logo Calflora  Illustrated Plant List 
Santa Rita Ranch Preserve
Central Coast, California
South and East of intersection of Hwy 46 and Old Creek Road, San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO/Land Conservancy of San Luis Obispo County  (2021-09-08)

Record Detail Nearby Surveys What Grows Here?
522 PLANTS
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

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Achyrachaena mollis    Blow-Wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
© 2015 Diane Etchison
Achyrachaena mollis
© 2022 Mike Russler
Achyrachaena mollis
© 2022 Mike Russler

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

FABACEAE

Acmispon americanus var. americanus
© 2015 Steve Matson
Acmispon americanus var. americanus
© 2015 Steve Matson
Acmispon americanus var. americanus
© 2015 Steve Matson

Acmispon brachycarpus    hill lotus
native
Annual herb

FABACEAE

Acmispon brachycarpus
© 2005 Steve Matson
Acmispon brachycarpus
© 2005 Steve Matson
Acmispon brachycarpus
© 2018 Steve Matson

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
© 2020 Ron Vanderhoff
Acmispon glaber var. glaber
© 2020 Ron Vanderhoff
Acmispon glaber var. glaber
© 2020 Ron Vanderhoff

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
© 2008 Steve Matson
Acmispon parviflorus
© 2005 Steve Matson
Acmispon parviflorus
© 2008 Steve Matson

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

Acmispon strigosus
© 2016 Steve Matson
Acmispon strigosus
© 2009 Steve Matson
Acmispon strigosus
© 2016 Steve Matson

Acmispon wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

Acmispon wrangelianus
© 2016 Steve Matson
Acmispon wrangelianus
© 2016 Steve Matson
Acmispon wrangelianus
© 2016 Steve Matson

Adelinia grandis    Hound's tongue,  Western houndstongue,  Adelinia
native
Perennial herb

BORAGINACEAE

Adelinia grandis
© 2022 David Strauch
Adelinia grandis
© 2007 Steve Matson
Adelinia grandis
© 2021 Dee Shea Himes

native
Tree, Shrub

ROSACEAE

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

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

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
© 2012 Michael Mitchell

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
© 2022 Mike Russler
Agoseris heterophylla var. cryptopleura
© 2024 Dianne Lake
Agoseris heterophylla var. cryptopleura
© 2022 Mike Russler

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
© 2022 Teal Derrer
Agrostis exarata
© 2021 David popp
Agrostis exarata
© 2022 John Rawlings

Agrostis pallens    Leafy bent grass,  Diego bent grass,  Seashore bentgrass
native
Perennial grass

POACEAE

Agrostis pallens
© 2021 John Rawlings
Agrostis pallens
© 2020 Susan McDougall
Agrostis pallens
© 2021 John Rawlings

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

POACEAE

Agrostis stolonifera
© 2018 Rachelle Gray
Agrostis stolonifera
© 2018 Rachelle Gray
Agrostis stolonifera
© 2018 Rachelle Gray

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

POACEAE

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

Allium unifolium    One leaf onion,  Oneleaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium unifolium
© 2021 Doug Allshouse
Allium unifolium
© 2020 stephen rosenthal
Allium unifolium
© 2023 Mary Ann Machi

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

Amaranthus albus
© 2014 Steve Matson
Amaranthus albus
© 2014 Steve Matson
Amaranthus albus
© 2018 Ron Vanderhoff

Amaranthus californicus    California amaranth,  California pigweed
native
Annual herb

AMARANTHACEAE

Amaranthus californicus
© 2016 Gerald Carr
Amaranthus californicus
© 2014 Jim Richards
Amaranthus californicus
© 2016 Gerald Carr

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
© 2016 Camille Nowell
Amaryllis belladonna
© 2023 Ron Vanderhoff
Amaryllis belladonna
© 2022 Ron Vanderhoff

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

Amsinckia menziesii
© 2020 Ron Vanderhoff
Amsinckia menziesii
© 2018 Gary McDonald
Amsinckia menziesii
© 2018 Gary McDonald

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

ASTERACEAE

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

Anthoxanthum odoratum    Sweet vernal grass,  Sweet vernalgrass
invasive non-native
Annual, Perennial grass

POACEAE

Anthoxanthum odoratum
© 2017 Steve Matson
Anthoxanthum odoratum
© 2017 Steve Matson
Anthoxanthum odoratum
© 2017 Steve Matson

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

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

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 obispoensis    Bishop manzanita,  Serpentine manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos obispoensis
© 2019 Susan McDougall
Arctostaphylos obispoensis
© 2021 Mike Russler
Arctostaphylos obispoensis
© 2021 Mike Russler

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

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

APOCYNACEAE

Asclepias eriocarpa
© 2023 Ron Vanderhoff
Asclepias eriocarpa
© 2014 Dan Cohn
Asclepias eriocarpa
© 2019 Ron Vanderhoff

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2014 Steve Matson

Aspidotis californica    California lace fern,  California lacefern
native
Fern

PTERIDACEAE

Aspidotis californica
© 2020 R.A. Chasey
Aspidotis californica
© 2018 Hunter Breck
Aspidotis californica
© 2020 John Schmidt

Aspidotis densa    Cliffbrake,  Lace fern
native
Fern

PTERIDACEAE

Aspidotis densa
© 2022 Christopher Collier
Aspidotis densa
© 2019 Matt Berger
Aspidotis densa
© 2015 James Gonsman

Astragalus gambelianus    Dwarf loco weed,  Gambel's dwarf milk vetch,  Gambel's locoweed
native
Annual herb

FABACEAE

Astragalus gambelianus
© 2019 Ron Vanderhoff
Astragalus gambelianus
© 2019 Ron Vanderhoff
Astragalus gambelianus
© 2022 Mike Russler

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

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

POACEAE

Avena barbata
© 2018 Julian Geoghegan
Avena barbata
© 2023 David popp
Avena barbata
© 2019 Ron Vanderhoff

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

POACEAE

Avena fatua
© 2018 Gary McDonald
Avena fatua
© 2023 Ron Vanderhoff
Avena fatua
© 2023 Matt Berger

Avena sativa    Common oats,  Cultivated oats,  Wild oat
non-native
Annual, Perennial grass

POACEAE

Avena sativa
© 2016 Cynthia Powell
Avena sativa
© 2021 John Rawlings
Avena sativa
© 2006 Louis-M. Landry

Azolla microphylla    Mexican mosquito fern
rare native
Fern

AZOLLACEAE

Azolla microphylla
© 2020 John Dittes
Azolla microphylla
© 2018 joaquin hale
Azolla microphylla
© 2020 John Dittes

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
© 2020 Patrick Furtado
Baccharis glutinosa
© 2019 Julian Geoghegan
Baccharis glutinosa
© 2020 Rebecca Schoenenberger

native
Shrub

ASTERACEAE

Baccharis pilularis var. consanguinea
© 2009 Toni Corelli
Baccharis pilularis var. consanguinea
© 2022 John Doyen
Baccharis pilularis var. consanguinea
© 2018 Ron Vanderhoff

Baccharis salicifolia    Mule fat., seep willow,  Mule's fat,  Mulefat
native
Shrub

ASTERACEAE

Baccharis salicifolia
© 2023 Julia Markey
Baccharis salicifolia
© 2020 Aaron Echols
Baccharis salicifolia
© 2023 Julia Markey

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

Blitum californicum   


Bloomeria crocea var. aurea    Common goldenstar
native
Perennial herb

THEMIDACEAE

Bloomeria crocea var. aurea
© 2019 David Greenberger
Bloomeria crocea var. aurea
© 2020 Kimberly Coates
Bloomeria crocea var. aurea
© 2018 Gary McDonald

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2017 Gary McDonald

Brachypodium hybridum   


Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
© 2021 Ron Vanderhoff
Brassica nigra
© 2019 Ron Vanderhoff
Brassica nigra
© 2019 Ron Vanderhoff

Brassica rapa    Common mustard,  Field mustard,  Rape mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica rapa
© 2024 David Wolfson
Brassica rapa
© 2021 Diane Etchison
Brassica rapa
© 2018 Angelique Herman

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

Briza minor    Little quaking grass,  Little quakinggrass,  Little rattlesnake grass
non-native
Annual grass

POACEAE

Briza minor
© 2023 R.A. Chasey
Briza minor
© 2019 Gary McDonald
Briza minor
© 2019 Gary McDonald

Brodiaea terrestris ssp. kernensis    Kern brodiaea,  Kern dwarf brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. kernensis
© 2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
© 2019 Diane Etchison
Brodiaea terrestris ssp. kernensis
© 2020 Ron Vanderhoff

non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. catharticus
© 2019 John Rawlings
Bromus catharticus var. catharticus
© 2023 Jacob Smith
Bromus catharticus var. catharticus
© 2023 Jacob Smith

Bromus catharticus var. elatus    Chilean brome
non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. elatus
© 2006 Steve Matson
Bromus catharticus var. elatus
© 2006 Steve Matson
Bromus catharticus var. elatus
© 2006 Steve Matson

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

POACEAE

Bromus diandrus
© 2022 Ron Vanderhoff
Bromus diandrus
© 2021 Richard Spjut
Bromus diandrus
© 2022 Ron Vanderhoff

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

POACEAE

Bromus hordeaceus
© 2023 Ron Vanderhoff
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
© 2022 Steve Matson
Bromus madritensis
© 2023 Stephen H Siemsen
Bromus madritensis
© 2015 Chris Jaster

Bromus rubens    Red brome
invasive non-native
Annual grass

POACEAE

Bromus rubens
© 2015 Chris Jaster
Bromus rubens
© 2015 jamie smith
Bromus rubens
© 2018 Gary McDonald

Bromus sitchensis var. carinatus    California brome
native
Perennial grass

POACEAE

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

Bromus sitchensis var. marginatus    Mountain brome
native
Perennial grass

POACEAE

Bromus sitchensis var. marginatus
© 2021 Arlee Montalvo
Bromus sitchensis var. marginatus
© 2019 John Rawlings
Bromus sitchensis var. marginatus
© 2021 Arlee Montalvo

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

POACEAE

Bromus sterilis
© 2021 John Rawlings
Bromus sterilis
© 2023 John Rawlings
Bromus sterilis
© 2023 John Rawlings

Calandrinia menziesii    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia menziesii
© 2021 Mary Ann Machi
Calandrinia menziesii
© 2019 Ron Vanderhoff
Calandrinia menziesii
© 2019 Ron Vanderhoff

Callitriche marginata    California water starwort,  Winged water starwort
native
Annual herb (aquatic)

PLANTAGINACEAE

Callitriche marginata
© 2019 Ron Vanderhoff
Callitriche marginata
© 2019 Ron Vanderhoff
Callitriche marginata
© 2019 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 clavatus var. clavatus    Club haired mariposa lily,  Clubhair mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus clavatus var. clavatus
© 2020 David Wolfson
Calochortus clavatus var. clavatus
© 2020 David Krause
Calochortus clavatus var. clavatus
© 2023 Mike Russler

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

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
© 2017 Michael Mitchell
Calystegia macrostegia ssp. cyclostegia
© 2020 James Gonsman
Calystegia macrostegia ssp. cyclostegia
© 2017 Michael Mitchell

Calystegia subacaulis ssp. episcopalis    Cambria morning glory,  San luis obispo county morning glory
rare native
Perennial herb (rhizomatous)

CONVOLVULACEAE

Calystegia subacaulis ssp. episcopalis
© 2019 David Greenberger
Calystegia subacaulis ssp. episcopalis
© 2021 Kristen Nelson
Calystegia subacaulis ssp. episcopalis
© 2018 Adonis Tate

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

BRASSICACEAE

Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2019 Cynthia Powell
Capsella bursa-pastoris
© 2022 Doug Allshouse

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 hirsuta    Hairy bitter cress,  Hairy bittercress
non-native
Annual herb

BRASSICACEAE

Cardamine hirsuta
© 2020 Ken Lunders
Cardamine hirsuta
© 2022 Donald Burk
Cardamine hirsuta
© 2022 Donald Burk

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

non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus ssp. pycnocephalus
© 2020 Ron Vanderhoff
Carduus pycnocephalus ssp. pycnocephalus
© 2019 Gary McDonald
Carduus pycnocephalus ssp. pycnocephalus
© 2021 Ron Vanderhoff

Carex barbarae    Santa barbara sedge,  Valley sedge
native
Perennial grasslike herb

CYPERACEAE

Carex barbarae
© 2024 R.A. Chasey
Carex barbarae
© 2023 Ron Vanderhoff
Carex barbarae
© 2023 Ron Vanderhoff

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 gracilior    Slender sedge
native
Perennial grasslike herb

CYPERACEAE

Carex gracilior
© 2010 Toni Corelli
Carex gracilior
© 2003 Steve Matson
Carex gracilior
© 2003 Steve Matson

Carex harfordii    Harford's sedge,  Monterey sedge
native
Perennial grasslike herb

CYPERACEAE

Carex harfordii
© 2019 Ken Hickman
Carex harfordii
© 2023 Ellen Uhler
Carex harfordii
© 2023 Ellen Uhler

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 serratodens    Bifid sedge,  Two tooth sedge
native
Perennial grasslike herb

CYPERACEAE

Carex serratodens
© 2019 Steve Matson
Carex serratodens
© 2019 Steve Matson
Carex serratodens
© 2021 Cynthia Powell

Carex subbracteata    Small bract sedge
native
Perennial grasslike herb

CYPERACEAE

Carex subbracteata
© 2023 Dana York
Carex subbracteata
© 2021 John Rawlings
Carex subbracteata
© 2023 Ellen Uhler

Carex tumulicola    Foothill sedge,  Slender sedge,  Split awn sedge
native
Perennial grasslike herb

CYPERACEAE

Carex tumulicola
© 2017 David Greenberger
Carex tumulicola
© 2021 John Rawlings
Carex tumulicola
© 2021 John Rawlings

Carthamus lanatus    Woolly distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus lanatus
© 2019 Lenihan Mazur
Carthamus lanatus
© 2019 Danielle Carney
Carthamus lanatus
© 2019 Danielle Carney

Castilleja affinis var. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja attenuata    Narrow leaved owl's clover,  Valley tassels
native
Annual herb

OROBANCHACEAE

Castilleja attenuata
© 2024 Steve Conger
Castilleja attenuata
© 2024 Mary Ann Machi
Castilleja attenuata
© 2019 Timothy Boomer

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

OROBANCHACEAE

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

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

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
© 2021 R.A. Chasey
Centaurea calcitrapa
© 2019 MCOSD EDRR
Centaurea calcitrapa
© 2022 R.A. Chasey

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

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

ASTERACEAE

Centaurea solstitialis
© 2022 Cynthia Powell
Centaurea solstitialis
© 2019 Arlee Montalvo
Centaurea solstitialis
© 2022 Mary Herr

Centranthus ruber    Jupiter's beard,  Red valerian
non-native
Annual, Perennial herb

VALERIANACEAE

Centranthus ruber
© 2013 Zachary Mikalonis
Centranthus ruber
© 2022 Justin Felder
Centranthus ruber
© 2020 Deborah Dozier

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

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

CHENOPODIACEAE

Chenopodium album
© 2022 Ron Vanderhoff
Chenopodium album
© 2014 Toni Corelli
Chenopodium album
© 2022 Ron Vanderhoff

Chlorogalum pomeridianum var. pomeridianum    Common soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
© 2021 Sue Graue
Chlorogalum pomeridianum var. pomeridianum
© 2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
© 2018 Karen Scheuermann

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

Chorizanthe membranacea
© 2008 Keir Morse
Chorizanthe membranacea
© 2008 Keir Morse
Chorizanthe membranacea
© 2023 Helen Hancock

Chorizanthe palmeri    Palmer's spineflower
rare native
Annual herb

POLYGONACEAE

Chorizanthe palmeri
© 2019 David Greenberger
Chorizanthe palmeri
© 2012 Terrence Gosliner
Chorizanthe palmeri
© 2023 Mike Russler

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 affinis    Chaparral clarkia,  Chaparral fairyfan
native
Annual herb

ONAGRACEAE

Clarkia affinis
© 2019 David Greenberger
Clarkia affinis
© 2019 Ken Hickman
Clarkia affinis
© 2020 Steve Laymon

Clarkia gracilis ssp. gracilis    Graceful clarkia,  Slender clarkia
native
Annual herb

ONAGRACEAE

Clarkia gracilis ssp. gracilis
© 2021 Steve Laymon
Clarkia gracilis ssp. gracilis
© 2023 Larry Dizmang
Clarkia gracilis ssp. gracilis
© 2020 Steve Laymon

Clarkia purpurea ssp. quadrivulnera    Four-spot,  Purple clarkia,  Purple godetia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
© 2014 Steve Matson
Clarkia purpurea ssp. quadrivulnera
© 2019 Joe Engelbrecht
Clarkia purpurea ssp. quadrivulnera
© 2021 R.A. Chasey

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

ONAGRACEAE

Clarkia purpurea ssp. viminea
© 2020 Steve Laymon
Clarkia purpurea ssp. viminea
© 2020 Steve Laymon
Clarkia purpurea ssp. viminea
© 2020 Steve Laymon

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 exigua ssp. exigua    Little spring beauty,  Serpentine springbeauty,  Viridis
native
Annual herb

MONTIACEAE

Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson

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

MONTIACEAE

Claytonia parviflora ssp. parviflora
© 2022 Ron Vanderhoff
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
© 2021 John Rawlings
Claytonia perfoliata ssp. mexicana
© 2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
© 2014 Susan McDougall

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

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson

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

Clematis ligusticifolia    Creek clematis,  Western white clematis,  Yerba de chiva
native
Perennial herb, Vine

RANUNCULACEAE

Clematis ligusticifolia
© 2018 Diane Etchison
Clematis ligusticifolia
© 2012 Steve Matson
Clematis ligusticifolia
© 2012 Steve Matson

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Clinopodium douglasii
© 2019 Gary McDonald
Clinopodium douglasii
© 2012 Gary McDonald
Clinopodium douglasii
© 2012 Gary McDonald

Collinsia sparsiflora var. collina    Hillside collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. collina
© 2021 Steve Matson
Collinsia sparsiflora var. collina
© 2021 Steve Matson
Collinsia sparsiflora var. collina
© 2015 Steve Matson

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

Convolvulus arvensis    Field bindweed,  Orchard morningglory
non-native
Perennial herb, Vine

CONVOLVULACEAE

Convolvulus arvensis
© 2022 Steve Matson
Convolvulus arvensis
© 2021 Ron Vanderhoff
Convolvulus arvensis
© 2022 Steve Matson

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
© 2022 Mike Russler
Corethrogyne filaginifolia
© 2018 Ron Vanderhoff
Corethrogyne filaginifolia
© 2019 Diane Etchison

Cornus glabrata    Brown dogwood
native
Tree, Shrub

CORNACEAE

Cornus glabrata
© 2021 Donald Burk
Cornus glabrata
© 2021 Barbara Peck
Cornus glabrata
© 2021 John Rawlings

Cornus sericea ssp. occidentalis    Western dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. occidentalis
© 2019 David Greenberger
Cornus sericea ssp. occidentalis
© 2018 Lynn Overtree
Cornus sericea ssp. occidentalis
© 2020 Susan McDougall

Cotoneaster pannosus    Cotoneaster,  Silverleaf cotoneaster,  Woolly cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster pannosus
© 2021 David Wolfson
Cotoneaster pannosus
© 2019 Cynthia Powell
Cotoneaster pannosus
© 2018 MCOSD EDRR

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 aquatica    Aquatic pygmy weed,  Pigmy weed,  Water pygmyweed
native
Annual herb

CRASSULACEAE

Crassula aquatica
© 2019 Ron Vanderhoff
Crassula aquatica
© 2022 Ken-ichi Ueda
Crassula aquatica
© 2022 Catherine Chang

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

Crassula tillaea    Mediterranean pygmy weed,  Moss pygmyweed
non-native
Annual herb

CRASSULACEAE

Crassula tillaea
© 2019 Ron Vanderhoff
Crassula tillaea
© 2019 Ron Vanderhoff
Crassula tillaea
© 2019 Ron Vanderhoff

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setiger
© 2011 Steve Matson
Croton setiger
© 2011 Steve Matson
Croton setiger
© 2014 Richard Chasey

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

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

POACEAE

Cynodon dactylon
© 2021 Ron Vanderhoff
Cynodon dactylon
© 2020 Ron Vanderhoff
Cynodon dactylon
© 2021 Ron Vanderhoff

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

POACEAE

Cynosurus echinatus
© 2017 Gary McDonald
Cynosurus echinatus
© 2010 Julie A. Kierstead
Cynosurus echinatus
© 2022 Ron Vanderhoff

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
© 2016 Joan Hampton
Cyperus eragrostis
© 2021 Ken Lunders
Cyperus eragrostis
© 2014 James Gonsman

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

POACEAE

Dactylis glomerata
© 2018 Jennifer Mo
Dactylis glomerata
© 2020 Jim Richards
Dactylis glomerata
© 2017 Gary McDonald

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
© 2024 R.A. Chasey
Danthonia californica
© 2021 John Rawlings
Danthonia californica
© 2023 R.A. Chasey

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

Datisca glomerata
© 2019 Ron Vanderhoff
Datisca glomerata
© 2019 Diane Etchison
Datisca glomerata
© 2019 Matt Berger

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

native
Perennial herb

RANUNCULACEAE

Delphinium californicum ssp. californicum
© 2010 Toni Corelli
Delphinium californicum ssp. californicum
© 2022 R.A. Chasey
Delphinium californicum ssp. californicum
© 2022 R.A. Chasey

Delphinium parryi ssp. parryi    Parry's larkspur,  San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. parryi
© 2022 Mike Russler
Delphinium parryi ssp. parryi
© 2021 R.A. Chasey
Delphinium parryi ssp. parryi
© 2013 James Gonsman

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

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

Diplacus aurantiacus var. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. aurantiacus
© 2024 Steve Conger
Diplacus aurantiacus var. aurantiacus
© 2024 Steve Conger
Diplacus aurantiacus var. aurantiacus
© 2019 Gary McDonald

Dipsacus sativus    Fuller's teasel,  Indian teasel
invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dipsacus sativus
© 2019 Danielle Carney
Dipsacus sativus
© 2022 Jennifer Mo
Dipsacus sativus
© 2022 David Strauch

native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. capitatus
© 2008 Steve Matson
Dipterostemon capitatus ssp. capitatus
© 2016 Steve Matson
Dipterostemon capitatus ssp. capitatus
© 2016 Steve Matson

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. wrangelliana
© 2020 Mary Conway
Drymocallis glandulosa var. wrangelliana
© 2017 Gary McDonald
Drymocallis glandulosa var. wrangelliana
© 2017 Gary McDonald

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 abramsii ssp. bettinae    San Luis Obispo serpentine dudleya
rare native
Perennial herb

CRASSULACEAE

Dudleya abramsii ssp. bettinae
© 2012 Terrence Gosliner
Dudleya abramsii ssp. bettinae
© 2023 Kyle Suchy
Dudleya abramsii ssp. bettinae
© 2011 Chris Winchell

Dudleya caespitosa    Coast dudleya,  Sand lettuce
native
Perennial herb

CRASSULACEAE

Dudleya caespitosa
© 2022 Mary Conway
Dudleya caespitosa
© 2022 Mary Conway
Dudleya caespitosa
© 2022 Cynthia Powell

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
© 2019 Ron Vanderhoff
Dudleya lanceolata
© 2020 Steven M Norris
Dudleya lanceolata
© 2020 Steven M Norris

Dysphania ambrosioides    Mexican tea
non-native
Annual, Perennial herb

CHENOPODIACEAE

Dysphania ambrosioides
© 2020 Ron Vanderhoff
Dysphania ambrosioides
© 2018 Ron Vanderhoff
Dysphania ambrosioides
© 2020 Ron Vanderhoff

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

CYPERACEAE

Eleocharis macrostachya
© 2023 Ron Vanderhoff
Eleocharis macrostachya
© 2023 Ron Vanderhoff
Eleocharis macrostachya
© 2003 Steve Matson

Eleocharis parishii    Parish's spike rush,  Parish's spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis parishii
© 2014 Steve Matson
Eleocharis parishii
© 2014 Steve Matson
Eleocharis parishii
© 2018 Rachelle Gray

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
© 2020 Ron Vanderhoff
Elymus condensatus
© 2022 John Rawlings
Elymus condensatus
© 2020 Diane Etchison

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

POACEAE

Elymus glaucus ssp. glaucus
© 2014 Toni Corelli
Elymus glaucus ssp. glaucus
© 2021 Arlee Montalvo
Elymus glaucus ssp. glaucus
© 2022 Ron Vanderhoff

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
© 2019 Ron Vanderhoff
Elymus multisetus
© 2023 Helen Hancock
Elymus multisetus
© 2021 Denise Defreese

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
© 2018 Ron Vanderhoff
Elymus triticoides
© 2021 Ron Vanderhoff
Elymus triticoides
© 2018 Rachelle Gray

native
Perennial grass

POACEAE

Elymus xhansenii
© 2022 Aaron Sunshine
Elymus xhansenii
© 2022 John Rawlings
Elymus xhansenii
© 2018 Gregory Arena

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

ONAGRACEAE

Epilobium brachycarpum
© 2023 Mary Ann Machi
Epilobium brachycarpum
© 2019 Ramona Robison
Epilobium brachycarpum
© 2020 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
© 2018 Ron Vanderhoff
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
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson

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

Equisetum laevigatum    Horsetail,  Smooth horsetail,  Smooth scouring rush
native
Fern

EQUISETACEAE

Equisetum laevigatum
© 2020 Ron Vanderhoff
Equisetum laevigatum
© 2021 Ron Vanderhoff
Equisetum laevigatum
© 2021 Richard Spjut

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

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

Erigeron bonariensis
© 2021 Donald Burk
Erigeron bonariensis
© 2017 Gary McDonald
Erigeron bonariensis
© 2023 Ron Vanderhoff

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Erigeron canadensis
© 2017 Gary McDonald
Erigeron canadensis
© 2017 Gary McDonald
Erigeron canadensis
© 2022 Mike Russler

Erigeron foliosus var. foliosus    Leafy fleabane,  Thread stemmed fleabane
native
Perennial herb, Shrub

ASTERACEAE

Erigeron foliosus var. foliosus
© 2023 Ron Vanderhoff
Erigeron foliosus var. foliosus
© 2021 Jacob Martin
Erigeron foliosus var. foliosus
© 2022 Ron Vanderhoff

Erigeron philadelphicus var. philadelphicus    Philadelphia fleabane
native
Perennial herb

ASTERACEAE

Erigeron philadelphicus var. philadelphicus
© 2021 R.A. Chasey
Erigeron philadelphicus var. philadelphicus
© 2022 Dana York
Erigeron philadelphicus var. philadelphicus
© 2021 R.A. Chasey

Erigeron sumatrensis    Tropical horseweed
non-native
Annual herb

ASTERACEAE

Erigeron sumatrensis
© 2021 Doug Allshouse
Erigeron sumatrensis
© 2020 Ron Vanderhoff
Erigeron sumatrensis
© 2020 Ron Vanderhoff

Eriogonum cithariforme    Cithara buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum cithariforme
© 2011 George Butterworth
Eriogonum cithariforme
© 2011 George Butterworth
Eriogonum cithariforme
© 2011 George Butterworth

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
© 2021 Mike Russler

Eriogonum nudum var. pubiflorum    Hairy flowered buckwheat,  Naked buckwheat,  Fremont's Wild Buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum nudum var. pubiflorum
© 2006 Steve Matson
Eriogonum nudum var. pubiflorum
© 2011 Steve Matson
Eriogonum nudum var. pubiflorum
© 2011 Steve Matson

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

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

Erodium brachycarpum    Foothill filaree,  Short fruited filaree,  Shortfruit stork's bill
non-native
Annual herb

GERANIACEAE

Erodium brachycarpum
© 2016 Bob van Duinen
Erodium brachycarpum
© 2020 Angelique Herman
Erodium brachycarpum
© 2016 Steve Matson

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

GERANIACEAE

Erodium cicutarium
© 2022 Steve Matson
Erodium cicutarium
© 2008 Steve Matson
Erodium cicutarium
© 2022 Steve Matson

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

GERANIACEAE

Erodium moschatum
© 2016 Steve Matson
Erodium moschatum
© 2016 Steve Matson
Erodium moschatum
© 2016 Steve Matson

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Erythranthe cardinalis
© 2014 James Gonsman
Erythranthe cardinalis
© 2023 Steve Conger
Erythranthe cardinalis
© 2021 Mike Russler

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

PHRYMACEAE

Erythranthe guttata
© 2019 Stacie Wolny
Erythranthe guttata
© 2015 James Gonsman
Erythranthe guttata
© 2019 Stacie Wolny

Erythranthe microphylla    Small leaved monkeyflower
rare native
Annual herb

PHRYMACEAE

Erythranthe microphylla
© 2019 Susan McDougall
Erythranthe microphylla
© 2021 Robert Steers
Erythranthe microphylla
© 2021 Robert Steers

native
Perennial herb

PHRYMACEAE

Erythranthe nasuta
© 2023 Catherine Chang
Erythranthe nasuta
© 2021 Mike Russler
Erythranthe nasuta
© 2024 Bob Steele

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

PAPAVERACEAE

Eschscholzia caespitosa
© 2019 Ron Vanderhoff
Eschscholzia caespitosa
© 2021 Lisa Berry
Eschscholzia caespitosa
© 2022 Cynthia Powell

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

Euphorbia maculata    Spotted spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia maculata
© 2019 B.J. Dion
Euphorbia maculata
© 2019 B.J. Dion
Euphorbia maculata
© 2022 Ron Vanderhoff

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
© 2021 R.A. Chasey
Euphorbia spathulata
© 2014 Steve Matson
Euphorbia spathulata
© 2014 Steve Matson

Eurybia radulina    Roughleaf aster
native
Perennial herb

ASTERACEAE

Eurybia radulina
© 2007 Keir Morse
Eurybia radulina
© 2023 Ken-ichi Ueda
Eurybia radulina
© 2022 Bob Sweatt

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 arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
© 2022 Cynthia Powell
Festuca arundinacea
© 2020 Robert Steers
Festuca arundinacea
© 2017 MCOSD EDRR

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

Festuca californica    California fescue
native
Perennial grass

POACEAE

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

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
© 2011 Steve Matson
Festuca microstachys
© 2024 Emily R. Allen
Festuca microstachys
© 2011 Steve Matson

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
© 2021 Aaron Echols
Festuca myuros
© 2021 Ron Vanderhoff
Festuca myuros
© 2022 John Rawlings

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

POACEAE

Festuca perennis
© 2019 Ron Vanderhoff
Festuca perennis
© 2017 Gary McDonald
Festuca perennis
© 2021 Ron Vanderhoff

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
© 2019 Nicole Leatherman
Foeniculum vulgare
© 2019 Ron Vanderhoff
Foeniculum vulgare
© 2018 Henry DiRocco

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

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
© 2015 Steve Matson
Frangula californica ssp. californica
© 2015 Steve Matson
Frangula californica ssp. californica
© 2019 Ron Vanderhoff

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

LILIACEAE

Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson

Fritillaria biflora var. biflora    Chocolate lily
native
Perennial herb (bulb)

LILIACEAE

Fritillaria biflora var. biflora
© 2006 Steve Matson
Fritillaria biflora var. biflora
© 2006 Steve Matson
Fritillaria biflora var. biflora
© 2006 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. maritimum    Coastal california bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. maritimum
© 2012 BOB CASE
Galium californicum ssp. maritimum
© 2022 Irene Rosen
Galium californicum ssp. maritimum
© 2022 Irene Rosen

Galium murale    Tiny bedstraw,  Yellow wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium murale
© 2022 R.A. Chasey
Galium murale
© 2021 Cameron Chabre
Galium murale
© 2014 Bryan Derr

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense
© 2021 Al Keuter
Galium parisiense
© 2020 Ron Vanderhoff
Galium parisiense
© 2019 Diane Etchison

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

RUBIACEAE

Galium porrigens var. porrigens
© 2022 Ron Vanderhoff
Galium porrigens var. porrigens
© 2022 Ron Vanderhoff
Galium porrigens var. porrigens
© 2022 Julia Larke

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

Gamochaeta ustulata
© 2019 Gary McDonald
Gamochaeta ustulata
© 2021 Zoya Akulova-Barlow
Gamochaeta ustulata
© 2019 Gary McDonald

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

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

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

Geranium molle    Crane's bill geranium,  Dove's foot geranium,  Dovefoot geranium
non-native
Annual, Perennial herb

GERANIACEAE

Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson

Gilia capitata    Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata
© 2011 Gerald Carr
Gilia capitata
© 2022 Ron Vanderhoff
Gilia capitata
© 2011 Gerald Carr

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

Gilia tenuiflora ssp. docmilleri    Greater yellowthroat gilia,  Slender flowered gilia
native
Annual herb

POLEMONIACEAE

Gilia tenuiflora ssp. docmilleri
© 2022 Irene Rosen
Gilia tenuiflora ssp. docmilleri
© 2022 R.A. Chasey
Gilia tenuiflora ssp. docmilleri
© 2022 Cynthia Powell

Glyceria declinata    Waxy mannagrass
invasive non-native
Perennial grass

POACEAE

Glyceria declinata
© 2021 David popp
Glyceria declinata
© 2016 Andrew Longman
Glyceria declinata
© 2022 David popp

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

Gnaphalium palustre
© 2019 Ron Vanderhoff
Gnaphalium palustre
© 2005 Steve Matson
Gnaphalium palustre
© 2019 Ron Vanderhoff

Grindelia camporum    Common gumplant,  Great valley gumweed,  Gum plant
native
Perennial herb

ASTERACEAE

Grindelia camporum
© 2023 R.A. Chasey
Grindelia camporum
© 2019 Ron Vanderhoff
Grindelia camporum
© 2019 Ron Vanderhoff

Hazardia squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa
© 2018 Mary Conway
Hazardia squarrosa
© 2019 Bonnie Nickel
Hazardia squarrosa
© 2022 Ron Vanderhoff

Hedypnois rhagadioloides    Crete weed
non-native
Annual herb

ASTERACEAE

Hedypnois rhagadioloides
© 2022 Steve Matson
Hedypnois rhagadioloides
© 2022 Steve Matson
Hedypnois rhagadioloides
© 2022 Steve Matson

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
© 2021 Mike Russler
Helenium puberulum
© 2019 Patrick Furtado
Helenium puberulum
© 2018 Rachelle Gray

Heliotropium curassavicum var. oculatum    Alkali heliotrope,  Seaside heliotrope
native
Perennial herb

HELIOTROPIACEAE

Heliotropium curassavicum var. oculatum
© 2019 Ron Vanderhoff
Heliotropium curassavicum var. oculatum
© 2019 Rachelle Gray
Heliotropium curassavicum var. oculatum
© 2021 Suzanne L. Weakley

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

ASTERACEAE

Helminthotheca echioides
© 2016 Hayley Ross
Helminthotheca echioides
© 2019 Rachelle Gray
Helminthotheca echioides
© 2012 Elizabeth Brusati

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

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
© 2013 Arcangelo Wessells
Hemizonia congesta ssp. luzulifolia
© 2022 R.A. Chasey
Hemizonia congesta ssp. luzulifolia
© 2022 R.A. Chasey

Hesperevax sparsiflora var. sparsiflora    Erect dwarf cudweed,  Few flowered evax
native
Annual herb

ASTERACEAE

Hesperevax sparsiflora var. sparsiflora
© 2020 Stacie Wolny
Hesperevax sparsiflora var. sparsiflora
© 2020 R.A. Chasey
Hesperevax sparsiflora var. sparsiflora
© 2022 R.A. Chasey

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

URTICACEAE

Hesperocnide tenella
© 2023 Ken-ichi Ueda
Hesperocnide tenella
© 2006 Steve Matson
Hesperocnide tenella
© 2020 Ken Hickman

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca villosissima   


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
© 2022 Ron Vanderhoff

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

Hoita macrostachya
© 2020 Ron Vanderhoff
Hoita macrostachya
© 2022 Natalie McNear
Hoita macrostachya
© 2021 Julie King

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

Holocarpha heermannii    Heermann's tarweed
native
Annual herb

ASTERACEAE

Holocarpha heermannii
© 2018 Richard Spjut
Holocarpha heermannii
© 2022 Cynthia Powell
Holocarpha heermannii
© 2022 Cynthia Powell

native
Shrub

ROSACEAE

Holodiscus discolor var. discolor
© 2022 R.A. Chasey
Holodiscus discolor var. discolor
© 2021 R.A. Chasey
Holodiscus discolor var. discolor
© 2010 Avis Boutell

Hordeum brachyantherum ssp. californicum    California barley,  California meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson
Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson
Hordeum brachyantherum ssp. californicum
© 2011 Steve Matson

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
© 2018 Carolyn
Hordeum marinum ssp. gussoneanum
© 2020 Paul Aigner
Hordeum marinum ssp. gussoneanum
© 2017 Toni Corelli

Hordeum murinum ssp. leporinum    Farmer's foxtail,  Foxtail barley,  Hare barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. leporinum
© 2022 Ron Vanderhoff
Hordeum murinum ssp. leporinum
© 2021 Al Keuter
Hordeum murinum ssp. leporinum
© 2021 Ron Vanderhoff

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

Isoetes nuttallii    Nuttall's quillwort
native

ISOETACEAE

Isoetes nuttallii
© 2019 David Greenberger
Isoetes nuttallii
© 2019 Matt Berger
Isoetes nuttallii
© 2019 Matt Berger

Isolepis cernua var. cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis cernua var. cernua
© 2021 R.A. Chasey
Isolepis cernua var. cernua
© 2023 R.A. Chasey
Isolepis cernua var. cernua
© 2018 Ron Vanderhoff

Juglans hindsii    Northern california black walnut
rare native
Tree

JUGLANDACEAE

Juglans hindsii
© 2018 Ron Vanderhoff
Juglans hindsii
© 2016 Steve Matson
Juglans hindsii
© 2018 Ron Vanderhoff

Juncus balticus ssp. ater    Baltic rush
native
Perennial grasslike herb

JUNCACEAE

Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
© 2015 Steve Matson
Juncus balticus ssp. ater
© 2015 Steve Matson

native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. bufonius
© 2021 John Rawlings
Juncus bufonius var. bufonius
© 2023 R.A. Chasey
Juncus bufonius var. bufonius
© 2019 Ron Vanderhoff

Juncus bufonius var. congestus    Clustered toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius var. congestus
© 2004 Steve Matson
Juncus bufonius var. congestus
© 2023 Adonis Tate
Juncus bufonius var. congestus
© 2023 Mary Merriman

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus
© 2009 Toni Corelli
Juncus effusus ssp. pacificus
© 2021 R.A. Chasey
Juncus effusus ssp. pacificus
© 2021 John Rawlings

Juncus mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

Juncus mexicanus
© 2004 Steve Matson
Juncus mexicanus
© 2020 Mary Wloch
Juncus mexicanus
© 2019 Diane Etchison

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 phaeocephalus var. paniculatus    Brown headed rush,  Brownhead rush,  Spreading brown headed rush
native
Perennial grasslike herb

JUNCACEAE

Juncus phaeocephalus var. paniculatus
© 2019 John Rawlings
Juncus phaeocephalus var. paniculatus
© 2021 John Rawlings
Juncus phaeocephalus var. paniculatus
© 2020 Alice Cummings

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

Kickxia elatine    Sharp leaved fluellin,  Sharp point fluellin,  Sharpleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia elatine
© 2023 John Malpas
Kickxia elatine
© 2018 Ron Vanderhoff
Kickxia elatine
© 2016 Barbara Boethling

Kickxia spuria    Fluellin,  Roundleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia spuria
© 2020 David Wolfson
Kickxia spuria
© 2020 Vivian Neou
Kickxia spuria
© 2023 R.A. Chasey

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson

Lactuca saligna    Narrow leaved wild lettuce,  Willow lettuce,  Willowleaf lettuce
non-native
Annual herb

ASTERACEAE

Lactuca saligna
© 2021 Don Hollander
Lactuca saligna
© 2019 Stacie Wolny
Lactuca saligna
© 2021 Don Hollander

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

ASTERACEAE

Lactuca serriola
© 2017 Gary McDonald
Lactuca serriola
© 2017 Gary McDonald
Lactuca serriola
© 2017 Gary McDonald

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
© 2019 Diane Etchison
Lagophylla ramosissima
© 2021 Dee Shea Himes
Lagophylla ramosissima
© 2020 Ken Hickman

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
© 2017 B.J. Dion
Lamarckia aurea
© 2019 Ron Vanderhoff
Lamarckia aurea
© 2015 James Gonsman

Lamium amplexicaule    Giraffe head,  Henbit deadnettle
non-native
Annual herb

LAMIACEAE

Lamium amplexicaule
© 2005 Steve Matson
Lamium amplexicaule
© 2005 Steve Matson
Lamium amplexicaule
© 2021 Mike Russler

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

Lasthenia gracilis
© 2014 Steve Matson
Lasthenia gracilis
© 2014 Steve Matson
Lasthenia gracilis
© 2014 Steve Matson

Lathyrus angulatus    Angled pea vine
non-native
Vine

FABACEAE

Lathyrus angulatus
© 2019 Julie Kierstead Nelson
Lathyrus angulatus
© 2019 Julie Kierstead Nelson
Lathyrus angulatus
© 2022 Emily R. Allen

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 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

Lavandula stoechas    French lavender
non-native
Shrub

LAMIACEAE

Lavandula stoechas
© 2022 Robert Steers
Lavandula stoechas
© 2019 Julian Geoghegan
Lavandula stoechas
© 2015 Chris Jaster

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
© 2015 Amy Rapport
Layia platyglossa
© 2019 Jenna T. B. Ekwealor
Layia platyglossa
© 2017 Chris Mo

Lemna minor    Smaller duckweed
native
Perennial herb

ARACEAE

Lemna minor
© 2019 Ron Vanderhoff
Lemna minor
© 2019 Ron Vanderhoff
Lemna minor
© 2022 R.A. Chasey

Lemna minuta    Least duckweed
native
Perennial herb

ARACEAE

Lemna minuta
© 2022 Ron Vanderhoff
Lemna minuta
© 2020 Ron Vanderhoff
Lemna minuta
© 2019 Ron Vanderhoff

Lemna turionifera    Turion duckweed
native
Perennial herb

ARACEAE

Lemna turionifera
© 2001 James B. Gratiot
Lemna turionifera
© 2014 Jeff Greenhouse

Lepidium nitidum    Peppergrass,  Shining pepper grass,  Shining pepperweed
native
Annual herb

BRASSICACEAE

Lepidium nitidum
© 2021 Steve Matson
Lepidium nitidum
© 2016 Steve Matson
Lepidium nitidum
© 2021 Steve Matson

Lepidium strictum    Peppergrass,  Prostrate pepper grass,  Upright pepperweed
native
Annual herb

BRASSICACEAE

Lepidium strictum
© 2022 Ron Vanderhoff
Lepidium strictum
© 2022 Jim Xerogeanes
Lepidium strictum
© 2022 Ron Vanderhoff

Leptosiphon bicolor    True babystars
native
Annual herb

POLEMONIACEAE

Leptosiphon bicolor
© 2008 Steve Matson
Leptosiphon bicolor
© 2008 Steve Matson
Leptosiphon bicolor
© 2008 Steve Matson

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse

native
Annual herb

POLEMONIACEAE

Linanthus dichotomus ssp. dichotomus
© 2019 Jacob Smith
Linanthus dichotomus ssp. dichotomus
© 2008 Steve Matson
Linanthus dichotomus ssp. dichotomus
© 2021 Mike Russler

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

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

Logfia filaginoides
© 2019 Steve Matson
Logfia filaginoides
© 2019 Steve Matson
Logfia filaginoides
© 2019 Steve Matson

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
© 2017 Barbara Boethling
Logfia gallica
© 2023 Ron Vanderhoff
Logfia gallica
© 2023 Ron Vanderhoff

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 parvifolium    Coastal biscuitroot,  Small leaved lomatium
rare native
Perennial herb

APIACEAE

Lomatium parvifolium
© 2020 David Greenberger
Lomatium parvifolium
© 2023 Mike Russler
Lomatium parvifolium
© 2021 Patrick Furtado

Lomatium utriculatum    Bladder parsnip,  Common lomatium,  Hog fennel
native
Perennial herb

APIACEAE

Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2015 James Gonsman

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

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

Lotus tenuis    Narrow-leaf bird's-foot trefoil
non-native
Perennial herb

FABACEAE

Lotus tenuis
© 2018 Julian Geoghegan
Lotus tenuis
© 2018 Julian Geoghegan
Lotus tenuis
© 2018 Julian Geoghegan

Lupinus albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons
© 2022 Mike Russler
Lupinus albifrons
© 2022 Steve Conger
Lupinus albifrons
© 2022 Ron Vanderhoff

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

FABACEAE

Lupinus bicolor
© 2024 Mary Ann Machi
Lupinus bicolor
© 2022 Mike Russler
Lupinus bicolor
© 2024 Mary Ann Machi

Lupinus latifolius var. latifolius    Broad leaf lupine
native
Perennial herb

FABACEAE

Lupinus latifolius var. latifolius
© 2021 John Rawlings
Lupinus latifolius var. latifolius
© 2020 Paul Aigner
Lupinus latifolius var. latifolius
© 2021 Steve Matson

Lupinus microcarpus var. densiflorus    Chick lupine,  Dense flowered platycarpos,  Whitewhorl lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. densiflorus
© 2014 Steve Matson
Lupinus microcarpus var. densiflorus
© 2014 Steve Matson
Lupinus microcarpus var. densiflorus
© 2014 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

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

FABACEAE

Lupinus succulentus
© 2023 Andy Ford
Lupinus succulentus
© 2018 Stacie Wolny
Lupinus succulentus
© 2018 Stacie Wolny

native
Perennial grasslike herb

JUNCACEAE

Luzula macrantha
© 2023 R.A. Chasey
Luzula macrantha
© 2022 R.A. Chasey
Luzula macrantha
© 2022 R.A. Chasey

Luzula subsessilis    Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula subsessilis
© 2024 John Rawlings
Luzula subsessilis
© 2021 David popp
Luzula subsessilis
© 2021 David popp

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

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

Lysimachia latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

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

Lythrum hyssopifolia    Hyssop loosestrife
invasive non-native
Annual, Perennial herb

LYTHRACEAE

Lythrum hyssopifolia
© 2019 Diane Etchison
Lythrum hyssopifolia
© 2021 Cynthia Powell
Lythrum hyssopifolia
© 2020 Ron Vanderhoff

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

Madia sativa
© 2013 Ron Vanderhoff
Madia sativa
© 2021 David Wolfson
Madia sativa
© 2021 Zoya Akulova-Barlow

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

BERBERIDACEAE

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

Maianthemum racemosum    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum racemosum
© 2020 Bob Sweatt
Maianthemum racemosum
© 2018 Steve Matson
Maianthemum racemosum
© 2019 Cynthia Powell

Maianthemum stellatum    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum stellatum
© 2003 Steve Matson
Maianthemum stellatum
© 2003 Steve Matson
Maianthemum stellatum
© 2003 Steve Matson

Malva neglecta    Common mallow,  Dwarf mallow
non-native
Annual, Perennial herb

MALVACEAE

Malva neglecta
© 2022 Bob Sweatt
Malva neglecta
© 2019 Randy Huey
Malva neglecta
© 2022 Bob Sweatt

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

Malva nicaeensis
© 2023 Ron Vanderhoff
Malva nicaeensis
© 2020 Ron Vanderhoff
Malva nicaeensis
© 2020 Ron Vanderhoff

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabacea
© 2018 Gary McDonald
Marah fabacea
© 2018 MCOSD EDRR
Marah fabacea
© 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

Marsilea vestita ssp. vestita    Hairy pepperwort,  Hairy waterclover
native
Fern

MARSILEACEAE

Marsilea vestita ssp. vestita
© 2019 Ron Vanderhoff
Marsilea vestita ssp. vestita
© 2019 Ron Vanderhoff
Marsilea vestita ssp. vestita
© 2017 Ron Vanderhoff

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

Matricaria discoidea
© 2008 Steve Matson
Matricaria discoidea
© 2008 Steve Matson
Matricaria discoidea
© 2018 Stacie Wolny

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

FABACEAE

Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald

Medicago sativa    Alfalfa
non-native
Perennial herb

FABACEAE

Medicago sativa
© 2017 Hayley Ross
Medicago sativa
© 2020 Bob Sweatt
Medicago sativa
© 2017 Hayley Ross

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
© 2023 John Rawlings
Melica californica
© 2021 John Rawlings
Melica californica
© 2022 John Rawlings

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

Melilotus albus    White sweetclover
non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
© 2021 Ron Vanderhoff
Melilotus albus
© 2020 Bob Sweatt
Melilotus albus
© 2022 Ron Vanderhoff

Melilotus indicus    Annual yellow sweetclover,  Sourclover
non-native
Annual herb

FABACEAE

Melilotus indicus
© 2019 Randy Huey
Melilotus indicus
© 2019 Randy Huey
Melilotus indicus
© 2017 Rosalie Benitez

Melissa officinalis    Bee balm,  Common balm,  Lemon balm
non-native
Perennial herb

LAMIACEAE

Melissa officinalis
© 2022 R.A. Chasey
Melissa officinalis
© 2021 R.A. Chasey
Melissa officinalis
© 2021 Cara Wilcox

Mentha pulegium    Pennyroyal
invasive non-native
Perennial herb

LAMIACEAE

Mentha pulegium
© 2014 James Gonsman
Mentha pulegium
© 2022 R.A. Chasey
Mentha pulegium
© 2015 Chris Jaster

Mentha spicata    Spearmint
non-native
Perennial herb

LAMIACEAE

Mentha spicata
© 2022 Donald Burk
Mentha spicata
© 2022 Donald Burk
Mentha spicata
© 2023 Ron Vanderhoff

Mentha suaveolens    Apple mint
non-native
Perennial herb

LAMIACEAE

Mentha suaveolens
© 2018 George Butterworth
Mentha suaveolens
© 2021 Ron Vanderhoff
Mentha suaveolens
© 2018 George Butterworth

Micranthes californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Micranthes californica
© 2016 Steve Matson
Micranthes californica
© 2016 Steve Matson
Micranthes californica
© 2016 Steve Matson

Micropus californicus var. californicus    Q tips,  Slender cottonweed
native
Annual herb

ASTERACEAE

Micropus californicus var. californicus
© 2006 Steve Matson
Micropus californicus var. californicus
© 2021 Ron Vanderhoff
Micropus californicus var. californicus
© 2016 Steve Matson

Micropus californicus var. subvestitus    Hairy slender cottonweed,  Q tips
native
Annual herb

ASTERACEAE

Micropus californicus var. subvestitus
© 2023 Keir Morse
Micropus californicus var. subvestitus
© 2023 Keir Morse
Micropus californicus var. subvestitus
© 2023 Keir Morse

Microseris douglasii ssp. douglasii    Douglas' microseris,  Douglas' silverpuffs
native
Annual herb

ASTERACEAE

Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 Steve Matson

Microseris douglasii ssp. tenella    Douglas' silverpuffs,  Short scaled microseris
native
Annual herb

ASTERACEAE

Microseris douglasii ssp. tenella
© 2022 Helen Hancock
Microseris douglasii ssp. tenella
© 2019 Diane Renshaw
Microseris douglasii ssp. tenella
© 2022 Helen Hancock

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
© 2003 Steve Matson
Microsteris gracilis
© 2016 Steve Matson
Microsteris gracilis
© 2003 Steve Matson

Monardella palmeri    Palmer's monardella
rare native
Perennial herb (rhizomatous)

LAMIACEAE

Monardella palmeri
© 2001 CDFA
Monardella palmeri
© 2001 CDFA
Monardella palmeri
© 2024 richard mcneill

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

LAMIACEAE

Monardella villosa ssp. obispoensis
© 2019 David Wolfson
Monardella villosa ssp. obispoensis
© 2019 David Wolfson
Monardella villosa ssp. obispoensis
© 2020 Dee Shea Himes

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

Muhlenbergia rigens
© 2004 Steve Matson
Muhlenbergia rigens
© 2018 Cynthia Powell
Muhlenbergia rigens
© 2022 Ron Vanderhoff

Myriopteris intertexta    Coastal lip fern
native
Fern

PTERIDACEAE

Myriopteris intertexta
© 2018 Adam Chasey
Myriopteris intertexta
© 2020 R.A. Chasey
Myriopteris intertexta
© 2020 R.A. Chasey

Najas guadalupensis    Guadalupe water nymph,  Southern waternymph
native
Annual herb

HYDROCHARITACEAE

Najas guadalupensis
© 2020 Ron Vanderhoff
Najas guadalupensis
© 2020 Ron Vanderhoff
Najas guadalupensis
© 2021 Ron Vanderhoff

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila pedunculata
© 2003 Steve Matson
Nemophila pedunculata
© 2020 Bob Sweatt
Nemophila pedunculata
© 2024 Alaine Arslan

Nicotiana acuminata var. multiflora    Many flowered tobacco,  Manyflower tobacco,  Tobacco
non-native
Annual herb

SOLANACEAE

Nicotiana acuminata var. multiflora
© 2023 Mike Russler
Nicotiana acuminata var. multiflora
© 2019 Michelle Karle
Nicotiana acuminata var. multiflora
© 2023 R.A. Chasey

native
Tree, Shrub

FAGACEAE

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

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

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

Osmorhiza berteroi    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza berteroi
© 2006 Steve Matson
Osmorhiza berteroi
© 2006 Steve Matson
Osmorhiza berteroi
© 2006 Steve Matson

Osmorhiza brachypoda    California sweet cicely,  California sweetcicely
native
Perennial herb

APIACEAE

Osmorhiza brachypoda
© 2017 Aaron Echols
Osmorhiza brachypoda
© 2020 Ron Vanderhoff
Osmorhiza brachypoda
© 2022 Ron Vanderhoff

Oxalis pilosa    Hairy wood sorrel
native
Annual herb

OXALIDACEAE

Oxalis pilosa
© 2022 R.A. Chasey
Oxalis pilosa
© 2009 Avis Boutell
Oxalis pilosa
© 2022 Cynthia Powell

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
© 2024 Ron Vanderhoff
Paeonia californica
© 2023 Ron Vanderhoff
Paeonia californica
© 2019 Susan McDougall

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
© 2023 Steve Conger
Pellaea andromedifolia
© 2021 Steve Matson
Pellaea andromedifolia
© 2021 Mike Russler

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

PTERIDACEAE

Pellaea mucronata var. mucronata
© 2018 Rachelle Gray
Pellaea mucronata var. mucronata
© 2023 Helen Hancock
Pellaea mucronata var. mucronata
© 2023 Helen Hancock

Pentachaeta alsinoides    Tiny pygmy daisy,  Tiny pygmydaisy
native
Annual herb

ASTERACEAE

Pentachaeta alsinoides
© 2021 Ken Hickman
Pentachaeta alsinoides
© 2022 Ken Hickman
Pentachaeta alsinoides
© 2023 David Gowen

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 ssp. gairdneri    Gairdner's yampah
rare native
Perennial herb

APIACEAE

Perideridia gairdneri ssp. gairdneri
© 2021 Mary Conway
Perideridia gairdneri ssp. gairdneri
© 2021 Larry Dizmang
Perideridia gairdneri ssp. gairdneri
© 2021 Scott Yarger

Persicaria amphibia    Water smartweed
native
Perennial herb (aquatic)

POLYGONACEAE

Persicaria amphibia
© 2017 Ron Vanderhoff
Persicaria amphibia
© 2017 Ron Vanderhoff
Persicaria amphibia
© 2019 Diane Etchison

Persicaria punctata    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Persicaria punctata
© 2018 Ron Vanderhoff
Persicaria punctata
© 2018 Ron Vanderhoff
Persicaria punctata
© 2022 Helen Hancock

Phacelia egena    Kaweah river phacelia,  Rock phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia egena
© 2016 Steve Matson
Phacelia egena
© 2016 Steve Matson
Phacelia egena
© 2016 Steve Matson

Phacelia imbricata ssp. imbricata    Imbricate Phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson

Phacelia malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

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

Phacelia nemoralis ssp. nemoralis    Woods phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia nemoralis ssp. nemoralis
© 2020 Ken Hickman
Phacelia nemoralis ssp. nemoralis
© 2016 Glen Schneider
Phacelia nemoralis ssp. nemoralis
© 2021 Dianne Lake

Phacelia rattanii    Rattan's phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia rattanii
© 2022 Dee Shea Himes
Phacelia rattanii
© 2022 Dee Shea Himes
Phacelia rattanii
© 2020 Ken Hickman

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

POACEAE

Phalaris aquatica
© 2018 Thomas Reyes
Phalaris aquatica
© 2021 Lenihan Mazur
Phalaris aquatica
© 2022 Lenihan Mazur

Phalaris paradoxa    Hood canarygrass
non-native
Annual grass

POACEAE

Phalaris paradoxa
© 2021 David popp
Phalaris paradoxa
© 2021 John Rawlings
Phalaris paradoxa
© 2017 James Bailey

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

HYDROPHYLLACEAE

Pholistoma auritum var. auritum
© 2014 Steve Matson
Pholistoma auritum var. auritum
© 2014 Steve Matson
Pholistoma auritum var. auritum
© 2014 Steve Matson

native
Shrub (parasitic)

VISCACEAE

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

Physocarpus capitatus    Ninebark,  Pacific ninebark,  Western ninebark
native
Shrub

ROSACEAE

Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson

Plagiobothrys canescens    Grey popcorn flower,  Valley popcorn flower,  Valley popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys canescens
© 2022 Catherine Chang
Plagiobothrys canescens
© 2016 Steve Matson
Plagiobothrys canescens
© 2016 Steve Matson

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

BORAGINACEAE

Plagiobothrys nothofulvus
© 2011 Steve Matson
Plagiobothrys nothofulvus
© 2011 Steve Matson
Plagiobothrys nothofulvus
© 2015 Steve Matson

Plagiobothrys trachycarpus    Rough fruited allocarya,  Roughfruit popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys trachycarpus
© 2022 Catherine Chang
Plagiobothrys trachycarpus
© 2022 Catherine Chang
Plagiobothrys trachycarpus
© 2022 Catherine Chang

Plantago elongata    Annual coast plantago,  Coastal plantain,  Long leaf plantain
native
Annual herb

PLANTAGINACEAE

Plantago elongata
© 2017 Barbara Boethling
Plantago elongata
© 2019 Ron Vanderhoff
Plantago elongata
© 2020 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 major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
© 2019 Bob Sweatt
Plantago major
© 2022 Diana Wahl
Plantago major
© 2020 Ryan Carle

Plantago ovata var. fastigiata    Desert plantain
native
Annual herb

PLANTAGINACEAE

Plantago ovata var. fastigiata
© 2019 Matt Berger
Plantago ovata var. fastigiata
© 2019 Susan McDougall
Plantago ovata var. fastigiata
© 2008 Richard Spjut

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa
© 2021 Ron Vanderhoff
Platanus racemosa
© 2018 Ron Vanderhoff
Platanus racemosa
© 2019 Rachelle Gray

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
© 2019 Diane Etchison
Platystemon californicus
© 2022 John L. Thompson
Platystemon californicus
© 2022 John L. Thompson

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
© 2022 Steve Matson
Plectritis ciliosa
© 2005 Steve Matson
Plectritis ciliosa
© 2022 Steve Matson

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 infirma    Weak blue grass,  Weak bluegrass
non-native
Annual grass

POACEAE

Poa infirma
© 2019 Zoya Akulova
Poa infirma
© 2019 Zoya Akulova
Poa infirma
© 2019 Zoya Akulova

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

POACEAE

Poa pratensis
© 2013 Andrea Williams
Poa pratensis
© 2008 Keir Morse
Poa pratensis
© 2013 Andrea Williams

Poa secunda var. scabrella    One sided blue grass,  Pine bluegrass,  Sandberg bluegrass
native
Perennial grass

POACEAE

Poa secunda var. scabrella
© 2019 Rachelle Gray
Poa secunda var. scabrella
© 2019 Paul Aigner
Poa secunda var. scabrella
© 2020 Paul Aigner

Pogogyne serpylloides    Thyme leaf mesa mint,  Thymeleaf mesamint
native
Annual herb

LAMIACEAE

Pogogyne serpylloides
© 2020 Stacie Wolny
Pogogyne serpylloides
© 2022 R.A. Chasey
Pogogyne serpylloides
© 2020 Stacie Wolny

Polygonum aviculare    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare
© 2023 Ron Vanderhoff
Polygonum aviculare
© 2023 Cynthia Powell
Polygonum aviculare
© 2021 Ron Vanderhoff

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

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

POLYPODIACEAE

Polypodium calirhiza
© 2022 BOB CASE
Polypodium calirhiza
© 2015 James Gonsman
Polypodium calirhiza
© 2020 Susan McDougall

Polypogon interruptus    Ditch beard grass,  Ditch rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon interruptus
© 2022 John Rawlings
Polypogon interruptus
© 2022 John Rawlings
Polypogon interruptus
© 2020 Ron Vanderhoff

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

Polypogon viridis    Water beard grass
non-native
Perennial grass

POACEAE

Polypogon viridis
© 2022 Ron Vanderhoff
Polypogon viridis
© 2021 Ron Vanderhoff
Polypogon viridis
© 2019 Friends of Five Creeks volunteers

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 fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
© 2019 Stella Yang
Populus fremontii ssp. fremontii
© 2020 David popp
Populus fremontii ssp. fremontii
© 2020 Susan McDougall

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
© 2019 Ron Vanderhoff
Populus trichocarpa
© 2012 Steve Matson
Populus trichocarpa
© 2012 Steve Matson

native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton foliosus ssp. foliosus
© 2020 Ron Vanderhoff
Potamogeton foliosus ssp. foliosus
© 2020 Ron Vanderhoff
Potamogeton foliosus ssp. foliosus
© 2020 Ron Vanderhoff

Potamogeton nodosus    Long leaved pondweed,  Longleaf pondweed,  Pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton nodosus
© 2020 Ken Hickman
Potamogeton nodosus
© 2019 Gena Bentall
Potamogeton nodosus
© 2020 Ken Hickman

native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton pusillus ssp. pusillus
© 2007 Neal Kramer
Potamogeton pusillus ssp. pusillus
© null
Potamogeton pusillus ssp. pusillus
© 2013 Jake Ruygt

Poterium sanguisorba    Garden burnet
non-native
Perennial herb

ROSACEAE

Poterium sanguisorba
© 2019 Jennifer Mo
Poterium sanguisorba
© 2021 David Wolfson
Poterium sanguisorba
© 2017 Keir Morse

Primula clevelandii    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Primula clevelandii
© 2006 Steve Matson
Primula clevelandii
© 2022 David popp
Primula clevelandii
© 2020 Aaron Echols

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

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

Prunus emarginata    Bitter cherry
native
Tree, Shrub

ROSACEAE

Prunus emarginata
© 2020 Belinda Lo
Prunus emarginata
© 2004 Steve Matson
Prunus emarginata
© 2006 Steve Matson

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

ROSACEAE

Prunus ilicifolia var. ilicifolia
© 2018 David Greenberger
Prunus ilicifolia var. ilicifolia
© 2019 Ron Vanderhoff
Prunus ilicifolia var. ilicifolia
© 2020 James Gonsman

native
Perennial herb

ASTERACEAE

Pseudognaphalium beneolens
© 2021 BLM Redding Field Office
Pseudognaphalium beneolens
© 2021 Mike Russler
Pseudognaphalium beneolens
© 2021 R.A. Chasey

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Pseudognaphalium californicum
© 2019 Gary McDonald
Pseudognaphalium californicum
© 2020 Steven M Norris
Pseudognaphalium californicum
© 2021 Ron Vanderhoff

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff
Pseudognaphalium luteoalbum
© 2019 Diane Etchison
Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

Pseudognaphalium microcephalum
© 2020 Ron Vanderhoff
Pseudognaphalium microcephalum
© 2022 David Strauch
Pseudognaphalium microcephalum
© 2019 Ron Vanderhoff

Pseudognaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Pseudognaphalium ramosissimum
© 2021 R.A. Chasey
Pseudognaphalium ramosissimum
© 2018 Parker Santiago
Pseudognaphalium ramosissimum
© 2017 Gary McDonald

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
© 2017 Gary McDonald
Pseudognaphalium stramineum
© 2017 Gary McDonald
Pseudognaphalium stramineum
© 2017 Gary McDonald

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
© 2006 Steve Matson
Psilocarphus tenellus
© 2006 Steve Matson
Psilocarphus tenellus
© 2018 Ron Vanderhoff

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

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

FAGACEAE

Quercus agrifolia var. agrifolia
© 2023 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2021 Al Keuter

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
© 2022 David Strauch
Quercus berberidifolia
© 2020 Cynthia Keiser
Quercus berberidifolia
© 2020 Cynthia Keiser

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
© 2018 Gary McDonald
Quercus douglasii
© 2020 Charles Russell
Quercus douglasii
© 2019 Susan McDougall

Quercus kelloggii    Black oak,  California black oak
native
Tree

FAGACEAE

Quercus kelloggii
© 2020 Kim Cabrera
Quercus kelloggii
© 2021 Emily Sluiman
Quercus kelloggii
© 2023 Ryan O'Dell

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
© 2023 Helen Hancock
Quercus lobata
© 2021 Cynthia Powell
Quercus lobata
© 2023 Suzanne L. Weakley

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
© 2023 Robert Steers
Rafinesquia californica
© 2021 Ron Vanderhoff
Rafinesquia californica
© 2017 Steve Matson

Ranunculus aquatilis var. diffusus    white water butter cup
native
Perennial herb (aquatic)

RANUNCULACEAE

Ranunculus aquatilis var. diffusus
© 2016 Ken Lunders
Ranunculus aquatilis var. diffusus
© 2007 Steve Matson
Ranunculus aquatilis var. diffusus
© 2022 Jonathan Widdicombe

native
Perennial herb

RANUNCULACEAE

Ranunculus californicus var. californicus
© 2016 Steve Matson
Ranunculus californicus var. californicus
© 2016 Steve Matson
Ranunculus californicus var. californicus
© 2016 Steve Matson

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

RANUNCULACEAE

Ranunculus hebecarpus
© 2019 Ron Vanderhoff
Ranunculus hebecarpus
© 2021 Ron Vanderhoff
Ranunculus hebecarpus
© 2019 Ron Vanderhoff

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

Rhamnus crocea
© 2011 Michael Mitchell
Rhamnus crocea
© 2022 Ron Vanderhoff
Rhamnus crocea
© 2019 Ron Vanderhoff

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
© 2016 Steve Matson
Rhamnus ilicifolia
© 2016 Steve Matson
Rhamnus ilicifolia
© 2006 Steve Matson

Ribes amarum    Bitter gooseberry
native
Shrub

GROSSULARIACEAE

Ribes amarum
© 2021 Keir Morse
Ribes amarum
© 2019 Ron Vanderhoff
Ribes amarum
© 2021 David popp

Ribes californicum var. californicum    California gooseberry,  Hillside gooseberry
native
Shrub

GROSSULARIACEAE

Ribes californicum var. californicum
© 2019 Matt Berger
Ribes californicum var. californicum
© 2018 Gary McDonald
Ribes californicum var. californicum
© 2019 Adam Chasey

Ribes divaricatum var. pubiflorum    Spreading gooseberry,  Straggly gooseberry
native
Shrub

GROSSULARIACEAE

Ribes divaricatum var. pubiflorum
© 2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
© 2021 Ken-ichi Ueda
Ribes divaricatum var. pubiflorum
© 2021 Ken-ichi Ueda

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

Ribes sericeum    Santa lucia gooseberry
rare native
Shrub

GROSSULARIACEAE

Ribes sericeum
© 2024 Keir Morse
Ribes sericeum
© 2024 Keir Morse
Ribes sericeum
© 2024 Keir Morse

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
© 2022 David Chipping
Ribes speciosum
© 2021 Ron Vanderhoff
Ribes speciosum
© 2021 Ron Vanderhoff

Robinia pseudoacacia    Black locust
invasive non-native
Tree

FABACEAE

Robinia pseudoacacia
© 2021 Ron Vanderhoff
Robinia pseudoacacia
© 2021 David Wolfson
Robinia pseudoacacia
© 2015 Ron Vanderhoff

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

BRASSICACEAE

Rorippa curvisiliqua
© 2020 Ron Vanderhoff
Rorippa curvisiliqua
© 2023 Ron Vanderhoff
Rorippa curvisiliqua
© 2023 Ron Vanderhoff

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 canina    Dog rose
non-native
Shrub

ROSACEAE

Rosa canina
© 2018 MCOSD EDRR
Rosa canina
© 2017 Hayley Ross
Rosa canina
© 2004 Dr. Amadej Trnkoczy

native
Shrub

ROSACEAE

Rosa gymnocarpa var. gymnocarpa
© 2019 James Gonsman
Rosa gymnocarpa var. gymnocarpa
© 2020 David Krause
Rosa gymnocarpa var. gymnocarpa
© 2017 Steve Matson

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 armeniacus    Himalayan blackberry,  black berry,  Armenian blackberry
invasive non-native
Shrub

ROSACEAE

Rubus armeniacus
© 2014 James Gonsman
Rubus armeniacus
© 2020 Julie A. Kierstead
Rubus armeniacus
© 2018 Richard Spjut

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 acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
© 2017 Gary McDonald
Rumex acetosella
© 2008 Steve Matson
Rumex acetosella
© 2019 Patrick Furtado

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
© 2020 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff

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

POLYGONACEAE

Rumex crispus
© 2018 Tim Lewis
Rumex crispus
© 2019 Diane Etchison
Rumex crispus
© 2023 Ron Vanderhoff

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

Rumex kerneri
© 2024 Donald Burk
Rumex kerneri
© 2023 Donald Burk
Rumex kerneri
© 2024 Donald Burk

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
© 2020 Ryan Carle
Rumex pulcher
© 2022 Chris McDonald
Rumex pulcher
© 2021 David popp

Rumex salicifolius var. salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius var. salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius var. salicifolius
© 2012 Gary McDonald
Rumex salicifolius var. salicifolius
© 2012 Gary McDonald

Sabulina douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

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

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 lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra var. lasiandra
© 2021 Alice Cummings
Salix lasiandra var. lasiandra
© 2021 Diane Renshaw
Salix lasiandra var. lasiandra
© 2021 Ken Hickman

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
© 2020 Ron Vanderhoff
Salvia columbariae
© 2022 Mike Russler
Salvia columbariae
© 2022 Mike Russler

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

Salvia spathacea
© 2020 David Wolfson
Salvia spathacea
© 2020 Abby Nichols
Salvia spathacea
© 2020 Bryant Baker

Sambucus mexicana ssp. mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

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

Sanicula arguta    Sharp toothed sanicle,  Sharp toothed snakeroot,  Sharptooth blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula arguta
© 2006 Steve Matson
Sanicula arguta
© 2006 Steve Matson
Sanicula arguta
© 2006 Steve Matson

Sanicula bipinnata    Poison sanicle
native
Perennial herb

APIACEAE

Sanicula bipinnata
© 2008 Steve Matson
Sanicula bipinnata
© 2008 Steve Matson
Sanicula bipinnata
© 2022 R.A. Chasey

Sanicula bipinnatifida    Purple sanicle,  Snakeroot,  Purple Sanicle, Shoe Buttons
native
Perennial herb

APIACEAE

Sanicula bipinnatifida
© 2019 Diane Etchison
Sanicula bipinnatifida
© 2018 Gary McDonald
Sanicula bipinnatifida
© 2021 Robin Carter

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

Sanicula hoffmannii    Hoffmann's blacksnakeroot,  Hoffmann's sanicle,  Hoffmann's snakeroot
rare native
Perennial herb

APIACEAE

Sanicula hoffmannii
© 2019 Ken Hickman
Sanicula hoffmannii
© 2015 David Wolfson
Sanicula hoffmannii
© 2018 Ken Hickman

Schoenoplectus californicus    California bulrush
native
Perennial grasslike herb

CYPERACEAE

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

native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus pungens var. longispicatus
© 2008 Steve Matson
Schoenoplectus pungens var. longispicatus
© 2008 Steve Matson
Schoenoplectus pungens var. longispicatus
© 2022 R.A. Chasey

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

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

SCROPHULARIACEAE

Scrophularia californica ssp. californica
© 2020 Bob Sweatt
Scrophularia californica ssp. californica
© 2006 Steve Matson
Scrophularia californica ssp. 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

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

ASTERACEAE

Senecio vulgaris
© 2017 Barbara Boethling
Senecio vulgaris
© 2019 Ron Vanderhoff
Senecio vulgaris
© 2021 Toni Corelli

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
© 2019 Mary Wloch
Silene gallica
© 2017 Gary McDonald
Silene gallica
© 2019 Gary McDonald

Silene laciniata ssp. laciniata    Cardinal catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. laciniata
© 2020 David Greenberger
Silene laciniata ssp. laciniata
© 2023 Ron Vanderhoff
Silene laciniata ssp. laciniata
© 2023 Ron Vanderhoff

Silene verecunda    Dolores campion,  San Francisco campion
native
Perennial herb

CARYOPHYLLACEAE

Silene verecunda
© 2022 Cynthia Powell
Silene verecunda
© 2022 Cynthia Powell
Silene verecunda
© 2019 Matt Berger

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

ASTERACEAE

Silybum marianum
© 2020 Nancy Hamlett
Silybum marianum
© 2019 Marisa Persaud
Silybum marianum
© 2018 Angelique Herman

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

Sinapis arvensis
© 2020 Randy Huey
Sinapis arvensis
© 2022 Mike Russler
Sinapis arvensis
© 2023 Andy Ford

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
© 2021 Ann Garside
Sisymbrium officinale
© 2022 Julian Geoghegan
Sisymbrium officinale
© 2021 Ron Vanderhoff

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

Solanum umbelliferum var. xanti    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum var. xanti
© 2014 Steve Matson
Solanum umbelliferum var. xanti
© 2014 Steve Matson
Solanum umbelliferum var. xanti
© 2014 Steve Matson

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
© 2013 Steve Matson
Solidago velutina ssp. californica
© 2008 Steve Matson
Solidago velutina ssp. 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

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

ASTERACEAE

Sonchus asper ssp. asper
© 2014 Gary McDonald
Sonchus asper ssp. asper
© 2022 Ron Vanderhoff
Sonchus asper ssp. asper
© 2014 Gary McDonald

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
© 2024 Ron Vanderhoff

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis
© 2019 Diane Etchison
Spergula arvensis
© 2020 Mary Conway
Spergula arvensis
© 2022 Cynthia Powell

Spergularia bocconi    Boccone's sand spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergularia bocconi
© 2021 Ron Vanderhoff
Spergularia bocconi
© 2021 Ron Vanderhoff
Spergularia bocconi
© 2019 Ron Vanderhoff

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

CARYOPHYLLACEAE

Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff

Sporobolus schoenoides    Swamp grass,  Swamp picklegrass,  Swamp pricklegrass
non-native
Annual grass

POACEAE

Sporobolus schoenoides
© 2023 Ron Vanderhoff
Sporobolus schoenoides
© 2018 Ron Vanderhoff
Sporobolus schoenoides
© 2019 Ron Vanderhoff

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

Stebbinsoseris heterocarpa    Grassland stebbinsoseris
native
Annual herb

ASTERACEAE

Stebbinsoseris heterocarpa
© 2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
© 2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
© 2017 Diane Etchison

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2015 Diane Etchison

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

Stellaria pallida    Pale starwort
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria pallida
© 2022 Donald Burk
Stellaria pallida
© 2004 Keir Morse
Stellaria pallida
© 2004 Keir Morse

Stephanomeria cichoriacea    Chicory leaved stephanomeria,  Chicoryleaf wirelettuce,  Fort tejon milk aster
native
Perennial herb

ASTERACEAE

Stephanomeria cichoriacea
© 2019 David Greenberger
Stephanomeria cichoriacea
© 2012 Ron Vanderhoff
Stephanomeria cichoriacea
© 2018 John Game

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

ASTERACEAE

Stephanomeria elata
© 2019 David Greenberger
Stephanomeria elata
© 2018 Julian Geoghegan
Stephanomeria elata
© 2021 Helen Hancock

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

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
© 2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
© 2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
© 2018 Richard Spjut

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
© 2017 Gary McDonald
Stipa lepida
© 2023 Ron Vanderhoff
Stipa lepida
© 2017 Gary McDonald

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

POACEAE

Stipa miliacea var. miliacea
© 2022 Donald Burk
Stipa miliacea var. miliacea
© 2009 Keir Morse
Stipa miliacea var. miliacea
© 2022 Donald Burk

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
© 2019 Michelle Karle
Stipa pulchra
© 2008 Zoya Akulova
Stipa pulchra
© 2019 Ron Vanderhoff

native
Annual herb

BRASSICACEAE

Streptanthus glandulosus ssp. glandulosus
© 2003 Keir Morse
Streptanthus glandulosus ssp. glandulosus
© 2020 Stacie Wolny
Streptanthus glandulosus ssp. glandulosus
© 2021 Bryant Baker

Stuckenia pectinata    Sago pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Stuckenia pectinata
© 2021 Ron Vanderhoff
Stuckenia pectinata
© 2021 Ron Vanderhoff
Stuckenia pectinata
© 2021 Ron Vanderhoff

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

Symphyotrichum subspicatum    Douglas aster
native
Annual herb

ASTERACEAE

Symphyotrichum subspicatum
© 2021 David Wolfson
Symphyotrichum subspicatum
© 2021 David Wolfson
Symphyotrichum subspicatum
© 2016 Michelle Bosch

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

ASTERACEAE

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

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

APIACEAE

Tauschia hartwegii
© 2006 Steve Matson
Tauschia hartwegii
© 2006 Steve Matson
Tauschia hartwegii
© 2006 Steve Matson

Tetrapteron graciliflorum    Hill sun cup
native
Annual herb

ONAGRACEAE

Tetrapteron graciliflorum
© 2021 Charles Russell
Tetrapteron graciliflorum
© 2010 Richard Spjut
Tetrapteron graciliflorum
© 2016 Richard Spjut

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
© 2020 Diane Etchison

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson
Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson
Thysanocarpus curvipes ssp. curvipes
© 2016 Steve Matson

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

APIACEAE

Torilis arvensis
© 2019 Ron Vanderhoff
Torilis arvensis
© 2017 Gary McDonald
Torilis arvensis
© 2018 Lindsey Hack

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
© 2011 Steve Matson
Torilis nodosa
© 2011 Steve Matson
Torilis nodosa
© 2011 Steve Matson

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

Toxicoscordion exaltatum    Giant death camas
native
Perennial herb

MELANTHIACEAE

Toxicoscordion exaltatum
© 2020 Matt Berger
Toxicoscordion exaltatum
© 2022 BOB CASE
Toxicoscordion exaltatum
© 2020 Matt Berger

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

MELANTHIACEAE

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

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

ASTERACEAE

Tragopogon dubius
© 2023 Ken Lunders
Tragopogon dubius
© 2020 Bob Sweatt
Tragopogon dubius
© 2019 Liz Block

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
© 2019 Julie dinsdale
Tragopogon porrifolius
© 2015 David Wolfson
Tragopogon porrifolius
© 2020 Martin Cooper

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

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

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
© 2022 R.A. Chasey
Trifolium bifidum var. decipiens
© 2022 R.A. Chasey
Trifolium bifidum var. decipiens
© 2021 Cameron Chabre

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 depauperatum var. depauperatum    Cowbag clover,  Dwarf bladder clover,  Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. depauperatum
© 2021 Steve Matson
Trifolium depauperatum var. depauperatum
© 2021 Steve Matson
Trifolium depauperatum var. depauperatum
© 2021 Steve Matson

Trifolium dubium    Shamrock clover,  Little Hop Clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
© 2018 Stacie Wolny
Trifolium dubium
© 2022 Dana York
Trifolium dubium
© 2017 MCOSD EDRR

Trifolium fragiferum    Strawberry clover
non-native
Perennial herb

FABACEAE

Trifolium fragiferum
© 2020 Ron Vanderhoff
Trifolium fragiferum
© 2020 Ron Vanderhoff
Trifolium fragiferum
© 2022 Dana York

Trifolium glomeratum    Clustered clover
non-native
Annual herb

FABACEAE

Trifolium glomeratum
© 2012 Michael Mitchell
Trifolium glomeratum
© 2012 Michael Mitchell
Trifolium glomeratum
© 2023 Donald Burk

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
© 2011 Steve Matson
Trifolium hirtum
© 2011 Steve Matson
Trifolium hirtum
© 2011 Steve Matson

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 repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
© 2023 Ron Vanderhoff
Trifolium repens
© 2007 Steve Matson
Trifolium repens
© 2017 Gary McDonald

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 angustipetalum    Narrow petaled wakerobin,  Narrowpetal wakerobin
native
Perennial herb

MELANTHIACEAE

Trillium angustipetalum
© 2019 Kolby Lundgren
Trillium angustipetalum
© 2015 Nathan Feldman
Trillium angustipetalum
© 2020 Susan McDougall

Triphysaria eriantha ssp. eriantha    Butter 'n' eggs,  Johnny tuck
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. eriantha
© 2005 Steve Matson
Triphysaria eriantha ssp. eriantha
© 2021 Steve Matson
Triphysaria eriantha ssp. eriantha
© 2008 Steve Matson

Triphysaria pusilla    Dwarf owl's clover,  Little owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson

Trisetum canescens    Nodding oatgrass,  Nodding trisetum,  Tall trisetum
native
Perennial grass

POACEAE

Trisetum canescens
© 2020 John Rawlings
Trisetum canescens
© 2011 Steve Matson
Trisetum canescens
© 2022 Ellen Uhler

Triteleia ixioides ssp. ixioides    Golden brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. ixioides
© 2020 Mary Conway
Triteleia ixioides ssp. ixioides
© 2019 Mary Conway
Triteleia ixioides ssp. ixioides
© 2020 John Rawlings

Triticum aestivum    Common wheat,  Wheat
non-native
Annual grass

POACEAE

Triticum aestivum
© 2022 Lenihan Mazur
Triticum aestivum
© 2021 John Rawlings
Triticum aestivum
© 2021 Julian Geoghegan

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

Turritis glabra
© 2021 David Wolfson
Turritis glabra
© 2021 Mike Russler
Turritis glabra
© 2020 Chico Hiking Association

Typha domingensis    Narrowleaf cattail,  Southern cattail
native
Perennial herb

TYPHACEAE

Typha domingensis
© 2020 Ron Vanderhoff
Typha domingensis
© 2020 Ron Vanderhoff
Typha domingensis
© 2023 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. 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

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

URTICACEAE

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

Verbascum thapsus    Common mullein,  Woolly mullein
invasive non-native
Perennial herb

SCROPHULARIACEAE

Verbascum thapsus
© 2021 R.A. Chasey
Verbascum thapsus
© 2020 Kim Cabrera
Verbascum thapsus
© 2019 Marisa Persaud

Verbascum virgatum    Wand mullein
non-native
Perennial herb

SCROPHULARIACEAE

Verbascum virgatum
© 2019 Jerry Thornton
Verbascum virgatum
© 2022 Amber Bedgood
Verbascum virgatum
© 2021 Ron Vanderhoff

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

VERBENACEAE

Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson
Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson
Verbena lasiostachys var. lasiostachys
© 2010 Steve Matson

Veronica anagallis-aquatica    Water speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica anagallis-aquatica
© 2015 Steve Matson
Veronica anagallis-aquatica
© 2015 Steve Matson
Veronica anagallis-aquatica
© 2022 Bob Sweatt

Veronica arvensis    Corn speedwell,  Speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica arvensis
© 2006 Steve Matson
Veronica arvensis
© 2006 Steve Matson
Veronica arvensis
© 2020 mike andrews

Veronica catenata    Chain speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica catenata
© 2021 R.A. Chasey
Veronica catenata
© 2021 R.A. Chasey
Veronica catenata
© 2015 Barry Breckling

Veronica peregrina ssp. xalapensis    Hairy purslane speedwell,  Neckweed,  Purslane speedwell
native
Annual herb

PLANTAGINACEAE

Veronica peregrina ssp. xalapensis
© 2020 Steve Matson
Veronica peregrina ssp. xalapensis
© 2020 Ron Vanderhoff
Veronica peregrina ssp. xalapensis
© 2020 Steve Matson

Veronica persica    Bird's eye speedwell,  Birdeye speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica persica
© 2019 Patrick Furtado
Veronica persica
© 2022 Bob Sweatt
Veronica persica
© 2022 Ron Vanderhoff

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

FABACEAE

Vicia americana ssp. americana
© 2008 Steve Matson
Vicia americana ssp. americana
© 2008 Steve Matson
Vicia americana ssp. americana
© 2008 Steve Matson

Vicia sativa ssp. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
© 2020 Ken Lunders
Vicia sativa ssp. nigra
© 2020 Ron Vanderhoff
Vicia sativa ssp. nigra
© 2020 Ron Vanderhoff

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
© 2007 Toni Corelli
Vicia sativa ssp. sativa
© 2020 Ron Vanderhoff
Vicia sativa ssp. sativa
© 2020 Ron Vanderhoff

Vicia villosa ssp. varia    Smooth vetch,  Thick fruited vetch,  Winter vetch
non-native
Annual herb, Vine

FABACEAE

Vicia villosa ssp. varia
© 2006 Steve Matson
Vicia villosa ssp. varia
© 2017 Gary McDonald
Vicia villosa ssp. varia
© 2017 Gary McDonald

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 pedunculata    California golden violet,  Johnny jump up
native
Perennial herb

VIOLACEAE

Viola pedunculata
© 2014 Steve Matson
Viola pedunculata
© 2014 Steve Matson
Viola pedunculata
© 2014 Steve Matson

Vitis vinifera    Cultivated grape,  Wine grape
non-native
Vine, Shrub

VITACEAE

Vitis vinifera
© 2020 Jennifer Mo
Vitis vinifera
© 2014 Eric Wrubel
Vitis vinifera
© 2024 David popp

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

Xanthium spinosum    Spiny clotbur,  Spiny cockleburr
non-native
Annual herb

ASTERACEAE

Xanthium spinosum
© 2017 B.J. Dion
Xanthium spinosum
© 2021 Lynn Overtree
Xanthium spinosum
© 2017 B.J. Dion

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

Zannichellia palustris
© 2021 Ron Vanderhoff
Zannichellia palustris
© 2021 Ron Vanderhoff
Zannichellia palustris
© 2021 Ron Vanderhoff