logo Calflora Illustrated Plant List 

Cambria San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-10)

Record Detail Nearby Surveys What Grows Here?
426 PLANTS
Acacia longifolia    Sydney golden wattle
non-native
Tree

FABACEAE

Acacia longifolia
2017 MCOSD EDRR
Acacia longifolia
2019 Patrick Furtado
Acacia longifolia
2019 Patrick Furtado

Acacia melanoxylon    Blackwood acacia
invasive non-native
Tree

FABACEAE

Acacia melanoxylon
2008 Neal Kramer
Acacia melanoxylon
2019 Julian Geoghegan
Acacia melanoxylon
2009 Neal Kramer

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

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

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 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

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

ASTERACEAE

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

Agoseris 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

Agoseris hirsuta    Woolly goat chicory
native
Perennial herb

ASTERACEAE

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

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

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

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

POACEAE

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

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

Albizia lophantha    Albizia,  Plume acacia,  Stink bean
invasive non-native
Tree, Shrub

FABACEAE

Albizia lophantha
2002 Dean Wm. Taylor
Albizia lophantha
2008 Neal Kramer
Albizia lophantha
2018 Nicole Leatherman

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

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

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

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

Amsinckia spectabilis var. spectabilis    Seaside fiddleneck
native
Annual herb

BORAGINACEAE

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

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

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

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

OROBANCHACEAE

Aphyllon californicum ssp. grande
2002 Dean Wm. Taylor
Aphyllon californicum ssp. grande
2001 Alison E.L. Colwell
Aphyllon californicum ssp. grande
2011 Chris Winchell

Arceuthobium campylopodum ssp. littorum    Golden mistletoe,  Pine dwarf mistletoe,  Pine mistletoe
native
Perennial herb (parasitic)

VISCACEAE

Arceuthobium campylopodum ssp. littorum
2016 Richard Spjut
Arceuthobium campylopodum ssp. littorum
2019 Talila Golan
Arceuthobium campylopodum ssp. littorum
2009 Keir Morse

Arctostaphylos crustacea ssp. crinita    Crinite manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. crinita
2019 Susan McDougall
Arctostaphylos crustacea ssp. crinita
2019 Susan McDougall
Arctostaphylos crustacea ssp. crinita
2012 Al Keuter

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

ERICACEAE

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

native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
© 2015 Vernon Smith

Arctostaphylos obispoensis    Bishop manzanita,  Serpentine manzanita
native
Shrub

ERICACEAE

Arctostaphylos obispoensis
2019 Susan McDougall
Arctostaphylos obispoensis
1993 David Graber
Arctostaphylos obispoensis
2011 Chris Winchell

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

ERICACEAE

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

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

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

PLUMBAGINACEAE

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

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

ASTERACEAE

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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 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

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

Avena sativa    Common oats,  Cultivated oats,  Wild oat
non-native
Annual, Perennial grass

POACEAE

Avena sativa
2002 Brent Miller
Avena sativa
2006 Louis-M. Landry
Avena sativa
2006 Luigi Rignanese

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

Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

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

Bloomeria humilis    Dwarf goldenstar
native
Perennial herb (bulb)

THEMIDACEAE

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

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

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

ASTERACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

non-native
Annual, Perennial grass

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Cakile 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 menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Calendula officinalis    Pot marigold
non-native
Annual herb

ASTERACEAE

Calendula officinalis
2001 Tony Morosco
Calendula officinalis
2015 Neal Kramer
Calendula officinalis
2005 Louis-M. Landry

Calibrachoa parviflora    Wild petunia
native
Annual herb

SOLANACEAE

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

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

PLANTAGINACEAE

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

Callitriche trochlearis    Effluent water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

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

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

LILIACEAE

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

Calochortus luteus    Yellow mariposa lily
native
Perennial herb

LILIACEAE

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

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 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

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

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 harfordii    Harford's sedge,  Monterey sedge
native
Perennial grasslike herb

CYPERACEAE

Carex harfordii
2006 Steve Matson
Carex harfordii
2009 Neal Kramer
Carex harfordii
2012 Aaron E. Sims

Carex subbracteata    Small bract sedge
native
Perennial grasslike herb

CYPERACEAE

Carex subbracteata
2012 Jake Ruygt
Carex subbracteata
2012 Jake Ruygt
Carex subbracteata
2003 Steve Matson

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
2019 Susan McDougall
Ceanothus cuneatus var. ramulosus
2014 Robert Sikora
Ceanothus cuneatus var. ramulosus
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 melitensis    Maltese star thistle,  Napa star thistle,  Tocalote
invasive non-native
Annual herb

ASTERACEAE

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

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

CARYOPHYLLACEAE

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

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

Chloris gayana    Rhodes grass
non-native
Perennial grass

POACEAE

Chloris gayana
2005 Steve Matson
Chloris gayana
2005 Steve Matson
Chloris gayana
2005 Steve Matson

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

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

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

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

Cirsium occidentale var. compactum    Compact cobwebby thistle
native
Perennial herb

ASTERACEAE

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

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

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

Clarkia prostrata    Prostrate clarkia
native
Annual herb

ONAGRACEAE

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

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

ONAGRACEAE

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

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

MONTIACEAE

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

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

RANUNCULACEAE

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

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

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

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

CONVOLVULACEAE

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

Cornus sericea ssp. sericea    American dogwood,  Creek dogwood,  Red osier dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. sericea
2012 Julie Kierstead Nelson
Cornus sericea ssp. sericea
2006 Richard Spjut
Cornus sericea ssp. sericea
2019 Chico Hiking Association

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

Cotoneaster franchetii    Cotoneaster,  Francheti cotoneaster,  Orange cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster franchetii
2006 Peter Zika
Cotoneaster franchetii
2001 Joe DiTomaso
Cotoneaster franchetii
2006 Peter Zika

Cotoneaster lacteus    Milkflower cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster lacteus
2019 Ron Vanderhoff
Cotoneaster lacteus
2020 Ron Vanderhoff
Cotoneaster lacteus
2019 Ron Vanderhoff

Cotoneaster pannosus    Cotoneaster,  Silverleaf cotoneaster,  Woolly cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster pannosus
2018 Sara Witt
Cotoneaster pannosus
2018 MCOSD EDRR
Cotoneaster pannosus
2006 Peter Zika

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

CRASSULACEAE

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

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

CRASSULACEAE

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

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

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

Cymbalaria muralis    Kenilworth ivy
non-native
Annual, Perennial herb

PLANTAGINACEAE

Cymbalaria muralis
2010 National Park Service
Cymbalaria muralis
2005 Dr. Amadej Trnkoczy
Cymbalaria muralis
2005 Dr. Amadej Trnkoczy

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

POACEAE

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

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

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

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

POACEAE

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

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

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

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

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

Deinandra corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

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

Deinandra fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

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

Delairea odorata    Cape ivy
invasive non-native
Perennial herb

ASTERACEAE

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

native
Perennial herb

RANUNCULACEAE

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

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

POACEAE

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

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

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

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 fullonum    Fuller's teasel,  Fullers' teasel,  Wild teasel
invasive non-native
Perennial herb

DIPSACACEAE

Dipsacus fullonum
2008 Keir Morse
Dipsacus fullonum
2017 Rachel Kesel
Dipsacus fullonum
2017 MCOSD Restoration Crew

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   


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

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 lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

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

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

CRASSULACEAE

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

Dysphania ambrosioides    Mexican tea
non-native
Annual, Perennial herb

CHENOPODIACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

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

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

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

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

POACEAE

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

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

EQUISETACEAE

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

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

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

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

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

Erigeron karvinskianus    Fleabane,  Latin american fleabane
invasive non-native
Perennial herb

ASTERACEAE

Erigeron karvinskianus
2009 Neal Kramer
Erigeron karvinskianus
2009 Neal Kramer
Erigeron karvinskianus
2018 Brian Charles

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

ASTERACEAE

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

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

POLYGONACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

Eriophyllum staechadifolium
2013 James Gonsman
Eriophyllum staechadifolium
2016 Andrew Longman
Eriophyllum staechadifolium
2019 Mary Conway

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

GERANIACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

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

APIACEAE

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

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

PHRYMACEAE

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

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

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

MYRTACEAE

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

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

EUPHORBIACEAE

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

Euphorbia maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

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

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

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

Euphorbia serpens    Matted sandmat
non-native
Annual herb

EUPHORBIACEAE

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

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

Fallopia baldschuanica    Bukhara fleeceflower
non-native
Vine

POLYGONACEAE

Fallopia baldschuanica
2014 Michael Chasse
Fallopia baldschuanica
2016 Michael Chasse
Fallopia baldschuanica
2016 Michael Chasse

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

POACEAE

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

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

Festuca 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

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

non-native
Perennial herb

IRIDACEAE


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

Fuchsia magellanica    Hardy fuchsia
non-native
Shrub

ONAGRACEAE

Fuchsia magellanica
2008 Neal Kramer
Fuchsia magellanica
2000 Joseph Dougherty/ecology.org
Fuchsia magellanica
2008 Neal Kramer

Fumaria officinalis    Drug fumitory
invasive non-native
Annual herb

PAPAVERACEAE

Fumaria officinalis
2010 Denise Kocek
Fumaria officinalis
2007 Luigi Rignanese
Fumaria officinalis
2005 Luigi Rignanese

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

RUBIACEAE

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

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

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

Galium californicum ssp. maritimum    Coastal california bedstraw
native
Perennial herb

RUBIACEAE


Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

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

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

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

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

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

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

POACEAE

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

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

ASTERACEAE

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

Hedera canariensis    Canary ivy,  Algerian ivy
invasive non-native
Vine

ARALIACEAE

Hedera canariensis
2016 Ron Vanderhoff
Hedera canariensis
2001 Tony Morosco
Hedera canariensis
2010 Michael O'Brien

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

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

Heracleum maximum    Common cowparsnip
native
Perennial herb

APIACEAE

Heracleum maximum
2008 Neal Kramer
Heracleum maximum
2018 Julie Kierstead Nelson
Heracleum maximum
2018 Julie Kierstead Nelson

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

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

Heterocodon rariflorum    Few flowered heterocodon,  Rareflower heterocodon,  Western pear flower
native
Annual herb

CAMPANULACEAE

Heterocodon rariflorum
2014 Steve Ashcraft
Heterocodon rariflorum
2017 Ken Hickman
Heterocodon rariflorum
2016 Hunter Breck

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

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 orbicularis    Creeping leather root,  Round leaved psoralea,  Roundleaf leather root
native
Perennial herb

FABACEAE

Hoita orbicularis
2011 Barry Breckling
Hoita orbicularis
2012 Jean Pawek
Hoita orbicularis
2011 Barry Breckling

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

POACEAE

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

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
2018 Chico Hiking Association
Holodiscus discolor
2020 Camille Nowell
Holodiscus discolor
2018 Ron Vanderhoff

Hordeum marinum subsp gussoneanum   


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

POACEAE

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

Hordeum vulgare    Common barley
non-native
Annual grass

POACEAE

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

Horkelia 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. puberula    Mesa horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata var. puberula
2008 Tony Morosco
Horkelia cuneata var. puberula
2008 Tony Morosco
Horkelia cuneata var. puberula
2013 Ron Vanderhoff

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

Hosackia gracilis    Harlequin lotus
native
Perennial herb

FABACEAE

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

Hypericum perforatum    Common st. johnswort,  Klamath weed,  Klamathweed
invasive non-native
Perennial herb

HYPERICACEAE

Hypericum perforatum
2005 Louis-M. Landry
Hypericum perforatum
2008 Keir Morse
Hypericum perforatum
2018 mark kircher

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

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Isoetes howellii    Howell's quillwort,  Quillwort
native
Fern

ISOETACEAE

Isoetes howellii
2007 Neal Kramer
Isoetes howellii
2007 Neal Kramer
Isoetes howellii
2019 Ron Vanderhoff

Isoetes nuttallii    Nuttall's quillwort
native
Fern

ISOETACEAE

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

Isoetes orcuttii    Orcutt's quillwort
native
Fern (aquatic)

ISOETACEAE

Isoetes orcuttii
2012 Steven Perry
Isoetes orcuttii
2004 Carol W. Witham
Isoetes orcuttii
2012 Gary A. Monroe

Isolepis carinata    Keeled bulrush
native
Annual grasslike herb

CYPERACEAE

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

Isolepis cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

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

Juglans hindsii    Northern california black walnut
native
Tree

JUGLANDACEAE

Juglans hindsii
2009 Neal Kramer
Juglans hindsii
2019 David popp
Juglans hindsii
2015 Susan McDougall

Juncus balticus ssp. ater    Baltic rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
2018 Ron Vanderhoff
Juncus balticus ssp. ater
2015 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 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

Kickxia spuria    Fluellin,  Roundleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

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

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

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

FABACEAE

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

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 platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

Lepidium chalepense    Lens-podded hoary cress
invasive non-native
Annual, Perennial herb

BRASSICACEAE

Lepidium chalepense
2000 Joe DiTomaso
Lepidium chalepense
2004 Steve Matson
Lepidium chalepense
2004 Steve Matson

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 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

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 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

Lonicera japonica    Japanese honeysuckle
non-native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera japonica
2009 Neal Kramer
Lonicera japonica
2018 michelle peruzzi
Lonicera japonica
2016 Keir Morse

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

FABACEAE

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

Lupinus 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 latifolius var. latifolius    Broad leaf lupine
native
Perennial herb

FABACEAE

Lupinus latifolius var. latifolius
2009 Thomas Stoughton
Lupinus latifolius var. latifolius
2019 Alice Cummings
Lupinus latifolius var. latifolius
2012 Aaron Arthur

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

Luzula subsessilis    Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

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

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

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

Lysimachia minima    Chaffweed
native
Annual herb

MYRSINACEAE

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

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

LYTHRACEAE

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

Madia 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

Malacothamnus palmeri var. palmeri    Santa lucia bush mallow
native
Shrub

MALVACEAE

Malacothamnus palmeri var. palmeri
2012 Chris Winchell
Malacothamnus palmeri var. palmeri
2017 Keir Morse
Malacothamnus palmeri var. palmeri
2012 Chris Winchell

Malva arborea    Tree mallow
non-native
Shrub

MALVACEAE

Malva arborea
2002 Dean Wm. Taylor
Malva arborea
2015 John Doyen
Malva arborea
2004 Tom Annese

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Medicago arabica    Spotted burclover,  Spotted medick
non-native
Annual herb

FABACEAE

Medicago arabica
2010 Aaron Arthur
Medicago arabica
2012 Neal Kramer
Medicago arabica
2009 Phil Pullen

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

FABACEAE

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

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

POACEAE

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

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

Melissa officinalis    Bee balm,  Common balm,  Lemon balm
non-native
Perennial herb

LAMIACEAE

Melissa officinalis
2001 Tony Morosco
Melissa officinalis
2007 Louis-M. Landry
Melissa officinalis
2001 Tony Morosco

Mentha canadensis    Wild mint
native
Perennial herb

LAMIACEAE

Mentha canadensis
2013 Aaron Arthur
Mentha canadensis
2018 joaquin hale
Mentha canadensis
2015 Barry Breckling

Mercurialis ambigua   


Microseris bigelovii    Coast microseris,  Coastal silverpuffs
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

Microseris douglasii ssp. tenella
2011 Zoya Akulova
Microseris douglasii ssp. tenella
2004 Carol W. Witham
Microseris douglasii ssp. tenella
2004 Carol W. Witham

Monardella subglabra    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella subglabra
2012 Terrence Gosliner
Monardella subglabra
2019 Marisa Persaud
Monardella subglabra
2008 Jorg Fleige

Monardella villosa ssp. obispoensis    San luis obispo coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa ssp. obispoensis
2011 Chris Winchell
Monardella villosa ssp. obispoensis
2011 Chris Winchell
Monardella villosa ssp. obispoensis
2011 Chris Winchell

Monolopia gracilens    Woodland monolopia
native
Annual herb

ASTERACEAE

Monolopia gracilens
2007 Neal Kramer
Monolopia gracilens
2020 R.A. Chasey
Monolopia gracilens
2018 Rudyard Wallen

Montia fontana    Annual water minerslettuce,  Water chickweed,  Water montia
native
Annual herb

MONTIACEAE

Montia fontana
2008 Keir Morse
Montia fontana
2009 Keir Morse
Montia fontana
2009 Keir Morse

Morella californica    California wax myrtle
native
Shrub

MYRICACEAE

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

Myosotis latifolia    Broadleaf forget me not,  Forget me not,  Wide leaved forget me not
invasive non-native
Perennial herb

BORAGINACEAE

Myosotis latifolia
2019 Cynthia Powell
Myosotis latifolia
2018 Tim Lewis
Myosotis latifolia
2018 MCOSD EDRR

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

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

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

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

ONAGRACEAE

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

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

OXALIDACEAE

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

Oxalis laxa    Dwarf woodsorrel
non-native
Annual herb

OXALIDACEAE

Oxalis laxa
1995 Saint Mary's College of California
Oxalis laxa
2019 Talila Golan
Oxalis laxa
1995 Saint Mary's College of California

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

Oxalis purpurea    Purple oxalis,  Purple woodsorrel
non-native
Perennial herb

OXALIDACEAE

Oxalis purpurea
2006 Bob Huettmann
Oxalis purpurea
2013 Zoya Akulova
Oxalis purpurea
2012 Dean Wm. Taylor, Ph.D.

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Panicum acuminatum    Western panicgrass,  Western panicum,  Western witch grass
native
Perennial grass

POACEAE

Panicum acuminatum
2004 Laura Ann Eliassen
Panicum acuminatum
2009 Julie Kierstead Nelson
Panicum acuminatum
2001 Julie Kierstead Nelson

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

invasive non-native
Vine

PASSIFLORACEAE

Passiflora tarminiana
2012 Barry Rice
Passiflora tarminiana
2012 Barry Rice
Passiflora tarminiana
2012 Barry Rice

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

GERANIACEAE

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

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

APIACEAE

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

Persicaria amphibia    Water smartweed
native
Perennial herb (aquatic)

POLYGONACEAE

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

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

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

Phacelia imbricata ssp. imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata ssp. imbricata
2008 Neal Kramer
Phacelia imbricata ssp. imbricata
2020 R.A. Chasey
Phacelia imbricata ssp. imbricata
2014 James Gonsman

Phacelia nemoralis ssp. nemoralis    Woods phacelia
native
Perennial herb

BORAGINACEAE

Phacelia nemoralis ssp. nemoralis
2014 Genevieve K. Walden
Phacelia nemoralis ssp. nemoralis
© 2014 Aaron Schusteff
Phacelia nemoralis ssp. nemoralis
2014 Genevieve K. Walden

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

POACEAE

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

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

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

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

VERBENACEAE

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

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

ZOSTERACEAE

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

Pinus radiata    Monterey pine
native
Tree

PINACEAE

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

Piperia elongata    Dense flowered rein orchid,  Denseflower rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elongata
2009 Keir Morse
Piperia elongata
2008 Keir Morse
Piperia elongata
2007 Chris Winchell

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

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

PITTOSPORACEAE

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

Plagiobothrys trachycarpus    Rough fruited allocarya,  Roughfruit popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys trachycarpus
2012 Neal Kramer
Plagiobothrys trachycarpus
2012 Neal Kramer
Plagiobothrys trachycarpus
2012 Neal Kramer

Plagiobothrys undulatus    Coast allocarya
native
Annual herb

BORAGINACEAE

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

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

Plantago 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

Plecostachys serpyllifolia    Petite-licorice
invasive non-native

ASTERACEAE

Plecostachys serpyllifolia
2012 Ron Vanderhoff
Plecostachys serpyllifolia
2018 Ron Vanderhoff
Plecostachys serpyllifolia
2018 Ron Vanderhoff

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

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

CARYOPHYLLACEAE

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

Polygonum aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

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

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

Polypodium calirhiza    Acrid fern,  Licorice fern,  Nested polypody
native
Fern

POLYPODIACEAE

Polypodium calirhiza
2008 Keir Morse
Polypodium calirhiza
2018 David popp
Polypodium calirhiza
2018 Cynthia Powell

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

non-native
Perennial herb

ROSACEAE

Poterium sanguisorba var. polygamum
2011 Aaron Arthur
Poterium sanguisorba var. polygamum
2011 Barry Breckling
Poterium sanguisorba var. polygamum
2010 Barry Breckling

Primula clevelandi   


Prunus cerasifera    Cherry plum
invasive non-native
Tree

ROSACEAE

Prunus cerasifera
2008 Keir Morse
Prunus cerasifera
2002 James B. Gratiot
Prunus cerasifera
2002 James B. Gratiot

native
Perennial herb

ASTERACEAE

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

Pseudognaphalium biolettii    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

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

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

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

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

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

Pseudognaphalium 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

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 parvula var. parvula    Santa cruz island oak
native
Tree

FAGACEAE

Quercus parvula var. parvula
2006 Adonis (Don) Tate
Quercus parvula var. parvula
2006 Adonis (Don) Tate
Quercus parvula var. parvula
2006 Adonis (Don) Tate

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

Rhaponticum repens   


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

GROSSULARIACEAE

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

Ribes menziesii var. menziesii    Canyon gooseberry
native
Shrub

GROSSULARIACEAE

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

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

GROSSULARIACEAE

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

Ribes sericeum    Santa lucia gooseberry
native
Shrub

GROSSULARIACEAE

Ribes sericeum
2012 Robert Hotaling
Ribes sericeum
2004 Dean Wm. Taylor

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

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 pinetorum    Pine rose
native
Shrub

ROSACEAE

Rosa pinetorum
2015 Dean Wm. Taylor
Rosa pinetorum
Beatrice F. Howitt 1999 California Academy of Sciences
Rosa pinetorum
F. Howitt © 1999 California Academy of Sciences

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 armeniacus    Himalayan blackberry
invasive non-native
Shrub

ROSACEAE

Rubus armeniacus
2002 George W. Hartwell
Rubus armeniacus
2008 Keir Morse
Rubus armeniacus
2018 Richard Spjut

Rubus ulmifolius var. anoplothyrsus    Elm leaf bramble
non-native
Vine, Shrub

ROSACEAE

Rubus ulmifolius var. anoplothyrsus
2012 Al Keuter
Rubus ulmifolius var. anoplothyrsus
2018 Larry Klaasen
Rubus ulmifolius var. anoplothyrsus
2012 Al Keuter

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

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

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

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

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
2007 Neal Kramer
Rumex kerneri
2011 Neal Kramer

Rumex 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

Salix lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix sitchensis    Coulter willow,  Sitka willow
native
Tree, Shrub

SALICACEAE

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

Salvia 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

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

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Sidalcea diploscypha    Fringed checker mallow,  Fringed checkerbloom,  Fringed sidalcea
native
Annual herb

MALVACEAE

Sidalcea diploscypha
2018 Hayley Ross
Sidalcea diploscypha
2015 James Gonsman
Sidalcea diploscypha
2019 Paul Aigner

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

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

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 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

Soleirolia soleirolii    Baby's tears,  Mother of thousands
non-native
Annual herb

URTICACEAE

Soleirolia soleirolii
2001 Tony Morosco
Soleirolia soleirolii
2011 Dean Wm. Taylor, Ph.D.
Soleirolia soleirolii
2018 Larry Blakely

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

Sparaxis bulbifera   


Sparganium eurycarpum    Broadfruit bur reed
native
Perennial herb

TYPHACEAE

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

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

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

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

CARYOPHYLLACEAE

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

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

CARYOPHYLLACEAE

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

Spergularia 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

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

ORCHIDACEAE

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

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

LAMIACEAE

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

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

LAMIACEAE

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

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

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

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

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

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 chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

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

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
invasive non-native
Perennial herb

ASTERACEAE

Taraxacum officinale
2001 Nick Kurzenko
Taraxacum officinale
2018 Chico Hiking Association
Taraxacum officinale
2019 Diane Etchison

Taraxia ovata    Sun cup,  Goldeneggs
native
Perennial herb

ONAGRACEAE

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

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
2009 Keir Morse

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 barbigerum    Bearded clover
native
Annual herb

FABACEAE

Trifolium barbigerum
2011 Dylan Neubauer
Trifolium barbigerum
2012 Al Keuter
Trifolium barbigerum
2002 Dean Wm. Taylor

Trifolium bifidum var. bifidum    Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum var. bifidum
2013 Zoya Akulova
Trifolium bifidum var. bifidum
2020 Matt Berger
Trifolium bifidum var. bifidum
2009 Aaron Schusteff

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

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

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

FABACEAE

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

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

FABACEAE

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

Trifolium dubium    Shamrock clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
2008 Jorg Fleige
Trifolium dubium
2004 Carol W. Witham
Trifolium dubium
2015 Barry Breckling

Trifolium fucatum    Bull clover,  Sour clover
native
Annual herb

FABACEAE

Trifolium fucatum
2019 James Gonsman
Trifolium fucatum
2019 Paul Aigner
Trifolium fucatum
2019 James Gonsman

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

FABACEAE

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

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

FABACEAE

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

Trifolium pratense    Red clover
non-native
Perennial herb

FABACEAE

Trifolium pratense
Nick Kurzenko
Trifolium pratense
2007 Louis-M. Landry
Trifolium pratense
2014 Monty Rickard

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

FABACEAE

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

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

FABACEAE

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Triglochin scilloides    Flowering-quillwort
native
Annual herb (aquatic)

JUNCAGINACEAE

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

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

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

TROPAEOLACEAE

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

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

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

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

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

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

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

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

Veronica catenata    Chain speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica catenata
2009 Keir Morse
Veronica catenata
2009 Keir Morse
Veronica catenata
2013 Aaron Schusteff

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

FABACEAE

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

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

FABACEAE

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

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

APOCYNACEAE

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

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

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

ASTERACEAE

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

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

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

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

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