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
native
Tree

PINACEAE

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

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

PINACEAE

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

Acer circinatum    Vine maple
native
Tree, Shrub

SAPINDACEAE

Acer circinatum
2007 Shawn DeCew
Acer circinatum
2012 Julie Kierstead Nelson
Acer circinatum
2018 Kyle Johnson

Acer glabrum    Rocky mountain maple
native
Tree, Shrub

SAPINDACEAE

Acer glabrum
2018 Matt Berger
Acer glabrum
2018 David popp
Acer glabrum
2009 Matt Below

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2019 Ron Vanderhoff
Acer macrophyllum
2018 Ron Vanderhoff
Acer macrophyllum
2018 Julie Kierstead Nelson

Acer saccharinum    Silver maple
non-native
Tree

SAPINDACEAE

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

native
Perennial herb

ASTERACEAE

Achillea millefolium var. lanulosa
2017 Diane Etchison
Achillea millefolium var. lanulosa
2018 Gary McDonald
Achillea millefolium var. lanulosa
2019 Margot Cunningham

Achnatherum lemmonii var. lemmonii    Lemmon's needle grass
native
Perennial grass

POACEAE

Achnatherum lemmonii var. lemmonii
2008 Steve Matson
Achnatherum lemmonii var. lemmonii
2008 Keir Morse
Achnatherum lemmonii var. lemmonii
2008 Keir Morse

Achnatherum occidentale ssp. occidentale    Western needle grass
native
Perennial grass

POACEAE

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

Achnatherum occidentale ssp. pubescens    Common western needle grass
native
Perennial grass

POACEAE


Aconitum columbianum    Columbian monkshood,  Monkshood
native
Perennial herb

RANUNCULACEAE

Aconitum columbianum
2018 Chico Hiking Association
Aconitum columbianum
2018 Chico Hiking Association
Aconitum columbianum
2019 Cynthia Powell

Aconogonon phytolaccifolium    Pokeweed knotweed
native
Perennial herb

POLYGONACEAE

Aconogonon phytolaccifolium
2019 Chico Hiking Association
Aconogonon phytolaccifolium
2008 Sangeet Khalsa
Aconogonon phytolaccifolium
2019 David popp

Actaea rubra    Red baneberry,  Western baneberry
native
Perennial herb

RANUNCULACEAE

Actaea rubra
2017 Adam Chasey
Actaea rubra
2004 Jeff Abbas
Actaea rubra
2018 Brian Charles

Adenocaulon bicolor    American trailplant,  Trail plant
native
Perennial herb

ASTERACEAE

Adenocaulon bicolor
2008 Keir Morse
Adenocaulon bicolor
2014 John Doyen
Adenocaulon bicolor
2018 Julie Kierstead Nelson

Adiantum aleuticum    Five finger fern,  Five finger maidenhair
native
Fern

PTERIDACEAE

Adiantum aleuticum
2008 Rodney W. Lacey
Adiantum aleuticum
2018 Neal Kramer
Adiantum aleuticum
2019 Matt Berger

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

SAPINDACEAE

Aesculus californica
2006 Christopher L. Christie
Aesculus californica
2018 Joseph Belli
Aesculus californica
2014 Christopher Bronny

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

LAMIACEAE

Agastache urticifolia
2019 Richard Spjut
Agastache urticifolia
2015 Debra L. Cook
Agastache urticifolia
2003 Michael Charters

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

ASTERACEAE

Agoseris retrorsa
2009 Keir Morse
Agoseris retrorsa
2009 Keir Morse
Agoseris retrorsa
2019 Ron Vanderhoff

Agrostis capillaris    Colonial bentgrass
non-native
Perennial grass

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

ALISMATACEAE

Alisma plantago-aquatica
2019 Gena Bentall
Alisma plantago-aquatica
2007 Neal Kramer
Alisma plantago-aquatica
2016 Cynthia Powell

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

ALLIACEAE

Allium campanulatum
2019 Bruce Homer-Smith
Allium campanulatum
2003 Steve Matson
Allium campanulatum
2018 Diane Etchison

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

POLEMONIACEAE

Allophyllum gilioides ssp. Gilioides
2019 Matt Berger
Allophyllum gilioides ssp. Gilioides
2009 Keir Morse
Allophyllum gilioides ssp. Gilioides
2019 Matt Berger

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

POLEMONIACEAE

Allophyllum integrifolium
2016 Leigh Johnson
Allophyllum integrifolium
2003 Michael Charters
Allophyllum integrifolium
2014 John Doyen

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

ERICACEAE

Allotropa virgata
2006 Steve Matson
Allotropa virgata
2019 Matt Berger
Allotropa virgata
2018 Wendy Smit

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia
2014 Garth Wadsworth
Alnus rhombifolia
2014 Zoya Akulova
Alnus rhombifolia
2018 David popp

Amaranthus   


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

ROSACEAE

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

Amelanchier pallida    Pale serviceberry,  Pallid serviceberry,  Sarvis
native
Shrub

ROSACEAE

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

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

BORAGINACEAE

Amsinckia menziesii var. menziesii
2019 Ron Vanderhoff
Amsinckia menziesii var. menziesii
2018 Gary McDonald
Amsinckia menziesii var. menziesii
2012 Neal Kramer

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
2018 Rachelle Gray
Anaphalis margaritacea
2014 James Gonsman
Anaphalis margaritacea
2014 James Gonsman

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

ASTERACEAE

Antennaria argentea
2019 Chico Hiking Association
Antennaria argentea
2019 Chico Hiking Association
Antennaria argentea
2014 John Doyen

Antennaria rosea ssp. confinis    Rosy pussytoes
native
Perennial herb

ASTERACEAE

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

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

APIACEAE

Anthriscus caucalis
2017 Diane Etchison
Anthriscus caucalis
2003 Michael Charters
Anthriscus caucalis
2006 Chris Wagner, SBNF

Apocynum androsaemifolium    Bitter dogbane,  Spreading dogbane
native
Perennial herb

APOCYNACEAE

Apocynum androsaemifolium
2017 Adam Chasey
Apocynum androsaemifolium
2004 Steve Matson
Apocynum androsaemifolium
2014 James Gonsman

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
2019 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff

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

RANUNCULACEAE

Aquilegia formosa var. truncata
2016 Ron Vanderhoff
Aquilegia formosa var. truncata
2019 Mary Gerbic
Aquilegia formosa var. truncata
2013 James Gonsman

Arabis arcuata    Arching rockcress
native
Perennial herb

BRASSICACEAE

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

Arabis davidsonii    Davidson's rockcress
native
Perennial herb

BRASSICACEAE

Arabis davidsonii
2018 Dana York
Arabis davidsonii
2018 Dana York

Arabis repanda    Yosemite rockcress
native
Perennial herb

BRASSICACEAE

Arabis repanda
2014 Dana York
Arabis repanda
2010 Barry Breckling
Arabis repanda
2008 Michael Charters

Arctostaphylos nevadensis    Pine mat manzanita,  Pinemat manzanita
native
Shrub

ERICACEAE

Arctostaphylos nevadensis
2010 Keir Morse
Arctostaphylos nevadensis
2006 Michael W. Tuma
Arctostaphylos nevadensis
2019 Chico Hiking Association

Arctostaphylos patula    Green leaf manzanita,  Greenleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos patula
2009 Keir Morse
Arctostaphylos patula
2017 Elysa DuCharme
Arctostaphylos patula
2009 Lee Dittmann

Arctostaphylos viscida ssp. mariposa    Mariposa manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. mariposa
2009 Barry Breckling
Arctostaphylos viscida ssp. mariposa
2008 Chris Winchell
Arctostaphylos viscida ssp. mariposa
2019 Cynthia Powell

Arnica cordifolia    Heart leaved arnica,  Heartleaf arnica
native
Perennial herb

ASTERACEAE

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

Arnica discoidea    Rayless arnica
native
Perennial herb

ASTERACEAE

Arnica discoidea
2018 Eliezer Margolis
Arnica discoidea
2018 Stacie Wolny
Arnica discoidea
2009 Barry Breckling

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

ASTERACEAE

Arnica mollis
2007 Neal Kramer
Arnica mollis
2003 Steve Matson
Arnica mollis
2010 Keir Morse

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

ASTERACEAE

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

Artemisia ludoviciana ssp. Incompta    Mountain mugwort,  Western mugwort,  White sagebrush
native
Perennial herb

ASTERACEAE

Artemisia ludoviciana ssp. Incompta
2005 Michelle Cloud-Hughes
Artemisia ludoviciana ssp. Incompta
2011 Barry Breckling
Artemisia ludoviciana ssp. Incompta
2009 James M. Andre

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

ASTERACEAE

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

Arum italicum    Italian lords and ladies
non-native
Perennial herb

ARACEAE

Arum italicum
2019 Joerg Lohse
Arum italicum
2015 Dr. Amadej Trnkoczy
Arum italicum
2019 Joerg Lohse

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

ARISTOLOCHIACEAE

Asarum hartwegii
2011 Barry Rice
Asarum hartwegii
2008 Neal Kramer
Asarum hartwegii
2018 Julie Kierstead Nelson

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

ARISTOLOCHIACEAE

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

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

APOCYNACEAE

Asclepias cordifolia
2018 Leah Gardner
Asclepias cordifolia
2019 Chico Hiking Association
Asclepias cordifolia
2006 Steve Matson

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

APOCYNACEAE

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

Asclepias speciosa    Showy milkweed
native
Perennial herb

APOCYNACEAE

Asclepias speciosa
2015 Jay Chamberlain
Asclepias speciosa
2019 Rebecca Schoenenberger
Asclepias speciosa
2018 Julie Kierstead Nelson

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

PTERIDACEAE

Aspidotis densa
2012 Gary A. Monroe
Aspidotis densa
2005 Russell Towle
Aspidotis densa
2019 Matt Berger

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

FABACEAE

Astragalus bolanderi
2015 Ron Wolf
Astragalus bolanderi
1995 Saint Mary's College of California
Astragalus bolanderi
2011 Steven Perry

Athyrium filix-femina var. californicum    Common lady fern,  Subarctic lady fern,  Western lady fern
native
Fern

WOODSIACEAE

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

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

BRASSICACEAE

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

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

POACEAE

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

Barbarea orthoceras var. orthoceras   


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

BRASSICACEAE

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

Bistorta bistortoides    American bistort
native
Perennial herb

POLYGONACEAE

Bistorta bistortoides
2018 Julie Kierstead Nelson
Bistorta bistortoides
2013 Robert Sikora
Bistorta bistortoides
2017 Asa B Spade

Boechera arcuata    Arching rockcress
native
Perennial herb

BRASSICACEAE

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

Boechera davidsonii    Davidson's rockcress
native
Perennial herb

BRASSICACEAE

Boechera davidsonii
2018 Dana York
Boechera davidsonii
2018 Dana York

Boechera pendulocarpa    Dropseed rockcress
native
Perennial herb

BRASSICACEAE

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

Boechera platysperma    Pioneer rockcress
native
Perennial herb

BRASSICACEAE

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

Boechera repanda var. repanda   


Boechera sparsiflora var. sparsiflora   


Bolandra californica    California bolandra,  Sierra bolandra
native
Perennial herb

SAXIFRAGACEAE

Bolandra californica
2019 Matt Berger
Bolandra californica
2019 Matt Berger
Bolandra californica
2019 Matt Berger

Botrychium multifidum    Leather grape-fern
Botrychium multifidum
2002 Tony Morosco
Botrychium multifidum
2002 Tony Morosco
Botrychium multifidum
2014 Barry Rice

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

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2005 James M. Andre

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

POACEAE

Bromus carinatus var. carinatus
2016 Richard Chasey
Bromus carinatus var. carinatus
2013 Jean Pawek
Bromus carinatus var. carinatus
2003 James B. Gratiot

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

POACEAE

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

Bromus grandis    Tall brome
native
Perennial grass

POACEAE

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

invasive non-native
Annual grass

POACEAE

Bromus hordeaceus ssp. hordeaceus
2006 Brent Miller
Bromus hordeaceus ssp. hordeaceus
2004 Carol W. Witham

Bromus inermis ssp. inermis    Smooth brome
non-native
Perennial grass

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

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

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

CYPERACEAE

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

Calamagrostis canadensis    Bluejoint reedgrass,  Canada reedgrass
native
Perennial grass

POACEAE

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

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

CUPRESSACEAE

Calocedrus decurrens
2013 Zoya Akulova
Calocedrus decurrens
2018 Julie Kierstead Nelson
Calocedrus decurrens
2018 Richard Spjut

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

LILIACEAE

Calochortus leichtlinii
2018 John L. Thompson
Calochortus leichtlinii
2018 Chico Hiking Association
Calochortus leichtlinii
2018 Chico Hiking Association

Calochortus monophyllus    Yellow star tulip
native
Perennial herb

LILIACEAE

Calochortus monophyllus
2018 Leah Gardner
Calochortus monophyllus
2019 Chico Hiking Association
Calochortus monophyllus
2017 Adam Chasey

Calycanthus occidentalis    Spicebush,  Sweet shrub
native
Shrub

CALYCANTHACEAE

Calycanthus occidentalis
2006 Matt Below
Calycanthus occidentalis
2019 Sue Graue
Calycanthus occidentalis
2019 Robert Nance

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

CONVOLVULACEAE

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

Camassia quamash    Camas,  Common camas
native
Perennial herb

AGAVACEAE

Camassia quamash
1996 Christopher L. Christie
Camassia quamash
Corsi 2013 California Academy of Sciences
Camassia quamash
2018 Emily Allen

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

ONAGRACEAE

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

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

BRASSICACEAE

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

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

BRASSICACEAE

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

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

BRASSICACEAE

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

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

CYPERACEAE

Carex amplifolia
2011 Steve Matson
Carex amplifolia
2008 Neal Kramer
Carex amplifolia
2019 Matt Berger

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

CYPERACEAE

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

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

CYPERACEAE

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

Carex bolanderi    Bolander's sedge
native
Perennial grasslike herb

CYPERACEAE

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

Carex buxbaumii    Buxbaum's sedge
native
Perennial grasslike herb

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

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

Carex jonesii    Jones' sedge
native
Perennial grasslike herb

CYPERACEAE

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

Carex lemmonii    Lemmon's sedge
native
Perennial grasslike herb

CYPERACEAE

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

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

CYPERACEAE

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

Carex mariposana    Mariposa sedge
native
Perennial grasslike herb

CYPERACEAE

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

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

CYPERACEAE

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

Carex nebrascensis    Nebraska sedge
native
Perennial grasslike herb

CYPERACEAE

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

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

CYPERACEAE

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

Carex pellita    Woolly sedge
native
Perennial grasslike herb

CYPERACEAE

Carex pellita
2017 Neal Kramer
Carex pellita
2013 Robert Steers/NPS
Carex pellita
2006 Dean Wm. Taylor, Ph.D.

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

CYPERACEAE

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

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

CYPERACEAE

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

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

CYPERACEAE

Carex senta
2019 Rachelle Gray
Carex senta
2019 Rachelle Gray
Carex senta
2019 Rachelle Gray

Carex specifica    Narrow fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex specifica
2003 Steve Matson
Carex specifica
2003 Steve Matson

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

CYPERACEAE

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

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

CYPERACEAE

Carex utriculata
2014 Jim Moore
Carex utriculata
2018 Matt Berger
Carex utriculata
2009 Steve Matson

Carex vesicaria var. vesicaria    Blister sedge
native
Perennial grasslike herb

CYPERACEAE

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

Carex whitneyi    Whitney's sedge
native
Perennial grasslike herb

CYPERACEAE

Carex whitneyi
2014 Steve Matson
Carex whitneyi
2014 Steve Matson
Carex whitneyi
2019 Matt Berger

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

OROBANCHACEAE

Castilleja affinis ssp. affinis
2017 James Gonsman
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff
Castilleja affinis ssp. affinis
2006 Steve Matson

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja miniata var. miniata   


Ceanothus cordulatus    Mountain whitethorn,  Snow bush
native
Shrub

RHAMNACEAE

Ceanothus cordulatus
2003 Steve Matson
Ceanothus cordulatus
2019 Chico Hiking Association
Ceanothus cordulatus
2018 Julie Kierstead Nelson

native
Shrub

RHAMNACEAE

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

Ceanothus fresnensis    Fresno ceanothus,  Fresno mat
native
Shrub

RHAMNACEAE

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

Ceanothus integerrimus    Deer brush,  Deerbrush
native
Shrub

RHAMNACEAE

Ceanothus integerrimus
2019 Ron Vanderhoff
Ceanothus integerrimus
2019 Diane Etchison
Ceanothus integerrimus
2018 Karen Scheuermann

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

CARYOPHYLLACEAE

Cerastium glomeratum
2019 Diane Etchison
Cerastium glomeratum
2015 Chris Jaster
Cerastium glomeratum
2009 Barry Breckling

Cercis occidentalis    Redbud,  Western redbud
native
Tree, Shrub

FABACEAE

Cercis occidentalis
2018 Anna Wolfe
Cercis occidentalis
2018 Anna Wolfe
Cercis occidentalis
2009 Gary A. Monroe

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

ROSACEAE

Cercocarpus betuloides
2018 Diane Etchison
Cercocarpus betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides
2007 Neal Kramer

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

ROSACEAE

Chamaebatia foliolosa
2019 Diane Etchison
Chamaebatia foliolosa
2009 Neal Kramer
Chamaebatia foliolosa
2019 Diane Etchison

native
Annual, Perennial herb

EUPHORBIACEAE

Chamaesyce serpyllifolia ssp. serpyllifolia
2005 Steve Matson
Chamaesyce serpyllifolia ssp. serpyllifolia
2013 Neal Kramer
Chamaesyce serpyllifolia ssp. serpyllifolia
2016 Neal Kramer

Chamerion angustifolium    Fireweed
native
Perennial herb

ONAGRACEAE

Chamerion angustifolium
2018 Chico Hiking Association
Chamerion angustifolium
2010 Louis-M. Landry
Chamerion angustifolium
2014 Bill Thiessen

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

Chamomilla suaveolens
2019 Diane Etchison
Chamomilla suaveolens
2019 Chico Hiking Association
Chamomilla suaveolens
2008 Thomas Stoughton

Cheilanthes gracillima    Lace lip fern
native
Fern

PTERIDACEAE

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

Cheilanthes intertexta    Coastal lip fern
native
Fern

PTERIDACEAE

Cheilanthes intertexta
2018 Adam Chasey
Cheilanthes intertexta
2012 Jake Ruygt

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

CHENOPODIACEAE

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

Chrysolepis sempervirens    Bush chinquapin,  Sierra chinquapin
native
Shrub

FAGACEAE

Chrysolepis sempervirens
2000 Gary A. Monroe
Chrysolepis sempervirens
2016 Diane Etchison
Chrysolepis sempervirens
2011 Wynn Anderson

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

ONAGRACEAE

Circaea alpina ssp. pacifica
2013 Debra L. Cook
Circaea alpina ssp. pacifica
2008 Keir Morse
Circaea alpina ssp. pacifica
2018 Julie Kierstead Nelson

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

ASTERACEAE

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

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2005 Christopher L. Christie
Cirsium vulgare
2016 Erik Larsen
Cirsium vulgare
2019 Gustavo Vasquez

Cistanthe umbellata var. umbellata    Cistanthe,  Pussy paws,  Pussy toes
native
Annual, Perennial herb

MONTIACEAE

Cistanthe umbellata var. umbellata
2019 Industrious Walkers of the World
Cistanthe umbellata var. umbellata
2018 Jay Chamberlain
Cistanthe umbellata var. umbellata
2019 Anna Sereno

Clarkia dudleyana    Dudley's clarkia
native
Annual herb

ONAGRACEAE

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

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

ONAGRACEAE

Clarkia rhomboidea
2019 Steve Laymon
Clarkia rhomboidea
2011 Orrin Winton
Clarkia rhomboidea
2019 Michael Mitchell

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

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2015 Larry Cooperman
Clarkia unguiculata
2019 Bryant Baker

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

MONTIACEAE

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

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

MONTIACEAE

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

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

MONTIACEAE

Claytonia rubra ssp. rubra
2004 Steve Matson
Claytonia rubra ssp. rubra
2019 Ken Hickman
Claytonia rubra ssp. rubra
2018 Chico Hiking Association

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

PLANTAGINACEAE

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

Collinsia tinctoria    Sticky chinese houses,  Tincture plant
native
Annual herb

PLANTAGINACEAE

Collinsia tinctoria
2005 Christopher L. Christie
Collinsia tinctoria
2019 Chico Hiking Association
Collinsia tinctoria
2018 Matt Berger

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

PLANTAGINACEAE

Collinsia torreyi var. torreyi
2019 Matt Berger
Collinsia torreyi var. torreyi
2019 Matt Berger
Collinsia torreyi var. torreyi
2015 Neal Kramer

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

POLEMONIACEAE

Collomia grandiflora
2015 Karen Swift
Collomia grandiflora
2017 John Game
Collomia grandiflora
2019 Diane Etchison

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

POLEMONIACEAE

Collomia linearis
2003 Steve Matson
Collomia linearis
2017 David popp
Collomia linearis
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
2008 Steve Matson
Comandra umbellata ssp. californica
2015 Barry Breckling
Comandra umbellata ssp. californica
2019 Chico Hiking Association

Conyza canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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

ORCHIDACEAE

Corallorhiza maculata
2010 Dee E. Warenycia
Corallorhiza maculata
2019 Cynthia Powell
Corallorhiza maculata
2019 Talila Golan

Corallorhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorhiza striata
2019 Timothy Boomer
Corallorhiza striata
2018 Timothy Boomer
Corallorhiza striata
2005 Dianne Fristrom

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

native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia var. brevicula
2019 Bonnie Nickel
Corethrogyne filaginifolia var. brevicula
2018 Ron Vanderhoff
Corethrogyne filaginifolia var. brevicula
2019 stephen rosenthal

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

CORNACEAE

Cornus nuttallii
2018 Matt Berger
Cornus nuttallii
2018 Chico Hiking Association
Cornus nuttallii
2019 Janith Johnson

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

CORNACEAE

Cornus sericea ssp. sericea
2012 Julie Kierstead Nelson
Cornus sericea ssp. sericea
2006 Richard Spjut
Cornus sericea ssp. sericea
2019 Chico Hiking Association

Corylus cornuta    Beaked hazelnut
native
Shrub

BETULACEAE

Corylus cornuta
2017 John Game
Corylus cornuta
2018 MCOSD EDRR
Corylus cornuta
2019 Belinda Lo

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

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

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

CONVOLVULACEAE

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

Cymopterus terebinthinus    Turpentine cymopterus
native
Perennial herb

APIACEAE

Cymopterus terebinthinus
2009 Keir Morse
Cymopterus terebinthinus
2005 Steve Matson
Cymopterus terebinthinus
2019 Julie Kierstead Nelson

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

POACEAE

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

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

POACEAE

Cynosurus echinatus
2009 Barry Rice
Cynosurus echinatus
2007 Neal Kramer
Cynosurus echinatus
2019 Gary McDonald

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

CYPERACEAE

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

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

WOODSIACEAE

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

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

POACEAE

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

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
2002 Bart and Susan Eisenberg
Danthonia californica
2018 Miao Ling He
Danthonia californica
2019 MCOSD Restoration Crew

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

SOLANACEAE

Datura wrightii
2019 Robin Street-Morris
Datura wrightii
2018 Japhia Huhndorf
Datura wrightii
2019 Ron Vanderhoff

Delphinium gracilentum    Meadow larkspur,  Pine forest larkspur
native
Perennial herb

RANUNCULACEAE

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

Delphinium patens    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

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

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

POACEAE

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

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

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

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

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

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

BRASSICACEAE

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

non-native
Annual, Biennial herb

CARYOPHYLLACEAE

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

Dianthus barbatus    Sweetwilliam
non-native
Perennial herb

CARYOPHYLLACEAE

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

Dicentra formosa ssp. formosa    Pacific bleeding heart
native
Perennial herb

PAPAVERACEAE

Dicentra formosa ssp. formosa
2019 Timothy Boomer
Dicentra formosa ssp. formosa
2019 Julie Kierstead Nelson
Dicentra formosa ssp. formosa
2019 Julie Kierstead Nelson

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

PAPAVERACEAE

Dicentra pauciflora
2019 Timothy Boomer
Dicentra pauciflora
2019 Timothy Boomer
Dicentra pauciflora
2019 Timothy Boomer

native
Perennial grass

POACEAE

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

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

THEMIDACEAE

Dichelostemma multiflorum
2019 David popp
Dichelostemma multiflorum
2019 David popp
Dichelostemma multiflorum
2019 Julie Kierstead Nelson

Digitalis purpurea    Purple foxglove
invasive non-native
Perennial herb

PLANTAGINACEAE

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

Dodecatheon jeffreyi ssp. jeffreyi    Sierra shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon jeffreyi ssp. jeffreyi
2001 Jeff Abbas
Dodecatheon jeffreyi ssp. jeffreyi
2006 Matt Below
Dodecatheon jeffreyi ssp. jeffreyi
2017 Alison Sheehey

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

BRASSICACEAE

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

Draperia systyla    Draperia,  Violet draperia
native
Perennial herb

BORAGINACEAE

Draperia systyla
2009 Keir Morse
Draperia systyla
2018 Matt Berger
Draperia systyla
2013 Debra L. Cook

Drymocallis glandulosa var. reflexa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

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

Drymocallis hansenii    Yosemite woodbeauty
native
Perennial herb

ROSACEAE

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

Drymocallis lactea var. lactea    Sierran woodbeauty
native
Perennial herb

ROSACEAE

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

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

DRYOPTERIDACEAE

Dryopteris arguta
2004 Brent Miller
Dryopteris arguta
2012 Michael Perlmutter
Dryopteris arguta
2007 Neal Kramer

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

CRASSULACEAE

Dudleya cymosa ssp. cymosa
2006 George W. Hartwell
Dudleya cymosa ssp. cymosa
2015 James Gonsman
Dudleya cymosa ssp. cymosa
2019 Chico Hiking Association

Dysphania botrys    Jerusalem oak goosefoot
non-native
Annual herb

CHENOPODIACEAE

Dysphania botrys
2008 John Dittes
Dysphania botrys
1998 Larry Blakely
Dysphania botrys
2008 John Dittes

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

CYPERACEAE

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

Eleocharis bolanderi    Bolander's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis bolanderi
2003 Steve Matson
Eleocharis bolanderi
2003 Steve Matson

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

CYPERACEAE

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

Elymus elymoides ssp. californicus    Squirrel tail grass
native
Perennial grass

POACEAE

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

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

POACEAE

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

Epilobium anagallidifolium    Alpine willowherb,  Pimpernel willowherb
native
Perennial herb

ONAGRACEAE

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

Epilobium angustifolium    Fireweed
native
Perennial herb

ONAGRACEAE

Epilobium angustifolium
2018 Chico Hiking Association
Epilobium angustifolium
2010 Louis-M. Landry
Epilobium angustifolium
2014 Bill Thiessen

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

ONAGRACEAE

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

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

ONAGRACEAE

Epilobium canum ssp. latifolium
2015 Gerald Carr
Epilobium canum ssp. latifolium
2015 Debra L. Cook
Epilobium canum ssp. latifolium
2014 James Gonsman

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

ONAGRACEAE

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

Epilobium halleanum    Hall's willowherb
native
Perennial herb

ONAGRACEAE

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

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

ONAGRACEAE

Epilobium minutum
2009 Keir Morse
Epilobium minutum
2019 Julian Geoghegan
Epilobium minutum
2015 Chris Jaster

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

ORCHIDACEAE

Epipactis gigantea
2018 Ron Vanderhoff
Epipactis gigantea
2019 Ron Vanderhoff
Epipactis gigantea
2005 Aaron Schusteff

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

EQUISETACEAE

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

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

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

Equisetum Xferrissii    Ferris' horsetail
native
Fern

EQUISETACEAE

Equisetum Xferrissii
2018 Gerald Carr
Equisetum Xferrissii
2018 Gerald Carr
Equisetum Xferrissii
2018 Gerald Carr

Eremocarpus setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus
2018 Rachelle Gray
Eremocarpus setigerus
2019 Robin Street-Morris
Eremocarpus setigerus
2014 Richard Chasey

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Hayley Ross
Ericameria arborescens
2015 Debra L. Cook

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

ASTERACEAE

Ericameria cuneata var. cuneata
2009 James M. Andre
Ericameria cuneata var. cuneata
1998 Larry Blakely
Ericameria cuneata var. cuneata
2009 Aaron Schusteff

Ericameria nauseosa ssp. speciosa   


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

ASTERACEAE

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

Erigeron elmeri    Elmer's erigeron
native
Perennial herb

ASTERACEAE

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

Erigeron glacialis var. glacialis    Wandering fleabane
native
Perennial herb

ASTERACEAE

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

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon californicum
2011 John W. Wall
Eriodictyon californicum
2009 Gary A. Monroe
Eriodictyon californicum
2018 Chico Hiking Association

Eriogonum nudum    Naked buckwheat,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum
2019 Susan McDougall
Eriogonum nudum
2007 Michelle Cloud-Hughes
Eriogonum nudum
2004 Heath McAllister

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

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

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

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
2019 Mary Conway
Eriophyllum confertiflorum var. confertiflorum
2019 Mary Conway

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

ASTERACEAE

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

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

ASTERACEAE

Eriophyllum lanatum var. integrifolium
2005 Steve Matson
Eriophyllum lanatum var. integrifolium
2017 Adam Chasey
Eriophyllum lanatum var. integrifolium
2017 Adam Chasey

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

GERANIACEAE

Erodium cicutarium
2016 Keir Morse
Erodium cicutarium
2019 Diane Etchison
Erodium cicutarium
2019 Richard Spjut

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

ASTERACEAE

Euthamia occidentalis
2012 Ron Vanderhoff
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2008 Jennifer Buck

Fallopia convolvulus    Black bindweed
non-native
Annual herb

POLYGONACEAE

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

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

POACEAE

Festuca idahoensis
2008 Keir Morse
Festuca idahoensis
2013 Robert Steers/NPS
Festuca idahoensis
2008 Keir Morse

Festuca occidentalis    Western fescue
native
Perennial grass

POACEAE

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

Festuca pratensis    Meadow fescue
non-native
Perennial grass

POACEAE

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

Festuca rubra ssp. fallax   


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

ROSACEAE

Fragaria virginiana ssp. platypetala
2009 Barry Breckling
Fragaria virginiana ssp. platypetala
2017 Rebecca Schoenenberger
Fragaria virginiana ssp. platypetala
2005 George Rembert

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

RUBIACEAE

Galium aparine
2008 Gary McDonald
Galium aparine
2004 Carol W. Witham
Galium aparine
2002 Lynn Watson

Galium bifolium    Low mountain bedstraw,  Twinleaf bedstraw
native
Annual herb

RUBIACEAE

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

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

RUBIACEAE

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

Galium boreale ssp. septentrionale    Northern bedstraw
native
Perennial herb

RUBIACEAE

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

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

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

Galium porrigens var. tenue    Graceful bedstraw
native
Vine, Shrub

RUBIACEAE

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

Galium trifidum var. pacificum    Threepetal bedstraw
native
Perennial herb

RUBIACEAE

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

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

RUBIACEAE

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

Garrya fremontii    Bearbrush,  Fremont's silk tassel
native
Shrub

GARRYACEAE

Garrya fremontii
2011 Barry Breckling
Garrya fremontii
2011 Barry Breckling
Garrya fremontii
2011 Vivian Parker

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

ONAGRACEAE

Gayophytum diffusum ssp. parviflorum
2019 Chico Hiking Association
Gayophytum diffusum ssp. parviflorum
2009 Barry Breckling
Gayophytum diffusum ssp. parviflorum
2013 Robert Sikora

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

ONAGRACEAE

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

Geranium californicum    California cranesbill,  California geranium
native
Perennial herb

GERANIACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

Geranium robertianum
2014 James Gonsman
Geranium robertianum
2013 Al Keuter
Geranium robertianum
2013 Robert Steers/NPS

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

ROSACEAE

Geum macrophyllum
2015 Debra L. Cook
Geum macrophyllum
2014 David popp
Geum macrophyllum
2010 Keir Morse

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

POLEMONIACEAE

Gilia capitata ssp. mediomontana
2009 Barry Breckling
Gilia capitata ssp. mediomontana
2009 Barry Breckling
Gilia capitata ssp. mediomontana
2018 John Doyen

Gilia leptalea ssp. bicolor    Bridges' gilia
native
Annual herb

POLEMONIACEAE

Gilia leptalea ssp. bicolor
2009 Keir Morse
Gilia leptalea ssp. bicolor
2019 R.A. Chasey
Gilia leptalea ssp. bicolor
2019 Cynthia Powell

Glyceria borealis    Northern mannagrass,  Small floating mannagrass
native
Perennial grass

POACEAE

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

Glyceria elata    Fowl mannagrass,  Tall mannagrass
native
Perennial grass

POACEAE

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

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

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

Goodyera oblongifolia    Rattlesnake plantain,  Western rattlesnake plantain
native
Perennial herb

ORCHIDACEAE

Goodyera oblongifolia
2006 Louis-M. Landry
Goodyera oblongifolia
2008 Steve Matson
Goodyera oblongifolia
2017 Chris Friedel

Hackelia floribunda    Many flowered stickseed,  Manyflower stickseed
native
Perennial herb

BORAGINACEAE

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

Hackelia mundula    Pink stickseed
native
Perennial herb

BORAGINACEAE

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

Hedera helix    English ivy
invasive non-native
Vine, Shrub

ARALIACEAE

Hedera helix
2019 Claire Mallen
Hedera helix
1985 Joe DiTomaso
Hedera helix
2009 Phil Pullen

Helenium bigelovii    Bigelow's sneezeweed,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium bigelovii
2019 Bryant Baker
Helenium bigelovii
2016 Julie Kierstead Nelson
Helenium bigelovii
2014 James Gonsman

Helianthus californicus    California sunflower
native
Perennial herb

ASTERACEAE

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

Heracleum lanatum    Common cowparsnip
native
Perennial herb

APIACEAE

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

non-native
Annual herb

CARYOPHYLLACEAE

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

non-native
Annual herb

CARYOPHYLLACEAE

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

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

CAMPANULACEAE

Heterocodon rariflorum
2014 Steve Ashcraft
Heterocodon rariflorum
2017 Ken Hickman
Heterocodon rariflorum
2016 Hunter Breck

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

SAXIFRAGACEAE

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

native
Perennial herb

SAXIFRAGACEAE

Heuchera rubescens var. alpicola
2016 mark kircher
Heuchera rubescens var. alpicola
2014 James Gonsman
Heuchera rubescens var. alpicola
2019 Cynthia Powell

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
2008 Keir Morse
Hieracium albiflorum
2003 Steve Matson
Hieracium albiflorum
2018 MCOSD EDRR

Hieracium horridum    Prickly hawkweed,  Shaggy hawkweed
native
Perennial herb

ASTERACEAE

Hieracium horridum
2005 Steve Matson
Hieracium horridum
2019 Charles Gibbons
Hieracium horridum
2003 Dianne Fristrom

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

POACEAE

Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley
Holcus lanatus
2019 Bill Haley

native
Perennial grass

POACEAE

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

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

POACEAE

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

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

ROSACEAE

Horkelia fusca
2019 Matt Berger
Horkelia fusca
2019 Susan McDougall
Horkelia fusca
2013 Debra L. Cook

Hulsea brevifolia    Short leaved hulsea,  Shortleaf alpinegold
native
Perennial herb

ASTERACEAE

Hulsea brevifolia
2009 Keir Morse
Hulsea brevifolia
2008 Chris Winchell

Hypericum calycinum    Aaron's beard
non-native
Shrub

HYPERICACEAE

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

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

HYPERICACEAE

Hypericum formosum var. scouleri
2008 Keir Morse
Hypericum formosum var. scouleri
2014 Neal Kramer
Hypericum formosum var. scouleri
2018 Julie Kierstead Nelson

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

HYPERICACEAE

Hypericum perforatum
2005 Louis-M. Landry
Hypericum perforatum
2008 Keir Morse
Hypericum perforatum
2018 mark kircher

Ipomopsis bridgesii    Bridge's gilia,  Scarlet gilia
native
Perennial herb

POLEMONIACEAE

Ipomopsis bridgesii
2009 Keir Morse
Ipomopsis bridgesii
2011 Wynn Anderson

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

IRIDACEAE

Iris hartwegii ssp. hartwegii
1990 Arthur H. Bazell, M.D.
Iris hartwegii ssp. hartwegii
2012 Neal Kramer
Iris hartwegii ssp. hartwegii
2017 Robert Barnard

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

IRIDACEAE

Iris missouriensis
2003 Michael Charters
Iris missouriensis
2000 Gary A. Monroe
Iris missouriensis
2019 Detto Kennedy

Juglans hindsii    Northern california black walnut
native
Tree

JUGLANDACEAE

Juglans hindsii
2009 Neal Kramer
Juglans hindsii
2019 David popp
Juglans hindsii
2018 Ron Vanderhoff

Juncus balticus var. mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus var. mexicanus
2003 Brent Miller
Juncus balticus var. mexicanus
2004 Steve Matson
Juncus balticus var. mexicanus
2014 Aaron Arthur

native
Annual grasslike herb

JUNCACEAE

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

Juncus confusus    Colorado rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus dubius    Dubius rush,  Mariposa rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juncus exiguus    Klamath or weak rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

Juncus longistylis
2004 Steve Matson
Juncus longistylis
2004 Steve Matson

Juncus nevadensis    Sierra rush
native
Perennial grasslike herb

JUNCACEAE

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

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

JUNCACEAE

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

Juncus oxymeris    Pointed rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus parryi    Parry's rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus tenuis    Poverty rush,  Slender rush
native
Perennial grasslike herb

JUNCACEAE

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

Keckiella breviflora var. glabrisepala    Hairless gaping keckiella
native
Shrub

PLANTAGINACEAE

Keckiella breviflora var. glabrisepala
2009 Ron Wolf
Keckiella breviflora var. glabrisepala
2010 Barry Breckling
Keckiella breviflora var. glabrisepala
2018 Adam Chasey

Kelloggia galioides    Milk kelloggia
native
Perennial herb

RUBIACEAE

Kelloggia galioides
2003 Steve Matson
Kelloggia galioides
2009 Thomas Stoughton
Kelloggia galioides
2019 Susan McDougall

Kumlienia hystricula    Waterfall false buttercup
native
Perennial herb

RANUNCULACEAE

Kumlienia hystricula
2009 Barry Breckling
Kumlienia hystricula
2019 Matt Berger
Kumlienia hystricula
2019 Matt Berger

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

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2014 Neal Kramer
Lactuca serriola
2006 Jennifer Naegele

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

FABACEAE

Lathyrus latifolius
2019 Julie Kierstead Nelson
Lathyrus latifolius
2008 Keir Morse
Lathyrus latifolius
2005 Dr. Amadej Trnkoczy

Lathyrus nevadensis    Sierra pea
native
Perennial herb

FABACEAE

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

Lathyrus sulphureus var. sulphereus   


Lepidium densiflorum    Common pepper grass,  Common pepperweed
native
Annual herb

BRASSICACEAE

Lepidium densiflorum
2019 Susan McDougall
Lepidium densiflorum
2014 Robert Sikora
Lepidium densiflorum
2013 John Doyen

Lepidium virginicum var. pubescens    Robinson's pepper grass
native
Annual herb

BRASSICACEAE

Lepidium virginicum var. pubescens
2018 Al Keuter
Lepidium virginicum var. pubescens
2018 Al Keuter
Lepidium virginicum var. pubescens
2018 Al Keuter

Leptodactylon pungens ssp. pulchriflorum    Granite prickly phlox
native
Shrub

POLEMONIACEAE

Leptodactylon pungens ssp. pulchriflorum
1998 Larry Blakely
Leptodactylon pungens ssp. pulchriflorum
2019 Susan McDougall
Leptodactylon pungens ssp. pulchriflorum
2015 James Gonsman

Leptosiphon ciliatus    Whiskerbrush
native
Annual herb

POLEMONIACEAE

Leptosiphon ciliatus
2016 Jim Moore
Leptosiphon ciliatus
2016 Jim Moore
Leptosiphon ciliatus
2018 Glenn Fine

Lessingia leptoclada    Sierra lessingia
native
Annual herb

ASTERACEAE

Lessingia leptoclada
2008 Ron Wolf
Lessingia leptoclada
2019 R.A. Chasey
Lessingia leptoclada
2008 Ron Wolf

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

ASTERACEAE

Leucanthemum vulgare
2005 Lisa Powers
Leucanthemum vulgare
Nick Kurzenko
Leucanthemum vulgare
2019 Julian Geoghegan

Leucothoe davisiae    Sierra laurel
native
Shrub

ERICACEAE

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

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

MONTIACEAE

Lewisia triphylla
2019 Matt Berger
Lewisia triphylla
2016 John Doyen
Lewisia triphylla
2010 Keir Morse

Leymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Leymus triticoides
2018 Rachelle Gray
Leymus triticoides
2018 Rachelle Gray
Leymus triticoides
2018 Ron Vanderhoff

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

APIACEAE

Ligusticum grayi
2019 Julie Kierstead Nelson
Ligusticum grayi
2015 Debra L. Cook
Ligusticum grayi
2006 Steve Matson

Lilium parvum    Alpine lily,  Sierra tiger lily
native
Perennial herb

LILIACEAE

Lilium parvum
2019 Timothy Boomer
Lilium parvum
2019 Cynthia Powell
Lilium parvum
2019 Cynthia Powell

Lilium washingtonianum    Washington lily
native
Perennial herb

LILIACEAE

Lilium washingtonianum
2019 Anna Sereno
Lilium washingtonianum
2019 Anna Sereno
Lilium washingtonianum
2019 Matt Berger

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

ORCHIDACEAE

Listera convallarioides
2009 Barry Rice
Listera convallarioides
2008 Aaron Schusteff
Listera convallarioides
2015 Barry Rice

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

SAXIFRAGACEAE

Lithophragma bolanderi
2019 Ramona Robison
Lithophragma bolanderi
2019 David popp
Lithophragma bolanderi
2009 Neal Kramer

Lolium perenne    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

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

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

APIACEAE

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

Lonicera interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera interrupta
2008 Chris Winchell
Lonicera interrupta
2019 Jay Chamberlain
Lonicera interrupta
2019 Chico Hiking Association

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

CAPRIFOLIACEAE

Lonicera involucrata
2010 Aaron Arthur
Lonicera involucrata
2018 Cynthia Powell
Lonicera involucrata
2019 Randy Huey

Lotus argophyllus var. fremontii    Fremont's silver lotus
native
Perennial herb

FABACEAE

Lotus argophyllus var. fremontii
2011 Steven Perry
Lotus argophyllus var. fremontii
2017 John Doyen
Lotus argophyllus var. fremontii
2011 Steven Perry

Lotus crassifolius    Broad leaved lotus
native
Perennial herb

FABACEAE

Lotus crassifolius
2013 Debra L. Cook
Lotus crassifolius
2015 Steve Matson
Lotus crassifolius
2018 Aaron Echols

Lotus nevadensis var. nevadensis    Sierra nevada lotus
native
Perennial herb

FABACEAE

Lotus nevadensis var. nevadensis
2015 Debra L. Cook
Lotus nevadensis var. nevadensis
2015 Keir Morse
Lotus nevadensis var. nevadensis
2015 Debra L. Cook

Lotus oblongifolius var. oblongifolius    Narrow leaved lotus
native
Perennial herb

FABACEAE

Lotus oblongifolius var. oblongifolius
2012 Neal Kramer
Lotus oblongifolius var. oblongifolius
2014 David popp
Lotus oblongifolius var. oblongifolius
2019 David popp

Lotus pinnatus    Pinnate lotus
native
Perennial herb

FABACEAE

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

Lotus purshianus var. purshianus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
2019 Ron Vanderhoff
Lotus purshianus var. purshianus
2019 Matt Berger
Lotus purshianus var. purshianus
2019 Matt Berger

Lotus strigosus var. strigosus    Strigose lotus
native
Annual herb

FABACEAE

Lotus strigosus var. strigosus
2019 Gary McDonald
Lotus strigosus var. strigosus
2019 Diane Etchison
Lotus strigosus var. strigosus
2019 Gary McDonald

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

FABACEAE

Lupinus albifrons var. collinus
2009 Barry Breckling
Lupinus albifrons var. collinus
2013 Neal Kramer
Lupinus albifrons var. collinus
2016 Steve Matson

Lupinus arbustus    Long spurred lupine,  Longspur lupine
native
Perennial herb

FABACEAE

Lupinus arbustus
2019 Susan McDougall
Lupinus arbustus
2014 John Doyen
Lupinus arbustus
2012 Gary A. Monroe

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

FABACEAE

Lupinus bicolor
2004 Carol W. Witham
Lupinus bicolor
2014 Neal Kramer
Lupinus bicolor
2012 Gary A. Monroe

Lupinus breweri    Brewer's lupine
native
Perennial herb

FABACEAE

Lupinus breweri
2019 Manzanita Dictionary
Lupinus breweri
2019 Manzanita Dictionary
Lupinus breweri
2019 Manzanita Dictionary

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

FABACEAE

Lupinus grayi
2006 Steve Matson
Lupinus grayi
2006 Steve Matson
Lupinus grayi
2018 Adam Chasey

Lupinus latifolius ssp. longipes    Broad leaved lupine,  Columbia lupine
native
Perennial herb

FABACEAE

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

Lupinus lepidus var. confertus    Clustered tidy lupine
native
Perennial herb

FABACEAE

Lupinus lepidus var. confertus
2013 Debra L. Cook
Lupinus lepidus var. confertus
1995 Saint Mary's College of California
Lupinus lepidus var. confertus
2019 Susan McDougall

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

FABACEAE

Lupinus lepidus var. sellulus
2014 Julie Kierstead Nelson
Lupinus lepidus var. sellulus
2017 Steve Matson
Lupinus lepidus var. sellulus
2013 Robert Sikora

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

FABACEAE

Lupinus polyphyllus
2004 Nick Kurzenko
Lupinus polyphyllus
1995 Saint Mary's College of California
Lupinus polyphyllus
2014 Jean Pawek

Lupinus stiversii    Harlequin annual lupine,  Harlequin lupine
native
Annual herb

FABACEAE

Lupinus stiversii
2007 Neal Kramer
Lupinus stiversii
2018 Bill Schmidt
Lupinus stiversii
2018 Adam Chasey

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

JUNCACEAE

Luzula comosa
2019 Matt Berger
Luzula comosa
2012 Alan Castner
Luzula comosa
2003 Steve Matson

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

JUNCACEAE

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

Lychnis coronaria    Rose campion
non-native
Perennial herb

CARYOPHYLLACEAE

Lychnis coronaria
2013 Debra L. Cook
Lychnis coronaria
2012 Debra L. Cook
Lychnis coronaria
2009 Barry Breckling

Madia elegans ssp. elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans ssp. elegans
2017 Michelle Bosch
Madia elegans ssp. elegans
2018 Amy Rapport
Madia elegans ssp. elegans
2018 Julian Geoghegan

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

ASTERACEAE

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

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

ASTERACEAE

Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Diane Etchison
Madia gracilis
2019 Julie Kierstead Nelson

Madia minima    Opposite leaved tarweed
native
Annual herb

ASTERACEAE

Madia minima
2005 Steve Matson
Madia minima
2008 Steve Matson
Madia minima
2015 Neal Kramer

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

RUSCACEAE

Maianthemum racemosum var. amplexicaule
2015 Stephen Rosenthal
Maianthemum racemosum var. amplexicaule
2019 Matt Berger
Maianthemum racemosum var. amplexicaule
2019 Stacie Wolny

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

ASTERACEAE

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

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

ASTERACEAE

Malacothrix floccifera
2018 Stacie Wolny
Malacothrix floccifera
2018 Stacie Wolny
Malacothrix floccifera
2018 Ken Hickman

Melica aristata    Awned melic,  Bearded melicgrass
native
Perennial grass

POACEAE

Melica aristata
2011 Steve Matson
Melica aristata
2017 Belinda Lo
Melica aristata
2017 Belinda Lo

Melica californica var. californica    California melicgrass
native
Perennial grass

POACEAE


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

POACEAE

Melica imperfecta
2009 Keir Morse
Melica imperfecta
2014 Steve Matson
Melica imperfecta
2019 Bonnie Nickel

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

POACEAE

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

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

LAMIACEAE

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

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

BORAGINACEAE

Mertensia ciliata
2019 Matt Berger
Mertensia ciliata
2019 Matt Berger
Mertensia ciliata
2009 Keir Morse

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

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

Mimetanthe pilosa    Snouted monkey flower
native
Annual herb

PHRYMACEAE

Mimetanthe pilosa
2019 Ron Vanderhoff
Mimetanthe pilosa
2009 Ron Vanderhoff
Mimetanthe pilosa
2019 Ron Vanderhoff

Mimulus cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Mimulus cardinalis
2019 Ron Vanderhoff
Mimulus cardinalis
2019 Diane Etchison
Mimulus cardinalis
2017 Aaron Echols

Mimulus floribundus    Many flowered monkey flower
native
Annual herb

PHRYMACEAE

Mimulus floribundus
2018 John Doyen
Mimulus floribundus
2017 Ron Vanderhoff
Mimulus floribundus
2017 Ron Vanderhoff

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

PHRYMACEAE

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

Mimulus laciniatus    cut-leaved monkeyflower
native
Annual herb

PHRYMACEAE

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

Mimulus layneae    Layne's monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus layneae
2019 Julie Kierstead Nelson
Mimulus layneae
2007 Neal Kramer
Mimulus layneae
2018 Julie Kierstead Nelson

Mimulus leptaleus    Least flowered monkey flower
native
Annual herb

PHRYMACEAE

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

Mimulus lewisii    Lewis' monkey flower
native
Perennial herb

PHRYMACEAE

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

Mimulus moschatus    Musk monkeyflower
native
Perennial herb

PHRYMACEAE

Mimulus moschatus
2009 Keir Morse
Mimulus moschatus
2017 Diane Etchison
Mimulus moschatus
2019 Matt Berger

Mimulus primuloides    Primrose monkeyflower
native
Perennial herb

PHRYMACEAE

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

Mimulus suksdorfii    Suksdorf's monkeyflower
native
Annual herb

PHRYMACEAE

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

Mimulus tilingii    Larger mountain monkeyflower
native
Perennial herb

PHRYMACEAE

Mimulus tilingii
2005 Dr. Mark S. Brunell
Mimulus tilingii
2012 James M. Andre
Mimulus tilingii
2013 James Gonsman

Mimulus torreyi    Torrey's monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus torreyi
2016 Jim Moore
Mimulus torreyi
2018 Cheryl Ballantyne
Mimulus torreyi
2016 Jim Moore

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

CARYOPHYLLACEAE

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

Mitella breweri    Brewer's miterwort
native
Perennial herb

SAXIFRAGACEAE

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

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

LAMIACEAE

Monardella lanceolata
2019 Diane Etchison
Monardella lanceolata
2019 Ron Vanderhoff
Monardella lanceolata
2003 Christopher L. Christie

Monardella odoratissima    Desert mint,  Mountain monardella
native
Perennial herb

LAMIACEAE

Monardella odoratissima
2004 Steve Matson
Monardella odoratissima
2014 Sierra Pacific Industries
Monardella odoratissima
2018 Karen Scheuermann

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

MONTIACEAE

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

Montia parvifolia    Littleleaf minerslettuce,  Showy rock montia
native
Perennial herb

MONTIACEAE

Montia parvifolia
2008 Keir Morse
Montia parvifolia
2008 Keir Morse
Montia parvifolia
2018 Adam Chasey

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

POACEAE

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

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

POACEAE

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

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

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

non-native
Perennial herb (bulb)

AMARYLLIDACEAE

Narcissus pseudonarcissus
2018 Abbot Chambers
Narcissus pseudonarcissus
2019 Colleen Herr
Narcissus pseudonarcissus
2007 Ram Vasudev

Navarretia divaricata    Divaricate navarretia,  Mountain navarretia
native
Annual herb

POLEMONIACEAE

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

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

BORAGINACEAE

Nemophila heterophylla
2019 Matt Berger
Nemophila heterophylla
2019 Matt Berger
Nemophila heterophylla
2019 Chico Hiking Association

Nemophila maculata    Five spot,  Fivespot
native
Annual herb

BORAGINACEAE

Nemophila maculata
2019 Jean B Henney
Nemophila maculata
2008 Dee Warenycia
Nemophila maculata
2009 Barry Breckling

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

NYMPHAEACEAE

Nuphar polysepala
2019 Julie Kierstead Nelson
Nuphar polysepala
2019 Julie Kierstead Nelson
Nuphar polysepala
2018 Chico Hiking Association

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

ONAGRACEAE

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

Osmorhiza berteroi    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza berteroi
2019 Chico Hiking Association
Osmorhiza berteroi
2006 Steve Matson
Osmorhiza berteroi
2013 Chris Wagner

Osmorhiza brachypoda    California sweet cicely,  California sweetcicely
native
Perennial herb

APIACEAE

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

Oxypolis occidentalis    Western cow bane,  Western cowbane
native
Perennial herb

APIACEAE

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

Panicum capillare ssp. capillare    Old witch grass,  Witchgrass
native
Annual grass

POACEAE

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

Parthenocissus vitacea    Woodbine
non-native
Vine, Shrub

VITACEAE

Parthenocissus vitacea
2016 Ron Vanderhoff
Parthenocissus vitacea
2014 Jean Pawek
Parthenocissus vitacea
Sherry Ballard 2004 California Academy of Sciences

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

OROBANCHACEAE

Pedicularis semibarbata
2017 Diane Etchison
Pedicularis semibarbata
2019 Chico Hiking Association
Pedicularis semibarbata
2019 Diane Etchison

Pellaea andromedifolia var. andromedifolia   


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

PTERIDACEAE

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

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

PTERIDACEAE

Pellaea mucronata var. mucronata
2018 Rachelle Gray
Pellaea mucronata var. mucronata
2005 James M. Andre
Pellaea mucronata var. mucronata
2008 Keir Morse

native
Perennial herb

PLANTAGINACEAE

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

Penstemon heterophyllus var. purdy   


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

PLANTAGINACEAE

Penstemon newberryi var. newberryi
2019 Susan McDougall
Penstemon newberryi var. newberryi
2019 Susan McDougall
Penstemon newberryi var. newberryi
2019 Susan McDougall

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

PLANTAGINACEAE

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

native
Fern

PTERIDACEAE

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

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

APIACEAE

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

Perideridia howellii    Howell's yampah
native
Perennial herb

APIACEAE

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

Persicaria hydropiper    Common smartweed
non-native
Annual herb

POLYGONACEAE

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

Persicaria lapathifolia    Common knotweed
native
Annual herb

POLYGONACEAE

Persicaria lapathifolia
2018 Ron Vanderhoff
Persicaria lapathifolia
2016 Barbara Boethling
Persicaria lapathifolia
2018 Ron Vanderhoff

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

BORAGINACEAE

Phacelia egena
2009 Irene Lindsey
Phacelia egena
2014 Julie Kierstead Nelson
Phacelia egena
2019 Ramona Robison

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

BORAGINACEAE

Phacelia hastata
2019 Matt Berger
Phacelia hastata
2018 Mary Conway
Phacelia hastata
2013 James Gonsman

Phacelia heterophylla ssp. virgata    Varied leaf phacelia
native
Perennial herb

BORAGINACEAE

Phacelia heterophylla ssp. virgata
2006 Steve Matson
Phacelia heterophylla ssp. virgata
2009 Barry Breckling
Phacelia heterophylla ssp. virgata
2019 Susan McDougall

Phacelia hydrophylloides    Water leaf phacelia,  Waterleaf phacelia
native
Perennial herb

BORAGINACEAE

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

Phacelia purpusii    Purpus' phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia quickii    Quick's phacelia
native
Annual herb

BORAGINACEAE

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

Phacelia ramosissima var. ramosissima    Branching phacelia
native
Perennial herb

BORAGINACEAE

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

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

HYDRANGEACEAE

Philadelphus lewisii ssp. lewisii
2003 Christopher L. Christie
Philadelphus lewisii ssp. lewisii
2008 Keir Morse
Philadelphus lewisii ssp. lewisii
2018 Chico Hiking Association

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

POACEAE

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

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

POACEAE

Phleum pratense
2019 Julie Kierstead Nelson
Phleum pratense
2005 Louis-M. Landry
Phleum pratense
2008 Keir Morse

Phlox diffusa    Spreading phlox
native
Perennial herb

POLEMONIACEAE

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

Phoradendron libocedri    Juniper mistletoe
native
Shrub (parasitic)

VISCACEAE

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

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum
2019 Ron Vanderhoff
Phoradendron villosum
2008 Neal Kramer

Pinus attenuata    Knobcone pine,  Scrub pine
native
Tree

PINACEAE

Pinus attenuata
2008 Keir Morse
Pinus attenuata
2018 Hayley Ross
Pinus attenuata
2009 Ron Vanderhoff

Pinus contorta var. murrayana    Lodgepole pine,  Tamarack
native
Tree

PINACEAE

Pinus contorta var. murrayana
2009 Neal Kramer
Pinus contorta var. murrayana
2015 California Academy of Sciences
Pinus contorta var. murrayana
2010 Keir Morse

Pinus jeffreyi    Jeffrey pine
native
Tree

PINACEAE

Pinus jeffreyi
2009 Ryan Gilmore
Pinus jeffreyi
2009 Neal Kramer
Pinus jeffreyi
2018 David popp

Pinus lambertiana    Sugar pine
native
Tree

PINACEAE

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

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

PINACEAE

Pinus monticola
2007 Dr. Mark S. Brunell
Pinus monticola
Corsi 2014 California Academy of Sciences
Pinus monticola
2019 Jay Chamberlain

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

PINACEAE

Pinus ponderosa
2010 Keir Morse
Pinus ponderosa
2008 George W. Hartwell
Pinus ponderosa
2018 Cynthia Powell

Piperia colemanii    Coleman's piperia
native
Perennial herb

ORCHIDACEAE

Piperia colemanii
2012 Keir Morse
Piperia colemanii
2019 Matt Berger
Piperia colemanii
2019 Matt Berger

Piperia transversa    Mountain piperia,  Royal rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia transversa
2015 jamie smith
Piperia transversa
2019 Jonathan Lee
Piperia transversa
2018 Ken Hickman

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

ORCHIDACEAE

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

Plagiobothrys hispidulus    Harsh allocarya,  Harsh popcorn flower
native
Annual herb

BORAGINACEAE

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

Plagiobothrys stipitatus    Stalked popcornflower,  Vernal pool allocarya
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

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

PLANTAGINACEAE

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

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

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

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

ORCHIDACEAE

Platanthera sparsiflora
2009 Justin M. Wood
Platanthera sparsiflora
2018 Julie Kierstead Nelson
Platanthera sparsiflora
2008 Keir Morse

Pleuricospora fimbriolata    Fringed pinesap
native
Perennial herb (mycoparasitic)

ERICACEAE

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

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

POACEAE

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

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

POACEAE

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

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

POACEAE

Poa bulbosa
2008 Keir Morse
Poa bulbosa
2011 Barry Breckling
Poa bulbosa
2019 Angelique Herman

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

POACEAE

Poa pratensis ssp. pratensis
2008 Keir Morse (Poa pratensis)
Poa pratensis ssp. pratensis
2008 Keir Morse (Poa pratensis)
Poa pratensis ssp. 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
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo
Poa secunda ssp. secunda
2019 Belinda Lo

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

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

POLYGONACEAE


Polygonum douglasii ssp. douglasii    Douglas' knotweed
native
Annual herb

POLYGONACEAE

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

Polygonum kelloggii    Kellogg's knotweed
native
Annual herb

POLYGONACEAE

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

Polygonum parryi    Parry's knotweed
native
Annual herb

POLYGONACEAE

Polygonum parryi
2019 Belinda Lo
Polygonum parryi
1998 Dean Wm. Taylor
Polygonum parryi
2018 Jake Ruygt

Polygonum sawatchense    Knotweed
native
Annual herb

POLYGONACEAE

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

Polypodium hesperium    Western polypody
native
Fern

POLYPODIACEAE

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

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

DRYOPTERIDACEAE

Polystichum imbricans ssp. imbricans
2018 David popp
Polystichum imbricans ssp. imbricans
2014 Ron Vanderhoff
Polystichum imbricans ssp. imbricans
2016 Ron Vanderhoff

Populus balsamifera ssp. trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa
2012 Zoya Akulova
Populus balsamifera ssp. trichocarpa
2014 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
2013 Jean Pawek

Populus tremuloides    Quaking aspen
native
Tree

SALICACEAE

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

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

POTAMOGETONACEAE

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

Potentilla gracilis var. fastigiata    Slender cinquefoil
native
Perennial herb

ROSACEAE

Potentilla gracilis var. fastigiata
2016 John Doyen
Potentilla gracilis var. fastigiata
2012 Steve Matson
Potentilla gracilis var. fastigiata
2019 Julie Kierstead Nelson

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri
2016 Ray Gill
Prosartes hookeri
2018 Stacie Wolny
Prosartes hookeri
2018 Ken Lunders

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

LAMIACEAE

Prunella vulgaris
2019 Ken Lunders
Prunella vulgaris
2012 Jason Matthias Mills
Prunella vulgaris
2017 Ron Vanderhoff

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

ROSACEAE

Prunus virginiana var. demissa
2008 Keir Morse
Prunus virginiana var. demissa
2013 Neal Kramer
Prunus virginiana var. demissa
2019 Hunter Breck

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

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

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

CARYOPHYLLACEAE

Pseudostellaria jamesiana
2003 Michael Charters
Pseudostellaria jamesiana
2012 Barry Rice
Pseudostellaria jamesiana
2013 Debra L. Cook

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

PINACEAE

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

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

ASTERACEAE

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

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

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2011 Zoya Akulova

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

ERICACEAE

Pterospora andromedea
2019 Bryant Baker
Pterospora andromedea
2018 Mary Conway
Pterospora andromedea
2006 Steve Matson

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

ERICACEAE

Pyrola picta
2008 Ron Wolf
Pyrola picta
2019 Cynthia Powell
Pyrola picta
2008 Aaron Schusteff

Pyrus communis    Common pear
non-native
Tree

ROSACEAE

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

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

FAGACEAE

Quercus chrysolepis var. chrysolepis
2017 Aaron Sunshine
Quercus chrysolepis var. chrysolepis
2018 joaquin hale
Quercus chrysolepis var. chrysolepis
2018 joaquin hale

Quercus kelloggii    Black oak,  California black oak
native
Tree

FAGACEAE

Quercus kelloggii
2018 John Schmidt
Quercus kelloggii
2018 Zoya Akulova
Quercus kelloggii
2013 Neal Kramer

Quercus vaccinifolia    Huckleberry oak
native
Shrub

FAGACEAE

Quercus vaccinifolia
2011 Jean Pawek
Quercus vaccinifolia
2010 Barry Breckling
Quercus vaccinifolia
2019 Julie Kierstead Nelson

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
2017 Amy Rapport
Rafinesquia californica
2018 Adam Chasey
Rafinesquia californica
2018 Aaron Echols

Raillardella scaposa    Green leaved raillardella,  Stem raillardella
native
Perennial herb

ASTERACEAE

Raillardella scaposa
2014 Debra L. Cook
Raillardella scaposa
2009 Barry Breckling
Raillardella scaposa
2017 John Doyen

Ranunculus alismaefolius var. alismellus    Plantainleaf buttercup,  Slender buttercup,  Small water plantain buttercup
native
Perennial herb

RANUNCULACEAE

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

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

RANUNCULACEAE

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

native
Perennial herb

RANUNCULACEAE

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Rhamnus rubra    Red buckthorn
native
Shrub

RHAMNACEAE

Rhamnus rubra
2019 Steve Matson
Rhamnus rubra
2009 Barry Breckling
Rhamnus rubra
2019 Richard Spjut

Rhododendron occidentale    Western azalea
native
Tree, Shrub

ERICACEAE

Rhododendron occidentale
2009 Neal Kramer
Rhododendron occidentale
2011 Jean Pawek
Rhododendron occidentale
2018 Julie Kierstead Nelson

Rhus trilobata var. quinata    Fragrant sumac
native
Shrub

ANACARDIACEAE

Rhus trilobata var. quinata
2009 Thomas Stoughton
Rhus trilobata var. quinata
2019 Ron Vanderhoff
Rhus trilobata var. quinata
2019 Diane Etchison

Ribes cereum    Wax currant
native
Shrub

GROSSULARIACEAE

Ribes cereum
2005 Steve Matson
Ribes cereum
2005 Dr. Mark S. Brunell
Ribes cereum
2016 Jim Moore

Ribes nevadense    Mountain pink currant,  Sierra currant
native
Shrub

GROSSULARIACEAE

Ribes nevadense
2003 Steve Matson
Ribes nevadense
2017 David popp
Ribes nevadense
2013 Neal Kramer

Ribes roezlii var. roezlii    Sierra gooseberry
native
Shrub

GROSSULARIACEAE

Ribes roezlii var. roezlii
2019 Diane Etchison
Ribes roezlii var. roezlii
2010 Tony Morosco
Ribes roezlii var. roezlii
2015 Neal Kramer

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

GROSSULARIACEAE

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

Robinia pseudoacacia    Black locust
invasive non-native
Tree

FABACEAE

Robinia pseudoacacia
2008 Keir Morse
Robinia pseudoacacia
2000 Joe DiTomaso
Robinia pseudoacacia
2016 Ron Vanderhoff

Rosa woodsii var. ultramontana    Interior rose
native
Shrub

ROSACEAE

Rosa woodsii var. ultramontana
2008 Thomas Stoughton
Rosa woodsii var. ultramontana
1995 Saint Mary's College of California
Rosa woodsii var. ultramontana
2019 Susan McDougall

Rubus discolor    Elmleaf blackberry
non-native
Vine, Shrub

ROSACEAE

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

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

ROSACEAE

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

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

ROSACEAE

Rubus leucodermis
2019 Chico Hiking Association
Rubus leucodermis
2009 Zoya Akulova
Rubus leucodermis
2019 David popp

Rubus parviflorus    Western thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
2018 Chico Hiking Association
Rubus parviflorus
2019 Patrick Furtado
Rubus parviflorus
2018 Abbot Chambers

Rudbeckia hirta    Blackeyed susan,  Bristly cone flower
native
Perennial herb

ASTERACEAE

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

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
2007 Dr. Mark S. Brunell
Rumex acetosella
2017 Gary McDonald
Rumex acetosella
2004 Carol W. Witham

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

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2019 Cynthia Powell

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

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix lemmonii    Lemmon's willow
native
Shrub

SALICACEAE

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

Salix lucida ssp. lasiandra    Pacific willow
native
Tree

SALICACEAE

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

Salix melanopsis    Dusky willow
native
Tree, Shrub

SALICACEAE

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

Salix planifolia    Diamondleaf willow
native
Shrub

SALICACEAE

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

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

SALICACEAE

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

Sambucus mexicana    Blue elderberry
native
Shrub

ADOXACEAE

Sambucus mexicana
2019 Jean B Henney
Sambucus mexicana
2019 Julian Geoghegan
Sambucus mexicana
2019 Michael Morrison

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

CARYOPHYLLACEAE

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

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

ERICACEAE

Sarcodes sanguinea
2001 Russell Towle
Sarcodes sanguinea
2018 Cynthia Griffin
Sarcodes sanguinea
2019 Stephanie Hubbard

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica
2002 Bart and Susan Eisenberg
Saxifraga californica
2010 Robert Steers/NPS
Saxifraga californica
2019 Patrick Furtado

Saxifraga odontoloma    Brook saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga odontoloma
2018 Matt Berger
Saxifraga odontoloma
2018 Chico Hiking Association
Saxifraga odontoloma
2013 Jean Pawek

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

CYPERACEAE

Scirpus microcarpus
2003 Steve Matson
Scirpus microcarpus
2011 Steven Perry
Scirpus microcarpus
2019 Julie Kierstead Nelson

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

SCROPHULARIACEAE

Scrophularia californica ssp. floribunda
2019 Ron Vanderhoff
Scrophularia californica ssp. floribunda
2018 Stacie Wolny
Scrophularia californica ssp. floribunda
2019 Cynthia Powell

Sedum obtusatum    Sierra stonecrop
native
Perennial herb

CRASSULACEAE

Sedum obtusatum
2016 mark kircher
Sedum obtusatum
2001 Jeff Abbas
Sedum obtusatum
2019 Cynthia Powell

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

CRASSULACEAE

Sedum spathulifolium
2019 Chico Hiking Association
Sedum spathulifolium
2019 Chico Hiking Association
Sedum spathulifolium
2019 Chico Hiking Association

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

SELAGINELLACEAE

Selaginella hansenii
2006 John Game
Selaginella hansenii
2006 John Game
Selaginella hansenii
2019 Chico Hiking Association

Senecio aronicoides    California butterweed,  California groundsel,  California rayless butterweed
native
Perennial herb

ASTERACEAE

Senecio aronicoides
2019 Chico Hiking Association
Senecio aronicoides
2019 Chico Hiking Association
Senecio aronicoides
2018 Ken Hickman

Senecio triangularis    Arrow leaved ragwort,  Arrowhead butterweed,  Arrowleaf ragwort
native
Perennial herb

ASTERACEAE

Senecio triangularis
2004 Steve Matson
Senecio triangularis
2018 Chico Hiking Association
Senecio triangularis
2014 James Gonsman

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

ASTERACEAE

Senecio vulgaris
2005 Steve Matson
Senecio vulgaris
2008 Neal Kramer
Senecio vulgaris
2019 Ron Vanderhoff

Sequoia gigantea    Giant sequoia,  Sierra redwood, big tree
native
Tree

CUPRESSACEAE

Sequoia gigantea
2008 John Dittes
Sequoia gigantea
2013 Keir Morse
Sequoia gigantea
Gerald and Buff Corsi 2016 California Academy of Sciences

Sidalcea asprella    Harsh checker mallow
native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea asprella
2007 Dr. Mark S. Brunell
Sidalcea asprella
2008 Keir Morse
Sidalcea asprella
2007 Dr. Mark S. Brunell

Silene bridgesii    Bridges campion,  Bridges' campion,  Bridges' catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene bridgesii
2008 Ron Wolf
Silene bridgesii
2009 Keir Morse
Silene bridgesii
2009 Keir Morse

Silene lemmonii    Lemmon campion,  Lemmon's catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene lemmonii
2008 James B. Gratiot
Silene lemmonii
2019 Ron Vanderhoff
Silene lemmonii
2006 Steve Matson

Sisymbrium altissimum    Tall tumblemustard,  Tumble mustard,  Tumbling mustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium altissimum
2008 Thomas Stoughton
Sisymbrium altissimum
2008 Thomas Stoughton
Sisymbrium altissimum
2010 Jean Pawek

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny
Sisyrinchium bellum
2019 Stacie Wolny

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

SOLANACEAE

Solanum xanti
2006 Chris Wagner, SBNF
Solanum xanti
2011 Neal Kramer
Solanum xanti
2017 Ashley Olive

Solidago californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago californica
2018 Rebecca Schoenenberger
Solidago californica
2017 Hilary Mills
Solidago californica
2017 Hilary Mills

Solidago canadensis ssp. elongata    West coast canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago canadensis ssp. elongata
2007 Michelle Cloud-Hughes
Solidago canadensis ssp. elongata
2009 Keir Morse
Solidago canadensis ssp. elongata
2009 Keir Morse

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

ASTERACEAE

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

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

ASTERACEAE

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

Sorbus scopulina    Greene's mountain ash
native
Shrub

ROSACEAE

Sorbus scopulina
2012 RT Hawke
Sorbus scopulina
2010 Keir Morse
Sorbus scopulina
2010 Keir Morse

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

CARYOPHYLLACEAE

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

Sphenosciadium capitellatum    Grayswamp whiteheads
native
Perennial herb

APIACEAE

Sphenosciadium capitellatum
2011 Steven Thorsted
Sphenosciadium capitellatum
2019 Talila Golan
Sphenosciadium capitellatum
2019 Diane Etchison

Spiraea densiflora    Rose meadowsweet
native
Shrub

ROSACEAE

Spiraea densiflora
2010 Keir Morse
Spiraea densiflora
2010 Barry Breckling
Spiraea densiflora
2018 Adam Chasey

Stachys ajugoides var. rigida    Rigid hedge nettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida
2008 Keir Morse
Stachys ajugoides var. rigida
2008 Keir Morse
Stachys ajugoides var. rigida
2008 Keir Morse

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

LAMIACEAE

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

Staphylea bolanderi    Bladdernut,  Sierra bladdernut
native
Tree, Shrub

STAPHYLEACEAE

Staphylea bolanderi
2006 Chet Blackburn
Staphylea bolanderi
2010 Barry Breckling
Staphylea bolanderi
2013 Debra L. Cook

Stellaria longipes var. longipes    Chickweed, starwort
native
Perennial herb

CARYOPHYLLACEAE

Stellaria longipes var. longipes
2001 Jeff Abbas
Stellaria longipes var. longipes
2014 John Doyen
Stellaria longipes var. longipes
2009 Keir Morse

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

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

CARYOPHYLLACEAE

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

Stephanomeria lactucina    Forest stephanomeria,  Large flowered stephanomeria,  Wirelettuce
native
Perennial herb

ASTERACEAE

Stephanomeria lactucina
2009 Keir Morse
Stephanomeria lactucina
2003 Steve Matson
Stephanomeria lactucina
2015 Kristi Jamason

Stephanomeria virgata ssp. pleurocarpa    Tall stephanomeria,  Wand stephanomeria,  Wand wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
2008 Keir Morse
Stephanomeria virgata ssp. pleurocarpa
2016 Glen Schneider
Stephanomeria virgata ssp. pleurocarpa
2018 Richard Spjut

Streptanthus tortuosus    Jewelweed,  Mountain jewelflower,  Shieldplant
native
Annual, Perennial herb

BRASSICACEAE

Streptanthus tortuosus
2009 Keir Morse
Streptanthus tortuosus
and Buff Corsi 2002 California Academy of Sciences
Streptanthus tortuosus
2019 Julie Kierstead Nelson

Streptanthus tortuosus var. orbiculatus    Jewelweed,  Mountain jewelflower,  Shieldplant
native
Annual, Perennial herb

BRASSICACEAE

Streptanthus tortuosus var. orbiculatus
2009 Keir Morse
Streptanthus tortuosus var. orbiculatus
and Buff Corsi 2002 California Academy of Sciences
Streptanthus tortuosus var. orbiculatus
2019 Julie Kierstead Nelson

Swertia radiata    Monument plant
native
Perennial herb

GENTIANACEAE

Swertia radiata
2017 Diane Etchison
Swertia radiata
2015 Cynthia Powell
Swertia radiata
2009 Ron Wolf

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Chico Hiking Association
Symphoricarpos mollis
2003 Steve Matson
Symphoricarpos mollis
2019 Ron Vanderhoff

native
Perennial herb

ASTERACEAE

Symphyotrichum foliaceum var. parryi
2004 Steve Matson
Symphyotrichum foliaceum var. parryi
2012 Gary A. Monroe
Symphyotrichum foliaceum var. parryi
2015 Barry Breckling

Symphyotrichum spathulatum var. spathulatum    Western mountain aster
native
Perennial herb

ASTERACEAE

Symphyotrichum spathulatum var. spathulatum
2011 Wynn Anderson
Symphyotrichum spathulatum var. spathulatum
2013 Barry Rice
Symphyotrichum spathulatum var. spathulatum
2004 George W. Hartwell

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
invasive non-native
Perennial herb

ASTERACEAE

Taraxacum officinale
2001 Nick Kurzenko
Taraxacum officinale
2018 Chico Hiking Association
Taraxacum officinale
2016 John Doyen

Thalictrum fendleri    Fendler's meadow rue,  Meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri
2010 Aaron Schusteff
Thalictrum fendleri
2017 Thomas Reyes
Thalictrum fendleri
2019 Patrick Furtado

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

BRASSICACEAE

Thysanocarpus curvipes
2019 Jay Chamberlain
Thysanocarpus curvipes
2008 Keir Morse
Thysanocarpus curvipes
2001 Jeff Abbas

Torreya californica    California nutmeg,  California torreya
native
Tree

TAXACEAE

Torreya californica
2006 George W. Hartwell
Torreya californica
2012 Belinda Lo
Torreya californica
2018 Mary Conway

Torreyochloa pallida var. pauciflora    Mannagrass,  Pale false mannagrass,  Weak mannagrass
native
Perennial grass (rhizomatous)

POACEAE

Torreyochloa pallida var. pauciflora
2010 Robert Steers/NPS
Torreyochloa pallida var. pauciflora
2011 2011 Eric Wrubel/NPS
Torreyochloa pallida var. pauciflora
2014 Belinda Lo

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2011 Robert A. Hamilton
Toxicodendron diversilobum
2008 Keir Morse
Toxicodendron diversilobum
2008 Zoya Akulova

Tragopogon dubius    Goat's beard,  Yellow salsify
invasive non-native
Perennial herb

ASTERACEAE

Tragopogon dubius
2018 Chico Hiking Association
Tragopogon dubius
2001 Steven Thorsted
Tragopogon dubius
2006 Louis-M. Landry

Trichostema oblongum    Mountain bluecurls,  Oblong bluecurls
native
Annual herb

LAMIACEAE

Trichostema oblongum
2010 Barry Breckling
Trichostema oblongum
2015 John Doyen
Trichostema oblongum
2003 Christopher L. Christie

Trifolium breweri    Brewer's clover,  Forest clover
native
Perennial herb

FABACEAE

Trifolium breweri
2009 Neal Kramer
Trifolium breweri
2013 Debra L. Cook
Trifolium breweri
2009 Neal Kramer

Trifolium dubium    Shamrock clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
2008 Jorg Fleige
Trifolium dubium
2004 Carol W. Witham
Trifolium dubium
2015 Barry Breckling

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
2004 Carol W. Witham
Trifolium hirtum
2008 Keir Morse
Trifolium hirtum
2013 Zoya Akulova

Trifolium longipes    Long stalked clover,  Longstalk clover,  Summer clover
native
Perennial herb

FABACEAE

Trifolium longipes
2015 John Doyen
Trifolium longipes
2015 Susan McDougall
Trifolium longipes
2019 Julie Kierstead Nelson

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

FABACEAE

Trifolium microcephalum
2019 Ron Vanderhoff
Trifolium microcephalum
2018 Glen Schneider
Trifolium microcephalum
2005 Steve Matson

native
Perennial herb

FABACEAE

Trifolium monanthum var. monanthum
2007 Steve Matson
Trifolium monanthum var. monanthum
2003 Steve Matson
Trifolium monanthum var. monanthum
2014 Robert Sikora

Trifolium repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
2017 Gary McDonald
Trifolium repens
2007 Dr. Amadej Trnkoczy
Trifolium repens
2017 Gary McDonald

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2018 Stacie Wolny
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

Trifolium wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii
2018 Hayley Ross
Trifolium wormskioldii
2009 Dr. Mark S. Brunell
Trifolium wormskioldii
2015 James Gonsman

native
Perennial grass

POACEAE

Trisetum projectum
2011 Steve Matson
Trisetum projectum
2011 Steve Matson
Trisetum projectum
2011 Steve Matson

Triteleia ixioides ssp. anilina    Mountain pretty face,  Prettyface
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. anilina
2019 Chico Hiking Association
Triteleia ixioides ssp. anilina
2003 Steve Matson
Triteleia ixioides ssp. anilina
2017 David popp

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
2007 Neal Kramer
Triteleia laxa
2019 Stacie Wolny
Triteleia laxa
2019 Chico Hiking Association

Turritis glabra var. glabra   


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

TYPHACEAE

Typha latifolia
2007 Neal Kramer
Typha latifolia
2004 Steve Matson
Typha latifolia
2015 Keir Morse

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2018 David popp
Umbellularia californica
2015 Diane Etchison
Umbellularia californica
2003 Michael Charters

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
2018 Ron Vanderhoff
Uropappus lindleyi
2017 Diane Etchison
Uropappus lindleyi
2019 Carl Mautner

Urtica urens    Annual stinging nettle,  Dwarf nettle
non-native
Annual herb

URTICACEAE

Urtica urens
2019 Gary McDonald
Urtica urens
2018 Ron Vanderhoff
Urtica urens
2018 Ron Vanderhoff

Vaccinium occidentale    Western blueberry
native
Shrub

ERICACEAE

Vaccinium occidentale
2013 Jean Pawek
Vaccinium occidentale
2010 Jean Pawek
Vaccinium occidentale
2013 Jean Pawek

Valeriana californica    California valerian
native
Perennial herb

VALERIANACEAE

Valeriana californica
2011 Steven Perry
Valeriana californica
2004 Steve Matson
Valeriana californica
2011 Steven Perry

Veratrum californicum    California false hellebore
native
Perennial herb

MELANTHIACEAE

Veratrum californicum
2009 Keir Morse
Veratrum californicum
2009 Julie Kierstead Nelson
Veratrum californicum
2009 Keir Morse

Verbascum thapsus    Common mullein,  Woolly mullein
invasive non-native
Perennial herb

SCROPHULARIACEAE

Verbascum thapsus
2008 Keir Morse
Verbascum thapsus
2019 Zachary Snider
Verbascum thapsus
2016 Cynthia Powell

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

VERBENACEAE

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

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

PLANTAGINACEAE

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

Veronica arvensis    Corn speedwell,  Speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica arvensis
2011 Barry Breckling
Veronica arvensis
2015 Debra L. Cook
Veronica arvensis
2018 Villa Piazza

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

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis
2013 Debra L. Cook
Veronica peregrina ssp. xalapensis
2008 Keir Morse
Veronica peregrina ssp. xalapensis
2003 George W. Hartwell

Veronica scutellata    Marsh speedwell,  Skullcap speedwell
native
Perennial herb

PLANTAGINACEAE

Veronica scutellata
2013 Vernon Smith
Veronica scutellata
2009 Keir Morse
Veronica scutellata
2009 Keir Morse

Vicia americana var. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana var. americana
2008 Neal Kramer
Vicia americana var. americana
2011 Barry Breckling
Vicia americana var. americana
2008 Steve Matson

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
2018 Ron Vanderhoff
Vinca major
2007 Luigi Rignanese
Vinca major
2004 Dr. Amadej Trnkoczy

Viola adunca var. adunca    Blue violet,  Western dog violet
native
Perennial herb

VIOLACEAE

Viola adunca var. adunca
2013 Robert Sikora
Viola adunca var. adunca
2015 Steve Matson
Viola adunca var. adunca
2019 Patrick Furtado

Viola arvensis    European field pansy
non-native
Annual herb

VIOLACEAE

Viola arvensis
2005 Louis-M. Landry
Viola arvensis
2016 Judy and Barry Breckling
Viola arvensis
2016 Judy and Barry Breckling

Viola glabella    Pioneer violet,  Stream violet
native
Perennial herb

VIOLACEAE

Viola glabella
2006 Steve Matson
Viola glabella
2003 Christopher L. Christie
Viola glabella
2019 Chico Hiking Association

Viola macloskeyi var. macloskeyi   


Viola pinetorum    Goosefoot yellow violet,  Pine violet
native
Perennial herb

VIOLACEAE

Viola pinetorum
2015 John Doyen
Viola pinetorum
2017 Alison Sheehey
Viola pinetorum
2003 Christopher L. Christie

Viola purpurea ssp. purpurea    Goosefoot violet
native
Perennial herb

VIOLACEAE

Viola purpurea ssp. purpurea
2012 Gary A. Monroe
Viola purpurea ssp. purpurea
2015 Neal Kramer
Viola purpurea ssp. purpurea
2017 Robert Barnard

Viola sheltonii    Shelton's violet
native
Perennial herb

VIOLACEAE

Viola sheltonii
2010 Ron Wolf
Viola sheltonii
2018 Chico Hiking Association
Viola sheltonii
2012 Steven Perry

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

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

Vulpia myuros var. myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
2009 John W. Wall
Woodwardia fimbriata
2003 Keir Morse
Woodwardia fimbriata
2013 Zoya Akulova

Wyethia angustifolia    California compassplant,  Narrow leaf mule ears,  Narrow leaved mule ears
native
Perennial herb

ASTERACEAE

Wyethia angustifolia
2017 James Gonsman
Wyethia angustifolia
2019 Ken Hickman
Wyethia angustifolia
2019 Miao Ling He

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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

Zigadenus venenosus var. venenosus    Meadow deathcamas
native
Perennial herb

MELANTHIACEAE

Zigadenus venenosus var. venenosus
2015 Debra L. Cook
Zigadenus venenosus var. venenosus
2011 Barry Rice
Zigadenus venenosus var. venenosus
2015 Chris Heintzelman