logo Calflora Illustrated Plant List 

Red Hills
Sierra Nevada foothills

Tuolumne County

Davilla, B.; Clifton, G.; Taylor D.  / G.F. Hrusa checklists  (1984-01-01)

Record Detail Nearby Surveys What Grows Here?
331 PLANTS
Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

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

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
2008 Thomas Stoughton
Adenostoma fasciculatum
2017 Aaron Echols
Adenostoma fasciculatum
2014 Garth Wadsworth

Aegilops triuncialis    Barbed goatgrass
invasive non-native
Annual grass

POACEAE

Aegilops triuncialis
2019 Jim Xerogeanes
Aegilops triuncialis
2001 Joe DiTomaso
Aegilops triuncialis
2019 Paul Aigner

Agoseris heterophylla    Annual agoseris,  Annual mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla
2019 Chico Hiking Association
Agoseris heterophylla
2009 Keir Morse
Agoseris heterophylla
2019 John Rawlings

Agrostis exarata var. monolepis    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata var. monolepis
2008 Keir Morse
Agrostis exarata var. monolepis
2009 Zoya Akulova
Agrostis exarata var. monolepis
2018 Neal Kramer

Agrostis microphylla    Little leaf bentgrass,  Small leaf bentgrass,  Small leaved bentgrass
native
Annual grass

POACEAE

Agrostis microphylla
1998 Dean Wm. Taylor
Agrostis microphylla
2005 Steve Matson
Agrostis microphylla
2005 Steve Matson

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

POACEAE

Agrostis stolonifera
2008 Keir Morse
Agrostis stolonifera
2009 Barry Rice
Agrostis stolonifera
2018 Zoya Akulova

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

SIMAROUBACEAE

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

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

POACEAE

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

Alisma plantago-aquatica    Northern water plantain
native
Perennial herb (aquatic)

ALISMATACEAE

Alisma plantago-aquatica
2019 Gena Bentall
Alisma plantago-aquatica
2007 Neal Kramer
Alisma plantago-aquatica
2016 Cynthia Powell

Allium cratericola    Cascade onion
native
Perennial herb (bulb)

ALLIACEAE

Allium cratericola
2010 Ron Wolf
Allium cratericola
2008 George W. Hartwell
Allium cratericola
2010 Ron Wolf

Allium peninsulare    Mexicali onion
native
Perennial herb (bulb)

ALLIACEAE

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

Allium tuolumnense    Rawhide hill onion
native
Perennial herb (bulb)

ALLIACEAE

Allium tuolumnense
2018 Ruth Ann Pearsons
Allium tuolumnense
2010 Steven Perry
Allium tuolumnense
2016 Patrick Congdon

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

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

Amaranthus blitoides    Mat amaranth,  Prostrate amaranth,  Prostrate pigweed
native
Annual herb

AMARANTHACEAE

Amaranthus blitoides
2005 Luigi Rignanese
Amaranthus blitoides
2009 Neal Kramer
Amaranthus blitoides
2015 Zoya Akulova

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
2017 B.J. Dion
Anagallis arvensis
2009 Keir Morse
Anagallis arvensis
2018 stephen rosenthal

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

native
Annual herb

PLANTAGINACEAE

Antirrhinum vexillo-calyculatum ssp. breweri
2011 John W. Wall
Antirrhinum vexillo-calyculatum ssp. breweri
2017 Michelle Bosch
Antirrhinum vexillo-calyculatum ssp. breweri
2019 Ken Hickman

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

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

VISCACEAE

Arceuthobium campylopodum
2009 Neal Kramer
Arceuthobium campylopodum
2009 Keir Morse
Arceuthobium campylopodum
2009 Neal Kramer

native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. manzanita
2015 James Gonsman
Arctostaphylos manzanita ssp. manzanita
2018 Adam Chasey
Arctostaphylos manzanita ssp. manzanita
2019 R.A. Chasey

Arctostaphylos viscida ssp. mariposa    Mariposa manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. mariposa
2009 Barry Breckling
Arctostaphylos viscida ssp. mariposa
2008 Chris Winchell
Arctostaphylos viscida ssp. mariposa
2019 Cynthia Powell

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

APOCYNACEAE

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

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

FABACEAE

Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2015 John Doyen

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

Blennosperma nanum    Common stickyseed,  Yellow carpet
native
Annual herb

ASTERACEAE

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

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

POACEAE

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

Brodiaea elegans    Harvest brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea elegans
2019 Joe Engelbrecht
Brodiaea elegans
2014 Dee Warenycia
Brodiaea elegans
2014 Dee Warenycia

Bromus arizonicus    Arizona brome
native
Annual grass

POACEAE

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

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

POACEAE

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

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

non-native
Annual grass

POACEAE

Bromus madritensis ssp. madritensis
2005 Steve Matson
Bromus madritensis ssp. madritensis
2012 Robert Steers
Bromus madritensis ssp. madritensis
2007 David L. Magney

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

POACEAE

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

Bromus sterilis    Poverty brome,  Sterile brome
non-native
Annual grass

POACEAE

Bromus sterilis
2008 Keir Morse
Bromus sterilis
2008 Keir Morse
Bromus sterilis
2005 Steve Matson

Calandrinia ciliata    Red maids
native
Annual herb

MONTIACEAE

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

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

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2018 Nancy Poss
Calochortus albus
2019 Cynthia Powell

Calochortus invenustus    Plain mariposa lily
native
Perennial herb

LILIACEAE

Calochortus invenustus
2012 Ron Vanderhoff
Calochortus invenustus
2012 Ron Vanderhoff
Calochortus invenustus
2018 Diane Etchison

Calochortus superbus    Yellow mariposa
native
Perennial herb

LILIACEAE

Calochortus superbus
2017 Eric Schmidt
Calochortus superbus
2018 Cynthia Griffin
Calochortus superbus
2019 Julie Kierstead Nelson

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

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

Calycadenia mollis    Soft calycadenia,  Soft western rosinweed
native
Annual herb

ASTERACEAE

Calycadenia mollis
2014 Debra L. Cook
Calycadenia mollis
2009 Neal Kramer
Calycadenia mollis
2010 Barry Breckling

Calycadenia multiglandulosa    Rosin weed,  Sticky calycadenia,  Sticky western rosinweed
native
Annual herb

ASTERACEAE

Calycadenia multiglandulosa
2018 Alice Cummings
Calycadenia multiglandulosa
2019 Adam Chasey
Calycadenia multiglandulosa
2019 R.A. Chasey

Calycadenia truncata    Rosin weed
native
Annual herb

ASTERACEAE

Calycadenia truncata
2019 Chico Hiking Association
Calycadenia truncata
2016 Steve Matson
Calycadenia truncata
2019 Matt Berger

Calycanthus occidentalis    Spicebush,  Sweet shrub
native
Shrub

CALYCANTHACEAE

Calycanthus occidentalis
2006 Matt Below
Calycanthus occidentalis
2019 Sue Graue
Calycanthus occidentalis
2019 Robert Nance

Calystegia occidentalis ssp. fulcrata    Chaparral false bindweed,  Sonora morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia occidentalis ssp. fulcrata
2011 Aaron Arthur
Calystegia occidentalis ssp. fulcrata
2014 Jean Pawek
Calystegia occidentalis ssp. fulcrata
2014 Jean Pawek

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

BRASSICACEAE

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

Cardamine 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

Carex densa    Dense sedge,  Sedge
native
Perennial grasslike herb

CYPERACEAE

Carex densa
2002 Dean Wm. Taylor
Carex densa
2008 Dean Wm. Taylor, Ph.D.
Carex densa
2008 Dean Wm. Taylor, Ph.D.

Carex nudata    Dudley's sedge,  Naked sedge,  Torrent sedge
native
Perennial grasslike herb

CYPERACEAE

Carex nudata
2002 Dean Wm. Taylor
Carex nudata
2008 Keir Morse
Carex nudata
2004 Julie Kierstead Nelson

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

CYPERACEAE

Carex praegracilis
2008 Steve Matson
Carex praegracilis
2008 Steve Matson
Carex praegracilis
2003 Steve Matson

Carex serratodens    Bifid sedge,  Two tooth sedge
native
Perennial grasslike herb

CYPERACEAE

Carex serratodens
2009 Neal Kramer
Carex serratodens
2019 Julie Kierstead Nelson
Carex serratodens
2016 Julie Kierstead Nelson

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

CYPERACEAE

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

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja applegatei    Pine indian paintbrush,  Wavy leaf paintbrush,  Wavy leaved paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja applegatei
2019 Diane Etchison
Castilleja applegatei
2019 Diane Etchison
Castilleja applegatei
2019 Chico Hiking Association

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

OROBANCHACEAE

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

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja minor ssp. spiralis    Lesser indian paintbrush,  Lesser paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja minor ssp. spiralis
2019 Ron Vanderhoff
Castilleja minor ssp. spiralis
2017 Diane Etchison
Castilleja minor ssp. spiralis
2017 Adam Chasey

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

OROBANCHACEAE

Castilleja subinclusa
2010 Larry Beckerman
Castilleja subinclusa
2013 Neal Kramer
Castilleja subinclusa
2019 David popp

Ceanothus cuneatus    Buck brush,  Wedgeleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus cuneatus
2006 Doreen L. Smith
Ceanothus cuneatus
2018 Richard Spjut
Ceanothus cuneatus
2019 Julie Kierstead Nelson

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

ASTERACEAE

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

Centaurium venustum    Charming centaury
native
Annual herb

GENTIANACEAE

Centaurium venustum
2019 Diane Etchison
Centaurium venustum
2019 Robin Street-Morris
Centaurium venustum
2017 Alison Sheehey

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

Ceratophyllum demersum    Coon's tail,  Hornwort
native
Perennial herb

CERATOPHYLLACEAE

Ceratophyllum demersum
2008 Neal Kramer
Ceratophyllum demersum
2013 Ron Vanderhoff
Ceratophyllum demersum
2008 Neal Kramer

Chaenactis glabriuscula    Common yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula
2019 Matt Berger
Chaenactis glabriuscula
2019 Ron Vanderhoff
Chaenactis glabriuscula
2005 Christopher L. Christie

Chamaesyce ocellata    Contura creek spurge
native
Annual herb

EUPHORBIACEAE

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

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

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

Chlorogalum grandiflorum    Red hills soap plant,  Red hills soaproot
native
Perennial herb (bulb)

AGAVACEAE

Chlorogalum grandiflorum
2004 George W. Hartwell
Chlorogalum grandiflorum
2004 George W. Hartwell
Chlorogalum grandiflorum
2002 Steve Tyron

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
2019 Patrick Furtado
Chlorogalum pomeridianum
2018 Karen Scheuermann
Chlorogalum pomeridianum
2019 Diane Etchison

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

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

Chorizanthe polygonoides    Knotweed spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe polygonoides
2009 Neal Kramer
Chorizanthe polygonoides
2019 Adam Chasey
Chorizanthe polygonoides
2010 Benjamin Smith

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 occidentale var. californicum    Bigelow thistle,  California thistle,  Cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. californicum
2014 James Gonsman
Cirsium occidentale var. californicum
2013 James Gonsman
Cirsium occidentale var. californicum
2008 Thomas Stoughton

Clarkia arcuata    Glandular clarkia,  Glandular fairyfan
native
Annual herb

ONAGRACEAE

Clarkia arcuata
2019 Chico Hiking Association
Clarkia arcuata
2018 Chico Hiking Association
Clarkia arcuata
2019 Steve Laymon

Clarkia biloba ssp. biloba    Two lobed clarkia,  Twolobe clarkia
native
Annual herb

ONAGRACEAE

Clarkia biloba ssp. biloba
2008 Zoya Akulova
Clarkia biloba ssp. biloba
2015 Richard Spellenberg
Clarkia biloba ssp. biloba
1982 Dean Wm. Taylor

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

ONAGRACEAE

Clarkia purpurea ssp. purpurea
2007 Neal Kramer
Clarkia purpurea ssp. purpurea
2019 David popp
Clarkia purpurea ssp. purpurea
2011 Dylan Neubauer

Clarkia williamsonii    Fort Miller clarkia,  Fort Miller fairyfan
native
Annual herb

ONAGRACEAE

Clarkia williamsonii
2009 Neal Kramer
Clarkia williamsonii
2009 Neal Kramer
Clarkia williamsonii
2009 Keir Morse

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

MONTIACEAE

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

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

MONTIACEAE

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

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2018 Stacie Wolny
Clematis lasiantha
2019 Matt Berger
Clematis lasiantha
2016 Anna Wolfe

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

PLANTAGINACEAE

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

Collinsia sparsiflora var. sparsiflora    Few flowered collinsia,  Spinster's blue eyed mary
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. sparsiflora
2007 Dianne Fristrom
Collinsia sparsiflora var. sparsiflora
2009 Neal Kramer
Collinsia sparsiflora var. sparsiflora
2015 John Doyen

Collinsia tinctoria    Sticky chinese houses,  Tincture plant
native
Annual herb

PLANTAGINACEAE

Collinsia tinctoria
2005 Christopher L. Christie
Collinsia tinctoria
2019 Chico Hiking Association
Collinsia tinctoria
2018 Matt Berger

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

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

Cordylanthus tenuis ssp. tenuis    Slender bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus tenuis ssp. tenuis
2009 Keir Morse
Cordylanthus tenuis ssp. tenuis
2010 Barry Breckling
Cordylanthus tenuis ssp. tenuis
2012 Debra L. Cook

Coreopsis stillmanii    Stillman's coreopsis
native
Annual herb

ASTERACEAE

Coreopsis stillmanii
2009 Barry Breckling
Coreopsis stillmanii
2015 John Doyen
Coreopsis stillmanii
2011 Aaron Schusteff

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

ASTERACEAE

Cotula australis
2011 Neal Kramer
Cotula australis
2011 Neal Kramer
Cotula australis
2011 Zoya Akulova

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

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

BORAGINACEAE

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

Cryptantha intermedia    Clearwater cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha mariposae    Mariposa cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha mariposae
2010 Robin Kent
Cryptantha mariposae
2011 Steve Matson
Cryptantha mariposae
2013 Jean Pawek

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

BORAGINACEAE

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

Cryptantha rostellata    Beaked cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha rostellata
2018 Gerald Carr
Cryptantha rostellata
2018 Gerald Carr
Cryptantha rostellata
2018 Gerald Carr

Cuscuta sp.   


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

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

Delphinium hansenii    Eldorado larkspur,  Hansen's larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium hansenii
2005 Christopher L. Christie
Delphinium hansenii
2011 Jean Pawek
Delphinium hansenii
2013 Jean Pawek

Delphinium hesperium    Foothill larkspur,  Western larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium hesperium
2007 Neal Kramer
Delphinium hesperium
2009 Barry Breckling
Delphinium hesperium
2015 John Doyen

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

Dichelostemma capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

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

Dichelostemma multiflorum    Many flowered brodiaea,  Manyflower brodiaea,  Roundtooth snakelily
native
Perennial herb

THEMIDACEAE

Dichelostemma multiflorum
2019 David popp
Dichelostemma multiflorum
2019 David popp
Dichelostemma multiflorum
2019 Julie Kierstead Nelson

Dodecatheon hendersonii    Mosquito bill
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii
2019 Patrick Furtado
Dodecatheon hendersonii
2017 John Game
Dodecatheon hendersonii
2008 Keir Morse

Draba verna    Spring draba,  Whitlow grass,  Whitlowgrass
non-native
Annual herb

BRASSICACEAE

Draba verna
2008 Keir Morse
Draba verna
2011 Steve Matson
Draba verna
2003 Steve Matson

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

CRASSULACEAE

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

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

CYPERACEAE

Eleocharis macrostachya
2004 Carol W. Witham
Eleocharis macrostachya
2009 Keir Morse
Eleocharis macrostachya
2007 Neal Kramer

Eleocharis rostellata    Beaked spikerush,  Walking sedge
native
Perennial grasslike herb

CYPERACEAE

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

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

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

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

ONAGRACEAE

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

Epilobium minutum    Chaparral willowherb,  Desert willow herb,  Little willowherb
native
Annual herb

ONAGRACEAE

Epilobium minutum
2009 Keir Morse
Epilobium minutum
2019 Julian Geoghegan
Epilobium minutum
2015 Chris Jaster

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Debra L. Cook

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon californicum
2011 John W. Wall
Eriodictyon californicum
2009 Gary A. Monroe
Eriodictyon californicum
2018 Chico Hiking Association

Eriogonum nudum var. nudum    Naked buckwheat,  Naked stemmed eriogonum,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum var. nudum
2014 James Gonsman
Eriogonum nudum var. nudum
2014 James Gonsman
Eriogonum nudum var. nudum
2019 Chico Hiking Association

Eriogonum nudum var. pubiflorum    Hairy flowered buckwheat,  Naked buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum nudum var. pubiflorum
2009 Keir Morse
Eriogonum nudum var. pubiflorum
2009 Keir Morse
Eriogonum nudum var. pubiflorum
2010 Gary A. Monroe

Eriogonum tripodum    Tripod buckwheat
native
Shrub

POLYGONACEAE

Eriogonum tripodum
2017 Adam Chasey
Eriogonum tripodum
2008 Steven Perry
Eriogonum tripodum
2019 Paul Aigner

Eriogonum vimineum    Wicker buckwheat,  Wicker stemmed eriogonum,  Wickerstem buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum vimineum
2019 David Greenberger
Eriogonum vimineum
2006 David McClurg
Eriogonum vimineum
2008 Keir Morse

Eriophyllum lanatum var. grandiflorum    Common woolly sunflower,  Large flowered woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum lanatum var. grandiflorum
2011 Steven Perry
Eriophyllum lanatum var. grandiflorum
2015 Neal Kramer
Eriophyllum lanatum var. grandiflorum
2015 John Doyen

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

GERANIACEAE

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

Eschscholzia caespitosa    Foothill poppy,  Tufted eschscholzia,  Tufted poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

Eschscholzia lobbii    Frying pans,  Fryingpans
native
Annual herb

PAPAVERACEAE

Eschscholzia lobbii
2001 George W. Hartwell
Eschscholzia lobbii
2007 Neal Kramer
Eschscholzia lobbii
2019 Matt Berger

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

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

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
2017 Robert Steers
Filago californica
2019 Matt Berger
Filago californica
2015 Diane Etchison

Filago gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

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

RUBIACEAE

Galium aparine
2008 Gary McDonald
Galium aparine
2004 Carol W. Witham
Galium aparine
2002 Lynn Watson

Galium bolanderi    Bolander galium,  Bolander's bedstraw
native
Perennial herb

RUBIACEAE

Galium bolanderi
2008 Neal Kramer
Galium bolanderi
2015 John Doyen
Galium bolanderi
2011 Steve Matson

Galium murale    Tiny bedstraw,  Yellow wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium murale
2011 Zoya Akulova
Galium murale
2005 Keir Morse
Galium murale
2012 Neal Kramer

Galium porrigens var. tenue    Graceful bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens var. tenue
2009 Barry Breckling
Galium porrigens var. tenue
2012 Jean Pawek
Galium porrigens var. tenue
2009 Barry Breckling

Gastridium ventricosum    Nit grass
non-native
Annual grass

POACEAE

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

Geranium carolinianum    Carolina geranium
native
Annual herb

GERANIACEAE

Geranium carolinianum
2018 Ron Vanderhoff
Geranium carolinianum
2019 Ron Vanderhoff
Geranium carolinianum
2004 Carol W. Witham

Gilia capitata    Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata
2003 Charles E. Jones
Gilia capitata
2012 Jason Matthias Mills
Gilia capitata
2013 Debra L. Cook

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

POLEMONIACEAE

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

Githopsis pulchella ssp. serpentinicola    Serpentine bluecup,  Sierra bluecup
native
Annual herb

CAMPANULACEAE

Githopsis pulchella ssp. serpentinicola
2005 Steve Tyron
Githopsis pulchella ssp. serpentinicola
2016 Steven Thorsted
Githopsis pulchella ssp. serpentinicola
2005 Steve Tyron

Githopsis specularioides    Common bluecup,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Githopsis specularioides
2016 David popp
Githopsis specularioides
2011 Steven Perry
Githopsis specularioides
2018 John Game

Gnaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Gnaphalium californicum
2017 Gary McDonald
Gnaphalium californicum
2017 Gary McDonald
Gnaphalium californicum
2008 Keir Morse

Gnaphalium luteo-album    Jersey cudweed
non-native
Annual herb

ASTERACEAE

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

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
2017 Diane Etchison
Gnaphalium stramineum
2019 Patrick Furtado
Gnaphalium stramineum
2018 Cynthia Powell

Grindelia camporum    Common gumplant,  Great valley gumweed,  Gum plant
native
Perennial herb

ASTERACEAE

Grindelia camporum
2015 Diane Etchison
Grindelia camporum
2001 Jeff Abbas
Grindelia camporum
2019 Ron Vanderhoff

Helenium bolanderi    Bolander's sneezeweed,  Coastal sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bolanderi
2008 Zoya Akulova
Helenium bolanderi
2013 Aaron Arthur
Helenium bolanderi
2003 Yulan Tong

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

ASTERACEAE

Helianthus annuus
2019 Laura Moon
Helianthus annuus
2017 Kristin Sabo
Helianthus annuus
2019 Laura Moon

Hemizonia sp.   


Hesperevax acaulis    Dwarf evax,  Stemless dwarf cudweed
native
Annual herb

ASTERACEAE

Hesperevax acaulis
1992 Dean Wm. Taylor
Hesperevax acaulis
2016 Neal Kramer
Hesperevax acaulis
2013 Aaron Arthur

Hesperolinon micranthum    Common dwarf flax,  Small flower western flax,  Small flowered dwarf flax
native
Annual herb

LINACEAE

Hesperolinon micranthum
2003 Michael Charters
Hesperolinon micranthum
2011 Aaron Arthur
Hesperolinon micranthum
2011 Vernon Smith

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
2004 George W. Hartwell

Heuchera micrantha var. erubescens    Alum root,  Crevice alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera micrantha var. erubescens
2013 Debra L. Cook
Heuchera micrantha var. erubescens
2008 Steve Matson
Heuchera micrantha var. erubescens
2018 Alexandra Kookootsedes

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

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

Holocarpha virgata    Narrow tarplant,  Pitgland tarweed,  Yellowflower tarweed
native
Annual herb

ASTERACEAE

Holocarpha virgata
2019 Ron Vanderhoff
Holocarpha virgata
2019 stephen rosenthal
Holocarpha virgata
2001 Jeff Abbas

Holozonia filipes    Greene's white crown,  Holozonia,  Whitecrown
native
Perennial herb

ASTERACEAE

Holozonia filipes
2015 Steve Matson
Holozonia filipes
2000 Doreen L. Smith
Holozonia filipes
2015 Doreen L. Smith

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Horkelia californica ssp. dissita    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica ssp. dissita
2013 Jake Ruygt
Horkelia californica ssp. dissita
2013 Jake Ruygt
Horkelia californica ssp. dissita
1995 Saint Mary's College of California

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

Isoetes howellii    Howell's quillwort,  Quillwort
native
Fern

ISOETACEAE

Isoetes howellii
2007 Neal Kramer
Isoetes howellii
2004 Carol W. Witham
Isoetes howellii
2007 Neal Kramer

Juglans californica var. hindsii    Northern california black walnut
native
Tree

JUGLANDACEAE

Juglans californica var. hindsii
2009 Neal Kramer
Juglans californica var. hindsii
2019 David popp
Juglans californica var. hindsii
2018 Ron Vanderhoff

Juncus balticus    Baltic rush,  Wire rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juncus capitatus    Leafy bracted dwarf rush,  Leafybract dwarf rush
non-native
Annual grasslike herb

JUNCACEAE

Juncus capitatus
2004 Carol W. Witham
Juncus capitatus
2013 Robert Steers/NPS
Juncus capitatus
2013 Aaron Arthur

Juncus mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

Juncus mexicanus
2003 Brent Miller
Juncus mexicanus
2004 Steve Matson
Juncus mexicanus
2014 Aaron Arthur

Juncus oxymeris    Pointed rush
native
Perennial grasslike herb

JUNCACEAE

Juncus oxymeris
2003 Steve Matson
Juncus oxymeris
2013 Jake Ruygt
Juncus oxymeris
2003 Steve Matson

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
2016 Erik Larsen
Juncus xiphioides
2017 Ron Vanderhoff
Juncus xiphioides
2017 Ron Vanderhoff

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
2014 Neal Kramer
Lactuca serriola
2006 Jennifer Naegele

Lagophylla glandulosa    Glandular hareleaf
native
Annual herb

ASTERACEAE

Lagophylla glandulosa
2011 Steven Perry
Lagophylla glandulosa
2019 Chico Hiking Association
Lagophylla glandulosa
2019 David popp

Lamium amplexicaule    Giraffe head,  Henbit deadnettle
non-native
Annual herb

LAMIACEAE

Lamium amplexicaule
2003 Michael Charters
Lamium amplexicaule
2017 Alison Sheehey
Lamium amplexicaule
2005 Steve Matson

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

ASTERACEAE

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

Layia fremontii    Fremont layia,  Fremont's tidy tips,  Fremont's tidytips
native
Annual herb

ASTERACEAE

Layia fremontii
2005 Christopher L. Christie
Layia fremontii
2005 Christopher L. Christie
Layia fremontii
2004 Carol W. Witham

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

Lepidium dictyotum
2009 Zoya Akulova
Lepidium dictyotum
2009 California State University, Stanislaus
Lepidium dictyotum
2012 Jean Pawek

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

BRASSICACEAE

Lepidium nitidum
2009 Jorg Fleige
Lepidium nitidum
2019 Gary McDonald
Lepidium nitidum
2016 Steve Matson

Lepidium oblongum    Veiny pepper grass,  Veiny pepperweed,  Wayside peppergrass
native
Annual herb

BRASSICACEAE

Lepidium oblongum
2006 Steve Matson
Lepidium oblongum
2017 Ron Vanderhoff
Lepidium oblongum
2010 Gary A. Monroe

Lessingia glandulifera    Valley lessingia,  Valley vinegar weed
native
Annual herb

ASTERACEAE

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

Lessingia leptoclada    Sierra lessingia
native
Annual herb

ASTERACEAE

Lessingia leptoclada
2008 Ron Wolf
Lessingia leptoclada
2019 R.A. Chasey
Lessingia leptoclada
2008 Ron Wolf

Lessingia nemaclada    Slender stemmed lessingia,  Slenderstem lessingia,  Thread stem lessingia
native
Annual herb

ASTERACEAE

Lessingia nemaclada
1995 Arthur H. Bazell, M.D.
Lessingia nemaclada
2007 Neal Kramer
Lessingia nemaclada
2010 Neal Kramer

Lewisia rediviva    Bitter root
native
Perennial herb

MONTIACEAE

Lewisia rediviva
2019 Sharon LuVisi
Lewisia rediviva
2019 Matt Berger
Lewisia rediviva
2019 Chico Hiking Association

Limnanthes douglasii ssp. rosea    Rosy douglas' meadowfoam
native
Annual herb

LIMNANTHACEAE

Limnanthes douglasii ssp. rosea
2004 Carol W. Witham
Limnanthes douglasii ssp. rosea
2004 Carol W. Witham
Limnanthes douglasii ssp. rosea
2008 Greta Murdoff

Limnanthes montana    Mountain meadowfoam
native
Annual herb

LIMNANTHACEAE

Limnanthes montana
2009 Neal Kramer
Limnanthes montana
2007 Neal Kramer

Linanthus bicolor    True babystars
native
Annual herb

POLEMONIACEAE

Linanthus bicolor
2008 Steve Conger
Linanthus bicolor
2019 Chico Hiking Association
Linanthus bicolor
2011 Neal Kramer

Linanthus bolanderi    Bolander's linanthus
native
Annual herb

POLEMONIACEAE

Linanthus bolanderi
2009 Steven Perry
Linanthus bolanderi
2015 John Doyen
Linanthus bolanderi
2008 Keir Morse

Linanthus ciliatus    Whiskerbrush
native
Annual herb

POLEMONIACEAE

Linanthus ciliatus
2016 Jim Moore
Linanthus ciliatus
2016 Jim Moore
Linanthus ciliatus
2018 Glenn Fine

Linanthus filipes    Thread linanthus
native
Annual herb

POLEMONIACEAE

Linanthus filipes
2009 Barry Breckling
Linanthus filipes
2019 David popp
Linanthus filipes
2015 John Doyen

Linanthus pygmaeus    Pygmy linanthus
native
Annual herb

POLEMONIACEAE

Linanthus pygmaeus
2009 Keir Morse
Linanthus pygmaeus
2004 Laura Ann Eliassen
Linanthus pygmaeus
2012 Gary McDonald

Lithophragma affine    Common woodland star,  San francisco woodland star,  Woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
2019 Ron Vanderhoff
Lithophragma affine
2018 Hector Borjas
Lithophragma affine
2015 Ken Lunders

Lolium multiflorum    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium multiflorum
2004 Carol W. Witham
Lolium multiflorum
2018 MCOSD EDRR
Lolium multiflorum
2003 James B. Gratiot

Lolium perenne    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium perenne
2004 Carol W. Witham
Lolium perenne
2018 MCOSD EDRR
Lolium perenne
2003 James B. Gratiot

Lomatium congdonii    Congdon's lomatium,  Mariposa desertparsley
native
Perennial herb

APIACEAE

Lomatium congdonii
2019 Jennifer Poore
Lomatium congdonii
2012 Lynn Robertson
Lomatium congdonii
2012 Lynn Robertson

Lomatium marginatum    Butte desertparsley,  Hartweg's lomatium,  Tall hog fennel
native
Perennial herb

APIACEAE

Lomatium marginatum
2013 Debra L. Cook
Lomatium marginatum
2009 George W. Hartwell
Lomatium marginatum
2013 Debra L. Cook

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 interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera interrupta
2008 Chris Winchell
Lonicera interrupta
2019 Jay Chamberlain
Lonicera interrupta
2019 Chico Hiking Association

Lotus humistratus    Short podded lotus
native
Annual herb

FABACEAE

Lotus humistratus
2008 Keir Morse
Lotus humistratus
2005 Steve Matson
Lotus humistratus
2013 Jean Pawek

Lotus purshianus var. purshianus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
2019 Ron Vanderhoff
Lotus purshianus var. purshianus
2019 Matt Berger
Lotus purshianus var. purshianus
2019 Matt Berger

Lotus wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

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

Ludwigia peploides ssp. montevidensis    Floating primrose willow,  Floating water primrose
invasive non-native
Perennial herb

ONAGRACEAE

Ludwigia peploides ssp. montevidensis
2010 Barry Breckling
Ludwigia peploides ssp. montevidensis
2012 Aaron Arthur
Ludwigia peploides ssp. montevidensis
2012 Aaron Arthur

Lupinus benthamii    Bentham lupine,  Spider lupine
native
Annual herb

FABACEAE

Lupinus benthamii
2015 John Doyen
Lupinus benthamii
2017 John Doyen
Lupinus benthamii
2015 Debra L. Cook

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

FABACEAE

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

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

FABACEAE

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

Lupinus pachylobus    Big pod lupine,  Fatpod lupine,  Mt. diablo lupine
native
Annual herb

FABACEAE

Lupinus pachylobus
2013 Jake Ruygt
Lupinus pachylobus
2018 Michael Mitchell
Lupinus pachylobus
2018 Michael Mitchell

Madia elegans ssp. densifolia    Common madia
native
Annual herb

ASTERACEAE

Madia elegans ssp. densifolia
2017 Michelle Bosch
Madia elegans ssp. densifolia
2018 Amy Rapport
Madia elegans ssp. densifolia
2018 Julian Geoghegan

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

ASTERACEAE

Madia exigua
2008 Keir Morse
Madia exigua
2013 Vernon Smith
Madia exigua
2015 Neal Kramer

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

ASTERACEAE

Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Julie Kierstead Nelson

Meconella californica    California fairypoppy,  California meconella
native
Annual herb

PAPAVERACEAE

Meconella californica
2015 John Doyen
Meconella californica
2013 Aaron Schusteff
Meconella californica
2015 John Doyen

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

FABACEAE

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

Melica californica var. nevadensis    California melicgrass,  Few flowered california melic
native
Perennial grass

POACEAE


Melica torreyana    Torrey melic,  Torrey's melica,  Torrey's melicgrass
native
Perennial grass

POACEAE

Melica torreyana
2012 Al Keuter
Melica torreyana
2019 John Rawlings
Melica torreyana
2017 MCOSD Restoration Crew

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

Melilotus indicus
2013 Debra L. Cook
Melilotus indicus
2009 Neal Kramer
Melilotus indicus
2005 Cheri Miller

Mentha spicata    Spearmint
non-native
Perennial herb

LAMIACEAE

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

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

ASTERACEAE

Micropus californicus var. californicus
2015 Richard Spellenberg
Micropus californicus var. californicus
2008 Keir Morse
Micropus californicus var. californicus
2009 Barry Breckling

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

ASTERACEAE

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

Mimulus aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
2019 Gary McDonald
Mimulus aurantiacus
2019 Stacie Wolny
Mimulus aurantiacus
2019 Gary McDonald

Mimulus congdonii    Congdon's monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus congdonii
2015 Peter Warner
Mimulus congdonii
2009 Aaron Schusteff
Mimulus congdonii
2009 Keir Morse

Mimulus douglasii    Purple mouse ears
native
Annual herb

PHRYMACEAE

Mimulus douglasii
2018 Chico Hiking Association
Mimulus douglasii
2017 John Rawlings
Mimulus douglasii
2018 Rick Wachs

Mimulus floribundus    Many flowered monkey flower
native
Annual herb

PHRYMACEAE

Mimulus floribundus
2018 John Doyen
Mimulus floribundus
2017 Ron Vanderhoff
Mimulus floribundus
2017 Ron Vanderhoff

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

PHRYMACEAE

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

Minuartia californica    California sandwort,  Sandwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia californica
2015 John Doyen
Minuartia californica
2007 Carol W. Witham
Minuartia californica
2006 Steve Matson

Minuartia douglasii    Douglas' sandwort,  Douglas' stitchwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia douglasii
2005 Steve Matson
Minuartia douglasii
2015 Barry Thomson
Minuartia douglasii
2009 Vernon Smith

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa
2019 Patricia Ashe
Monardella villosa
2019 Patrick Furtado
Monardella villosa
2007 Neal Kramer

Monolopia sp.   


Nassella pulchra    Purple needle grass
native
Perennial grass

POACEAE

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

Navarretia intertexta ssp. intertexta    Interwoven navarretia,  Needle leaved navarretia,  Needleleaf navarretia
native
Annual herb

POLEMONIACEAE

Navarretia intertexta ssp. intertexta
2003 Penn Martin II
Navarretia intertexta ssp. intertexta
2019 Steve Laymon
Navarretia intertexta ssp. intertexta
2018 Adam Chasey

Navarretia pubescens    Downy pincushionplant,  Purple navarretia
native
Annual herb

POLEMONIACEAE

Navarretia pubescens
2019 Ken Hickman
Navarretia pubescens
2018 Stacie Wolny
Navarretia pubescens
2007 Neal Kramer

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

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

Nemophila maculata    Five spot,  Fivespot
native
Annual herb

BORAGINACEAE

Nemophila maculata
2019 Jean B Henney
Nemophila maculata
2008 Dee Warenycia
Nemophila maculata
2009 Barry Breckling

Odontostomum hartwegii    Hartweg's doll's lily,  Hartweg's odontostomum,  Odontostomum
native
Perennial herb

TECOPHILAEACEAE

Odontostomum hartwegii
2006 Dr. Mark S. Brunell
Odontostomum hartwegii
2015 John Doyen
Odontostomum hartwegii
2018 Julie Kierstead Nelson

Orobanche fasciculata    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata
2016 Jim Xerogeanes
Orobanche fasciculata
2019 Marisa Persaud
Orobanche fasciculata
2019 Jennifer Poore

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

Panicum hillmanii    Hillman's panicgrass
non-native
Annual grass

POACEAE


Parvisedum pumilum    Sierra mock stonecrop
native
Annual herb

CRASSULACEAE

Parvisedum pumilum
2005 Steve Matson
Parvisedum pumilum
2007 Carol W. Witham
Parvisedum pumilum
2018 Adam Chasey

Paspalum distichum    Knot grass,  Knotgrass
native
Perennial grass

POACEAE

Paspalum distichum
2011 Zoya Akulova
Paspalum distichum
2016 Neal Kramer
Paspalum distichum
2017 Ron Vanderhoff

Pectocarya pusilla    Little combseed,  Little pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya pusilla
2008 Jorg Fleige
Pectocarya pusilla
2004 Carol W. Witham
Pectocarya pusilla
2008 Keir Morse

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

PTERIDACEAE

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

Pentagramma triangularis    Gold back fern,  Goldenback fern
native
Fern

PTERIDACEAE

Pentagramma triangularis
2005 George W. Hartwell
Pentagramma triangularis
2018 Miao Ling He
Pentagramma triangularis
2018 Cynthia Powell

Petrorhagia prolifera    Childing pink,  Pink grass
non-native
Annual herb

CARYOPHYLLACEAE

Petrorhagia prolifera
2006 Luigi Rignanese
Petrorhagia prolifera
2006 Luigi Rignanese
Petrorhagia prolifera
1995 Saint Mary's College of California

Phacelia cicutaria    Caterpillar phacelia
native
Annual herb

BORAGINACEAE

Phacelia cicutaria
2015 Diane Etchison
Phacelia cicutaria
2019 Chico Hiking Association
Phacelia cicutaria
2019 Ron Vanderhoff

Phacelia imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata
2015 Debra L. Cook
Phacelia imbricata
2018 Elinor Gates
Phacelia imbricata
2018 Ron Vanderhoff

Pinus sabiniana    Bull pine,  California foothill pine,  Gray pine
native
Tree

PINACEAE

Pinus sabiniana
2011 Jean Pawek
Pinus sabiniana
2019 Cynthia Powell
Pinus sabiniana
2013 Susan McDougall

Plagiobothrys tenellus    Pacific popcornflower,  Popcorn flower,  Slender popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys tenellus
2008 Keir Morse
Plagiobothrys tenellus
2014 Jean Pawek
Plagiobothrys tenellus
2008 Steve Matson

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

PLANTAGINACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Matt Berger
Platystemon californicus
2019 Diane Etchison
Platystemon californicus
2007 Neal Kramer

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
2016 Bill Thiessen
Plectritis ciliosa
2018 Japhia Huhndorf
Plectritis ciliosa
2009 Keir Morse

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

LAMIACEAE

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

Polygonum californicum    California knotweed
native
Annual herb

POLYGONACEAE

Polygonum californicum
2015 John Doyen
Polygonum californicum
2004 Steve Matson
Polygonum californicum
2015 John Doyen

Polygonum persicaria    Spotted ladysthumb
non-native
Annual herb

POLYGONACEAE

Polygonum persicaria
2008 Keir Morse
Polygonum persicaria
2017 Bob Stahmer
Polygonum persicaria
2008 Louis-M. Landry

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

Potamogeton foliosus    Leafy pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

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

Pseudobahia heermannii    Foothill sunburst,  Heermann's golden sunburst
native
Annual herb

ASTERACEAE

Pseudobahia heermannii
2019 Jacob Smith
Pseudobahia heermannii
2019 Jacob Smith
Pseudobahia heermannii
2019 Jacob Smith

Psilocarphus brevissimus var. brevissimus    Short woollyheads,  Woolly heads,  Woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus brevissimus var. brevissimus
2003 Vince Scheidt
Psilocarphus brevissimus var. brevissimus
2009 Keir Morse
Psilocarphus brevissimus var. brevissimus
2004 Carol W. Witham

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

DENNSTAEDTIACEAE

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2018 Gary McDonald
Quercus douglasii
2015 Jean B Henney
Quercus douglasii
2019 Timothy Boomer

Quercus wislizeni var. wislizeni    Interior live oak
native
Tree, Shrub

FAGACEAE

Quercus wislizeni var. wislizeni
2009 Neal Kramer
Quercus wislizeni var. wislizeni
2014 Al Keuter
Quercus wislizeni var. wislizeni
2008 Keir Morse

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2018 Ken Lunders
Ranunculus californicus
2018 stephen rosenthal

Ranunculus occidentalis    Western buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus occidentalis
2008 Steve Matson
Ranunculus occidentalis
2008 Steve Matson
Ranunculus occidentalis
2008 Steve Matson

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
2015 stephen rosenthal
Rhamnus ilicifolia
2014 Keir Morse
Rhamnus ilicifolia
2016 James Gonsman

Rhamnus tomentella ssp. tomentella    Hoary coffeeberry
native
Shrub

RHAMNACEAE

Rhamnus tomentella ssp. tomentella
2010 Barry Breckling
Rhamnus tomentella ssp. tomentella
2011 Barry Breckling
Rhamnus tomentella ssp. tomentella
2016 Ron Vanderhoff

Ribes malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum
2007 Ricky Grubb
Ribes malvaceum
2009 Neal Kramer
Ribes malvaceum
2018 Sue Graue

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

Rigiopappus leptocladus
2008 Keir Morse
Rigiopappus leptocladus
2011 Neal Kramer
Rigiopappus leptocladus
2005 Keir Morse

Rubus discolor    Elmleaf blackberry
non-native
Vine, Shrub

ROSACEAE

Rubus discolor
2005 Luigi Rignanese
Rubus discolor
2005 Luigi Rignanese
Rubus discolor
2005 Luigi Rignanese

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
2019 Cynthia Powell

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
2008 Margo Bors
Rumex pulcher
2015 John Doyen
Rumex pulcher
2008 Margo Bors

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

CARYOPHYLLACEAE

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

Sagittaria latifolia    Broad leaf arrowhead,  Broadleaf arrowhead,  Wappato
native
Perennial herb (aquatic)

ALISMATACEAE

Sagittaria latifolia
2005 Louis-M. Landry
Sagittaria latifolia
2005 Louis-M. Landry
Sagittaria latifolia
2005 Lisa Powers

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix melanopsis    Dusky willow
native
Tree, Shrub

SALICACEAE

Salix melanopsis
2008 Keir Morse
Salix melanopsis
2018 David popp
Salix melanopsis
2015 Barry Breckling

Sambucus mexicana    Blue elderberry
native
Shrub

ADOXACEAE

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

Sanicula bipinnatifida    Purple sanicle,  Snakeroot
native
Perennial herb

APIACEAE

Sanicula bipinnatifida
2018 Gary McDonald
Sanicula bipinnatifida
2018 Gary McDonald
Sanicula bipinnatifida
2011 Thomas Reyes

Sanicula tuberosa    Tuberous sanicle,  Turkey pea
native
Perennial herb

APIACEAE

Sanicula tuberosa
2019 Ron Vanderhoff
Sanicula tuberosa
2019 Chico Hiking Association
Sanicula tuberosa
2019 Matt Berger

Saxifraga sp.   


Scirpus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

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

Scleranthus annuus ssp. annuus    German knotgrass,  Knawel,  Scleranthus
non-native
Annual herb

CARYOPHYLLACEAE

Scleranthus annuus ssp. annuus
2008 Steve Matson
Scleranthus annuus ssp. annuus
2005 Steve Matson
Scleranthus annuus ssp. annuus
2014 Jean Pawek

Scribneria bolanderi    Scribner's grass,  Scribneria
native
Annual grass

POACEAE

Scribneria bolanderi
2013 Scot Loring
Scribneria bolanderi
2011 Tim Thomas
Scribneria bolanderi
2011 Tim Thomas

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

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

Selaginella hansenii    Hansen's spike moss,  Hansen's spikemoss
native
Fern (mosslike)

SELAGINELLACEAE

Selaginella hansenii
2006 John Game
Selaginella hansenii
2006 John Game
Selaginella hansenii
2019 Chico Hiking Association

native
Perennial herb

ASTERACEAE


Senecio layneae    Layne's ragwort
native
Perennial herb

ASTERACEAE

Senecio layneae
2011 Steven Perry
Senecio layneae
2011 Steven Perry
Senecio layneae
2011 Steven Perry

Sidalcea calycosa    Annual checkerbloom,  Checker mallow,  Pt. reyes sidalcea
native
Annual herb

MALVACEAE

Sidalcea calycosa
2009 Neal Kramer
Sidalcea calycosa
Corsi 2016 California Academy of Sciences
Sidalcea calycosa
2009 Ron Wolf

Sidalcea hartwegii    Hartweg sidalcea,  Hartweg's checkerbloom,  Valley checkerbloom
native
Annual herb

MALVACEAE

Sidalcea hartwegii
2005 Christopher L. Christie
Sidalcea hartwegii
2019 Chico Hiking Association
Sidalcea hartwegii
2019 Chico Hiking Association

Sidalcea malviflora ssp. asprella    Harsh checkerbloom, sierra foothills checkerbloom
native
Perennial herb

MALVACEAE

Sidalcea malviflora ssp. asprella
2007 Dr. Mark S. Brunell
Sidalcea malviflora ssp. asprella
2007 Dr. Mark S. Brunell
Sidalcea malviflora ssp. asprella
2007 Virginia Moran

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

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny

Solanum xanti    Chaparral nightshade,  Nightshade,  Purple nightshade
native
Perennial herb, Shrub

SOLANACEAE

Solanum xanti
2006 Chris Wagner, SBNF
Solanum xanti
2011 Neal Kramer
Solanum xanti
2017 Ashley Olive

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

Sorghum halepense    Johnsongrass
invasive non-native
Perennial grass

POACEAE

Sorghum halepense
2016 Erik Larsen
Sorghum halepense
2006 Luigi Rignanese
Sorghum halepense
2014 Robert F Norris

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

Stachys stricta    Sonoma hedge nettle,  Sonoma hedgenettle
native
Perennial herb

LAMIACEAE

Stachys stricta
2012 george jackson
Stachys stricta
2012 george jackson
Stachys stricta
2018 Chico Hiking Association

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

CARYOPHYLLACEAE

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

Stephanomeria virgata    Rod wirelettuce,  Tall stephanomeria,  Twiggy wreath plant
native
Annual herb

ASTERACEAE

Stephanomeria virgata
2018 Ron Vanderhoff
Stephanomeria virgata
2019 Steven M Norris
Stephanomeria virgata
2010 Steven Thorsted

Streptanthus polygaloides    Milkwort jewelflower
native
Annual herb

BRASSICACEAE

Streptanthus polygaloides
2010 Aaron Arthur
Streptanthus polygaloides
2013 Ron Wolf
Streptanthus polygaloides
2008 Steve Matson

Thysanocarpus curvipes    Fringe pod,  Fringed pod,  Hairy lacepod
native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes
2019 Jay Chamberlain
Thysanocarpus curvipes
2008 Keir Morse
Thysanocarpus curvipes
2001 Jeff Abbas

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

Trichostema rubisepalum    Hernandez bluecurls
native
Annual herb

LAMIACEAE

Trichostema rubisepalum
2015 John Doyen
Trichostema rubisepalum
2011 Chris Winchell
Trichostema rubisepalum
2011 Chris Winchell

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 ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
2019 Rachelle Gray
Trifolium ciliolatum
2019 Rachelle Gray
Trifolium ciliolatum
2009 Keir Morse

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

FABACEAE

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

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

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

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

FABACEAE

Trifolium microcephalum
2019 Ron Vanderhoff
Trifolium microcephalum
2018 Glen Schneider
Trifolium microcephalum
2005 Steve Matson

Trifolium microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

Trifolium microdon
2008 Neal Kramer
Trifolium microdon
2018 Hayley Ross
Trifolium microdon
2013 Zoya Akulova

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

FABACEAE

Trifolium variegatum
2004 Carol W. Witham
Trifolium variegatum
2018 Chico Hiking Association
Trifolium variegatum
2011 Dylan Neubauer

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2018 Stacie Wolny
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

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

OROBANCHACEAE

Triphysaria eriantha
2004 Dr. Mark S. Brunell
Triphysaria eriantha
2004 Carol W. Witham
Triphysaria eriantha
2008 Jorg Fleige

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

OROBANCHACEAE

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

Triteleia bridgesii    Bridges' brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia bridgesii
2018 Adam Chasey
Triteleia bridgesii
2019 Julie Kierstead Nelson
Triteleia bridgesii
2017 Julie Kierstead Nelson

Triteleia hyacinthina    White brodiaea,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Triteleia hyacinthina
2019 Julie Kierstead Nelson
Triteleia hyacinthina
2016 Jim Moore
Triteleia hyacinthina
2018 Glenn Fine

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
2007 Neal Kramer
Triteleia laxa
2019 Stacie Wolny
Triteleia laxa
2019 Chico Hiking Association

Typha angustifolia    Nail rod,  Narrow leaf cattail,  Narrowleaf cattail
non-native
Perennial herb (aquatic)

TYPHACEAE

Typha angustifolia
2018 Cynthia Powell
Typha angustifolia
2005 Louis-M. Landry
Typha angustifolia
2019 Ron Vanderhoff

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

TYPHACEAE

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

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
2018 Ron Vanderhoff
Uropappus lindleyi
2017 Diane Etchison
Uropappus lindleyi
2019 Carl Mautner

Velezia rigida    Velezia
non-native
Annual herb

CARYOPHYLLACEAE

Velezia rigida
2009 Barry Breckling
Velezia rigida
2012 Neal Kramer
Velezia rigida
2012 Steven Perry

Verbascum blattaria    Moth mullein
non-native
Perennial herb

SCROPHULARIACEAE

Verbascum blattaria
2019 Patrick Furtado
Verbascum blattaria
2014 Garth Wadsworth
Verbascum blattaria
2019 Catherine Capone

Verbena californica    California vervain,  Red hills vervain
native
Perennial herb

VERBENACEAE

Verbena californica
2012 Lynn Robertson
Verbena californica
2012 Lynn Robertson
Verbena californica
2012 Lynn Robertson

Verbena officinalis    Herb of the cross
non-native
Perennial herb

VERBENACEAE

Verbena officinalis
2017 Ron Vanderhoff
Verbena officinalis
2017 Ron Vanderhoff
Verbena officinalis
2017 Ron Vanderhoff

Veronica americana    American brooklime,  American speedwell,  Brooklime
native
Perennial herb

PLANTAGINACEAE

Veronica americana
2014 Steven Perry
Veronica americana
2014 Jim Moore
Veronica americana
2009 Keir Morse

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica anagallis-aquatica
2005 Chris Wagner, SBNF
Veronica anagallis-aquatica
2009 Keir Morse
Veronica anagallis-aquatica
2003 Loretta Metz

Vicia sativa    Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa
2007 Luigi Rignanese
Vicia sativa
J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences
Vicia sativa
2019 Cynthia Powell

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

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

Vulpia myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros
2015 Gary McDonald
Vulpia myuros
2013 Al Keuter
Vulpia myuros
2013 Al Keuter

Vulpia myuros var. hirsuta    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

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

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

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

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

MELANTHIACEAE

Zigadenus fremontii
2019 Dee Shea Himes
Zigadenus fremontii
2017 Kristin Sabo
Zigadenus fremontii
2009 Neal Kramer