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 Achyrachaena mollis Achyrachaena mollis
2004 Keir Morse
2004 Carol W. Witham
2018 Dorothy Tuthill

Adenostoma fasciculatum    Chamise
native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum Adenostoma fasciculatum Adenostoma fasciculatum
2008 Thomas Stoughton
2014 Garth Wadsworth
2017 Joshua Borkowski

Aegilops triuncialis    Barbed goatgrass
invasive non-native
Annual grass

POACEAE

Aegilops triuncialis Aegilops triuncialis Aegilops triuncialis
2007 Neal Kramer
2018 Carolyn Martus
2018 MCOSD Restoration Crew

Agoseris heterophylla    Annual agoseris,  Annual mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla Agoseris heterophylla Agoseris heterophylla
2009 Keir Morse
2009 Keir Morse
2004 Dr. Mark S. Brunell

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

POACEAE

Agrostis exarata var. monolepis Agrostis exarata var. monolepis Agrostis exarata var. monolepis
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

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

POACEAE

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

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

POACEAE

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

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

SIMAROUBACEAE

Ailanthus altissima Ailanthus altissima Ailanthus altissima
2014 Dr. Amadej Trnkoczy
2012 Julie Kierstead Nelson
2018 Carolyn Martus

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

POACEAE

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

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

ALISMATACEAE

Alisma plantago-aquatica Alisma plantago-aquatica Alisma plantago-aquatica
2007 Neal Kramer
2007 Louis-M. Landry
2013 Neal Kramer

Allium cratericola    Cascade onion
native
Perennial herb (bulb)

ALLIACEAE

Allium cratericola Allium cratericola Allium cratericola
2010 Ron Wolf
2010 Ron Wolf
2009 Dee E. Warenycia

Allium peninsulare    Mexicali onion
native
Perennial herb (bulb)

ALLIACEAE

Allium peninsulare Allium peninsulare Allium peninsulare
2018 Chico Hiking Association
2017 Art Clark
2006 Dr. Mark S. Brunell

Allium tuolumnense    Rawhide hill onion
native
Perennial herb (bulb)

ALLIACEAE

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

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

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

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

AMARANTHACEAE

Amaranthus blitoides Amaranthus blitoides Amaranthus blitoides
2005 Luigi Rignanese
2014 Zoya Akulova
2009 Neal Kramer

Anagallis arvensis    Scarlet pimpernel
(currently Lysimachia arvensis)
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis Anagallis arvensis Anagallis arvensis
2004 Carol W. Witham
2001 Tony Morosco
2017 B.J. Dion

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus Ancistrocarphus filagineus Ancistrocarphus filagineus
2008 Keir Morse
2009 Barry Rice
2011 Vernon Smith

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

ASTERACEAE

Anthemis cotula Anthemis cotula Anthemis cotula
2007 Neal Kramer
2004 Carol W. Witham
2008 Keir Morse

Antirrhinum vexillo-calyculatum ssp. breweri    Wiry snapdragon
(currently Antirrhinum vexillocalyculatum)
native
Annual herb

PLANTAGINACEAE

Antirrhinum vexillo-calyculatum ssp. breweri Antirrhinum vexillo-calyculatum ssp. breweri Antirrhinum vexillo-calyculatum ssp. breweri
2011 John W. Wall
2018 Julian Geoghegan
2011 Vernon Smith

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

ROSACEAE

Aphanes occidentalis Aphanes occidentalis Aphanes occidentalis
2009 Keir Morse
2005 Steve Matson
2013 Jean Pawek

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

VISCACEAE

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

Arctostaphylos manzanita ssp. manzanita    Common Manzanita
native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. manzanita Arctostaphylos manzanita ssp. manzanita Arctostaphylos manzanita ssp. manzanita
2005 George W. Hartwell
2015 James Gonsman
2017 Julie Kierstead Nelson

Arctostaphylos viscida ssp. mariposa    Mariposa manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. mariposa Arctostaphylos viscida ssp. mariposa Arctostaphylos viscida ssp. mariposa
2009 Barry Breckling
2008 Chris Winchell
2017 Sarah Williams

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

APOCYNACEAE

Asclepias fascicularis Asclepias fascicularis Asclepias fascicularis
2003 Christopher L. Christie
2009 Neal Kramer
2018 Stacie Wolny

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

FABACEAE

Astragalus gambelianus Astragalus gambelianus Astragalus gambelianus
2015 John Doyen
2011 Barry Breckling
2011 Thomas Reyes

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

POACEAE

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

Blennosperma nanum    Common stickyseed,  Yellow carpet
native
Annual herb

ASTERACEAE

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

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

POACEAE

Briza minor Briza minor Briza minor
2005 Brent Miller
2004 Carol W. Witham
2008 Zoya Akulova

Brodiaea elegans    Harvest brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea elegans Brodiaea elegans Brodiaea elegans
2002 George W. Hartwell
2007 Neal Kramer
2014 Dee Warenycia

Bromus arizonicus    Arizona brome
native
Annual grass

POACEAE

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

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

POACEAE

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

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

POACEAE

Bromus hordeaceus Bromus hordeaceus Bromus hordeaceus
2006 Brent Miller
2008 Zoya Akulova
2018 Gary McDonald

Bromus madritensis ssp. madritensis    Foxtail chess
non-native
Annual grass

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Calandrinia ciliata    Red maids
(currently Calandrinia menziesii)
native
Annual herb

MONTIACEAE

Calandrinia ciliata Calandrinia ciliata Calandrinia ciliata
2008 Neal Kramer
2008 Keir Morse
2015 Ken Lunders

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

LILIACEAE

Calochortus albus Calochortus albus Calochortus albus
1981 Steve Lowens
2018 Nancy Poss
2018 Bill Schmidt

Calochortus invenustus    Plain mariposa lily
native
Perennial herb

LILIACEAE

Calochortus invenustus Calochortus invenustus Calochortus invenustus
2005 Chris Wagner, SBNF
2005 Chris Wagner, SBNF
2008 Thomas Stoughton

Calochortus superbus    Yellow mariposa
native
Perennial herb

LILIACEAE

Calochortus superbus Calochortus superbus Calochortus superbus
2007 Carol W. Witham
2018 Adam Chasey
2010 Dee E. Warenycia

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus Calochortus venustus Calochortus venustus
2018 John L. Thompson
2016 Steven Thorsted
2015 Karen Swift

Calycadenia mollis    Soft calycadenia,  Soft western rosinweed
native
Annual herb

ASTERACEAE

Calycadenia mollis Calycadenia mollis
2009 Neal Kramer
1995 Saint Mary's College of California

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

ASTERACEAE

Calycadenia multiglandulosa Calycadenia multiglandulosa Calycadenia multiglandulosa
2008 Dee E. Warenycia
2018 Alice Cummings
2009 Neal Kramer

Calycadenia truncata    Rosin weed
native
Annual herb

ASTERACEAE

Calycadenia truncata Calycadenia truncata Calycadenia truncata
2011 Vernon Smith
2005 Steve Tyron
2011 Aaron Arthur

Calycanthus occidentalis    Spicebush,  Sweet shrub
native
Shrub

CALYCANTHACEAE

Calycanthus occidentalis Calycanthus occidentalis Calycanthus occidentalis
2006 Matt Below
Gerald and Buff Corsi 2002 California Academy of Sciences
2018 Robert Nance

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

CONVOLVULACEAE

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

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

BRASSICACEAE

Capsella bursa-pastoris Capsella bursa-pastoris Capsella bursa-pastoris
2017 Erik Larsen
2007 Carol W. Witham
2008 Steve Matson

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

BRASSICACEAE

Cardamine oligosperma Cardamine oligosperma Cardamine oligosperma
2008 Jorg Fleige
2008 Steve Matson
2008 Gary McDonald

Carex densa    Dense sedge,  Sedge
native
Perennial grasslike herb

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

Carex serratodens Carex serratodens Carex serratodens
2009 Neal Kramer
2008 Keir Morse
2011 Dylan Neubauer

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

CYPERACEAE

Carex tumulicola Carex tumulicola Carex tumulicola
2009 Chris Wagner
2002 Dean Wm. Taylor
2003 Steve Matson

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis Castilleja affinis Castilleja affinis
2003 Michael Charters
2005 Charles E. Jones
2009 John W. Wall

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

OROBANCHACEAE

Castilleja applegatei Castilleja applegatei Castilleja applegatei
2008 George W. Hartwell
2018 Chico Hiking Association
2018 David popp

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

OROBANCHACEAE

Castilleja attenuata Castilleja attenuata Castilleja attenuata
2003 Dianne Fristrom
2009 Keir Morse
2004 Carol W. Witham

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa Castilleja foliolosa Castilleja foliolosa
2003 Michelle Cloud-Hughes
2018 Mary Conway
2018 Adam Chasey

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

OROBANCHACEAE

Castilleja minor ssp. spiralis Castilleja minor ssp. spiralis Castilleja minor ssp. spiralis
2015 Barry Breckling
2017 Diane Etchison
2017 Adam Chasey

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

OROBANCHACEAE

Castilleja subinclusa Castilleja subinclusa Castilleja subinclusa
2010 Larry Beckerman
2015 Debra L. Cook
Margo Bors

Ceanothus cuneatus    Buck brush,  Wedgeleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus cuneatus Ceanothus cuneatus Ceanothus cuneatus
2006 Doreen L. Smith
2018 Richard Spjut
2018 Jay Chamberlain

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

ASTERACEAE

Centaurea melitensis Centaurea melitensis Centaurea melitensis
2005 James M. Andre
2012 Gary McDonald
2018 Stacie Sherman

Centaurium venustum    Charming centaury
(currently Zeltnera venusta)
native
Annual herb

GENTIANACEAE

Centaurium venustum Centaurium venustum Centaurium venustum
2017 Alison Sheehey
2017 Jeff Elman
2015 Barry Breckling

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

CARYOPHYLLACEAE

Cerastium glomeratum Cerastium glomeratum Cerastium glomeratum
2009 Barry Breckling
2013 Debra L. Cook
2007 Carol W. Witham

Ceratophyllum demersum    Coon's tail,  Hornwort
native
Perennial herb

CERATOPHYLLACEAE

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

Chaenactis glabriuscula    Common yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula Chaenactis glabriuscula Chaenactis glabriuscula
2005 Christopher L. Christie
2015 John Doyen
2003 Barry Breckling

Chamaesyce ocellata    Contura creek spurge
(currently Euphorbia ocellata)
native
Annual herb

EUPHORBIACEAE

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

Chamomilla suaveolens    Pineapple weed
(currently Matricaria discoidea)
native
Annual herb

ASTERACEAE

Chamomilla suaveolens Chamomilla suaveolens Chamomilla suaveolens
2008 Keir Morse
2005 Louis-M. Landry
2008 Steve Matson

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

AGAVACEAE

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

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum Chlorogalum pomeridianum Chlorogalum pomeridianum
2004 George W. Hartwell
2003 David A. Tharp
2011 John W. Wall

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe membranacea Chorizanthe membranacea Chorizanthe membranacea
2009 Keir Morse
2009 Barry Breckling
2016 Cindy Roessler

Chorizanthe polygonoides    Knotweed spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe polygonoides Chorizanthe polygonoides Chorizanthe polygonoides
2009 Neal Kramer
2010 Benjamin Smith
2006 John Green

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

Cicendia quadrangularis Cicendia quadrangularis Cicendia quadrangularis
2008 Steve Matson
2004 Aaron Schusteff
2004 Carol W. Witham

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

ASTERACEAE

Cirsium occidentale var. californicum Cirsium occidentale var. californicum Cirsium occidentale var. californicum
2007 Matt Below
2018 Marcyn Del Clements
2008 Thomas Stoughton

Clarkia arcuata    Glandular clarkia,  Glandular fairyfan
native
Annual herb

ONAGRACEAE

Clarkia arcuata Clarkia arcuata Clarkia arcuata
2009 Barry Breckling
2015 John Doyen
2015 John Doyen

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

ONAGRACEAE

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

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

ONAGRACEAE

Clarkia purpurea ssp. purpurea Clarkia purpurea ssp. purpurea Clarkia purpurea ssp. purpurea
2007 Neal Kramer
2011 Dylan Neubauer
2007 Neal Kramer

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

ONAGRACEAE

Clarkia williamsonii Clarkia williamsonii Clarkia williamsonii
2009 Neal Kramer
2009 Keir Morse
2006 Matt Below

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

MONTIACEAE

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

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

MONTIACEAE

Claytonia perfoliata ssp. perfoliata Claytonia perfoliata ssp. perfoliata Claytonia perfoliata ssp. perfoliata
2005 George W. Hartwell
2009 Neal Kramer
2018 Gary McDonald

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha Clematis lasiantha Clematis lasiantha
2007 Neal Kramer
2003 Michael Charters
2003 Michael Charters

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

PLANTAGINACEAE

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

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

PLANTAGINACEAE

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

Collinsia tinctoria    Sticky chinese houses,  Tincture plant
native
Annual herb

PLANTAGINACEAE

Collinsia tinctoria Collinsia tinctoria Collinsia tinctoria
2005 Christopher L. Christie
2016 Art Clark
2006 Steven Thorsted

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum Conium maculatum Conium maculatum
2008 Keir Morse
2011 Louis-M. Landry
2009 Neal Kramer

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

OROBANCHACEAE

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

Coreopsis stillmanii    Stillman's coreopsis
(currently Leptosyne stillmanii)
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

CRASSULACEAE

Crassula aquatica Crassula aquatica Crassula aquatica
2003 Yulan Tong
2013 Anna Bennett
2004 Carol W. Witham

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

CRASSULACEAE

Crassula connata Crassula connata Crassula connata
2003 Steve Matson
2005 Bob Huettmann
2010 Thomas Stoughton

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

BORAGINACEAE

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

Cryptantha intermedia    Clearwater cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia Cryptantha intermedia Cryptantha intermedia
2015 Jesse Rorabaugh
2015 Jesse Rorabaugh
2009 Ron Wolf

Cryptantha mariposae    Mariposa cryptantha
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Cryptantha rostellata    Beaked cryptantha
native
Annual herb

BORAGINACEAE


Cuscuta sp.   


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

POACEAE

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

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

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

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus Daucus pusillus Daucus pusillus
2013 Keir Morse
2018 Abbot Chambers
2015 Zoya Akulova

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

RANUNCULACEAE

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

Delphinium hesperium    Foothill larkspur,  Western larkspur
native
Perennial herb

RANUNCULACEAE

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

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides Deschampsia danthonioides Deschampsia danthonioides
2004 Carol W. Witham
2008 Keir Morse
2008 Zoya Akulova

Dichelostemma capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum Dichelostemma capitatum Dichelostemma capitatum
2006 Michelle Cloud-Hughes
2015 Brent Morgan
2018 Hector Borjas

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

THEMIDACEAE

Dichelostemma multiflorum Dichelostemma multiflorum Dichelostemma multiflorum
2006 George W. Hartwell
2004 Carol W. Witham
2003 Michael Charters

Dodecatheon hendersonii    Mosquito bill
(currently Primula hendersonii)
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii Dodecatheon hendersonii Dodecatheon hendersonii
2008 Keir Morse
2017 Michelle Bosch
2018 Doug Zimmerman

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

BRASSICACEAE

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

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

CRASSULACEAE

Dudleya cymosa Dudleya cymosa Dudleya cymosa
2009 Leigh Johnson
2009 Barry Breckling
2018 Elinor Gates

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

CYPERACEAE

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

Eleocharis rostellata    Beaked spikerush,  Walking sedge
native
Perennial grasslike herb

CYPERACEAE

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

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus Elymus multisetus Elymus multisetus
2006 Tom Annese
2017 Ron Vanderhoff
2009 Keir Morse

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

ONAGRACEAE

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

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

ONAGRACEAE

Epilobium minutum Epilobium minutum Epilobium minutum
2009 Keir Morse
2015 John Doyen
2013 Robert Sikora

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

Ericameria arborescens Ericameria arborescens Ericameria arborescens
2018 Eliezer Margolis
2014 Richard Chasey
2015 Hayley Ross

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon californicum Eriodictyon californicum Eriodictyon californicum
2011 John W. Wall
2018 Chico Hiking Association
2009 Neal Kramer

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

POLYGONACEAE

Eriogonum nudum var. nudum Eriogonum nudum var. nudum Eriogonum nudum var. nudum
2008 Keir Morse
2009 Neal Kramer
2014 John Doyen

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

POLYGONACEAE

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

Eriogonum tripodum    Tripod buckwheat
native
Shrub

POLYGONACEAE

Eriogonum tripodum Eriogonum tripodum Eriogonum tripodum
2008 Steven Perry
2008 Steven Perry
2008 Steven Perry

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

POLYGONACEAE

Eriogonum vimineum Eriogonum vimineum Eriogonum vimineum
2008 Keir Morse
2006 David McClurg
2009 George W. Hartwell

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

ASTERACEAE

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

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

GERANIACEAE

Erodium cicutarium Erodium cicutarium Erodium cicutarium
2009 Keir Morse
2007 Luigi Rignanese
2008 Steve Matson

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

PAPAVERACEAE

Eschscholzia caespitosa Eschscholzia caespitosa Eschscholzia caespitosa
2004 Hartmut Wisch
2009 Keir Morse
2009 Keir Morse

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica Eschscholzia californica Eschscholzia californica
2014 Zoya Akulova
2009 Barry Rice
Gerald and Buff Corsi 2002 California Academy of Sciences

Eschscholzia lobbii    Frying pans,  Fryingpans
native
Annual herb

PAPAVERACEAE

Eschscholzia lobbii Eschscholzia lobbii Eschscholzia lobbii
2001 George W. Hartwell
2016 Jason Matthias Mills
2007 Neal Kramer

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata Euphorbia spathulata Euphorbia spathulata
2014 Neal Kramer
2012 Robert Steers/NPS
2003 Keir Morse

Filago californica    California cottonrose
(currently Logfia filaginoides)
native
Annual herb

ASTERACEAE

Filago californica Filago californica Filago californica
2009 Robert Steers
2009 Stanley Spencer
2006 Steve Matson

Filago gallica    Narrowleaf cottonrose
(currently Logfia gallica)
non-native
Annual herb

ASTERACEAE

Filago gallica Filago gallica Filago gallica
2004 Keir Morse
2017 Barbara Boethling
2015 Chris Jaster

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

RUBIACEAE

Galium aparine Galium aparine Galium aparine
2008 Gary McDonald
2005 Keir Morse
2005 Steve Matson

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

RUBIACEAE

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

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

RUBIACEAE

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

Galium porrigens var. tenue    Graceful bedstraw
native
Vine, Shrub

RUBIACEAE

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

Gastridium ventricosum    Nit grass
(currently Gastridium phleoides)
non-native
Annual grass

POACEAE

Gastridium ventricosum Gastridium ventricosum Gastridium ventricosum
2009 Zoya Akulova
2001 Julie Kierstead Nelson
2004 Laura Ann Eliassen

Geranium carolinianum    Carolina geranium
native
Annual herb

GERANIACEAE

Geranium carolinianum Geranium carolinianum Geranium carolinianum
2004 Carol W. Witham
2004 Carol W. Witham
2004 Carol W. Witham

Gilia capitata    Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata Gilia capitata Gilia capitata
2003 Charles E. Jones
2018 Miao Ling He
2015 Debra L. Cook

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

POLEMONIACEAE

Gilia tricolor ssp. diffusa Gilia tricolor ssp. diffusa Gilia tricolor ssp. diffusa
2007 Neal Kramer
2015 Debra L. Cook
2015 Debra L. Cook

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

CAMPANULACEAE

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

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

CAMPANULACEAE

Githopsis specularioides Githopsis specularioides Githopsis specularioides
2001 Jeff Abbas
2018 John Game
2011 Steven Perry

Gnaphalium californicum    Ladies' tobacco
(currently Pseudognaphalium californicum)
native
Annual, Perennial herb

ASTERACEAE

Gnaphalium californicum Gnaphalium californicum Gnaphalium californicum
2018 susan Bashore
2017 Gary McDonald
2017 Gary McDonald

Gnaphalium luteo-album    Jersey cudweed
(currently Pseudognaphalium luteoalbum)
non-native
Annual herb

ASTERACEAE

Gnaphalium luteo-album Gnaphalium luteo-album Gnaphalium luteo-album
2008 Jorg Fleige
2008 Gary McDonald
2015 John Doyen

Gnaphalium stramineum    Cottonbatting plant
(currently Pseudognaphalium stramineum)
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum Gnaphalium stramineum Gnaphalium stramineum
2007 Neal Kramer
2009 Neal Kramer
2009 Neal Kramer

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

ASTERACEAE

Grindelia camporum Grindelia camporum Grindelia camporum
2013 Arcangelo Wessells
2001 Jeff Abbas
2018 David popp

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

ASTERACEAE

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

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

ASTERACEAE

Helianthus annuus Helianthus annuus Helianthus annuus
2003 George W. Hartwell
2011 Zoya Akulova
2010 Neal Kramer

Hemizonia sp.   


Hesperevax acaulis    Dwarf evax,  Stemless dwarf cudweed
native
Annual herb

ASTERACEAE

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

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

LINACEAE

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

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

CAMPANULACEAE

Heterocodon rariflorum Heterocodon rariflorum Heterocodon rariflorum
2005 John Game
2003 Steve Matson
2003 Michael Charters

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia Heteromeles arbutifolia Heteromeles arbutifolia
2017 Gary McDonald
2017 Gary McDonald
2004 George W. Hartwell

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

SAXIFRAGACEAE

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

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

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

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

ASTERACEAE

Holocarpha virgata Holocarpha virgata Holocarpha virgata
2001 Jeff Abbas
2013 Anna Bennett
2001 Jeff Abbas

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

ASTERACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Horkelia californica ssp. dissita    California horkelia
(currently Horkelia californica var. elata)
native
Perennial herb

ROSACEAE

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

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

HYPERICACEAE

Hypericum perforatum Hypericum perforatum Hypericum perforatum
2005 Louis-M. Landry
2018 stephen rosenthal
2005 Louis-M. Landry

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

ASTERACEAE

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

Isoetes howellii    Howell's quillwort,  Quillwort
native
Fern

ISOETACEAE

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

Juglans californica var. hindsii    Northern california black walnut
(currently Juglans hindsii)
native
Tree

JUGLANDACEAE

Juglans californica var. hindsii Juglans californica var. hindsii Juglans californica var. hindsii
2009 Neal Kramer
2018 Catherine Capone
2015 Jenny Gossett

Juncus balticus    Baltic rush,  Wire rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

Juncus bufonius Juncus bufonius Juncus bufonius
2004 James M. Andre
2002 James B. Gratiot
2008 Zoya Akulova

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

JUNCACEAE

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

Juncus mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

Juncus mexicanus Juncus mexicanus Juncus mexicanus
2003 Brent Miller
2014 Aaron Arthur
2003 Brent Miller

Juncus oxymeris    Pointed rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

Juncus xiphioides Juncus xiphioides Juncus xiphioides
2016 Erik Larsen
2017 Ron Vanderhoff
2011 Hattie Brown

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

ASTERACEAE

Lactuca saligna Lactuca saligna Lactuca saligna
2012 Vernon Smith
2010 Zoya Akulova
2009 Zoya Akulova

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

ASTERACEAE

Lactuca serriola Lactuca serriola Lactuca serriola
2017 Gary McDonald
2009 Neal Kramer
2006 Luigi Rignanese

Lagophylla glandulosa    Glandular hareleaf
native
Annual herb

ASTERACEAE

Lagophylla glandulosa Lagophylla glandulosa Lagophylla glandulosa
2011 Steven Perry
2015 Richard Spellenberg
2015 Richard Spellenberg

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

LAMIACEAE

Lamium amplexicaule Lamium amplexicaule Lamium amplexicaule
2003 Michael Charters
2005 Steve Matson
2008 Gary McDonald

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

ASTERACEAE

Lasthenia californica Lasthenia californica Lasthenia californica
2017 MCOSD EDRR
1998 Larry Blakely
2012 Jean Pawek

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

ASTERACEAE

Layia fremontii Layia fremontii Layia fremontii
2005 Christopher L. Christie
2004 Carol W. Witham
2009 Neal Kramer

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

Lepidium dictyotum Lepidium dictyotum Lepidium dictyotum
2009 Zoya Akulova
2012 Jean Pawek
2009 Zoya Akulova

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

BRASSICACEAE

Lepidium nitidum Lepidium nitidum Lepidium nitidum
2009 Jorg Fleige
2009 Ron Wolf
2001 Steven Thorsted

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

BRASSICACEAE

Lepidium oblongum Lepidium oblongum Lepidium oblongum
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2010 Gary A. Monroe

Lessingia glandulifera    Valley lessingia,  Valley vinegar weed
native
Annual herb

ASTERACEAE

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

Lessingia leptoclada    Sierra lessingia
native
Annual herb

ASTERACEAE

Lessingia leptoclada Lessingia leptoclada
2008 Ron Wolf
2008 Ron Wolf

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

ASTERACEAE

Lessingia nemaclada Lessingia nemaclada Lessingia nemaclada
1995 Arthur H. Bazell, M.D.
2010 Neal Kramer
2011 Vernon Smith

Lewisia rediviva    Bitter root
native
Perennial herb

MONTIACEAE

Lewisia rediviva Lewisia rediviva Lewisia rediviva
2006 David McClurg
2017 joaquin hale
2008 Neal Kramer

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

LIMNANTHACEAE

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

Limnanthes montana    Mountain meadowfoam
native
Annual herb

LIMNANTHACEAE

Limnanthes montana Limnanthes montana
2009 Neal Kramer
2007 Neal Kramer

Linanthus bicolor    True babystars
(currently Leptosiphon bicolor)
native
Annual herb

POLEMONIACEAE

Linanthus bicolor Linanthus bicolor Linanthus bicolor
2008 Steve Conger
2011 Neal Kramer
2015 John Doyen

Linanthus bolanderi    Bolander's linanthus
(currently Leptosiphon bolanderi)
native
Annual herb

POLEMONIACEAE

Linanthus bolanderi Linanthus bolanderi Linanthus bolanderi
2009 Steven Perry
2008 Keir Morse
2015 Aaron Arthur

Linanthus ciliatus    Whiskerbrush
(currently Leptosiphon ciliatus)
native
Annual herb

POLEMONIACEAE

Linanthus ciliatus Linanthus ciliatus Linanthus ciliatus
2001 Jeff Abbas
2016 Jim Moore
2018 Phil Johnson

Linanthus filipes    Thread linanthus
(currently Leptosiphon filipes)
native
Annual herb

POLEMONIACEAE

Linanthus filipes Linanthus filipes Linanthus filipes
2009 Barry Breckling
2015 John Doyen
2015 John Doyen

Linanthus pygmaeus    Pygmy linanthus
(currently Leptosiphon pygmaeus)
native
Annual herb

POLEMONIACEAE

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

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

SAXIFRAGACEAE

Lithophragma affine Lithophragma affine Lithophragma affine
2009 Keir Morse
2008 Neal Kramer
2017 Bonnie Nickel

Lolium multiflorum    Italian rye grass
(currently Festuca perennis)
invasive non-native
Annual, Perennial grass

POACEAE

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

Lolium perenne    Italian rye grass
(currently Festuca perennis)
invasive non-native
Annual, Perennial grass

POACEAE

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

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

APIACEAE

Lomatium congdonii Lomatium congdonii Lomatium congdonii
2012 Lynn Robertson
2012 Lynn Robertson
2012 Lynn Robertson

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

APIACEAE

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

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

APIACEAE

Lomatium utriculatum Lomatium utriculatum Lomatium utriculatum
2007 Lynn Watson
2017 David Greenberger
2015 James Gonsman

Lonicera interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera interrupta Lonicera interrupta Lonicera interrupta
2008 Chris Winchell
2008 Chris Winchell
2014 Debra L. Cook

Lotus humistratus    Short podded lotus
(currently Acmispon brachycarpus)
native
Annual herb

FABACEAE

Lotus humistratus Lotus humistratus Lotus humistratus
2006 James M. Andre
2018 Roisin Murphy-Deak
2011 Steven Perry

Lotus purshianus var. purshianus    American bird's foot trefoil,  Spanish lotus
(currently Acmispon americanus var. americanus)
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus Lotus purshianus var. purshianus Lotus purshianus var. purshianus
2009 Neal Kramer
2009 Keir Morse
2007 Dr. Mark S. Brunell

Lotus wrangelianus    Chilean trefoil
(currently Acmispon wrangelianus)
native
Annual herb

FABACEAE

Lotus wrangelianus Lotus wrangelianus Lotus wrangelianus
2018 Gary McDonald
2008 Keir Morse
2013 Gary McDonald

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

ONAGRACEAE

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

Lupinus benthamii    Bentham lupine,  Spider lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

Lupinus bicolor Lupinus bicolor Lupinus bicolor
2018 Karen Fraser
2004 Carol W. Witham
2014 Neal Kramer

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

FABACEAE

Lupinus microcarpus var. microcarpus Lupinus microcarpus var. microcarpus Lupinus microcarpus var. microcarpus
2003 George W. Hartwell
2011 Jorg & Mimi Fleige
2015 Zoya Akulova

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

FABACEAE

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

Madia elegans ssp. densifolia    Common madia
(currently Madia elegans)
native
Annual herb

ASTERACEAE

Madia elegans ssp. densifolia Madia elegans ssp. densifolia Madia elegans ssp. densifolia
2008 Lynn Watson
2004 Carol W. Witham
2018 Julian Geoghegan

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

ASTERACEAE

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

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

ASTERACEAE

Madia gracilis Madia gracilis Madia gracilis
2015 Debra L. Cook
2000 Joseph Dougherty/ecology.org
2004 George W. Hartwell

Meconella californica    California fairypoppy,  California meconella
native
Annual herb

PAPAVERACEAE

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

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

FABACEAE

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

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 Melica torreyana Melica torreyana
2012 Al Keuter
2012 Aaron Arthur
2002 James B. Gratiot

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

Melilotus indicus Melilotus indicus Melilotus indicus
2013 Debra L. Cook
2005 Cheri Miller
2009 Barry Breckling

Mentha spicata    Spearmint
non-native
Perennial herb

LAMIACEAE

Mentha spicata Mentha spicata Mentha spicata
2015 Debra L. Cook
2005 Louis-M. Landry
2014 Zoya Akulova

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

ASTERACEAE

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

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

ASTERACEAE

Microseris douglasii ssp. douglasii Microseris douglasii ssp. douglasii Microseris douglasii ssp. douglasii
2012 Neal Kramer
2012 Neal Kramer
2011 Zoya Akulova

Mimulus aurantiacus    Sticky monkeyflower
(currently Diplacus aurantiacus)
native
Shrub

PHRYMACEAE

Mimulus aurantiacus Mimulus aurantiacus Mimulus aurantiacus
2012 Andrea Williams (added as Mimulus aurantiacus)
2018 Matt C. Berger
2016 Chris Leslie

Mimulus congdonii    Congdon's monkeyflower
(currently Diplacus congdonii)
native
Annual herb

PHRYMACEAE

Mimulus congdonii Mimulus congdonii Mimulus congdonii
2015 Peter Warner
2009 Keir Morse
2010 Barry Breckling

Mimulus douglasii    Purple mouse ears
(currently Diplacus douglasii)
native
Annual herb

PHRYMACEAE

Mimulus douglasii Mimulus douglasii Mimulus douglasii
2018 Rick Wachs
2017 John Rawlings
2009 Keir Morse

Mimulus floribundus    Many flowered monkey flower
(currently Erythranthe floribunda)
native
Annual herb

PHRYMACEAE

Mimulus floribundus Mimulus floribundus Mimulus floribundus
2017 Ron Vanderhoff
2018 Adam Chasey
2018 Adam Chasey

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

PHRYMACEAE

Mimulus guttatus Mimulus guttatus Mimulus guttatus
2018 Cynthia Powell
2002 Lynn Watson
2015 James Gonsman

Minuartia californica    California sandwort,  Sandwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia californica Minuartia californica Minuartia californica
2015 John Doyen
2006 Steve Matson
2015 Aaron Schusteff

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

CARYOPHYLLACEAE

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

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa Monardella villosa Monardella villosa
2001 Jeff Abbas
2006 Dr. Mark S. Brunell
2007 Neal Kramer

Monolopia sp.   


Nassella pulchra    Purple needle grass
(currently Stipa pulchra)
native
Perennial grass

POACEAE

Nassella pulchra Nassella pulchra Nassella pulchra
2018 Gary McDonald
2006 Brent Miller
2018 Tristan Brenner

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

POLEMONIACEAE

Navarretia intertexta ssp. intertexta Navarretia intertexta ssp. intertexta Navarretia intertexta ssp. intertexta
2003 Penn Martin II
2018 Adam Chasey
2004 Carol W. Witham

Navarretia pubescens    Downy pincushionplant,  Purple navarretia
native
Annual herb

POLEMONIACEAE

Navarretia pubescens Navarretia pubescens Navarretia pubescens
2007 Neal Kramer
2015 Debra L. Cook
2001 George W. Hartwell

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa Navarretia squarrosa Navarretia squarrosa
2007 Neal Kramer
2011 Zoya Akulova
2013 Zoya Akulova

Nemophila maculata    Five spot,  Fivespot
native
Annual herb

BORAGINACEAE

Nemophila maculata Nemophila maculata Nemophila maculata
2009 Barry Breckling
2012 Dee Warenycia
2008 Dee Warenycia

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

TECOPHILAEACEAE

Odontostomum hartwegii Odontostomum hartwegii Odontostomum hartwegii
2006 Dr. Mark S. Brunell
2010 Barry Breckling
2014 Julie Kierstead Nelson

Orobanche fasciculata    Clustered broom rape,  Clustered broomrape,  Fascicled broom rape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata Orobanche fasciculata Orobanche fasciculata
2016 Jim Xerogeanes
2018 David Greenberger
2008 Keir Morse

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

POACEAE

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

Panicum hillmanii    Hillman's panicgrass
non-native
Annual grass

POACEAE


Parvisedum pumilum    Sierra mock stonecrop
(currently Sedella pumila)
native
Annual herb

CRASSULACEAE

Parvisedum pumilum Parvisedum pumilum Parvisedum pumilum
2005 Steve Matson
1981 Robert E. Preston, Ph.D.
2012 Barry Rice

Paspalum distichum    Knot grass,  Knotgrass
native
Perennial grass

POACEAE

Paspalum distichum Paspalum distichum Paspalum distichum
2011 Zoya Akulova
2015 Ryan Batten
2016 Neal Kramer

Pectocarya pusilla    Little combseed,  Little pectocarya
native
Annual herb

BORAGINACEAE

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

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

PTERIDACEAE

Pellaea mucronata Pellaea mucronata Pellaea mucronata
2009 Thomas Stoughton
2009 Thomas Stoughton
2005 Christopher L. Christie

Pentagramma triangularis    Gold back fern,  Goldenback fern
native
Fern

PTERIDACEAE

Pentagramma triangularis Pentagramma triangularis Pentagramma triangularis
2005 George W. Hartwell
2018 David popp
2018 Cynthia Powell

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

CARYOPHYLLACEAE

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

Phacelia cicutaria    Caterpillar phacelia
native
Annual herb

BORAGINACEAE

Phacelia cicutaria Phacelia cicutaria Phacelia cicutaria
2003 Lynn Watson
2012 Neal Kramer
2004 Dr. Mark S. Brunell

Phacelia imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata Phacelia imbricata Phacelia imbricata
2015 Debra L. Cook
2008 Thomas Stoughton
2018 Ron Vanderhoff

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

PINACEAE

Pinus sabiniana Pinus sabiniana Pinus sabiniana
2011 Jean Pawek
2008 Keir Morse
2008 Keir Morse

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

BORAGINACEAE

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

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

PLANTAGINACEAE

Plantago erecta Plantago erecta Plantago erecta
2007 Carol W. Witham
2018 Hector Borjas
2008 Margo Bors

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus Platystemon californicus Platystemon californicus
2018 Molly Nilsson
2007 Neal Kramer
2018 Karen Scheuermann

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa Plectritis ciliosa Plectritis ciliosa
2009 Barry Rice
2013 Jean Pawek
2009 Keir Morse

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

POACEAE

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

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

POACEAE

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

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

POACEAE

Poa secunda ssp. secunda Poa secunda ssp. secunda Poa secunda ssp. secunda
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

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

LAMIACEAE

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

Polygonum californicum    California knotweed
native
Annual herb

POLYGONACEAE

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

Polygonum persicaria    Spotted ladysthumb
(currently Persicaria maculosa)
non-native
Annual herb

POLYGONACEAE

Polygonum persicaria Polygonum persicaria Polygonum persicaria
2008 Keir Morse
2008 Louis-M. Landry
2008 Keir Morse

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

POACEAE

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

Potamogeton foliosus    Leafy pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton foliosus Potamogeton foliosus Potamogeton foliosus
2007 Neal Kramer
2005 Keir Morse
2007 Neal Kramer

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

ASTERACEAE

Pseudobahia heermannii Pseudobahia heermannii Pseudobahia heermannii
2015 John Doyen
2015 Debra L. Cook
2015 Debra L. Cook

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

ASTERACEAE

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

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

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens Pteridium aquilinum var. pubescens Pteridium aquilinum var. pubescens
2008 Keir Morse
2010 Keir Morse
2011 Zoya Akulova

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides Pterostegia drymarioides Pterostegia drymarioides
2005 James M. Andre
2005 James M. Andre
2015 Keir Morse

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii Quercus douglasii Quercus douglasii
1995 Saint Mary's College of California
2012 Aaron Arthur
2003 Joseph Dougherty/ecology.org

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

FAGACEAE

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

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus Ranunculus californicus Ranunculus californicus
2004 George W. Hartwell
2011 Hattie Brown
2009 Keir Morse

Ranunculus occidentalis    Western buttercup
native
Perennial herb

RANUNCULACEAE

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Rhamnus tomentella ssp. tomentella    Hoary coffeeberry
(currently Frangula californica ssp. tomentella)
native
Shrub

RHAMNACEAE

Rhamnus tomentella ssp. tomentella Rhamnus tomentella ssp. tomentella Rhamnus tomentella ssp. tomentella
2010 Barry Breckling
2013 Keir Morse
2015 Barry Breckling

Ribes malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

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

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

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

Rubus discolor    Elmleaf blackberry
(currently Rubus ulmifolius)
non-native
Vine, Shrub

ROSACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

Rumex crispus Rumex crispus Rumex crispus
2000 Joseph Dougherty/ecology.org
2009 Zoya Akulova
2004 Carol W. Witham

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

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

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

CARYOPHYLLACEAE

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

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

ALISMATACEAE

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

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata Salix laevigata Salix laevigata
2014 Zoya Akulova
2009 Keir Morse
2010 Neal Kramer

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis Salix lasiolepis Salix lasiolepis
2009 Neal Kramer
2012 Zoya Akulova
2008 Keir Morse

Salix melanopsis    Dusky willow
native
Tree, Shrub

SALICACEAE

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

Sambucus mexicana    Blue elderberry
(currently Sambucus nigra ssp. caerulea)
native
Shrub

ADOXACEAE

Sambucus mexicana Sambucus mexicana Sambucus mexicana
2008 Thomas Stoughton
2007 Neal Kramer
2018 James Gonsman

Sanicula bipinnatifida    Purple sanicle,  Snakeroot
native
Perennial herb

APIACEAE

Sanicula bipinnatifida Sanicula bipinnatifida Sanicula bipinnatifida
2018 Gary McDonald
2008 Keir Morse
2000 Bart and Susan Eisenberg

Sanicula tuberosa    Tuberous sanicle,  Turkey pea
native
Perennial herb

APIACEAE

Sanicula tuberosa Sanicula tuberosa Sanicula tuberosa
2015 Aaron Schusteff
2013 Terry Gosliner
2003 Steve Matson

Saxifraga sp.   


Scirpus americanus    Chairmaker's bulrush
(currently Schoenoplectus americanus)
native
Perennial grasslike herb

CYPERACEAE

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

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

CARYOPHYLLACEAE

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

Scribneria bolanderi    Scribner's grass,  Scribneria
native
Annual grass

POACEAE

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

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica Scrophularia californica Scrophularia californica
2018 Saskia Raether
2003 Michael Charters
2018 Mary Conway

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

SELAGINELLACEAE

Selaginella hansenii Selaginella hansenii Selaginella hansenii
2006 John Game
2017 John Game
2006 John Game

Senecio clevelandii var. heterophyllus    Red hills ragwort
native
Perennial herb

ASTERACEAE


Senecio layneae    Layne's ragwort
(currently Packera layneae)
native
Perennial herb

ASTERACEAE

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

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

MALVACEAE

Sidalcea calycosa Sidalcea calycosa Sidalcea calycosa
2009 Neal Kramer
2009 Ron Wolf
1993 Doreen L. Smith

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

MALVACEAE

Sidalcea hartwegii Sidalcea hartwegii Sidalcea hartwegii
2009 Ron Wolf
2015 John Doyen
2013 Jean Pawek

Sidalcea malviflora ssp. asprella    Harsh checker mallow
(currently Sidalcea asprella)
native
Perennial herb (rhizomatous)

MALVACEAE

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

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

CARYOPHYLLACEAE

Silene gallica Silene gallica Silene gallica
2004 Carol W. Witham
2008 Keir Morse
2007 Neal Kramer

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum Sisyrinchium bellum Sisyrinchium bellum
2006 Michelle Cloud-Hughes
2002 Lynn Watson
2004 Michelle Cloud-Hughes

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

SOLANACEAE

Solanum xanti Solanum xanti Solanum xanti
2006 Chris Wagner, SBNF
2011 Neal Kramer
2018 Liz Block

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

ASTERACEAE

Soliva sessilis Soliva sessilis Soliva sessilis
2007 Carol W. Witham
2002 Bart and Susan Eisenberg
2006 Steve Matson

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

ASTERACEAE

Sonchus asper ssp. asper Sonchus asper ssp. asper Sonchus asper ssp. asper
2011 Zoya Akulova
2006 Brent Miller
2010 Zoya Akulova

Sorghum halepense    Johnsongrass
invasive non-native
Perennial grass

POACEAE

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

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

CARYOPHYLLACEAE

Spergularia rubra Spergularia rubra Spergularia rubra
2008 Keir Morse
2008 Keir Morse
2014 Richard Chasey

Stachys stricta    Sonoma hedge nettle,  Sonoma hedgenettle
native
Perennial herb

LAMIACEAE

Stachys stricta Stachys stricta Stachys stricta
2012 George Jackson
2013 Jake Ruygt
2012 George Jackson

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

CARYOPHYLLACEAE

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

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

ASTERACEAE

Stephanomeria virgata Stephanomeria virgata Stephanomeria virgata
2010 Steven Thorsted
2009 Zoya Akulova
2008 Neal Kramer

Streptanthus polygaloides    Milkwort jewelflower
native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

Thysanocarpus curvipes Thysanocarpus curvipes Thysanocarpus curvipes
2018 Julie Kierstead Nelson
2014 Zoya Akulova
2001 Jeff Abbas

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum Toxicodendron diversilobum Toxicodendron diversilobum
2008 Gary McDonald
2018 Brad Christie
2008 Zoya Akulova

Trichostema rubisepalum    Hernandez bluecurls
native
Annual herb

LAMIACEAE

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

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

FABACEAE

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

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum Trifolium ciliolatum Trifolium ciliolatum
2009 Keir Morse
2018 Phil Johnson
2008 Zoya Akulova

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

FABACEAE

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

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum Trifolium hirtum Trifolium hirtum
2004 Carol W. Witham
2013 Zoya Akulova
2007 Neal Kramer

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

FABACEAE

Trifolium microcephalum Trifolium microcephalum Trifolium microcephalum
2004 Carol W. Witham
2008 Neal Kramer
2005 Steve Matson

Trifolium microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

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

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

FABACEAE

Trifolium variegatum Trifolium variegatum Trifolium variegatum
2004 Carol W. Witham
2011 Dylan Neubauer
2004 Carol W. Witham

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii Trifolium willdenovii Trifolium willdenovii
2015 Aaron Schusteff
2003 Dianne Fristrom
2004 Carol W. Witham

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

OROBANCHACEAE

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

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

OROBANCHACEAE

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

Triteleia bridgesii    Bridges' brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia bridgesii Triteleia bridgesii Triteleia bridgesii
2007 Carol W. Witham
2015 John Doyen
2006 Matt Below

Triteleia hyacinthina    White brodiaea,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Triteleia hyacinthina Triteleia hyacinthina Triteleia hyacinthina
2004 Carol W. Witham
2007 Neal Kramer
2018 Julian Geoghegan

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa Triteleia laxa Triteleia laxa
2007 Neal Kramer
2018 Eliezer Margolis
2016 Richard Spjut

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

TYPHACEAE

Typha angustifolia Typha angustifolia Typha angustifolia
2005 Louis-M. Landry
2014 Zoya Akulova
2007 Neal Kramer

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

TYPHACEAE

Typha latifolia Typha latifolia Typha latifolia
2004 Steve Matson
2009 Dr. Amadej Trnkoczy
2007 Neal Kramer

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi Uropappus lindleyi Uropappus lindleyi
2004 James M. Andre
2007 Neal Kramer
2018 Ron Vanderhoff

Velezia rigida    Velezia
non-native
Annual herb

CARYOPHYLLACEAE

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

Verbascum blattaria    Moth mullein
non-native
Perennial herb

SCROPHULARIACEAE

Verbascum blattaria Verbascum blattaria Verbascum blattaria
2006 David McClurg
2010 Barry Breckling
2008 Chris Wagner

Verbena californica    California vervain,  Red hills vervain
native
Perennial herb

VERBENACEAE

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

Verbena officinalis    Herb of the cross
non-native
Perennial herb

VERBENACEAE

Verbena officinalis Verbena officinalis
2007 Luigi Rignanese
1995 Saint Mary's College of California

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

PLANTAGINACEAE

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

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

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

Vicia sativa    Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa Vicia sativa Vicia sativa
2007 Luigi Rignanese
2006 Joseph Dougherty/ecology.org
J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences

Vulpia bromoides    Brome fescue
(currently Festuca bromoides)
non-native
Annual grass

POACEAE

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

Vulpia microstachys var. ciliata    Small fescue
(currently Festuca microstachys)
native
Annual grass

POACEAE

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

Vulpia microstachys var. confusa    Small fescue
(currently Festuca microstachys)
native
Annual grass

POACEAE

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

Vulpia microstachys var. microstachys    Small fescue
(currently Festuca microstachys)
native
Annual grass

POACEAE

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

Vulpia microstachys var. pauciflora    Small fescue
(currently Festuca microstachys)
native
Annual grass

POACEAE

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

Vulpia myuros    Rattail sixweeks grass
(currently Festuca myuros)
invasive non-native
Annual grass

POACEAE

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

Vulpia myuros var. hirsuta    Rattail sixweeks grass
(currently Festuca myuros)
invasive non-native
Annual grass

POACEAE

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium Xanthium strumarium Xanthium strumarium
2008 John Dittes
2014 Neal Kramer
2018 Ron Vanderhoff

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

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

Zigadenus fremontii    Fremont's star lily,  Fremont's death camas
(currently Toxicoscordion fremontii)
native
Perennial herb

MELANTHIACEAE

Zigadenus fremontii Zigadenus fremontii Zigadenus fremontii
2011 Neal Kramer
2009 Neal Kramer
2018 Cynthia Powell