Montaña de Oro State Park San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-07) |
| 517 PLANTS |
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Abronia latifolia Coastal sand verbena, Sand verbena, Yellow sand verbena
native
Perennial herb  2014 James Gonsman
 2016 Steve Matson
 2020 David Krause
|
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Abronia maritima Red sand verbena, Sticky sand verbena
 2017 Ron Vanderhoff
 2018 Ron Vanderhoff
 2019 David Wolfson
|
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Abronia umbellata var. umbellata Beach sand verbena
native
Perennial herb  2017 James Gonsman
 2014 Steve Matson
 2018 Mary Conway
|
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Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree  2020 Christopher Brown
 2020 Diane Etchison
 2018 Ron Vanderhoff
|
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Achillea millefolium Common yarrow
native
Perennial herb  2020 Bob Sweatt
 2014 James Gonsman
 2018 Gary McDonald
|
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Acmispon brachycarpus Short podded lotus
native
Annual herb  2008 Keir Morse
 2005 Steve Matson
 2013 Jean Pawek
|
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Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2016 Susan McDougall
 2020 Ron Vanderhoff
|
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Acmispon heermannii var. orbicularis Round leaved heermann's lotus
native
Perennial herb  2014 Neal Kramer
 2017 John Doyen
 2018 Debra L. Cook
|
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Acmispon junceus var. biolettii Bioletti's rush lotus
native
Perennial herb  2017 John Doyen
 2013 Aaron Arthur
 2013 Aaron Arthur
|
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Acmispon junceus var. junceus Rush lotus
native
Perennial herb  2013 Al Keuter
 2016 Neal Kramer
 2006 Adonis (Don) Tate
|
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Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2019 Mary Conway
|
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Acmispon micranthus Small flowered lotus
native
Annual herb  2016 Aaron Echols
 2019 Ron Vanderhoff
 2016 James Bailey
|
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Acmispon parviflorus Hill lotus
native
Annual herb  2019 Chico Hiking Association
 2019 Ron Vanderhoff
 2019 Chico Hiking Association
|
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Acmispon strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
|
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Actaea rubra Red baneberry, Western baneberry
native
Perennial herb  2020 Bob Sweatt
 2016 Cindy Roessler
 2007 Louis-M. Landry
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Adelinia grandis
|
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native
Tree, Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2019 Gary McDonald
|
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Adiantum aleuticum Five finger fern
native
Fern  2018 Neal Kramer
 2008 Rodney W. Lacey
 2021 R.A. Chasey
|
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Adiantum jordanii Adiantum
native
Fern  2005 George W. Hartwell
 2019 Ron Vanderhoff
 2006 Steve Matson
|
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Ageratina adenophora Sticky snakeroot, Thoroughwort
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2017 Keir Morse
 2019 Ron Vanderhoff
|
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Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2007 Gerald Carr
|
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Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass  2008 Keir Morse
 2009 Zoya Akulova
 2018 Neal Kramer
|
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Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass  2011 Barry Breckling
 2011 Barry Breckling
 2005 Steve Matson
|
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Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass  2012 Vernon Smith
 2009 Robert Steers
 2008 Keir Morse
|
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Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Rachelle Gray
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Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2010 Zoya Akulova
|
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Allophyllum glutinosum Sticky false gilia, Sticky false gilyflower
native
Annual herb  2008 Lynn Watson
 2008 Lynn Watson
 2019 Diane Etchison
|
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Ambrosia chamissonis Beach bur, Silver beachweed
native
Perennial herb  2016 John Doyen
 2018 Andy Jones
 2006 Matt Below
|
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Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck
native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2015 Jesse Rorabaugh
|
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Amsinckia spectabilis var. microcarpa Small fruit seaside fiddleneck
native
Annual herb  1997 Christopher L. Christie
 1997 Christopher L. Christie
 2006 Adonis (Don) Tate
|
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Amsinckia spectabilis var. spectabilis Seaside fiddleneck
native
Annual herb  2015 Zoya Akulova
 2015 Susan McDougall
 2015 Robert Sikora
|
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Anaphalis margaritacea Pearly everlasting
native
Perennial herb  2020 Bob Sweatt
 2020 Cara Wilcox
 2020 Cara Wilcox
|
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Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb  2019 David Greenberger
 2018 Joshua Borkowski
 2019 David Greenberger
|
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Aphanes occidentalis Western lady's mantle
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2017 Ron Vanderhoff
 2009 Keir Morse
|
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Aphyllon californicum ssp. grande California broomrape
native
Perennial herb (parasitic)  2002 Dean Wm. Taylor
 2001 Alison E.L. Colwell
 2011 Chris Winchell
|
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Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley
native
Annual herb  2008 Keir Morse
 2018 Ron Vanderhoff
 2006 Keir Morse
|
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Apium graveolens Smallage, Garden celery
non-native
Annual, Biennial herb  2016 Neal Kramer
 2020 Ron Vanderhoff
 2006 Keir Morse
|
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Aptenia cordifolia Baby sun rose, Dew plant
non-native
Perennial herb  2007 Louis-M. Landry
 2005 Luigi Rignanese
 2001 Tony Morosco
|
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Aralia californica California spikenard, Elk's clover, Elkclover
native
Perennial herb  2020 Tri Do
 2020 Tri Do
 2014 James Gonsman
|
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Arbutus menziesii Madrono, Pacific madrone
native
Tree  2008 Neal Kramer
 2015 Susan McDougall
 2018 Eliezer Margolis
|
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Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita
native
Shrub  2020 Mike Russler
 2019 Susan McDougall
 2016 Adam Chasey
|
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Arctostaphylos morroensis Morro manzanita
 2020 David Greenberger
 2014 Neal Kramer
 2020 David Greenberger
|
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Arctostaphylos tomentosa ssp. daciticola Dacite manzanita
 2020 David Greenberger
 2019 Susan McDougall
 2012 John Game
|
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub  2019 Aaron Echols
 2018 James Gonsman
 2020 Ron Vanderhoff
|
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2018 Stacie Wolny
 2017 Alison Sheehey
 2016 Glen Schneider
|
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Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb  2016 Joan Hampton
 2019 Ron Vanderhoff
 2008 Keir Morse
|
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Asparagus asparagoides African asparagus fern
• invasive non-native
Vine  2017 B.J. Dion
 2019 Ron Vanderhoff
 2011 P.Roullard
|
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Asparagus officinalis ssp. officinalis Garden asparagus
non-native
Perennial herb  1995 Saint Mary's College of California
 1995 Saint Mary's College of California
 1995 Saint Mary's College of California
|
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Asphodelus fistulosus Asphodel, Onionweed
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Nicole Leatherman
|
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Astragalus nuttallii var. nuttallii Nuttall's milkvetch, Ocean bluff milk vetch
 2006 Steve Matson
 2019 Susan McDougall
 2019 Susan McDougall
|
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Astragalus nuttallii var. virgatus Nuttall's milkvetch, Ocean bluff milk vetch, San francisco rattleweed
native
Perennial herb  2012 Aaron Schusteff
 2010 Neal Kramer
 2015 Zoya Akulova
|
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Astragalus pomonensis Pomona milk vetch, Pomona milkvetch
native
Perennial herb  2017 Keir Morse
 2015 Richard Spellenberg
 2017 Diane Etchison
|
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Athyrium filix-femina var. cyclosorum Common lady fern, Subarctic lady fern, Western lady fern
native
Fern  2008 Keir Morse
 2019 Susan McDougall
 2008 Keir Morse
|
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Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale
native
Perennial herb  2019 Angelique Herman
 2019 Diane Etchison
 2009 Neal Kramer
|
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Atriplex prostrata Fat-hen
non-native
Annual herb  2012 Robert Sikora
 2004 Bob Huettmann
 2018 Ron Vanderhoff
|
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Atriplex semibaccata Australian saltbush
• invasive non-native
Perennial herb  2007 Neal Kramer
 2014 Neal Kramer
 2018 Ron Vanderhoff
|
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Atriplex watsonii Matscale, Watson's saltbush
native
Perennial herb  2011 Neal Kramer
 2020 Ron Vanderhoff
 2014 Steve Matson
|
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Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
|
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2008 Keir Morse
 2002 James B. Gratiot
 2008 Zoya Akulova
|
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Avena sativa Common oats, Cultivated oats, Wild oat
non-native
Annual, Perennial grass  2002 Brent Miller
 2006 Louis-M. Landry
 2006 Luigi Rignanese
|
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Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub  2018 Cynthia Powell
 2020 Alina Nuebel
 2019 Talila Golan
|
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Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb  2014 Susan McDougall
 2013 Debra L. Cook
 2014 Susan McDougall
|
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Blitum californicum
|
|
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush
native
Perennial grasslike herb  2015 Keir Morse
 2013 James Gonsman
 2011 Neal Kramer
|
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Bolboschoenus robustus x B. maritimus
|
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Brachypodium hybridum
|
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Brassica nigra Black mustard
• invasive non-native
Annual herb  2011 Jorg & Mimi Fleige
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Brassica oleracea Cabbage
non-native
Annual herb  2011 Vernon Smith
 2010 Dr. Mark S. Brunell
 2005 Louis-M. Landry
|
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Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb  2017 Cynthia Powell
 2008 Neal Kramer
 2018 Angelique Herman
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
|
|
Bromus catharticus var. catharticus Rescue grass
non-native
Annual, Perennial grass  2020 Jean Pawek
 2020 Jean Pawek
 2019 John Rawlings
|
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Bromus catharticus var. elatus Chilean brome
non-native
Annual, Perennial grass  2006 Steve Matson
 2006 Steve Matson
 2006 Steve Matson
|
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2009 Neal Kramer
 1995 Saint Mary's College of California
 2020 Julie A. Kierstead
|
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Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2006 Brent Miller
 2018 Gary McDonald
 2018 Gary McDonald
|
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Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome
non-native
Annual grass  2009 Keir Morse
 2009 Barry Rice
 2005 Steve Matson
|
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Bromus pseudolaevipes Coast range brome, Southern chinook brome
native
Perennial grass  2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
 2019 Ron Vanderhoff
|
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Bromus rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
|
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Cakile maritima European searocket, Sea rocket
• invasive non-native
Annual herb  2009 Neal Kramer
 2019 Cynthia Powell
 2014 James Gonsman
|
|
Calandrinia breweri Brewer's calandrinia
 2018 Neal Kramer
 2018 Michael Mitchell
 2019 Michael Mitchell
|
|
Calandrinia menziesii red maids, Calandrinia
native
Annual herb  2019 Ron Vanderhoff
 2020 Bob Sweatt
 2019 Ron Vanderhoff
|
|
Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine  2013 Zoya Akulova
 2014 Wynn Anderson
 2020 James Gonsman
|
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Calystegia soldanella Beach morning glory, Beach morningglory
native
Perennial herb  2020 David Greenberger
 2008 John Dittes
 2019 Bill Schmidt
|
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Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup
native
Annual herb  2011 Jorg & Mimi Fleige
 2015 Diane Etchison
 2015 Diane Etchison
|
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Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose
native
Annual, Perennial herb  2019 Patrick Furtado
 2019 Patrick Furtado
 2014 Robert Sikora
|
|
Camissoniopsis micrantha Spencer primrose
native
Annual herb  2019 Susan McDougall
 2009 Neal Kramer
 2014 Diane Etchison
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2007 Carol W. Witham
 2019 Cynthia Powell
 2020 Bob Sweatt
|
|
Cardamine californica Bitter cress, California toothwort
native
Perennial herb  2019 Ron Vanderhoff
 2018 Lynn Sweet
 2019 Ron Vanderhoff
|
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Cardionema ramosissimum Sand mat, Sandcarpet
native
Perennial herb  2011 Jorg & Mimi Fleige
 2019 John Rawlings
 2019 John Rawlings
|
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2006 Chris Wagner, SBNF
|
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Carduus tenuiflorus Italian thistle, Slender flowered thistle, Winged plumeless thistle
• invasive non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
|
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Carex globosa Round fruit sedge
native
Perennial grasslike herb  2010 Dean W. Taylor, Ph.D
 2009 Neal Kramer
 2014 Steve Matson
|
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Carex obnupta Coast carex, Slough sedge
native
Perennial grasslike herb  2007 Neal Kramer
 2008 Keir Morse
 2014 Zoya Akulova
|
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Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb  2020 Ken Hickman
 2020 John Rawlings
 2020 Steve Matson
|
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Carex subbracteata Small bract sedge
native
Perennial grasslike herb  2012 Jake Ruygt
 2012 Jake Ruygt
 2003 Steve Matson
|
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Carpobrotus chilensis Sea fig
• invasive non-native
Perennial herb  2018 Nicole Leatherman
 2006 Joseph Dougherty, M.D./ecology.or
 2018 Ron Vanderhoff
|
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Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb  2008 Neal Kramer
 2017 Lisa Miller
 2012 Jon Hall
|
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Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
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Castilleja densiflora ssp. densiflora Dense flower owl's clover, Denseflower indian paintbrush
native
Annual herb  2018 Hayley Ross
 2019 Verna Jigour
 2014 James Gonsman
|
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Castilleja exserta ssp. exserta Exserted indian paintbrush, Pale purple owlclover, Purple owl's clover
native
Annual herb  2020 David Greenberger
 2017 Keir Morse
 2018 Gary McDonald
|
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Ceanothus cuneatus var. fascicularis Sand buck brush, Sedgeleaf buckbrush
 2020 David Greenberger
 2012 Neal Kramer
 2012 Neal Kramer
|
|
Ceanothus cuneatus var. ramulosus Buck brush
native
Shrub  2019 Susan McDougall
 2014 Robert Sikora
 2019 Susan McDougall
|
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Ceanothus papillosus Wartleaf ceanothus
native
Shrub  2019 Susan McDougall
 2020 David Greenberger
 2019 Susan McDougall
|
|
Ceanothus thyrsiflorus var. griseus Carmel ceanothus
native
Shrub  2006 Steve Matson
 2014 Robert Sikora
 and Buff Corsi
© 2009 California Academy of Sciences
|
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Cenchrus clandestinus Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass  2019 Cynthia Powell
 2008 Neal Kramer
 2017 Nick Graver
|
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Cenchrus longisetus Feathertop
• invasive non-native
Perennial grass  2018 Ron Vanderhoff
 2001 Tony Morosco
 2018 Steven Cognac
|
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
|
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Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2009 Barry Breckling
|
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Chenopodiastrum murale
|
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Chenopodium berlandieri var. zschackei Pit seed goosefoot
native
Annual herb  2018 Gerald Carr
 2018 Gerald Carr
 2018 Gerald Carr
|
|
Chloropyron maritimum ssp. maritimum Salt marsh bird's-beak
 2018 Ron Vanderhoff
 2010 Chris Winchell
 2019 Bonnie Nickel
|
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Chorizanthe angustifolia Narrow leaf spineflower, Narrowleaf spineflower
native
Annual herb  2013 John Doyen
 2020 David Greenberger
 2006 Laura Ann Eliassen
|
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Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin
native
Tree, Shrub  2009 Neal Kramer
 2017 Zachariah Jordan
 2010 Neal Kramer
|
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Cicuta douglasii Western water hemlock
native
Perennial herb  2008 Margo Bors
 2012 Jean Pawek
 2020 Julie A. Kierstead
|
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Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb  2007 Neal Kramer
 2014 Margo Bors
 2018 Brian Charles
|
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Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle
native
Perennial herb  2018 Ken Hickman
 2009 John W. Wall
 2019 Randy Huey
|
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2005 Christopher L. Christie
 2019 Gustavo Vasquez
 2019 Ron Vanderhoff
|
|
Clarkia cylindrica ssp. cylindrica Speckled clarkia
native
Annual herb  2019 David Greenberger
 2019 Bryant Baker
 2012 Neal Kramer
|
|
Clarkia prostrata Prostrate clarkia
native
Annual herb  2012 Lynn Robertson
 2013 David Wolfson
 2012 Lynn Robertson
|
|
Clarkia purpurea ssp. quadrivulnera Purple clarkia, Purple godetia, Winecup clarkia
native
Annual herb  2019 Joe Engelbrecht
 2020 Steve Laymon
 2019 David Magney
|
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Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2017 Gary McDonald
|
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Claytonia perfoliata ssp. mexicana Southern miner's lettuce
native
Annual herb  2002 Dean Wm. Taylor
 2014 Susan McDougall
 2013 Susan McDougall
|
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Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Chico Hiking Association
 2019 Gary McDonald
|
|
Clematis ligusticifolia Creek clematis, Western virgin's bower, Western white clematis
native
Perennial herb, Vine  2018 Diane Etchison
 2020 Emily Sluiman
 2009 Neal Kramer
|
|
Clinopodium douglasii Yerba buena
native
Perennial herb  2019 Gary McDonald
 2012 Gary McDonald
 2012 Gary McDonald
|
|
Collinsia bartsiifolia var. davidsonii Davidson's blue eyed mary, Davidson's collinsia
native
Annual herb  2009 Keir Morse
 2005 Christopher L. Christie
 2005 Christopher L. Christie
|
|
Collomia heterophylla Variableleaf collomia, Varied leaved collomia
native
Annual herb  2018 Stacie Wolny
 2019 Mary Conway
 2020 Jennifer Mo
|
|
Conicosia pugioniformis False ice plant, Narrow leaved iceplant
• invasive non-native
Perennial herb  2019 Michael Chasse
 2019 Michael Chasse
 2015 Michael Chasse
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2008 Keir Morse
 2013 Toni Corelli
 2019 Ron Vanderhoff
|
|
Cordylanthus rigidus ssp. rigidus Rigid bird's beak, Stiffbranch bird's beak
native
Annual herb  2009 Keir Morse
 2013 Neal Kramer
 2019 R.A. Chasey
|
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2018 Ron Vanderhoff
 2019 Bonnie Nickel
 2019 stephen rosenthal
|
|
Cornus sericea ssp. sericea American dogwood, Creek dogwood, Red osier dogwood
native
Shrub  2020 Doug Allshouse
 2019 Richard Spjut
 2020 Bob Sweatt
|
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass  2008 Neal Kramer
 2001 Tony Morosco
 2017 Lynn Overtree
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb  2016 Chris Leslie
 2018 Cynthia Powell
 2018 Bill Schmidt
|
|
Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Crassula tillaea Mediterranean pygmy weed, Moss pygmyweed
non-native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Crocanthemum scoparium peak rush-rose, broom rush-rose
native
Shrub  2020 Stacie Wolny
 2020 Stacie Wolny
 2015 Richard Spellenberg
|
|
Croton californicus California croton, Desert croton
native
Perennial herb  2002 Lynn Watson
 2005 Michelle Cloud-Hughes
 2008 Steve Matson
|
|
Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb  2011 Steve Matson
 2020 Ryan Carle
 2011 Steve Matson
|
|
Cryptantha microstachys Popcorn flower, Tejon cryptantha
native
Annual herb  2019 Diane Etchison
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange
native
Perennial herb, Vine  2019 Bonnie Nickel
 2019 Ron Vanderhoff
 2019 Bonnie Nickel
|
|
Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder
native
Annual herb, Vine (parasitic)  2010 Vernon Smith
 2017 David popp
 2010 Neal Kramer
|
|
Cuscuta californica var. papillosa Chaparral dodder, Papillate dodder
native
Annual herb, Vine (parasitic)  2016 Keir Morse
 2016 Keir Morse
 2003 Keir Morse
|
|
native
Annual herb, Vine (parasitic)  2020 R.A. Chasey
 2020 Ron Vanderhoff
 2020 R.A. Chasey
|
|
Cuscuta subinclusa Canyon dodder
native
Annual herb, Vine (parasitic)  2008 Neal Kramer
 2003 Michelle Cloud-Hughes
 2017 Trevor Schalla
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Zoya Akulova
|
|
Danthonia californica California oatgrass
native
Perennial grass  2020 Sara Timby
 2007 Steve Matson
 2002 Bart and Susan Eisenberg
|
|
Datura stramonium Jimson weed, Jimsonweed
non-native
Annual herb  2013 Neal Kramer
 2004 Joseph Dougherty/ecology.org
 2013 Neal Kramer
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2014 Gary McDonald
 2014 Gary McDonald
|
|
Deinandra increscens ssp. increscens Grassland tarweed
native
Annual herb  2011 George Williams
 2003 Lynn Watson
|
|
Delairea odorata Cape ivy
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Delphinium californicum ssp. californicum California larkspur
native
Perennial herb  2010 Margo Bors
 2005 Doreen L. Smith
 2017 Michelle Bosch
|
|
Dendromecon rigida Bush poppy, Tree poppy
native
Shrub  2019 Eliezer Margolis
 2018 Hunter Breck
 2019 Hannah Garcia
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass  2009 Adonis (Don) Tate
 2008 Keir Morse
 2008 Keir Morse
|
|
Descurainia pinnata ssp. glabra Smooth western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb  2004 Michelle Cloud-Hughes
 2010 Steve Matson
 2010 James M. Andre
|
|
Diplacus aurantiacus var. aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2020 Ron Vanderhoff
|
|
native
 2008 Steve Matson
 2016 Steve Matson
 2008 Steve Matson
|
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2005 Steve Matson
|
|
Dithyrea maritima Beach shieldpod, Beach spectaclepod
 2014 John Game
 2019 Spencer Riffle
 1984 California Native Plant Society
|
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb  2014 Neal Kramer
 2009 Barry Breckling
 2009 Keir Morse
|
|
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil
native
Perennial herb  2020 Mary Conway
 2012 Robert Sikora
 2012 Robert Sikora
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2019 Ron Vanderhoff
 2004 Brent Miller
 2019 Rebecca Crowe
|
|
Dudleya caespitosa Coast dudleya, Sand lettuce
native
Perennial herb  2009 Zoya Akulova
 2008 Neal Kramer
 2019 Patrick Furtado
|
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass  2013 Dale Ritenour
 2019 Ron Vanderhoff
 2014 Neal Kramer
|
|
Ehrharta erecta Panic veldtgrass, Upright veldt grass
• invasive non-native
Perennial grass  2012 Margo Bors
 2010 Neal Kramer
 2009 Margo Bors
|
|
Elymus condensatus Giant wild rye
native
Perennial grass  2011 Neal Kramer
 2010 Michael O'Brien
 2006 Adonis (Don) Tate
|
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2009 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Elymus mollis ssp. mollis American dune grass, sea lyme grass
native
Perennial grass  2008 Neal Kramer
 2008 Neal Kramer
 2012 Robert Steers/NPS
|
|
Elymus pacificus Pacific wild rye
native
Perennial grass  2006 Tom Annese
 2006 Tom Annese
 2010 Robert Steers/NPS
|
|
Elymus triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Emex spinosa Devil's thorn, Spiny threecornerjack
• invasive non-native
Annual herb  2017 Barbara Boethling
 2015 Ron Vanderhoff
 2016 Barbara Boethling
|
|
Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2007 Neal Kramer
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb  2017 Gary McDonald
 2019 Ron Vanderhoff
 2019 Gary McDonald
|
|
Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern  2008 Neal Kramer
 2008 Neal Kramer
 2005 James M. Andre
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern  2011 Toni Corelli
 2013 Ron Vanderhoff
 2015 Ron Vanderhoff
|
|
Eriastrum densifolium ssp. densifolium Giant eriastrum
native
Perennial herb  2014 Neal Kramer
 2014 Neal Kramer
 2007 Ken Sikes
|
|
Ericameria ericoides California goldenbush, Mock heather
native
Shrub  2003 Christopher L. Christie
 2020 R.A. Chasey
 2014 Robert Sikora
|
|
Erigeron blochmaniae Blochman's erigeron, Blochman's leafy daisy
 2003 Christopher L. Christie
 2010 Chris Winchell
|
|
Erigeron canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2020 Ken Lunders
 2018 Matthew Chaney
|
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub  2011 Dean Wm. Taylor, Ph.D.
 2007 Neal Kramer
 2014 Steve Matson
|
|
Erigeron foliosus var. franciscensis Franciscan erigeron, San francisco leafy fleabane
native
Perennial herb  1993 Doreen L. Smith
 2018 Vernon Smith
 2018 Vernon Smith
|
|
Erigeron sanctarum Saints' daisy, Saints' fleabane
 2000 John Game
 2016 David Wolfson
 2009 Adonis (Don) Tate
|
|
Eriodictyon altissimum Indian knob mountainbalm
 2012 David Wolfson
 2015 Aaron Schusteff
 2015 Aaron Schusteff
|
|
Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub  2019 Joerg Lohse
 2018 Ron Vanderhoff
 2013 Neal Kramer
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
|
|
Eriophyllum multicaule Branched woolly sunflower, Many stemmed eriophyllum, Manystem woolly sunflower
native
Annual herb  2020 David Wolfson
 2008 Keir Morse
 2017 Adonis Tate
|
|
Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower
native
Perennial herb  2013 James Gonsman
 2016 Andrew Longman
 2019 Mary Conway
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2012 Neal Kramer
 2014 Keir Morse
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2016 Keir Morse
 2020 Julia Markey
 2019 Diane Etchison
|
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb  2012 Neal Kramer
 2018 Ron Vanderhoff
 2007 Luigi Rignanese
|
|
Erysimum suffrutescens Suffrutescent wallflower
 2020 David Greenberger
 2013 Debra L. Cook
 2011 Aaron Arthur
|
|
Erythranthe cardinalis Cardinal monkey flower
native
Perennial herb  Geoff Burleigh
 Geoff Burleigh
 2019 Diane Etchison
|
|
Erythranthe guttata Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2019 Chico Hiking Association
 2015 James Gonsman
|
|
Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy
native
Annual herb  2009 Keir Morse
 2009 Keir Morse
 2020 Evan MacKinnon
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2021 Ron Vanderhoff
 2020 Amy Rapport
 2009 Barry Rice
|
|
Eucalyptus botryoides
|
|
Eucalyptus camaldulensis Red gum, Red river gum, River redgum
• invasive non-native
Tree  2005 Brent Miller
 2017 Zoya Akulova
 2017 Zoya Akulova
|
|
Eucalyptus cladocalyx Sugar gum, Sugargum
• invasive non-native
Tree  2010 Michael O'Brien
 2011 Michael O'Brien
 2011 Michael O'Brien
|
|
Eucalyptus conferruminata Spider gum, bushy yate
non-native
Tree  2006 Steve Matson
 2006 Steve Matson
 2006 Steve Matson
|
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree  2013 Zoya Akulova
 2008 Neal Kramer
 2017 Zoya Akulova
|
|
Eucalyptus viminalis Manna gum
non-native
Tree  Charles Webber1999 California Academy of Sciences
 2020 Diana Wahl
 2020 Diana Wahl
|
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2019 Ron Vanderhoff
|
|
Euphorbia crenulata Chinese caps, Chinesecaps
native
Annual, Perennial herb  2009 Barry Breckling
 2008 Steve Matson
 2008 Steve Matson
|
|
Euphorbia peplus Petty spurge
non-native
Annual herb  2010 Neal Kramer
 2006 Steve Matson
 2005 Luigi Rignanese
|
|
Extriplex californica California orach
native
Perennial herb  2006 Steve Matson
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2020 Thomas Reyes
|
|
Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Festuca californica California fescue
native
Perennial grass  2019 Justin Luong
 2008 Keir Morse
 2012 Aaron Arthur
|
|
Festuca elmeri Coast fescue, Elmer fescue
native
Perennial grass  2002 Dean Wm. Taylor
 2020 John Rawlings
 2008 Steve Matson
|
|
Festuca microstachys Small fescue
native
Annual grass  2008 Keir Morse
 2002 Dean Wm. Taylor
 2011 Steve Matson
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2013 Al Keuter
 2013 Al Keuter
|
|
Festuca occidentalis Western fescue
native
Perennial grass  2008 Keir Morse
 2011 Steve Matson
 2011 Steve Matson
|
|
Festuca octoflora Sixweeks grass
native
Annual grass  2009 Neal Kramer
 2013 Robert Steers/NPS
 2005 Steve Matson
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2015 Neal Kramer
|
|
Fragaria vesca California strawberry, Wild strawberry, Wood strawberry
native
Perennial herb  2020 Cara Wilcox
 2020 Cara Wilcox
 2020 Susan McDougall
|
|
Frangula californica ssp. californica California coffeeberry
native
Shrub  2019 Mary Conway
 2017 Gary McDonald
 2019 Mary Conway
|
|
Frankenia salina Alkali heath, Alkali seaheath, Yerba reuma, alkali heath
native
Perennial herb  2019 Patrick Furtado
 2006 Steve Matson
 2019 Diane Etchison
|
|
Fritillaria affinis Checker lily, Mission bells
native
Perennial herb (bulb)  2020 Karen Swift
 2020 Karen Swift
 2020 Tina Curiel
|
|
Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb)  2008 Andrew Borcher
 2020 David Greenberger
 2018 Michael Mitchell
|
|
Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw
native
Perennial herb  2018 Gary McDonald
 2019 Marisa Persaud
 2012 Gary McDonald
|
|
Galium andrewsii ssp. andrewsii Andrews' bedstraw, Phlox leaved bedstraw
native
Perennial herb 2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium californicum ssp. californicum California bedstraw
native
Perennial herb  2018 Ken Hickman
 2017 Ken Hickman
 2015 James Gonsman
|
|
Galium parisiense Wall bedstraw
non-native
Annual herb  2009 Barry Breckling
 2019 Diane Etchison
 2005 Keir Morse
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2007 Neal Kramer
 2021 Ron Vanderhoff
 2021 Ron Vanderhoff
|
|
Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2021 Zoya Akulova-Barlow
 2019 Gary McDonald
|
|
Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush
native
Tree, Shrub  2004 Michael Charters
 2009 Aaron Schusteff
 2014 Zoya Akulova
|
|
Gastridium phleoides Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2017 Gary McDonald
|
|
Geranium carolinianum Carolina geranium
native
Annual herb  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2004 Carol W. Witham
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2003 Lynn Watson
 2015 Chris Jaster
 2019 Randy Huey
|
|
Geranium rotundifolium Round leaved geranium, Roundleaf geranium
non-native
Annual herb  2017 James Bailey
 2009 Dean Wm. Taylor
 2019 Adonis Tate
|
|
Gilia achilleifolia ssp. achilleifolia California gilia
native
Annual herb  2009 Keir Morse
 2003 Christopher L. Christie
 2018 Steven Perry
|
|
Grindelia hirsutula Gumweed, Hairy gumweed
native
Perennial herb  2020 stephen rosenthal
 2015 Ken Lunders
 2020 R.A. Chasey
|
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub  2011 Neal Kramer
 2011 Neal Kramer
 2011 Neal Kramer
|
|
Hedypnois rhagadioloides Crete weed
non-native
Annual herb  2012 Michael Perlmutter
 2014 Ramona Robison
 2017 Thomas Reyes
|
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2013 Toni Corelli
 2015 Stephen Rosenthal
|
|
Heliotropium curassavicum var. oculatum Alkali heliotrope, Seaside heliotrope
native
Perennial herb  2020 Charles Russell
 2019 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle
native
Annual herb  2016 Ron Vanderhoff
 2006 Steve Matson
 2003 Michael Charters
|
|
Hesperocyparis macrocarpa Monterey cypress
native
Tree  2019 Patrick Furtado
 2009 Keir Morse
 2019 Susan McDougall
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb  2001 Jeff Abbas
 2014 Robert Sikora
 2017 Hilary Mills
|
|
Hieracium argutum Southern hawkweed
native
Perennial herb  2015 Keir Morse
 2010 Adonis (Don) Tate
 2015 Keir Morse
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2008 Neal Kramer
|
|
Hoita orbicularis Creeping leather root, Round leaved psoralea, Roundleaf leather root
native
Perennial herb  2011 Barry Breckling
 2012 Jean Pawek
 2011 Barry Breckling
|
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2018 Chico Hiking Association
 2020 Camille Nowell
 2019 Bob Sweatt
|
|
Hordeum brachyantherum ssp. californicum California barley, California meadow barley
native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2015 Richard Chasey
 2009 Keir Morse
 2010 Neal Kramer
|
|
Horkelia cuneata var. cuneata Wedge leaved horkelia
native
Perennial herb  2013 Jean Pawek
 2018 Debra L. Cook
 2018 Debra L. Cook
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Iris douglasiana Douglas iris, Douglas' iris
native
Perennial herb  2019 Adam Chasey
 2020 Susan McDougall
 2009 John W. Wall
|
|
Isocoma menziesii var. vernonioides Coastal goldenbush, Green leaved dune goldenbush, Menzies' goldenbush
native
Shrub  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2007 Neal Kramer
|
|
Isolepis cernua Low bulrush
native
Annual grasslike herb  2011 Neal Kramer
 2010 Aaron Arthur
 2018 Ron Vanderhoff
|
|
Jaumea carnosa Fleshy jaumea, Marsh jaumea
native
Perennial herb  2020 Ron Vanderhoff
 2018 Angelique Herman
 2020 R.A. Chasey
|
|
Juncus acutus ssp. leopoldii Leopold's rush, Southwestern spiny rush, Wire grass
 2018 Ron Vanderhoff
 2019 Susan McDougall
 2019 Belinda Lo
|
|
Juncus balticus ssp. ater Baltic rush
native
Perennial grasslike herb  © 2015 Steve Matson
 2018 Ron Vanderhoff
 2015 Steve Matson
|
|
Juncus breweri Brewer's rush
native
Perennial grasslike herb  2016 Steve Matson
 2016 Steve Matson
 2020 Adonis Tate
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus effusus ssp. pacificus Pacific rush
native
Perennial grasslike herb  2007 Neal Kramer
 2008 Neal Kramer
 2013 Robert Steers/NPS
|
|
Juncus hesperius Coast or bog rush
native
Perennial grasslike herb  2019 Patrick Furtado
 2019 Patrick Furtado
 2012 Aaron E. Sims
|
|
Juncus lescurii Dune rush
native
Perennial grasslike herb  2007 Neal Kramer
 2004 Steve Matson
 2004 Steve Matson
|
|
Juncus occidentalis Rush, Slender juncus, Western rush
native
Perennial grasslike herb  2007 Neal Kramer
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2014 Mike Wood
 2007 Neal Kramer
|
|
Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb  2019 Dee Shea Himes
 2007 Neal Kramer
 2017 Adam Chasey
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb  2016 Erik Larsen
 2021 Stephen Rosenthal
 2017 Ron Vanderhoff
|
|
Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella
native
Shrub  2020 Ron Vanderhoff
 2018 Diane Etchison
 2019 Aaron Echols
|
|
Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort
non-native
Perennial herb  2018 Ron Vanderhoff
 2020 joaquin hale
 2020 joaquin hale
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass  2003 Bart and Susan Eisenberg
 2011 RT Hawke
 2020 Julie A. Kierstead
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2019 David popp
 2012 Vernon Smith
 2008 Jorg Fleige
|
|
Lamarckia aurea Goldentop grass
non-native
Annual grass  2006 Luigi Rignanese
 2019 Ron Vanderhoff
 2007 Neal Kramer
|
|
Lastarriaea coriacea Leather spineflower
native
Annual herb  2017 Ron Vanderhoff
 2018 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Lasthenia gracilis Needle goldfields
native
Annual herb  2014 Keir Morse
 2010 Barry Breckling
 2017 John Doyen
|
|
Lathyrus jepsonii var. californicus California tule pea
native
Perennial herb  2016 Amanda Garcia
 2011 Steven Perry
 2007 Neal Kramer
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb  2019 Julie Kierstead Nelson
 2008 Keir Morse
 2005 Dr. Amadej Trnkoczy
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2020 James Gonsman
 2019 Ron Vanderhoff
|
|
Layia platyglossa Coastal tidytips
native
Annual herb  2015 Amy Rapport
 2019 Jenna T. B. Ekwealor
 2017 Chris Mo
|
|
Lepidium didymum Lesser swine cress
non-native
Annual herb  2007 Neal Kramer
 2009 Neal Kramer
 2016 Ron Vanderhoff
|
|
Lepidium draba Whitetop
• invasive non-native
Perennial herb  2007 Luigi Rignanese
 2012 Ramona Robison
 2018 John Doyen
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb  2019 Neal Kramer
 2019 Neal Kramer
 2008 Keir Morse
|
|
Limonium californicum California sealavender, Marsh rosemary, Sea lavender
native
Perennial herb  2018 Saskia Raether
 2010 Jorg Fleige & Mimi Fleige
 2017 MCOSD EDRR
|
|
Lithophragma cymbalaria Mission star, Mission woodland star
native
Perennial herb  2020 Bryant Baker
 2020 Bryant Baker
 2014 Steve Matson
|
|
Lithophragma heterophyllum Hill star, Hillside woodland star
native
Perennial herb  2019 David Greenberger
 2019 David Magney
 2018 Ken Lunders
|
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb  2000 Salvatore Zimmitti
 2015 Chris Jaster
 2017 James Bailey
|
|
Loeflingia squarrosa Spreading loeflingia, Spreading pygmyleaf
native
Annual herb  2008 Keir Morse
 2016 John Doyen
 2008 Keir Morse
|
|
Logfia filaginoides California cottonrose
native
Annual herb  2017 Robert Steers
 2019 Matt Berger
 2015 Diane Etchison
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2013 Keir Morse
 2013 Keir Morse
 2017 Barbara Boethling
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub  2019 Stacie Wolny
 2020 Amy Rapport
 2019 Doug Zimmerman
|
|
Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle
native
Shrub  2007 Neal Kramer
 2020 Susan McDougall
 2011 Toni Corelli
|
|
Lunaria annua Annual honesty, Annual moonwort, Honesty
non-native
Annual, Perennial herb  2011 Steven Perry
 2011 Steven Perry
 2007 Dr. Amadej Trnkoczy
|
|
Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub  2008 Keir Morse
 2020 Richard Spjut
 2020 Susan McDougall
|
|
Lupinus arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub  2020 Steve Matson
 2020 Steve Matson
 2020 Steve Matson
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Ron Vanderhoff
|
|
Lupinus chamissonis Beach blue lupine, Chamisso bush lupine, Dune bush lupine
native
Shrub  2015 Robert Sikora
 2010 Gary A. Monroe
 2013 Robert Sikora
|
|
Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine
native
Annual herb  2016 Ron Vanderhoff
 2017 Aaron Echols
 2019 Ron Vanderhoff
|
|
Lupinus hirsutissimus Stinging annual lupine, Stinging lupine
native
Annual herb  2020 Bryant Baker
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Lupinus latifolius var. latifolius Broad leaf lupine
native
Perennial herb  2009 Thomas Stoughton
 2017 Steve Matson
 2017 Steve Matson
|
|
Lupinus nanus Sky lupine
native
Annual herb  2019 Phyllis Fitzsimons
 2019 Mary Conway
 2019 Phyllis Fitzsimons
|
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb  2018 Stacie Wolny
 2018 Stacie Wolny
 2009 Barry Rice
|
|
Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine
native
Annual herb  2006 Adonis (Don) Tate
 2006 Adonis (Don) Tate
 2008 Keir Morse
|
|
Lupinus variicolor Manycolored lupine, Varied lupine
native
Shrub  2015 John Rusk
 2018 David Greenberger
 2006 Doreen L. Smith
|
|
Luzula comosa var. comosa Hairy wood rush
native
Perennial grasslike herb  2018 Adam Chasey
 2018 Scot Loring
 2018 Scot Loring
|
|
Luzula macrantha
|
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2009 Keir Morse
 2019 Barbara Boethling
|
|
Lysimachia maritima Sea milkwort
native
Perennial herb  2007 Steve Matson
 2013 Vernon Smith
 2007 Steve Matson
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2019 David Magney
 2019 Ron Vanderhoff
 2019 David Magney
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2008 Keir Morse
 2011 Neal Kramer
|
|
Mahonia pinnata ssp. pinnata California barberry, Coast barberry, Shiny leaf barberry
native
Shrub  2007 Neal Kramer
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Maianthemum racemosum Feathery false lily of the valley
native
Perennial herb  2020 Bob Sweatt
 2018 Steve Matson
 2019 Stacie Wolny
|
|
Maianthemum stellatum Starry false lily of the valley
native
Perennial herb  2020 Bob Sweatt
 2020 Jean Anderson
 2020 Susan McDougall
|
|
Malacothrix californica California dandelion, Desert dandelion
native
Annual herb  Geoff Burleigh
 2008 Keir Morse
 Geoff Burleigh
|
|
Malva assurgentiflora Island mallow
native
Shrub  2014 Steve Matson
 2011 Neal Kramer
 2018 Ron Vanderhoff
|
|
Malva neglecta Common mallow, Dwarf mallow
non-native
Annual, Perennial herb  2019 Randy Huey
 2019 Randy Huey
 2005 Brent Miller
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb  2019 Sean Carey
 2012 Neal Kramer
 2015 Jesse Rorabaugh
|
|
Marah fabacea California man-root
native
Perennial herb, Vine  2016 Glen Schneider
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb  2019 Aaron Echols
 ©2013 Gary McDonald
 ©2013 Gary McDonald
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Chico Hiking Association
 2019 Bob Sweatt
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb  2003 Michael Charters
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2009 Keir Morse
 2014 Steve Matson
 2019 Ron Vanderhoff
|
|
Melilotus indicus Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Melilotus officinalis Yellow sweetclover
• invasive non-native
Annual, Biennial herb  2010 Jean Pawek
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Melissa officinalis Bee balm, Common balm, Lemon balm
non-native
Perennial herb  2001 Tony Morosco
 2007 Louis-M. Landry
 2001 Tony Morosco
|
|
Mentzelia micrantha Chaparral blazing star, San Luis blazingstar, San Luis stick leaf
native
Annual herb  2019 Ron Vanderhoff
 2019 Rachelle Gray
 2005 Deborah Dozier
|
|
Microsteris gracilis Slender phlox
native
Annual herb  2003 Steve Matson
 2019 Matt Berger
 2003 Steve Matson
|
 2020 Melissa Mooney
 © 2005 Adonis (Don) Tate
 2017 Keir Morse
|
|
Monardella villosa ssp. obispoensis San luis obispo coyote mint
native
Perennial herb  2011 Chris Winchell
 2011 Chris Winchell
 2011 Chris Winchell
|
|
Morella californica California wax myrtle
native
Shrub  2008 Neal Kramer
 2020 Susan McDougall
 2008 Keir Morse
|
|
Mucronea californica California spineflower
 2020 David Greenberger
 2005 Christopher L. Christie
 2015 Debra L. Cook
|
|
Myoporum laetum Lollypop tree, Ngaio tree
• invasive non-native
Tree, Shrub  2008 Neal Kramer
 2008 Neal Kramer
 2019 Jennifer Mo
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic)  2019 Patrick Furtado
 2019 Diane Etchison
 2016 Joan Hampton
|
|
Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant
native
Annual herb  2007 Laura Ann Eliassen
 2019 Diane Etchison
 2019 Ken Hickman
|
|
Navarretia hamata ssp. parviloba Hooked navarretia, Small lobe navarretia
native
Annual herb  2009 Neal Kramer
 2018 Mary Conway
 2018 Adam Chasey
|
|
Nemacaulis denudata var. denudata Coast woolly heads, Cottonheads
 2014 Aaron Schusteff
 2014 Aaron Schusteff
 2015 Keir Morse
|
|
native
Tree, Shrub  2007 Neal Kramer
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Nuttallanthus texanus Blue toadflax
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2015 Reny Parker
|
|
Oemleria cerasiformis Indian plum, Oso berry
native
Shrub  2019 Stacie Wolny
 2019 Margo Bors
 2019 Stacie Wolny
|
|
Oenanthe sarmentosa Pacific oenanthe, Water parsley
native
Perennial herb  2002 Brad Kelley
 2009 Dr. Mark S. Brunell
 2008 Keir Morse
|
|
Oenothera elata ssp. hookeri Common evening primrose, Evening primrose, Hooker's evening primrose
native
Perennial herb  2018 Toni Corelli
 2009 Neal Kramer
 2018 Adam Chasey
|
|
Osmorhiza berteroi Sweet cicely
native
Perennial herb  2019 David Magney
 2006 Steve Matson
 2020 Bob Sweatt
|
|
Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel
• invasive non-native
Perennial herb  2008 Gary McDonald
 2007 Dr. Amadej Trnkoczy
 2011 Neal Kramer
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb  2019 Gary McDonald
 2019 Randy Huey
 2018 Ron Vanderhoff
|
|
Oxalis pilosa Hairy wood sorrel
native
Annual herb  2010 Robert Steers/NPS
 2017 Elliot Gunnison
 2013 Robert Sikora
|
|
Oxybasis macrosperma
|
|
Paeonia californica California peony
native
Perennial herb  2004 Michelle Cloud-Hughes
 2019 Susan McDougall
 2021 Ron Vanderhoff
|
|
Papaver californicum Fire poppy, Western poppy
native
Annual herb  2014 Ron Vanderhoff
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Papaver somniferum Opium poppy
non-native
Annual herb  2007 Pasi Rein
 2011 Louis-M. Landry
 2011 Louis-M. Landry
|
|
Parietaria hespera var. californica California pellitory
native
Annual herb  2009 Keir Morse
 2009 Keir Morse
 2002 Dean Wm. Taylor
|
|
Pedicularis densiflora Warrior's plume, Indian warrior
native
Perennial herb  2021 Charles Russell
 2020 Bryant Baker
 2009 Ron Vanderhoff
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern  2015 James Gonsman
 2008 Keir Morse
 2018 Gary McDonald
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2014 James Gonsman
|
|
Phacelia douglasii var. douglasii Douglas' phacelia
native
Annual herb  2011 Dylan Neubauer
 2011 Dylan Neubauer
 2014 RT Hawke
|
|
Phacelia malvifolia Stinging phacelia
native
Annual herb  2003 Margo Bors
 2003 Margo Bors
 2015 Zoya Akulova
|
|
Phacelia nemoralis ssp. nemoralis Woods phacelia
native
Perennial herb  2014 Genevieve K. Walden
 © 2014 Aaron Schusteff
 2014 Genevieve K. Walden
|
|
Phacelia ramosissima Branching phacelia
native
Perennial herb  2011 Neal Kramer
 2020 Bob Sweatt
 2020 Ron Vanderhoff
|
|
Phacelia viscida var. viscida Sticky phacelia
native
Annual herb  2017 Gary Andrew
 2017 Keir Morse
 2018 Michael Mitchell
|
|
Phalaris californica California canarygrass, Canarygrass
native
Perennial grass  2017 Toni Corelli
 2017 Toni Corelli
 2018 Brian Charles
|
|
Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass
non-native
Annual grass  2006 James M. Andre
 2014 Steve Matson
 2020 Diane Etchison
|
|
Pholisma arenarium Desert christmas tree, Desert pholisma, Dune food
native
Perennial herb (parasitic)  2020 David Greenberger
 2020 David Greenberger
 2019 Matt Berger
|
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb  2014 James Gonsman
 2014 Keir Morse
 2019 Jennifer Mo
|
|
Phoradendron villosum ssp. villosum Mistletoe
native
Shrub (parasitic)  2021 R.A. Chasey
 2020 R.A. Chasey
 2019 Ron Vanderhoff
|
|
Phyllospadix scouleri Scouler's surfgrass, Surf grass
native
Perennial herb  2008 Gary McDonald
 2008 Gary McDonald
 Gerald and Buff Corsi 2005 California Academy of Sciences
|
|
Phyllospadix torreyi Surf grass, Torrey's surfgrass
native
Perennial herb  2012 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Pinus muricata Bishop pine, Bull pine, Prickle cone pine
native
Tree  2004 Charles E. Jones
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Piperia michaelii Michael's piperia, Michael's rein orchid
 2019 Benjamin Taylor
 2019 stephen rosenthal
 2005 Doreen L. Smith
|
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2007 Carol W. Witham
 2008 Margo Bors
 2008 Neal Kramer
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2016 John Doyen
|
|
Plantago major Common plantain
non-native
Perennial herb  2019 Bob Sweatt
 2019 Bob Sweatt
 2009 Barry Breckling
|
|
Plantago maritima Alkali plantain, Goose tongue, Maritime plantain
native
Perennial herb  2002 Margo Bors
 2007 Neal Kramer
 2014 Zoya Akulova
|
|
Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb  2008 Neal Kramer
 2016 Neal Kramer
 2020 Janice Kuch
|
|
Plectritis ciliosa Long spurred plectritis, Longspur seablush
native
Annual herb  2016 Bill Thiessen
 2018 Japhia Huhndorf
 2009 Keir Morse
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass  2019 Belinda Lo
 2019 Belinda Lo
 2019 Belinda Lo
|
|
Polycarpon depressum California allseed, California manyseed, California polycarpon
native
Annual herb  2011 Neal Kramer
 2013 Keir Morse
 2013 Keir Morse
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2016 John Doyen
 2008 Keir Morse
 2010 Lee Dittmann
|
|
Polygonum aviculare ssp. aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT.
 2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT.
 2020 Ron Vanderhoff
|
|
Polygonum paronychia Beach knotweed, Dune knotweed
native
Perennial herb  2020 Melissa Mooney
 2014 James Gonsman
 2017 Adam Chasey
|
|
Polypodium californicum California polypody
native
Fern  2013 Neal Kramer
 2015 Keir Morse
 2013 Neal Kramer
|
|
Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody
native
Fern  2008 Keir Morse
 2015 James Gonsman
 2014 James Gonsman
|
|
Polypogon australis Chilean beard grass, Chilean rabbitsfoot grass
non-native
Perennial grass  2009 Zoya Akulova
 2009 Zoya Akulova
 2009 Zoya Akulova
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass  2002 Dean Wm. Taylor
 2009 Zoya Akulova
 2017 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2007 Neal Kramer
 2006 Steve Matson
 2006 Luigi Rignanese
|
|
Polypogon viridis Water beard grass
non-native
Perennial grass  2013 Al Keuter
 2013 Al Keuter
 2010 Luigi Rignanese
|
|
Polystichum dudleyi Dudley's sword fern, Dudley's swordfern
native
Fern  2015 Aaron E. Sims and CNPS
 2019 Joerg Lohse
 2018 Diane Renshaw
|
|
Polystichum munitum Western sword fern, Western swordfern
native
Fern  2008 Matt Below
 Gerald and Buff Corsi 2007 California Academy of Sciences
 2011 Toni Corelli
|
|
Populus trichocarpa Black cottonwood
native
Tree  2012 Zoya Akulova
 2014 Ron Vanderhoff
 2020 Susan McDougall
|
|
Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed
native
Perennial herb  2007 Neal Kramer
 2013 James Gonsman
 2015 James Gonsman
|
|
Prunus fasciculata var. punctata Desert almond, Sand almond
 2018 Cindy Roessler
 2009 Adonis (Don) Tate
 2012 Chris Winchell
|
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Holly leaved cherry, Hollyleaf cherry
native
Tree, Shrub  2018 Debra L. Cook
 2019 Bryant Baker
 2019 Marisa Persaud
|
|
Pseudognaphalium beneolens Cudweed
native
Perennial herb  2015 Debra L. Cook
 2015 James Gonsman
 2005 Keir Morse
|
|
Pseudognaphalium biolettii Two-color rabbit-tobacco
native
Perennial herb  2019 Diane Etchison
 2013 Vernon Smith
 2019 Nancy Hamlett
|
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2019 Gary McDonald
 2008 Keir Morse
 2019 Stacie Wolny
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb  2008 Gary McDonald
 2008 Jorg Fleige
 2016 Richard Spellenberg
|
|
Pseudognaphalium ramosissimum Pink cudweed
native
Biennial herb  2013 Neal Kramer
 2018 Parker Santiago
 2013 Neal Kramer
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb  2020 Ryan Carle
 2017 Diane Etchison
 2011 Toni Corelli
|
|
Psilocarphus tenellus Slender woolly marbles, Slender woollyheads
native
Annual herb  2012 Neal Kramer
 2008 Keir Morse
 2002 Dean Wm. Taylor
|
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2011 Zoya Akulova
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb  2020 Dick Rawson
 2018 Ron Vanderhoff
 2020 Dick Rawson
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2002 Doreen L. Smith
 2019 Susan McDougall
 2020 Susan McDougall
|
|
Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak
native
Tree  2017 Aaron Sunshine
 2020 R.A. Chasey
 2018 joaquin hale
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb  2017 Amy Rapport
 2018 Adam Chasey
 2020 stephen rosenthal
|
|
Ranunculus californicus California buttercup
native
Perennial herb  2019 Diane Etchison
 2020 Mitchell Coleman
 2019 Diane Etchison
|
|
Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb  2017 Lisa Miller
 2004 Carol W. Witham
 2008 Thomas Stoughton
|
|
Rhamnus crocea Redberry buckthorn
native
Shrub  2003 Charles E. Jones
 2020 Bryant Baker
 2019 Diane Etchison
|
|
Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry
native
Shrub  2021 Ken-ichi Ueda
 2021 Ken-ichi Ueda
 2021 Ken-ichi Ueda
|
|
Ribes malvaceum var. indecorum White flowering currant, Whiteflower currant
native
Shrub  2020 Diane Etchison
 2020 Diane Etchison
 2019 Diane Etchison
|
|
Ribes menziesii var. menziesii Canyon gooseberry
native
Shrub  2018 Rebecca Schoenenberger
 2019 Michael Mitchell
 2014 Zoya Akulova
|
|
Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant
native
Shrub  2020 Talila Golan
 2018 John Rusk
 2018 Hunter Breck
|
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub  2021 Ron Vanderhoff
 2004 Christopher L. Christie
 2021 Patrick Furtado
|
|
Rosa californica California wild rose, California wildrose
native
Shrub  2008 Ron Wolf
 2018 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub  2009 Genevieve K. Walden
 2009 Barry Breckling
 2012 Aaron Arthur
|
|
Rubus parviflorus Western thimbleberry
native
Vine, Shrub  2004 Robert Sivinski
 2020 Mary Sue Ittner
 2019 Patrick Furtado
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub  2008 Keir Morse
 2008 Keir Morse
 2007 Neal Kramer
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb  2007 Dr. Mark S. Brunell
 2015 Richard Chasey
 2017 Gary McDonald
|
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb  2013 Robert Steers/NPS
 2010 Phil Pullen
 2008 Keir Morse
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb  2018 Tim Lewis
 2019 Diane Etchison
 2018 b potts
|
|
Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Rupertia physodes California tea, Common rupertia, Forest scurfpea
native
Perennial herb  2007 Norman Jensen
 2016 John Doyen
 2009 Chris Wagner
|
|
Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort
non-native
Annual herb  2011 Barry Breckling
 2010 Jennifer Buck
 2012 Robert Steers/NPS
|
|
Sagina decumbens ssp. occidentalis Western pearlwort
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Salicornia pacifica Glasswort, Pacific swampfire, Pickleweed
native
Perennial herb  2012 Robert Sikora
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Salix lasiandra var. lasiandra Pacific willow
native
Tree  2007 Neal Kramer
 2020 Diana Wahl
 2020 Alice Cummings
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2008 Keir Morse
 2012 Zoya Akulova
 2016 Zoya Akulova
|
|
Salvia columbariae Chia sage
native
Annual herb  2020 Ron Vanderhoff
 2019 Gary McDonald
 2019 Gary McDonald
|
|
Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Ron Vanderhoff
|
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Shrub  2019 Bryant Baker
 2018 Julie Kierstead Nelson
 2019 Michael Morrison
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2021 Cynthia Powell
 2020 R.A. Chasey
 2020 Ryan Carle
|
|
Sanicula laciniata Coast sanicle, Coastal blacksnakeroot
native
Perennial herb  2009 Jorg Fleige
 2012 Aaron E. Sims
 2004 Aaron Schusteff
|
|
Schoenoplectus americanus Chairmaker's bulrush
native
Perennial grasslike herb  2010 Louis-M. Landry
 2010 Neal Kramer
 2013 Neal Kramer
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb  2013 Ron Vanderhoff
 2003 Steve Matson
 2014 Zoya Akulova
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2020 Bob Sweatt
 2019 Ron Vanderhoff
 2019 Cynthia Powell
|
|
Scrophularia californica ssp. floribunda California bee plant, California figwort
native
Perennial herb 2020 Bob Sweatt
2019 Ron Vanderhoff
2019 Cynthia Powell
|
|
Senecio aphanactis California groundsel, Chaparral ragwort, Rayless ragwort
 2010 Neal Kramer
 2010 Neal Kramer
 2013 Chris Winchell
|
|
Senecio blochmaniae Dune ragwort
 2010 Chris Winchell
 2003 Christopher L. Christie
 2003 Christopher L. Christie
|
|
Senecio californicus California butterweed, California groundsel, California ragwort
native
Annual herb  2019 Diane Etchison
 2017 David Wolfson
 2019 Diane Etchison
|
|
Senecio glomeratus Cutleaf burnweed
• invasive non-native
Annual, Perennial herb  2009 Zoya Akulova
 2015 Zoya Akulova
 2006 Adonis (Don) Tate
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb  2005 Steve Matson
 2019 Ron Vanderhoff
 2020 Chico Hiking Association
|
|
Senna multiglandulosa Glandular cassia
non-native
Shrub  2011 Neal Kramer
 2011 Neal Kramer
 2011 Neal Kramer
|
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous)  2007 Neal Kramer
 2008 Jorg Fleige
 2012 Robert Sikora
|
|
Sidalcea sparsifolia Southern checkerbloom
native
Perennial herb (rhizomatous)  2009 Thomas Stoughton
 2004 George W. Hartwell
 2009 Thomas Stoughton
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2017 Barbara Boethling
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb  2013 Debra L. Cook
 2002 Lynn Watson
 2014 Diane Etchison
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2009 Barry Rice
 2019 Marisa Persaud
|
|
Sisymbrium irio London rocket
• invasive non-native
Annual herb  2006 Richard Zmasek
 2007 Luigi Rignanese
 2010 Zoya Akulova
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb  2008 Keir Morse
 2013 Neal Kramer
 2006 Luigi Rignanese
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2003 Michael Charters
 2018 Debra L. Cook
 2017 Zoya Akulova
|
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ryan Carle
|
|
Solidago confinis Southern goldenrod
native
Perennial herb  2003 Christopher L. Christie
 2014 Neal Kramer
 2014 Neal Kramer
|
|
Solidago spathulata Dune goldenrod
native
Perennial herb  2016 Steve Matson
 2016 Steve Matson
 2016 Toni Corelli
|
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2017 Hilary Mills
|
|
Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb  2007 Carol W. Witham
 2006 Steve Matson
 2010 Robert Steers/NPS
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2013 Debra L. Cook
 2015 Robert Sikora
 2019 Dean Taylor
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
|
|
Spergula arvensis Corn spurry
non-native
Annual herb  2005 Steve Matson
 2020 Mary Conway
 2008 Keir Morse
|
|
Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry
native
Perennial herb  2008 Steve Matson
 2020 Mary Conway
 2017 B.J. Dion
|
|
Spergularia marina Salt marsh sand spurry
native
Annual herb  2012 Robert Sikora
 2014 Neal Kramer
 2005 Luigi Rignanese
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2008 Keir Morse
 2014 Dee Warenycia
 2009 Thomas Stoughton
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2018 Sheila Lodge
 2020 Bryant Baker
 2020 Ken Lunders
|
|
Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2015 Diane Etchison
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb  2020 Ken Hickman
 2020 Ken Hickman
 2017 David popp
|
|
Stellaria pallida Pale starwort
non-native
Annual herb  2008 Keir Morse
 2005 Keir Morse
 2005 Keir Morse
|
|
Stephanomeria elata Annual mitra, Santa barbara stephanomeria, Santa barbara wirelettuce
native
Annual herb  2003 James B. Gratiot
 2018 Julian Geoghegan
 2018 Julian Geoghegan
|
|
Stephanomeria exigua ssp. carotifera White plume stephanomeria, Whiteplume wirelettuce
native
Perennial herb  2018 Mary Conway
 2018 Mary Conway
 2018 Mary Conway
|
|
Stephanomeria exigua ssp. coronaria Milk aster, White plume wirelettuce, Whiteplume wirelettuce
native
Annual herb  2013 Robert Sikora
 2014 Ron Wolf
 2015 Zoya Akulova
|
|
Stipa lepida Foothill needle grass
native
Perennial grass  2016 Andrew Longman
 2017 Gary McDonald
 2016 Andrew Longman
|
|
Stipa pulchra Purple needle grass
native
Perennial grass  2019 Michelle Karle
 2008 Zoya Akulova
 2019 Ron Vanderhoff
|
|
Stylocline gnaphaloides Everlasting nest straw, Everlasting stylocline, Mountain neststraw
native
Annual herb  2008 Keir Morse
 2009 Neal Kramer
 2021 Ron Vanderhoff
|
|
Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry
native
Shrub  2015 Robert Sikora
 2018 Mary Conway
 2018 Mary Conway
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
|
|
Symphyotrichum chilense California aster, Pacific aster
native
Perennial herb  2020 Mary Conway
 2020 Jennifer Mo
 2018 Stacie Wolny
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2001 Nick Kurzenko
 2018 Chico Hiking Association
 2019 Diane Etchison
|
|
Tetragonia tetragonoides New zealand spinach
non-native
Annual herb  2015 Zoya Akulova
 © 2015 Zoya Akulova
 2015 Zoya Akulova
|
|
Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue
native
Perennial herb  2017 Thomas Reyes
 2019 Patrick Furtado
 2009 Keir Morse
|
|
Thysanocarpus curvipes ssp. curvipes Fringe Pod
native
Annual herb  2019 Matt Berger
 2020 R.A. Chasey
 2018 Zoya Akulova
|
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2008 Keir Morse
|
|
Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2008 Gary McDonald
 2019 Randy Huey
 2008 Zoya Akulova
|
|
Trifolium depauperatum var. amplectens Balloon sack clover, Pale bladder clover, Pale sack clover
native
Annual herb  2018 David Greenberger
 2013 Andrea Williams
 2018 David Greenberger
|
|
Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover
native
Annual herb  2006 Doreen L. Smith
 2008 Zoya Akulova
 2008 Zoya Akulova
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2008 Neal Kramer
 2018 Zoya Akulova
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb  2018 Stacie Wolny
 2019 Ron Vanderhoff
 2018 Stacie Wolny
|
|
Triglochin concinna var. concinna Arrow grass
native
Perennial herb (aquatic)  2014 Neal Kramer
 2012 Vernon Smith
 2014 Neal Kramer
|
|
Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin
native
Perennial herb  2019 Kolby Lundgren
 2015 Nathan Feldman
 2010 Kjirsten Wayman
|
|
Triticum aestivum Common wheat, Wheat
non-native
Annual grass  2004 James M. Andre
 2005 Steve Matson
 2011 Louis-M. Landry
|
|
Tropaeolum majus Garden nasturtium, Nasturtium
• invasive non-native
Annual herb, Vine  2004 Nick Kurzenko
 2014 Zoya Akulova
 Nick Kurzenko
|
|
Turritis glabra Tower rockcress
native
Perennial herb  2009 Thomas Stoughton
 2015 Barry Breckling
 2013 James Gonsman
|
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb  2018 Neal Kramer
 2013 Neal Kramer
 2013 Susan McDougall
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic)  2007 Neal Kramer
 2004 Steve Matson
 2015 Keir Morse
|
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2015 Diane Etchison
 2003 Michael Charters
 2018 David popp
|
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb  2019 Zack Abbey
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb  2017 Ron Vanderhoff
 2019 Bonnie Nickel
 2013 Neal Kramer
|
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb  2019 Gary McDonald
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Vaccinium ovatum California huckleberry, Evergreen huckleberry
native
Shrub  2017 James Gonsman
 2020 Susan McDougall
 2020 Kim Cabrera
|
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2019 Mary Conway
 2018 Mary Conway
|
|
Vicia americana ssp. americana American vetch
native
Perennial herb, Vine  2008 Neal Kramer
 2011 Barry Breckling
 2017 James Gonsman
|
|
Vicia gigantea Giant vetch
native
Perennial herb  2013 James Gonsman
 2019 Cynthia Powell
 2006 Steve Matson
|
|
Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine  2009 Neal Kramer
 2009 Barry Breckling
 2019 Matt Berger
|
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb  2009 Barry Rice
 2020 Julie A. Kierstead
 2020 Julie A. Kierstead
|
|
Viola odorata English violet, Sweet violet
non-native
Perennial herb  2013 Debra L. Cook
 2020 Donald Burk
 2008 Keir Morse
|
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb  2018 James Gonsman
 2014 James Gonsman
 2019 Ken Hickman
|
|
Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern
native
Fern  2019 Julie Kierstead Nelson
 2020 R.A. Chasey
 2019 Susan McDougall
|
|
Xanthium spinosum Spiny clotbur, Spiny cockleburr
non-native
Annual herb  2018 Joslyn Curtis
 2014 Richard Spellenberg
 2008 Neal Kramer
|
|
Zostera marina Eel grass, Eelgrass, Seawrack
native
Perennial herb  2006 Doreen L. Smith
 2006 Doreen L. Smith
 2013 Ron Vanderhoff
|
native
