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Avenales Wildlife Area and nearby areas, Vicinity of Shell Creek Road —Highway 58 intersection and northward along Shell Creek Road, San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2020-05-30)

Record Detail Nearby Surveys What Grows Here?
402 PLANTS
Abronia pogonantha    Mohave sand verbena,  Mojave sand verbena
native
Annual herb

NYCTAGINACEAE

Abronia pogonantha
2019 Matt Berger
Abronia pogonantha
2018 George Butterworth
Abronia pogonantha
2017 Adam Chasey

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2017 Diane Etchison
Achillea millefolium
2019 Margot Cunningham
Achillea millefolium
2018 Gary McDonald

Achyrachaena mollis    Soft blow wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2019 Julie Hallett Horne

Acmispon americanus var. americanus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus var. americanus
2019 Ron Vanderhoff
Acmispon americanus var. americanus
2019 Matt Berger
Acmispon americanus var. americanus
2017 David Wolfson

Acmispon brachycarpus    Short podded lotus
native
Annual herb

FABACEAE

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

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2016 Susan McDougall
Acmispon glaber var. glaber
2020 Ron Vanderhoff

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

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

Acmispon wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

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

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

Acourtia microcephala
2013 Keir Morse
Acourtia microcephala
2014 Diane Etchison
Acourtia microcephala
2013 Keir Morse

Adenostoma fasciculatum. var. prostratum   


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

native
Annual herb

ASTERACEAE

Agoseris heterophylla var. heterophylla
2018 Chico Hiking Association
Agoseris heterophylla var. heterophylla
2013 Ron Vanderhoff
Agoseris heterophylla var. heterophylla
2015 Richard Spellenberg

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

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

Amaranthus californicus    California amaranth,  California pigweed
native
Annual herb

AMARANTHACEAE

Amaranthus californicus
2016 Gerald Carr
Amaranthus californicus
2016 Gerald Carr
Amaranthus californicus
2016 Gerald Carr

Amaranthus retroflexus    Green amaranth,  Red root pigweed,  Red rooted amaranth
non-native
Annual herb

AMARANTHACEAE

Amaranthus retroflexus
2007 Neal Kramer
Amaranthus retroflexus
2007 Neal Kramer
Amaranthus retroflexus
2008 Louis-M. Landry

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

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

Amsinckia tessellata var. gloriosa    Bristly fiddleneck,  Large flowered devil's fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia tessellata var. gloriosa
2013 Neal Kramer
Amsinckia tessellata var. gloriosa
2013 Neal Kramer
Amsinckia tessellata var. gloriosa
2019 Susan McDougall

Amsinckia tessellata var. tessellata    Bristly fiddleneck,  Devil's lettuce
native
Annual herb

BORAGINACEAE

Amsinckia tessellata var. tessellata
2016 James Gonsman
Amsinckia tessellata var. tessellata
2019 Matt Berger
Amsinckia tessellata var. tessellata
2006 Chris Wagner, SBNF

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus
2009 Barry Rice
Ancistrocarphus filagineus
2020 Matt Berger
Ancistrocarphus filagineus
2008 Keir Morse

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

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

ASTERACEAE

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

APOCYNACEAE

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

Asclepias vestita    Milkweed,  Woolly milkweed
native
Perennial herb

APOCYNACEAE

Asclepias vestita
2010 Neal Kramer
Asclepias vestita
2007 Neal Kramer
Asclepias vestita
2010 Neal Kramer

Astragalus asymmetricus    San joaquin milk vetch,  San joaquin milkvetch
native
Perennial herb

FABACEAE

Astragalus asymmetricus
2020 Susan McDougall
Astragalus asymmetricus
2020 Susan McDougall
Astragalus asymmetricus
2015 John Doyen

Astragalus didymocarpus var. didymocarpus    Common dwarf milkvetch,  Dwarf white milkvetch,  Two seeded milk vetch
native
Annual herb

FABACEAE

Astragalus didymocarpus var. didymocarpus
2011 Neal Kramer
Astragalus didymocarpus var. didymocarpus
2016 Neal Kramer
Astragalus didymocarpus var. didymocarpus
2010 Gary A. Monroe

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

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

FABACEAE

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

Astragalus macrodon    Salinas milk vetch,  Salinas milkvetch
native
Perennial herb

FABACEAE

Astragalus macrodon
2010 Neal Kramer
Astragalus macrodon
2010 Neal Kramer
Astragalus macrodon
2011 Chris Winchell

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

BRASSICACEAE

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

Atriplex canescens var. canescens    Fourwing saltbush
native
Shrub

CHENOPODIACEAE

Atriplex canescens var. canescens
2009 Neal Kramer
Atriplex canescens var. canescens
1999 Larry Blakely
Atriplex canescens var. canescens
2015 Zoya Akulova

Atriplex rosea    Redscale,  Tumbling oracle,  Tumbling saltweed
non-native
Annual herb

CHENOPODIACEAE

Atriplex rosea
2009 Neal Kramer
Atriplex rosea
2015 Zoya Akulova
Atriplex rosea
2009 Sheli Wingo

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Baccharis 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

Blennosperma nanum var. nanum    Common blennosperma,  Common stickyseed
native
Annual herb

ASTERACEAE

Blennosperma nanum var. nanum
2020 Joerg Lohse
Blennosperma nanum var. nanum
2017 Adam Chasey
Blennosperma nanum var. nanum
2019 Chico Hiking Association

Blitum californicum   


Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. terrestris
2004 Carol W. Witham
Brodiaea terrestris ssp. terrestris
2001 Bart and Susan Eisenberg
Brodiaea terrestris ssp. terrestris
2015 John Doyen

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 berteroanus    Chilean chess
non-native
Annual grass

POACEAE

Bromus berteroanus
2006 Steve Matson
Bromus berteroanus
2006 Steve Matson
Bromus berteroanus
2006 Steve Matson

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

POACEAE

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

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

POACEAE

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

Bromus 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 menziesii    Red maids
native
Annual herb

MONTIACEAE

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

California macrophylla    Round leaved filaree
native
Annual herb

GERANIACEAE

California macrophylla
2016 Robert Sikora
California macrophylla
2009 Andrew Borcher
California macrophylla
2013 Neal Kramer

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

PLANTAGINACEAE

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

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

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
2016 Keir Morse
Calochortus splendens
1998 Dean Wm. Taylor
Calochortus splendens
2009 Keir Morse

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

Camissonia campestris ssp. campestris    Field sun cup,  Mojave suncup
native
Annual herb

ONAGRACEAE

Camissonia campestris ssp. campestris
2009 Keir Morse
Camissonia campestris ssp. campestris
2017 Adam Chasey
Camissonia campestris ssp. campestris
2005 Aaron Schusteff

Camissoniopsis hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis hirtella
2019 Ron Vanderhoff
Camissoniopsis hirtella
2015 John Doyen
Camissoniopsis hirtella
2019 Ken Hickman

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

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

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

BRASSICACEAE

Cardamine oligosperma
2019 Chico Hiking Association
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

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

CYPERACEAE

Carex praegracilis
2020 Steve Matson
Carex praegracilis
2020 Steve Matson
Carex praegracilis
2020 Steve Matson

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

OROBANCHACEAE

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

Castilleja brevistyla    Short style owl's clover,  Shortstyle indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja brevistyla
2009 Keir Morse
Castilleja brevistyla
2015 Debra L. Cook
Castilleja brevistyla
2015 Debra L. Cook

Castilleja densiflora var. densiflora    Dense flower owl's clover,  Denseflower indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja densiflora var. densiflora
2018 Margarita Orlova
Castilleja densiflora var. densiflora
2008 Doreen L. Smith
Castilleja densiflora var. densiflora
2002 Doreen L. Smith

Castilleja exserta var. exserta    Owl's clover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta var. exserta
2017 B.J. Dion
Castilleja exserta var. exserta
2018 Saskia Raether
Castilleja exserta var. exserta
2017 B.J. Dion

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 subinclusa var. jepsonii    Franciscan paint brush,  Longleaf indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja subinclusa var. jepsonii
2010 Larry Beckerman
Castilleja subinclusa var. jepsonii
2013 Neal Kramer
Castilleja subinclusa var. jepsonii
2019 David popp

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

Centaurea cyanus    Batchelor button,  Garden cornflower
non-native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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

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

Chaenactis xantiana    Fleshcolor pincushion,  Xantus pincushion,  Xantus' chaenactis
native
Annual herb

ASTERACEAE

Chaenactis xantiana
2010 James M. Andre
Chaenactis xantiana
2011 Neal Kramer
Chaenactis xantiana
2019 Matt Berger

Chenopodium album    Lamb's quarters,  Lambs quarters,  White goosefoot
non-native
Annual herb

CHENOPODIACEAE

Chenopodium album
2005 Louis-M. Landry
Chenopodium album
2008 Keir Morse
Chenopodium album
2005 Louis-M. Landry

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

CHENOPODIACEAE

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

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

AGAVACEAE

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

Chorizanthe biloba var. biloba    Two lobed spineflower,  Twolobe spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe biloba var. biloba
2013 Chris Winchell
Chorizanthe biloba var. biloba
2006 Laura Ann Eliassen
Chorizanthe biloba var. biloba
2013 Chris Winchell

Chorizanthe douglasii    Douglas's spineflower,  San benito spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe douglasii
2009 Keir Morse
Chorizanthe douglasii
2009 Keir Morse
Chorizanthe douglasii
2009 Keir Morse

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

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

Chorizanthe uniaristata    One awn spineflower,  Oneawn spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe uniaristata
2010 Neal Kramer
Chorizanthe uniaristata
2009 Keir Morse
Chorizanthe uniaristata
2005 Keir Morse

Chorizanthe xanti var. xanti    Riverside spineflower,  Xantus' spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe xanti var. xanti
2012 Terrence Gosliner
Chorizanthe xanti var. xanti
2005 Brent Miller
Chorizanthe xanti var. xanti
2013 Neal Kramer

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

ASTERACEAE

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

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 affinis    Chaparral clarkia,  Chaparral fairyfan
native
Annual herb

ONAGRACEAE

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

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

ONAGRACEAE

Clarkia purpurea ssp. purpurea
2007 Neal Kramer
Clarkia purpurea ssp. purpurea
2018 Steve Laymon
Clarkia purpurea ssp. purpurea
2007 Neal Kramer

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

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

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

POACEAE

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

Cryptantha 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 juniperensis   


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

Cryptantha muricata var. jonesii    Jones' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha muricata var. jonesii
2010 Jordan Zylstra
Cryptantha muricata var. jonesii
2018 David popp
Cryptantha muricata var. jonesii
2010 Jordan Zylstra

Cryptantha nemaclada    Colusa cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha nemaclada
2011 Steve Matson
Cryptantha nemaclada
Donald Myrick1999 California Academy of Sciences
Cryptantha nemaclada
2011 Steve Matson

Cryptantha oxygona    Sharp nut cryptantha,  Sharpnut cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha oxygona
2011 Steve Matson
Cryptantha oxygona
2020 Matt Berger
Cryptantha oxygona
2020 Matt Berger

Cucurbita palmata    Coyote gourd,  Coyote melon
native
Annual, Perennial herb

CUCURBITACEAE

Cucurbita palmata
2020 Lynn Sweet
Cucurbita palmata
2012 Keir Morse
Cucurbita palmata
2012 George Butterworth

Cuscuta californica var. californica    California dodder,  Chaparral dodder,  Short flowered dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica var. californica
2010 Vernon Smith
Cuscuta californica var. californica
2017 David popp
Cuscuta californica var. californica
2010 Neal Kramer

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

POACEAE

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

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

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

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 paniculata    Paniculate tarplant,  San Diego tarweed
native
Annual herb

ASTERACEAE

Deinandra paniculata
2017 Ron Vanderhoff
Deinandra paniculata
2019 Ron Vanderhoff
Deinandra paniculata
2019 Ron Vanderhoff

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 gypsophilum    Gypsum loving larkspur,  Pinoche creek larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium gypsophilum
2005 Christopher L. Christie
Delphinium gypsophilum
2012 Neal Kramer
Delphinium gypsophilum
2019 Diane Etchison

Delphinium parryi ssp. parryi    Parry's larkspur,  San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. parryi
2018 Gary McDonald
Delphinium parryi ssp. parryi
2018 Gary McDonald
Delphinium parryi ssp. parryi
2009 Barry Breckling

native
Perennial herb

RANUNCULACEAE

Delphinium variegatum ssp. variegatum
2005 Christopher L. Christie
Delphinium variegatum ssp. variegatum
2011 Steven Perry
Delphinium variegatum ssp. variegatum
2011 Steven Perry

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

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

Diplacus fremontii    Fremont's monkeyflower
native
Annual herb

PHRYMACEAE

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

Dipterostemon capitatus ssp. capitatus   


Distichlis spicata    Inland saltgrass,  Salt grass,  Saltgrass
native
Perennial grass

POACEAE

Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2019 Ron Vanderhoff
Distichlis spicata
2005 Steve Matson

Echinochloa crus-galli    Barnyard grass,  Japanese millet,  Watergrass
non-native
Annual grass

POACEAE

Echinochloa crus-galli
2003 George W. Hartwell
Echinochloa crus-galli
2008 Zoya Akulova
Echinochloa crus-galli
2011 Eric Wrubel/NPS

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

CYPERACEAE

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

Eleocharis parishii    Parish's spike rush,  Parish's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis parishii
2008 Keir Morse
Eleocharis parishii
2010 James M. Andre
Eleocharis parishii
2018 Rachelle Gray

Eleusine tristachya    Three spiked goosegrass,  Threespike goosegrass
non-native
Annual grass

POACEAE

Eleusine tristachya
2011 Zoya Akulova
Eleusine tristachya
2008 Steve Matson
Eleusine tristachya
2008 Steve Matson

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

POACEAE

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

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
2018 Rachelle Gray
Elymus triticoides
2018 Rachelle Gray
Elymus triticoides
2018 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 densiflorum    Dense boisduvalia,  Dense flowered boisduvalia,  Dense flowered spike primrose
native
Annual herb

ONAGRACEAE

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

Epilobium torreyi    Narrow boisduvalia,  Narrow leaved boisduvalia,  Torrey's willowherb
native
Annual herb

ONAGRACEAE

Epilobium torreyi
2004 Norman Jensen
Epilobium torreyi
2004 Carol W. Witham
Epilobium torreyi
2019 David popp

native
Annual grass

POACEAE

Eragrostis pectinacea var. pectinacea
2007 Steve Matson
Eragrostis pectinacea var. pectinacea
2007 Steve Matson
Eragrostis pectinacea var. pectinacea
2007 Steve Matson

Eremalche parryi ssp. parryi    Parry's mallow
native
Annual herb

MALVACEAE

Eremalche parryi ssp. parryi
2019 Dee Shea Himes
Eremalche parryi ssp. parryi
2016 Debra L. Cook
Eremalche parryi ssp. parryi
2020 David Greenberger

Eremothera boothii ssp. decorticans    Shredding evening-primrose
native
Annual herb

ONAGRACEAE

Eremothera boothii ssp. decorticans
2019 Matt Berger
Eremothera boothii ssp. decorticans
2020 David Greenberger
Eremothera boothii ssp. decorticans
2017 Bonnie Nickel

Eriastrum calocyanum    pretty blue woolly star
native
Annual herb

POLEMONIACEAE

Eriastrum calocyanum
2018 Amelia Ryan
Eriastrum calocyanum
2018 Ryan O'Dell
Eriastrum calocyanum
2018 Ryan O'Dell

native
Perennial herb

POLEMONIACEAE

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

Eriastrum pluriflorum ssp. pluriflorum    Many-flowered eriastrum
native
Annual herb

POLEMONIACEAE

Eriastrum pluriflorum ssp. pluriflorum
2011 Aaron Schusteff
Eriastrum pluriflorum ssp. pluriflorum
2017 George Butterworth
Eriastrum pluriflorum ssp. pluriflorum
2016 John Doyen

Ericameria linearifolia    Interior goldenbush,  Linear leaved goldenbush,  Narrowleaf goldenbush
native
Shrub

ASTERACEAE

Ericameria linearifolia
2012 Gary McDonald
Ericameria linearifolia
2013 Neal Kramer
Ericameria linearifolia
2019 Wendy Walker

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

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

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

Erigeron foliosus var. stenophyllus
2011 Dean Wm. Taylor, Ph.D.
Erigeron foliosus var. stenophyllus
2007 Neal Kramer
Erigeron foliosus var. stenophyllus
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 angulosum    Angled stem buckwheat,  Anglestem buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum angulosum
2009 Keir Morse
Eriogonum angulosum
2005 Christopher L. Christie
Eriogonum angulosum
2009 Aaron Schusteff

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 cithariforme    Cithara buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum cithariforme
2003 Christopher L. Christie
Eriogonum cithariforme
2010 Steve Matson

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

POLYGONACEAE

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

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

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

Eriogonum viridescens    Bright green buckwheat,  Twotooth buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum viridescens
2015 Keir Morse
Eriogonum viridescens
2015 Keir Morse
Eriogonum viridescens
2010 Neal Kramer

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

ASTERACEAE

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

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

ASTERACEAE

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

Eriophyllum pringlei    Pringle eriophyllum,  Pringle's woolly sunflower
native
Annual herb

ASTERACEAE

Eriophyllum pringlei
2006 Steve Matson
Eriophyllum pringlei
2003 Christopher L. Christie
Eriophyllum pringlei
2020 Bryant Baker

Erodium brachycarpum    Foothill filaree,  Short fruited filaree,  Shortfruit stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium brachycarpum
2018 James Bailey
Erodium brachycarpum
2018 John Doyen
Erodium brachycarpum
2016 John Doyen

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

GERANIACEAE

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

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

GERANIACEAE

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

Erodium texanum    Desert heron's bill,  Texas filaree,  Texas stork's bill
native
Annual herb

GERANIACEAE

Erodium texanum
2005 James M. Andre
Erodium texanum
2017 Diane Etchison
Erodium texanum
2004 Robert Sivinski

Eryngium spinosepalum    Spiny sepaled button celery,  Spinysepal eryngo
native
Annual, Perennial herb

APIACEAE

Eryngium spinosepalum
2009 Cristian Singer
Eryngium spinosepalum
2015 Neal Kramer
Eryngium spinosepalum
2017 Douglas Gordon-Blackwood

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

Erythranthe latidens    Broad toothed monkeyflower
native
Annual herb

PHRYMACEAE

Erythranthe latidens
2001 Steve Schoenig
Erythranthe latidens
2017 Neal Kramer
Erythranthe latidens
2017 Neal Kramer

Erythranthe microphylla    Small leaved monkeyflower
native
Annual herb

PHRYMACEAE

Erythranthe microphylla
2014 Garth Wadsworth
Erythranthe microphylla
2019 Susan McDougall
Erythranthe microphylla
2020 Belinda Lo

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

PHRYMACEAE

Erythranthe nasuta
2019 Stacie Wolny
Erythranthe nasuta
2019 Chico Hiking Association
Erythranthe nasuta
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

native
Annual herb

PAPAVERACEAE

Eschscholzia lemmonii ssp. lemmonii
2011 Neal Kramer
Eschscholzia lemmonii ssp. lemmonii
2019 Adam Chasey
Eschscholzia lemmonii ssp. lemmonii
2011 Neal Kramer

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

Euphorbia ocellata    Contura creek spurge
native
Annual herb

EUPHORBIACEAE

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

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

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

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

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

POACEAE

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

Fritillaria affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis
2017 Stephen Rosenthal
Fritillaria affinis
2005 Doreen L. Smith
Fritillaria affinis
2020 Tina Curiel

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 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

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

GERANIACEAE

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

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 austro-occidentalis    Southwestern gilia
native
Annual herb

POLEMONIACEAE

Gilia austro-occidentalis
2009 Adonis (Don) Tate
Gilia austro-occidentalis
2009 Adonis (Don) Tate

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


Gilia tenuiflora ssp. tenuiflora    Greater yellowthroat gilia,  Slender flowered gilia
native
Annual herb

POLEMONIACEAE

Gilia tenuiflora ssp. tenuiflora
2009 Keir Morse
Gilia tenuiflora ssp. tenuiflora
2016 Keir Morse
Gilia tenuiflora ssp. tenuiflora
2009 Keir Morse

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

POLEMONIACEAE

Gilia tricolor ssp. tricolor
2005 Victoria Marshall
Gilia tricolor ssp. tricolor
2005 Christopher L. Christie
Gilia tricolor ssp. tricolor
2018 Vernon Smith

Glycyrrhiza lepidota    American licorice,  Lichorice,  Wild licorice
native
Perennial herb

FABACEAE

Glycyrrhiza lepidota
2002 Thomas M. Elder, M.D.
Glycyrrhiza lepidota
2010 Neal Kramer
Glycyrrhiza lepidota
2010 Steve Matson

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

Gutierrezia californica    California matchweed,  Matchweed, snakeweed,  San joaquin snakeweed
native
Perennial herb, Shrub

ASTERACEAE

Gutierrezia californica
2008 Keir Morse
Gutierrezia californica
2010 Neal Kramer
Gutierrezia californica
2018 Ron Vanderhoff

Helianthus gracilentus    Slender sunflower
native
Perennial herb

ASTERACEAE

Helianthus gracilentus
2019 David Greenberger
Helianthus gracilentus
2002 Charles E. Jones
Helianthus gracilentus
2009 Thomas Stoughton

non-native
Annual herb

CARYOPHYLLACEAE

Herniaria hirsuta var. cinerea
2003 Keir Morse
Herniaria hirsuta var. cinerea
2011 Aaron Schusteff
Herniaria hirsuta var. cinerea
2003 Keir Morse

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

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

LINACEAE

Hesperolinon micranthum
2003 Michael Charters
Hesperolinon micranthum
2008 Keir Morse ID: 0000 0000 1208 0131 [detail] 2008 Keir Morse
Hesperolinon micranthum
2011 Aaron Arthur

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

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 oregona var. oregona    Oregon false goldenaster,  Oregon goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca oregona var. oregona
2001 Redwood National and State Parks
Heterotheca oregona var. oregona
2020 Susan McDougall
Heterotheca oregona var. oregona
2020 Susan McDougall

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

native
Perennial grass

POACEAE

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

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

POACEAE

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

Hordeum 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

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

Isocoma acradenia var. bracteosa    Bracted alkali goldenbush
native
Shrub

ASTERACEAE

Isocoma acradenia var. bracteosa
2010 Neal Kramer
Isocoma acradenia var. bracteosa
2014 Neal Kramer
Isocoma acradenia var. bracteosa
2014 Neal Kramer

Isoetes nuttallii    Nuttall's quillwort
native
Fern

ISOETACEAE

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

Juncus amuricus   


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 luciensis    Santa lucia dwarf rush,  Santa lucia rush
native
Annual grasslike herb

JUNCACEAE

Juncus luciensis
2014 Dean Wm. Taylor
Juncus luciensis
2009 Keir Morse
Juncus luciensis
2014 Dean Wm. Taylor

Juncus mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

Juniperus californica
2005 James M. Andre
Juniperus californica
2019 Patrick Furtado
Juniperus californica
2017 Gary McDonald

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

Lastarriaea coriacea    Leather spineflower
native
Annual herb

POLYGONACEAE

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

Lasthenia glaberrima    Smooth goldfields
native
Annual herb

ASTERACEAE

Lasthenia glaberrima
2004 Carol W. Witham
Lasthenia glaberrima
2020 Matt Berger
Lasthenia glaberrima
2020 R.A. Chasey

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

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 heterotricha    Pale yellow layia,  Paleyellow tidytips
native
Annual herb

ASTERACEAE

Layia heterotricha
2015 Keir Morse
Layia heterotricha
2018 Sarah Termondt
Layia heterotricha
2015 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 acutidens    Net pepper grass
native
Annual, Perennial herb

BRASSICACEAE

Lepidium acutidens
2008 Aaron Schusteff
Lepidium acutidens
2017 Steve Matson
Lepidium acutidens
2003 George W. Hartwell

Lepidium dictyotum    Alkali pepperweed,  Net pepper grass
native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

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

BRASSICACEAE

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

Leptosiphon liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Leptosiphon liniflorus
2015 Debra L. Cook
Leptosiphon liniflorus
2009 Genevieve K. Walden
Leptosiphon liniflorus
2020 Aaron Sunshine

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon parviflorus
2019 Ken Lunders
Leptosiphon parviflorus
2020 Ron Vanderhoff
Leptosiphon parviflorus
2016 Ron Vanderhoff

native
Annual herb

POLEMONIACEAE

Leptosiphon pygmaeus ssp. continentalis
2013 Gary McDonald
Leptosiphon pygmaeus ssp. continentalis
2013 Gary McDonald
Leptosiphon pygmaeus ssp. continentalis
1993 Dean Wm. Taylor

Leptosyne bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

Leptosyne bigelovii
2019 Diane Etchison
Leptosyne bigelovii
2020 John L. Thompson
Leptosyne bigelovii
2019 Diane Etchison

Leptosyne douglasii    Douglas' coreopsis
native
Annual herb

ASTERACEAE

Leptosyne douglasii
2008 Keir Morse
Leptosyne douglasii
2014 Jean Pawek
Leptosyne douglasii
2008 Keir Morse

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

native
Annual herb

POLEMONIACEAE

Linanthus dichotomus ssp. dichotomus
2015 John Doyen
Linanthus dichotomus ssp. dichotomus
2012 Tim Kellison
Linanthus dichotomus ssp. dichotomus
2019 Jacob Smith

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

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

Lomatium dasycarpum ssp. dasycarpum    Woolly fruited lomatium,  Woollyfruit desertparsley
native
Perennial herb

APIACEAE

Lomatium dasycarpum ssp. dasycarpum
2008 Keir Morse
Lomatium dasycarpum ssp. dasycarpum
2018 Gary McDonald
Lomatium dasycarpum ssp. dasycarpum
2020 Matt Berger

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 subspicata var. denudata    Chaparral honeysuckle,  Johnston's honeysuckle,  Santa barbara honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata var. denudata
2019 Diane Etchison
Lonicera subspicata var. denudata
2018 Gary McDonald
Lonicera subspicata var. denudata
2019 Diane Etchison

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 formosus var. robustus    Giant western lupine,  Summer lupine
native
Perennial herb

FABACEAE

Lupinus formosus var. robustus
2011 Barry Breckling
Lupinus formosus var. robustus
1995 Saint Mary's College of California
Lupinus formosus var. robustus
2011 Barry Breckling

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

FABACEAE

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

Lupinus 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

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

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

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 californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

Malacothrix californica
Geoff Burleigh
Malacothrix californica
2008 Keir Morse
Malacothrix californica
Geoff Burleigh

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

Malacothrix glabrata    Desert dandelion,  Smooth desertdandelion
native
Annual herb

ASTERACEAE

Malacothrix glabrata
2019 Diane Etchison
Malacothrix glabrata
2017 Leah Gardner
Malacothrix glabrata
2019 Susan McDougall

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2019 Aaron Echols
Marrubium vulgare
©2013 Gary McDonald
Marrubium vulgare
©2013 Gary McDonald

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

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

FABACEAE

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

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

POACEAE

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

Melilotus albus    White sweetclover
invasive non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
2008 Keir Morse
Melilotus albus
2020 Aaron Echols
Melilotus albus
2020 Julia Markey

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

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

Mentzelia pectinata    San joaquin blazing star,  San joaquin blazingstar
native
Annual herb

LOASACEAE

Mentzelia pectinata
2005 Steve Matson
Mentzelia pectinata
2019 Marisa Persaud
Mentzelia pectinata
2019 Marisa Persaud

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

ASTERACEAE

Micropus californicus var. californicus
2015 Richard Spellenberg
Micropus californicus var. californicus
2012 Neal Kramer
Micropus californicus var. californicus
2020 Matt Berger

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

ASTERACEAE

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

Microseris elegans    Elegant silverpuffs
native
Annual herb

ASTERACEAE

Microseris elegans
2011 Zoya Akulova
Microseris elegans
2004 Laura Ann Eliassen
Microseris elegans
2011 Zoya Akulova

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
2019 Matt Berger
Microsteris gracilis
2016 Jim Moore
Microsteris gracilis
2019 Matt Berger

Mimetanthe pilosa    Snouted monkey flower
native
Annual herb

PHRYMACEAE

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

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

LAMIACEAE

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

Monolopia lanceolata    Common monolopia
native
Annual herb

ASTERACEAE

Monolopia lanceolata
2020 David Greenberger
Monolopia lanceolata
2005 Brent Miller
Monolopia lanceolata
2011 Rebecca Wenk

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

MONTIACEAE

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

Mucronea californica    California spineflower
native
Annual herb

POLYGONACEAE

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

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

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

Muilla maritima
2014 Debra L. Cook
Muilla maritima
2003 Michael Charters
Muilla maritima
2003 Michael Charters

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

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

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

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

Navarretia mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mitracarpa
2011 Chris Winchell
Navarretia mitracarpa
2005 Aaron Schusteff
Navarretia mitracarpa
2009 Keir Morse

native
Annual herb

POLEMONIACEAE

Navarretia nigelliformis ssp. nigelliformis
2008 Zoya Akulova
Navarretia nigelliformis ssp. nigelliformis
2008 Steve Matson
Navarretia nigelliformis ssp. nigelliformis
2012 Geoff Hoetker

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

Nemacladus secundiflorus var. robbinsii    Robbins' nemacladus
native
Annual herb

CAMPANULACEAE

Nemacladus secundiflorus var. robbinsii
2010 Keir Morse
Nemacladus secundiflorus var. robbinsii
2010 Keir Morse
Nemacladus secundiflorus var. robbinsii
2011 Aaron Schusteff

native
Annual herb

BORAGINACEAE

Nemophila menziesii var. menziesii
2020 Mary Conway
Nemophila menziesii var. menziesii
2018 Hunter Breck
Nemophila menziesii var. menziesii
2016 Richard Chasey

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

Oenothera deltoides ssp. cognata    Birdcage evening primrose,  Desert lantern
native
Annual herb

ONAGRACEAE

Oenothera deltoides ssp. cognata
2004 Robert E. Preston, Ph.D.
Oenothera deltoides ssp. cognata
2009 California State University, Stanislaus
Oenothera deltoides ssp. cognata
2017 Adam Chasey

Panicum capillare    Old witch grass,  Witchgrass
native
Annual grass

POACEAE

Panicum capillare
2006 Louis-M. Landry
Panicum capillare
2008 Louis-M. Landry
Panicum capillare
2006 Louis-M. Landry

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

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

Pectocarya linearis ssp. ferocula    Sagebrush combseed,  Slender comb seed,  Slender pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya linearis ssp. ferocula
2010 Neal Kramer
Pectocarya linearis ssp. ferocula
2001 Steven Thorsted
Pectocarya linearis ssp. ferocula
2019 Ron Vanderhoff

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

Pectocarya setosa    Moth combseed,  Stiff stemmed comb bur
native
Annual herb

BORAGINACEAE

Pectocarya setosa
2008 Neal Kramer
Pectocarya setosa
2010 James M. Andre
Pectocarya setosa
2009 Keir Morse

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

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

Penstemon heterophyllus var. australis    Southern foothill penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon heterophyllus var. australis
2009 Robert Steers
Penstemon heterophyllus var. australis
2009 Keir Morse
Penstemon heterophyllus var. australis
2018 Jason Matthias Mills

Pentachaeta alsinoides    Tiny pygmy daisy,  Tiny pygmydaisy
native
Annual herb

ASTERACEAE

Pentachaeta alsinoides
2018 Jake Ruygt
Pentachaeta alsinoides
2018 Jake Ruygt

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 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 fremontii    Fremont's phacelia
native
Annual herb

BORAGINACEAE

Phacelia fremontii
2014 Steve Conger
Phacelia fremontii
2006 Steve Matson
Phacelia fremontii
2019 Diane Etchison

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

BORAGINACEAE

Phacelia tanacetifolia
2019 Susan McDougall
Phacelia tanacetifolia
2020 David Greenberger
Phacelia tanacetifolia
2010 Neal Kramer

Phalaris paradoxa    Hood canarygrass
non-native
Annual grass

POACEAE

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

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

native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum ssp. villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum ssp. villosum
2018 Susan McDougal
Phoradendron villosum ssp. 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 acanthocarpus    Adobe allocarya,  Adobe popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys acanthocarpus
2019 Ron Vanderhoff
Plagiobothrys acanthocarpus
2017 James Bailey
Plagiobothrys acanthocarpus
2019 Michael Mitchell

Plagiobothrys bracteatus    Bracted allocarya,  Bracted popcorn flower,  Bracted popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys bracteatus
2008 Jorg Fleige
Plagiobothrys bracteatus
2003 Keir Morse
Plagiobothrys bracteatus
2008 Keir Morse

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 leptocladus    Alkali plagiobothrys,  Finebranched popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys leptocladus
2009 Doug Wirtz
Plagiobothrys leptocladus
2009 Anna Bennett
Plagiobothrys leptocladus
2004 Carol W. Witham

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

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

PLANTAGINACEAE

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

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2007 Neal Kramer
Plantago lanceolata
2019 Diane Etchison

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
2009 Barry Breckling
Plantago major
2013 Debra L. Cook
Plantago major
2015 Zoya Akulova

Plantago ovata var. fastigiata    Desert plantain
native
Annual herb

PLANTAGINACEAE

Plantago ovata var. fastigiata
2010 Keir Morse
Plantago ovata var. fastigiata
2019 Susan McDougall
Plantago ovata var. fastigiata
2019 Susan McDougall

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

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

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

POACEAE

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

Poa bulbosa ssp. vivipara    Bulbous blue grass
non-native
Perennial grass

POACEAE

Poa bulbosa ssp. vivipara
© 2015 John Doyen
Poa bulbosa ssp. vivipara
2015 Richard Chasey
Poa bulbosa ssp. vivipara
2015 John Doyen

Poa infirma    Weak blue grass,  Weak bluegrass
non-native
Annual grass

POACEAE

Poa infirma
2019 Zoya Akulova
Poa infirma
2019 Zoya Akulova
Poa infirma
2019 Zoya Akulova

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

Primula clevelandi   


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

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

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

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
2020 Ryan Carle
Pseudognaphalium stramineum
2017 Diane Etchison
Pseudognaphalium stramineum
2009 Neal Kramer

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 douglasii    Blue oak
native
Tree

FAGACEAE

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

Quercus john-tuckeri    Tucker oak,  Tucker's oak
native
Tree

FAGACEAE

Quercus john-tuckeri
2011 Neal Kramer
Quercus john-tuckeri
2016 James Gonsman
Quercus john-tuckeri
2015 Keir Morse

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

Ranunculus californicus var. ludovicianus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus var. ludovicianus
2019 Diane Etchison
Ranunculus californicus var. ludovicianus
2020 Mitchell Coleman
Ranunculus californicus var. ludovicianus
2019 Diane Etchison

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 quercetorum    Foothill gooseberry,  Oak gooseberry,  Rock gooseberry
native
Shrub

GROSSULARIACEAE

Ribes quercetorum
2020 Susan McDougall
Ribes quercetorum
2006 Keir Morse
Ribes quercetorum
2020 Susan McDougall

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

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

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 hymenosepalus    Canaigre dock,  Wild rhubarb
native
Perennial herb

POLYGONACEAE

Rumex hymenosepalus
2017 Aaron Echols
Rumex hymenosepalus
2019 Dee Shea Himes
Rumex hymenosepalus
2017 Adam Chasey

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
2011 Neal Kramer
Rumex salicifolius var. crassus
2008 Jorg Fleige
Rumex salicifolius var. crassus
2011 Neal Kramer

Sabulina cismontana    Cismontane minuartia
native
Perennial herb

CARYOPHYLLACEAE

Sabulina cismontana
2015 Steven M Serkanic
Sabulina cismontana
© 2016 Rhiannon Korhummel
Sabulina cismontana
2017 David popp

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

Sabulina pusilla    Annual sandwort
native
Annual herb

CARYOPHYLLACEAE

Sabulina pusilla
2008 Keir Morse
Sabulina pusilla
2008 Keir Morse
Sabulina pusilla
2008 Keir Morse

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

CARYOPHYLLACEAE

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

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

Salvia carduacea    Thistle sage
native
Annual herb

LAMIACEAE

Salvia carduacea
2005 Michelle Cloud-Hughes
Salvia carduacea
2019 Julia Gardner Harencar
Salvia carduacea
2020 David Greenberger

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

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

POACEAE

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

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

POACEAE

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

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus pungens var. longispicatus
2008 Steve Matson
Schoenoplectus pungens var. longispicatus
2019 Julian Geoghegan
Schoenoplectus pungens var. longispicatus
2007 Neal Kramer

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

ASTERACEAE

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

Senecio 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

Setaria verticillata    Hooked bristlegrass
non-native
Annual grass

POACEAE

Setaria verticillata
2006 Luigi Rignanese
Setaria verticillata
2011 Steve Matson
Setaria verticillata
2005 Luigi Rignanese

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

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

CARYOPHYLLACEAE

Silene gallica
2017 Barbara Boethling
Silene gallica
2017 Gary McDonald
Silene gallica
2017 Gary McDonald

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
2020 Nancy Hamlett
Silybum marianum
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

Sisymbrium orientale    Indian hedge mustard,  Oriental hedge mustard
non-native
Annual, Perennial herb

BRASSICACEAE

Sisymbrium orientale
2014 Robert F Norris
Sisymbrium orientale
2014 Robert F Norris
Sisymbrium orientale
2009 Phil Pullen

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

SOLANACEAE

Solanum umbelliferum var. umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum var. umbelliferum
2020 Ron Vanderhoff
Solanum umbelliferum var. 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

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

CARYOPHYLLACEAE

Spergularia rubra
2014 James Gonsman
Spergularia rubra
2014 Dee Warenycia
Spergularia rubra
2014 Richard Chasey

Stachys 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

Stebbinsoseris heterocarpa    Grassland stebbinsoseris
native
Annual herb

ASTERACEAE

Stebbinsoseris heterocarpa
2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
2017 Diane Etchison

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

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

CARYOPHYLLACEAE

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

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

Stipa coronata    Crested needle grass
native
Perennial grass

POACEAE

Stipa coronata
2019 Rachelle Gray
Stipa coronata
2005 Steve Matson
Stipa coronata
2013 Christopher Bronny

Stipa speciosa    Desert needle grass
native
Perennial grass

POACEAE

Stipa speciosa
2003 James M. Andre
Stipa speciosa
2019 Lynn Sweet
Stipa speciosa
2018 Liz Block

Streptanthus anceps    Lemmon's mustard
native
Annual herb

BRASSICACEAE

Streptanthus anceps
2011 Dylan Neubauer
Streptanthus anceps
2011 Jean Pawek
Streptanthus anceps
2019 Zack Abbey

Streptanthus lasiophyllus   


Streptanthus parryi    Lemmon's jewelflower,  Lemmon's wild cabbage
native
Annual herb

BRASSICACEAE

Streptanthus parryi
2020 David Greenberger
Streptanthus parryi
2011 Dylan Neubauer
Streptanthus parryi
2014 Chris Winchell

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

Stylocline masonii    Mason neststraw,  Mason's neststraw
native
Annual herb

ASTERACEAE


Symphyotrichum subulatum    Eastern annual saltmarsh aster
native
Annual herb

ASTERACEAE

Symphyotrichum subulatum
2019 Ron Vanderhoff
Symphyotrichum subulatum
2019 Aaron Echols
Symphyotrichum subulatum
2018 Ron Vanderhoff

Tetrapteron graciliflorum    Hill sun cup
native
Annual herb

ONAGRACEAE

Tetrapteron graciliflorum
2007 Neal Kramer
Tetrapteron graciliflorum
2009 Keir Morse
Tetrapteron graciliflorum
2010 Richard Spjut

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

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

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

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum
2010 Jorg Fleige & Mimi Fleige
Trifolium albopurpureum
2011 Jorg & Mimi Fleige
Trifolium albopurpureum
2013 Zoya Akulova

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
2020 Diane Etchison
Trifolium ciliolatum
2019 Rachelle Gray
Trifolium ciliolatum
2019 Ron Vanderhoff

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

FABACEAE

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

Trifolium depauperatum var. depauperatum    Cowbag clover,  Dwarf bladder clover,  Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. depauperatum
2004 Carol W. Witham
Trifolium depauperatum var. depauperatum
2019 Aaron Arthur
Trifolium depauperatum var. depauperatum
2010 Ron Wolf

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 macraei    Chilean clover,  Macrae's clover
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Triphysaria micrantha    Little butter 'n' eggs,  Purplebeak owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria micrantha
2006 Steve Matson
Triphysaria micrantha
2003 Laura Ann Eliassen

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

Verbena lasiostachys    Common verbena,  Vervain,  Western verbena
native
Perennial herb

VERBENACEAE

Verbena lasiostachys
2019 Diane Etchison
Verbena lasiostachys
2018 Gary McDonald
Verbena lasiostachys
2019 Diane Etchison

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

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

Veronica peregrina ssp. xalapensis    Hairy purslane speedwell,  Neckweed,  Purslane speedwell
native
Annual herb

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis
2020 Steve Matson
Veronica peregrina ssp. xalapensis
2020 Ron Vanderhoff
Veronica peregrina ssp. xalapensis
2020 Steve Matson

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

ASTERACEAE

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

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

Zeltnera exaltata    Cancha lagua
native
Annual herb

GENTIANACEAE

Zeltnera exaltata
2016 Steve Matson
Zeltnera exaltata
2012 James M. Andre
Zeltnera exaltata
2010 Anna Bennett