logo Calflora Illustrated Plant List 

Cuesta Ridge East from Highway 101 to Upper Lopez Canyon San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-09)

Record Detail Nearby Surveys What Grows Here?
282 PLANTS
Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2020 Christopher Brown
Acer macrophyllum
2020 Diane Etchison
Acer macrophyllum
2018 Ron Vanderhoff

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

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

FABACEAE

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

native
Perennial herb

FABACEAE

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

Acmispon junceus var. biolettii    Bioletti's rush lotus
native
Perennial herb

FABACEAE

Acmispon junceus var. biolettii
2017 John Doyen
Acmispon junceus var. biolettii
2013 Aaron Arthur
Acmispon junceus var. biolettii
2013 Aaron Arthur

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
2019 Chico Hiking Association
Acmispon parviflorus
2019 Ron Vanderhoff
Acmispon parviflorus
2019 Chico Hiking Association

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

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

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

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

native
Tree, Shrub

ROSACEAE

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

Adiantum aleuticum    Five finger fern,  Five finger maidenhair
native
Fern

PTERIDACEAE

Adiantum aleuticum
2008 Rodney W. Lacey
Adiantum aleuticum
2018 Neal Kramer
Adiantum aleuticum
Sherry Ballard2001 California Academy of Sciences

Adiantum jordanii    California maidenhair fern
native
Fern

PTERIDACEAE

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

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

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

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
2008 Keir Morse
Agrostis exarata
2009 Zoya Akulova
Agrostis exarata
2018 Neal Kramer

Agrostis hooveri    Hoover's bent grass,  Hoover's bentgrass
native
Perennial grass

POACEAE

Agrostis hooveri
2008 Adonis (Don) Tate
Agrostis hooveri
2017 Adonis (Don) Tate

Allophyllum glutinosum    Sticky false gilia,  Sticky false gilyflower
native
Annual herb

POLEMONIACEAE

Allophyllum glutinosum
2008 Lynn Watson
Allophyllum glutinosum
2008 Lynn Watson
Allophyllum glutinosum
2019 Diane Etchison

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2003 Charles E. Jones
Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2008 Dr. Mark S. Brunell

Amorpha californica var. californica    California false indigo
native
Shrub

FABACEAE

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

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

Anisocarpus madioides    Woodland madia
native
Perennial herb

ASTERACEAE

Anisocarpus madioides
2018 Rebecca Schoenenberger
Anisocarpus madioides
2019 Ken Lunders
Anisocarpus madioides
2009 Neal Kramer

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

APIACEAE

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

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

PLANTAGINACEAE

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

Antirrhinum thompsonii   


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

ROSACEAE

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

Aphyllon tuberosum    Chaparral broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Aphyllon tuberosum
2019 Diane Etchison
Aphyllon tuberosum
2019 Diane Etchison
Aphyllon tuberosum
2002 Steve Tyron

Aralia californica    California spikenard,  Elk's clover,  Elkclover
native
Perennial herb

ARALIACEAE

Aralia californica
2020 Tri Do
Aralia californica
2020 Tri Do
Aralia californica
2014 James Gonsman

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2008 Neal Kramer
Arbutus menziesii
2015 Susan McDougall
Arbutus menziesii
2019 Phyllis Fitzsimons

native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
© 2015 Vernon Smith

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

ERICACEAE

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

Arctostaphylos luciana    Santa lucia manzanita
native
Shrub

ERICACEAE

Arctostaphylos luciana
2006 Steve Matson
Arctostaphylos luciana
2004 David Graber
Arctostaphylos luciana
2011 David Graber

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

ASTERACEAE

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

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

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

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

APOCYNACEAE

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

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

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

POACEAE

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

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

POACEAE

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

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

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

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

BRASSICACEAE

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

Brachypodium hybridum   


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2011 Jorg & Mimi Fleige
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

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

POACEAE

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

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

POACEAE

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

Bromus 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

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

POACEAE

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

Bromus madritensis    Foxtail chess, foxtail brome,  Madrid brome,  Spanish brome
non-native
Annual grass

POACEAE

Bromus madritensis
2009 Keir Morse
Bromus madritensis
2009 Barry Rice
Bromus madritensis
2005 Steve Matson

Bromus pseudolaevipes    Coast range brome,  Southern chinook brome
native
Perennial grass

POACEAE

Bromus pseudolaevipes
2017 Dean Wm. Taylor
Bromus pseudolaevipes
2017 Dean Wm. Taylor
Bromus pseudolaevipes
2019 Ron Vanderhoff

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

POACEAE

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

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

MONTIACEAE

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

Calandrinia menziesii    Red maids
native
Annual herb

MONTIACEAE

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

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2020 Tina Curiel
Calochortus albus
2019 Cynthia Powell

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
2013 Zoya Akulova
Calystegia macrostegia ssp. cyclostegia
2014 Wynn Anderson
Calystegia macrostegia ssp. cyclostegia
2014 Wynn Anderson

Calystegia purpurata ssp. purpurata    Pacific false bindweed,  Purple western morning glory,  Smooth western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia purpurata ssp. purpurata
2012 Jason Matthias Mills
Calystegia purpurata ssp. purpurata
2009 Neal Kramer
Calystegia purpurata ssp. purpurata
2020 R.A. Chasey

Camissoniopsis hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

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

Cardamine californica    Bitter cress,  California toothwort, milk maids
native
Perennial herb

BRASSICACEAE

Cardamine californica
2019 Ron Vanderhoff
Cardamine californica
2018 Lynn Sweet
Cardamine californica
2019 Ron Vanderhoff

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

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

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
2010 Dean W. Taylor, Ph.D
Carex globosa
2009 Neal Kramer
Carex globosa
2014 Steve Matson

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
2020 Mary Conway
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff
Castilleja affinis ssp. affinis
2018 Ron Vanderhoff

native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. sorediatus
2013 Vernon Smith
Ceanothus oliganthus var. sorediatus
2009 Barry Breckling
Ceanothus oliganthus var. sorediatus
2019 Susan McDougall

Ceanothus papillosus    Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2020 David Greenberger
Ceanothus papillosus
2019 Susan McDougall

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

ASTERACEAE

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

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

ASTERACEAE

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

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

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

ASTERACEAE

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

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

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

Cirsium occidentale var. lucianum    Cuesta ridge thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. lucianum
2019 David Greenberger
Cirsium occidentale var. lucianum
2009 Zachary Green
Cirsium occidentale var. lucianum
2011 Chris Winchell

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

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

ONAGRACEAE

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

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

ONAGRACEAE

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

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

MONTIACEAE

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

Claytonia perfoliata ssp. mexicana    Southern miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. mexicana
2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
2014 Susan McDougall
Claytonia perfoliata ssp. mexicana
2013 Susan McDougall

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

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2018 Stacie Wolny
Clematis lasiantha
2019 Matt Berger
Clematis lasiantha
2020 Larry Leigh

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

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

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2008 Keir Morse
Conium maculatum
2016 Cynthia Powell
Conium maculatum
2019 Ron Vanderhoff

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

Cornus sericea ssp. occidentalis    Western dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. occidentalis
2016 Neal Kramer
Cornus sericea ssp. occidentalis
2013 John Doyen
Cornus sericea ssp. occidentalis
2014 Zoya Akulova

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

CRASSULACEAE

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

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

CISTACEAE

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

Cryptantha clevelandii var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha corollata    Coast range cryptantha
native
Annual herb

BORAGINACEAE


Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

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

Cryptantha muricata var. jonesii    Jones' cryptantha
native
Annual herb

BORAGINACEAE

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

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

CONVOLVULACEAE

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

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

CONVOLVULACEAE

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

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

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

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

Delphinium nudicaule    Canyon larkspur,  Red larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium nudicaule
2020 Wendell Love
Delphinium nudicaule
2014 Stephen Rosenthal
Delphinium nudicaule
2018 Ken Lunders

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

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

Diplacus aurantiacus var. aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

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

Diplacus aurantiacus var. longiflorus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. longiflorus
2019 Gary McDonald
Diplacus aurantiacus var. longiflorus
2019 Stacie Wolny
Diplacus aurantiacus var. longiflorus
2020 Ron Vanderhoff

Diplacus rattanii    Rattan's monkeyflower
native
Annual herb

PHRYMACEAE

Diplacus rattanii
2009 Aaron Schusteff
Diplacus rattanii
2001 Steve Schoenig
Diplacus rattanii
2019 Ron Vanderhoff

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. glandulosa
2014 Neal Kramer
Drymocallis glandulosa var. glandulosa
2009 Barry Breckling
Drymocallis glandulosa var. glandulosa
2009 Keir Morse

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

DRYOPTERIDACEAE

Dryopteris arguta
2019 Ron Vanderhoff
Dryopteris arguta
2004 Brent Miller
Dryopteris arguta
2019 Jacob Smith

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2011 Neal Kramer
Elymus condensatus
2010 Michael O'Brien
Elymus condensatus
2006 Adonis (Don) Tate

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

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

BORAGINACEAE

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

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

ONAGRACEAE

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

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

ONAGRACEAE

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

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

ONAGRACEAE

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

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

Erigeron philadelphicus    Philadelphia fleabane
native
Perennial herb

ASTERACEAE

Erigeron philadelphicus
2005 Christopher L. Christie
Erigeron philadelphicus
2011 Zoya Akulova
Erigeron philadelphicus
2014 Julie Kierstead Nelson

Eriodictyon traskiae ssp. smithii    Smith's yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon traskiae ssp. smithii
2002 Lynn Watson
Eriodictyon traskiae ssp. smithii
2002 Lynn Watson
Eriodictyon traskiae ssp. smithii
2002 Lynn Watson

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

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

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

POLYGONACEAE

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

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

POLYGONACEAE

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

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

ASTERACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

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

GERANIACEAE

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

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

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

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

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

native
Annual herb

PHRYMACEAE

Erythranthe grandis
2019 Ken Hickman

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

PHRYMACEAE

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

Eschscholzia caespitosa    Foothill poppy,  Tufted eschscholzia,  Tufted poppy
native
Annual herb

PAPAVERACEAE

Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse
Eschscholzia caespitosa
2009 Keir Morse

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

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

BORAGINACEAE

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

Festuca elmeri    Coast fescue,  Elmer fescue
native
Perennial grass

POACEAE

Festuca elmeri
2002 Dean Wm. Taylor
Festuca elmeri
2020 John Rawlings
Festuca elmeri
2008 Steve Matson

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

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

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

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

Festuca octoflora    Sixweeks grass
native
Annual grass

POACEAE

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

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

POACEAE

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

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

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

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

RUBIACEAE

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

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

RUBIACEAE

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

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

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

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

RUBIACEAE

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

Garrya veatchii    Canyon silktassel,  Southern silk tassel,  Veatch silktassel
native
Shrub

GARRYACEAE

Garrya veatchii
2011 Neal Kramer
Garrya veatchii
2016 Ron Vanderhoff
Garrya veatchii
2020 Bryant Baker

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

Gastridium phleoides
2009 Zoya Akulova
Gastridium phleoides
2009 Neal Kramer
Gastridium phleoides
2017 Gary McDonald

Geranium rotundifolium    Round leaved geranium,  Roundleaf geranium
non-native
Annual herb

GERANIACEAE

Geranium rotundifolium
2017 James Bailey
Geranium rotundifolium
2009 Dean Wm. Taylor
Geranium rotundifolium
2019 Adonis Tate

native
Annual herb

POLEMONIACEAE

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

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

POLEMONIACEAE

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

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

POLEMONIACEAE


Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
2020 stephen rosenthal
Grindelia hirsutula
2015 Ken Lunders
Grindelia hirsutula
2020 R.A. Chasey

Hazardia squarrosa var. squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa var. squarrosa
2011 Neal Kramer
Hazardia squarrosa var. squarrosa
2011 Neal Kramer
Hazardia squarrosa var. squarrosa
2011 Neal Kramer

Helminthotheca echioides    Bristly ox-tongue
invasive non-native
Annual, Perennial herb

ASTERACEAE

Helminthotheca echioides
2016 Hayley Ross
Helminthotheca echioides
2019 Rachelle Gray
Helminthotheca echioides
2019 Rachelle Gray

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2009 Barry Breckling
Hemizonia congesta ssp. luzulifolia
2007 Neal Kramer
Hemizonia congesta ssp. luzulifolia
2016 R. Adam Chasey

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

URTICACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

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

Hieracium argutum    Southern hawkweed
native
Perennial herb

ASTERACEAE

Hieracium argutum
2015 Keir Morse
Hieracium argutum
2010 Adonis (Don) Tate
Hieracium argutum
2015 Keir Morse

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

BRASSICACEAE

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

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
2018 Chico Hiking Association
Holodiscus discolor
2020 Camille Nowell
Holodiscus discolor
2018 Ron Vanderhoff

Hosackia crassifolia var. otayensis    Otay mountain hosackia
native
Perennial herb

FABACEAE

Hosackia crassifolia var. otayensis
2002 Dean Wm. Taylor
Hosackia crassifolia var. otayensis
2020 Keir Morse
Hosackia crassifolia var. otayensis
2010 Anna Bennett

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson
Hypochaeris glabra
2005 Steve Matson

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2008 Neal Kramer
Juncus patens
2014 Mike Wood
Juncus patens
2007 Neal Kramer

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

PLANTAGINACEAE

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

Kopsiopsis strobilacea    California ground-cone
native
Perennial herb (parasitic)

OROBANCHACEAE

Kopsiopsis strobilacea
2020 Ralph Henson
Kopsiopsis strobilacea
2015 Amy Rapport
Kopsiopsis strobilacea
2019 Jonathan Lee

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

ASTERACEAE

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

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

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

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
2006 Luigi Rignanese
Lamarckia aurea
2019 Ron Vanderhoff
Lamarckia aurea
2007 Neal Kramer

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2019 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2015 Chris Jaster

native
Perennial herb

LILIACEAE

Lilium pardalinum ssp. pardalinum
2020 Mary Merriman
Lilium pardalinum ssp. pardalinum
2017 Joseph Clark
Lilium pardalinum ssp. pardalinum
2017 Joseph Clark

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

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

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

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

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2020 Amy Rapport
Lonicera hispidula
2019 Doug Zimmerman

Lupinus albifrons var. abramsii    Abrams's lupine
native
Perennial herb

FABACEAE

Lupinus albifrons var. abramsii
1981 Lee Dittmann
Lupinus albifrons var. abramsii
2018 Michael Mitchell
Lupinus albifrons var. abramsii
2018 Michael Mitchell

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

FABACEAE

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

Lupinus cervinus    Santa lucia lupine
native
Perennial herb

FABACEAE

Lupinus cervinus
2004 Aaron Schusteff
Lupinus cervinus
2004 Aaron Schusteff
Lupinus cervinus
2004 Aaron Schusteff

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

FABACEAE

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

Lupinus hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

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

Lupinus succulentus    Arroyo lupine,  Hollowleaf annual lupine,  Succulent lupine
native
Annual herb

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2009 Barry Rice

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

FABACEAE

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

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

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

Lysimachia latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Lysimachia latifolia
2020 Stacie Wolny
Lysimachia latifolia
2020 Amy Rapport
Lysimachia latifolia
2020 Stacie Wolny

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

ASTERACEAE

Madia gracilis
2015 Debra L. Cook
Madia gracilis
2020 Paul Aigner
Madia gracilis
2016 John Doyen

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
2013 Ron Vanderhoff
Madia sativa
2008 Keir Morse
Madia sativa
2011 Neal Kramer

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

ASTERACEAE

Malacothrix floccifera
2020 Stacie Wolny
Malacothrix floccifera
2020 David Greenberger
Malacothrix floccifera
2020 Kevin Janicki

Malacothrix phaeocarpa    Central coast malacothrix,  Davis' desertdandelion
native
Annual herb

ASTERACEAE

Malacothrix phaeocarpa
2019 Adonis Tate
Malacothrix phaeocarpa
2019 Adonis (Don) Tate
Malacothrix phaeocarpa
2019 Adonis (Don) Tate

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

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

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

FABACEAE

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

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

POACEAE

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

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

FABACEAE

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

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

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

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

LOASACEAE

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

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

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

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

LAMIACEAE

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

Nemophila menziesii    Baby blue eyes
native
Annual herb

BORAGINACEAE

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

native
Tree, Shrub

FAGACEAE

Notholithocarpus densiflorus var. densiflorus
2007 Neal Kramer
Notholithocarpus densiflorus var. densiflorus
2020 Susan McDougall
Notholithocarpus densiflorus var. densiflorus
2020 Susan McDougall

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

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Papaver californicum    Fire poppy,  Western poppy
native
Annual herb

PAPAVERACEAE

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

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

OROBANCHACEAE

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

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

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

native
Fern

PTERIDACEAE

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

Phacelia cicutaria var. hispida    Caterpillar phacelia
native
Annual herb

BORAGINACEAE

Phacelia cicutaria var. hispida
2019 Bonnie Nickel
Phacelia cicutaria var. hispida
2015 Steven M Norris
Phacelia cicutaria var. hispida
2019 Diane Etchison

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

BORAGINACEAE

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

Phacelia grisea    Grey phacelia,  Santa lucia phacelia
native
Annual herb

BORAGINACEAE

Phacelia grisea
2009 Genevieve K. Walden
Phacelia grisea
1999 Dean Wm. Taylor

Phacelia imbricata ssp. imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata ssp. imbricata
2008 Neal Kramer
Phacelia imbricata ssp. imbricata
2020 R.A. Chasey
Phacelia imbricata ssp. imbricata
2014 James Gonsman

Phacelia viscida var. viscida    Sticky phacelia
native
Annual herb

BORAGINACEAE

Phacelia viscida var. viscida
2017 Gary Andrew
Phacelia viscida var. viscida
2017 Keir Morse
Phacelia viscida var. viscida
2018 Michael Mitchell

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
2019 James Bailey
Phalaris aquatica
2019 James Bailey
Phalaris aquatica
2017 James Bailey

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

BORAGINACEAE

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

native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum ssp. villosum
2013 Jorg & Mimi Fleige
Phoradendron villosum ssp. villosum
2018 Susan McDougal
Phoradendron villosum ssp. villosum
2019 Ron Vanderhoff

Pickeringia montana var. montana    Montana chaparral pea
native
Shrub

FABACEAE

Pickeringia montana var. montana
2018 Adam Chasey
Pickeringia montana var. montana
2015 James Gonsman
Pickeringia montana var. montana
2011 Neal Kramer

Pinus attenuata    Knobcone pine,  Scrub pine
native
Tree

PINACEAE

Pinus attenuata
2020 Diane Etchison
Pinus attenuata
2018 Hayley Ross
Pinus attenuata
2019 Susan McDougall

Pinus coulteri    Big cone pine,  Bull pine,  Coulter pine
native
Tree

PINACEAE

Pinus coulteri
2020 Diane Etchison
Pinus coulteri
2002 Charles E. Jones
Pinus coulteri
2015 Michelle Cloud Hughes

Pinus sabiniana    Bull pine,  California foothill pine,  Gray pine
native
Tree

PINACEAE

Pinus sabiniana
2011 Jean Pawek
Pinus sabiniana
2019 Cynthia Powell
Pinus sabiniana
2013 Susan McDougall

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

BORAGINACEAE

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

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

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

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

POACEAE

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

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

POACEAE

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

Poa howellii    Howell's blue grass,  Howell's bluegrass
native
Annual grass

POACEAE

Poa howellii
2011 Christopher Bronny
Poa howellii
2018 Ken Hickman
Poa howellii
2019 John Rawlings

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

Polygonum aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare
2016 John Doyen
Polygonum aviculare
2008 Keir Morse
Polygonum aviculare
2010 Lee Dittmann

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2013 Neal Kramer
Polypodium californicum
2018 Chico Hiking Association
Polypodium californicum
2015 Keir Morse

Polypodium calirhiza    Acrid fern,  Licorice fern,  Nested polypody
native
Fern

POLYPODIACEAE

Polypodium calirhiza
2008 Keir Morse
Polypodium calirhiza
2018 David popp
Polypodium calirhiza
2018 Cynthia Powell

Polystichum imbricans ssp. curtum    Cliff sword fern,  Narrowleaf swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum imbricans ssp. curtum
2008 Keir Morse
Polystichum imbricans ssp. curtum
2016 Keir Morse
Polystichum imbricans ssp. curtum
2017 Keir Morse

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2012 Zoya Akulova
Populus trichocarpa
2014 Ron Vanderhoff
Populus trichocarpa
2020 Susan McDougall

Prunus emarginata    Bitter cherry
native
Tree, Shrub

ROSACEAE

Prunus emarginata
2020 Belinda Lo
Prunus emarginata
2019 Susan McDougall
Prunus emarginata
2019 Chico Hiking Association

Prunus ilicifolia var. ilicifolia    Holly leaf cherry,  Holly leaved cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia var. ilicifolia
2018 Debra L. Cook
Prunus ilicifolia var. ilicifolia
2019 Bryant Baker
Prunus ilicifolia var. ilicifolia
2019 Marisa Persaud

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
2020 Susan McDougall
Prunus virginiana var. demissa
2020 Susan McDougall

native
Perennial herb

ASTERACEAE

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

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

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

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

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

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

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

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

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

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

FAGACEAE

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

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

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

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

FAGACEAE

Quercus chrysolepis
2017 Aaron Sunshine
Quercus chrysolepis
2020 R.A. Chasey
Quercus chrysolepis
2018 joaquin hale

Quercus durata var. durata    Leather oak
native
Shrub

FAGACEAE

Quercus durata var. durata
2004 David A. Tharp
Quercus durata var. durata
2019 Susan McDougall
Quercus durata var. durata
2019 Susan McDougall

Quercus wislizeni var. frutescens    Bush interior live oak,  Chapparal oak,  Live oak
native
Tree, Shrub

FAGACEAE

Quercus wislizeni var. frutescens
2012 Neal Kramer
Quercus wislizeni var. frutescens
2013 Susan McDougall
Quercus wislizeni var. frutescens
2010 Neal Kramer

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

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

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

RANUNCULACEAE

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Rhus aromatica    Fragrant sumac
native
Shrub

ANACARDIACEAE

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

Ribes amarum    Bitter gooseberry
native
Shrub

GROSSULARIACEAE

Ribes amarum
2009 Barry Breckling
Ribes amarum
2018 Susan McDougall
Ribes amarum
2018 Susan McDougall

Ribes malvaceum var. malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

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

Ribes sanguineum var. glutinosum    Blood currant,  Flowering currant,  Pink flowering currant
native
Shrub

GROSSULARIACEAE

Ribes sanguineum var. glutinosum
2020 Talila Golan
Ribes sanguineum var. glutinosum
2018 Hunter Breck
Ribes sanguineum var. glutinosum
2020 Susan McDougall

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
2004 Christopher L. Christie
Ribes speciosum
2020 Kathryn Cehrs
Ribes speciosum
2018 Mary Conway

Rorippa curvisiliqua    Curvepod yellow cress,  Curvepod yellowcress,  Western yellow cress
native
Annual, Perennial herb

BRASSICACEAE

Rorippa curvisiliqua
2008 Keir Morse
Rorippa curvisiliqua
2008 Keir Morse
Rorippa curvisiliqua
2008 John Dittes

Rosa gymnocarpa    Dwarf rose,  Wood rose
native
Shrub

ROSACEAE

Rosa gymnocarpa
2007 Jim Battagin
Rosa gymnocarpa
2019 James Gonsman
Rosa gymnocarpa
2017 David popp

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
2009 Genevieve K. Walden
Rosa spithamea
2009 Barry Breckling
Rosa spithamea
2012 Aaron Arthur

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2008 Keir Morse
Rubus ursinus
2008 Keir Morse
Rubus ursinus
2007 Neal Kramer

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
2020 Ryan Carle
Rumex pulcher
2008 Margo Bors
Rumex pulcher
2015 John Doyen

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia apiana    White sage
native
Shrub

LAMIACEAE

Salvia apiana
2002 Lynn Watson
Salvia apiana
2013 Susan McDougall
Salvia apiana
2019 Hannah Garcia

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Sambucus nigra ssp. caerulea    Blue elderberry
native
Shrub

ADOXACEAE

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

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

APIACEAE

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

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

SCROPHULARIACEAE

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

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

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

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

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

ASTERACEAE

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

Silene multinervia    Fire following campion
non-native
Annual herb

CARYOPHYLLACEAE

Silene multinervia
2015 Ron Vanderhoff
Silene multinervia
2019 Ron Vanderhoff
Silene multinervia
2019 Ron Vanderhoff

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

ASTERACEAE

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

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
2008 Keir Morse
Sisymbrium officinale
2013 Neal Kramer
Sisymbrium officinale
2006 Luigi Rignanese

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
2003 Michael Charters
Solanum douglasii
2018 Debra L. Cook
Solanum douglasii
2017 Zoya Akulova

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

Sorghum halepense    Johnsongrass
invasive non-native
Perennial grass

POACEAE

Sorghum halepense
2006 Luigi Rignanese
Sorghum halepense
2019 Jennifer Mo
Sorghum halepense
2009 Zoya Akulova

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis
2005 Steve Matson
Spergula arvensis
2020 Mary Conway
Spergula arvensis
2008 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

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2018 Sheila Lodge
Stachys bullata
2020 Bryant Baker
Stachys bullata
2020 Ken Lunders

Stachys pycnantha    Short spike hedge nettle,  Shortspike hedgenettle
native
Perennial herb

LAMIACEAE

Stachys pycnantha
2019 David Wolfson
Stachys pycnantha
2018 Julian Geoghegan
Stachys pycnantha
2011 Neal Kramer

Stephanomeria elata    Annual mitra,  Santa barbara stephanomeria,  Santa barbara wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria elata
2003 James B. Gratiot
Stephanomeria elata
2018 Julian Geoghegan
Stephanomeria elata
2018 Julian Geoghegan

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

ASTERACEAE

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

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
2016 Andrew Longman
Stipa lepida
2017 Gary McDonald
Stipa lepida
2016 Andrew Longman

Stipa miliacea var. miliacea    Smilo grass
invasive non-native
Perennial grass

POACEAE

Stipa miliacea var. miliacea
2006 Luigi Rignanese
Stipa miliacea var. miliacea
2012 Tom Schweich
Stipa miliacea var. miliacea
2009 Keir Morse

Streptanthus lasiophyllus   


Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Ron Vanderhoff
Symphoricarpos mollis
2020 Cara Wilcox
Symphoricarpos mollis
2019 Ron Vanderhoff

Tauschia hartwegii    Hartweg's tauschia,  Hartweg's umbrellawort,  Tauschia
native
Perennial herb

APIACEAE

Tauschia hartwegii
2008 Keir Morse
Tauschia hartwegii
2014 James Gonsman
Tauschia hartwegii
2018 Chico Hiking Association

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
2009 Keir Morse

native
Annual herb

BRASSICACEAE

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

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

APIACEAE

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

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

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

Toxicoscordion fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Toxicoscordion fremontii
2020 Bryant Baker
Toxicoscordion fremontii
2019 Dee Shea Himes
Toxicoscordion fremontii
2017 Kristin Sabo

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

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

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

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

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

FABACEAE

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

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

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

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

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

VERBENACEAE

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

Vicia hassei    Hasse's vetch
native
Vine

FABACEAE

Vicia hassei
2004 Aaron Schusteff
Vicia hassei
2011 Jorg Fleige
Vicia hassei
2004 Aaron Schusteff

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

VIOLACEAE

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

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
2009 John W. Wall
Woodwardia fimbriata
2019 Susan McDougall
Woodwardia fimbriata
2019 Susan McDougall