logo Calflora Illustrated Plant List 

Yosemite Valley
floor of Yosemite Valley

Mariposa County

Dean Taylor  (2010-05-31)

Record Detail Nearby Surveys What Grows Here?
586 PLANTS
Abies concolor var. lowiana    Balsam fir,  White fir,  White silver fir
(currently Abies concolor)
native
Tree

PINACEAE

Abies concolor var. lowiana Abies concolor var. lowiana Abies concolor var. lowiana
2016 Richard Spjut
2009 Sandra Smith
2009 Ryan Gilmore

Abies magnifica    Balsam fir,  California red fir,  Magnificant silver fir
native
Tree

PINACEAE

Abies magnifica Abies magnifica Abies magnifica
2002 Timothy D. Ives
2010 Jean Pawek
2002 Timothy D. Ives

Acer circinatum    Vine maple
native
Tree, Shrub

SAPINDACEAE

Acer circinatum Acer circinatum Acer circinatum
2007 Shawn DeCew
2012 Julie Kierstead Nelson
2013 James Gonsman

Acer glabrum    Rocky mountain maple
native
Tree, Shrub

SAPINDACEAE

Acer glabrum Acer glabrum Acer glabrum
2004 Robert Sivinski
2009 Matt Below
2018 David popp

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum Acer macrophyllum Acer macrophyllum
2008 Abe G. Doherty
2018 Julie Kierstead Nelson
2018 Ron Vanderhoff

Acer saccharinum    Silver maple
non-native
Tree

SAPINDACEAE

Acer saccharinum Acer saccharinum Acer saccharinum
2010 Louis-M. Landry
2008 Louis-M. Landry
2006 Louis-M. Landry

Achillea millefolium var. lanulosa    Common yarrow
(currently Achillea millefolium)
native
Perennial herb

ASTERACEAE

Achillea millefolium var. lanulosa Achillea millefolium var. lanulosa Achillea millefolium var. lanulosa
2008 Keir Morse
2010 Louis-M. Landry
2008 Thomas Stoughton

Achnatherum lemmonii var. lemmonii    Lemmon's needle grass
(currently Stipa lemmonii var. lemmonii)
native
Perennial grass

POACEAE


Achnatherum occidentale ssp. occidentale    Western needle grass
(currently Stipa occidentalis var. occidentalis)
native
Perennial grass

POACEAE

Achnatherum occidentale ssp. occidentale Achnatherum occidentale ssp. occidentale Achnatherum occidentale ssp. occidentale
2013 Robert Steers
2005 Steve Matson
2005 Steve Matson

Achnatherum occidentale ssp. pubescens    Common western needle grass
(currently Stipa occidentalis var. pubescens)
native
Perennial grass

POACEAE


Aconitum columbianum    Columbian monkshood,  Monkshood
native
Perennial herb

RANUNCULACEAE

Aconitum columbianum Aconitum columbianum Aconitum columbianum
2001 James B. Gratiot
2012 Ron Wolf
2012 Ron Wolf

Aconogonon phytolaccifolium    Pokeweed knotweed
native
Perennial herb

POLYGONACEAE

Aconogonon phytolaccifolium Aconogonon phytolaccifolium Aconogonon phytolaccifolium
2008 Sangeet Khalsa
2015 John Doyen
2009 Keir Morse

Actaea rubra    Red baneberry,  Western baneberry
native
Perennial herb

RANUNCULACEAE

Actaea rubra Actaea rubra Actaea rubra
2004 Jeff Abbas
2007 Louis-M. Landry
2011 Aaron Arthur

Adenocaulon bicolor    American trailplant,  Trail plant
native
Perennial herb

ASTERACEAE

Adenocaulon bicolor Adenocaulon bicolor Adenocaulon bicolor
2018 MCOSD EDRR
2014 John Doyen
2018 MCOSD EDRR

Adiantum aleuticum    Five finger fern,  Five finger maidenhair
native
Fern

PTERIDACEAE

Adiantum aleuticum Adiantum aleuticum Adiantum aleuticum
2008 Rodney W. Lacey
2008 Keir Morse
2013 Barry Rice

Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica Aesculus californica Aesculus californica
2004 George W. Hartwell
2018 Joseph Belli
2009 Neal Kramer

Agastache urticifolia    Horse mint,  Horsemint giant hyssop,  Nettle leaf giant hyssop
native
Perennial herb

LAMIACEAE

Agastache urticifolia Agastache urticifolia Agastache urticifolia
2003 Michael Charters
2010 Barry Breckling
2015 Debra L. Cook

Agoseris retrorsa    Spear leaved agoseris,  Spearleaf agoseris,  Spearleaf mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris retrorsa Agoseris retrorsa Agoseris retrorsa
2003 Steve Matson
2009 Keir Morse
2009 Keir Morse

Agrostis capillaris    Colonial bentgrass
non-native
Perennial grass

POACEAE

Agrostis capillaris Agrostis capillaris Agrostis capillaris
2009 Zoya Akulova
2005 Steve Matson
2005 Steve Matson

Agrostis gigantea    Creeping bentgras,  Giant bentgrass,  Redtop
non-native
Perennial grass

POACEAE

Agrostis gigantea Agrostis gigantea Agrostis gigantea
2011 Barry Breckling
2011 Barry Breckling
2005 Steve Matson

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

POACEAE

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

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

POACEAE

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

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

ALISMATACEAE

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

Allium campanulatum    Dusky onion,  Sierra onion
native
Perennial herb (bulb)

ALLIACEAE

Allium campanulatum Allium campanulatum Allium campanulatum
2003 Steve Matson
2009 Keir Morse
2008 Ron Wolf

Allophyllum gilioides ssp. Gilioides    Dense false gilia,  Dense false gilyflower
(currently Allophyllum gilioides ssp. gilioides)
native
Annual herb

POLEMONIACEAE

Allophyllum gilioides ssp. Gilioides Allophyllum gilioides ssp. Gilioides Allophyllum gilioides ssp. Gilioides
2009 Keir Morse
2009 Keir Morse
2006 Aaron Schusteff

Allophyllum integrifolium    White allophyllum,  White false gilia,  White false gilyflower
native
Annual herb

POLEMONIACEAE

Allophyllum integrifolium Allophyllum integrifolium Allophyllum integrifolium
2003 Michael Charters
2013 Debra L. Cook
2013 Debra L. Cook

Allotropa virgata    Candystriped allotropa,  Sugar stick,  Sugarstick
native
Perennial herb (mycoparasitic)

ERICACEAE

Allotropa virgata Allotropa virgata Allotropa virgata
2018 Wendy Smit
2006 Steve Matson
2006 Steve Matson

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia Alnus rhombifolia Alnus rhombifolia
2006 Deborah Leonard
2008 Zoya Akulova
2009 Ryan Gilmore

Amaranthus   


Amelanchier alnifolia var. pumila    Dwarf service berry,  Glabrous serviceberry
native
Shrub

ROSACEAE

Amelanchier alnifolia var. pumila Amelanchier alnifolia var. pumila Amelanchier alnifolia var. pumila
2009 Barry Breckling
Potts 2001 California Academy of Sciences
Robert Potts 2001 California Academy of Sciences

Amelanchier pallida    Pale serviceberry,  Pallid serviceberry,  Sarvis
native
Shrub

ROSACEAE

Amelanchier pallida Amelanchier pallida Amelanchier pallida
2009 Gary A. Monroe
2010 Margo Bors
2009 Gary A. Monroe

Amsinckia menziesii var. menziesii    Menzies' fiddleneck,  Small flowered fiddleneck
(currently Amsinckia menziesii)
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. menziesii Amsinckia menziesii var. menziesii Amsinckia menziesii var. menziesii
2018 Gary McDonald
2018 Gary McDonald
2012 Neal Kramer

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea Anaphalis margaritacea Anaphalis margaritacea
2008 Neal Kramer
2018 Jay Chamberlain
2008 Keir Morse

Antennaria argentea    Silver pussytoes,  Silvery everlasting,  Silvery pussytoes
native
Perennial herb

ASTERACEAE

Antennaria argentea Antennaria argentea Antennaria argentea
2009 Barry Breckling
2016 John Doyen
2015 Richard Spellenberg

Antennaria rosea ssp. confinis    Rosy pussytoes
native
Perennial herb

ASTERACEAE

Antennaria rosea ssp. confinis Antennaria rosea ssp. confinis Antennaria rosea ssp. confinis
2005 Steve Matson
2012 Steve Matson
2012 Steve Matson

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

APIACEAE

Anthriscus caucalis Anthriscus caucalis Anthriscus caucalis
2003 Michael Charters
2013 Debra L. Cook
2011 Barry Breckling

Apocynum androsaemifolium    Bitter dogbane,  Spreading dogbane
native
Perennial herb

APOCYNACEAE

Apocynum androsaemifolium Apocynum androsaemifolium Apocynum androsaemifolium
2017 Adam Chasey
2014 James Gonsman
2018 Chico Hiking Association

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum Apocynum cannabinum Apocynum cannabinum
2008 Chris Winchell
2007 Louis-M. Landry
2008 Chris Winchell

Aquilegia formosa var. truncata    Crimson columbine,  Sitka columbine,  Western columbine
(currently Aquilegia formosa)
native
Perennial herb

RANUNCULACEAE

Aquilegia formosa var. truncata Aquilegia formosa var. truncata Aquilegia formosa var. truncata
2013 James Gonsman
2018 Hunter Breck
2018 Dorothy Tuthill

Arabis arcuata    Arching rockcress
(currently Boechera arcuata)
native
Perennial herb

BRASSICACEAE

Arabis arcuata Arabis arcuata Arabis arcuata
2009 Barry Breckling
2008 Chris Winchell
2013 Barry Breckling

Arabis davidsonii    Davidson's rockcress
(currently Boechera davidsonii)
native
Perennial herb

BRASSICACEAE

Arabis davidsonii Arabis davidsonii
2018 Dana York
2018 Dana York

Arabis repanda    Yosemite rockcress
(currently Boechera repanda)
native
Perennial herb

BRASSICACEAE

Arabis repanda Arabis repanda Arabis repanda
2014 Dana York
2008 Michael Charters
2014 Steve Matson

Arctostaphylos nevadensis    Pine mat manzanita,  Pinemat manzanita
native
Shrub

ERICACEAE

Arctostaphylos nevadensis Arctostaphylos nevadensis Arctostaphylos nevadensis
2010 Keir Morse
2008 Steve Matson
2007 Norman Jensen

Arctostaphylos patula    Green leaf manzanita,  Greenleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos patula Arctostaphylos patula Arctostaphylos patula
2009 Keir Morse
2003 Steve Matson
2007 Julie Kierstead Nelson

Arctostaphylos viscida ssp. mariposa    Mariposa manzanita
native
Tree, Shrub

ERICACEAE

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

Arnica cordifolia    Heart leaved arnica,  Heartleaf arnica
native
Perennial herb

ASTERACEAE

Arnica cordifolia Arnica cordifolia Arnica cordifolia
2003 Steve Matson
2009 Barry Breckling
2010 Keir Morse

Arnica discoidea    Rayless arnica
native
Perennial herb

ASTERACEAE

Arnica discoidea Arnica discoidea Arnica discoidea
2004 Aaron Schusteff
2009 Barry Breckling
2009 Keir Morse

Arnica mollis    Cordilleran arnica,  Cordillerean anica,  Hairy arnica
native
Perennial herb

ASTERACEAE

Arnica mollis Arnica mollis Arnica mollis
2007 Neal Kramer
2010 Keir Morse
2011 Steven Perry

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana Artemisia douglasiana Artemisia douglasiana
2016 Glen Schneider
2018 Michelle Tollett
2017 Alison Sheehey

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

ASTERACEAE

Artemisia dracunculus Artemisia dracunculus Artemisia dracunculus
2008 Keir Morse
2016 Joan Hampton
2007 Steve Matson

Artemisia ludoviciana ssp. Incompta    Mountain mugwort,  Western mugwort,  White sagebrush
(currently Artemisia ludoviciana ssp. incompta)
native
Perennial herb

ASTERACEAE

Artemisia ludoviciana ssp. Incompta Artemisia ludoviciana ssp. Incompta Artemisia ludoviciana ssp. Incompta
2011 Barry Breckling
2011 Barry Breckling
2006 Steve Matson

Artemisia tridentata ssp. vaseyana    Mountain big sagebrush,  Mountain sagebrush
native
Shrub

ASTERACEAE

Artemisia tridentata ssp. vaseyana Artemisia tridentata ssp. vaseyana Artemisia tridentata ssp. vaseyana
2003 Christopher L. Christie
2017 David popp
2003 Christopher L. Christie

Arum italicum    Italian lords and ladies
non-native
Perennial herb

ARACEAE

Arum italicum Arum italicum Arum italicum
2015 Dr. Amadej Trnkoczy
2014 Neal Kramer
2015 Barry Breckling

Asarum hartwegii    Hartweg's wild ginger,  Hartweg's wildginger,  Wild ginger
native
Perennial herb

ARISTOLOCHIACEAE

Asarum hartwegii Asarum hartwegii Asarum hartwegii
2011 Barry Rice
2008 Neal Kramer
2018 Joerg Lohse

Asarum lemmonii    Lemmon's wild ginger,  Lemmon's wildginger
native
Perennial herb

ARISTOLOCHIACEAE

Asarum lemmonii Asarum lemmonii Asarum lemmonii
Gerald and Buff Corsi1999 California Academy of Sciences
2016 Ray Gill
2010 Ron Wolf

Asclepias cordifolia    Heart leaf milkweed,  Heartleaf milkweed,  Purple milkweed
native
Perennial herb

APOCYNACEAE

Asclepias cordifolia Asclepias cordifolia Asclepias cordifolia
2006 Steve Matson
2017 Alison Sheehey
2018 Leah Gardner

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

APOCYNACEAE

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

Asclepias speciosa    Showy milkweed
native
Perennial herb

APOCYNACEAE

Asclepias speciosa Asclepias speciosa Asclepias speciosa
2009 Neal Kramer
2018 Julie Kierstead Nelson
2017 DigiBirdTrek CA

Aspidotis densa    Cliffbrake,  Indian's dream,  Lace fern
native
Fern

PTERIDACEAE

Aspidotis densa Aspidotis densa Aspidotis densa
2012 Gary A. Monroe
2005 Russell Towle
2017 David popp

Astragalus bolanderi    Bolander's milk vetch,  Bolander's milkvetch
native
Perennial herb

FABACEAE

Astragalus bolanderi Astragalus bolanderi Astragalus bolanderi
2015 Ron Wolf
2011 Steven Perry
2011 Steven Perry

Athyrium filix-femina var. californicum    Common lady fern,  Subarctic lady fern,  Western lady fern
(currently Athyrium filix-femina var. cyclosorum)
native
Fern

WOODSIACEAE

Athyrium filix-femina var. californicum Athyrium filix-femina var. californicum Athyrium filix-femina var. californicum
2008 Keir Morse
2015 Barry Breckling
2018 David popp

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

BRASSICACEAE

Athysanus pusillus Athysanus pusillus Athysanus pusillus
2008 Keir Morse
2008 Steve Matson
2008 Keir Morse

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

POACEAE

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

Barbarea orthoceras var. orthoceras    American rocket,  American wintercress,  Erectpod wintercress
(currently Barbarea orthoceras)
native
Perennial herb

BRASSICACEAE

Barbarea orthoceras var. orthoceras Barbarea orthoceras var. orthoceras Barbarea orthoceras var. orthoceras
2013 Debra L. Cook
2018 Ken Lunders
2011 Steven Perry

Barbarea vulgaris    Bitter wintercress,  Common wintercress,  Yellow rocket
non-native
Perennial herb

BRASSICACEAE

Barbarea vulgaris Barbarea vulgaris Barbarea vulgaris
2007 Dr. Amadej Trnkoczy
2011 Steven Perry
2007 Dr. Amadej Trnkoczy

Bistorta bistortoides    American bistort
native
Perennial herb

POLYGONACEAE

Bistorta bistortoides Bistorta bistortoides Bistorta bistortoides
2003 Michael Charters
2007 Dr. Mark S. Brunell
2017 Asa B Spade

Boechera arcuata    Arching rockcress
native
Perennial herb

BRASSICACEAE

Boechera arcuata Boechera arcuata Boechera arcuata
2009 Barry Breckling
2008 Chris Winchell
2013 Barry Breckling

Boechera davidsonii    Davidson's rockcress
native
Perennial herb

BRASSICACEAE

Boechera davidsonii Boechera davidsonii
2018 Dana York
2018 Dana York

Boechera pendulocarpa    Dropseed rockcress
native
Perennial herb

BRASSICACEAE

Boechera pendulocarpa Boechera pendulocarpa Boechera pendulocarpa
2016 Gerald Carr
2016 Gerald Carr
2016 Gerald Carr

Boechera platysperma    Pioneer rockcress
native
Perennial herb

BRASSICACEAE

Boechera platysperma Boechera platysperma Boechera platysperma
2008 Steve Matson
2008 Steve Matson
2012 Gary A. Monroe

Boechera repanda var. repanda    Yosemite rockcress
(currently Boechera repanda)
native
Perennial herb

BRASSICACEAE

Boechera repanda var. repanda Boechera repanda var. repanda Boechera repanda var. repanda
2014 Dana York
2008 Michael Charters
2014 Steve Matson

Boechera sparsiflora var. sparsiflora    Sicklepod rockcress
(currently Boechera sparsiflora)
native
Perennial herb

BRASSICACEAE

Boechera sparsiflora var. sparsiflora Boechera sparsiflora var. sparsiflora Boechera sparsiflora var. sparsiflora
2009 Gary A. Monroe
2018 Chico Hiking Association
2005 Charles E. Jones

Bolandra californica    California bolandra,  Sierra bolandra
native
Perennial herb

SAXIFRAGACEAE

Bolandra californica Bolandra californica
2007 Lisa Berry
2010 Barry Breckling

Botrychium multifidum    Leather grape-fern
(currently Sceptridium multifidum)
native

OPHIOGLOSSACEAE

Botrychium multifidum Botrychium multifidum Botrychium multifidum
2002 Tony Morosco
2002 Tony Morosco
2014 Barry Rice

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica Brickellia californica Brickellia californica
2005 James M. Andre
2008 John Dittes
2011 Robert A. Hamilton

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

POACEAE

Bromus carinatus var. carinatus Bromus carinatus var. carinatus Bromus carinatus var. carinatus
2010 Neal Kramer
2013 Jean Pawek
2003 James B. Gratiot

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

POACEAE

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

Bromus grandis    Tall brome
native
Perennial grass

POACEAE

Bromus grandis Bromus grandis Bromus grandis
2006 Dean Wm. Taylor, Ph.D.
2005 Steve Matson
2005 Steve Matson

Bromus hordeaceus ssp. hordeaceus    Soft brome,  Soft chess
(currently Bromus hordeaceus)
invasive non-native
Annual grass

POACEAE

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

Bromus inermis ssp. inermis    Smooth brome
(currently Bromus inermis)
non-native
Perennial grass

POACEAE

Bromus inermis ssp. inermis Bromus inermis ssp. inermis Bromus inermis ssp. inermis
2009 James M. Andre
2005 Louis-M. Landry
2005 Louis-M. Landry

Bromus laevipes    Chinook brome,  Narrow flowered brome,  Woodland brome
native
Annual, Perennial grass

POACEAE

Bromus laevipes Bromus laevipes Bromus laevipes
2008 Keir Morse
2012 Jake Ruygt
2013 Aaron Arthur

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

POACEAE

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

Bromus secalinus    Chess brome,  Rye brome
non-native
Annual grass

POACEAE

Bromus secalinus Bromus secalinus Bromus secalinus
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson

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

POACEAE

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

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

POACEAE

Bromus tectorum Bromus tectorum Bromus tectorum
2008 Gary A. Monroe
2018 Sarah Inman
2001 Joe DiTomaso

Bulbostylis capillaris    Thread leaf beakseed,  Threadleaf beakseed
native
Annual grasslike herb

CYPERACEAE

Bulbostylis capillaris Bulbostylis capillaris Bulbostylis capillaris
2011 Ryan Batten
1997 Dean Wm. Taylor
2003 Steve Matson

Calamagrostis canadensis    Bluejoint reedgrass,  Canada reedgrass
native
Perennial grass

POACEAE

Calamagrostis canadensis Calamagrostis canadensis Calamagrostis canadensis
2006 Louis-M. Landry
2006 Steve Matson
2011 Barry Breckling

Calocedrus decurrens    Bastard cedar,  Incense cedar,  Post cedar
native
Tree

CUPRESSACEAE

Calocedrus decurrens Calocedrus decurrens Calocedrus decurrens
2013 Zoya Akulova
2018 David popp
2005 Steven Perkins

Calochortus leichtlinii    Leichtlin's mariposa lily,  Smokey mariposa
native
Perennial herb

LILIACEAE

Calochortus leichtlinii Calochortus leichtlinii Calochortus leichtlinii
2003 Michael Charters
Gerald and Buff Corsi2002 California Academy of Sciences
2002 Christopher L. Christie

Calochortus monophyllus    Yellow star tulip
native
Perennial herb

LILIACEAE

Calochortus monophyllus Calochortus monophyllus Calochortus monophyllus
2015 John Doyen
2018 Leah Gardner
2006 Steve Matson

Calycanthus occidentalis    Spicebush,  Sweet shrub
native
Shrub

CALYCANTHACEAE

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

Calystegia malacophylla ssp. malacophylla    Sierra false bindweed,  Sierra morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia malacophylla ssp. malacophylla Calystegia malacophylla ssp. malacophylla Calystegia malacophylla ssp. malacophylla
2015 Neal Kramer
2015 Steve Matson
2009 Barry Breckling

Camassia quamash    Camas,  Common camas
native
Perennial herb

AGAVACEAE

Camassia quamash Camassia quamash Camassia quamash
1996 Christopher L. Christie
2005 Christopher L. Christie
2010 Steven Thorsted

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

ONAGRACEAE

Camissonia contorta Camissonia contorta Camissonia contorta
2009 Keir Morse
2009 Keir Morse
2015 Debra L. Cook

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

BRASSICACEAE

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

Cardamine breweri var. breweri    Brewer's bitter cress,  Brewer's bittercress
(currently Cardamine breweri)
native
Perennial herb

BRASSICACEAE

Cardamine breweri var. breweri Cardamine breweri var. breweri Cardamine breweri var. breweri
2005 Steve Matson
2017 Alison Sheehey
2005 Steve Matson

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

BRASSICACEAE

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

Carex amplifolia    Ample leaved sedge,  Big leaf sedge
native
Perennial grasslike herb

CYPERACEAE

Carex amplifolia Carex amplifolia Carex amplifolia
2011 Steve Matson
2008 Neal Kramer
Amelia Ryan/NPS

Carex angustata    Narrow leaved sedge,  Wide fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex angustata Carex angustata Carex angustata
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson

Carex athrostachya    Slender beak sedge,  Slender leaved sedge
native
Perennial grasslike herb

CYPERACEAE

Carex athrostachya Carex athrostachya Carex athrostachya
2018 Emily Allen
2003 Steve Matson
2008 Keir Morse

Carex bolanderi    Bolander's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex bolanderi Carex bolanderi Carex bolanderi
2013 Robert Steers/NPS
2013 Robert Steers/NPS
2003 Steve Matson

Carex buxbaumii    Buxbaum's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex buxbaumii Carex buxbaumii Carex buxbaumii
2008 Dean Wm. Taylor, Ph.D.
2004 Steve Matson
2006 Dean Wm. Taylor, Ph.D.

Carex douglasii    Douglas sedge,  Douglas' sedge
native
Perennial grasslike herb

CYPERACEAE

Carex douglasii Carex douglasii Carex douglasii
2009 Steve Matson
2003 Steve Matson
2000 Larry Blakely

Carex echinata    Bristle fruit sedge,  Star sedge
native
Perennial grasslike herb

CYPERACEAE

Carex echinata Carex echinata Carex echinata
2004 Steve Matson
2008 Keir Morse
2014 Steve Matson

Carex feta    Feta sedge,  Green sheathed sedge,  Greensheath sedge
native
Perennial grasslike herb

CYPERACEAE

Carex feta Carex feta Carex feta
2008 Keir Morse
2008 Neal Kramer
2009 Chris Wagner

Carex heteroneura var. heteroneura    Different nerve sedge,  Variable nerved sedge
(currently Carex heteroneura)
native
Perennial grasslike herb

CYPERACEAE

Carex heteroneura var. heteroneura Carex heteroneura var. heteroneura Carex heteroneura var. heteroneura
2000 Robert E. Preston, Ph.D.
2008 Steve Matson
2010 Steve Matson

Carex jonesii    Jones' sedge
native
Perennial grasslike herb

CYPERACEAE

Carex jonesii Carex jonesii Carex jonesii
2002 Steve Matson
2014 Steve Matson
2014 Steve Matson

Carex lemmonii    Lemmon's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex lemmonii Carex lemmonii Carex lemmonii
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson

Carex lenticularis var. lipocarpa    Fat fruited sedge,  Kellogg's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex lenticularis var. lipocarpa Carex lenticularis var. lipocarpa Carex lenticularis var. lipocarpa
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson

Carex mariposana    Mariposa sedge
native
Perennial grasslike herb

CYPERACEAE

Carex mariposana Carex mariposana Carex mariposana
2007 Steve Matson
2003 Steve Matson
2007 Steve Matson

Carex multicaulis    Forest sedge,  Many stemmed sedge
native
Perennial grasslike herb

CYPERACEAE

Carex multicaulis Carex multicaulis Carex multicaulis
2005 Steve Matson
2014 Scot Loring
2005 Steve Matson

Carex nebrascensis    Nebraska sedge
native
Perennial grasslike herb

CYPERACEAE

Carex nebrascensis Carex nebrascensis Carex nebrascensis
2010 James M. Andre
2007 Trent M. Draper
2003 Steve Matson

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

CYPERACEAE

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

Carex pellita    Woolly sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pellita Carex pellita Carex pellita
2013 Robert Steers/NPS
2013 Aaron Arthur
2006 Dean Wm. Taylor, Ph.D.

Carex raynoldsii    Raynold's sedge,  Raynolds' sedge
native
Perennial grasslike herb

CYPERACEAE

Carex raynoldsii Carex raynoldsii Carex raynoldsii
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson

Carex rossii    Ross sedge,  Ross' sedge
native
Perennial grasslike herb

CYPERACEAE

Carex rossii Carex rossii Carex rossii
2006 Steve Matson
2003 Steve Matson
2002 Steve Matson

Carex senta    Rough sedge,  Swamp carex,  Swamp sedge
native
Perennial grasslike herb

CYPERACEAE

Carex senta Carex senta Carex senta
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson

Carex specifica    Narrow fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex specifica Carex specifica
2003 Steve Matson
2003 Steve Matson

Carex subfusca    Brown sedge,  Rusty slender sedge
native
Perennial grasslike herb

CYPERACEAE

Carex subfusca Carex subfusca Carex subfusca
2008 Keir Morse
2010 Steve Matson
2010 Steve Matson

Carex utriculata    Beaked sedge,  Northwest territory sedge
native
Perennial grasslike herb

CYPERACEAE

Carex utriculata Carex utriculata Carex utriculata
2009 Steve Matson
2008 Keir Morse
2002 Steve Matson

Carex vesicaria var. vesicaria    Blister sedge
(currently Carex vesicaria)
native
Perennial grasslike herb

CYPERACEAE

Carex vesicaria var. vesicaria Carex vesicaria var. vesicaria Carex vesicaria var. vesicaria
2006 Steve Matson
2006 Steve Matson
2015 Dana York

Carex whitneyi    Whitney's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex whitneyi Carex whitneyi Carex whitneyi
2014 Steve Matson
2003 Steve Matson
2014 Steve Matson

Castilleja affinis ssp. affinis    Coast indian paintbrush,  Wight's indian paint brush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis Castilleja affinis ssp. affinis Castilleja affinis ssp. affinis
2002 Doreen L. Smith
2018 Ron Vanderhoff
2009 Keir Morse

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja miniata var. miniata    Great red paintbrush,  Scarlet paintbrush
(currently Castilleja miniata)
native
Perennial herb

OROBANCHACEAE

Castilleja miniata var. miniata Castilleja miniata var. miniata Castilleja miniata var. miniata
2005 Christopher L. Christie
2014 James Gonsman
2007 Michelle Cloud-Hughes

Ceanothus cordulatus    Mountain whitethorn,  Snow bush
native
Shrub

RHAMNACEAE

Ceanothus cordulatus Ceanothus cordulatus Ceanothus cordulatus
2003 Steve Matson
2015 John Doyen
2014 Scot Loring

Ceanothus diversifolius    Pinemat
native
Shrub

RHAMNACEAE

Ceanothus diversifolius Ceanothus diversifolius Ceanothus diversifolius
2013 Debra L. Cook
2009 Barry Breckling
2009 Barry Breckling

Ceanothus fresnensis    Fresno ceanothus,  Fresno mat
native
Shrub

RHAMNACEAE

Ceanothus fresnensis Ceanothus fresnensis Ceanothus fresnensis
2013 Debra L. Cook
2007 Dean Wm. Taylor, Ph.D.
2012 Debra L. Cook

Ceanothus integerrimus    Deer brush,  Deerbrush
native
Shrub

RHAMNACEAE

Ceanothus integerrimus Ceanothus integerrimus Ceanothus integerrimus
2008 Keir Morse
2018 David popp
2008 Keir Morse

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

CARYOPHYLLACEAE

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

Cercis occidentalis    Redbud,  Western redbud
native
Tree, Shrub

FABACEAE

Cercis occidentalis Cercis occidentalis Cercis occidentalis
2018 Chico Hiking Association
2011 Steven Perry
2008 Aaron Schusteff

Cercocarpus betuloides    Birch leaf mountain mahogany,  Mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides Cercocarpus betuloides Cercocarpus betuloides
2018 Diane Etchison
2010 James M. Andre
2016 Steven M Norris

Chamaebatia foliolosa    Bearclover, mountain misery,  Sierran mountain misery
native
Shrub

ROSACEAE

Chamaebatia foliolosa Chamaebatia foliolosa Chamaebatia foliolosa
2009 Neal Kramer
2009 Barry Breckling
2006 Heath McAllister

Chamaesyce serpyllifolia ssp. serpyllifolia   
(currently Euphorbia serpyllifolia ssp. serpyllifolia)
native
Annual, Perennial herb

EUPHORBIACEAE

Chamaesyce serpyllifolia ssp. serpyllifolia Chamaesyce serpyllifolia ssp. serpyllifolia Chamaesyce serpyllifolia ssp. serpyllifolia
2005 Steve Matson
2013 Neal Kramer
2015 Barry Breckling

Chamerion angustifolium    Fireweed
native
Perennial herb

ONAGRACEAE

Chamerion angustifolium Chamerion angustifolium Chamerion angustifolium
2010 Louis-M. Landry
2007 Joseph Dougherty, M.D./ecology.org
2006 Louis-M. Landry

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

ASTERACEAE

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

Cheilanthes gracillima    Lace lip fern
(currently Myriopteris gracillima)
native
Fern

PTERIDACEAE

Cheilanthes gracillima Cheilanthes gracillima Cheilanthes gracillima
© 2015 Barry Breckling
2005 Hartmut Wisch
2010 Neal Kramer

Cheilanthes intertexta    Coastal lip fern
(currently Myriopteris intertexta)
native
Fern

PTERIDACEAE

Cheilanthes intertexta Cheilanthes intertexta
2018 Adam Chasey
2012 Jake Ruygt

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

CHENOPODIACEAE

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

Chrysolepis sempervirens    Bush chinquapin,  Sierra chinquapin
native
Shrub

FAGACEAE

Chrysolepis sempervirens Chrysolepis sempervirens Chrysolepis sempervirens
2000 Gary A. Monroe
2011 Wynn Anderson
2006 Brian L. Anacker

Circaea alpina ssp. pacifica    Pacific enchanter's nightshade,  Small enchanter's nightshade
native
Perennial herb

ONAGRACEAE

Circaea alpina ssp. pacifica Circaea alpina ssp. pacifica Circaea alpina ssp. pacifica
2013 Debra L. Cook
2009 Keir Morse
2005 Aaron Schusteff

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

ASTERACEAE

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

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare Cirsium vulgare Cirsium vulgare
2016 Erik Larsen
2005 Christopher L. Christie
2004 Steve Matson

Cistanthe umbellata var. umbellata    Cistanthe,  Pussy paws,  Pussy toes
(currently Calyptridium umbellatum)
native
Annual, Perennial herb

MONTIACEAE

Cistanthe umbellata var. umbellata Cistanthe umbellata var. umbellata Cistanthe umbellata var. umbellata
2008 Neal Kramer
2016 Jim Moore
2017 Ashley Olive

Clarkia dudleyana    Dudley's clarkia
native
Annual herb

ONAGRACEAE

Clarkia dudleyana Clarkia dudleyana Clarkia dudleyana
2011 Aaron Arthur
2013 Debra L. Cook
2011 Robert A. Hamilton

Clarkia rhomboidea    Diamond clarkia,  Diamond petaled clarkia,  Diamond fairyfan
native
Annual herb

ONAGRACEAE

Clarkia rhomboidea Clarkia rhomboidea Clarkia rhomboidea
2006 Steve Matson
2005 Chris Wagner, SBNF
2018 Chico Hiking Association

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

ONAGRACEAE

Clarkia unguiculata Clarkia unguiculata Clarkia unguiculata
2007 Lynn Watson
2007 Neal Kramer
2005 Hartmut Wisch

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

MONTIACEAE

Claytonia parviflora ssp. parviflora Claytonia parviflora ssp. parviflora Claytonia parviflora ssp. parviflora
2008 Keir Morse
2013 Gary McDonald
2008 Keir Morse

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

MONTIACEAE

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

Claytonia rubra ssp. rubra    Red stemmed miner's lettuce,  Redstem springbeauty
native
Annual herb

MONTIACEAE

Claytonia rubra ssp. rubra Claytonia rubra ssp. rubra Claytonia rubra ssp. rubra
2004 Steve Matson
2013 Debra L. Cook
2013 Debra L. Cook

Collinsia parviflora    Few flowered blue eyed mary,  Maiden blue eyed mary,  Small flowered blue eyed mary
native
Annual herb

PLANTAGINACEAE

Collinsia parviflora Collinsia parviflora Collinsia parviflora
2015 Ron Wolf
2018 Chico Hiking Association
2003 Steve Matson

Collinsia tinctoria    Sticky chinese houses,  Tincture plant
native
Annual herb

PLANTAGINACEAE

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

Collinsia torreyi var. torreyi    Torrey's blue eyed mary,  Torrey's collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia torreyi var. torreyi Collinsia torreyi var. torreyi Collinsia torreyi var. torreyi
2015 Neal Kramer
2009 Keir Morse
2015 Barry Rice

Collomia grandiflora    Grand collomia,  Large flowered collomia,  Mountain collomia
native
Annual herb

POLEMONIACEAE

Collomia grandiflora Collomia grandiflora Collomia grandiflora
2006 Steven Thorsted
2017 John Game
2018 Chico Hiking Association

Collomia linearis    Narrow leaved collomia,  Slenderleaf collomia,  Tiny trumpet
native
Annual herb

POLEMONIACEAE

Collomia linearis Collomia linearis Collomia linearis
2003 Steve Matson
2017 David popp
2009 Dr. Mark S. Brunell

Comandra umbellata ssp. californica    Bastard toad flax,  Bastard toadflax,  California bastard toadflax
native
Perennial herb (parasitic)

COMANDRACEAE

Comandra umbellata ssp. californica Comandra umbellata ssp. californica Comandra umbellata ssp. californica
2008 Steve Matson
2018 Julie Kierstead Nelson
2010 Barry Breckling

Conyza canadensis    Canada horseweed
(currently Erigeron canadensis)
native
Annual herb

ASTERACEAE

Conyza canadensis Conyza canadensis Conyza canadensis
2005 Luigi Rignanese
2018 Brian Charles
2010 Louis-M. Landry

Corallorhiza maculata    Spotted coralroot,  Summer coral root,  Summer coralroot
native
Perennial herb

ORCHIDACEAE

Corallorhiza maculata Corallorhiza maculata Corallorhiza maculata
2010 Dee E. Warenycia
2018 Rick Wachs
2018 Abbot Chambers

Corallorhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorhiza striata Corallorhiza striata Corallorhiza striata
2005 Dianne Fristrom
2016 Ray Gill
2009 John Dittes

Cordylanthus rigidus ssp. brevibracteatus    Short bracted bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE


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

OROBANCHACEAE

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

Corethrogyne filaginifolia var. brevicula    Common sandaster
(currently Corethrogyne filaginifolia)
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia var. brevicula Corethrogyne filaginifolia var. brevicula Corethrogyne filaginifolia var. brevicula
2007 Neal Kramer
2015 Debra L. Cook
2007 Lynn Watson

Cornus nuttallii    Mountain dogwood,  Pacific dogwood,  Pacific mountain dogwood
native
Shrub

CORNACEAE

Cornus nuttallii Cornus nuttallii Cornus nuttallii
2009 Neal Kramer
2015 Karen Swift
2017 David popp

Cornus sericea ssp. sericea    American dogwood,  Creek dogwood,  Red osier dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. sericea Cornus sericea ssp. sericea Cornus sericea ssp. sericea
2012 Julie Kierstead Nelson
2003 Steve Matson
2013 Robert Steers/NPS

Corylus cornuta    Beaked hazelnut
native
Shrub

BETULACEAE

Corylus cornuta Corylus cornuta Corylus cornuta
2008 Louis-M. Landry
2008 Louis-M. Landry
2008 Louis-M. Landry

Cryptantha ambigua    Basin cryptantha,  Wilke's cryptantha,  Wilkes' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha ambigua Cryptantha ambigua Cryptantha ambigua
2006 Keir Morse
2010 Jean Pawek
2010 Jean Pawek

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Cuscuta californica    California dodder,  Chaparral dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica Cuscuta californica Cuscuta californica
2006 Tom Annese
2018 David popp
2016 Yana Marshall

Cymopterus terebinthinus    Turpentine cymopterus
native
Perennial herb

APIACEAE

Cymopterus terebinthinus Cymopterus terebinthinus Cymopterus terebinthinus
2009 Keir Morse
2009 Keir Morse
Mary Winter

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

POACEAE

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

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus Cynosurus echinatus Cynosurus echinatus
2009 Barry Rice
2008 Keir Morse
2009 Thomas Stoughton

Cyperus squarrosus    Awned cyperus,  Bearded flatsedge,  Umbrella sedge
native
Annual grasslike herb

CYPERACEAE

Cyperus squarrosus Cyperus squarrosus Cyperus squarrosus
2005 Dean Wm. Taylor
2009 Keir Morse
2014 Barry Breckling

Cystopteris fragilis    Bladder fern,  Brittle bladder fern,  Brittle fern
native
Fern

WOODSIACEAE

Cystopteris fragilis Cystopteris fragilis Cystopteris fragilis
2005 Steve Matson
2006 Steve Matson
2013 Trent M. Draper

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata Dactylis glomerata Dactylis glomerata
2005 Louis-M. Landry
2003 Steve Matson
2018 Kyndal Olin

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica Danthonia californica Danthonia californica
2002 Bart and Susan Eisenberg
2018 Miao Ling He
2007 Steve Matson

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

SOLANACEAE

Datura wrightii Datura wrightii Datura wrightii
2018 Matt Berger
2004 Heath McAllister
2018 Hilary Tayeb

Delphinium gracilentum    Meadow larkspur,  Pine forest larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium gracilentum Delphinium gracilentum Delphinium gracilentum
2016 John Doyen
2016 John Doyen
2004 George W. Hartwell

Delphinium patens    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens Delphinium patens Delphinium patens
2012 Gary McDonald
2018 Jay Chamberlain
2009 Keir Morse

Deschampsia cespitosa    California hairgrass,  Tufted hair grass,  Tufted hairgrass
native
Perennial grass

POACEAE

Deschampsia cespitosa Deschampsia cespitosa Deschampsia cespitosa
2011 Margo Bors
2008 Keir Morse
2012 Jake Ruygt

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata Deschampsia elongata Deschampsia elongata
2009 Adonis (Don) Tate
2008 Keir Morse
2008 Keir Morse

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

BRASSICACEAE

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

Dianthus armeria ssp. armeria    Grass pink
non-native
Annual, Biennial herb

CARYOPHYLLACEAE

Dianthus armeria ssp. armeria Dianthus armeria ssp. armeria
2010 Barry Breckling
2005 Steve Matson

Dianthus barbatus    Sweetwilliam
non-native
Perennial herb

CARYOPHYLLACEAE

Dianthus barbatus Dianthus barbatus Dianthus barbatus
2005 Louis-M. Landry
2003 Joseph Dougherty/ecology.org
2007 Dr. Amadej Trnkoczy

Dicentra formosa ssp. formosa    Pacific bleeding heart
native
Perennial herb

PAPAVERACEAE

Dicentra formosa ssp. formosa Dicentra formosa ssp. formosa Dicentra formosa ssp. formosa
2010 Keir Morse
2010 Keir Morse
2010 Keir Morse

Dicentra pauciflora    Few flowered bleeding heart,  Shorthorn steer's head
native
Perennial herb

PAPAVERACEAE

Dicentra pauciflora Dicentra pauciflora Dicentra pauciflora
2008 Shawn DeCew
2008 Shawn DeCew
2013 John Doyen

Dichanthelium acuminatum ssp. fasciculatum    Pacific panic grass
(currently Panicum acuminatum var. fasciculatum)
native
Perennial grass

POACEAE

Dichanthelium acuminatum ssp. fasciculatum Dichanthelium acuminatum ssp. fasciculatum Dichanthelium acuminatum ssp. fasciculatum
2013 Robert Steers/NPS
2012 Ove Anderson
2017 David popp

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

THEMIDACEAE

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

Digitalis purpurea    Purple foxglove
invasive non-native
Perennial herb

PLANTAGINACEAE

Digitalis purpurea Digitalis purpurea Digitalis purpurea
2009 John W. Wall
2014 Zoya Akulova
2007 Pasi Rein

Dodecatheon jeffreyi ssp. jeffreyi    Sierra shooting star
(currently Primula jeffreyi)
native
Perennial herb

PRIMULACEAE

Dodecatheon jeffreyi ssp. jeffreyi Dodecatheon jeffreyi ssp. jeffreyi Dodecatheon jeffreyi ssp. jeffreyi
2001 Jeff Abbas
2017 Alison Sheehey
1991 Julie Kierstead Nelson

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

BRASSICACEAE

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

Draperia systyla    Draperia,  Violet draperia
native
Perennial herb

BORAGINACEAE

Draperia systyla Draperia systyla Draperia systyla
2009 Keir Morse
2013 Debra L. Cook
2013 Debra L. Cook

Drymocallis glandulosa var. reflexa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. reflexa Drymocallis glandulosa var. reflexa Drymocallis glandulosa var. reflexa
2003 Yulan Tong
2015 Barry Breckling
2016 John Doyen

Drymocallis hansenii    Yosemite woodbeauty
native
Perennial herb

ROSACEAE

Drymocallis hansenii Drymocallis hansenii Drymocallis hansenii
2009 Barry Breckling
2009 Barry Breckling
2009 Barry Breckling

Drymocallis lactea var. lactea    Sierran woodbeauty
native
Perennial herb

ROSACEAE

Drymocallis lactea var. lactea Drymocallis lactea var. lactea Drymocallis lactea var. lactea
2012 Aaron Arthur
2012 Aaron Arthur
2015 Barry Breckling

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta Dryopteris arguta Dryopteris arguta
2003 Michael Charters
2003 Michael Charters
2004 Brent Miller

Dudleya cymosa ssp. cymosa    Canyon dudleya,  Canyon liveforever
native
Perennial herb

CRASSULACEAE

Dudleya cymosa ssp. cymosa Dudleya cymosa ssp. cymosa Dudleya cymosa ssp. cymosa
2006 George W. Hartwell
2015 James Gonsman
2015 John Doyen

Dysphania botrys    Jerusalem oak goosefoot
non-native
Annual herb

CHENOPODIACEAE

Dysphania botrys Dysphania botrys Dysphania botrys
2008 John Dittes
2008 John Dittes
2008 Keir Morse

Eleocharis acicularis var. acicularis    Needle spike rush,  Needle spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis acicularis var. acicularis Eleocharis acicularis var. acicularis Eleocharis acicularis var. acicularis
2004 Carol W. Witham
2013 Jake Ruygt
2015 Keir Morse

Eleocharis bolanderi    Bolander's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis bolanderi Eleocharis bolanderi
2003 Steve Matson
2003 Steve Matson

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

CYPERACEAE

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

Elymus elymoides ssp. californicus    Squirrel tail grass
(currently Elymus elymoides var. californicus)
native
Perennial grass

POACEAE

Elymus elymoides ssp. californicus Elymus elymoides ssp. californicus Elymus elymoides ssp. californicus
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson

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

POACEAE

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

Epilobium anagallidifolium    Alpine willowherb,  Pimpernel willowherb
native
Perennial herb

ONAGRACEAE

Epilobium anagallidifolium Epilobium anagallidifolium Epilobium anagallidifolium
2015 Barry Breckling
2011 Ryan Batten
2007 Matt Below

Epilobium angustifolium    Fireweed
(currently Chamerion angustifolium)
native
Perennial herb

ONAGRACEAE

Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium
2010 Louis-M. Landry
2007 Joseph Dougherty, M.D./ecology.org
2006 Louis-M. Landry

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

ONAGRACEAE

Epilobium brachycarpum Epilobium brachycarpum Epilobium brachycarpum
2001 Jeff Abbas
2007 Neal Kramer
2016 DigiBirdTrek CA

Epilobium canum ssp. latifolium    California fushia,  Hummingbird trumpet,  Mountain california fuchsia
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. latifolium Epilobium canum ssp. latifolium Epilobium canum ssp. latifolium
2015 Debra L. Cook
2013 Neal Kramer
2018 Cynthia Powell

Epilobium glaberrimum ssp. glaberrimum    Glaucus willowherb,  Smooth willowherb
native
Perennial herb

ONAGRACEAE

Epilobium glaberrimum ssp. glaberrimum Epilobium glaberrimum ssp. glaberrimum Epilobium glaberrimum ssp. glaberrimum
2003 Steve Matson
2003 Steve Matson
2009 Barry Breckling

Epilobium halleanum    Hall's willowherb
(currently Epilobium hallianum)
native
Perennial herb

ONAGRACEAE

Epilobium halleanum Epilobium halleanum Epilobium halleanum
2005 Steve Matson
2010 Steve Matson
2010 Steve Matson

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

ONAGRACEAE

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

Epipactis gigantea    Giant helleborine,  Stream orchid,  Stream orchis
native
Perennial herb

ORCHIDACEAE

Epipactis gigantea Epipactis gigantea Epipactis gigantea
2007 Jason E. Willand
2005 Aaron Schusteff
2008 Dee E. Warenycia

Equisetum arvense    Common horsetail rush,  Common horsetail, field horsetail,  Field horsetail
native
Fern

EQUISETACEAE

Equisetum arvense Equisetum arvense Equisetum arvense
2006 Robert Sivinski
2012 Neal Kramer
2008 Dr. Amadej Trnkoczy

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine Equisetum hyemale ssp. affine Equisetum hyemale ssp. affine
2008 Keir Morse
2012 Neal Kramer
2008 Neal Kramer

Equisetum Xferrissii    Ferris' horsetail
native
Fern

EQUISETACEAE


Eremocarpus setigerus    Turkey-mullein
(currently Croton setiger)
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus Eremocarpus setigerus Eremocarpus setigerus
2001 Steven Thorsted
2008 John Dittes
2018 Liz Block

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

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

Ericameria cuneata var. cuneata    Cliff goldenbush,  Rock goldenbush
native
Shrub

ASTERACEAE

Ericameria cuneata var. cuneata Ericameria cuneata var. cuneata Ericameria cuneata var. cuneata
2009 James M. Andre
2018 Matt Berger
2012 Steve Matson

Ericameria nauseosa ssp. speciosa    Rubber rabbitbrush
(currently Ericameria nauseosa)
native
Shrub

ASTERACEAE

Ericameria nauseosa ssp. speciosa Ericameria nauseosa ssp. speciosa Ericameria nauseosa ssp. speciosa
2003 Michael Charters
2005 Christopher L. Christie
2005 Steven Perkins

Erigeron breweri var. breweri    Brewer's daisy,  Brewer's fleabane
native
Perennial herb

ASTERACEAE

Erigeron breweri var. breweri Erigeron breweri var. breweri Erigeron breweri var. breweri
2009 Barry Breckling
2010 Dan Shimmon
2010 Dan Shimmon

Erigeron elmeri    Elmer's erigeron
native
Perennial herb

ASTERACEAE

Erigeron elmeri Erigeron elmeri
2010 Dr. Dean Taylor
2010 Dr. Dean Taylor

Erigeron glacialis var. glacialis    Wandering fleabane
native
Perennial herb

ASTERACEAE

Erigeron glacialis var. glacialis Erigeron glacialis var. glacialis Erigeron glacialis var. glacialis
2007 Dr. Mark S. Brunell
2007 Dr. Mark S. Brunell
2007 Dr. Mark S. Brunell

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

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

Eriogonum nudum    Naked buckwheat,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum Eriogonum nudum Eriogonum nudum
2007 Michelle Cloud-Hughes
2018 Jay Chamberlain
2018 Jennifer Mo

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum roseum Eriogonum roseum Eriogonum roseum
2003 Christopher L. Christie
2011 Neal Kramer
2003 Christopher L. Christie

Eriogonum umbellatum var. nevadense    Nevada buckwheat,  Sierra sulfur flower,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. nevadense Eriogonum umbellatum var. nevadense Eriogonum umbellatum var. nevadense
2018 Chico Hiking Association
2016 James Gonsman
2012 Gary A. Monroe

Eriogonum wrightii var. subscaposum    Bastardsage,  Wright's buckwheat
native
Perennial herb, Shrub

POLYGONACEAE

Eriogonum wrightii var. subscaposum Eriogonum wrightii var. subscaposum Eriogonum wrightii var. subscaposum
2003 Christopher L. Christie
2003 Christopher L. Christie
2006 Steve Matson

Eriogonum wrightii var. trachygonum    Bastardsage,  Wright s buckwheat,  Wright's buckwheat
native
Perennial herb, Shrub

POLYGONACEAE

Eriogonum wrightii var. trachygonum Eriogonum wrightii var. trachygonum Eriogonum wrightii var. trachygonum
2009 Neal Kramer
2009 Neal Kramer
2009 Neal Kramer

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

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum Eriophyllum confertiflorum var. confertiflorum Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
2014 James Gonsman
2006 Steve Matson

Eriophyllum lanatum var. croceum    Common woolly sunflower,  Sierra woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum lanatum var. croceum Eriophyllum lanatum var. croceum Eriophyllum lanatum var. croceum
2016 John Doyen
2013 Debra L. Cook
2009 George W. Hartwell

Eriophyllum lanatum var. integrifolium    Common woolly sunflower,  Oregon sunshine
native
Perennial herb

ASTERACEAE

Eriophyllum lanatum var. integrifolium Eriophyllum lanatum var. integrifolium Eriophyllum lanatum var. integrifolium
2005 Steve Matson
2017 Adam Chasey
2010 Keir Morse

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

GERANIACEAE

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

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis Euthamia occidentalis Euthamia occidentalis
2018 Ron Vanderhoff
2017 Evan Josa
2008 Jennifer Buck

Fallopia convolvulus    Black bindweed
non-native
Annual herb

POLYGONACEAE

Fallopia convolvulus Fallopia convolvulus Fallopia convolvulus
2008 Keir Morse
2005 Louis-M. Landry
2005 Louis-M. Landry

Festuca idahoensis    Blue bunchgrass,  Blue fescue,  Idaho fescue
native
Perennial grass

POACEAE

Festuca idahoensis Festuca idahoensis Festuca idahoensis
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

Festuca occidentalis    Western fescue
native
Perennial grass

POACEAE

Festuca occidentalis Festuca occidentalis Festuca occidentalis
2008 Keir Morse
2011 Steve Matson
2011 Steve Matson

Festuca pratensis    Meadow fescue
non-native
Perennial grass

POACEAE

Festuca pratensis Festuca pratensis Festuca pratensis
2012 Al Keuter
2008 Steve Matson
2012 Al Keuter

Festuca rubra ssp. fallax    Red fescue
(currently Festuca rubra)
native
Perennial grass

POACEAE

Festuca rubra ssp. fallax Festuca rubra ssp. fallax Festuca rubra ssp. fallax
2013 Robert Steers/NPS
2012 Aaron Arthur
2014 Phil Pullen

Fragaria virginiana ssp. platypetala    Mountain strawberry,  Scarlet strawberry,  Virginia strawberry
(currently Fragaria virginiana)
native
Perennial herb

ROSACEAE

Fragaria virginiana ssp. platypetala Fragaria virginiana ssp. platypetala Fragaria virginiana ssp. platypetala
2003 Michael Charters
2005 George Rembert
2005 George Rembert

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

RUBIACEAE

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

Galium bifolium    Low mountain bedstraw,  Twinleaf bedstraw
native
Annual herb

RUBIACEAE

Galium bifolium Galium bifolium Galium bifolium
2010 Keir Morse
2010 Keir Morse
2010 Keir Morse

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

RUBIACEAE

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

Galium boreale ssp. septentrionale    Northern bedstraw
(currently Galium boreale)
native
Perennial herb

RUBIACEAE

Galium boreale ssp. septentrionale Galium boreale ssp. septentrionale Galium boreale ssp. septentrionale
2015 Barry Breckling
2010 Barry Breckling
2012 Trent M. Draper

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense Galium parisiense Galium parisiense
2009 Barry Breckling
2005 Keir Morse
2008 Keir Morse

Galium porrigens var. tenue    Graceful bedstraw
native
Vine, Shrub

RUBIACEAE

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

Galium trifidum var. pacificum    Threepetal bedstraw
(currently Galium trifidum ssp. columbianum)
native
Perennial herb

RUBIACEAE

Galium trifidum var. pacificum Galium trifidum var. pacificum Galium trifidum var. pacificum
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson

Galium triflorum    Fragrant bedstraw,  Sweet bedstraw,  Sweet scented bedstraw
native
Annual herb

RUBIACEAE

Galium triflorum Galium triflorum Galium triflorum
2009 Keir Morse
2010 Barry Breckling
2013 Jean Pawek

Garrya fremontii    Bearbrush,  Fremont's silk tassel
native
Shrub

GARRYACEAE

Garrya fremontii Garrya fremontii Garrya fremontii
2011 Barry Breckling
2012 Aaron Arthur
2011 Vivian Parker

Gayophytum diffusum ssp. parviflorum    Diffuse gayophytum,  Small flowered groundsmoke,  Spreading groundsmoke
native
Annual herb

ONAGRACEAE

Gayophytum diffusum ssp. parviflorum Gayophytum diffusum ssp. parviflorum Gayophytum diffusum ssp. parviflorum
2006 Steve Matson
2013 Robert Sikora
2013 Robert Sikora

Gayophytum humile    Dwarf groundsmoke,  Gayophytum,  Low gayophytum
native
Annual herb

ONAGRACEAE

Gayophytum humile Gayophytum humile Gayophytum humile
2014 Debra L. Cook
2011 Ryan Batten
2016 John Doyen

Geranium californicum    California cranesbill,  California geranium
native
Perennial herb

GERANIACEAE

Geranium californicum Geranium californicum Geranium californicum
2005 Chris Wagner, SBNF
2013 Steven Thorsted
2008 Thomas Stoughton

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

GERANIACEAE

Geranium dissectum Geranium dissectum Geranium dissectum
2003 Lynn Watson
2014 Bryan Derr
2016 Andrew Longman

Geranium robertianum    Robert geranium,  Robert's geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium robertianum Geranium robertianum Geranium robertianum
2013 Robert Steers/NPS
2003 Monty Rickard
2009 Jim Maloney

Geum macrophyllum    Large leaved avens,  Large leaf avens,  Large leaved avens
native
Perennial herb

ROSACEAE

Geum macrophyllum Geum macrophyllum Geum macrophyllum
2015 Debra L. Cook
2010 Keir Morse
2015 Jean Pawek

Gilia capitata ssp. mediomontana    Blue field gilia,  Foothill gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata ssp. mediomontana Gilia capitata ssp. mediomontana Gilia capitata ssp. mediomontana
2009 Barry Breckling
2018 William Checkvala
2011 Steven Perry

Gilia leptalea ssp. bicolor    Bridges' gilia
(currently Navarretia leptalea ssp. bicolor)
native
Annual herb

POLEMONIACEAE

Gilia leptalea ssp. bicolor Gilia leptalea ssp. bicolor Gilia leptalea ssp. bicolor
2009 Keir Morse
2009 Dr. Mark S. Brunell
2009 Keir Morse

Glyceria borealis    Northern mannagrass,  Small floating mannagrass
native
Perennial grass

POACEAE

Glyceria borealis Glyceria borealis Glyceria borealis
2008 Louis-M. Landry
2008 Louis-M. Landry
2008 Louis-M. Landry

Glyceria elata    Fowl mannagrass,  Tall mannagrass
native
Perennial grass

POACEAE

Glyceria elata Glyceria elata Glyceria elata
2009 Zoya Akulova
2010 Keir Morse
2008 Steve Matson

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre Gnaphalium palustre Gnaphalium palustre
2017 Alison Sheehey
2008 Keir Morse
2014 Zoya Akulova

Goodyera oblongifolia    Rattlesnake plantain,  Western rattlesnake plantain
native
Perennial herb

ORCHIDACEAE

Goodyera oblongifolia Goodyera oblongifolia Goodyera oblongifolia
2006 Louis-M. Landry
2008 Steve Matson
2015 Nathan Feldman

Hackelia floribunda    Many flowered stickseed,  Manyflower stickseed
native
Perennial herb

BORAGINACEAE

Hackelia floribunda Hackelia floribunda Hackelia floribunda
2001 Jeff Abbas
2001 Jeff Abbas
2010 Ron Wolf

Hackelia mundula    Pink stickseed
native
Perennial herb

BORAGINACEAE

Hackelia mundula Hackelia mundula Hackelia mundula
2009 Ron Wolf
2014 Debra L. Cook
2010 Jean Pawek

Hedera helix    English ivy
invasive non-native
Vine, Shrub

ARALIACEAE

Hedera helix Hedera helix Hedera helix
1985 Joe DiTomaso
2009 Phil Pullen
2018 MCOSD EDRR

Helenium bigelovii    Bigelow's sneezeweed,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bigelovii Helenium bigelovii Helenium bigelovii
2009 Keir Morse
2010 Zoya Akulova
2014 James Gonsman

Helianthus californicus    California sunflower
native
Perennial herb

ASTERACEAE

Helianthus californicus Helianthus californicus Helianthus californicus
2010 Barry Breckling
2010 Barry Breckling
2011 Neal Kramer

Heracleum lanatum    Common cowparsnip
(currently Heracleum maximum)
native
Perennial herb

APIACEAE

Heracleum lanatum Heracleum lanatum Heracleum lanatum
2008 Neal Kramer
2018 Julie Kierstead Nelson
2018 Lynn Overtree

Herniaria hirsuta ssp. cinerea    Herniaria
(currently Herniaria hirsuta var. cinerea)
non-native
Annual herb

CARYOPHYLLACEAE

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

Herniaria hirsuta ssp. hirsuta    Herniaria
(currently Herniaria hirsuta var. hirsuta)
non-native
Annual herb

CARYOPHYLLACEAE

Herniaria hirsuta ssp. hirsuta Herniaria hirsuta ssp. hirsuta Herniaria hirsuta ssp. hirsuta
2009 Barry Breckling
2009 Barry Breckling
2015 Neal Kramer

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

CAMPANULACEAE

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

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

SAXIFRAGACEAE

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

Heuchera rubescens var. alpicola    Pink alumroot
(currently Heuchera rubescens)
native
Perennial herb

SAXIFRAGACEAE

Heuchera rubescens var. alpicola Heuchera rubescens var. alpicola Heuchera rubescens var. alpicola
2005 Steve Matson
2002 Larry Blakely
2005 Steve Matson

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum Hieracium albiflorum Hieracium albiflorum
2008 Keir Morse
2018 MCOSD EDRR
2008 Keir Morse

Hieracium horridum    Prickly hawkweed,  Shaggy hawkweed
native
Perennial herb

ASTERACEAE

Hieracium horridum Hieracium horridum Hieracium horridum
2005 Steve Matson
2010 Keir Morse
2001 Jeff Abbas

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus Holcus lanatus Holcus lanatus
2006 Trent M. Draper
2018 Julian Geoghegan
2008 Keir Morse

Hordeum brachyantherum ssp. brachyantherum    Meadow barley
native
Perennial grass

POACEAE

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

Hordeum murinum ssp. murinum    Wall barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. murinum Hordeum murinum ssp. murinum
2017 Julia Dorosh
2015 jamie smith

Horkelia fusca    Dusky horkelia,  Pinewoods horkelia,  Tawny horkelia
native
Perennial herb

ROSACEAE

Horkelia fusca Horkelia fusca Horkelia fusca
2005 Christopher L. Christie
2013 Debra L. Cook
2013 John Doyen

Hulsea brevifolia    Short leaved hulsea,  Shortleaf alpinegold
native
Perennial herb

ASTERACEAE

Hulsea brevifolia Hulsea brevifolia
2009 Keir Morse
2008 Chris Winchell

Hypericum calycinum    Aaron's beard
non-native
Shrub

HYPERICACEAE

Hypericum calycinum Hypericum calycinum Hypericum calycinum
2010 National Park Service
2011 Tony Morosco
2018 Brian Charles

Hypericum formosum var. scouleri    Scouler's st john's wort
(currently Hypericum scouleri)
native
Perennial herb

HYPERICACEAE

Hypericum formosum var. scouleri Hypericum formosum var. scouleri Hypericum formosum var. scouleri
2008 Keir Morse
2014 Neal Kramer
2008 Keir Morse

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

HYPERICACEAE

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

Ipomopsis bridgesii    Bridge's gilia,  Scarlet gilia
(currently Ipomopsis aggregata ssp. bridgesii)
native
Perennial herb

POLEMONIACEAE

Ipomopsis bridgesii Ipomopsis bridgesii
2009 Keir Morse
2011 Wynn Anderson

Iris hartwegii ssp. hartwegii    Hartweg's iris,  Rainbow iris
native
Perennial herb

IRIDACEAE

Iris hartwegii ssp. hartwegii Iris hartwegii ssp. hartwegii Iris hartwegii ssp. hartwegii
1990 Arthur H. Bazell, M.D.
2012 Jean Pawek
2012 Jean Pawek

Iris missouriensis    Rocky mountain iris,  Western blue flag
native
Perennial herb

IRIDACEAE

Iris missouriensis Iris missouriensis Iris missouriensis
2003 Michael Charters
2018 Cynthia Powell
2011 Robert Sivinski

Juglans hindsii    Northern california black walnut
native
Tree

JUGLANDACEAE

Juglans hindsii Juglans hindsii Juglans hindsii
2009 Neal Kramer
2018 Catherine Capone
2015 Jenny Gossett

Juncus balticus var. mexicanus    Mexican rush
(currently Juncus mexicanus)
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus var. mexicanus Juncus balticus var. mexicanus Juncus balticus var. mexicanus
2003 Brent Miller
2014 Aaron Arthur
2003 Brent Miller

Juncus bufonius var. bufonius    Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. bufonius Juncus bufonius var. bufonius Juncus bufonius var. bufonius
2004 James M. Andre
2003 George W. Hartwell
2013 Steve Matson

Juncus confusus    Colorado rush
native
Perennial grasslike herb

JUNCACEAE

Juncus confusus Juncus confusus Juncus confusus
2012 Gary A. Monroe
2012 Gary A. Monroe
2015 Steve Matson

Juncus dubius    Dubius rush,  Mariposa rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus Juncus effusus ssp. pacificus Juncus effusus ssp. pacificus
2007 Neal Kramer
2008 Neal Kramer
2013 Robert Steers/NPS

Juncus ensifolius    Sword leaved rush,  Swordleaf rush,  Three stamened rush
native
Perennial grasslike herb

JUNCACEAE

Juncus ensifolius Juncus ensifolius Juncus ensifolius
2008 Keir Morse
2004 Steve Matson
2008 Keir Morse

Juncus exiguus    Klamath or weak rush
native
Perennial grasslike herb

JUNCACEAE

Juncus exiguus Juncus exiguus Juncus exiguus
2004 Steve Matson
2012 Virginia Moran
2012 Virginia Moran

Juncus longistylis    Long styled rush,  Longstyle rush
native
Perennial grasslike herb

JUNCACEAE

Juncus longistylis Juncus longistylis
2004 Steve Matson
2004 Steve Matson

Juncus nevadensis    Sierra rush
native
Perennial grasslike herb

JUNCACEAE

Juncus nevadensis Juncus nevadensis Juncus nevadensis
2015 Debra L. Cook
2008 Keir Morse
2008 Keir Morse

Juncus orthophyllus    Straight leaved rush,  Straightleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus orthophyllus Juncus orthophyllus Juncus orthophyllus
2003 Steve Matson
2016 Dana York
2008 Keir Morse

Juncus oxymeris    Pointed rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus parryi    Parry's rush
native
Perennial grasslike herb

JUNCACEAE

Juncus parryi Juncus parryi Juncus parryi
2009 Steve Matson
2005 Steve Matson
2005 Steve Matson

Juncus tenuis    Poverty rush,  Slender rush
native
Perennial grasslike herb

JUNCACEAE

Juncus tenuis Juncus tenuis Juncus tenuis
2009 Neal Kramer
2008 Keir Morse
2008 Keir Morse

Keckiella breviflora var. glabrisepala    Hairless gaping keckiella
native
Shrub

PLANTAGINACEAE

Keckiella breviflora var. glabrisepala Keckiella breviflora var. glabrisepala Keckiella breviflora var. glabrisepala
2009 Ron Wolf
2018 Adam Chasey
2009 Ron Wolf

Kelloggia galioides    Milk kelloggia
native
Perennial herb

RUBIACEAE

Kelloggia galioides Kelloggia galioides Kelloggia galioides
2003 Steve Matson
2010 Barry Breckling
2010 Keir Morse

Kumlienia hystricula    Waterfall false buttercup
(currently Ranunculus hystriculus)
native
Perennial herb

RANUNCULACEAE

Kumlienia hystricula Kumlienia hystricula
2009 Barry Breckling
2009 Barry Breckling

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

ASTERACEAE

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

Lathyrus latifolius    Everlasting pea,  Perennial pea,  Perennial sweet pea
non-native
Perennial herb

FABACEAE

Lathyrus latifolius Lathyrus latifolius Lathyrus latifolius
2008 Keir Morse
2008 Louis-M. Landry
2005 Dr. Amadej Trnkoczy

Lathyrus nevadensis    Sierra pea
native
Perennial herb

FABACEAE

Lathyrus nevadensis Lathyrus nevadensis Lathyrus nevadensis
2002 George W. Hartwell
2008 Keir Morse
2008 Keir Morse

Lathyrus sulphureus var. sulphereus    Brewer's pea,  Snub pea,  Sulpher pea
(currently Lathyrus sulphureus)
native
Perennial herb

FABACEAE

Lathyrus sulphureus var. sulphereus Lathyrus sulphureus var. sulphereus Lathyrus sulphureus var. sulphereus
2009 Ron Wolf
2001 Jeff Abbas
2009 Barry Breckling

Lepidium densiflorum    Common pepper grass,  Common pepperweed
native
Annual herb

BRASSICACEAE

Lepidium densiflorum Lepidium densiflorum Lepidium densiflorum
2014 Robert Sikora
2011 Steve Matson
2010 Jean Pawek

Lepidium virginicum var. pubescens    Robinson's pepper grass
(currently Lepidium virginicum ssp. menziesii)
native
Annual herb

BRASSICACEAE

Lepidium virginicum var. pubescens
2011 Ramona Robison

Leptodactylon pungens ssp. pulchriflorum    Granite prickly phlox
(currently Linanthus pungens)
native
Shrub

POLEMONIACEAE

Leptodactylon pungens ssp. pulchriflorum Leptodactylon pungens ssp. pulchriflorum Leptodactylon pungens ssp. pulchriflorum
1998 Larry Blakely
2018 Matt Berger
2018 Matt Berger

Leptosiphon ciliatus    Whiskerbrush
native
Annual herb

POLEMONIACEAE

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

Lessingia leptoclada    Sierra lessingia
native
Annual herb

ASTERACEAE

Lessingia leptoclada Lessingia leptoclada
2008 Ron Wolf
2008 Ron Wolf

Leucanthemum vulgare    Oxe eye daisy,  Oxeye daisy
invasive non-native
Perennial herb

ASTERACEAE

Leucanthemum vulgare Leucanthemum vulgare Leucanthemum vulgare
2005 Lisa Powers
2018 Brian Charles
2008 Keir Morse

Leucothoe davisiae    Sierra laurel
native
Shrub

ERICACEAE

Leucothoe davisiae Leucothoe davisiae Leucothoe davisiae
2011 Aaron Schusteff
2018 Matt Berger
2018 Adam Chasey

Lewisia triphylla    Three leafed lewisia,  Three leaved lewisia,  Threeleaf lewisia
native
Perennial herb

MONTIACEAE

Lewisia triphylla Lewisia triphylla Lewisia triphylla
2016 John Doyen
2010 Keir Morse
2010 Vernon Smith

Leymus triticoides    Beardless wild rye
(currently Elymus triticoides)
native
Perennial grass

POACEAE

Leymus triticoides Leymus triticoides Leymus triticoides
2005 Keir Morse
2006 Laura Ann Eliassen
2008 Zoya Akulova

Ligusticum grayi    Gray's licorice root,  Gray's lovage,  Gray's wild lovage
native
Perennial herb

APIACEAE

Ligusticum grayi Ligusticum grayi Ligusticum grayi
2010 Barry Breckling
2015 Debra L. Cook
2012 Gary A. Monroe

Lilium parvum    Alpine lily,  Sierra tiger lily
native
Perennial herb

LILIACEAE

Lilium parvum Lilium parvum Lilium parvum
2001 Jeff Abbas
1992 Gary A. Monroe
2009 Keir Morse

Lilium washingtonianum    Washington lily
native
Perennial herb

LILIACEAE

Lilium washingtonianum Lilium washingtonianum Lilium washingtonianum
2001 Steven Thorsted
2011 Dee E. Warenycia
1993 Steve Matson

Listera convallarioides    Broad leaved tway blade,  Broad lipped twayblade,  Broadlipped twayblade
native
Perennial herb

ORCHIDACEAE

Listera convallarioides Listera convallarioides Listera convallarioides
2009 Barry Rice
2015 Barry Rice
2011 Steve Matson

Lithophragma bolanderi    Bolander's woodland star,  Hillstar,  Sierra star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma bolanderi Lithophragma bolanderi Lithophragma bolanderi
2009 Neal Kramer
2015 Debra L. Cook
1993 Arthur H. Bazell, M.D.

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

POACEAE

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

Lomatium torreyi    Sierra biscuitroot,  Torrey's lomatium
native
Perennial herb

APIACEAE

Lomatium torreyi Lomatium torreyi
2010 Barry Breckling
1995 Saint Mary's College of California

Lonicera interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

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

Lonicera involucrata    Coast twinberry,  Twin berry,  Twinberry honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera involucrata Lonicera involucrata Lonicera involucrata
2010 Aaron Arthur
2018 Cynthia Powell
2018 Cynthia Powell

Lotus argophyllus var. fremontii    Fremont's silver lotus
(currently Acmispon argophyllus var. fremontii)
native
Perennial herb

FABACEAE

Lotus argophyllus var. fremontii Lotus argophyllus var. fremontii Lotus argophyllus var. fremontii
2011 Steven Perry
2011 Steven Perry
2011 Steven Perry

Lotus crassifolius    Broad leaved lotus
(currently Hosackia crassifolia)
native
Perennial herb

FABACEAE

Lotus crassifolius Lotus crassifolius Lotus crassifolius
2013 Debra L. Cook
2018 Aaron Echols
2009 Keir Morse

Lotus nevadensis var. nevadensis    Sierra nevada lotus
(currently Acmispon nevadensis var. nevadensis)
native
Perennial herb

FABACEAE

Lotus nevadensis var. nevadensis Lotus nevadensis var. nevadensis Lotus nevadensis var. nevadensis
2015 Debra L. Cook
2015 Debra L. Cook
2015 Barry Breckling

Lotus oblongifolius var. oblongifolius    Narrow leaved lotus
(currently Hosackia oblongifolia var. oblongifolia)
native
Perennial herb

FABACEAE

Lotus oblongifolius var. oblongifolius Lotus oblongifolius var. oblongifolius Lotus oblongifolius var. oblongifolius
2012 Neal Kramer
2009 Keir Morse
2006 Steve Matson

Lotus pinnatus    Pinnate lotus
(currently Hosackia pinnata)
native
Perennial herb

FABACEAE

Lotus pinnatus Lotus pinnatus Lotus pinnatus
2011 Steve Matson
2015 Steve Matson
2015 Steve Matson

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

FABACEAE

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

Lotus strigosus var. strigosus    Strigose lotus
(currently Acmispon strigosus)
native
Annual herb

FABACEAE

Lotus strigosus var. strigosus Lotus strigosus var. strigosus Lotus strigosus var. strigosus
2008 Keir Morse
2004 James M. Andre
2009 Neal Kramer

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

FABACEAE

Lupinus albifrons var. collinus Lupinus albifrons var. collinus Lupinus albifrons var. collinus
2009 Barry Breckling
2006 Doreen L. Smith
2009 Barry Breckling

Lupinus arbustus    Long spurred lupine,  Longspur lupine
native
Perennial herb

FABACEAE

Lupinus arbustus Lupinus arbustus Lupinus arbustus
2014 John Doyen
2014 John Doyen
2012 Gary A. Monroe

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

FABACEAE

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

Lupinus breweri    Brewer's lupine
native
Perennial herb

FABACEAE

Lupinus breweri Lupinus breweri Lupinus breweri
2003 Michael Charters
Corsi 2015 California Academy of Sciences
2007 Dr. Mark S. Brunell

Lupinus grayi    Gray's lupine,  Sierra lupine
native
Perennial herb

FABACEAE

Lupinus grayi Lupinus grayi Lupinus grayi
2006 Steve Matson
2018 Adam Chasey
2016 David popp

Lupinus latifolius ssp. longipes    Broad leaved lupine,  Columbia lupine
(currently Lupinus latifolius var. columbianus)
native
Perennial herb

FABACEAE

Lupinus latifolius ssp. longipes Lupinus latifolius ssp. longipes Lupinus latifolius ssp. longipes
1999 Gary A. Monroe
2015 Debra L. Cook
2013 Barry Breckling

Lupinus lepidus var. confertus    Clustered tidy lupine
native
Perennial herb

FABACEAE

Lupinus lepidus var. confertus Lupinus lepidus var. confertus Lupinus lepidus var. confertus
2013 Debra L. Cook
1995 Saint Mary's College of California
2012 Ron Wolf

Lupinus lepidus var. sellulus    Dwarf tidy lupine,  Stool lupine,  Torrey's lupine
native
Perennial herb

FABACEAE

Lupinus lepidus var. sellulus Lupinus lepidus var. sellulus Lupinus lepidus var. sellulus
2014 Julie Kierstead Nelson
2014 Julie Kierstead Nelson
2003 Steve Matson

Lupinus polyphyllus    Bigleaf lupine,  Bog lupine,  Meadow lupine
native
Perennial herb

FABACEAE

Lupinus polyphyllus Lupinus polyphyllus Lupinus polyphyllus
2004 Nick Kurzenko
2017 David popp
2003 George W. Hartwell

Lupinus stiversii    Harlequin annual lupine,  Harlequin lupine
native
Annual herb

FABACEAE

Lupinus stiversii Lupinus stiversii Lupinus stiversii
2007 Neal Kramer
2018 Bill Schmidt
2016 Jim Bearden

Luzula comosa    Common wood rush,  Hairy wood rush,  Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa Luzula comosa Luzula comosa
2003 Steve Matson
2015 Richard Chasey
2009 Keir Morse

Luzula parviflora    Small flowered wood rush,  Smallflowered woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula parviflora Luzula parviflora Luzula parviflora
2005 George W. Hartwell
2008 Louis-M. Landry
2012 Aaron Arthur

Lychnis coronaria    Rose campion
non-native
Perennial herb

CARYOPHYLLACEAE

Lychnis coronaria Lychnis coronaria Lychnis coronaria
2013 Debra L. Cook
2012 Debra L. Cook
2011 Steven Perry

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

ASTERACEAE

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

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

ASTERACEAE

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

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

ASTERACEAE

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

Madia minima    Opposite leaved tarweed
(currently Hemizonella minima)
native
Annual herb

ASTERACEAE

Madia minima Madia minima Madia minima
2005 Steve Matson
2015 Neal Kramer
2007 Dr. Mark S. Brunell

Maianthemum racemosum var. amplexicaule    Feathery false lily of the valley
(currently Maianthemum racemosum)
native
Perennial herb

RUSCACEAE

Maianthemum racemosum var. amplexicaule Maianthemum racemosum var. amplexicaule Maianthemum racemosum var. amplexicaule
2010 Barry Breckling
2009 Keir Morse
2018 Chico Hiking Association

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

ASTERACEAE

Malacothrix clevelandii Malacothrix clevelandii Malacothrix clevelandii
2008 Keir Morse
2009 Robert Steers
2008 Keir Morse

Malacothrix floccifera    Woolly dandelion,  Woolly desertdandelion,  Woolly malacothrix
native
Annual herb

ASTERACEAE

Malacothrix floccifera Malacothrix floccifera Malacothrix floccifera
2005 Christopher L. Christie
2018 Ken Hickman
2011 Dylan Neubauer

Melica aristata    Awned melic,  Bearded melicgrass
native
Perennial grass

POACEAE

Melica aristata Melica aristata Melica aristata
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson

Melica californica var. californica    California melicgrass
(currently Melica californica)
native
Perennial grass

POACEAE

Melica californica var. californica Melica californica var. californica Melica californica var. californica
2006 Tom Annese
2009 Keir Morse
2011 Aaron Arthur

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

POACEAE

Melica imperfecta Melica imperfecta Melica imperfecta
2009 Keir Morse
2009 Keir Morse
2009 Keir Morse

Melica subulata    Alaska melic,  Alaska onion grass,  Alaska oniongrass
native
Perennial grass

POACEAE

Melica subulata Melica subulata Melica subulata
2008 Keir Morse
2013 Robert Steers/NPS
2013 Robert Steers/NPS

Mentha arvensis    American wild mint,  Field mint,  Marsh mint
native
Perennial herb

LAMIACEAE

Mentha arvensis Mentha arvensis Mentha arvensis
2003 Steve Matson
2013 Debra L. Cook
2015 Barry Breckling

Mertensia ciliata    Ciliate lungwort,  Streamside bluebells,  Tall fringed bluebells
native
Perennial herb

BORAGINACEAE

Mertensia ciliata Mertensia ciliata
2009 Keir Morse
2009 Ron Wolf

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis Microsteris gracilis Microsteris gracilis
2010 James M. Andre
2016 Jim Moore
2009 Lynn Watson

Mimetanthe pilosa    Downy mimetanthe,  Downy monkey flower,  False monkeyflower
(currently Mimulus pilosus)
native
Annual herb

PHRYMACEAE

Mimetanthe pilosa Mimetanthe pilosa Mimetanthe pilosa
2008 Steve Matson
2017 Alison Sheehey
2017 Alison Sheehey

Mimulus cardinalis    Cardinal monkey flower
(currently Erythranthe cardinalis)
native
Perennial herb

PHRYMACEAE

Mimulus cardinalis Mimulus cardinalis Mimulus cardinalis
2018 Matt Berger
2015 Garth Wadsworth
2017 Aaron Echols

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

PHRYMACEAE

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

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

PHRYMACEAE

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

Mimulus laciniatus    cut-leaved monkeyflower
(currently Erythranthe laciniata)
native
Annual herb

PHRYMACEAE

Mimulus laciniatus Mimulus laciniatus Mimulus laciniatus
2011 Ron Wolf
2018 Sierra Pacific Industries
2015 John Doyen

Mimulus layneae    Layne's monkeyflower
(currently Diplacus layneae)
native
Annual herb

PHRYMACEAE

Mimulus layneae Mimulus layneae Mimulus layneae
2007 Neal Kramer
2010 Barry Breckling
2009 Keir Morse

Mimulus leptaleus    Least flowered monkey flower
(currently Diplacus leptaleus)
native
Annual herb

PHRYMACEAE

Mimulus leptaleus Mimulus leptaleus Mimulus leptaleus
2014 Debra L. Cook
2012 Aaron Arthur
2014 Debra L. Cook

Mimulus lewisii    Lewis' monkey flower
(currently Erythranthe lewisii)
native
Perennial herb

PHRYMACEAE

Mimulus lewisii Mimulus lewisii Mimulus lewisii
2007 Michelle Cloud-Hughes
2000 John Game
2017 Adam Chasey

Mimulus moschatus    Musk monkeyflower
(currently Erythranthe inodora)
native
Perennial herb

PHRYMACEAE

Mimulus moschatus Mimulus moschatus Mimulus moschatus
2009 Keir Morse
2008 Keir Morse
2013 Ron Wolf

Mimulus primuloides    Primrose monkeyflower
(currently Erythranthe primuloides)
native
Perennial herb

PHRYMACEAE

Mimulus primuloides Mimulus primuloides Mimulus primuloides
2009 Keir Morse
2018 David popp
2003 Steve Matson

Mimulus suksdorfii    Suksdorf's monkeyflower
(currently Erythranthe suksdorfii)
native
Annual herb

PHRYMACEAE

Mimulus suksdorfii Mimulus suksdorfii Mimulus suksdorfii
2009 Keir Morse
2005 Steve Matson
2005 Steve Matson

Mimulus tilingii    Larger mountain monkeyflower
(currently Erythranthe tilingii)
native
Perennial herb

PHRYMACEAE

Mimulus tilingii Mimulus tilingii Mimulus tilingii
2005 Dr. Mark S. Brunell
2013 James Gonsman
2016 Cynthia Powell

Mimulus torreyi    Torrey's monkeyflower
(currently Diplacus torreyi)
native
Annual herb

PHRYMACEAE

Mimulus torreyi Mimulus torreyi Mimulus torreyi
2003 Steve Matson
2016 Jim Moore
2001 George W. Hartwell

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

CARYOPHYLLACEAE

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

Mitella breweri    Brewer's miterwort
(currently Pectiantia breweri)
native
Perennial herb

SAXIFRAGACEAE

Mitella breweri Mitella breweri Mitella breweri
2010 Keir Morse
2010 Keir Morse
2016 Steven Thorsted

Monardella lanceolata    Mustang mint,  Mustang monardella,  Mustangmint
native
Annual herb

LAMIACEAE

Monardella lanceolata Monardella lanceolata
2003 Christopher L. Christie
2009 Keir Morse

Monardella odoratissima    Desert mint,  Mountain monardella
native
Perennial herb

LAMIACEAE

Monardella odoratissima Monardella odoratissima Monardella odoratissima
2004 Steve Matson
2014 Sierra Pacific Industries
2003 Michael Charters

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

MONTIACEAE

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

Montia parvifolia    Littleleaf minerslettuce,  Showy rock montia
native
Perennial herb

MONTIACEAE

Montia parvifolia Montia parvifolia Montia parvifolia
2008 Keir Morse
2018 Adam Chasey
2015 John Doyen

Muhlenbergia filiformis    Pullup muhly,  Slender muhly
native
Annual, Perennial grass

POACEAE

Muhlenbergia filiformis Muhlenbergia filiformis Muhlenbergia filiformis
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson

Muhlenbergia richardsonis    Mat muhly,  Matted muhly,  Richardson's muhly
native
Perennial grass

POACEAE

Muhlenbergia richardsonis Muhlenbergia richardsonis Muhlenbergia richardsonis
2012 Steve Matson
2006 Steve Matson
2007 Steve Matson

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

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

Narcissus pseudonarcissus    Daffodil
non-native
Perennial herb (bulb)

AMARYLLIDACEAE

Narcissus pseudonarcissus Narcissus pseudonarcissus
2007 Ram Vasudev
2005 Louis-M. Landry

Navarretia divaricata    Divaricate navarretia,  Mountain navarretia
native
Annual herb

POLEMONIACEAE

Navarretia divaricata Navarretia divaricata Navarretia divaricata
2008 Steve Matson
2008 Steve Matson
2010 Jean Pawek

Nemophila heterophylla    Canyon nemophila,  Small baby blue eyes,  Variable leaved nemophila
native
Annual herb

BORAGINACEAE

Nemophila heterophylla Nemophila heterophylla Nemophila heterophylla
2014 Debra L. Cook
2011 Neal Kramer
2006 Steve Matson

Nemophila maculata    Five spot,  Fivespot
native
Annual herb

BORAGINACEAE

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

Nuphar polysepala    Rocky mountain pond-lily
native
Perennial herb (aquatic)

NYMPHAEACEAE

Nuphar polysepala Nuphar polysepala Nuphar polysepala
2018 Chico Hiking Association
2018 Chico Hiking Association
2005 Steve Matson

Oenothera elata ssp. hirsutissima    Evening primrose,  Hairy evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata ssp. hirsutissima Oenothera elata ssp. hirsutissima Oenothera elata ssp. hirsutissima
2015 Bill Haley
2015 Bill Haley
2010 Patrick Furtado

Osmorhiza berteroi    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza berteroi Osmorhiza berteroi Osmorhiza berteroi
2010 Barry Breckling
2013 Chris Wagner
2006 Steve Matson

Osmorhiza brachypoda    California sweet cicely,  California sweetcicely
native
Perennial herb

APIACEAE

Osmorhiza brachypoda Osmorhiza brachypoda Osmorhiza brachypoda
2005 Keir Morse
2014 Steve Matson
2014 Neal Kramer

Oxypolis occidentalis    Western cow bane,  Western cowbane
native
Perennial herb

APIACEAE

Oxypolis occidentalis Oxypolis occidentalis Oxypolis occidentalis
2010 Barry Breckling
2010 Barry Breckling
2013 Robert Sikora

Panicum capillare ssp. capillare    Old witch grass,  Witchgrass
(currently Panicum capillare)
native
Annual grass

POACEAE

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

Parthenocissus vitacea    Woodbine
(currently Parthenocissus inserta)
native
Vine, Shrub

VITACEAE

Parthenocissus vitacea Parthenocissus vitacea Parthenocissus vitacea
Sherry Ballard 2004 California Academy of Sciences
2018 Matt Berger
2014 Jean Pawek

Pedicularis semibarbata    Bearded lousewort,  Pine lousewort,  Pine woods lousewort
native
Perennial herb

OROBANCHACEAE

Pedicularis semibarbata Pedicularis semibarbata Pedicularis semibarbata
2001 Jeff Abbas
2017 Alison Sheehey
2018 Cynthia Powell

Pellaea andromedifolia var. andromedifolia    Coffee cliffbrake,  Coffee fern
(currently Pellaea andromedifolia)
native
Fern

PTERIDACEAE

Pellaea andromedifolia var. andromedifolia Pellaea andromedifolia var. andromedifolia Pellaea andromedifolia var. andromedifolia
2018 Pamela Bateman
2015 James Gonsman
2014 Richard Chasey

Pellaea breweri    Brewer's cliff brake,  Brewer's cliffbrake
native
Fern

PTERIDACEAE

Pellaea breweri Pellaea breweri Pellaea breweri
2013 Robert Steers
2012 Steven Perry
2004 Larry Blakely

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

PTERIDACEAE

Pellaea mucronata var. mucronata Pellaea mucronata var. mucronata Pellaea mucronata var. mucronata
2008 Keir Morse
2008 Keir Morse
2005 James M. Andre

Penstemon azureus var. angustissimus    Azure penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon azureus var. angustissimus Penstemon azureus var. angustissimus Penstemon azureus var. angustissimus
2009 Gary A. Monroe
2011 Barry Breckling
2009 Gary A. Monroe

Penstemon heterophyllus var. purdy    Bunchleaf penstemon,  Foothill penstemon
(currently Penstemon heterophyllus)
native
Perennial herb

PLANTAGINACEAE

Penstemon heterophyllus var. purdy Penstemon heterophyllus var. purdy Penstemon heterophyllus var. purdy
2006 Matt Below
2015 Debra L. Cook
2012 Gary McDonald

Penstemon newberryi var. newberryi    Newberry's penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon newberryi var. newberryi Penstemon newberryi var. newberryi Penstemon newberryi var. newberryi
2009 Keir Morse
2009 Keir Morse
2007 Penn Martin II

Penstemon rostriflorus    Beaked penstemon,  Bridge penstemon,  Bridge's penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon rostriflorus Penstemon rostriflorus Penstemon rostriflorus
2013 John Doyen
2013 Keir Morse
2013 Keir Morse

Pentagramma triangularis ssp. triangularis    Gold back fern
native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis Pentagramma triangularis ssp. triangularis Pentagramma triangularis ssp. triangularis
2008 Keir Morse
2015 John Doyen
2005 Brent Miller

Perideridia bolanderi ssp. bolanderi    Bolander's yampah
native
Perennial herb

APIACEAE

Perideridia bolanderi ssp. bolanderi Perideridia bolanderi ssp. bolanderi Perideridia bolanderi ssp. bolanderi
2010 Barry Breckling
2010 Barry Breckling
2009 Keir Morse

Perideridia howellii    Howell's yampah
native
Perennial herb

APIACEAE

Perideridia howellii Perideridia howellii Perideridia howellii
2010 Barry Breckling
2008 Chris Winchell
2008 Chris Winchell

Persicaria hydropiper    Common smartweed
non-native
Annual herb

POLYGONACEAE

Persicaria hydropiper Persicaria hydropiper Persicaria hydropiper
2009 Gerald Carr
2009 Gerald Carr
2009 Gerald Carr

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

Persicaria lapathifolia Persicaria lapathifolia Persicaria lapathifolia
2008 Louis-M. Landry
2008 Louis-M. Landry
2009 Phil Pullen

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

BORAGINACEAE

Phacelia egena Phacelia egena Phacelia egena
2009 Irene Lindsey
2005 Russell Towle
2013 Julie Kierstead Nelson

Phacelia hastata    Mountain phacelia,  Silverleaf phacelia,  Timberline phacelia
native
Perennial herb

BORAGINACEAE

Phacelia hastata Phacelia hastata Phacelia hastata
2008 Matt Below
2003 Christopher L. Christie
2007 Matt Below

Phacelia heterophylla ssp. virgata    Varied leaf phacelia
(currently Phacelia heterophylla var. virgata)
native
Perennial herb

BORAGINACEAE

Phacelia heterophylla ssp. virgata Phacelia heterophylla ssp. virgata Phacelia heterophylla ssp. virgata
2006 Steve Matson
2006 Steve Matson
2010 Barry Breckling

Phacelia hydrophylloides    Water leaf phacelia,  Waterleaf phacelia
native
Perennial herb

BORAGINACEAE

Phacelia hydrophylloides Phacelia hydrophylloides Phacelia hydrophylloides
2014 Debra L. Cook
2003 Michael Charters
2012 Steve Matson

Phacelia purpusii    Purpus' phacelia
native
Annual herb

BORAGINACEAE

Phacelia purpusii Phacelia purpusii Phacelia purpusii
2015 Debra L. Cook
2011 Zoya Akulova
2015 Debra L. Cook

Phacelia quickii    Quick's phacelia
native
Annual herb

BORAGINACEAE

Phacelia quickii Phacelia quickii Phacelia quickii
2009 Ron Wolf
2011 Steven Perry
2005 Steve Tyron

Phacelia ramosissima var. ramosissima    Branching phacelia
(currently Phacelia ramosissima)
native
Perennial herb

BORAGINACEAE

Phacelia ramosissima var. ramosissima Phacelia ramosissima var. ramosissima Phacelia ramosissima var. ramosissima
2011 Neal Kramer
2011 Neal Kramer
2005 Steve Matson

Philadelphus lewisii ssp. lewisii    Lewis' mock orange,  Mock orange,  Wild mock orange
(currently Philadelphus lewisii)
native
Shrub

HYDRANGEACEAE

Philadelphus lewisii ssp. lewisii Philadelphus lewisii ssp. lewisii Philadelphus lewisii ssp. lewisii
2003 Christopher L. Christie
2014 Robert Sikora
2007 George W. Hartwell

Phleum alpinum    Alpine timothy,  Mountain timothy,  Timothy grass
native
Perennial grass

POACEAE

Phleum alpinum Phleum alpinum Phleum alpinum
2010 Keir Morse
2012 Aaron Arthur
2009 Keir Morse

Phleum pratense    Common timothy,  Cultivated timothy,  Timothy
non-native
Perennial grass

POACEAE

Phleum pratense Phleum pratense Phleum pratense
2008 Keir Morse
2005 Louis-M. Landry
2005 Louis-M. Landry

Phlox diffusa    Spreading phlox
native
Perennial herb

POLEMONIACEAE

Phlox diffusa Phlox diffusa Phlox diffusa
2018 Saskia Raether
2010 Keir Morse
2018 Cynthia Powell

Phoradendron libocedri    Juniper mistletoe
(currently Phoradendron juniperinum)
native
Shrub (parasitic)

VISCACEAE

Phoradendron libocedri Phoradendron libocedri Phoradendron libocedri
2004 James M. Andre
2008 Jason E. Willand
2016 Keir Morse

Phoradendron villosum    Mistletoe
(currently Phoradendron leucarpum ssp. tomentosum)
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum Phoradendron villosum Phoradendron villosum
2013 Jorg & Mimi Fleige
2009 Keir Morse
2005 Steven Perkins

Pinus attenuata    Knobcone pine,  Scrub pine
native
Tree

PINACEAE

Pinus attenuata Pinus attenuata Pinus attenuata
2002 Matt Strieby
2018 Hayley Ross
2008 Keir Morse

Pinus contorta var. murrayana    Lodgepole pine,  Tamarack
(currently Pinus contorta ssp. murrayana)
native
Tree

PINACEAE

Pinus contorta var. murrayana Pinus contorta var. murrayana Pinus contorta var. murrayana
2009 Neal Kramer
2010 Keir Morse
2010 Keir Morse

Pinus jeffreyi    Jeffrey pine
native
Tree

PINACEAE

Pinus jeffreyi Pinus jeffreyi Pinus jeffreyi
2009 Ryan Gilmore
2009 Neal Kramer
2016 Jim Moore

Pinus lambertiana    Sugar pine
native
Tree

PINACEAE

Pinus lambertiana Pinus lambertiana Pinus lambertiana
2008 Keir Morse
2011 Wynn Anderson
2011 Wynn Anderson

Pinus monticola    Little sugar pine,  Mountain pine,  Silver pine
native
Tree

PINACEAE

Pinus monticola Pinus monticola Pinus monticola
2007 Dr. Mark S. Brunell
Corsi 2014 California Academy of Sciences
2010 Keir Morse

Pinus ponderosa    Bull pine,  Pitch pine,  Ponderosa pine
native
Tree

PINACEAE

Pinus ponderosa Pinus ponderosa Pinus ponderosa
2010 Keir Morse
2008 George W. Hartwell
2018 David popp

Piperia colemanii    Coleman's piperia
native
Perennial herb

ORCHIDACEAE

Piperia colemanii Piperia colemanii Piperia colemanii
2012 Keir Morse
2009 Keir Morse
2013 Debra L. Cook

Piperia transversa    Mountain piperia,  Royal rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia transversa Piperia transversa Piperia transversa
2004 Susanna Danner
2015 jamie smith
2015 jamie smith

Piperia unalascensis    Alaska piperia,  Alaska rein orchid,  Rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia unalascensis Piperia unalascensis Piperia unalascensis
1998 James B. Gratiot
2006 Steve Matson
2006 Steve Matson

Plagiobothrys hispidulus    Harsh allocarya,  Harsh popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys hispidulus Plagiobothrys hispidulus Plagiobothrys hispidulus
2012 Jean Pawek
2012 Jean Pawek
2005 Steve Matson

Plagiobothrys stipitatus    Stalked popcornflower,  Vernal pool allocarya
native
Annual herb

BORAGINACEAE

Plagiobothrys stipitatus Plagiobothrys stipitatus Plagiobothrys stipitatus
2008 Dee E. Warenycia
2004 Carol W. Witham
2004 Carol W. Witham

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

BORAGINACEAE

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

Plagiobothrys torreyi var. torreyi    Torrey's popcorn flower,  Torrey's popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys torreyi var. torreyi Plagiobothrys torreyi var. torreyi Plagiobothrys torreyi var. torreyi
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson

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

PLANTAGINACEAE

Plantago lanceolata Plantago lanceolata Plantago lanceolata
2007 Neal Kramer
2010 Dr. Amadej Trnkoczy
2008 Keir Morse

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

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

Platanthera sparsiflora    Bog orchid,  Sparse flowered bog orchid
native
Perennial herb

ORCHIDACEAE

Platanthera sparsiflora Platanthera sparsiflora Platanthera sparsiflora
2009 Justin M. Wood
2004 Steve Matson
2009 Julie Kierstead Nelson

Pleuricospora fimbriolata    Fringed pinesap
native
Perennial herb (mycoparasitic)

ERICACEAE

Pleuricospora fimbriolata Pleuricospora fimbriolata Pleuricospora fimbriolata
2005 Brent Miller
2017 Art Clark
2015 David popp

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

POACEAE

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

Poa bolanderi    Bolander's blue grass,  Bolander's bluegrass
native
Annual grass

POACEAE

Poa bolanderi Poa bolanderi Poa bolanderi
2014 Belinda Lo
© 2014 Belinda Lo
2014 Belinda Lo

Poa bulbosa    Bulbous blue grass,  Bulbous bluegrass
non-native
Perennial grass

POACEAE

Poa bulbosa Poa bulbosa Poa bulbosa
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

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

POACEAE

Poa pratensis ssp. pratensis Poa pratensis ssp. pratensis Poa pratensis ssp. pratensis
2008 Keir Morse (Poa pratensis)
2008 Keir Morse (Poa pratensis)
1998 Dean Wm. Taylor (Poa pratensis ssp. agassizensis)

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

POACEAE

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

Poa trivialis    Rough blue grass,  Rough bluegrass
non-native
Perennial grass

POACEAE

Poa trivialis
2006 Greta Murdoff

Poa wheeleri    Hooker's bluegrass,  Wheeler's blue grass,  Wheeler's bluegrass
native
Perennial grass

POACEAE

Poa wheeleri Poa wheeleri Poa wheeleri
2010 Neal Kramer
2010 Steve Matson
2010 Steve Matson

Polygonum aviculare ssp. aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare ssp. aviculare Polygonum aviculare ssp. aviculare Polygonum aviculare ssp. aviculare
2006 Adonis (Don) Tate
2006 Adonis (Don) Tate
2006 Adonis (Don) Tate

Polygonum douglasii ssp. douglasii    Douglas' knotweed
(currently Polygonum douglasii)
native
Annual herb

POLYGONACEAE

Polygonum douglasii ssp. douglasii Polygonum douglasii ssp. douglasii Polygonum douglasii ssp. douglasii
2016 Judy and Barry Breckling
2009 Barry Breckling
2009 Barry Breckling

Polygonum kelloggii    Kellogg's knotweed
(currently Polygonum polygaloides ssp. kelloggii)
native
Annual herb

POLYGONACEAE

Polygonum kelloggii Polygonum kelloggii Polygonum kelloggii
2010 Steve Matson
2009 Keir Morse
2009 Keir Morse

Polygonum parryi    Parry's knotweed
native
Annual herb

POLYGONACEAE

Polygonum parryi Polygonum parryi
1998 Dean Wm. Taylor
2018 Jake Ruygt

Polygonum sawatchense    Knotweed
native
Annual herb

POLYGONACEAE

Polygonum sawatchense Polygonum sawatchense Polygonum sawatchense
2009 Barry Breckling
2012 Dean Wm. Taylor. Ph. D.
2009 Barry Breckling

Polypodium hesperium    Western polypody
native
Fern

POLYPODIACEAE

Polypodium hesperium Polypodium hesperium Polypodium hesperium
2011 Ryan Batten
2011 Ryan Batten
2011 Barry Breckling

Polystichum imbricans ssp. imbricans    Narrowleaf swordfern,  Rock sword fern
native
Fern

DRYOPTERIDACEAE

Polystichum imbricans ssp. imbricans Polystichum imbricans ssp. imbricans Polystichum imbricans ssp. imbricans
2014 Dana York
2008 Keir Morse
2008 Keir Morse

Populus balsamifera ssp. trichocarpa    Black cottonwood
(currently Populus trichocarpa)
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa Populus balsamifera ssp. trichocarpa Populus balsamifera ssp. trichocarpa
2012 Zoya Akulova
2018 Ron Vanderhoff
2008 Keir Morse

Populus tremuloides    Quaking aspen
native
Tree

SALICACEAE

Populus tremuloides Populus tremuloides Populus tremuloides
2008 John Dittes
2016 Keir Morse
2005 Louis-M. Landry

Potamogeton natans    Floating leaved pondweed,  Floating pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton natans Potamogeton natans Potamogeton natans
2006 Steve Matson
2011 Louis-M. Landry
2006 Steve Matson

Potentilla gracilis var. fastigiata    Slender cinquefoil
native
Perennial herb

ROSACEAE

Potentilla gracilis var. fastigiata Potentilla gracilis var. fastigiata Potentilla gracilis var. fastigiata
2016 John Doyen
2016 John Doyen
2007 Dr. Mark S. Brunell

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri Prosartes hookeri Prosartes hookeri
2007 Neal Kramer
2008 Keir Morse
2016 Ray Gill

Prunella vulgaris    Common selfheal,  Self heal,  Selfheal
native
Perennial herb

LAMIACEAE

Prunella vulgaris Prunella vulgaris Prunella vulgaris
2007 Dr. Mark S. Brunell
2017 Ron Vanderhoff
2013 John Malpas

Prunus virginiana var. demissa    Chokecherry,  Western choke cherry,  Western chokecherry
native
Tree, Shrub

ROSACEAE

Prunus virginiana var. demissa Prunus virginiana var. demissa Prunus virginiana var. demissa
2008 Keir Morse
2008 Keir Morse
2009 Barry Breckling

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

Pseudognaphalium microcephalum Pseudognaphalium microcephalum Pseudognaphalium microcephalum
2018 Diane Etchison
2014 Neal Kramer
2014 Neal Kramer

Pseudostellaria jamesiana    Sticky starwort,  Tuber starwort,  Tubered starwort
native
Perennial herb

CARYOPHYLLACEAE

Pseudostellaria jamesiana Pseudostellaria jamesiana Pseudostellaria jamesiana
2003 Michael Charters
2013 Debra L. Cook
2013 Debra L. Cook

Pseudotsuga menziesii var. menziesii    Douglas fir,  Douglas spruce,  False hemlock
native
Tree

PINACEAE

Pseudotsuga menziesii var. menziesii Pseudotsuga menziesii var. menziesii Pseudotsuga menziesii var. menziesii
2007 Neal Kramer
2011 Zoya Akulova
2014 Zoya Akulova

Psilocarphus tenellus var. tenellus    Slender woolly marbles,  Slender woollyheads
(currently Psilocarphus tenellus)
native
Annual herb

ASTERACEAE

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

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

DENNSTAEDTIACEAE

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

Pterospora andromedea    Pine drops,  Pine drops,  Woodland pinedrops
native
Perennial herb (parasitic)

ERICACEAE

Pterospora andromedea Pterospora andromedea Pterospora andromedea
2001 Jeff Abbas
2003 Dianne Fristrom
2014 Dee Warenycia

Pyrola picta    White veined shinleaf,  White veined wintergreen,  Whitevein shinleaf
native
Perennial herb

ERICACEAE

Pyrola picta Pyrola picta Pyrola picta
2008 Ron Wolf
2008 Aaron Schusteff
2011 Barry Rice

Pyrus communis    Common pear
non-native
Tree

ROSACEAE

Pyrus communis Pyrus communis Pyrus communis
2013 Jorg & Mimi Fleige
2005 Luigi Rignanese
Jules Strauss 2005 California Academy of Sciences

Quercus chrysolepis var. chrysolepis    Canyon live oak,  Canyon oak, maul oak, goldcup oak,  Gold cup live oak
(currently Quercus chrysolepis)
native
Tree

FAGACEAE

Quercus chrysolepis var. chrysolepis Quercus chrysolepis var. chrysolepis Quercus chrysolepis var. chrysolepis
2018 joaquin hale
2014 Zoya Akulova
2017 Aaron Sunshine

Quercus kelloggii    Black oak,  California black oak
native
Tree

FAGACEAE

Quercus kelloggii Quercus kelloggii Quercus kelloggii
2008 Keir Morse
2008 Timothy D. Ives
2018 Adam Chasey

Quercus vaccinifolia    Huckleberry oak
(currently Quercus vacciniifolia)
native
Shrub

FAGACEAE

Quercus vaccinifolia Quercus vaccinifolia Quercus vaccinifolia
2011 Jean Pawek
2010 Barry Breckling
2011 Wynn Anderson

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica Rafinesquia californica Rafinesquia californica
2004 James M. Andre
2004 Keir Morse
2004 Keir Morse

Raillardella scaposa    Green leaved raillardella,  Stem raillardella
native
Perennial herb

ASTERACEAE

Raillardella scaposa Raillardella scaposa
2009 Barry Breckling
2009 Barry Breckling

Ranunculus alismaefolius var. alismellus    Plantainleaf buttercup,  Slender buttercup,  Small water plantain buttercup
(currently Ranunculus alismifolius var. alismellus)
native
Perennial herb

RANUNCULACEAE

Ranunculus alismaefolius var. alismellus Ranunculus alismaefolius var. alismellus Ranunculus alismaefolius var. alismellus
2009 Keir Morse
2009 Keir Morse
2009 Keir Morse

Ranunculus flammula    Creeping buttercup,  Greater creeping spearwort,  Water buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus flammula Ranunculus flammula Ranunculus flammula
2009 Keir Morse
2014 Jean Pawek
2013 Robert Steers/NPS

Ranunculus occidentalis var. occidentalis    Western buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus occidentalis var. occidentalis Ranunculus occidentalis var. occidentalis Ranunculus occidentalis var. occidentalis
2015 Debra L. Cook
2013 James Gonsman
2015 Debra L. Cook

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Rhamnus rubra    Red buckthorn
(currently Frangula rubra)
native
Shrub

RHAMNACEAE

Rhamnus rubra Rhamnus rubra Rhamnus rubra
2009 Barry Breckling
2009 Keir Morse
2012 Aaron Arthur

Rhododendron occidentale    Western azalea
native
Tree, Shrub

ERICACEAE

Rhododendron occidentale Rhododendron occidentale Rhododendron occidentale
2009 Neal Kramer
2011 Jean Pawek
2018 Ken Hickman

Rhus trilobata var. quinata    Fragrant sumac
(currently Rhus aromatica)
native
Shrub

ANACARDIACEAE

Rhus trilobata var. quinata Rhus trilobata var. quinata Rhus trilobata var. quinata
2004 James M. Andre
2013 Wynn Anderson
2012 Dee Warenycia

Ribes cereum    Wax currant
native
Shrub

GROSSULARIACEAE

Ribes cereum Ribes cereum Ribes cereum
2005 Steve Matson
2005 Dr. Mark S. Brunell
2010 Lee Dittmann

Ribes nevadense    Mountain pink currant,  Sierra currant
native
Shrub

GROSSULARIACEAE

Ribes nevadense Ribes nevadense Ribes nevadense
2003 Steve Matson
2013 Neal Kramer
2002 George W. Hartwell

Ribes roezlii var. roezlii    Sierra gooseberry
native
Shrub

GROSSULARIACEAE

Ribes roezlii var. roezlii Ribes roezlii var. roezlii Ribes roezlii var. roezlii
2003 Christopher L. Christie
2016 John Doyen
2008 Steve Matson

Ribes viscosissimum    Sticky currant,  Sticky current,  Sticky flowering currant
native
Shrub

GROSSULARIACEAE

Ribes viscosissimum Ribes viscosissimum Ribes viscosissimum
2005 Norman Jensen
2007 Matt Below
2017 David popp

Robinia pseudoacacia    Black locust
invasive non-native
Tree

FABACEAE

Robinia pseudoacacia Robinia pseudoacacia Robinia pseudoacacia
2008 Keir Morse
2012 Orrin Winton
2016 Ron Vanderhoff

Rosa woodsii var. ultramontana    Interior rose
(currently Rosa woodsii ssp. ultramontana)
native
Shrub

ROSACEAE

Rosa woodsii var. ultramontana Rosa woodsii var. ultramontana Rosa woodsii var. ultramontana
2008 Thomas Stoughton
2004 Steve Matson
2008 Thomas Stoughton

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

ROSACEAE

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

Rubus laciniatus    Cut leaved blackberry,  Cutleaf blackberry
non-native
Shrub

ROSACEAE

Rubus laciniatus Rubus laciniatus Rubus laciniatus
2009 Barry Breckling
2017 Chris Friedel
2009 Zoya Akulova

Rubus leucodermis    Western raspberry,  White bark raspberry,  White stemmed raspberry
native
Shrub

ROSACEAE

Rubus leucodermis Rubus leucodermis Rubus leucodermis
2008 Zoya Akulova
2009 Zoya Akulova
2014 Zoya Akulova

Rubus parviflorus    Western thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus Rubus parviflorus Rubus parviflorus
2004 George W. Hartwell
2018 Abbot Chambers
2004 Robert Sivinski

Rudbeckia hirta    Blackeyed susan,  Bristly cone flower
native
Perennial herb

ASTERACEAE

Rudbeckia hirta Rudbeckia hirta Rudbeckia hirta
2005 Louis-M. Landry
2004 Nick Kurzenko
2007 Dr. Amadej Trnkoczy

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella Rumex acetosella Rumex acetosella
2007 Dr. Mark S. Brunell
2013 Margo Bors
2004 Carol W. Witham

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

POLYGONACEAE

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

Salix exigua    Narrow leaved willow,  Narrowleaf willow,  Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua Salix exigua Salix exigua
2008 Robert Sivinski
2016 Zoya Akulova
2008 Neal Kramer

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix lemmonii    Lemmon's willow
native
Shrub

SALICACEAE

Salix lemmonii Salix lemmonii Salix lemmonii
2014 Zoya Akulova
2016 Jean Pawek
2016 Jean Pawek

Salix lucida ssp. lasiandra    Pacific willow
(currently Salix lasiandra var. lasiandra)
native
Tree

SALICACEAE

Salix lucida ssp. lasiandra Salix lucida ssp. lasiandra Salix lucida ssp. lasiandra
2007 Neal Kramer
2015 Margo Bors
2014 Zoya Akulova

Salix melanopsis    Dusky willow
native
Tree, Shrub

SALICACEAE

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

Salix planifolia    Diamondleaf willow
native
Shrub

SALICACEAE

Salix planifolia Salix planifolia Salix planifolia
2008 Steve Matson
2006 Steve Tyron
2008 Steve Matson

Salix scouleriana    Nuttall willow,  Scouler willow,  Scouler's willow
native
Tree, Shrub

SALICACEAE

Salix scouleriana Salix scouleriana Salix scouleriana
2008 Joseph Dougherty, M.D./ecology.org
2010 Vernon Smith
2015 Trent M. Draper

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

ADOXACEAE

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

Saponaria officinalis    Bouncing bet,  Bouncingbet,  Soapwort
invasive non-native
Perennial herb

CARYOPHYLLACEAE

Saponaria officinalis Saponaria officinalis Saponaria officinalis
2016 Charles Russell
2005 Louis-M. Landry
2008 Keir Morse

Sarcodes sanguinea    Snow plant,  Snowplant
native
Perennial herb (mycoparasitic)

ERICACEAE

Sarcodes sanguinea Sarcodes sanguinea Sarcodes sanguinea
2001 Russell Towle
2018 Cynthia Griffin
2018 Chico Hiking Association

Saxifraga californica    Greene's saxifrage
(currently Micranthes californica)
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica Saxifraga californica Saxifraga californica
2002 Bart and Susan Eisenberg
2010 Robert Steers/NPS
2009 Keir Morse

Saxifraga odontoloma    Brook saxifrage
(currently Micranthes odontoloma)
native
Perennial herb

SAXIFRAGACEAE

Saxifraga odontoloma Saxifraga odontoloma Saxifraga odontoloma
2004 Steve Matson
2013 Jean Pawek
2013 Debra L. Cook

Scirpus microcarpus    Mountain bog bulrush,  Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus Scirpus microcarpus Scirpus microcarpus
2003 Steve Matson
2008 Matt Below
2014 Zoya Akulova

Scrophularia californica ssp. floribunda    California bee plant,  California figwort
(currently Scrophularia californica)
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. floribunda Scrophularia californica ssp. floribunda Scrophularia californica ssp. floribunda
2018 Saskia Raether
2003 Michael Charters
2018 Mary Conway

Sedum obtusatum    Sierra stonecrop
native
Perennial herb

CRASSULACEAE

Sedum obtusatum Sedum obtusatum Sedum obtusatum
2001 Jeff Abbas
2015 Jim Bearden
2012 Barry Rice

Sedum spathulifolium    Broadleaf stonecrop,  Pacific stonecrop,  Stone crop
native
Perennial herb

CRASSULACEAE

Sedum spathulifolium Sedum spathulifolium Sedum spathulifolium
2005 Steve Matson
2018 David popp
2005 Steve Matson

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

SELAGINELLACEAE

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

Senecio aronicoides    California butterweed,  California groundsel,  California rayless butterweed
native
Perennial herb

ASTERACEAE

Senecio aronicoides Senecio aronicoides Senecio aronicoides
2009 Keir Morse
2018 Ken Hickman
2008 Steve Matson

Senecio triangularis    Arrow leaved ragwort,  Arrowhead butterweed,  Arrowleaf ragwort
native
Perennial herb

ASTERACEAE

Senecio triangularis Senecio triangularis Senecio triangularis
2004 Steve Matson
2008 Chris Winchell
2004 Steve Matson

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

ASTERACEAE

Senecio vulgaris Senecio vulgaris Senecio vulgaris
2005 Steve Matson
2008 Neal Kramer
2010 Neal Kramer

Sequoia gigantea    Giant sequoia,  Sierra redwood, big tree
(currently Sequoiadendron giganteum)
native
Tree

CUPRESSACEAE

Sequoia gigantea Sequoia gigantea Sequoia gigantea
Nick Kurzenko
2017 Alison Sheehey
2003 Julie Kierstead Nelson

Sidalcea asprella    Harsh checker mallow
native
Perennial herb (rhizomatous)

MALVACEAE

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

Silene bridgesii    Bridges campion,  Bridges' campion,  Bridges' catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene bridgesii Silene bridgesii Silene bridgesii
2008 Ron Wolf
2009 Keir Morse
2009 Keir Morse

Silene lemmonii    Lemmon campion,  Lemmon's catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene lemmonii Silene lemmonii Silene lemmonii
2008 James B. Gratiot
2013 John Doyen
2015 John L. Thompson

Sisymbrium altissimum    Tall tumblemustard,  Tumble mustard,  Tumbling mustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium altissimum Sisymbrium altissimum Sisymbrium altissimum
2008 Thomas Stoughton
2010 Jean Pawek
2014 Debra L. Cook

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

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

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

SOLANACEAE

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

Solidago californica    California goldenrod,  Oreja de liebre
(currently Solidago velutina ssp. californica)
native
Perennial herb

ASTERACEAE

Solidago californica Solidago californica Solidago californica
2009 Neal Kramer
2017 Hilary Mills
2017 Hilary Mills

Solidago canadensis ssp. elongata    West coast canada goldenrod
(currently Solidago elongata)
native
Perennial herb

ASTERACEAE

Solidago canadensis ssp. elongata Solidago canadensis ssp. elongata Solidago canadensis ssp. elongata
2007 Michelle Cloud-Hughes
2009 Keir Morse
2009 Keir Morse

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

ASTERACEAE

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

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

ASTERACEAE

Sonchus oleraceus Sonchus oleraceus Sonchus oleraceus
2008 Gary McDonald
2004 Laura Ann Eliassen
2008 Gary McDonald

Sorbus scopulina    Greene's mountain ash
native
Shrub

ROSACEAE

Sorbus scopulina Sorbus scopulina Sorbus scopulina
2012 RT Hawke
2010 Keir Morse
2010 Keir Morse

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

CARYOPHYLLACEAE

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

Sphenosciadium capitellatum    Grayswamp whiteheads,  Ranger's button,  Swamp whiteheads
native
Perennial herb

APIACEAE

Sphenosciadium capitellatum Sphenosciadium capitellatum Sphenosciadium capitellatum
2011 Steven Thorsted
James Gonsman
2010 Barry Breckling

Spiraea densiflora    Rose meadowsweet
(currently Spiraea splendens)
native
Shrub

ROSACEAE

Spiraea densiflora Spiraea densiflora Spiraea densiflora
2010 Keir Morse
2012 Steven Perry
2012 Steven Perry

Stachys ajugoides var. rigida    Rigid hedge nettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida Stachys ajugoides var. rigida Stachys ajugoides var. rigida
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

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

LAMIACEAE

Stachys albens Stachys albens Stachys albens
2009 Keir Morse
2015 John Doyen
2009 Neal Kramer

Staphylea bolanderi    Bladdernut,  Sierra bladdernut
native
Tree, Shrub

STAPHYLEACEAE

Staphylea bolanderi Staphylea bolanderi Staphylea bolanderi
2006 Chet Blackburn
2010 Barry Breckling
2013 Debra L. Cook

Stellaria longipes var. longipes    Chickweed, starwort
(currently Stellaria longipes ssp. longipes)
native
Perennial herb

CARYOPHYLLACEAE

Stellaria longipes var. longipes Stellaria longipes var. longipes Stellaria longipes var. longipes
2001 Jeff Abbas
2014 John Doyen
2009 Keir Morse

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media Stellaria media Stellaria media
2018 Gary McDonald
2001 Jeff Abbas
2008 Steve Matson

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

CARYOPHYLLACEAE

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

Stephanomeria lactucina    Forest stephanomeria,  Large flowered stephanomeria,  Wirelettuce
native
Perennial herb

ASTERACEAE

Stephanomeria lactucina Stephanomeria lactucina Stephanomeria lactucina
2009 Keir Morse
2009 Keir Morse
2015 Debra L. Cook

Stephanomeria virgata ssp. pleurocarpa    Tall stephanomeria,  Wand stephanomeria,  Wand wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa Stephanomeria virgata ssp. pleurocarpa Stephanomeria virgata ssp. pleurocarpa
2018 Richard Spjut
2016 Richard Spjut
2011 Wynn Anderson

Streptanthus tortuosus    Jewelweed,  Mountain jewelflower,  Shieldplant
native
Annual, Perennial herb

BRASSICACEAE

Streptanthus tortuosus Streptanthus tortuosus Streptanthus tortuosus
2009 Keir Morse
2008 Chris Winchell
2008 Ron Wolf

Streptanthus tortuosus var. orbiculatus    Jewelweed,  Mountain jewelflower,  Shieldplant
(currently Streptanthus tortuosus)
native
Annual, Perennial herb

BRASSICACEAE

Streptanthus tortuosus var. orbiculatus Streptanthus tortuosus var. orbiculatus Streptanthus tortuosus var. orbiculatus
2009 Keir Morse
2008 Chris Winchell
2008 Ron Wolf

Swertia radiata    Monument plant
(currently Frasera speciosa)
native
Perennial herb

GENTIANACEAE

Swertia radiata Swertia radiata Swertia radiata
2009 Ron Wolf
2010 Lee Dittmann
2015 Zoya Akulova

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis Symphoricarpos mollis Symphoricarpos mollis
2003 Steve Matson
2018 Miao Ling He
2003 Michael Charters

Symphyotrichum foliaceum var. parryi    Parry's aster
native
Perennial herb

ASTERACEAE

Symphyotrichum foliaceum var. parryi Symphyotrichum foliaceum var. parryi Symphyotrichum foliaceum var. parryi
2004 Steve Matson
2012 Gary A. Monroe
2015 Barry Breckling

Symphyotrichum spathulatum var. spathulatum    Western mountain aster
native
Perennial herb

ASTERACEAE

Symphyotrichum spathulatum var. spathulatum Symphyotrichum spathulatum var. spathulatum Symphyotrichum spathulatum var. spathulatum
2011 Wynn Anderson
2013 Barry Rice
2004 George W. Hartwell

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
invasive non-native
Perennial herb

ASTERACEAE

Taraxacum officinale Taraxacum officinale Taraxacum officinale
2018 Chico Hiking Association
2015 Jesse Rorabaugh
2016 Lisa Reutenauer

Thalictrum fendleri    Fendler's meadow rue,  Meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri Thalictrum fendleri Thalictrum fendleri
2010 Aaron Schusteff
2009 John W. Wall
2003 Michael Charters

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

BRASSICACEAE

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

Torreya californica    California nutmeg,  California torreya
native
Tree

TAXACEAE

Torreya californica Torreya californica Torreya californica
2006 George W. Hartwell
2012 Belinda Lo
2018 Mary Conway

Torreyochloa pallida var. pauciflora    Mannagrass,  Pale false mannagrass,  Weak mannagrass
native
Perennial grass (rhizomatous)

POACEAE

Torreyochloa pallida var. pauciflora Torreyochloa pallida var. pauciflora Torreyochloa pallida var. pauciflora
2010 Robert Steers/NPS
2011 2011 Eric Wrubel/NPS
2014 Belinda Lo

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

Tragopogon dubius    Goat's beard,  Yellow salsify
invasive non-native
Perennial herb

ASTERACEAE

Tragopogon dubius Tragopogon dubius Tragopogon dubius
2018 Chico Hiking Association
2010 Lee Dittmann
2006 Louis-M. Landry

Trichostema oblongum    Mountain bluecurls,  Oblong bluecurls
native
Annual herb

LAMIACEAE

Trichostema oblongum Trichostema oblongum Trichostema oblongum
2010 Barry Breckling
2015 John Doyen
2003 Christopher L. Christie

Trifolium breweri    Brewer's clover,  Forest clover
native
Perennial herb

FABACEAE

Trifolium breweri Trifolium breweri Trifolium breweri
2009 Neal Kramer
2013 Debra L. Cook
2009 Neal Kramer

Trifolium dubium    Shamrock clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium Trifolium dubium Trifolium dubium
2008 Jorg Fleige
2004 Carol W. Witham
2015 Barry Breckling

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

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

Trifolium longipes    Long stalked clover,  Longstalk clover,  Summer clover
native
Perennial herb

FABACEAE

Trifolium longipes Trifolium longipes Trifolium longipes
2015 John Doyen
2010 Keir Morse
2013 Jean Pawek

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

FABACEAE

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

Trifolium monanthum var. monanthum    Carpet clover
(currently Trifolium monanthum ssp. monanthum)
native
Perennial herb

FABACEAE

Trifolium monanthum var. monanthum Trifolium monanthum var. monanthum Trifolium monanthum var. monanthum
2007 Steve Matson
2003 Steve Matson
2014 Robert Sikora

Trifolium repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens Trifolium repens Trifolium repens
2017 Gary McDonald
2017 Gary McDonald
2007 Dr. Amadej Trnkoczy

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Trifolium wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii Trifolium wormskioldii Trifolium wormskioldii
2009 Dr. Mark S. Brunell
2009 Dr. Mark S. Brunell
2015 James Gonsman

Trisetum projectum   
native
Perennial grass

POACEAE

Trisetum projectum Trisetum projectum Trisetum projectum
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson

Triteleia ixioides ssp. anilina    Mountain pretty face,  Prettyface
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. anilina Triteleia ixioides ssp. anilina Triteleia ixioides ssp. anilina
2004 Penn Martin II
2003 Steve Matson
2014 John Doyen

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

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

Turritis glabra var. glabra    Tower rockcress
(currently Turritis glabra)
native
Perennial herb

BRASSICACEAE

Turritis glabra var. glabra Turritis glabra var. glabra Turritis glabra var. glabra
2009 Thomas Stoughton
2012 Zoya Akulova
2009 Thomas Stoughton

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

TYPHACEAE

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

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica Umbellularia californica Umbellularia californica
2003 Michael Charters
2018 Michelle Tollett
2018 David popp

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

Urtica urens    Annual stinging nettle,  Dwarf nettle
non-native
Annual herb

URTICACEAE

Urtica urens Urtica urens Urtica urens
2008 Gary McDonald
2008 Zoya Akulova
2015 Belinda Lo

Vaccinium occidentale    Blueberry
(currently Vaccinium uliginosum)
native
Shrub

ERICACEAE

Vaccinium occidentale Vaccinium occidentale Vaccinium occidentale
2010 Keir Morse
2010 Keir Morse
2008 Zoya Akulova

Valeriana californica    California valerian
native
Perennial herb

VALERIANACEAE

Valeriana californica Valeriana californica Valeriana californica
2011 Steven Perry
2004 Steve Matson
2011 Steven Perry

Veratrum californicum    California false hellebore
native
Perennial herb

MELANTHIACEAE

Veratrum californicum Veratrum californicum Veratrum californicum
2009 Keir Morse
2009 Julie Kierstead Nelson
2009 Keir Morse

Verbascum thapsus    Common mullein,  Woolly mullein
invasive non-native
Perennial herb

SCROPHULARIACEAE

Verbascum thapsus Verbascum thapsus Verbascum thapsus
2008 Keir Morse
2008 Mary Winter
2009 Neal Kramer

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

VERBENACEAE

Verbena lasiostachys var. lasiostachys Verbena lasiostachys var. lasiostachys Verbena lasiostachys var. lasiostachys
2008 Keir Morse
2010 Steve Matson
2008 Keir Morse

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

PLANTAGINACEAE

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

Veronica arvensis    Corn speedwell,  Speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica arvensis Veronica arvensis Veronica arvensis
2011 Barry Breckling
2017 Barbara Boethling
2017 Barbara Boethling

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

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis Veronica peregrina ssp. xalapensis Veronica peregrina ssp. xalapensis
2013 Debra L. Cook
2008 Keir Morse
2003 George W. Hartwell

Veronica scutellata    Marsh speedwell,  Skullcap speedwell
native
Perennial herb

PLANTAGINACEAE

Veronica scutellata Veronica scutellata Veronica scutellata
2013 Vernon Smith
2009 Keir Morse
2009 Keir Morse

Vicia americana var. americana    American vetch
(currently Vicia americana ssp. americana)
native
Perennial herb, Vine

FABACEAE

Vicia americana var. americana Vicia americana var. americana Vicia americana var. americana
2008 Neal Kramer
2008 Steve Matson
2009 Barry Breckling

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major Vinca major Vinca major
2018 Ron Vanderhoff
2007 Luigi Rignanese
2004 Dr. Amadej Trnkoczy

Viola adunca var. adunca    Blue violet,  Western dog violet
(currently Viola adunca ssp. adunca)
native
Perennial herb

VIOLACEAE

Viola adunca var. adunca Viola adunca var. adunca Viola adunca var. adunca
2013 Robert Sikora
2017 Alison Sheehey
2015 Margo Bors

Viola arvensis    European field pansy
non-native
Annual herb

VIOLACEAE

Viola arvensis Viola arvensis Viola arvensis
2005 Louis-M. Landry
2016 Judy and Barry Breckling
2016 Judy and Barry Breckling

Viola glabella    Pioneer violet,  Stream violet
native
Perennial herb

VIOLACEAE

Viola glabella Viola glabella Viola glabella
2006 Steve Matson
2003 Christopher L. Christie
2001 Lindsay Herrera

Viola macloskeyi var. macloskeyi    Macloskey's violet,  Small white violet
(currently Viola macloskeyi)
native
Perennial herb

VIOLACEAE

Viola macloskeyi var. macloskeyi Viola macloskeyi var. macloskeyi Viola macloskeyi var. macloskeyi
2015 Debra L. Cook
2015 Debra L. Cook
2017 Adam Chasey

Viola pinetorum    Goosefoot yellow violet,  Pine violet
native
Perennial herb

VIOLACEAE

Viola pinetorum Viola pinetorum Viola pinetorum
2015 John Doyen
2017 Alison Sheehey
2003 Christopher L. Christie

Viola purpurea ssp. purpurea    Goosefoot violet
native
Perennial herb

VIOLACEAE

Viola purpurea ssp. purpurea Viola purpurea ssp. purpurea Viola purpurea ssp. purpurea
2012 Gary A. Monroe
2010 Barry Breckling
2012 Gary A. Monroe

Viola sheltonii    Shelton's violet
native
Perennial herb

VIOLACEAE

Viola sheltonii Viola sheltonii Viola sheltonii
2010 Ron Wolf
2018 Chico Hiking Association
2012 Steven Perry

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata Woodwardia fimbriata Woodwardia fimbriata
2009 John W. Wall
2013 Zoya Akulova
2003 Keir Morse

Wyethia angustifolia    California compassplant,  Narrow leaf mule ears,  Narrow leaved mule ears
native
Perennial herb

ASTERACEAE

Wyethia angustifolia Wyethia angustifolia Wyethia angustifolia
2018 Saskia Raether
2004 Carol W. Witham
2015 Barry Breckling

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

Yabea microcarpa Yabea microcarpa Yabea microcarpa
2008 Keir Morse
2008 Keir Morse
2011 Teague Embrey

Zigadenus venenosus var. venenosus    Meadow deathcamas
(currently Toxicoscordion venenosum var. venenosum)
native
Perennial herb

MELANTHIACEAE

Zigadenus venenosus var. venenosus Zigadenus venenosus var. venenosus Zigadenus venenosus var. venenosus
2015 Debra L. Cook
2015 John Schmidt
2016 John Doyen