POACEAE

Ehrharta calycina
2013 Dale Ritenour
Ehrharta calycina
2019 Ron Vanderhoff
Ehrharta calycina
2014 Neal Kramer

Ehrharta erecta    Panic veldtgrass,  Upright veldt grass
invasive non-native
Perennial grass

POACEAE

Ehrharta erecta
2012 Margo Bors
Ehrharta erecta
2010 Neal Kramer
Ehrharta erecta
2009 Margo Bors

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 triticoides    Beardless wild rye
native
Perennial grass

POACEAE

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

Emex spinosa    Devil's thorn,  Spiny threecornerjack
invasive non-native
Annual herb

POLYGONACEAE

Emex spinosa
2017 Barbara Boethling
Emex spinosa
2015 Ron Vanderhoff
Emex spinosa
2016 Barbara Boethling

Encelia californica    Bush sunflower,  California brittlebush,  California encelia
native
Shrub

ASTERACEAE

Encelia californica
2020 Aaron Echols
Encelia californica
2016 Yana Marshall
Encelia californica
2018 Ron Vanderhoff: Encelia californica LEFT, E. farinosa RIGHT.

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

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
2008 Keir Morse
Equisetum hyemale ssp. affine
2012 Neal Kramer
Equisetum hyemale ssp. affine
2008 Neal Kramer

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

Equisetum xferrissii    Ferris' horsetail
native
Fern

EQUISETACEAE

Equisetum xferrissii
2018 Gerald Carr
Equisetum xferrissii
2018 Gerald Carr
Equisetum xferrissii
2018 Gerald Carr

native
Perennial herb

POLEMONIACEAE

Eriastrum densifolium ssp. densifolium
2014 Neal Kramer
Eriastrum densifolium ssp. densifolium
2014 Neal Kramer
Eriastrum densifolium ssp. densifolium
2007 Ken Sikes

Ericameria ericoides    California goldenbush,  Mock heather
native
Shrub

ASTERACEAE

Ericameria ericoides
2003 Christopher L. Christie
Ericameria ericoides
Robert Potts 2001 California Academy of Sciences
Ericameria ericoides
2019 Margo Bors

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

ASTERACEAE

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

Erigeron sumatrensis    Tropical horseweed
non-native
Annual herb

ASTERACEAE

Erigeron sumatrensis
2006 Michael Charters
Erigeron sumatrensis
2018 Ron Vanderhoff
Erigeron sumatrensis
2006 Michael Charters

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 gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

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

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

ASTERACEAE

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

Eriophyllum 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 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

Erysimum suffrutescens    Suffrutescent wallflower
native
Perennial herb

BRASSICACEAE

Erysimum suffrutescens
2020 David Greenberger
Erysimum suffrutescens
2013 Debra L. Cook
Erysimum suffrutescens
2011 Aaron Arthur

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

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

BORAGINACEAE

Eucrypta chrysanthemifolia var. chrysanthemifolia
2008 Keir Morse
Eucrypta chrysanthemifolia var. chrysanthemifolia
2008 Keir Morse
Eucrypta chrysanthemifolia var. chrysanthemifolia
2014 Steve Matson

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 peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

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

Euphorbia serpens    Matted sandmat
non-native
Annual herb

EUPHORBIACEAE

Euphorbia serpens
2018 Ron Vanderhoff
Euphorbia serpens
2012 Neal Kramer
Euphorbia serpens
2018 Ron Vanderhoff

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

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
2012 Ron Vanderhoff
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2008 Jennifer Buck

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 microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

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

POACEAE

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

Festuca rubra    Red fescue
native
Perennial grass

POACEAE

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

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 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. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. californicum
2018 Ken Hickman
Galium californicum ssp. californicum
2017 Ken Hickman
Galium californicum ssp. californicum
2015 James Gonsman

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

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

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

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
2004 Michael Charters
Garrya elliptica
2009 Aaron Schusteff
Garrya elliptica
2014 Zoya Akulova

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

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

Gazania linearis    Gazania,  Treasure flower,  Treasureflower
invasive non-native
Perennial herb

ASTERACEAE

Gazania linearis
2016 Barbara Boethling
Gazania linearis
2018 Ron Vanderhoff
Gazania linearis
2018 Ron Vanderhoff

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 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

Hesperomecon linearis    Narrowleaf queen poppy
native
Annual herb

PAPAVERACEAE

Hesperomecon linearis
2013 Aaron Schusteff
Hesperomecon linearis
2018 David Wolfson
Hesperomecon linearis
2005 Christopher L. Christie

Heteranthemis viscidihirta    Sand chrysanthemum
non-native
Annual herb

ASTERACEAE

Heteranthemis viscidihirta
2012 Zoya Akulova
Heteranthemis viscidihirta
2015 Richard Spellenberg
Heteranthemis viscidihirta
2012 Zoya Akulova

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

Heterotheca grandiflora
2001 Jeff Abbas
Heterotheca grandiflora
2014 Robert Sikora
Heterotheca grandiflora
2017 Hilary Mills

Heuchera pilosissima    Alum root,  Seaside alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera pilosissima
2018 Hayley Ross
Heuchera pilosissima
2018 Hayley Ross
Heuchera pilosissima
2007 Neal Kramer

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

BRASSICACEAE

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

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

native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. brachyantherum
2011 Barry Breckling
Hordeum brachyantherum ssp. brachyantherum
2018 Emily Allen
Hordeum brachyantherum ssp. brachyantherum
2015 Steve Matson

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

POACEAE

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

Hordeum marinum subsp gussoneanum   


Hordeum murinum ssp. glaucum    Blue foxtail,  Smooth barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. glaucum
2009 Barry Rice
Hordeum murinum ssp. glaucum
2015 Gary McDonald
Hordeum murinum ssp. glaucum
2015 Gary McDonald

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

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

Horkelia cuneata var. sericea    Kellogg's horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata var. sericea
2018 Neal Kramer
Horkelia cuneata var. sericea
2018 Neal Kramer
Horkelia cuneata var. sericea
2018 Neal Kramer

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

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. 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

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

Juncus breweri    Brewer's rush
native
Perennial grasslike herb

JUNCACEAE

Juncus breweri
2003 Steve Matson
Juncus breweri
2003 Steve Matson
Juncus breweri
2003 Steve Matson

native
Annual grasslike herb

JUNCACEAE

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

Juncus 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 hesperius    Coast or bog rush
native
Perennial grasslike herb

JUNCACEAE

Juncus hesperius
2019 Patrick Furtado
Juncus hesperius
2019 Patrick Furtado
Juncus hesperius
2012 Aaron E. Sims

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

Kickxia elatine    Sharp leaved fluellin,  Sharp point fluellin,  Sharpleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia elatine
2018 Ron Vanderhoff
Kickxia elatine
2020 joaquin hale
Kickxia elatine
2020 joaquin hale

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
2003 Bart and Susan Eisenberg
Koeleria macrantha
2011 RT Hawke
Koeleria macrantha
2020 Julie A. Kierstead

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

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

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

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

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

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 jepsonii var. californicus    California tule pea
native
Perennial herb

FABACEAE

Lathyrus jepsonii var. californicus
2016 Amanda Garcia
Lathyrus jepsonii var. californicus
2011 Steven Perry
Lathyrus jepsonii var. californicus
2007 Neal Kramer

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2019 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2015 Chris Jaster

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

ASTERACEAE

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

Layia hieracioides    Hawkweed layia,  Tall layia,  Tall tidytips
native
Annual herb

ASTERACEAE

Layia hieracioides
2011 Zoya Akulova
Layia hieracioides
2005 Christopher L. Christie
Layia hieracioides
2008 Keir Morse

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

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

Lemna turionifera    Turion duckweed
native
Perennial herb

ARACEAE

Lemna turionifera
2001 James B. Gratiot
Lemna turionifera
2014 Jeff Greenhouse

Lepidium didymum    Lesser swine cress
non-native
Annual herb

BRASSICACEAE

Lepidium didymum
2007 Neal Kramer
Lepidium didymum
2009 Neal Kramer
Lepidium didymum
2016 Ron Vanderhoff

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

Lepidium strictum    Peppergrass,  Prostrate pepper grass,  Upright pepperweed
native
Annual herb

BRASSICACEAE

Lepidium strictum
2019 Neal Kramer
Lepidium strictum
2019 Neal Kramer
Lepidium strictum
2008 Keir Morse

Leptochloa fusca ssp. uninervia    Mexican sprangletop
native
Annual grass

POACEAE

Leptochloa fusca ssp. uninervia
2017 Fred Melgert / Carla Hoegen
Leptochloa fusca ssp. uninervia
2006 Steven Thorsted
Leptochloa fusca ssp. uninervia
2012 James M. Andre

Leptosyne gigantea    Giant coreopsis
native
Shrub

ASTERACEAE

Leptosyne gigantea
2006 Steve Matson
Leptosyne gigantea
2017 David Wolfson
Leptosyne gigantea
2007 Lynn Watson

Limonium californicum    California sealavender,  Marsh rosemary,  Sea lavender
native
Perennial herb

PLUMBAGINACEAE

Limonium californicum
2018 Saskia Raether
Limonium californicum
2010 Jorg Fleige & Mimi Fleige
Limonium californicum
2017 MCOSD EDRR

Limonium duriusculum    European sea lavender
invasive non-native
Perennial herb

PLUMBAGINACEAE

Limonium duriusculum
2016 Ron Vanderhoff
Limonium duriusculum
2016 Ron Vanderhoff
Limonium duriusculum
2018 Ron Vanderhoff L. duriusculum LEFT. L. ramosissimum RIGHT.

Lobularia maritima    Sweet alyssum
invasive non-native
Perennial herb

BRASSICACEAE

Lobularia maritima
2000 Salvatore Zimmitti
Lobularia maritima
2015 Chris Jaster
Lobularia maritima
2017 James Bailey

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

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

APIACEAE

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

Lonicera 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

Lunaria annua    Annual honesty,  Annual moonwort,  Honesty
non-native
Annual, Perennial herb

BRASSICACEAE

Lunaria annua
2011 Steven Perry
Lunaria annua
2011 Steven Perry
Lunaria annua
2007 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 chamissonis    Beach blue lupine,  Chamisso bush lupine,  Dune bush lupine
native
Shrub

FABACEAE

Lupinus chamissonis
2015 Robert Sikora
Lupinus chamissonis
2010 Gary A. Monroe
Lupinus chamissonis
2013 Robert Sikora

Lupinus microcarpus var. densiflorus    Chick lupine,  Dense flowered platycarpos,  Whitewhorl lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. densiflorus
2018 Eliezer Margolis
Lupinus microcarpus var. densiflorus
2007 Neal Kramer
Lupinus microcarpus var. densiflorus
2005 Brent Miller

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

Lupinus truncatus    Blunt leaved lupine,  Collared annual lupine,  Truncate leaf lupine
native
Annual herb

FABACEAE

Lupinus truncatus
2006 Adonis (Don) Tate
Lupinus truncatus
2006 Adonis (Don) Tate
Lupinus truncatus
2008 Keir Morse

Lupinus variicolor    Manycolored lupine,  Varied lupine
native
Shrub

FABACEAE

Lupinus variicolor
2006 Doreen L. Smith
Lupinus variicolor
2016 Zoya Akulova
Lupinus variicolor
2016 Jason Matthias Mills

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

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 exigua    Little tarweed,  Meager tarweed,  Small tarweed
native
Annual herb

ASTERACEAE

Madia exigua
2014 Ron Vanderhoff
Madia exigua
2015 Neal Kramer
Madia exigua
2013 Vernon Smith

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

Mahonia pinnata ssp. pinnata    California barberry,  Coast barberry,  Shiny leaf barberry
native
Shrub

BERBERIDACEAE

Mahonia pinnata ssp. pinnata
2007 Neal Kramer
Mahonia pinnata ssp. pinnata
2019 Susan McDougall
Mahonia pinnata ssp. pinnata
2019 Susan McDougall

Maianthemum racemosum    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum racemosum
2015 Stephen Rosenthal
Maianthemum racemosum
2019 Stacie Wolny
Maianthemum racemosum
2019 Matt Berger

Maianthemum stellatum    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum stellatum
2019 Adam Chasey
Maianthemum stellatum
2020 Jean Anderson
Maianthemum stellatum
2020 Susan McDougall

Malacothrix incana    Dunedelion
native
Perennial herb

ASTERACEAE

Malacothrix incana
2020 David Greenberger
Malacothrix incana
2020 David Greenberger
Malacothrix incana
2012 Chris Winchell

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 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 sativa    Alfalfa
non-native
Perennial herb

FABACEAE

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

Melica californica    California melicgrass
native
Perennial grass

POACEAE

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

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

POACEAE

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

Melilotus 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

Mentha aquatica    Water mint
non-native
Perennial herb

LAMIACEAE

Mentha aquatica
2007 Dr. Amadej Trnkoczy
Mentha aquatica
2014 Robert Sikora
Mentha aquatica
2008 Louis-M. Landry

Mentha spicata    Spearmint
non-native
Perennial herb

LAMIACEAE

Mentha spicata
2008 Keir Morse
Mentha spicata
2015 Barry Breckling
Mentha spicata
2014 Zoya Akulova

Mesembryanthemum nodiflorum    Slender leaved ice plant,  Slenderleaf iceplant,  Small flowered iceplant
invasive non-native
Annual herb

AIZOACEAE

Mesembryanthemum nodiflorum
2017 B.J. Dion
Mesembryanthemum nodiflorum
2010 Gary A. Monroe
Mesembryanthemum nodiflorum
2019 Jennifer Mo

native
Annual herb

LAMIACEAE

Monardella sinuata ssp. sinuata
2020 Melissa Mooney
Monardella sinuata ssp. sinuata
© 2005 Adonis (Don) Tate
Monardella sinuata ssp. sinuata
2017 Keir Morse

native
Perennial herb

LAMIACEAE

Monardella villosa var. subglabra
2012 Terrence Gosliner
Monardella villosa var. subglabra
2019 Marisa Persaud
Monardella villosa var. subglabra
2008 Jorg Fleige

Morella californica    California wax myrtle
native
Shrub

MYRICACEAE

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

Mucronea californica    California spineflower
native
Annual herb

POLYGONACEAE

Mucronea californica
2005 Christopher L. Christie
Mucronea californica
2015 Debra L. Cook
Mucronea californica
2015 Debra L. Cook

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

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

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

Navarretia hamata ssp. parviloba    Hooked navarretia,  Small lobe navarretia
native
Annual herb

POLEMONIACEAE

Navarretia hamata ssp. parviloba
2009 Neal Kramer
Navarretia hamata ssp. parviloba
2018 Mary Conway
Navarretia hamata ssp. parviloba
2018 Adam Chasey

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
2019 Marisa Persaud
Navarretia squarrosa
2019 Patrick Furtado
Navarretia squarrosa
2007 Neal Kramer

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

BORAGINACEAE

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

Nicotiana acuminata var. multiflora    Many flowered tobacco,  Manyflower tobacco,  Tobacco
non-native
Annual herb

SOLANACEAE

Nicotiana acuminata var. multiflora
2009 Keir Morse
Nicotiana acuminata var. multiflora
2013 Neal Kramer
Nicotiana acuminata var. multiflora
2004 James M. Andre

Nuttallanthus texanus    Blue toadflax
native
Annual, Perennial herb

PLANTAGINACEAE

Nuttallanthus texanus
2019 Ron Vanderhoff
Nuttallanthus texanus
2019 Ron Vanderhoff
Nuttallanthus texanus
2015 Reny Parker

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
2019 Stacie Wolny
Oemleria cerasiformis
2019 Peter Warner
Oemleria cerasiformis
2009 Dr. Mark S. Brunell

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

Opuntia ficus-indica    Mission cactus,  Tuna cactus
non-native
Shrub (stem succulent)

CACTACEAE

Opuntia ficus-indica
2007 Neal Kramer
Opuntia ficus-indica
2009 Zoya Akulova
Opuntia ficus-indica
2005 Luigi Rignanese

Opuntia phaeacantha    Brown spined prickly pear,  Mojave prickly pear,  Tulip pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia phaeacantha
2007 Jason E. Willand
Opuntia phaeacantha
2012 Andreas Kettenburg
Opuntia phaeacantha
2004 Charles E. Jones

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

Oxybasis chenopodioides   


Oxybasis macrosperma   


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

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

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

BORAGINACEAE

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

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

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

Pellaea mucronata var. mucronata    Bird's foot fern
native
Fern

PTERIDACEAE

Pellaea mucronata var. mucronata
2018 Rachelle Gray
Pellaea mucronata var. mucronata
2019 Michelle Tollett
Pellaea mucronata var. mucronata
2020 Matt Berger

native
Fern

PTERIDACEAE

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

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 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

Phacelia douglasii var. douglasii    Douglas' phacelia
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Phacelia malvifolia    Stinging phacelia
native
Annual herb

BORAGINACEAE

Phacelia malvifolia
2003 Margo Bors
Phacelia malvifolia
2003 Margo Bors
Phacelia malvifolia
2015 Zoya Akulova

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 brachystachys    Short spike canarygrass,  Shortspike canarygrass
non-native
Annual grass

POACEAE

Phalaris brachystachys
2007 Luigi Rignanese
Phalaris brachystachys
2007 Luigi Rignanese
Phalaris brachystachys
2007 Luigi Rignanese

Phalaris paradoxa    Hood canarygrass
non-native
Annual grass

POACEAE

Phalaris paradoxa
2004 Carol W. Witham
Phalaris paradoxa
2007 Luigi Rignanese
Phalaris paradoxa
2007 Luigi Rignanese

Pholisma arenarium    Desert christmas tree,  Desert pholisma,  Dune food
native
Perennial herb (parasitic)

BORAGINACEAE

Pholisma arenarium
2020 David Greenberger
Pholisma arenarium
2020 David Greenberger
Pholisma arenarium
2019 Matt Berger

Pholistoma auritum var. auritum    Blue fiesta flower,  Blue fiestaflower,  Fiesta flower
native
Annual herb

BORAGINACEAE

Pholistoma auritum var. auritum
2014 James Gonsman
Pholistoma auritum var. auritum
2019 Jennifer Mo
Pholistoma auritum var. auritum
2014 Keir Morse

native
Perennial grass

POACEAE

Phragmites australis ssp. americanus
2013 Ron Vanderhoff
Phragmites australis ssp. americanus
2009 Daniel D Miller
Phragmites australis ssp. americanus
2014 Ron Vanderhoff

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

Pinus radiata    Monterey pine
native
Tree

PINACEAE

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

Piperia michaelii    Michael's piperia,  Michael's rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia michaelii
2019 Benjamin Taylor
Piperia michaelii
2019 stephen rosenthal
Piperia michaelii
2005 Doreen L. Smith

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

BORAGINACEAE

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

Plantago 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 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

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

Plectritis congesta ssp. brachystemon    Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon
2011 Jorg & Mimi Fleige
Plectritis congesta ssp. brachystemon
2013 Al Keuter
Plectritis congesta ssp. brachystemon
2005 Steve Matson

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 pratensis    Kentucky blue grass,  Kentucky bluegrass
invasive non-native
Perennial grass

POACEAE

Poa pratensis
2008 Keir Morse
Poa pratensis
2008 Keir Morse
Poa pratensis
2008 Keir Morse

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 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 ssp. depressum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare ssp. depressum
2016 Barbara Boethling
Polygonum aviculare ssp. depressum
2009 Barry Breckling
Polygonum aviculare ssp. depressum
2014 Richard Chasey

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

Polypodium scouleri    Leather fern,  Leather leaf fern,  Leathery polypody
native
Fern

POLYPODIACEAE

Polypodium scouleri
2006 Trent M. Draper
Polypodium scouleri
2020 Susan McDougall
Polypodium scouleri
2008 Neal Kramer

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 trichocarpa    Black cottonwood
native
Tree

SALICACEAE

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

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

Primula clevelandii var. insulare    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Primula clevelandii var. insulare
2013 Steven M Norris
Primula clevelandii var. insulare
2013 Steven M Norris
Primula clevelandii var. insulare
2013 Steven M Norris

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri
2016 Ray Gill
Prosartes hookeri
2020 Ken Lunders
Prosartes hookeri
2018 Ken Lunders

Prunus fasciculata var. punctata    Desert almond,  Sand almond
native
Shrub

ROSACEAE

Prunus fasciculata var. punctata
2018 Cindy Roessler
Prunus fasciculata var. punctata
2009 Adonis (Don) Tate
Prunus fasciculata var. punctata
2012 Chris Winchell

Prunus ilicifolia var. ilicifolia    Holly leaf cherry,  Holly leaved cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia var. ilicifolia
2018 Debra L. Cook
Prunus ilicifolia var. ilicifolia
2019 Bryant Baker
Prunus ilicifolia var. ilicifolia
2019 Marisa Persaud

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

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
2008 Keir Morse
Quercus berberidifolia
2019 Susan McDougall
Quercus berberidifolia
2019 Susan McDougall

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

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

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

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia
2020 Bryant Baker
Rhus integrifolia
2006 Jennifer Naegele
Rhus integrifolia
2013 Keir Morse

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 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

Ricinus communis    Castor bean,  Castorbean
invasive non-native
Shrub

EUPHORBIACEAE

Ricinus communis
2017 b potts
Ricinus communis
2013 Keir Morse
Ricinus communis
2017 Henry DiRocco

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

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

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
2009 Genevieve K. Walden
Rosa spithamea
2009 Barry Breckling
Rosa spithamea
2012 Aaron Arthur

Rubus parviflorus    Western thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
2018 Chico Hiking Association
Rubus parviflorus
2020 Mary Sue Ittner
Rubus parviflorus
2019 Patrick Furtado

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 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. 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

Salicornia bigelovii    Bigelow's pickleweed,  Dwarf saltwort
native
Annual herb

CHENOPODIACEAE

Salicornia bigelovii
2012 Ron Vanderhoff
Salicornia bigelovii
2012 Ron Vanderhoff
Salicornia bigelovii
2012 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 laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

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

Salsola australis    Russian thistle
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola australis
2001 Jeff Abbas
Salsola australis
2019 Ron Vanderhoff
Salsola australis
2018 Ron Vanderhoff

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

Salvia spathacea
2020 David Wolfson
Salvia spathacea
2020 Abby Nichols
Salvia spathacea
2020 Ron Vanderhoff

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 arguta    Sharp toothed sanicle,  Sharp toothed snakeroot,  Sharptooth blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula arguta
2006 Steve Matson
Sanicula arguta
2009 Robert Steers
Sanicula arguta
2017 Diane Etchison

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 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

Scandix pecten-veneris    Shepherd's needle,  Shepherdsneedle,  Venus' needle
non-native
Annual herb, Vine

APIACEAE

Scandix pecten-veneris
2006 Steve Matson
Scandix pecten-veneris
2018 Stacie Wolny
Scandix pecten-veneris
2018 Stacie Wolny

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

POACEAE

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

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

POACEAE

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

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

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

SCROPHULARIACEAE

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

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
2012 Ron Vanderhoff
Scutellaria tuberosa
2018 Stacie Wolny
Scutellaria tuberosa
2015 David Wolfson

Selaginella bigelovii    Bigelow's moss fern,  Bigelow's spike moss,  Bushy spikemoss
native
Fern (mosslike)

SELAGINELLACEAE

Selaginella bigelovii
2006 Steve Matson
Selaginella bigelovii
2013 Susan McDougall
Selaginella bigelovii
2015 Steven M Norris

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

Senna multiglandulosa    Glandular cassia
non-native
Shrub

FABACEAE

Senna multiglandulosa
2011 Neal Kramer
Senna multiglandulosa
2011 Neal Kramer
Senna multiglandulosa
2011 Neal Kramer

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

Silene laciniata ssp. laciniata    Cardinal catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. laciniata
2013 Debra L. Cook
Silene laciniata ssp. laciniata
2002 Lynn Watson
Silene laciniata ssp. laciniata
2014 Diane Etchison

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

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
2008 Keir Morse
Sisymbrium officinale
2013 Neal Kramer
Sisymbrium officinale
2006 Luigi Rignanese

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

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 nigrum    Black nightshade
non-native
Annual herb

SOLANACEAE

Solanum nigrum
2020 Susan White
Solanum nigrum
2005 Dr. Amadej Trnkoczy
Solanum nigrum
2005 Dr. Amadej Trnkoczy

non-native
Annual herb

SOLANACEAE

Solanum physalifolium var. nitidibaccatum
2013 Neal Kramer
Solanum physalifolium var. nitidibaccatum
2013 Neal Kramer
Solanum physalifolium var. nitidibaccatum
2018 Adonis Tate

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

SOLANACEAE

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

Solidago confinis    Southern goldenrod
native
Perennial herb

ASTERACEAE

Solidago confinis
2003 Christopher L. Christie
Solidago confinis
2014 Neal Kramer
Solidago confinis
2014 Neal Kramer

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

Sparganium eurycarpum var. eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

Sparganium eurycarpum var. eurycarpum
2018 Vernon Smith
Sparganium eurycarpum var. eurycarpum
2007 Neal Kramer
Sparganium eurycarpum var. eurycarpum
2007 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 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

Spergularia villosa    Hairy sand spurrey,  Hairy sandspurry,  Villous sand spurry
non-native
Perennial herb

CARYOPHYLLACEAE

Spergularia villosa
2011 Neal Kramer
Spergularia villosa
2013 Terry Gosliner
Spergularia villosa
2011 Michelle Cloud-Hughes

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

Stellaria pallida    Pale starwort
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria pallida
2008 Keir Morse
Stellaria pallida
2005 Keir Morse
Stellaria pallida
2005 Keir Morse

Stephanomeria elata    Annual mitra,  Santa barbara stephanomeria,  Santa barbara wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria elata
2003 James B. Gratiot
Stephanomeria elata
2018 Julian Geoghegan
Stephanomeria elata
2018 Julian Geoghegan

Stephanomeria exigua ssp. carotifera    White plume stephanomeria,  Whiteplume wirelettuce
native
Perennial herb

ASTERACEAE

Stephanomeria exigua ssp. carotifera
2018 Mary Conway
Stephanomeria exigua ssp. carotifera
2018 Mary Conway
Stephanomeria exigua ssp. carotifera
2018 Mary Conway

Stephanomeria virgata ssp. virgata    Rod wirelettuce,  Tall milk aster,  Virgate stephanomeria
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. virgata
2008 Keir Morse
Stephanomeria virgata ssp. virgata
2008 Keir Morse
Stephanomeria virgata ssp. virgata
2007 Neal Kramer

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 miliacea var. miliacea    Smilo grass
invasive non-native
Perennial grass

POACEAE

Stipa miliacea var. miliacea
2006 Luigi Rignanese
Stipa miliacea var. miliacea
2012 Tom Schweich
Stipa miliacea var. miliacea
2009 Keir Morse

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

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

Suaeda californica    California seablite
native
Shrub

CHENOPODIACEAE

Suaeda californica
2008 Margo Bors
Suaeda californica
2010 Timothy Milliken 2010
Suaeda californica
2019 Diane Etchison

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Ron Vanderhoff
Symphoricarpos mollis
2020 Cara Wilcox
Symphoricarpos mollis
2019 Ron Vanderhoff

Symphyotrichum subspicatum    Douglas aster
native
Annual herb

ASTERACEAE

Symphyotrichum subspicatum
2013 Al Keuter
Symphyotrichum subspicatum
Potts © 2001 California Academy of Sciences
Symphyotrichum subspicatum
2015 jamie smith

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

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 depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

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

Trifolium fragiferum    Strawberry clover
non-native
Perennial herb

FABACEAE

Trifolium fragiferum
2014 Robert Sikora
Trifolium fragiferum
2008 Zoya Akulova
Trifolium fragiferum
2014 Robert Sikora

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

native
Perennial herb (aquatic)

JUNCAGINACEAE

Triglochin concinna var. concinna
2014 Neal Kramer
Triglochin concinna var. concinna
2012 Vernon Smith
Triglochin concinna var. concinna
2014 Neal Kramer

Triodanis biflora    Venus looking glass,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Triodanis biflora
2007 Neal Kramer
Triodanis biflora
2015 Aaron Schusteff
Triodanis biflora
2003 Jim Rocks

Triphysaria eriantha ssp. eriantha    Butter 'n' eggs,  Johnny tuck
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. eriantha
2004 Carol W. Witham
Triphysaria eriantha ssp. eriantha
2020 Susan McDougall
Triphysaria eriantha ssp. eriantha
2020 Susan McDougall

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

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

Turritis glabra
2009 Thomas Stoughton
Turritis glabra
2015 Barry Breckling
Turritis glabra
2012 Zoya Akulova

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

Urtica urens    Annual stinging nettle,  Dwarf nettle
non-native
Annual herb

URTICACEAE

Urtica urens
2019 Gary McDonald
Urtica urens
2018 Ron Vanderhoff
Urtica urens
2018 Ron Vanderhoff

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
2017 James Gonsman
Vaccinium ovatum
2020 Susan McDougall
Vaccinium ovatum
2020 Kim Cabrera

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida
2009 Keir Morse
Verbena lasiostachys var. scabrida
2007 Neal Kramer
Verbena lasiostachys var. scabrida
2018 Julian Geoghegan

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica anagallis-aquatica
2005 Chris Wagner, SBNF
Veronica anagallis-aquatica
2020 Ron Vanderhoff
Veronica anagallis-aquatica
2019 Diane Etchison

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. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
2008 Steve Matson
Vicia sativa ssp. nigra
2008 Steve Matson
Vicia sativa ssp. nigra
2020 Ron Vanderhoff

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. villosa    Hairy vetch,  Winter vetch,  Wooly vetch
invasive non-native
Annual herb, Vine

FABACEAE

Vicia villosa ssp. villosa
2008 Neal Kramer
Vicia villosa ssp. villosa
2019 Ron Vanderhoff
Vicia villosa ssp. villosa
2004 Carol W. Witham

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

Viola pedunculata    California golden violet,  Johnny jump up
native
Perennial herb

VIOLACEAE

Viola pedunculata
2018 James Gonsman
Viola pedunculata
2014 James Gonsman
Viola pedunculata
2019 Ken Hickman

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 strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium
2019 Ron Vanderhoff
Xanthium strumarium
2018 Ron Vanderhoff
Xanthium strumarium
2017 B.J. Dion

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

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

Zostera marina    Eel grass,  Eelgrass,  Seawrack
native
Perennial herb

ZOSTERACEAE

Zostera marina
2006 Doreen L. Smith
Zostera marina
2007 Abe G. Doherty
Zostera marina
2010 Jorg Fleige & Mimi Fleige