logo Calflora Illustrated Plant List 


San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-08)

Record Detail Nearby Surveys What Grows Here?
314 PLANTS
native
Tree, Shrub

ROSACEAE

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

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

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

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

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

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
2016 Debra L. Cook
Agoseris heterophylla var. cryptopleura
2012 Barry Rice
Agoseris heterophylla var. cryptopleura
2016 Debra L. Cook

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

Ambrosia acanthicarpa    Annual bursage,  Annual burweed
native
Annual herb

ASTERACEAE

Ambrosia acanthicarpa
2009 Steve Matson
Ambrosia acanthicarpa
2013 Steve Matson
Ambrosia acanthicarpa
2009 Neal Kramer

Amorpha californica var. californica    California false indigo
native
Shrub

FABACEAE

Amorpha californica var. californica
2019 Ron Vanderhoff
Amorpha californica var. californica
2019 John L. Thompson
Amorpha californica var. californica
2019 Ron Vanderhoff

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

Amsinckia menziesii    Menzies' fiddleneck,  Small flowered fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii
2019 Ron Vanderhoff
Amsinckia menziesii
2018 Gary McDonald
Amsinckia menziesii
2015 Jesse Rorabaugh

Anthriscus caucalis    Bur chervil,  Bur chevril
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
2017 Diane Etchison
Anthriscus caucalis
2003 Michael Charters
Anthriscus caucalis
2020 Jennifer Mo

Antirrhinum kelloggii    Climbing snapdragon,  Kellogg's snapdragon,  Lax snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum kelloggii
2009 Keir Morse
Antirrhinum kelloggii
2018 Joshua Borkowski
Antirrhinum kelloggii
2017 Rebecca Schoenenberger

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

ROSACEAE

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

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

OROBANCHACEAE


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

APIACEAE

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

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

VISCACEAE

Arceuthobium occidentale
2016 Richard Spjut
Arceuthobium occidentale
2019 Talila Golan
Arceuthobium occidentale
2009 Keir Morse

Arctostaphylos glauca    Big berry manzanita,  Bigberry manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos glauca
2020 Angelique Herman
Arctostaphylos glauca
2018 Ron Vanderhoff
Arctostaphylos glauca
2020 Susan McDougall

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

ASTERACEAE

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

Asclepias eriocarpa    Indian milkweed,  Kotolo milkweed,  Woolypod milkweed
native
Perennial herb

APOCYNACEAE

Asclepias eriocarpa
2018 Jennifer Poore
Asclepias eriocarpa
2019 Cliff Halverson
Asclepias eriocarpa
2019 Ron Vanderhoff

Astragalus douglasii var. douglasii    Douglas's milkvetch
native
Perennial herb

FABACEAE

Astragalus douglasii var. douglasii
2012 Gary McDonald
Astragalus douglasii var. douglasii
2014 Neal Kramer
Astragalus douglasii var. douglasii
2017 Keir Morse

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

BRASSICACEAE

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

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

POACEAE

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

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

POACEAE

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

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

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

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

ASTERACEAE

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

Barbarea orthoceras    American rocket,  American wintercress,  Erectpod wintercress
native
Perennial herb

BRASSICACEAE

Barbarea orthoceras
2014 Susan McDougall
Barbarea orthoceras
2013 Debra L. Cook
Barbarea orthoceras
2014 Susan McDougall

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

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

POACEAE

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

Bromus arenarius    Australian brome,  Australian chess
non-native
Annual grass

POACEAE

Bromus arenarius
2019 Ron Vanderhoff
Bromus arenarius
2009 Keir Morse
Bromus arenarius
2019 Ron Vanderhoff

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Bromus tectorum    Cheatgrass, downy brome,  Downy brome grass,  Downy chess
invasive non-native
Annual grass

POACEAE

Bromus tectorum
2008 Gary A. Monroe
Bromus tectorum
2019 Ron Vanderhoff
Bromus tectorum
2018 Sarah Inman

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

MONTIACEAE

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

Calandrinia ciliata    Red maids
native
Annual herb

MONTIACEAE

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

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Calochortus simulans    San luis obispo mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus simulans
2019 David Greenberger
Calochortus simulans
2019 David Greenberger
Calochortus simulans
2011 Aaron E. Sims

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

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

Calystegia longipes    Paiute false bindweed,  Piute morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia longipes
2015 Debra L. Cook
Calystegia longipes
2016 Keir Morse
Calystegia longipes
2015 Debra L. Cook

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

CONVOLVULACEAE

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

Camissonia contorta    Contorted sun cup,  Plains evening primrose
native
Annual herb

ONAGRACEAE

Camissonia contorta
2009 Keir Morse
Camissonia contorta
2014 Jean Pawek
Camissonia contorta
2009 Keir Morse

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

ONAGRACEAE

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

Camissoniopsis hardhamiae    Hardham's evening-primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis hardhamiae
2019 David Greenberger
Camissoniopsis hardhamiae
1981 California Native Plant Society
Camissoniopsis hardhamiae
2013 Chris Winchell

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

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

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
2019 Gary McDonald
Carduus pycnocephalus
2008 Zoya Akulova
Carduus pycnocephalus
2006 Chris Wagner, SBNF

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

OROBANCHACEAE

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

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

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

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

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

Ceanothus leucodermis    Chaparral whitethorn
native
Shrub

RHAMNACEAE

Ceanothus leucodermis
2020 Bryant Baker
Ceanothus leucodermis
2019 Ron Vanderhoff
Ceanothus leucodermis
2020 Bryant Baker

Centaurea benedicta    Blessed thistle
non-native
Annual herb

ASTERACEAE

Centaurea benedicta
2009 Neal Kramer
Centaurea benedicta
2008 Luigi Rignanese
Centaurea benedicta
2006 Chris Wagner, SBNF

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

ASTERACEAE

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

Centaurea solstitialis    Barnaby's thistle,  Yellow star thistle
invasive non-native
Annual herb

ASTERACEAE

Centaurea solstitialis
2004 Carol W. Witham
Centaurea solstitialis
2019 Arlee Montalvo
Centaurea solstitialis
2008 Luigi Rignanese

Centromadia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

Centromadia pungens ssp. pungens
2010 Zoya Akulova
Centromadia pungens ssp. pungens
2007 Neal Kramer
Centromadia pungens ssp. pungens
2011 Neal Kramer

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

Cercocarpus betuloides var. betuloides    Birch leaf mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
2012 Gary McDonald
Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff

Chaenactis glabriuscula var. glabriuscula    Common yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. glabriuscula
2020 David Greenberger
Chaenactis glabriuscula var. glabriuscula
2020 R.A. Chasey
Chaenactis glabriuscula var. glabriuscula
2020 R.A. Chasey

Chaenactis glabriuscula var. lanosa    Pincushion flower,  Woolly yellow chaenactis
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. lanosa
2008 Keir Morse
Chaenactis glabriuscula var. lanosa
2008 Keir Morse
Chaenactis glabriuscula var. lanosa
2019 Susan McDougall

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

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

Chenopodium pratericola    Desert goosefoot,  Meadow goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium pratericola
2018 Gerald Carr
Chenopodium pratericola
2018 Gerald Carr
Chenopodium pratericola
2018 Gerald Carr

Chondrilla juncea    Hogbite,  Skeleton weed
invasive non-native
Perennial herb

ASTERACEAE

Chondrilla juncea
2019 Aaron Echols
Chondrilla juncea
2017 Amanda Weiss
Chondrilla juncea
2015 John L. Thompson

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

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

Chorizanthe rectispina    Prickly spineflower,  Straight awned spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe rectispina
1982 California Native Plant Society
Chorizanthe rectispina
2001 Kevin Merk
Chorizanthe rectispina
2013 Chris Winchell

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

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

Cirsium occidentale var. venustum    Cobwebby thistle,  Red thistle,  Venus thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. venustum
2004 David A. Tharp
Cirsium occidentale var. venustum
2010 James M. Andre
Cirsium occidentale var. venustum
2020 Sara Timby

Clarkia cylindrica ssp. cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica ssp. cylindrica
2019 David Greenberger
Clarkia cylindrica ssp. cylindrica
2019 Bryant Baker
Clarkia cylindrica ssp. cylindrica
2012 Neal Kramer

Clarkia modesta    Waltham creek clarkia
native
Annual herb

ONAGRACEAE

Clarkia modesta
2020 David Greenberger
Clarkia modesta
2011 Vernon Smith
Clarkia modesta
2020 Steve Laymon

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

ONAGRACEAE

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

Clarkia speciosa ssp. speciosa    Red spot clarkia,  Redspot clarkia
native
Annual herb

ONAGRACEAE

Clarkia speciosa ssp. speciosa
2005 Keir Morse
Clarkia speciosa ssp. speciosa
2011 Aaron Schusteff
Clarkia speciosa ssp. speciosa
2013 Robert Steers/NPS

Clarkia unguiculata    Elegant clarkia,  Mountain garland,  Woodland clarkia
native
Annual herb

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2020 Steve Laymon
Clarkia unguiculata
2020 David Wolfson

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

MONTIACEAE

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

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

MONTIACEAE

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

Collinsia bartsiifolia var. davidsonii    Davidson's blue eyed mary,  Davidson's collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia bartsiifolia var. davidsonii
2009 Keir Morse
Collinsia bartsiifolia var. davidsonii
2005 Christopher L. Christie
Collinsia bartsiifolia var. davidsonii
2005 Christopher L. Christie

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla
2019 Jacob Smith
Collinsia heterophylla
2019 David Greenberger
Collinsia heterophylla
2019 Jacob Smith

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 rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
2009 Keir Morse
Cordylanthus rigidus ssp. rigidus
2013 Neal Kramer
Cordylanthus rigidus ssp. rigidus
2019 R.A. Chasey

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

CRASSULACEAE

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

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

CRASSULACEAE

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

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

CISTACEAE

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

Cryptantha clevelandii var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii var. florosa
2011 Steve Matson
Cryptantha clevelandii var. florosa
2020 Ryan Carle
Cryptantha clevelandii var. florosa
2011 Steve Matson

Cryptantha corollata    Coast range cryptantha
native
Annual herb

BORAGINACEAE


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

BORAGINACEAE

Cryptantha flaccida
2009 Neal Kramer
Cryptantha flaccida
2018 Alice Cummings
Cryptantha flaccida
2016 Cindy Roessler

Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
2019 Ron Vanderhoff

Cryptantha microstachys    Popcorn flower,  Tejon cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha microstachys
2019 Diane Etchison
Cryptantha microstachys
2018 Ron Vanderhoff
Cryptantha microstachys
2017 Diane Etchison

Cuscuta subinclusa    Canyon dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa
2008 Neal Kramer
Cuscuta subinclusa
2003 Michelle Cloud-Hughes
Cuscuta subinclusa
2017 Trevor Schalla

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

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

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

SOLANACEAE

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

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

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

Deinandra kelloggii    Kellogg's tarweed
native
Annual herb

ASTERACEAE

Deinandra kelloggii
2009 Neal Kramer
Deinandra kelloggii
2019 Dave Beller
Deinandra kelloggii
2016 Keir Morse

Deinandra pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2015 Richard Spellenberg

Delphinium parryi ssp. blochmaniae    Blochman's larkspur,  Dune larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. blochmaniae
1999 Christopher L. Christie
Delphinium parryi ssp. blochmaniae
Rick York and CNPS

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

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

Descurainia sophia    Flix weed,  Herb sophia
invasive non-native
Annual herb

BRASSICACEAE

Descurainia sophia
2009 Thomas Stoughton
Descurainia sophia
2015 Debra L. Cook
Descurainia sophia
2009 Thomas Stoughton

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

THEMIDACEAE

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

Diplacus aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

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

Diplacus fremontii    Fremont's monkeyflower
native
Annual herb

PHRYMACEAE

Diplacus fremontii
2016 Alison Sheehey
Diplacus fremontii
2016 Alison Sheehey
Diplacus fremontii
2019 David Greenberger

Dodecatheon clevelandii    Padre's shooting star
native
Perennial herb

PRIMULACEAE

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

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

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

Ehrendorferia chrysantha    Golden eardrops
native
Perennial herb

PAPAVERACEAE

Ehrendorferia chrysantha
2019 Ron Vanderhoff
Ehrendorferia chrysantha
2019 Ron Vanderhoff
Ehrendorferia chrysantha
2019 Ron Vanderhoff

Elymus glaucus ssp. virescens    Blue wildrye,  Virginia wildrye
native
Perennial grass

POACEAE

Elymus glaucus ssp. virescens
2013 Robert Steers/NPS
Elymus glaucus ssp. virescens
2017 Ron Vanderhoff
Elymus glaucus ssp. virescens
2017 Ron Vanderhoff

Emmenanthe penduliflora var. penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

BORAGINACEAE

Emmenanthe penduliflora var. penduliflora
2018 Ron Vanderhoff
Emmenanthe penduliflora var. penduliflora
2015 Barry Thomson
Emmenanthe penduliflora var. penduliflora
2014 Ruth Ann Pearsons

Epilobium brachycarpum    Annual fireweed,  Autumn willowweed,  Panicled willow herb
native
Annual herb

ONAGRACEAE

Epilobium brachycarpum
2016 Ron Vanderhoff
Epilobium brachycarpum
2016 Keir Morse
Epilobium brachycarpum
2018 Ron Vanderhoff

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

ONAGRACEAE

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

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

ONAGRACEAE

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

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

ONAGRACEAE

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

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

EQUISETACEAE

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

Eriastrum luteum    Yellow flowered eriastrum,  Yellow woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum luteum
2005 Aaron Schusteff
Eriastrum luteum
2011 Chris Winchell

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

Eriodictyon tomentosum    Woolly yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon tomentosum
2008 Keir Morse
Eriodictyon tomentosum
2008 Neal Kramer
Eriodictyon tomentosum
2008 Neal Kramer

Eriogonum baileyi var. baileyi    Bailey's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum baileyi var. baileyi
2005 Steve Matson
Eriogonum baileyi var. baileyi
2014 John Doyen
Eriogonum baileyi var. baileyi
2013 Steve Matson

Eriogonum elegans    Elegant buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum elegans
2009 Keir Morse
Eriogonum elegans
2009 Keir Morse

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum
2017 Ron Vanderhoff
Eriogonum elongatum var. elongatum
2019 Aaron Echols
Eriogonum elongatum var. elongatum
2009 Keir Morse

Eriogonum fasciculatum var. foliolosum    California buckwheat,  Eastern mojave buckwheat,  Red topped buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. foliolosum
2017 John Doyen
Eriogonum fasciculatum var. foliolosum
2009 Keir Morse
Eriogonum fasciculatum var. foliolosum
2017 John Doyen

Eriogonum gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum roseum
2003 Christopher L. Christie
Eriogonum roseum
2011 Neal Kramer
Eriogonum roseum
2019 Matt Berger

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

ASTERACEAE

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

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

ASTERACEAE

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

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

GERANIACEAE

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

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. capitatum
2008 Keir Morse
Erysimum capitatum var. capitatum
2008 Keir Morse
Erysimum capitatum var. capitatum
2020 Susan McDougall

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

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

Erythranthe floribunda    Many flowered monkey flower
native
Annual herb

PHRYMACEAE

Erythranthe floribunda
2020 Belinda Lo
Erythranthe floribunda
2019 Ron Vanderhoff
Erythranthe floribunda
2017 Ron Vanderhoff

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

PHRYMACEAE

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

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

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

BORAGINACEAE

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

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

Eulobus californicus
2019 Elexis Padron
Eulobus californicus
2019 Ron Vanderhoff
Eulobus californicus
2015 Diane Etchison

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Festuca octoflora    Sixweeks grass
native
Annual grass

POACEAE

Festuca octoflora
2009 Neal Kramer
Festuca octoflora
2013 Robert Steers/NPS
Festuca octoflora
2005 Steve Matson

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

POACEAE

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

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

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

Fremontodendron californicum    California flannelbush,  California fremontia,  Flannel bush
native
Shrub

MALVACEAE

Fremontodendron californicum
2018 Ken Hickman
Fremontodendron californicum
2018 susan Bashore
Fremontodendron californicum
2020 Tom Ballinger

Galium andrewsii    Needlemat galium,  Phlox leaved bedstraw,  Phloxleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii
2018 Gary McDonald
Galium andrewsii
2019 Marisa Persaud
Galium andrewsii
2012 Gary McDonald

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

RUBIACEAE

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

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

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

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense
2009 Barry Breckling
Galium parisiense
2019 Diane Etchison
Galium parisiense
2005 Keir Morse

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

RUBIACEAE

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

native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. achilleifolia
2009 Keir Morse
Gilia achilleifolia ssp. achilleifolia
2003 Christopher L. Christie
Gilia achilleifolia ssp. achilleifolia
2018 Steven Perry

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
2019 Ken Hickman
Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald

Gilia ochroleuca ssp. minima    Volcanic gilia
native
Annual herb

POLEMONIACEAE

Gilia ochroleuca ssp. minima
2008 Michael Charters
Gilia ochroleuca ssp. minima
2016 Steve Matson
Gilia ochroleuca ssp. minima
2016 Steve Matson

Gilia tenuiflora ssp. amplifaucalis    Greater yellowthroat gilia,  Spreading slender flowered gilia
native
Annual herb

POLEMONIACEAE


Githopsis diffusa ssp. robusta    San gabriel bluecup
native
Annual herb

CAMPANULACEAE

Githopsis diffusa ssp. robusta
2012 Anuja Parikh and Nathan Gale
Githopsis diffusa ssp. robusta
2012 Aaron Arthur
Githopsis diffusa ssp. robusta
2012 Anuja Parikh and Nathan Gale

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre
2019 Ron Vanderhoff
Gnaphalium palustre
2019 Ron Vanderhoff
Gnaphalium palustre
2019 Ron Vanderhoff

Hazardia stenolepis    Narrow scaled goldenbush,  Serpentine bristleweed
native
Shrub (stem succulent)

ASTERACEAE

Hazardia stenolepis
2011 George Butterworth
Hazardia stenolepis
2012 George Butterworth
Hazardia stenolepis
2012 George Butterworth

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

Helianthus bolanderi    Bolander's sunflower,  Serpentine sunflower
native
Annual, Perennial herb

ASTERACEAE

Helianthus bolanderi
2008 Lynn Watson
Helianthus bolanderi
2013 Scot Loring
Helianthus bolanderi
2011 Barry Breckling

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

URTICACEAE

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

Hesperomecon linearis    Narrowleaf queen poppy
native
Annual herb

PAPAVERACEAE

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

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

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

Heterotheca sessiliflora ssp. echioides    Bristly goldenaster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2008 Keir Morse
Heterotheca sessiliflora ssp. echioides
2005 Michael Charters

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

BRASSICACEAE

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

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

POACEAE

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

Hordeum vulgare    Common barley
non-native
Annual grass

POACEAE

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

Horkelia yadonii    Santa lucia horkelia
native
Perennial herb (rhizomatous)

ROSACEAE

Horkelia yadonii
2004 Laura Ann Eliassen
Horkelia yadonii
2012 Chris Winchell
Horkelia yadonii
2012 Chris Winchell

Hulsea heterochroma    Red rayed hulsea,  Redray alpinegold
native
Perennial herb

ASTERACEAE

Hulsea heterochroma
2019 Bryant Baker
Hulsea heterochroma
2003 Hartmut Wisch
Hulsea heterochroma
2017 Ginny Wolfe Schankerman

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

native
Annual grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juncus dubius    Dubius rush,  Mariposa rush
native
Perennial grasslike herb

JUNCACEAE

Juncus dubius
2015 Keir Morse
Juncus dubius
2010 Aaron Arthur
Juncus dubius
2015 Keir Morse

Juncus macrophyllus    Long leaved rush,  Longleaf rush,  Rush
native
Perennial grasslike herb

JUNCACEAE

Juncus macrophyllus
2019 Ron Vanderhoff
Juncus macrophyllus
2019 Ron Vanderhoff
Juncus macrophyllus
2004 Steve Matson

Keckiella cordifolia    Climbing penstemon,  Heart leaved keckiella,  Heartleaf keckiella
native
Shrub

PLANTAGINACEAE

Keckiella cordifolia
2020 Ron Vanderhoff
Keckiella cordifolia
2018 Diane Etchison
Keckiella cordifolia
2019 Aaron Echols

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

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2017 Diane Etchison
Lactuca serriola
2020 Ryan Carle

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
1996 Doreen L. Smith
Lagophylla ramosissima
2011 Chris Winchell
Lagophylla ramosissima
2005 Michael Charters

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

LAMIACEAE

Lamium amplexicaule
2020 Jennifer Mo
Lamium amplexicaule
2015 Diane Etchison
Lamium amplexicaule
2003 Michael Charters

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

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

BRASSICACEAE

Lepidium nitidum
2020 Linda Pardy
Lepidium nitidum
2019 Gary McDonald
Lepidium nitidum
2016 Steve Matson

Lessingia pectinata var. tenuipes    Sticky lessingia
native
Annual herb

ASTERACEAE

Lessingia pectinata var. tenuipes
2008 Keir Morse
Lessingia pectinata var. tenuipes
2012 Neal Kramer
Lessingia pectinata var. tenuipes
2012 Neal Kramer

Lessingia tenuis    Spring lessingia
native
Annual herb

ASTERACEAE

Lessingia tenuis
2010 Aaron Schusteff
Lessingia tenuis
2002 Kevin Merk
Lessingia tenuis
2009 Barry Breckling

Linanthus californicus    Prickly phlox
native
Shrub

POLEMONIACEAE

Linanthus californicus
2018 Ron Vanderhoff
Linanthus californicus
2020 Matt Berger
Linanthus californicus
2018 Ron Vanderhoff

Linanthus parryae    Parry's linanthus,  Sand blossoms,  Sandblossoms
native
Annual herb

POLEMONIACEAE

Linanthus parryae
2019 Mitchell Coleman
Linanthus parryae
2020 Lisa Berry
Linanthus parryae
2016 Keir Morse

Lithophragma cymbalaria    Mission star,  Mission woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma cymbalaria
2020 Bryant Baker
Lithophragma cymbalaria
2020 Bryant Baker
Lithophragma cymbalaria
2014 Steve Matson

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
2007 Neal Kramer
Lithophragma heterophyllum
2014 Neal Kramer
Lithophragma heterophyllum
2018 Gail Johnson

Loeflingia squarrosa    Spreading loeflingia,  Spreading pygmyleaf
native
Annual herb

CARYOPHYLLACEAE

Loeflingia squarrosa
2008 Keir Morse
Loeflingia squarrosa
2016 John Doyen
Loeflingia squarrosa
2008 Keir Morse

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

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

APIACEAE

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

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2018 Chico Hiking Association

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

Lupinus albifrons var. albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons var. albifrons
2008 Keir Morse
Lupinus albifrons var. albifrons
2020 Susan McDougall
Lupinus albifrons var. albifrons
2020 Susan McDougall

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

FABACEAE

Lupinus bicolor
2019 Gary McDonald
Lupinus bicolor
2018 Stacie Wolny
Lupinus bicolor
2019 Ron Vanderhoff

Lupinus concinnus    Bajada lupine,  Elegant lupine,  Scarlet lupine
native
Annual herb

FABACEAE

Lupinus concinnus
2016 Ron Vanderhoff
Lupinus concinnus
2017 Aaron Echols
Lupinus concinnus
2019 Ron Vanderhoff

Lupinus hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

Lupinus hirsutissimus
2020 Bryant Baker
Lupinus hirsutissimus
2020 Bryant Baker
Lupinus hirsutissimus
2020 Bryant Baker

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

FABACEAE

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

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
2020 Amy Rapport
Madia elegans
2017 Michelle Bosch
Madia elegans
2018 Amy Rapport

Malacothamnus jonesii    Jones's bush mallow
native
Shrub

MALVACEAE

Malacothamnus jonesii
2017 Keir Morse
Malacothamnus jonesii
2017 Keir Morse
Malacothamnus jonesii
2017 Keir Morse

Malacothrix clevelandii    Cleveland's dandelion,  Cleveland's desertdandelion,  Cleveland's malacothrix
native
Annual herb

ASTERACEAE

Malacothrix clevelandii
2008 Keir Morse
Malacothrix clevelandii
2011 Neal Kramer
Malacothrix clevelandii
2009 Robert Steers

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

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

FABACEAE

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

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

POACEAE

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

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

Melilotus indicus
2009 Barry Breckling
Melilotus indicus
2005 Cheri Miller
Melilotus indicus
2009 Neal Kramer

Mentzelia micrantha    Chaparral blazing star,  San Luis blazingstar,  San Luis stick leaf
native
Annual herb

LOASACEAE

Mentzelia micrantha
2019 Ron Vanderhoff
Mentzelia micrantha
2019 Rachelle Gray
Mentzelia micrantha
2005 Deborah Dozier

Mimetanthe pilosa    Snouted monkey flower
native
Annual herb

PHRYMACEAE

Mimetanthe pilosa
2019 Matt Berger
Mimetanthe pilosa
2020 Belinda Lo
Mimetanthe pilosa
2019 Ron Vanderhoff

Mimulus cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

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

Mimulus floribundus    Many flowered monkey flower
native
Annual herb

PHRYMACEAE

Mimulus floribundus
2020 Belinda Lo
Mimulus floribundus
2019 Ron Vanderhoff
Mimulus floribundus
2017 Ron Vanderhoff

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

PHRYMACEAE

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

Mimulus subsecundus    One sided monkeyflower,  Onesided monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus subsecundus
2009 Barry Breckling
Mimulus subsecundus
2009 Barry Breckling

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

CARYOPHYLLACEAE

Minuartia douglasii
2005 Steve Matson
Minuartia douglasii
2015 Barry Thomson
Minuartia douglasii
2014 Keir Morse

Monardella breweri ssp. breweri    Brewer's monardella
native
Annual herb

LAMIACEAE

Monardella breweri ssp. breweri
2012 Terrence Gosliner
Monardella breweri ssp. breweri
2019 Manzanita Dictionary

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

Mucronea perfoliata
2003 Christopher L. Christie
Mucronea perfoliata
2009 Neal Kramer
Mucronea perfoliata
2015 Keir Morse

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

Muhlenbergia rigens
2004 Steve Matson
Muhlenbergia rigens
2012 Neal Kramer
Muhlenbergia rigens
2018 Cynthia Powell

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

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

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

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

Nemacladus ramosissimus    Nuttall's nemacladus,  Smallflower threadplant
native
Annual herb

CAMPANULACEAE

Nemacladus ramosissimus
2013 Keir Morse
Nemacladus ramosissimus
2010 Keir Morse
Nemacladus ramosissimus
2010 Keir Morse

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

BORAGINACEAE

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

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

Nicotiana quadrivalvis
2015 Debra L. Cook
Nicotiana quadrivalvis
2012 Ron Wolf
Nicotiana quadrivalvis
2016 Steven M Norris

Nuttallanthus texanus    Blue toadflax
native
Annual, Perennial herb

PLANTAGINACEAE

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

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Papaver californicum    Fire poppy,  Western poppy
native
Annual herb

PAPAVERACEAE

Papaver californicum
2014 Ron Vanderhoff
Papaver californicum
2020 Bryant Baker
Papaver californicum
2020 Bryant Baker

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

Papaver heterophyllum
2017 Gary McDonald
Papaver heterophyllum
2014 Stephen Rosenthal
Papaver heterophyllum
2007 Neal Kramer

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

BORAGINACEAE

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

Pedicularis densiflora    Warrior's plume,  Indian warrior
native
Perennial herb

OROBANCHACEAE

Pedicularis densiflora
2009 Ron Vanderhoff
Pedicularis densiflora
2020 Bryant Baker
Pedicularis densiflora
2019 Eliezer Margolis

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

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

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

PTERIDACEAE

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

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

Penstemon centranthifolius
2003 Christopher L. Christie
Penstemon centranthifolius
2002 Lynn Watson
Penstemon centranthifolius
2009 Keir Morse

native
Fern

PTERIDACEAE

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

Phacelia brachyloba    Short lobed phacelia,  Shortlobe phacelia
native
Annual herb

BORAGINACEAE

Phacelia brachyloba
2020 Ron Vanderhoff
Phacelia brachyloba
2020 Aaron Echols
Phacelia brachyloba
2019 Matt Berger

Phacelia distans    Common phacelia,  Distant phacelia,  Wild heliotrope
native
Annual herb

BORAGINACEAE

Phacelia distans
2020 Ron Vanderhoff
Phacelia distans
2019 Diane Etchison
Phacelia distans
2008 Keir Morse

Phacelia douglasii var. douglasii    Douglas' phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia rattanii    Rattan's phacelia
native
Annual herb

BORAGINACEAE

Phacelia rattanii
2008 Ron Wolf
Phacelia rattanii
1995 Saint Mary's College of California
Phacelia rattanii
2008 Ron Wolf

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

BORAGINACEAE

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

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

BORAGINACEAE

Pholistoma membranaceum
2004 James M. Andre
Pholistoma membranaceum
2005 Aaron Schusteff
Pholistoma membranaceum
2014 Debra L. Cook

Phoradendron leucarpum    American mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron leucarpum
2020 Bryant Baker
Phoradendron leucarpum
2020 Bryant Baker
Phoradendron leucarpum
2020 Bryant Baker

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum
2018 Susan McDougal
Phoradendron villosum
2019 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 canescens    Grey popcorn flower,  Valley popcorn flower,  Valley popcornflower
native
Annual herb

BORAGINACEAE

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

Plagiobothrys collinus var. fulvescens    California popcornflower,  Cooper's popcornflower,  Popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys collinus var. fulvescens
2011 Steve Matson
Plagiobothrys collinus var. fulvescens
2011 Steve Matson
Plagiobothrys collinus var. fulvescens
2011 Steve Matson

Plagiobothrys nothofulvus    Rusty haired popcorn flower,  Rusty popcorn flower,  Rusty popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2019 Diane Etchison
Plagiobothrys nothofulvus
2019 Ron Vanderhoff

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

Plagiobothrys uncinatus    Hooked popcorn flower,  Salinas valley popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys uncinatus
2008 Keir Morse
Plagiobothrys uncinatus
2014 Jean Pawek
Plagiobothrys uncinatus
2000 Dean Wm. Taylor

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

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2019 Matt Berger
Platystemon californicus
2018 Karen Scheuermann
Platystemon californicus
2007 Neal Kramer

Plectritis 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 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

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

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
2003 Michael Charters
Populus fremontii ssp. fremontii
2020 Susan McDougall
Populus fremontii ssp. fremontii
2020 Susan McDougall

Prunus ilicifolia ssp. ilicifolia    Holly leaf cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia ssp. ilicifolia
2012 Gary McDonald
Prunus ilicifolia ssp. ilicifolia
2002 Charles E. Jones
Prunus ilicifolia ssp. ilicifolia
2010 Neal Kramer

native
Perennial herb

ASTERACEAE

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

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

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

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

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

FAGACEAE

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

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2019 Susan McDougall
Quercus douglasii
2015 Jean B Henney
Quercus douglasii
2018 Gary McDonald

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
2013 Susan McDougall
Quercus lobata
2008 Keir Morse
Quercus lobata
2014 Neal Kramer

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

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

Ranunculus hebecarpus    Delicate buttercup,  Pubescent fruited buttercup,  Slender annual buttercup
native
Annual herb

RANUNCULACEAE

Ranunculus hebecarpus
2008 Steve Matson
Ranunculus hebecarpus
2015 Zoya Akulova
Ranunculus hebecarpus
2019 Ron Vanderhoff

Raphanus raphanistrum    Jointed charlock,  Painted charlock,  Wild radish
non-native
Annual, Perennial herb

BRASSICACEAE

Raphanus raphanistrum
2008 Keir Morse
Raphanus raphanistrum
2009 Irene Lindsey
Raphanus raphanistrum
2004 Carol W. Witham

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
2015 stephen rosenthal
Rhamnus ilicifolia
2016 James Gonsman
Rhamnus ilicifolia
2020 Susan McDougall

Rhus aromatica    Fragrant sumac
native
Shrub

ANACARDIACEAE

Rhus aromatica
2019 Ron Vanderhoff
Rhus aromatica
2020 Bryant Baker
Rhus aromatica
2019 Bryant Baker

Ribes malvaceum var. indecorum    White flowering currant,  Whiteflower currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. indecorum
2020 Diane Etchison
Ribes malvaceum var. indecorum
2020 Diane Etchison
Ribes malvaceum var. indecorum
2019 Diane Etchison

Ribes malvaceum var. malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. malvaceum
2020 Ron Vanderhoff
Ribes malvaceum var. malvaceum
2012 Ron Vanderhoff
Ribes malvaceum var. malvaceum
2020 Ron Vanderhoff

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

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

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

POLYGONACEAE

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

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
2007 Neal Kramer
Rumex kerneri
2011 Neal Kramer

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

CARYOPHYLLACEAE

Sabulina douglasii
2005 Steve Matson
Sabulina douglasii
2015 Barry Thomson
Sabulina douglasii
2014 Keir Morse

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

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

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Sambucus nigra ssp. caerulea    Blue elderberry
native
Shrub

ADOXACEAE

Sambucus nigra ssp. caerulea
2019 Bryant Baker
Sambucus nigra ssp. caerulea
2018 Julie Kierstead Nelson
Sambucus nigra ssp. caerulea
2019 Michael Morrison

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

APIACEAE

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

Saxifraga virginiensis    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga virginiensis
2002 Bart and Susan Eisenberg
Saxifraga virginiensis
2010 Robert Steers/NPS
Saxifraga virginiensis
2019 Matt Berger

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

POACEAE

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

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

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

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

SELAGINELLACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

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

MALVACEAE

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

Silene antirrhina    Sleepy catch fly,  Sleepy catchfly,  Sleepy silene
native
Annual herb

CARYOPHYLLACEAE

Silene antirrhina
2019 Ken Hickman
Silene antirrhina
2019 Ken Hickman
Silene antirrhina
2011 Neal Kramer

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Stachys albens    Cobwebby hedge nettle,  White hedge nettle,  Whitestem hedgenettle
native
Perennial herb

LAMIACEAE

Stachys albens
2012 Gary McDonald
Stachys albens
2018 Gary McDonald
Stachys albens
2012 Gary McDonald

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stellaria pallida    Pale starwort
non-native
Annual herb

CARYOPHYLLACEAE

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

Stephanomeria exigua ssp. coronaria    Milk aster,  White plume wirelettuce,  Whiteplume wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria exigua ssp. coronaria
2013 Robert Sikora
Stephanomeria exigua ssp. coronaria
2014 Ron Wolf
Stephanomeria exigua ssp. coronaria
2015 Zoya Akulova

Stipa cernua    Nodding needle grass
native
Perennial grass

POACEAE

Stipa cernua
2013 Christopher Bronny
Stipa cernua
2020 Keir Morse
Stipa cernua
2013 Christopher Bronny

native
Annual herb

BRASSICACEAE

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

Stylocline gnaphaloides    Everlasting nest straw,  Everlasting stylocline,  Mountain neststraw
native
Annual herb

ASTERACEAE

Stylocline gnaphaloides
2008 Keir Morse
Stylocline gnaphaloides
2009 Neal Kramer
Stylocline gnaphaloides
2020 Bonnie Nickel

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
2019 Matt Berger
Thysanocarpus curvipes ssp. curvipes
2018 Zoya Akulova
Thysanocarpus curvipes ssp. curvipes
2020 R.A. Chasey

Thysanocarpus laciniatus    Common lace pod,  Mountain fringepod,  Narrow leaved fringe pod
native
Annual herb

BRASSICACEAE

Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2008 Keir Morse

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

APIACEAE

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

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

native
Perennial herb

MELANTHIACEAE

Toxicoscordion venenosum var. venenosum
2020 Larry Leigh
Toxicoscordion venenosum var. venenosum
2015 John Schmidt
Toxicoscordion venenosum var. venenosum
2019 Matt Berger

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

Trichostema lanatum
2017 Ron Vanderhoff
Trichostema lanatum
2019 Diane Etchison
Trichostema lanatum
2019 Diane Etchison

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
2019 Patrick Furtado
Trichostema lanceolatum
2018 Ron Vanderhoff
Trichostema lanceolatum
2016 Nathan Mudry

Trifolium gracilentum    Graceful clover,  Pin point clover,  Pinpoint clover
native
Annual herb

FABACEAE

Trifolium gracilentum
2006 Doreen L. Smith
Trifolium gracilentum
2008 Zoya Akulova
Trifolium gracilentum
2008 Zoya Akulova

Trifolium obtusiflorum    Clammy clover,  Creek clover
native
Annual herb

FABACEAE

Trifolium obtusiflorum
2019 Ron Vanderhoff
Trifolium obtusiflorum
2019 Ron Vanderhoff
Trifolium obtusiflorum
2019 Ron Vanderhoff

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Tropidocarpum gracile    Dobie pod,  Slender keel fruit,  Slender tropidocarpum
native
Annual herb

BRASSICACEAE

Tropidocarpum gracile
2008 Keir Morse
Tropidocarpum gracile
2019 Susan McDougall
Tropidocarpum gracile
2017 Gary McDonald

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

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

URTICACEAE

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

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

VERBENACEAE

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

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

FABACEAE

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

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

VIOLACEAE

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

Viola purpurea ssp. quercetorum    Goosefoot violet,  Goosefoot yellow violet
native
Perennial herb

VIOLACEAE

Viola purpurea ssp. quercetorum
2018 Gary McDonald
Viola purpurea ssp. quercetorum
2018 Gary McDonald
Viola purpurea ssp. quercetorum
2015 Debra L. Cook

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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