logo Calflora  Illustrated Plant List 
Big Basin Redwoods SP
Santa Cruz County

Martin, 1998  / California State Parks  (1998-01-01)

Record Detail Nearby Surveys What Grows Here?
387 PLANTS
Abronia umbellata ssp. umbellata    Beach sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata ssp. umbellata
© 2014 Steve Matson
Abronia umbellata ssp. umbellata
© 2014 Steve Matson
Abronia umbellata ssp. umbellata
© 2014 Steve Matson

Acacia decurrens    Black wattle,  Green wattle,  Wattle
non-native
Tree

FABACEAE

Acacia decurrens
© 2018 Thomas Reyes

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
© 2016 Steve Matson
Acer macrophyllum
© 2018 Steve Matson
Acer macrophyllum
© 2018 Steve Matson

native
Tree

SAPINDACEAE

Acer negundo var. californicum
© 2019 Robert Sweet
Acer negundo var. californicum
© 2016 John H Malpas
Acer negundo var. californicum
© 2019 Ron Vanderhoff

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
© 2022 Andy Ford
Achillea millefolium
© 2020 Bob Sweatt
Achillea millefolium
© 2018 Gary McDonald

Adenocaulon bicolor    American trailplant,  Trail plant
native
Perennial herb

ASTERACEAE

Adenocaulon bicolor
© 2018 MCOSD EDRR
Adenocaulon bicolor
© 2020 Cynthia Powell
Adenocaulon bicolor
© 2020 Bob Sweatt

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum
© 2019 Steve Matson

Adiantum aleuticum    Five finger fern
native
Fern

PTERIDACEAE

Adiantum aleuticum
© 2013 BOB CASE
Adiantum aleuticum
© 2018 Neal Kramer
Adiantum aleuticum
© 2021 R.A. Chasey

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
© 2022 BOB CASE
Adiantum jordanii
© 2019 Ron Vanderhoff
Adiantum jordanii
© 2023 Mike Russler

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

SAPINDACEAE

Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2019 Verna Jigour

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

POACEAE

Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson

Alnus rubra    Oregon alder,  Red alder
native
Tree, Shrub

BETULACEAE

Alnus rubra
© 2023 Michael Perlmutter
Alnus rubra
© 2021 R.A. Chasey
Alnus rubra
© 2021 R.A. Chasey

Amelanchier utahensis    Pale leaved serviceberry,  Service berry,  Utah service berry
native
Shrub

ROSACEAE

Amelanchier utahensis
© 2022 R.A. Chasey
Amelanchier utahensis
© 2021 Robert Steers
Amelanchier utahensis
© 2022 R.A. Chasey

Ammophila arenaria    Beachgrass,  European beach grass,  European beachgrass
invasive non-native
Perennial grass

POACEAE

Ammophila arenaria
© 2016 Steve Matson
Ammophila arenaria
© 2016 Steve Matson
Ammophila arenaria
© 2016 Steve Matson

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
© 2020 Matt Berger
Amsinckia menziesii var. intermedia
© 2019 Ron Vanderhoff
Amsinckia menziesii var. intermedia
© 2021 David popp

Amsinckia spectabilis    Seaside amsinckia,  Seaside fiddleneck,  Woolly breeches
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis
© 2017 David Greenberger
Amsinckia spectabilis
© 2023 Toni Corelli
Amsinckia spectabilis
© 2020 Ken Hickman

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
© 2017 B.J. Dion
Anagallis arvensis
© 2022 Chris McDonald
Anagallis arvensis
© 2023 Ron Vanderhoff

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
© 2020 Bob Sweatt
Anaphalis margaritacea
© 2021 Ken Lunders
Anaphalis margaritacea
© 2014 James Gonsman

Anemone oregana    Blue windflower,  Oregon anemone,  Western wood anenome
native
Perennial herb

RANUNCULACEAE

Anemone oregana
© 2011 Steve Matson
Anemone oregana
© 2011 Steve Matson
Anemone oregana
© 2011 Steve Matson

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
invasive non-native
Annual herb

ASTERACEAE

Anthemis cotula
© 2017 Diane Etchison
Anthemis cotula
© 2019 Nathan Taxel
Anthemis cotula
© 2019 Dave Beller

Anthriscus caucalis    Bur chervil
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
© 2021 Aaron Echols
Anthriscus caucalis
© 2024 Ron Vanderhoff
Anthriscus caucalis
© 2020 Jennifer Mo

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

PLANTAGINACEAE

Antirrhinum kelloggii
© 2024 David Strauch
Antirrhinum kelloggii
© 2019 David Greenberger
Antirrhinum kelloggii
© 2019 Ron Vanderhoff

native
Perennial herb

PLANTAGINACEAE

Antirrhinum multiflorum
© 2018 Michael Mitchell
Antirrhinum multiflorum
© Geoff Burleigh
Antirrhinum multiflorum
© 2016 Kristin Sabo

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

ROSACEAE

Aphanes occidentalis
© 2019 Ron Vanderhoff
Aphanes occidentalis
© 2017 Ron Vanderhoff
Aphanes occidentalis
© 2023 R.A. Chasey

Arabis blepharophylla    Coast rock cress
rare native
Perennial herb

BRASSICACEAE

Arabis blepharophylla
© 2017 Steve Matson
Arabis blepharophylla
© 2017 Steve Matson
Arabis blepharophylla
© 2017 Steve Matson

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

ARALIACEAE

Aralia californica
© 2022 Julie A. Kierstead
Aralia californica
© 2020 Tri Do
Aralia californica
© 2014 James Gonsman

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
© 2021 Cynthia Powell
Arbutus menziesii
© 2021 R.A. Chasey
Arbutus menziesii
© 2021 Hunter Breck

Arctostaphylos andersonii    Heartleaf manzanita,  Santa cruz manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos andersonii
© 2019 David Greenberger
Arctostaphylos andersonii
© 2020 Susan McDougall
Arctostaphylos andersonii
© 2020 Susan McDougall

Arctostaphylos nummularia    Glossy leaved manzanita,  Glossyleaf manzanita,  Shatterberry
native
Shrub

ERICACEAE

Arctostaphylos nummularia
© 2018 Cynthia Powell
Arctostaphylos nummularia
© 2022 R.A. Chasey
Arctostaphylos nummularia
© 2021 Mike Russler

Arctostaphylos tomentosa ssp. crustacea    Brittle leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. crustacea
© 2017 Steve Matson
Arctostaphylos tomentosa ssp. crustacea
© 2017 Steve Matson
Arctostaphylos tomentosa ssp. crustacea
© 2017 Steve Matson

Arnica discoidea    Rayless arnica
native
Perennial herb

ASTERACEAE

Arnica discoidea
© 2020 Ken Hickman
Arnica discoidea
© 2019 David Magney
Arnica discoidea
© 2020 Eliezer Margolis

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

ASTERACEAE

Artemisia californica
© 2018 James Gonsman
Artemisia californica
© 2019 Aaron Echols
Artemisia californica
© 2018 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
© 2022 Ron Vanderhoff
Artemisia douglasiana
© 2016 Glen Schneider
Artemisia douglasiana
© 2021 Mike Russler

Asarum caudatum    Creeping wild ginger,  Longtail wild ginger
native
Perennial herb

ARISTOLOCHIACEAE

Asarum caudatum
© 2023 Dana York
Asarum caudatum
© 2022 Jamie Spielmann
Asarum caudatum
© 2016 Richard Chasey

Aster chilensis    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Aster chilensis
© 2020 Suzanne L. Weakley
Aster chilensis
© 2013 Arcangelo Wessells
Aster chilensis
© 2018 Stacie Wolny

Aster radulinus    Roughleaf aster
native
Perennial herb

ASTERACEAE

Aster radulinus
© 2007 Keir Morse
Aster radulinus
© 2023 Ken-ichi Ueda
Aster radulinus
© 2022 Bob Sweatt

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

ATHYRIACEAE

Athyrium filix-femina var. cyclosorum
© 2021 R.A. Chasey
Athyrium filix-femina var. cyclosorum
© 2018 David popp
Athyrium filix-femina var. cyclosorum
© 2021 John Rawlings

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

BRASSICACEAE

Athysanus pusillus
© 2008 Steve Matson
Athysanus pusillus
© 2008 Steve Matson
Athysanus pusillus
© 2008 Steve Matson

Atriplex leucophylla    Beach salt bush,  Beach saltbush,  Sea scale
native
Perennial herb

CHENOPODIACEAE

Atriplex leucophylla
© 2006 Avis Boutell
Atriplex leucophylla
© 2019 Diane Etchison
Atriplex leucophylla
© 2020 Ken Hickman

Baccharis douglasii    Mule fat
native
Shrub

ASTERACEAE

Baccharis douglasii
© 2022 Ron Vanderhoff
Baccharis douglasii
© 2023 Ron Vanderhoff
Baccharis douglasii
© 2024 Holly Gray

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
© 2022 Ryan O'Dell
Baccharis pilularis
© 2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
© 2018 Cynthia Powell

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

BRASSICACEAE

Barbarea orthoceras
© 2015 James Gonsman
Barbarea orthoceras
© 2019 Diane Etchison
Barbarea orthoceras
© 2020 Diane Etchison

Berberis nervosa    Cascades oregon grape,  Oregongrape
native
Shrub

BERBERIDACEAE

Berberis nervosa
© 2011 Steve Matson
Berberis nervosa
© 2011 Steve Matson
Berberis nervosa
© 2011 Steve Matson

Berberis pinnata ssp. pinnata    California barberry,  Coast barberry,  Shiny leaf barberry
native
Shrub

BERBERIDACEAE

Berberis pinnata ssp. pinnata
© 2022 Alice Cummings
Berberis pinnata ssp. pinnata
© 2021 Ron Vanderhoff
Berberis pinnata ssp. pinnata
© 2021 R.A. Chasey

Blechnum spicant    Deer fern
native
Fern

BLECHNACEAE

Blechnum spicant
© 2018 Hunter Breck
Blechnum spicant
© 2022 Christine Kelly
Blechnum spicant
© 2018 Adam Chasey

Boschniakia strobilacea    ground cone,  groundcone ,  California ground-cone
native
Perennial herb (parasitic)

OROBANCHACEAE

Boschniakia strobilacea
© 2019 Steve Conger
Boschniakia strobilacea
© 2023 Timothy Boomer
Boschniakia strobilacea
© 2019 Jonathan Lee

Boykinia occidentalis    Brook foam,  Coastal brookfoam,  Western boykinia
native
Perennial herb

SAXIFRAGACEAE

Boykinia occidentalis
© 2014 James Gonsman
Boykinia occidentalis
© 2017 Hunter Breck
Boykinia occidentalis
© 2021 Bryant Baker

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
© 2017 Gary McDonald
Briza maxima
© 2018 Bill Schmidt
Briza maxima
© 2017 Gary McDonald

native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. terrestris
© 2017 James Gonsman
Brodiaea terrestris ssp. terrestris
© 2022 Cynthia Powell
Brodiaea terrestris ssp. terrestris
© 2022 Cynthia Powell

Bromus carinatus    California brome
native
Perennial grass

POACEAE

Bromus carinatus
© 2020 Ron Vanderhoff
Bromus carinatus
© 2022 David popp
Bromus carinatus
© 2014 Vertin Alvarez

Bromus vulgaris    Columbia brome,  Common brome
native
Annual grass

POACEAE

Bromus vulgaris
© 2023 David popp
Bromus vulgaris
© 2023 Robert Steers
Bromus vulgaris
© 2023 David popp

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
© 2021 Friends of Five Creeks volunteers
Cakile edentula
© 2006 Louis-M. Landry
Cakile edentula
© 2010 Louis-M. Landry

Cakile maritima    European searocket,  Sea rocket
invasive non-native
Annual herb

BRASSICACEAE

Cakile maritima
© 2019 Diane Etchison
Cakile maritima
© 2021 R.A. Chasey
Cakile maritima
© 2019 Diane Etchison

Calamagrostis koelerioides    Fire reedgrass
native
Perennial grass

POACEAE

Calamagrostis koelerioides
© 2022 Dana York
Calamagrostis koelerioides
© 2022 Dana York
Calamagrostis koelerioides
© 2006 Steve Matson

Calamagrostis nutkaensis    Pacific reedgrass
native
Perennial grass

POACEAE

Calamagrostis nutkaensis
© 2018 Ken Hickman
Calamagrostis nutkaensis
© 2019 Cynthia Powell
Calamagrostis nutkaensis
© 2019 Ken Hickman

Calamagrostis rubescens    Pine grass,  Pinegrass
native
Perennial grass

POACEAE

Calamagrostis rubescens
© 2018 Ken Hickman
Calamagrostis rubescens
© 2019 John Rawlings
Calamagrostis rubescens
© 2023 John Rawlings

Calandrinia breweri    Brewer's calandrinia
rare native
Annual herb

MONTIACEAE

Calandrinia breweri
© 2015 Ron Vanderhoff
Calandrinia breweri
© 2018 Ken Hickman
Calandrinia breweri
© 2014 Ron Vanderhoff

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

LILIACEAE

Calochortus albus
© 2019 David Greenberger
Calochortus albus
© 2019 Cynthia Powell
Calochortus albus
© 2016 Steve Matson

Calochortus tolmiei    Hairy star tulip,  Tolmie star tulip,  Tolmie's star tulip
native
Perennial herb

LILIACEAE

Calochortus tolmiei
© 2020 Steve Conger
Calochortus tolmiei
© 2022 Jamie Spielmann
Calochortus tolmiei
© 2020 Mary Ann Machi

Calochortus umbellatus    Oakland mariposa lily,  Oakland star tulip
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus umbellatus
© 2018 Steve Matson
Calochortus umbellatus
© 2020 Tina Curiel
Calochortus umbellatus
© 2018 Steve Matson

Calypso bulbosa    Fairy slipper,  Fairyslipper orchid
native
Perennial herb

ORCHIDACEAE

Calypso bulbosa
© 2023 Stephanie Penn
Calypso bulbosa
© 2022 Marcus Tamura
Calypso bulbosa
© 2020 Mary Ann Machi

Calystegia occidentalis ssp. occidentalis    Chaparral false bindweed,  Modoc morning glory,  Western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia occidentalis ssp. occidentalis
© 2016 Steve Matson
Calystegia occidentalis ssp. occidentalis
© 2016 Steve Matson
Calystegia occidentalis ssp. occidentalis
© 2019 Chico Hiking Association

Calystegia soldanella    Beach morning glory,  Beach morningglory
native
Perennial herb

CONVOLVULACEAE

Calystegia soldanella
© 2020 David Greenberger
Calystegia soldanella
© 2021 Hayley Ross
Calystegia soldanella
© 2024 Cynthia Powell

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
© 2019 Patrick Furtado
Camissonia cheiranthifolia
© 2021 Meghan Lindt
Camissonia cheiranthifolia
© 2021 Rosaleen Murphy

Camissonia hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissonia hirtella
© 2019 Steve Matson
Camissonia hirtella
© 2019 Steve Matson
Camissonia hirtella
© 2019 Steve Matson

Campanula prenanthoides    California harebell
native
Perennial herb

CAMPANULACEAE

Campanula prenanthoides
© 2015 Steve Matson
Campanula prenanthoides
© 2015 Steve Matson
Campanula prenanthoides
© 2015 Steve Matson

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

Cardamine californica
© 2020 Barbara Peck
Cardamine californica
© 2019 Ron Vanderhoff
Cardamine californica
© 2019 Ron Vanderhoff

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

BRASSICACEAE

Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson

Carex deweyana ssp. leptopoda    Slender-footed sedge
native
Perennial grasslike herb

CYPERACEAE

Carex deweyana ssp. leptopoda
© 2019 Mary Merriman
Carex deweyana ssp. leptopoda
© 2023 R.A. Chasey
Carex deweyana ssp. leptopoda
© 2021 Judy Schwartz

Carex globosa    Round fruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex globosa
© 2014 Steve Matson
Carex globosa
© 2014 Steve Matson
Carex globosa
© 2014 Steve Matson

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

CYPERACEAE

Carex nudata
© 2022 R.A. Chasey
Carex nudata
© 2016 David Greenberger
Carex nudata
© 2014 John Malpas

Carex obnupta    Coast carex,  Slough sedge
native
Perennial grasslike herb

CYPERACEAE

Carex obnupta
© 2017 Steve Matson
Carex obnupta
© 2017 Steve Matson
Carex obnupta
© 2017 Steve Matson

Carex vesicaria var. major    Western inflated sedge
native
Perennial grasslike herb

CYPERACEAE

Carex vesicaria var. major
© 2015 Dana York
Carex vesicaria var. major
© 2003 Steve Matson
Carex vesicaria var. major
© 2003 Steve Matson

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
© 2006 Steve Matson
Castilleja affinis ssp. affinis
© 2006 Steve Matson
Castilleja affinis ssp. affinis
© 2019 Ron Vanderhoff

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

OROBANCHACEAE

Castilleja densiflora ssp. densiflora
© 2018 Hayley Ross
Castilleja densiflora ssp. densiflora
© 2019 Verna Jigour
Castilleja densiflora ssp. densiflora
© 2022 Alice Cummings

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 latifolia    Monterey indian paintbrush,  Seaside paintbrush
rare native
Perennial herb (hemiparasitic)

OROBANCHACEAE

Castilleja latifolia
© 2004 Keir Morse
Castilleja latifolia
© 2004 Keir Morse
Castilleja latifolia
© 2020 Mary Conway

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
© 2022 Ryan O'Dell
Ceanothus cuneatus var. cuneatus
© 2021 Steve Matson
Ceanothus cuneatus var. cuneatus
© 2019 Cara Wilcox

Ceanothus incanus    Coast whitethorn
native
Shrub

RHAMNACEAE

Ceanothus incanus
© 2021 Alison Gardner
Ceanothus incanus
© 2019 Cara Wilcox
Ceanothus incanus
© 2022 Mary Conway

Ceanothus papillosus var. papillosus    warty-leaf ceanothus,  Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus var. papillosus
© 2022 Justin Luong
Ceanothus papillosus var. papillosus
© 2019 Susan McDougall
Ceanothus papillosus var. papillosus
© 2021 Mary Conway

Ceanothus thyrsiflorus    Blueblossom
native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus
© 2020 David Greenberger
Ceanothus thyrsiflorus
© 2022 R.A. Chasey
Ceanothus thyrsiflorus
© 2019 Patrick Furtado

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

ASTERACEAE

Centaurea melitensis
© 2019 Ron Vanderhoff
Centaurea melitensis
© 2020 Ron Vanderhoff
Centaurea melitensis
© 2020 Laura Anna Arellano

Cephalanthera austiniae    Phantom orchid
native
Perennial herb

ORCHIDACEAE

Cephalanthera austiniae
© 2017 Steve Matson
Cephalanthera austiniae
© 2015 Steve Matson
Cephalanthera austiniae
© 2017 Steve Matson

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

CARYOPHYLLACEAE

Cerastium glomeratum
© 2024 Dana York
Cerastium glomeratum
© 2023 Ron Vanderhoff
Cerastium glomeratum
© 2023 R.A. Chasey

Cercocarpus betuloides var. betuloides    Birch leaf mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides var. betuloides
© 2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
© 2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
© 2016 Ron Vanderhoff

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
© 2019 Patrick Furtado
Chlorogalum pomeridianum
© 2020 Robert Katz
Chlorogalum pomeridianum
© 2019 Diane Etchison

Chorizanthe diffusa    Diffuse spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe diffusa
© 2022 Irene Rosen
Chorizanthe diffusa
© 2020 David Greenberger
Chorizanthe diffusa
© 2022 Irene Rosen

Chorizanthe pungens    Monterey spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe pungens
© 2020 Cara Wilcox
Chorizanthe pungens
© 2020 Cara Wilcox
Chorizanthe pungens
© 2018 Evaristo Alvarez

Chrysolepis chrysophylla var. minor    Bush chinquapin,  Giant chinquapin
native
Tree, Shrub

FAGACEAE

Chrysolepis chrysophylla var. minor
© 2020 R.A. Chasey
Chrysolepis chrysophylla var. minor
© 2019 Ken Hickman
Chrysolepis chrysophylla var. minor
© 2009 Neal Kramer

Cirsium arvense    Canada thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium arvense
© 2012 Michael Mitchell
Cirsium arvense
© 2012 Michael Mitchell
Cirsium arvense
© 2022 Donald Burk

Cirsium occidentale var. venustum    Cobwebby thistle,  Red thistle,  Venus thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. venustum
© 2011 Steve Matson
Cirsium occidentale var. venustum
© 2011 Steve Matson
Cirsium occidentale var. venustum
© 2011 Steve Matson

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
© 2017 James Bailey
Cirsium vulgare
© 2020 Bob Sweatt
Cirsium vulgare
© 2020 Bob Sweatt

Clarkia amoena ssp. amoena    Farewell to spring
native
Annual herb

ONAGRACEAE

Clarkia amoena ssp. amoena
© 2020 Steve Laymon
Clarkia amoena ssp. amoena
© 2020 Steve Laymon
Clarkia amoena ssp. amoena
© 2014 Richard Chasey

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

ONAGRACEAE

Clarkia unguiculata
© 2019 David Greenberger
Clarkia unguiculata
© 2019 Bryant Baker
Clarkia unguiculata
© 2021 Mike Russler

Claytonia perfoliata    Miners lettuce,  Miner's lettuce,  Rooreh (Ohlone)
native
Annual herb

MONTIACEAE

Claytonia perfoliata
© 2008 Steve Matson
Claytonia perfoliata
© 2019 Gary McDonald
Claytonia perfoliata
© 2020 Ron Vanderhoff

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
© 2008 Steve Matson
Clematis lasiantha
© 2018 Steve Matson
Clematis lasiantha
© 2018 Steve Matson

Clintonia andrewsiana    Andrew's clintonia,  Blue bead lily,  Red clintonia
native
Perennial herb

LILIACEAE

Clintonia andrewsiana
© 2022 Suzanne L. Weakley
Clintonia andrewsiana
© 2020 Eliezer Margolis
Clintonia andrewsiana
© 2013 Paul Preston

Collinsia multicolor    San Francisco blue eyed mary,  San Francisco collinsia
rare native
Annual herb

PLANTAGINACEAE

Collinsia multicolor
© 2022 Janell Hillman
Collinsia multicolor
© 2019 Ken Hickman
Collinsia multicolor
© 2018 Barry Thomson

Collomia heterophylla    Variableleaf collomia,  Varied leaved collomia
native
Annual herb

POLEMONIACEAE

Collomia heterophylla
© 2023 Steve Conger
Collomia heterophylla
© 2017 Steve Matson
Collomia heterophylla
© 2024 Steve Conger

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
© 2019 James Bailey
Conium maculatum
© 2013 Toni Corelli
Conium maculatum
© 2016 Cynthia Powell

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

ORCHIDACEAE

Corallorrhiza maculata
© 2023 Steve Conger
Corallorrhiza maculata
© 2024 Matt Berger
Corallorrhiza maculata
© 2018 Rick Wachs

Corallorrhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorrhiza striata
© 2018 Timothy Boomer
Corallorrhiza striata
© 2022 Steve Conger
Corallorrhiza striata
© 2019 Timothy Boomer

Cordylanthus rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler

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

CORNACEAE

Cornus sericea ssp. sericea
© 2003 Steve Matson
Cornus sericea ssp. sericea
© 2019 Richard Spjut
Cornus sericea ssp. sericea
© 2020 Doug Allshouse

Corylus cornuta var. californica    Beaked hazelnut
native
Shrub

BETULACEAE

Corylus cornuta var. californica
© 2017 Steve Matson
Corylus cornuta var. californica
© 2017 Steve Matson
Corylus cornuta var. californica
© 2017 Steve Matson

Cotula australis    Australian brass buttons,  Australian cotula,  Australian waterbuttons
non-native
Annual herb

ASTERACEAE

Cotula australis
© 2023 Mike Russler
Cotula australis
© 2022 Ron Vanderhoff
Cotula australis
© 2023 Mike Russler

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
© 2022 Steve Matson
Cotula coronopifolia
© 2022 Steve Matson
Cotula coronopifolia
© 2018 Adam Chasey

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

Cryptantha clevelandii    Cleveland's cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii
© 2019 Ron Vanderhoff
Cryptantha clevelandii
© 2019 Diane Etchison
Cryptantha clevelandii
© 2019 Diane Etchison

Cryptantha micromeres    Minute flowered cryptantha,  Pygmyflower cryptantha,  Small flowered cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha micromeres
© 2021 Jodi McGraw
Cryptantha micromeres
© 2020 Ken Hickman
Cryptantha micromeres
© 2019 John Rawlings

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

BORAGINACEAE

Cryptantha muricata
© 2021 R.A. Chasey
Cryptantha muricata
© 2019 Marisa Persaud
Cryptantha muricata
© 2019 Marisa Persaud

Cupressus abramsiana    Santa cruz cypress
native
Tree

CUPRESSACEAE

Cupressus abramsiana
© 2021 R.A. Chasey
Cupressus abramsiana
© 2021 R.A. Chasey
Cupressus abramsiana
© 2021 R.A. Chasey

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

CONVOLVULACEAE

Cuscuta subinclusa
© 2018 Ron Vanderhoff
Cuscuta subinclusa
© 2020 Ron Vanderhoff
Cuscuta subinclusa
© 2018 Ron Vanderhoff

Cynoglossum grande    Hound's tongue,  Western houndstongue,  Adelinia
native
Perennial herb

BORAGINACEAE

Cynoglossum grande
© 2022 David Strauch
Cynoglossum grande
© 2007 Steve Matson
Cynoglossum grande
© 2021 Dee Shea Himes

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

CYSTOPTERIDACEAE

Cystopteris fragilis
© 2020 Bob Sweatt
Cystopteris fragilis
© 2021 Mike Russler
Cystopteris fragilis
© 2023 Ken-ichi Ueda

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
© 2019 Diane Etchison
Daucus pusillus
© 2022 David Wolfson
Daucus pusillus
© 2021 Ken Lunders

Delphinium nudicaule    Canyon larkspur,  Red or Orange Larkspur,  Red larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium nudicaule
© 2006 Steve Matson
Delphinium nudicaule
© 2006 Steve Matson
Delphinium nudicaule
© 2024 Mary Ann Machi

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

Dendromecon rigida
© 2019 Eliezer Margolis
Dendromecon rigida
© 2010 Suzanne L. Weakley
Dendromecon rigida
© 2018 Hunter Breck

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides
© 2003 Steve Matson
Deschampsia danthonioides
© 2003 Steve Matson
Deschampsia danthonioides
© 2018 Emily Allen

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
© 2021 John Rawlings
Deschampsia elongata
© 2021 John Rawlings
Deschampsia elongata
© 2023 Robert Steers

Dicentra formosa    Pacific bleeding heart,  Pacific bleedinghearts
native
Perennial herb

PAPAVERACEAE

Dicentra formosa
© 2005 Steve Matson
Dicentra formosa
© 2005 Steve Matson
Dicentra formosa
© 2005 Steve Matson

Digitalis purpurea    Purple foxglove
invasive non-native
Perennial herb

PLANTAGINACEAE

Digitalis purpurea
© 2016 Steve Matson
Digitalis purpurea
© 2016 Steve Matson
Digitalis purpurea
© 2016 Steve Matson

Disporum hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Disporum hookeri
© 2021 Norma Solarz
Disporum hookeri
© 2021 Cara Wilcox
Disporum hookeri
© 2019 Stacie Wolny

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

POACEAE

Distichlis spicata
© 2020 Matt Berger
Distichlis spicata
© 2019 Ron Vanderhoff
Distichlis spicata
© 2022 Donald Burk

Dodecatheon hendersonii    Mosquito bill
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii
© 2016 Steve Matson
Dodecatheon hendersonii
© 2016 Steve Matson
Dodecatheon hendersonii
© 2020 BLM Redding Field Office

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

DRYOPTERIDACEAE

Dryopteris arguta
© 2023 Julia Markey
Dryopteris arguta
© 2019 Rebecca Crowe
Dryopteris arguta
© 2018 James Gonsman

Dudleya cymosa    Canyon dudleya,  Canyon liveforever,  Rock lettuce
native
Perennial herb

CRASSULACEAE

Dudleya cymosa
© 2019 Steve Matson
Dudleya cymosa
© 2019 Steve Matson
Dudleya cymosa
© 2020 Kristin Sabo

Dudleya farinosa    Bluff lettuce,  North coast dudleya,  Powdery liveforever
native
Perennial herb

CRASSULACEAE

Dudleya farinosa
© 2022 Mike Russler
Dudleya farinosa
© 2019 Amy Rapport
Dudleya farinosa
© 2019 Heather Morrison

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

Elymus glaucus
© 2020 Denise Defreese
Elymus glaucus
© 2019 Patrick Furtado
Elymus glaucus
© 2018 Cynthia Powell

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora
© 2022 Steve Matson
Emmenanthe penduliflora
© 2022 Steve Matson
Emmenanthe penduliflora
© 2022 Steve Matson

Epilobium canum    California fuchsia,  Hummingbird trumpet,  zauschneria
native
Perennial herb

ONAGRACEAE

Epilobium canum
© 2018 Ron Vanderhoff
Epilobium canum
© 2015 Gerald Carr
Epilobium canum
© 2015 Gerald Carr

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

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson

Epilobium ciliatum ssp. watsonii    Fringed willowherb,  Watson's willowherb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. watsonii
© 2017 David Greenberger
Epilobium ciliatum ssp. watsonii
© 2012 BOB CASE
Epilobium ciliatum ssp. watsonii
© 2021 Jamie Spielmann

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

ONAGRACEAE

Epilobium minutum
© 2017 Michael Mitchell
Epilobium minutum
© 2021 R.A. Chasey
Epilobium minutum
© 2019 Ken Lunders

Epipactis helleborine    Broadleaf helleborine
non-native
Perennial herb

ORCHIDACEAE

Epipactis helleborine
© 2020 Cara Wilcox
Epipactis helleborine
© 2019 Stacie Wolny
Epipactis helleborine
© 2022 David Strauch

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

EQUISETACEAE

Equisetum arvense
© 2022 Suzanne L. Weakley
Equisetum arvense
© 2021 Cynthia Powell
Equisetum arvense
© 2016 Cynthia Powell

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
© 2013 Michael Mitchell
Equisetum hyemale ssp. affine
© 2021 Ron Vanderhoff
Equisetum hyemale ssp. affine
© 2021 Ron Vanderhoff

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2022 Suzanne L. Weakley

Erechtites minima    Coastal burnweed
non-native
Annual, Perennial herb

ASTERACEAE

Erechtites minima
© 2012 Michael Mitchell
Erechtites minima
© 2012 Michael Mitchell
Erechtites minima
© 2012 Michael Mitchell

Eremocarpus setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus
© 2011 Steve Matson
Eremocarpus setigerus
© 2011 Steve Matson
Eremocarpus setigerus
© 2014 Richard Chasey

Ericameria arborescens    Golden fleece,  Goldenfleece
native
Shrub

ASTERACEAE

Ericameria arborescens
© 2019 Bryant Baker
Ericameria arborescens
© 2019 Bryant Baker
Ericameria arborescens
© 2015 Hayley Ross

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
© 2023 Toni Corelli
Erigeron glaucus
© 2019 James Gonsman
Erigeron glaucus
© 2018 Asa B Spade

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

NAMACEAE

Eriodictyon californicum
© 2023 Suzanne L. Weakley
Eriodictyon californicum
© 2022 BOB CASE
Eriodictyon californicum
© 2020 Julie A. Kierstead

Eriogonum latifolium    Coast buckwheat,  Coast eriogonum,  Seaside buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum latifolium
© 2016 Suzanne L. Weakley
Eriogonum latifolium
© 2021 Dylan Neubauer
Eriogonum latifolium
© 2019 Patrick Furtado

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

ASTERACEAE

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

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
© 2024 Steve Conger
Eriophyllum staechadifolium
© 2014 James Gonsman
Eriophyllum staechadifolium
© 2019 Mary Conway

Erodium botrys    Big heron bill,  Broad leaf filaree,  Long beaked filaree
non-native
Annual herb

GERANIACEAE

Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson

Erysimum franciscanum    Franciscan wallflower,  San francisco wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum franciscanum
© 2019 Patrick Furtado
Erysimum franciscanum
© 2018 Ken Lunders
Erysimum franciscanum
© 2019 Jane Huber

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
© 2019 Dee Shea Himes
Eschscholzia californica
© 2021 Ron Vanderhoff
Eschscholzia californica
© 2019 Amy Rapport

Euonymus occidentalis var. occidentalis    Western burning bush
native
Tree, Shrub

CELASTRACEAE

Euonymus occidentalis var. occidentalis
© 2021 Chris Brant
Euonymus occidentalis var. occidentalis
© 2019 Toni Corelli
Euonymus occidentalis var. occidentalis
© 2021 Chris Brant

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

ASTERACEAE

Euthamia occidentalis
© 2021 Steve Matson
Euthamia occidentalis
© 2018 Ron Vanderhoff
Euthamia occidentalis
© 2021 R.A. Chasey

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
© 2019 Justin Luong
Festuca californica
© 2022 Justin Luong
Festuca californica
© 2012 Aaron Arthur

Festuca occidentalis    Western fescue
native
Perennial grass

POACEAE

Festuca occidentalis
© 2011 Steve Matson
Festuca occidentalis
© 2011 Steve Matson
Festuca occidentalis
© 2011 Steve Matson

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
© 2019 Steve Matson
Filago californica
© 2019 Steve Matson
Filago californica
© 2019 Steve Matson

Fragaria chiloensis    Beach strawberry
native
Perennial herb

ROSACEAE

Fragaria chiloensis
© 2016 Teresa R Spade, AICP
Fragaria chiloensis
© 2019 Patrick Furtado
Fragaria chiloensis
© 2020 Carlos Davidson

Fragaria vesca    California strawberry,  Wild strawberry,  Wood strawberry
native
Perennial herb

ROSACEAE

Fragaria vesca
© 2020 Cara Wilcox
Fragaria vesca
© 2017 James Gonsman
Fragaria vesca
© 2022 Dee Shea Himes

Fremontodendro californicum ssp. californicum    Small Tree-Mallow


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

LILIACEAE

Fritillaria affinis var. affinis
© 2008 Steve Matson
Fritillaria affinis var. affinis
© 2008 Steve Matson
Fritillaria affinis var. affinis
© 2008 Steve Matson

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

RUBIACEAE

Galium aparine
© 2020 Ron Vanderhoff
Galium aparine
© 2005 Steve Matson
Galium aparine
© 2020 Ron Vanderhoff

Galium californicum ssp. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. californicum
© 2018 Ken Hickman
Galium californicum ssp. californicum
© 2017 Ken Hickman
Galium californicum ssp. californicum
© 2015 James Gonsman

Galium porrigens    Climbing bedstraw,  Graceful bedstraw,  Nuttall's bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens
© 2005 Steve Matson
Galium porrigens
© 2005 Steve Matson
Galium porrigens
© 2005 Steve Matson

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

RUBIACEAE

Galium triflorum
© 2022 Ken-ichi Ueda
Galium triflorum
© 2022 Ken-ichi Ueda
Galium triflorum
© 2018 Ken Hickman

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
© 2004 Michael Charters
Garrya elliptica
© 2020 John Rawlings
Garrya elliptica
© 2020 Eliezer Margolis

Gastridium ventricosum    Nit grass
non-native
Annual grass

POACEAE

Gastridium ventricosum
© 2020 Ron Vanderhoff
Gastridium ventricosum
© 2020 Ron Vanderhoff
Gastridium ventricosum
© 2017 Gary McDonald

Gaultheria shallon    Salal
native
Shrub

ERICACEAE

Gaultheria shallon
© 2016 Steve Matson
Gaultheria shallon
© 2016 Steve Matson
Gaultheria shallon
© 2016 Steve Matson

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

GERANIACEAE

Geranium dissectum
© 2021 Al Keuter
Geranium dissectum
© 2023 Ron Vanderhoff
Geranium dissectum
© 2014 Bryan Derr

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

POLEMONIACEAE

Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2021 Helen Hancock

Githopsis specularioides    Common bluecup,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Githopsis specularioides
© 2016 Steve Matson
Githopsis specularioides
© 2016 Steve Matson
Githopsis specularioides
© 2021 Mike Russler

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
© 2017 Gary McDonald
Gnaphalium stramineum
© 2017 Gary McDonald
Gnaphalium stramineum
© 2017 Gary McDonald

Goodyera oblongifolia    Rattlesnake plantain,  Western rattlesnake plantain
native
Perennial herb

ORCHIDACEAE

Goodyera oblongifolia
© 2020 Bob Sweatt
Goodyera oblongifolia
© 2019 Glenn Fine
Goodyera oblongifolia
© 2019 Julie A. Kierstead

Grindelia stricta var. angustifolia    Marsh gumplant,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. angustifolia
© 2021 Helen Hancock
Grindelia stricta var. angustifolia
© 2021 Toni Corelli
Grindelia stricta var. angustifolia
© 2014 James Gonsman

Guillenia lasiophylla    California mustard
native
Annual herb

BRASSICACEAE

Guillenia lasiophylla
© 2022 Steve Matson
Guillenia lasiophylla
© 2023 Steve Matson
Guillenia lasiophylla
© 2010 Steve Matson

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
© 2018 Amy Rapport
Helianthemum scoparium
© 2023 Ron Vanderhoff
Helianthemum scoparium
© 2022 R.A. Chasey

Hemitomes congestum    Coneplant,  Gnome plant
native
Perennial herb (mycoparasitic)

ERICACEAE

Hemitomes congestum
© 2022 Hunter Breck
Hemitomes congestum
© 2022 Hunter Breck
Hemitomes congestum
© 2019 Ken Hickman

Hemizonia corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Hemizonia corymbosa
© 2016 Michael Mitchell
Hemizonia corymbosa
© 2018 Zachariah Jordan
Hemizonia corymbosa
© 2015 Tim Miller

Heracleum lanatum    Common cow parsnip
native
Perennial herb

APIACEAE

Heracleum lanatum
© 2019 Bob Sweatt
Heracleum lanatum
© 2008 Neal Kramer
Heracleum lanatum
© 2021 Julie A. Kierstead

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
© 2015 James Gonsman
Heteromeles arbutifolia
© 2017 Gary McDonald
Heteromeles arbutifolia
© 2017 Gary McDonald

Heterotheca sessiliflora ssp. echioides    Bristly goldenaster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2018 Ron Vanderhoff

Heuchera micrantha    Alum root,  Crevice alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera micrantha
© 2008 Steve Matson
Heuchera micrantha
© 2008 Steve Matson
Heuchera micrantha
© 2008 Steve Matson

Hieracium albiflorum    White flowered hawkweed,  White hawkweed
native
Perennial herb

ASTERACEAE

Hieracium albiflorum
© 2003 Steve Matson
Hieracium albiflorum
© 2021 Doug Allshouse
Hieracium albiflorum
© 2020 Bob Sweatt

Hierochloe occidentalis    Califonria sweet grass,  Vanilla grass
native
Perennial grass

POACEAE

Hierochloe occidentalis
© 2024 Suzanne L. Weakley
Hierochloe occidentalis
© 2022 R.A. Chasey
Hierochloe occidentalis
© 2022 John Rawlings

Hoita orbicularis    Creeping leather root,  Round leaved psoralea,  Roundleaf leather root
native
Perennial herb

FABACEAE

Hoita orbicularis
© 2015 Tim Miller
Hoita orbicularis
© 2018 Hunter Breck
Hoita orbicularis
© 2019 Shane Hanofee

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

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
© 2017 Steve Matson
Holodiscus discolor
© 2017 Steve Matson
Holodiscus discolor
© 2022 Steve Matson

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

ASTERACEAE

Hypochaeris glabra
© 2020 Ron Vanderhoff
Hypochaeris glabra
© 2017 Gary McDonald
Hypochaeris glabra
© 2019 Ron Vanderhoff

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
© 2020 Susan McDougall
Iris douglasiana
© 2019 Patrick Furtado
Iris douglasiana
© 2022 Suzanne L. Weakley

Iris macrosiphon    Bowltube iris,  Ground iris,  Long tubed iris
native
Perennial herb

IRIDACEAE

Iris macrosiphon
© 2017 Steve Matson
Iris macrosiphon
© 2019 Steve Matson
Iris macrosiphon
© 2019 Steve Matson

Isopyrum occidentale    WESTERN RUE-ANEMONE,  Western false rue anemone
native
Perennial herb

RANUNCULACEAE

Isopyrum occidentale
© 2017 Steve Matson
Isopyrum occidentale
© 2017 Steve Matson
Isopyrum occidentale
© 2004 Steve Matson

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson

Juncus lesueurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lesueurii
© 2009 Toni Corelli
Juncus lesueurii
© 2008 Toni Corelli
Juncus lesueurii
© 2008 Toni Corelli

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2018 Emily Allen

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

JUNCACEAE

Juncus xiphioides
© 2016 Erik Larsen
Juncus xiphioides
© 2017 Ron Vanderhoff
Juncus xiphioides
© 2023 R.A. Chasey

Keckiella corymbosa    Red beardtongue,  Redwood keckiella
native
Shrub

PLANTAGINACEAE

Keckiella corymbosa
© 2021 Mary Ann Machi
Keckiella corymbosa
© 2019 David Greenberger
Keckiella corymbosa
© 2022 Ryan O'Dell

Lasthenia californica    California goldfields,  Common goldfields,  Valley goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica
© 2017 David Greenberger
Lasthenia californica
© 2020 Susan White
Lasthenia californica
© 2017 MCOSD EDRR

Lathyrus odoratus    Common sweet pea,  Garden sweet pea,  Sweetpea
non-native
Annual herb

FABACEAE

Lathyrus odoratus
© 2017 danielle noe
Lathyrus odoratus
© 2022 Ron Vanderhoff
Lathyrus odoratus
© 2022 Ron Vanderhoff

Lathyrus torreyi    Redwood pea,  Torrey's pea
native
Perennial herb

FABACEAE

Lathyrus torreyi
© 2018 Hayley Ross
Lathyrus torreyi
© 2018 Hayley Ross
Lathyrus torreyi
© 2019 Jon Thompson

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

FABACEAE

Lathyrus vestitus var. vestitus
© 2023 Steve Conger
Lathyrus vestitus var. vestitus
© 2022 Charles Russell
Lathyrus vestitus var. vestitus
© 2015 Chris Jaster

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
© 2020 Janice Kuch
Lepechinia calycina
© 2024 Ben Spencer-Cooke
Lepechinia calycina
© 2023 Mike Russler

Leymus mollis ssp. mollis    American dune grass, sea lyme grass
native
Perennial grass

POACEAE

Leymus mollis ssp. mollis
© 2021 Ramona Robison
Leymus mollis ssp. mollis
© 2021 Ramona Robison
Leymus mollis ssp. mollis
© 2009 Toni Corelli

native
Perennial herb

LILIACEAE

Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson
Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson
Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson

Linanthus androsaceus    False babystars
native
Annual herb

POLEMONIACEAE

Linanthus androsaceus
© 2010 Jeffrey Hapeman
Linanthus androsaceus
© 2020 R.A. Chasey
Linanthus androsaceus
© 2014 James Gonsman

native
Annual herb

POLEMONIACEAE

Linanthus pygmaeus ssp. continentalis
© 2019 Steve Matson
Linanthus pygmaeus ssp. continentalis
© 2019 Steve Matson
Linanthus pygmaeus ssp. continentalis
© 2019 Steve Matson

native
Tree, Shrub

FAGACEAE

Lithocarpus densiflorus var. densiflorus
© 2020 R.A. Chasey
Lithocarpus densiflorus var. densiflorus
© 2022 David popp
Lithocarpus densiflorus var. densiflorus
© 2020 Susan McDougall

Lithophragma affine    Common woodland star,  San Francisco woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
© 2019 David Greenberger
Lithophragma heterophyllum
© 2019 David Magney
Lithophragma heterophyllum
© 2018 Ken Lunders

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

APIACEAE

Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
© 2021 John Game
Lomatium macrocarpum
© 2023 R.A. Chasey
Lomatium macrocarpum
© 2023 R.A. Chasey

Lonicera hispidula var. vacillans    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula var. vacillans
© 2022 Suzanne L. Weakley
Lonicera hispidula var. vacillans
© 2021 Cara Wilcox
Lonicera hispidula var. vacillans
© 2018 Diana Wahl

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

CAPRIFOLIACEAE

Lonicera involucrata
© 2021 Suzanne L. Weakley
Lonicera involucrata
© 2020 Susan McDougall
Lonicera involucrata
© 2020 Camille Nowell

Lotus crassifolius var. crassifolius    Broad leaved lotus
native
Perennial herb

FABACEAE

Lotus crassifolius var. crassifolius
© 2015 Steve Matson
Lotus crassifolius var. crassifolius
© 2015 Steve Matson
Lotus crassifolius var. crassifolius
© 2015 Steve Matson

Lotus humistratus    hill lotus
native
Annual herb

FABACEAE

Lotus humistratus
© 2005 Steve Matson
Lotus humistratus
© 2005 Steve Matson
Lotus humistratus
© 2018 Steve Matson

Lotus junceus    Rush lotus
native
Perennial herb

FABACEAE

Lotus junceus
© 2016 John Doyen
Lotus junceus
© 2021 Toni Corelli
Lotus junceus
© 2016 John Doyen

Lotus micranthus    Hill lotus
native
Annual herb

FABACEAE

Lotus micranthus
© 2008 Steve Matson
Lotus micranthus
© 2005 Steve Matson
Lotus micranthus
© 2008 Steve Matson

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

FABACEAE

Lotus purshianus var. purshianus
© 2015 Steve Matson
Lotus purshianus var. purshianus
© 2015 Steve Matson
Lotus purshianus var. purshianus
© 2015 Steve Matson

Lotus scoparius    Deerweed
native
Perennial herb

FABACEAE

Lotus scoparius
© 2021 Ron Vanderhoff
Lotus scoparius
© 2019 Diane Etchison
Lotus scoparius
© 2020 Ron Vanderhoff

Lotus wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

Lotus wrangelianus
© 2016 Steve Matson
Lotus wrangelianus
© 2016 Steve Matson
Lotus wrangelianus
© 2016 Steve Matson

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
© 2019 Patrick Furtado
Lupinus arboreus
© 2014 Steve Matson
Lupinus arboreus
© 2020 Steve Matson

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
© 2016 Steve Matson
Lupinus nanus
© 2016 Steve Matson
Lupinus nanus
© 2016 Steve Matson

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

JUNCACEAE

Luzula comosa
© 2019 Matt Berger
Luzula comosa
© 2021 Steve Matson
Luzula comosa
© 2021 Steve Matson

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
© 2021 Jamie Spielmann
Madia elegans
© 2021 Mike Russler
Madia elegans
© 2020 Diane Etchison

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

ASTERACEAE

Madia exigua
© 2023 Dianne Lake
Madia exigua
© 2023 Ron Vanderhoff
Madia exigua
© 2021 Helen Hancock

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

ASTERACEAE

Madia gracilis
© 2022 Mike Russler
Madia gracilis
© 2021 Amber Bedgood
Madia gracilis
© 2019 Ron Vanderhoff

Madia madioides    Woodland madia
native
Perennial herb

ASTERACEAE

Madia madioides
© 2023 Suzanne L. Weakley
Madia madioides
© 2023 R.A. Chasey
Madia madioides
© 2016 Cynthia Powell

Malacothamnus fasciculatus    Chaparral bushmallow,  Southern coastal bushmallow
native
Shrub

MALVACEAE

Malacothamnus fasciculatus
© 2020 Aaron Echols
Malacothamnus fasciculatus
© 2020 Ron Vanderhoff
Malacothamnus fasciculatus
© 2017 David Magney

Malus sylvestris    Paradise apple
non-native
Tree

ROSACEAE

Malus sylvestris
© 2014 Ramona Robison
Malus sylvestris
© 2018 Angelique Herman
Malus sylvestris
© 2005 Louis-M. Landry

Marah fabaceus    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabaceus
© 2018 Gary McDonald
Marah fabaceus
© 2018 MCOSD EDRR
Marah fabaceus
© 2021 Cyril Guyot

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
© 2013 Gary McDonald
Marrubium vulgare
© 2015 Diane Etchison
Marrubium vulgare
© 2018 Nancy Hamlett

Meconella californica    California fairypoppy,  California meconella
native
Annual herb

PAPAVERACEAE

Meconella californica
© 2021 Karen Swift
Meconella californica
© 2016 Bob Case
Meconella californica
© 2017 David Greenberger

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

POACEAE

Melica imperfecta
© 2020 Ron Vanderhoff
Melica imperfecta
© 2021 Ron Vanderhoff
Melica imperfecta
© 2020 Ron Vanderhoff

Melica torreyana    Torrey melic,  Torrey's melica,  Torrey's melicgrass
native
Perennial grass

POACEAE

Melica torreyana
© 2021 Toni Corelli
Melica torreyana
© 2019 John Rawlings
Melica torreyana
© 2017 MCOSD Restoration Crew

Metasequoia glyptostroboides    Dawn redwood
non-native
Tree

CUPRESSACEAE

Metasequoia glyptostroboides
© 2022 David popp
Metasequoia glyptostroboides
© 2017 Gregory Arena
Metasequoia glyptostroboides
© 2017 Gregory Arena

Mimulus aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus
© 2019 Gary McDonald

Mimulus douglasii    Purple mouse ears
native
Annual herb

PHRYMACEAE

Mimulus douglasii
© 2023 Timothy Boomer
Mimulus douglasii
© 2023 Timothy Boomer
Mimulus douglasii
© 2023 Timothy Boomer

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

PHRYMACEAE

Mimulus guttatus
© 2019 Stacie Wolny
Mimulus guttatus
© 2015 James Gonsman
Mimulus guttatus
© 2019 Stacie Wolny

Mimulus moschatus    Musk monkeyflower
native
Perennial herb

PHRYMACEAE

Mimulus moschatus
© 2014 James Gonsman
Mimulus moschatus
© 2019 Matt Berger
Mimulus moschatus
© 2018 Julie Kierstead Nelson

Minuartia douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia douglasii
© 2022 Steve Matson
Minuartia douglasii
© 2019 Stacie Wolny
Minuartia douglasii
© 2021 R.A. Chasey

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa
© 2020 Mary Sue Ittner
Monardella villosa
© 2019 Patrick Furtado
Monardella villosa
© 2019 Patricia Ashe

Montia parvifolia    Littleleaf minerslettuce,  Showy rock montia
native
Perennial herb

MONTIACEAE

Montia parvifolia
© 2023 Steve Conger
Montia parvifolia
© 2017 Steve Matson
Montia parvifolia
© 2017 Steve Matson

Myrica californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Myrica californica
© 2019 Michelle Karle
Myrica californica
© 2020 Kim Cabera
Myrica californica
© 2020 Susan McDougall

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides
© 2019 Diane Etchison
Navarretia atractyloides
© 2010 George Butterworth
Navarretia atractyloides
© 2019 Ken Hickman

Navarretia mellita    Honeyscented pincushionplant,  Skunk navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mellita
© 2019 Steve Matson
Navarretia mellita
© 2019 Steve Matson
Navarretia mellita
© 2019 Steve Matson

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
© 2024 Mike Russler
Navarretia squarrosa
© 2019 Patrick Furtado
Navarretia squarrosa
© 2022 Suzanne L. Weakley

Nemophila parviflora var. parviflora    Small flowered nemophila,  Smallflower nemophila,  Woodland nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila parviflora var. parviflora
© 2019 John Rawlings
Nemophila parviflora var. parviflora
© 2021 Zoya Akulova-Barlow
Nemophila parviflora var. parviflora
© 2023 Dana York

Nuphar luteum ssp. polysepalum    Indian pond lily,  Rocky mountain pond lily,  Yellow pond lily
native
Perennial herb (aquatic)

NYMPHAEACEAE

Nuphar luteum ssp. polysepalum
© 2016 mark kircher
Nuphar luteum ssp. polysepalum
© 2005 Lisa Powers
Nuphar luteum ssp. polysepalum
© 2016 mark kircher

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
© 2019 Margo Bors
Oemleria cerasiformis
© 2019 Stacie Wolny
Oemleria cerasiformis
© 2023 David Wolfson

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
© 2021 Don Hollander
Oenanthe sarmentosa
© 2021 Ron Vanderhoff
Oenanthe sarmentosa
© 2021 Rosaleen

Orobanche bulbosa    Chaparral broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche bulbosa
© 2022 Hunter Breck
Orobanche bulbosa
© 2019 David Greenberger
Orobanche bulbosa
© 2022 R.A. Chasey

Orobanche fasciculata    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata
© 2016 Jim Xerogeanes
Orobanche fasciculata
© 2016 Jim Xerogeanes
Orobanche fasciculata
© 2023 Mary Ann Machi

Orobanche uniflora    Purple broomrape

Annual herb

OROBANCHACEAE

Orobanche uniflora
© 2022 Helen Hancock
Orobanche uniflora
© 2023 Katie O'Hara-Kelly
Orobanche uniflora
© 2022 Dana York

Osmorhiza chilensis    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza chilensis
© 2006 Steve Matson
Osmorhiza chilensis
© 2006 Steve Matson
Osmorhiza chilensis
© 2006 Steve Matson

Oxalis oregana    Redwood sorrel
native
Perennial herb

OXALIDACEAE

Oxalis oregana
© 2021 Caitlyn Allchin
Oxalis oregana
© 2021 Steve Matson
Oxalis oregana
© 2021 Steve Matson

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

OROBANCHACEAE

Pedicularis densiflora
© 2015 Dee Warenycia
Pedicularis densiflora
© 2019 Jason Mills
Pedicularis densiflora
© 2017 Joshua Borkowski

Penstemon rattanii var. kleei    Santa cruz mtns. beardtongue
rare native
Perennial herb

PLANTAGINACEAE

Penstemon rattanii var. kleei
© 2024 William Blaker
Penstemon rattanii var. kleei
© 2024 William Blaker
Penstemon rattanii var. kleei
© 2024 William Blaker

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2019 Gary McDonald

Perideridia gairdneri    Gairdner's yampah,  Gardner's yampah
native
Perennial herb

APIACEAE

Perideridia gairdneri
© 2023 Cynthia Powell
Perideridia gairdneri
© 2021 Larry Dizmang
Perideridia gairdneri
© 2021 Mary Conway

Petasites frigidus var. palmatus    Arctic sweet coltsfoot,  Western coltsfoot
native
Perennial herb

ASTERACEAE

Petasites frigidus var. palmatus
© 2016 Steve Matson
Petasites frigidus var. palmatus
© 2016 Steve Matson
Petasites frigidus var. palmatus
© 2019 Steve Conger

Phacelia malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia malvifolia
© 2018 Michael Mitchell
Phacelia malvifolia
© 2022 Jennifer Mo
Phacelia malvifolia
© 2013 Toni Corelli

Phacelia suaveolens var. suaveolens    Sweet scented phacelia,  Sweetscented phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia suaveolens var. suaveolens
© 2019 Ken Hickman
Phacelia suaveolens var. suaveolens
© 2022 R.A. Chasey
Phacelia suaveolens var. suaveolens
© 2016 Cindy Roessler

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
© 2022 David popp
Phoradendron villosum
© 2020 R.A. Chasey
Phoradendron villosum
© 2021 R.A. Chasey

Pickeringia montana var. montana    Montana chaparral pea
native
Shrub

FABACEAE

Pickeringia montana var. montana
© 2022 Ron Vanderhoff
Pickeringia montana var. montana
© 2022 Ron Vanderhoff
Pickeringia montana var. montana
© 2022 Ron Vanderhoff

Pinus attenuata    Knobcone pine,  Scrub pine
native
Tree

PINACEAE

Pinus attenuata
© 2009 Ron Vanderhoff
Pinus attenuata
© 2018 Hayley Ross
Pinus attenuata
© 2019 Cynthia Powell

Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
© 2011 Toni Corelli
Pinus radiata
© 2012 Michael Mitchell
Pinus radiata
© 2012 Michael Mitchell

Piperia candida    White flowered rein orchid,  Whiteflower rein orchid
rare native
Perennial herb

ORCHIDACEAE

Piperia candida
© 2019 Peter Warner
Piperia candida
© 2012 Raymond Prothero
Piperia candida
© 2019 Peter Warner

Piperia elegans    Coast piperia,  Elegant piperia,  Elegant rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elegans
© 2018 Alexandra Kookootsedes
Piperia elegans
© 2023 Steve Conger
Piperia elegans
© 2022 Hunter Breck

Piperia transversa    Mountain piperia,  Royal rein orchid,  Flat Spurred Piperia
native
Perennial herb

ORCHIDACEAE

Piperia transversa
© 2015 Steve Matson
Piperia transversa
© 2015 Steve Matson
Piperia transversa
© 2005 Keir Morse

Plagiobothrys chorisianus var. hickmanii    Hickman's popcorn flower,  Hickman's popcornflower
rare native
Annual herb

BORAGINACEAE

Plagiobothrys chorisianus var. hickmanii
© 2022 Steven Mills Glascock
Plagiobothrys chorisianus var. hickmanii
© 2023 Ellen Uhler
Plagiobothrys chorisianus var. hickmanii
© 2022 Irene Rosen

Plagiobothrys collinus var. californicus    California popcorn flower,  Cooper's popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys collinus var. californicus
© 2023 Ron Vanderhoff
Plagiobothrys collinus var. californicus
© 2019 Ron Vanderhoff
Plagiobothrys collinus var. californicus
© 2021 Ron Vanderhoff

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

PLANTAGINACEAE

Plantago erecta
© 2008 Steve Matson
Plantago erecta
© 2022 Steve Matson
Plantago erecta
© 2022 Steve Matson

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

PLANTAGINACEAE

Plantago lanceolata
© 2017 Gary McDonald
Plantago lanceolata
© 2019 Joe Engelbrecht
Plantago lanceolata
© 2021 Ken Lunders

Plantago maritima    Alkali plantain,  Goose tongue,  Maritime plantain
native
Perennial herb

PLANTAGINACEAE

Plantago maritima
© 2018 Adam Chasey
Plantago maritima
© 2021 Jamie Spielmann
Plantago maritima
© 2020 Ken Hickman

Plectritis congesta    Sea blush,  Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta
© 2023 Helen Hancock
Plectritis congesta
© 2023 Catherine Chang
Plectritis congesta
© 2023 Helen Hancock

Pleuricospora fimbriolata    Fringed pinesap
native
Perennial herb (mycoparasitic)

ERICACEAE

Pleuricospora fimbriolata
© 2016 Steve Matson
Pleuricospora fimbriolata
© 2016 Steve Matson
Pleuricospora fimbriolata
© 2020 R.A. Chasey

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

POACEAE

Poa annua
© 2021 Ron Vanderhoff
Poa annua
© 2022 John Rawlings
Poa annua
© 2015 Richard Chasey

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

POACEAE

Poa howellii
© 2018 Ken Hickman
Poa howellii
© 2020 Ken Hickman
Poa howellii
© 2020 Ken Hickman

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

POACEAE

Poa secunda ssp. secunda
© 2018 Ron Vanderhoff
Poa secunda ssp. secunda
© 2018 Ron Vanderhoff
Poa secunda ssp. secunda
© 2018 Ron Vanderhoff

Polygala californica    California Milkwort
native
Perennial herb

POLYGALACEAE

Polygala californica
© 2020 Janice Kuch
Polygala californica
© 2021 Larry Dizmang
Polygala californica
© 2020 David Wolfson

Polygonum punctatum    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Polygonum punctatum
© 2018 Ron Vanderhoff
Polygonum punctatum
© 2018 Ron Vanderhoff
Polygonum punctatum
© 2022 Helen Hancock

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
© 2020 Ron Vanderhoff
Polypodium californicum
© 2021 Ron Vanderhoff
Polypodium californicum
© 2023 Keir Morse

Polypodium scouleri    Leather fern,  Leather leaf fern,  Leathery polypody
native
Fern

POLYPODIACEAE

Polypodium scouleri
© 2018 Gregory Arena
Polypodium scouleri
© 2021 R.A. Chasey
Polypodium scouleri
© 2022 David Strauch

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
© 2008 Steve Matson
Polypogon monspeliensis
© 2014 Steve Matson
Polypogon monspeliensis
© 2008 Steve Matson

Polystichum californicum    California sword fern,  California swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum californicum
© 2023 R.A. Chasey
Polystichum californicum
© 2021 R.A. Chasey
Polystichum californicum
© 2024 R.A. Chasey

Polystichum dudleyi    Dudley's sword fern,  Dudley's swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum dudleyi
© 2021 John Rawlings
Polystichum dudleyi
© 2019 Joerg Lohse
Polystichum dudleyi
© 2023 R.A. Chasey

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
© 2021 Julie A. Kierstead
Polystichum munitum
© 2022 Jerry Murray
Polystichum munitum
© 2011 Toni Corelli

Populus balsamifera ssp. trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa
© 2019 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
© 2012 Steve Matson
Populus balsamifera ssp. trichocarpa
© 2012 Steve Matson

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
© 2022 R.A. Chasey
Potentilla anserina ssp. pacifica
© 2021 Charles Russell
Potentilla anserina ssp. pacifica
© 2022 R.A. Chasey

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

PINACEAE

Pseudotsuga menziesii var. menziesii
© 2020 David Krause
Pseudotsuga menziesii var. menziesii
© 2022 David popp
Pseudotsuga menziesii var. menziesii
© 2024 David popp

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
© 2022 Bob Sweatt

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2005 Steve Matson

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

ERICACEAE

Pyrola picta
© 2015 Steve Matson
Pyrola picta
© 2015 Steve Matson
Pyrola picta
© 2015 Steve Matson

Quercus agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia
© 2019 Patrick Furtado
Quercus agrifolia
© 2022 Andy Ford
Quercus agrifolia
© 2018 Marcyn Del Clements

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 dumosa    Coastal sage scrub oak,  Nuttall's scrub oak
rare native
Shrub

FAGACEAE

Quercus dumosa
© 2023 Ron Vanderhoff
Quercus dumosa
© 2022 Ron Vanderhoff
Quercus dumosa
© 2012 Ron Vanderhoff

Quercus wislizenii    Interior live oak,  chapparal oak
native
Tree, Shrub

FAGACEAE

Quercus wislizenii
© 2019 Ron Vanderhoff
Quercus wislizenii
© 2019 Ron Vanderhoff
Quercus wislizenii
© 2019 Barbara Brydolf

Rhamnus californica    California coffeeberry
native
Shrub

RHAMNACEAE

Rhamnus californica
© 2015 Steve Matson
Rhamnus californica
© 2016 Steve Matson
Rhamnus californica
© 2015 Steve Matson

Rhododendron macrophyllum    California rose bay,  Coast rhododendron,  Pacific rhododendron
native
Shrub

ERICACEAE

Rhododendron macrophyllum
© 2017 Steve Matson
Rhododendron macrophyllum
© 2020 Aaron Echols
Rhododendron macrophyllum
© 2017 Steve Matson

Rhododendron occidentale    Western azalea
native
Tree, Shrub

ERICACEAE

Rhododendron occidentale
© 2019 David Greenberger
Rhododendron occidentale
© 2015 Steve Matson
Rhododendron occidentale
© 2020 Julie A. Kierstead

Ribes divaricatum    Spreading gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum
© 2012 Terrence Gosliner
Ribes divaricatum
© 2022 Dee Shea Himes
Ribes divaricatum
© 2017 Gregory Arena

Ribes menziesii    Canyon gooseberry,  Gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii
© 2019 Michael Mitchell
Ribes menziesii
© 2016 Steve Matson
Ribes menziesii
© 2016 Steve Matson

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 John Rusk
Ribes sanguineum var. glutinosum
© 2018 Hunter Breck

Romanzoffia californica    California romanzoffia
native
Perennial herb

HYDROPHYLLACEAE

Romanzoffia californica
© 2024 Steve Conger
Romanzoffia californica
© 2024 Mary Ann Machi
Romanzoffia californica
© 2024 Dana York

Rorippa nasturtium-aquat    Small Tree-Mallow


Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2021 Sue Graue

Rosa gymnocarpa    Dwarf rose,  Baldhip rose
native
Shrub

ROSACEAE

Rosa gymnocarpa
© 2012 Michael Mitchell
Rosa gymnocarpa
© 2012 Michael Mitchell
Rosa gymnocarpa
© 2017 David popp

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
© 2021 David Gowen
Rosa spithamea
© 1973 Geoff Burleigh
Rosa spithamea
© 2020 David Krause

Rubus parviflorus    Western thimbleberry,  Thimbleberry
native
Vine, Shrub

ROSACEAE

Rubus parviflorus
© 2022 Zoya Akulova-Barlow
Rubus parviflorus
© 2020 Mary Sue Ittner
Rubus parviflorus
© 2019 Patrick Furtado

Rubus spectabilis    Salmon berry,  Salmonberry
native
Shrub

ROSACEAE

Rubus spectabilis
© 2017 James Gonsman
Rubus spectabilis
© 2022 Zoya Akulova-Barlow
Rubus spectabilis
© 2016 Steve Matson

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
© 2018 Ken Lunders
Rubus ursinus
© 2019 Ron Vanderhoff
Rubus ursinus
© 2015 Kelli Kallenborn

Rumex salicifolius var. crassus    Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. crassus
© 2019 Patrick Furtado
Rumex salicifolius var. crassus
© 2008 Toni Corelli
Rumex salicifolius var. crassus
© 2021 Cynthia Powell

Sagina decumbens ssp. occidentalis    Western pearlwort
native
Annual herb

CARYOPHYLLACEAE

Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff
Sagina decumbens ssp. occidentalis
© 2019 Ron Vanderhoff

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
© 2017 Steve Matson
Salix laevigata
© 2019 Barbara Brydolf
Salix laevigata
© 2022 Mark Gary

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2020 Steve Matson

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

SALICACEAE

Salix scouleriana
© 2016 David popp
Salix scouleriana
© 2022 John Rawlings
Salix scouleriana
© 2012 Steve Matson

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
© 2017 Steve Matson
Salvia mellifera
© 2022 Suzanne L. Weakley
Salvia mellifera
© 2019 Diane Etchison

Sambucus mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus mexicana
© 2021 Mike Russler
Sambucus mexicana
© 2020 Diane Etchison
Sambucus mexicana
© 2022 El Byrne

Sambucus racemosa var. racemosa    Pacific red elderberry
native
Shrub

VIBURNACEAE

Sambucus racemosa var. racemosa
© 2021 R.A. Chasey
Sambucus racemosa var. racemosa
© 2017 James Gonsman
Sambucus racemosa var. racemosa
© 2014 James Gonsman

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

APIACEAE

Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2021 Steve Laymon

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Satureja douglasii
© 2019 Gary McDonald
Satureja douglasii
© 2012 Gary McDonald
Satureja douglasii
© 2012 Gary McDonald

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica
© 2016 Steve Matson
Saxifraga californica
© 2016 Steve Matson
Saxifraga californica
© 2016 Steve Matson

native
Perennial grasslike herb

CYPERACEAE

Scirpus acutus var. occidentalis
© 2019 Steve Matson
Scirpus acutus var. occidentalis
© 2019 Steve Matson
Scirpus acutus var. occidentalis
© 2019 Steve Matson

Scirpus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus americanus
© 2021 Ron Vanderhoff
Scirpus americanus
© 2016 Joan Hampton
Scirpus americanus
© 2020 Ron Vanderhoff

Scirpus californicus    California bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus californicus
© 2022 John Rawlings
Scirpus californicus
© 2022 John Rawlings
Scirpus californicus
© 2021 Ron Vanderhoff

Scirpus cernuus    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Scirpus cernuus
© 2021 R.A. Chasey
Scirpus cernuus
© 2023 R.A. Chasey
Scirpus cernuus
© 2018 Ron Vanderhoff

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

CYPERACEAE

Scirpus microcarpus
© 2022 Doug Allshouse
Scirpus microcarpus
© 2008 Steve Matson
Scirpus microcarpus
© 2013 Ron Vanderhoff

Scoliopus bigelovii    California fetid adderstongue,  Fetid adder's tongue,  Slink pod
native
Perennial herb

LILIACEAE

Scoliopus bigelovii
© 2020 Timothy Boomer
Scoliopus bigelovii
© 2019 Paul Hankamp
Scoliopus bigelovii
© 2023 Mary Ann Machi

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica
© 2020 Bob Sweatt
Scrophularia californica
© 2006 Steve Matson
Scrophularia californica
© 2019 Cynthia Powell

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
© 2006 Steve Matson
Scutellaria tuberosa
© 2006 Steve Matson
Scutellaria tuberosa
© 2006 Steve Matson

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

CRASSULACEAE

Sedum spathulifolium
© 2021 Steve Matson
Sedum spathulifolium
© 2021 Steve Matson
Sedum spathulifolium
© 2023 R.A. Chasey

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

ASTERACEAE

Senecio aronicoides
© 2020 Helen Hancock
Senecio aronicoides
© 2008 Steve Matson
Senecio aronicoides
© 2020 Julie A. Kierstead

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

ASTERACEAE

Senecio flaccidus var. douglasii
© 2018 Richard Spjut
Senecio flaccidus var. douglasii
© 2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
© 2023 Helen Hancock

Sequoia sempervirens    Coast redwood
native
Tree

CUPRESSACEAE

Sequoia sempervirens
© 2019 Patrick Furtado
Sequoia sempervirens
© 2022 David Strauch
Sequoia sempervirens
© 2019 R.A. Chasey

Silene antirrhina    Sleepy catch fly,  Sleepy catchfly,  Sleepy silene
native
Annual herb

CARYOPHYLLACEAE

Silene antirrhina
© 2019 Ken Hickman
Silene antirrhina
© 2019 Ken Hickman
Silene antirrhina
© 2023 Matt Berger

Silene verecunda ssp. verecunda    Dolores campion,  San francisco campion
rare native
Perennial herb

CARYOPHYLLACEAE

Silene verecunda ssp. verecunda
© 2021 Dylan Neubauer
Silene verecunda ssp. verecunda
© 2014 Toni Corelli
Silene verecunda ssp. verecunda
© 2012 Michael Perlmutter

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
© 2024 Steve Conger
Sisyrinchium bellum
© 2024 Ron Vanderhoff
Sisyrinchium bellum
© 2019 Stacie Wolny

Smilacina racemosa    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina racemosa
© 2020 Bob Sweatt
Smilacina racemosa
© 2018 Steve Matson
Smilacina racemosa
© 2019 Cynthia Powell

Smilacina stellata    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina stellata
© 2003 Steve Matson
Smilacina stellata
© 2003 Steve Matson
Smilacina stellata
© 2003 Steve Matson

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson

Solidago californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago californica
© 2013 Steve Matson
Solidago californica
© 2008 Steve Matson
Solidago californica
© 2008 Steve Matson

Soliva sessilis    Common soliva,  Field burrweed,  South american soliva
non-native
Annual herb

ASTERACEAE

Soliva sessilis
© 2022 Diana Wahl
Soliva sessilis
© 2019 Abbot Chambers
Soliva sessilis
© 2019 Abbot Chambers

Spartina foliosa    California cord grass,  California cordgrass,  Pacific cordgrass
native
Perennial grass

POACEAE

Spartina foliosa
© 2019 Patrick Furtado
Spartina foliosa
© 2017 MCOSD EDRR
Spartina foliosa
© 2021 Jutta Burger

Stachys ajugoides var. rigida    Mexican hedgenettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida
© 2023 Mary Ann Machi
Stachys ajugoides var. rigida
© 2016 Steve Matson
Stachys ajugoides var. rigida
© 2016 Steve Matson

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

LAMIACEAE

Stachys bullata
© 2014 Steve Matson
Stachys bullata
© 2014 Steve Matson
Stachys bullata
© 2014 Steve Matson

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

CARYOPHYLLACEAE

Stellaria nitens
© 2022 Catherine Chang
Stellaria nitens
© 2022 Catherine Chang
Stellaria nitens
© 2020 Ken Hickman

Symphoricarpos albus var. laevigatus    Common snowberry,  Upright snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus var. laevigatus
© 2020 Jacob Smith
Symphoricarpos albus var. laevigatus
© 2020 Jacob Smith
Symphoricarpos albus var. laevigatus
© 2021 Mike Russler

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

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

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

ASTERACEAE

Taraxacum officinale
© 2021 Ron Vanderhoff
Taraxacum officinale
© 2019 Diane Etchison
Taraxacum officinale
© 2021 Ron Vanderhoff

Thysanocarpus laciniatus    Common lace pod,  Mountain fringepod,  Narrow leaved fringe pod
native
Annual herb

BRASSICACEAE

Thysanocarpus laciniatus
© 2021 Helen Hancock
Thysanocarpus laciniatus
© 2021 R.A. Chasey
Thysanocarpus laciniatus
© 2021 Helen Hancock

Tiarella trifoliata var. unifoliata    Oneleaf foamflower,  Sugarscoop
native
Perennial herb

SAXIFRAGACEAE

Tiarella trifoliata var. unifoliata
© 2016 Steve Matson
Tiarella trifoliata var. unifoliata
© 2016 Steve Matson
Tiarella trifoliata var. unifoliata
© 2006 Keir Morse

Torreya californica    California nutmeg,  California torreya
native
Tree

TAXACEAE

Torreya californica
© 2022 SPI Botany
Torreya californica
© 2020 Ken Hickman
Torreya californica
© 2022 Jenell Jackson

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
© 2020 Ron Vanderhoff
Toxicodendron diversilobum
© 2019 Randy Huey
Toxicodendron diversilobum
© 2021 Bryant Baker

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
© 2018 Ron Vanderhoff
Trichostema lanceolatum
© 2016 Nathan Mudry
Trichostema lanceolatum
© 2019 Aaron Echols

Trientalis latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Trientalis latifolia
© 2008 Steve Matson
Trientalis latifolia
© 2016 Steve Matson
Trientalis latifolia
© 2024 Ben Spencer-Cooke

Trifolium albopurpureum var. dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium albopurpureum var. dichotomum
© 2023 Helen Hancock
Trifolium albopurpureum var. dichotomum
© 2022 Helen Hancock
Trifolium albopurpureum var. dichotomum
© 2023 Helen Hancock

native
Annual herb

FABACEAE

Trifolium barbigerum var. andrewsii
© 2023 Matt Berger
Trifolium barbigerum var. andrewsii
© 2007 Toni Corelli
Trifolium barbigerum var. andrewsii
© 2023 Matt Berger

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
© 2020 Diane Etchison
Trifolium ciliolatum
© 2015 Diane Etchison
Trifolium ciliolatum
© 2019 Ron Vanderhoff

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
© 2005 Steve Matson
Trifolium microcephalum
© 2016 Michael Mitchell
Trifolium microcephalum
© 2019 Ron Vanderhoff

Trifolium oliganthum    Few flowered clover,  Fewflower clover,  Minitomcat clover
native
Annual herb

FABACEAE

Trifolium oliganthum
© 2023 Helen Hancock
Trifolium oliganthum
© 2022 Mary Merriman
Trifolium oliganthum
© 2023 R.A. Chasey

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
© 2008 Steve Matson
Trifolium subterraneum
© 2008 Steve Matson
Trifolium subterraneum
© 2017 Steve Matson

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
© 2022 Steve Matson
Trifolium variegatum
© 2017 Michael Mitchell
Trifolium variegatum
© 2019 Diane Etchison

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2018 Stacie Wolny

Trillium chloropetalum    Common trillium,  Giant wakerobin,  Trillium
native
Perennial herb

MELANTHIACEAE

Trillium chloropetalum
© 2024 Karen Swift
Trillium chloropetalum
© 2024 Cynthia Powell
Trillium chloropetalum
© 2023 Hunter Breck

Trillium ovatum    Pacific trillium,  Wake robin,  Western trillium
native
Perennial herb

MELANTHIACEAE

Trillium ovatum
© 2017 Steve Matson
Trillium ovatum
© 2017 Steve Matson
Trillium ovatum
© 2017 Steve Matson

Triodanis biflora    Venus looking glass,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Triodanis biflora
© 2020 Ken Hickman
Triodanis biflora
© 2015 Hayley Ross
Triodanis biflora
© 2018 Ken Hickman

Trisetum cernuum    Nodding oatgrass,  Nodding trisetum
native
Perennial grass

POACEAE

Trisetum cernuum
© 2019 Kimberly Moses
Trisetum cernuum
© 2019 Kimberly Moses
Trisetum cernuum
© 2011 Steve Matson

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
© 2018 Gary McDonald
Triteleia laxa
© 2018 Tim Lewis
Triteleia laxa
© 2019 Matt Berger

Typha angustifolia    Nail rod,  Narrow leaf cattail,  Narrowleaf cattail
non-native
Perennial herb (aquatic)

TYPHACEAE

Typha angustifolia
© 2019 Ron Vanderhoff
Typha angustifolia
© 2021 Ron Vanderhoff
Typha angustifolia
© 2021 Ron Vanderhoff

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

TYPHACEAE

Typha latifolia
© 2013 Steve Matson
Typha latifolia
© 2013 Steve Matson
Typha latifolia
© 2013 Steve Matson

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

LAURACEAE

Umbellularia californica
© 2023 Mary Ann Machi
Umbellularia californica
© 2016 Steve Matson
Umbellularia californica
© 2023 Mary Ann Machi

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
© 2019 Zack Abbey
Uropappus lindleyi
© 2019 Ron Vanderhoff
Uropappus lindleyi
© 2016 Ron Vanderhoff

Urtica dioica ssp. gracilis    American stinging nettle,  California nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. gracilis
© 2020 Lynn Overtree
Urtica dioica ssp. gracilis
© 2007 Toni Corelli
Urtica dioica ssp. gracilis
© 2021 Chuck Kozak

Urtica dioica ssp. holosericea    Giant creek nettle,  Hoary nettle,  Mountain nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea
© 2014 Steve Matson
Urtica dioica ssp. holosericea
© 2014 Steve Matson
Urtica dioica ssp. holosericea
© 2014 Steve Matson

Vaccinium ovatum    California huckleberry,  Evergreen huckleberry
native
Shrub

ERICACEAE

Vaccinium ovatum
© 2017 Steve Matson
Vaccinium ovatum
© 2017 Steve Matson
Vaccinium ovatum
© 2017 Steve Matson

Vaccinium parvifolium    California red huckleberry,  Red bilberry, red huckleberry
native
Shrub

ERICACEAE

Vaccinium parvifolium
© 2017 Ken Hickman
Vaccinium parvifolium
© 2020 R.A. Chasey
Vaccinium parvifolium
© 2023 Caitlyn Allchin

Vancouveria planipetala    Inside out flower,  Redwood insideout flower,  Redwood ivy
native
Perennial herb

BERBERIDACEAE

Vancouveria planipetala
© 2021 Cara Wilcox
Vancouveria planipetala
© 2021 Cara Wilcox
Vancouveria planipetala
© 2023 R.A. Chasey

Vicia americana var. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana var. americana
© 2008 Steve Matson
Vicia americana var. americana
© 2008 Steve Matson
Vicia americana var. americana
© 2008 Steve Matson

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
© 2021 Dana York
Vicia gigantea
© 2019 Cynthia Powell
Vicia gigantea
© 2013 James Gonsman

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
© 2020 Julia Markey
Vinca major
© 2022 Ron Vanderhoff
Vinca major
© 2021 Ron Vanderhoff

Viola ocellata    Pinto violet,  Twoeyed violet,  Western heart's ease
native
Perennial herb

VIOLACEAE

Viola ocellata
© 2020 Amy Rapport
Viola ocellata
© 2008 Steve Matson
Viola ocellata
© 2018 Stacie Wolny

Viola sempervirens    Evergreen violet,  Redwood violet
native
Perennial herb

VIOLACEAE

Viola sempervirens
© 2021 Steve Matson
Viola sempervirens
© 2021 Steve Matson
Viola sempervirens
© 2021 Steve Matson

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

Vulpia bromoides
© 2022 Diana Wahl
Vulpia bromoides
© 2021 Toni Corelli
Vulpia bromoides
© 2021 David popp

native
Annual grass

POACEAE

Vulpia microstachys var. ciliata
© 2011 Steve Matson
Vulpia microstachys var. ciliata
© 2024 Emily R. Allen
Vulpia microstachys var. ciliata
© 2011 Steve Matson

native
Annual grass

POACEAE

Vulpia microstachys var. microstachys
© 2011 Steve Matson
Vulpia microstachys var. microstachys
© 2024 Emily R. Allen
Vulpia microstachys var. microstachys
© 2011 Steve Matson

Vulpia myuros var. hirsuta    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros var. hirsuta
© 2021 Aaron Echols
Vulpia myuros var. hirsuta
© 2021 Ron Vanderhoff
Vulpia myuros var. hirsuta
© 2022 John Rawlings

Vulpia octoflora    Sixweeks grass
native
Annual grass

POACEAE

Vulpia octoflora
© 2023 R.A. Chasey
Vulpia octoflora
© 2020 Sara Timby
Vulpia octoflora
© 2018 Ken Hickman

Whipplea modesta    Modesty,  Whipplea,  Whipplevine
native
Vine, Shrub

HYDRANGEACEAE

Whipplea modesta
© 2004 Steve Matson
Whipplea modesta
© 2018 Paul Preston and Tim Lukaszewski
Whipplea modesta
© 2014 James Gonsman

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

BLECHNACEAE

Woodwardia fimbriata
© 2019 Julie Kierstead Nelson
Woodwardia fimbriata
© 2020 R.A. Chasey
Woodwardia fimbriata
© 2020 Julie A. Kierstead

Xerophyllum tenax    Common beargrass
native
Perennial herb

MELANTHIACEAE

Xerophyllum tenax
© 2018 Eliezer Margolis
Xerophyllum tenax
© 2022 Adam N Canter
Xerophyllum tenax
© 2015 David popp

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

MELANTHIACEAE

Zigadenus fremontii
© 2024 Carissa Brands
Zigadenus fremontii
© 2024 Mary Conway
Zigadenus fremontii
© 2024 Lynn Overtree