logo Calflora  Illustrated Plant List 
Sedgwick Reserve
Santa Ynez Valley, foothills of the San Rafael Mountains, with elevations from 965--2780 feet. Serpentinite outcrops, fault. Watershed includes seasonal creeks, springs and seeps.

Santa Barbara County

M. P. Williams, W. Ferren, J. Hamilton, L. Ballard, et al.  / Sedgwick Reserve, University of California Natural Reserve System  (2015-11-05)

Record Detail Nearby Surveys What Grows Here?
381 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

native
Annual herb

FABACEAE

Acmispon maritimus var. maritimus
© 2020 Ron Vanderhoff
Acmispon maritimus var. maritimus
© 2023 Ron Vanderhoff
Acmispon maritimus var. maritimus
© 2020 Ron Vanderhoff

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

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

Acourtia microcephala
© 2022 Diane Etchison
Acourtia microcephala
© 2019 Ron Vanderhoff
Acourtia microcephala
© 2021 Aaron Echols

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum var. fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum var. 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

Agoseris grandiflora    Bigflower agoseris,  California dandelion,  Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora
© 2014 Steve Matson
Agoseris grandiflora
© 2014 Steve Matson
Agoseris grandiflora
© 2014 Steve Matson

Agoseris heterophylla    Annual agoseris,  Annual mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla
© 2020 Bob Sweatt
Agoseris heterophylla
© 2021 Lisa Berry
Agoseris heterophylla
© 2020 Bob Sweatt

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

ASTERACEAE

Agoseris retrorsa
© 2018 Steve Matson
Agoseris retrorsa
© 2018 Steve Matson
Agoseris retrorsa
© 2018 Steve Matson

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

Allium crispum    Crinkled onion
native
Perennial herb (bulb)

ALLIACEAE

Allium crispum
© 2024 Steve Matson
Allium crispum
© 2024 Steve Matson
Allium crispum
© 2024 Steve Matson

Allium haematochiton    Red skinned onion,  Redskin onion
native
Perennial herb (bulb)

ALLIACEAE

Allium haematochiton
© 2017 Steve Matson
Allium haematochiton
© 2017 Steve Matson
Allium haematochiton
© 2017 Steve Matson

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 retroflexus    Green amaranth,  Red root pigweed,  Red rooted amaranth
non-native
Annual herb

AMARANTHACEAE

Amaranthus retroflexus
© 2017 Ingrid Cabada
Amaranthus retroflexus
© 2022 Jennifer Mo
Amaranthus retroflexus
© 2021 Ron Vanderhoff

Amorpha californica var. californica    California false indigo
native
Shrub

FABACEAE

Amorpha californica var. californica
© 2019 Ron Vanderhoff
Amorpha californica var. californica
© 2019 Bryant Baker
Amorpha californica var. californica
© 2019 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

Ancistrocarphus filagineus    False neststraw,  Woolly fishhooks
native
Annual herb

ASTERACEAE

Ancistrocarphus filagineus
© 2020 Matt Berger
Ancistrocarphus filagineus
© 2019 Gerald Carr
Ancistrocarphus filagineus
© 2021 Jacob Smith

Anemopsis californica    Yerba mansa
native
Perennial herb

SAURURACEAE

Anemopsis californica
© 2022 Steve Matson
Anemopsis californica
© 2022 Steve Matson
Anemopsis californica
© 2022 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
© 2024 Mike Russler
Aphanes occidentalis
© 2022 Ron Vanderhoff
Aphanes occidentalis
© 2024 Mike Russler

Apiastrum angustifolium    Mock parsley,  Wild celery,  Wild parsley
native
Annual herb

APIACEAE

Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2020 Ron Vanderhoff

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane,  Hemp Dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
© 2019 Ron Vanderhoff
Apocynum cannabinum
© 2015 Ron Vanderhoff
Apocynum cannabinum
© 2021 Mike Russler

Arceuthobium campylopodum    Golden mistletoe,  Pine dwarf mistletoe,  Pine mistletoe
native
Perennial herb (parasitic)

VISCACEAE

Arceuthobium campylopodum
© 2016 Richard Spjut
Arceuthobium campylopodum
© 2020 Charles Russell
Arceuthobium campylopodum
© 2021 Mikhela Aiken

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

ERICACEAE

Arctostaphylos glauca
© 2020 Ron Vanderhoff
Arctostaphylos glauca
© 2018 Ron Vanderhoff
Arctostaphylos glauca
© 2018 Ron Vanderhoff

Aristida adscensionis    Six weeks three awn,  Sixweeks threeawn
native
Annual grass

POACEAE

Aristida adscensionis
© 2023 Keir Morse
Aristida adscensionis
© 2023 Keir Morse
Aristida adscensionis
© 2016 James Bailey

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

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

Atriplex suberecta    Peregrine saltbush
non-native
Annual herb

CHENOPODIACEAE

Atriplex suberecta
© 2021 Ron Vanderhoff
Atriplex suberecta
© 2021 Ron Vanderhoff
Atriplex suberecta
© 2021 Ron Vanderhoff

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

native
Shrub

ASTERACEAE

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

Baccharis plummerae ssp. plummerae    Plummer's baccharis
rare native
Shrub

ASTERACEAE

Baccharis plummerae ssp. plummerae
© 2023 Jordan Collins
Baccharis plummerae ssp. plummerae
© 2024 Mike Russler
Baccharis plummerae ssp. plummerae
© 2024 Mike Russler

native
Shrub

ASTERACEAE

Baccharis salicifolia ssp. salicifolia
© 2022 Ron Vanderhoff
Baccharis salicifolia ssp. salicifolia
© 2023 Ron Vanderhoff
Baccharis salicifolia ssp. salicifolia
© 2024 Holly Gray

Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

Bloomeria crocea
© 2018 Janith Johnson
Bloomeria crocea
© 2014 Steve Matson
Bloomeria crocea
© 2014 Steve Matson

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brachypodium distachyon    False brome,  Purple false brome
invasive non-native
Annual, Perennial grass

POACEAE

Brachypodium distachyon
© 2019 Ron Vanderhoff
Brachypodium distachyon
© 2021 John Rawlings
Brachypodium distachyon
© 2019 Ron Vanderhoff

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

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

ASTERACEAE

Brickellia californica
© 2020 Diane Etchison
Brickellia californica
© 2018 Diane Etchison
Brickellia californica
© 2022 Ron Vanderhoff

Brodiaea terrestris    Dwarf brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea terrestris
© 2023 Steve Conger
Brodiaea terrestris
© 2023 Steve Conger
Brodiaea terrestris
© 2019 Mary Gerbic

Bromus arenarius    Australian brome,  Australian chess
non-native
Annual grass

POACEAE

Bromus arenarius
© 2019 Ron Vanderhoff
Bromus arenarius
© 2019 Ron Vanderhoff

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

POACEAE

Bromus carinatus var. carinatus
© 2016 Richard Chasey
Bromus carinatus var. carinatus
© 2013 Jean Pawek
Bromus carinatus var. carinatus
© 2021 Amelia Ryan

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

POACEAE

Bromus diandrus
© Alize
Bromus diandrus
© 2021 Richard Spjut
Bromus diandrus
© 2024 David popp

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

non-native
Annual grass

POACEAE

Bromus madritensis ssp. madritensis
© 2015 Chris Jaster
Bromus madritensis ssp. madritensis
© 2015 Chris Jaster
Bromus madritensis ssp. madritensis
© 2015 Chris Jaster

invasive non-native
Annual grass

POACEAE

Bromus madritensis ssp. rubens
© 2015 Chris Jaster
Bromus madritensis ssp. rubens
© 2015 jamie smith
Bromus madritensis ssp. rubens
© 2018 Gary McDonald

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

POACEAE

Bromus tectorum
© 2022 Ron Vanderhoff
Bromus tectorum
© 2022 Ron Vanderhoff
Bromus tectorum
© 2022 Ron Vanderhoff

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

California macrophylla    Round leaved filaree
native
Annual herb

GERANIACEAE

California macrophylla
© 2016 Steve Matson
California macrophylla
© 2016 Steve Matson
California macrophylla
© 2022 Cynthia Adkisson

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 catalinae    Catalina mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus catalinae
© 2017 Steve Matson
Calochortus catalinae
© 2023 Ron Vanderhoff
Calochortus catalinae
© 2023 Ron Vanderhoff

Calochortus clavatus var. pallidus    Clubhair mariposa lily,  Pale yellow mariposa
native
Perennial herb

LILIACEAE

Calochortus clavatus var. pallidus
© 2021 Mike Russler
Calochortus clavatus var. pallidus
© 2021 Dee Shea Himes
Calochortus clavatus var. pallidus
© 2022 Dee Shea Himes

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
© 2019 Gordon Jenkins
Calochortus splendens
© 2024 Ken-ichi Ueda
Calochortus splendens
© 2022 Mike Russler

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus
© 2014 Steve Matson
Calochortus venustus
© 2012 Zack Abbey
Calochortus venustus
© 2019 Randy Huey

Calystegia collina ssp. venusta    South coast range morning glory
rare native
Perennial herb (rhizomatous)

CONVOLVULACEAE

Calystegia collina ssp. venusta
© 2022 Mike Russler
Calystegia collina ssp. venusta
© 2019 Jennifer Wheeler
Calystegia collina ssp. venusta
© 2022 Mike Russler

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

CONVOLVULACEAE

Calystegia malacophylla ssp. pedicillata
© 2022 Alaine Arslan
Calystegia malacophylla ssp. pedicillata
© 2019 Liz Block
Calystegia malacophylla ssp. pedicillata
© 2018 Matt Berger

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

CONVOLVULACEAE

Calystegia purpurata ssp. purpurata
© 2021 Cara Wilcox
Calystegia purpurata ssp. purpurata
© 2014 James Gonsman
Calystegia purpurata ssp. purpurata
© 2020 Robert Steers

Camissoniopsis intermedia    Intermediate sun cups
native
Annual herb

ONAGRACEAE

Camissoniopsis intermedia
© 2017 David Greenberger
Camissoniopsis intermedia
© 2016 Erik Larsen
Camissoniopsis intermedia
© 2021 R.A. Chasey

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis micrantha
© 2024 Mike Russler
Camissoniopsis micrantha
© 2021 Cara Wilcox
Camissoniopsis micrantha
© 2023 Ron Vanderhoff

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

BRASSICACEAE

Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

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

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 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

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis
© 2019 Aleksandra Evert
Castilleja affinis
© 2019 Diane Etchison
Castilleja affinis
© 2019 Diane Etchison

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 exserta ssp. exserta    Exserted indian paintbrush,  Pale purple owlclover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. exserta
© 2020 David Greenberger
Castilleja exserta ssp. exserta
© 2019 Ron Vanderhoff
Castilleja exserta ssp. exserta
© 2023 Ron Vanderhoff

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Caulanthus amplexicaulis ssp. barbarae    Claspingleaf wild cabbage,  Santa barbara jewelflower
rare native
Annual herb

BRASSICACEAE

Caulanthus amplexicaulis ssp. barbarae
© 2023 Bryant Baker
Caulanthus amplexicaulis ssp. barbarae
© 2023 Bryant Baker
Caulanthus amplexicaulis ssp. barbarae
© 2023 Zach Kinman

Caulanthus lasiophyllus    California mustard
native
Annual herb

BRASSICACEAE

Caulanthus lasiophyllus
© 2022 Steve Matson
Caulanthus lasiophyllus
© 2023 Steve Matson
Caulanthus lasiophyllus
© 2010 Steve Matson

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
© 2017 Robert Barnard
Ceanothus cuneatus var. ramulosus
© 2020 Robert Steers
Ceanothus cuneatus var. ramulosus
© 2023 Robert Steers

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

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

Ceratophyllum demersum    Coon's tail,  Hornwort
native
Perennial herb

CERATOPHYLLACEAE

Ceratophyllum demersum
© 2023 Zoya Akulova-Barlow
Ceratophyllum demersum
© 2018 Ron Vanderhoff
Ceratophyllum demersum
© 2022 Donald Burk

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

Chaenactis glabriuscula var. glabriuscula    Common yellow chaenactis,  Yellow pincushion
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. glabriuscula
© 2020 David Greenberger
Chaenactis glabriuscula var. glabriuscula
© 2024 Mike Russler
Chaenactis glabriuscula var. glabriuscula
© 2024 Mike Russler

Chenopodium berlandieri var. sinuatum    Pitseed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri var. sinuatum
© 2014 Ron Vanderhoff
Chenopodium berlandieri var. sinuatum
© 2023 Dianne Lake
Chenopodium berlandieri var. sinuatum
© 2018 Ron Vanderhoff

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler

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
© 2023 Ron Vanderhoff

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

Chorizanthe staticoides
© 2019 Ron Vanderhoff
Chorizanthe staticoides
© 2019 Bryant Baker
Chorizanthe staticoides
© 2019 Ron Vanderhoff

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

ASTERACEAE

Cirsium occidentale var. californicum
© 2021 Amber Bedgood
Cirsium occidentale var. californicum
© 2021 Mike Russler
Cirsium occidentale var. californicum
© 2013 James Gonsman

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 bottae    Botta's clarkia,  Punch bowl godetia
native
Annual herb

ONAGRACEAE

Clarkia bottae
© 2023 Ron Vanderhoff
Clarkia bottae
© 2020 Steve Laymon
Clarkia bottae
© 2020 Steve Laymon

Clarkia cylindrica ssp. cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica ssp. cylindrica
© 2019 David Greenberger
Clarkia cylindrica ssp. cylindrica
© 2019 Bryant Baker
Clarkia cylindrica ssp. cylindrica
© 2020 Steve Laymon

Clarkia epilobioides    Canyon clarkia,  Willow herb clarkia
native
Annual herb

ONAGRACEAE

Clarkia epilobioides
© 2017 Steve Matson
Clarkia epilobioides
© 2017 Steve Matson
Clarkia epilobioides
© 2017 Steve Matson

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

ONAGRACEAE

Clarkia purpurea ssp. purpurea
© 2020 R.A. Chasey
Clarkia purpurea ssp. purpurea
© 2018 Steve Laymon
Clarkia purpurea ssp. purpurea
© 2023 Ron Vanderhoff

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
© 2016 Steve Matson
Clarkia purpurea ssp. quadrivulnera
© 2016 Steve Matson

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

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
© 2008 Steve Matson
Clematis lasiantha
© 2018 Steve Matson
Clematis lasiantha
© 2024 Dana York

Clinopodium mimuloides    Monkey flower savory,  Monkeyflower savory
rare native
Perennial herb

LAMIACEAE

Clinopodium mimuloides
© 2020 David Wolfson
Clinopodium mimuloides
© 2018 Scott Yarger
Clinopodium mimuloides
© 2018 Scott Yarger

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla
© 2022 Mary Ann Machi
Collinsia heterophylla
© 2019 David Greenberger
Collinsia heterophylla
© 2019 Ron Vanderhoff

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

CONVOLVULACEAE

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

Convolvulus simulans    Small flowered morning glory
rare native
Annual herb

CONVOLVULACEAE

Convolvulus simulans
© 2016 Ron Vanderhoff
Convolvulus simulans
© 2017 James Bailey
Convolvulus simulans
© 2023 David Gowen

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

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

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

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

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

POACEAE

Crypsis schoenoides
© 2023 Ron Vanderhoff
Crypsis schoenoides
© 2018 Ron Vanderhoff
Crypsis schoenoides
© 2019 Ron Vanderhoff

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

BORAGINACEAE

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

Cryptantha intermedia var. intermedia    Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia var. intermedia
© 2019 Ron Vanderhoff
Cryptantha intermedia var. intermedia
© 2021 Ron Vanderhoff
Cryptantha intermedia var. intermedia
© 2023 Ron Vanderhoff

Cucurbita foetidissima    Calabazilla,  Missouri gourd,  Mock orange
native
Perennial herb, Vine

CUCURBITACEAE

Cucurbita foetidissima
© 2014 Steve Matson
Cucurbita foetidissima
© 2014 Steve Matson
Cucurbita foetidissima
© 2021 Ron Vanderhoff

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

CONVOLVULACEAE

Cuscuta californica var. californica
© 2021 R.A. Chasey
Cuscuta californica var. californica
© 2021 Ron Vanderhoff
Cuscuta californica var. californica
© 2021 Ron Vanderhoff

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

Cyperus esculentus    Chufa flatsedge,  Nut grass,  Yellow nutgrass
native
Perennial grasslike herb

CYPERACEAE

Cyperus esculentus
© 2020 Ron Vanderhoff
Cyperus esculentus
© 2015 Gerald Carr
Cyperus esculentus
© 2019 Ron Vanderhoff

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

SOLANACEAE

Datura wrightii
© 2019 Bonnie Nickel
Datura wrightii
© 2019 Ron Vanderhoff
Datura wrightii
© 2019 Bonnie Nickel

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

Deinandra fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

Deinandra fasciculata
© 2017 Steve Matson
Deinandra fasciculata
© 2017 Steve Matson
Deinandra fasciculata
© 2017 Steve Matson

Delphinium patens ssp. hepaticoideum    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens ssp. hepaticoideum
© 2007 K Suri
Delphinium patens ssp. hepaticoideum
© 2021 Arlee Montalvo
Delphinium patens ssp. hepaticoideum
© 2020 Ron Vanderhoff

Dichelostemma capitatum ssp. capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum ssp. capitatum
© 2017 Alison Sheehey
Dichelostemma capitatum ssp. capitatum
© Geoff Burleigh
Dichelostemma capitatum ssp. capitatum
© 2015 Ken Lunders

Diplacus longiflorus    southern bush monkeyflower
native
Shrub

PHRYMACEAE

Diplacus longiflorus
© 2021 Keir Morse
Diplacus longiflorus
© 2014 Steve Matson
Diplacus longiflorus
© 2021 Keir Morse

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 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

Dudleya pulverulenta    Chalk dudleya
native
Perennial herb

CRASSULACEAE

Dudleya pulverulenta
© 2018 Ron Vanderhoff
Dudleya pulverulenta
© 2020 Julia Markey
Dudleya pulverulenta
© 2019 Diane Etchison

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 montevidensis    Montevideo spike rush,  Sand spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis montevidensis
© 2021 Ron Vanderhoff
Eleocharis montevidensis
© 2021 Ron Vanderhoff
Eleocharis montevidensis
© 2020 John Rawlings

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
© 2020 Ron Vanderhoff
Elymus condensatus
© 2024 Mel Letterman
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
© 2023 R.A. Chasey
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 ponticus    Tall wheat grass
non-native
Perennial grass

POACEAE

Elymus ponticus
© 2024 Ron Vanderhoff
Elymus ponticus
© 2024 Ron Vanderhoff
Elymus ponticus
© 2024 Ron Vanderhoff

Elymus repens    Quack grass
non-native
Perennial grass

POACEAE

Elymus repens
© 2005 Louis-M. Landry
Elymus repens
© 2005 Louis-M. Landry
Elymus repens
© 2008 Keir Morse

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
© 2024 Erin Bergman
Elymus triticoides
© 2021 Ron Vanderhoff
Elymus triticoides
© 2018 Rachelle Gray

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

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora
© 2014 Steve Matson
Emmenanthe penduliflora var. penduliflora
© 2014 Steve Matson
Emmenanthe penduliflora var. penduliflora
© 2010 Steve Matson

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    Fringed willowherb,  Northern willow herb,  Slender willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum
© 2021 stephen rosenthal
Epilobium ciliatum
© 2019 Patrick Furtado
Epilobium ciliatum
© 2019 Gary McDonald

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

ONAGRACEAE

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

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

ORCHIDACEAE

Epipactis gigantea
© 2024 Mary Ann Machi
Epipactis gigantea
© 2020 Ron Vanderhoff
Epipactis gigantea
© 2018 Anna Sereno

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
© 2013 Michael Mitchell
Equisetum hyemale ssp. affine
© 2011 Michael Mitchell
Equisetum hyemale ssp. affine
© 2023 Ron Vanderhoff

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

EQUISETACEAE

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

Eremothera boothii ssp. decorticans    Shredding evening-primrose
native
Annual herb

ONAGRACEAE

Eremothera boothii ssp. decorticans
© 2019 Matt Berger
Eremothera boothii ssp. decorticans
© 2020 David Greenberger
Eremothera boothii ssp. decorticans
© 2020 Bryant Baker

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
© 2024 Mike Russler
Erigeron foliosus var. foliosus
© 2022 Ron Vanderhoff

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 fasciculatum var. polifolium    California buckwheat,  Eastern mojave buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson
Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson
Eriogonum fasciculatum var. polifolium
© 2022 Steve Matson

Eriogonum gracile var. gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracile var. gracile
© 2021 Mike Russler
Eriogonum gracile var. gracile
© 2022 Ron Vanderhoff
Eriogonum gracile var. gracile
© 2023 Ron Vanderhoff

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

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
© 2023 Ryan O'Dell
Eriophyllum confertiflorum var. confertiflorum
© 2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
© 2020 Ron Vanderhoff

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

Erysimum capitatum    Sanddune wallflower,  Western wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum
© 2018 Janith Johnson
Erysimum capitatum
© 2023 Julia Markey
Erysimum capitatum
© 2019 Diane Etchison

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Erythranthe cardinalis
© 2023 Steve Conger
Erythranthe cardinalis
© 2014 James Gonsman
Erythranthe cardinalis
© 2023 Mary Ann Machi

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

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

HYDROPHYLLACEAE

Eucrypta chrysanthemifolia var. chrysanthemifolia
© 2014 Steve Matson
Eucrypta chrysanthemifolia var. chrysanthemifolia
© 2014 Steve Matson
Eucrypta chrysanthemifolia var. chrysanthemifolia
© 2014 Steve Matson

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

Eulobus californicus
© 2019 Elexis Padron
Eulobus californicus
© 2019 Ron Vanderhoff
Eulobus californicus
© 2019 Elexis Padron

Euphorbia crenulata    Chinese caps,  Chinesecaps
native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia crenulata
© 2008 Steve Matson
Euphorbia crenulata
© 2008 Steve Matson
Euphorbia crenulata
© 2008 Steve Matson

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia peplus
© 2006 Steve Matson
Euphorbia peplus
© 2022 Alice Cummings
Euphorbia peplus
© 2018 MCOSD EDRR

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
© 2008 Steve Matson
Euphorbia spathulata
© 2014 Steve Matson
Euphorbia spathulata
© 2014 Steve Matson

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
© 2023 Ron Vanderhoff
Festuca perennis
© 2021 Ron Vanderhoff

Festuca temulenta    Darnel, tares
non-native
Annual grass

POACEAE

Festuca temulenta
© 2016 Spade Natural Resources Consulting
Festuca temulenta
© 2020 David popp
Festuca temulenta
© 2019 Stephany Dery

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

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

Frangula californica ssp. tomentella    Hoary coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. tomentella
© 2020 R.A. Chasey
Frangula californica ssp. tomentella
© 2016 Ron Vanderhoff
Frangula californica ssp. tomentella
© 2023 Ron Vanderhoff

Fraxinus velutina    Arizona ash,  Velvet ash
native
Tree

OLEACEAE

Fraxinus velutina
© 2021 Ron Vanderhoff
Fraxinus velutina
© 2021 Ron Vanderhoff
Fraxinus velutina
© 2013 Ron Vanderhoff

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 andrewsii ssp. andrewsii    Andrews' bedstraw,  Phlox leaved bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii ssp. andrewsii
© 2018 Gary McDonald
Galium andrewsii ssp. andrewsii
© 2018 Gary McDonald
Galium andrewsii ssp. andrewsii
© 2018 Gary McDonald

Galium angustifolium ssp. angustifolium    Narrow leaved bedstraw,  Narrowleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium angustifolium ssp. angustifolium
© 2017 Steve Matson
Galium angustifolium ssp. angustifolium
© 2020 Ron Vanderhoff
Galium angustifolium ssp. angustifolium
© 2017 Steve Matson

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

RUBIACEAE

Galium aparine
© 2020 Ron Vanderhoff
Galium aparine
© 2023 Julia Markey
Galium aparine
© 2020 Ron Vanderhoff

Galium nuttallii ssp. nuttallii    Climbing bedstraw
native
Perennial herb

RUBIACEAE

Galium nuttallii ssp. nuttallii
© 2016 Ron Vanderhoff
Galium nuttallii ssp. nuttallii
© 2019 Diane Etchison
Galium nuttallii ssp. nuttallii
© 2018 Ron Vanderhoff

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

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 carolinianum    Carolina geranium
native
Annual herb

GERANIACEAE

Geranium carolinianum
© 2021 Ron Vanderhoff
Geranium carolinianum
© 2024 Ron Vanderhoff
Geranium carolinianum
© 2024 Ron Vanderhoff

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
invasive non-native
Annual, Perennial herb

GERANIACEAE

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

native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. achilleifolia
© 2021 Helen Hancock
Gilia achilleifolia ssp. achilleifolia
© 2022 R.A. Chasey
Gilia achilleifolia ssp. achilleifolia
© 2021 Mary Conway

Gilia capitata ssp. abrotanifolia    Ball gilia,  Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata ssp. abrotanifolia
© 2016 Steve Matson
Gilia capitata ssp. abrotanifolia
© 2016 Steve Matson
Gilia capitata ssp. abrotanifolia
© 2016 Steve Matson

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 ochroleuca ssp. exilis    Volcanic gilia
native
Annual herb

POLEMONIACEAE

Gilia ochroleuca ssp. exilis
© 2010 Michael Charters
Gilia ochroleuca ssp. exilis
© 2010 Michael Charters
Gilia ochroleuca ssp. exilis
© 2010 Michael Charters

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 hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
© 2021 R.A. Chasey
Grindelia hirsutula
© 2020 R.A. Chasey
Grindelia hirsutula
© 2015 Ken Lunders

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

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

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

Hesperolinon micranthum    Common dwarf flax,  Small flower western flax,  Small flowered dwarf flax
native
Annual herb

LINACEAE

Hesperolinon micranthum
© 2024 Mike Russler
Hesperolinon micranthum
© 2024 Mike Russler
Hesperolinon micranthum
© 2021 R.A. Chasey

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Hesperoyucca whipplei
© Geoff Burleigh
Hesperoyucca whipplei
© 2023 Jordan Collins
Hesperoyucca whipplei
© 2020 Julia Markey

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

Heterotheca grandiflora
© 2021 Mike Russler
Heterotheca grandiflora
© 2021 Mike Russler
Heterotheca grandiflora
© 2021 Mike Russler

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

ASTERACEAE

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

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

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

Juncus arcticus var. mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

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

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 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

Juniperus californica    California juniper
native
Shrub

CUPRESSACEAE

Juniperus californica
© 2019 Patrick Furtado
Juniperus californica
© 2017 Gary McDonald
Juniperus californica
© 2014 Ron Vanderhoff

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

PLANTAGINACEAE

Keckiella cordifolia
© 2020 Ron Vanderhoff
Keckiella cordifolia
© 2022 Bryant Baker
Keckiella cordifolia
© 2022 Bryant Baker

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 serriola    Prickly lettuce,  Prickly wild lettuce
invasive 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
© 2024 Mike Russler
Lagophylla ramosissima
© 2021 Dee Shea Himes
Lagophylla ramosissima
© 2022 Mike Russler

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 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

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

Lepidium lasiocarpum ssp. lasiocarpum    Shaggyfruit pepperweed
native
Annual herb

BRASSICACEAE

Lepidium lasiocarpum ssp. lasiocarpum
© 2022 Steve Matson
Lepidium lasiocarpum ssp. lasiocarpum
© 2015 Steve Matson
Lepidium lasiocarpum ssp. lasiocarpum
© 2022 Steve Matson

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 virginicum ssp. menziesii    Robinson's pepper grass
native
Annual herb

BRASSICACEAE

Lepidium virginicum ssp. menziesii
© 2011 Ramona Robison
Lepidium virginicum ssp. menziesii
© 2018 Al Keuter
Lepidium virginicum ssp. menziesii
© 2018 Al Keuter

Lepidospartum squamatum    California broomsage,  California broomshrub,  Scale broom
native
Shrub

ASTERACEAE

Lepidospartum squamatum
© 2021 Mike Russler
Lepidospartum squamatum
© 2021 David Wolfson
Lepidospartum squamatum
© 2021 Mike Russler

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

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

Leptosyne bigelovii    Bigelow coreopsis
native
Annual herb

ASTERACEAE

Leptosyne bigelovii
© 2022 Mike Russler
Leptosyne bigelovii
© 2020 John L. Thompson
Leptosyne bigelovii
© 2020 Matt Berger

Linanthus californicus    Prickly phlox
native
Shrub

POLEMONIACEAE

Linanthus californicus
© 2018 Ron Vanderhoff
Linanthus californicus
© 2020 Matt Berger
Linanthus californicus
© 2019 Diane Etchison

Lithophragma cymbalaria    Mission star,  Mission woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma cymbalaria
© 2020 Bryant Baker
Lithophragma cymbalaria
© 2020 David Greenberger
Lithophragma cymbalaria
© 2023 Martin Schenker

Lobelia dunnii var. serrata    Dunn's lobelia
native
Perennial herb

CAMPANULACEAE

Lobelia dunnii var. serrata
© 2019 Ron Vanderhoff
Lobelia dunnii var. serrata
© 2013 Ron Vanderhoff
Lobelia dunnii var. serrata
© 2018 Ron Vanderhoff

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    Hog fennel,  Lace parsnip,  Woolly fruited lomatium
native
Perennial herb

APIACEAE

Lomatium dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum
© 2021 Paul Aigner

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 subspicata var. denudata    Chaparral honeysuckle,  Johnston's honeysuckle,  Santa barbara honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata var. denudata
© 2019 Diane Etchison
Lonicera subspicata var. denudata
© 2021 Ron Vanderhoff
Lonicera subspicata var. denudata
© 2019 Diane Etchison

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 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 microcarpus var. microcarpus    Chick lupine,  Valley lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. microcarpus
© 2006 Steve Matson
Lupinus microcarpus var. microcarpus
© 2006 Steve Matson
Lupinus microcarpus var. microcarpus
© 2006 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

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

FABACEAE

Lupinus truncatus
© 2023 Caitlin Kreutz
Lupinus truncatus
© 2023 Connor O'Hara-Baker
Lupinus truncatus
© 2010 Michael Mitchell

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

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

ASTERACEAE

Madia gracilis
© 2024 Mike Russler
Madia gracilis
© 2021 Amber Bedgood
Madia gracilis
© 2019 Ron Vanderhoff

native
Shrub

MALVACEAE

Malacothamnus fasciculatus var. nuttallii
© 2014 Keir Morse
Malacothamnus fasciculatus var. nuttallii
© 2014 Keir Morse
Malacothamnus fasciculatus var. nuttallii
© 2014 Keir Morse

Malacothrix californica    California dandelion,  Desert dandelion
native
Annual herb

ASTERACEAE

Malacothrix californica
© 2023 David Wolfson
Malacothrix californica
© 2023 David Wolfson
Malacothrix californica
© 2024 Ron Vanderhoff

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

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

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

Malva parviflora
© 2022 Mike Russler
Malva parviflora
© 2022 Donald Burk
Malva parviflora
© 2022 Mike Russler

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

Matricaria occidentalis    Valley mayweed
native
Annual herb

ASTERACEAE

Matricaria occidentalis
© 2016 Steve Matson
Matricaria occidentalis
© 2016 Steve Matson
Matricaria occidentalis
© 2016 Steve Matson

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

Melica californica var. californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica var. californica
© 2023 John Rawlings
Melica californica var. californica
© 2021 John Rawlings
Melica californica var. 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

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

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    Cotton top,  Micropus,  Q tips
native
Annual herb

ASTERACEAE

Micropus californicus
© 2006 Steve Matson
Micropus californicus
© 2006 Steve Matson
Micropus californicus
© 2021 Ron Vanderhoff

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

ASTERACEAE

Microseris douglasii
© 2017 Steve Matson
Microseris douglasii
© 2017 Steve Matson
Microseris douglasii
© 2017 Steve Matson

Microseris elegans    Elegant silverpuffs
native
Annual herb

ASTERACEAE

Microseris elegans
© 2011 Zoya Akulova
Microseris elegans
© 2024 Dianne Lake
Microseris elegans
© 2024 Dianne Lake

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

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

Mimulus brevipes    Wide throated yellow monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus brevipes
© 2019 Rebecca E. Crowe
Mimulus brevipes
© 2013 Keir Morse
Mimulus brevipes
© 2020 Ron Vanderhoff

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

PHRYMACEAE

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

Minuartia douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

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

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

Muhlenbergia rigens
© 2004 Steve Matson
Muhlenbergia rigens
© 2018 Cynthia Powell
Muhlenbergia rigens
© 2022 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 mitracarpa    Paso robles navarretia
native
Annual herb

POLEMONIACEAE

Navarretia mitracarpa
© 2022 Mike Russler
Navarretia mitracarpa
© 2019 David Greenberger
Navarretia mitracarpa
© 2022 Mike Russler

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 glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca
© 2019 Jean B Henney
Nicotiana glauca
© 2017 Steve Matson
Nicotiana glauca
© 2017 Steve Matson

Orobanche californica ssp. feudgi    California orobanche
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche californica ssp. feudgi
© 2014 Steve Matson
Orobanche californica ssp. feudgi
© 2014 Steve Matson
Orobanche californica ssp. feudgi
© 2016 Andrea Pickart

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

Papaver heterophyllum
© 2017 Gary McDonald
Papaver heterophyllum
© 2021 Mike Russler
Papaver heterophyllum
© 2020 Joe Engelbrecht

Parkinsonia aculeata    Jerusalem thorn,  Mexican palo verde
invasive non-native
Tree

FABACEAE

Parkinsonia aculeata
© 2021 Ron Vanderhoff
Parkinsonia aculeata
© 2021 Ron Vanderhoff
Parkinsonia aculeata
© 2021 Ron Vanderhoff

Pectocarya linearis ssp. ferocula    Sagebrush combseed,  Slender comb seed,  Slender pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya linearis ssp. ferocula
© 2014 Steve Matson
Pectocarya linearis ssp. ferocula
© 2014 Steve Matson
Pectocarya linearis ssp. ferocula
© 2014 Steve Matson

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

native
Fern

PTERIDACEAE

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

Phacelia cicutaria var. hispida    Caterpillar phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia cicutaria var. hispida
© 2017 Steve Matson
Phacelia cicutaria var. hispida
© 2017 Steve Matson
Phacelia cicutaria var. hispida
© 2017 Steve Matson

Phacelia imbricata    Imbricate phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia imbricata
© 2019 Steve Matson
Phacelia imbricata
© 2019 Steve Matson
Phacelia imbricata
© 2019 Steve Matson

Phacelia viscida var. albiflora    Sticky phacelia,  White phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia viscida var. albiflora
© 2017 John L. Thompson
Phacelia viscida var. albiflora
© 2017 John L. Thompson
Phacelia viscida var. albiflora
© 2016 Emily Han

Pholistoma auritum    Blue fiestaflower,  Fiesta flower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma auritum
© 2014 Steve Matson
Pholistoma auritum
© 2014 Steve Matson
Pholistoma auritum
© 2014 Steve Matson

native
Shrub (parasitic)

VISCACEAE

Phoradendron leucarpum ssp. macrophyllum
© 2021 Ron Vanderhoff
Phoradendron leucarpum ssp. macrophyllum
© 2021 Ron Vanderhoff
Phoradendron leucarpum ssp. macrophyllum
© 2021 Ron Vanderhoff

native
Shrub (parasitic)

VISCACEAE

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

Physalis philadelphica    Mexican groundcherry,  Tomatillo
non-native
Annual herb

SOLANACEAE

Physalis philadelphica
© 2020 Alice Cummings
Physalis philadelphica
© 2022 Donald Burk
Physalis philadelphica
© 2020 Alice Cummings

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

PINACEAE

Pinus sabiniana
© 2022 Cynthia Powell
Pinus sabiniana
© 2019 Cynthia Powell
Pinus sabiniana
© 2021 R.A. Chasey

Plagiobothrys acanthocarpus    Adobe allocarya,  Adobe popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys acanthocarpus
© 2017 Steve Matson
Plagiobothrys acanthocarpus
© 2017 Steve Matson
Plagiobothrys acanthocarpus
© 2024 Catherine Chang

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 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

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
© 2017 Nathanial Wigington
Platystemon californicus
© 2022 John L. Thompson
Platystemon californicus
© 2022 John L. Thompson

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

POACEAE

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

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

POLYGONACEAE

Polygonum aviculare ssp. depressum
© 2016 Barbara Boethling
Polygonum aviculare ssp. depressum
© 2021 Ron Vanderhoff
Polygonum aviculare ssp. depressum
© 2014 Richard Chasey

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

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

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

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

Primula clevelandii var. insularis    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Primula clevelandii var. insularis
© 2020 Aaron Echols
Primula clevelandii var. insularis
© 2019 Adam Chasey
Primula clevelandii var. insularis
© 2017 B.J. Dion

Proboscidea louisianica ssp. louisianica    Common devil's claw,  Ram's horn
non-native
Annual herb

MARTYNIACEAE

Proboscidea louisianica ssp. louisianica
© 0000 Zoya Akulova-Barlow
Proboscidea louisianica ssp. louisianica
© 2012 Shari Gardner
Proboscidea louisianica ssp. louisianica
© 2024 Mel Letterman

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

ROSACEAE

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

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

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

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

Pyracantha angustifolia    Narrowleaf firethorn
invasive non-native
Shrub

ROSACEAE

Pyracantha angustifolia
© 2018 Abbot Chambers
Pyracantha angustifolia
© 2019 Abbot Chambers
Pyracantha angustifolia
© 2018 Chris Qian

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
© 2022 Ron Vanderhoff
Quercus berberidifolia
© 2022 David Strauch

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

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

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 californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
© 2016 Steve Matson
Ranunculus californicus
© 2016 Steve Matson
Ranunculus 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

Raphanus sativus    Cultivated radish,  Jointed charlock,  Wild radish
invasive non-native
Annual, Biennial herb

BRASSICACEAE

Raphanus sativus
© 2017 Lisa Miller
Raphanus sativus
© 2020 Ron Vanderhoff
Raphanus sativus
© 2023 Julia Markey

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 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 malvaceum var. malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. malvaceum
© 2023 R.A. Chasey
Ribes malvaceum var. malvaceum
© 2020 Ron Vanderhoff
Ribes malvaceum var. malvaceum
© 2023 R.A. Chasey

Ribes malvaceum var. viridifolium    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. viridifolium
© 2012 Ron Vanderhoff
Ribes malvaceum var. viridifolium
© Geoff Burleigh
Ribes malvaceum var. viridifolium
© 2020 Susan McDougall

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

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

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 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 salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2023 Helen Hancock

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
© 2017 Steve Matson
Salix laevigata
© 2017 Steve Matson
Salix laevigata
© 2017 Steve Matson

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salsola tragus    Prickly russian thistle,  Russianthistle,  Tumbleweed
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola tragus
© 2017 Ron Vanderhoff
Salsola tragus
© 2018 Angelique Herman
Salsola tragus
© 2023 Cynthia Powell

Salvia carduacea    Thistle sage
native
Annual herb

LAMIACEAE

Salvia carduacea
© 2016 Steve Matson
Salvia carduacea
© 2016 Michael Mitchell
Salvia carduacea
© 2016 Michael Mitchell

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla
© 2015 Steven M Norris
Salvia leucophylla
© 2019 Janith Johnson
Salvia leucophylla
© 2018 Ron Vanderhoff

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

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

Sambucus nigra ssp. caerulea    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus nigra ssp. caerulea
© 2021 Mike Russler
Sambucus nigra ssp. caerulea
© 2020 Diane Etchison
Sambucus nigra ssp. caerulea
© 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 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

Schinus molle    Peruvian pepper tree,  Peruvian peppertree
invasive non-native
Tree

ANACARDIACEAE

Schinus molle
© 2021 stephen rosenthal
Schinus molle
© 2017 William McCarey
Schinus molle
© 2023 Ron Vanderhoff

Schismus barbatus    Common mediterranean grass,  Old han schismus
invasive non-native
Annual grass

POACEAE

Schismus barbatus
© 2022 Ron Vanderhoff
Schismus barbatus
© 2022 Ron Vanderhoff
Schismus barbatus
© 2022 Ron Vanderhoff

Schoenoplectus pungens var. badius    Common threesquare
native
Perennial grasslike herb

CYPERACEAE

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

Selaginella bigelovii    Bigelow's moss fern,  Bigelow's spike moss,  Bushy spikemoss
Selaginella bigelovii
© 2019 Ron Vanderhoff
Selaginella bigelovii
© 2019 Ron Vanderhoff
Selaginella bigelovii
© 2018 Ron Vanderhoff

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

ASTERACEAE

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

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
© 2023 Ron Vanderhoff
Senecio vulgaris
© 2021 Toni Corelli

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

CARYOPHYLLACEAE

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

Silene 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

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

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 douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
© 2006 Steve Matson
Solanum douglasii
© 2006 Steve Matson
Solanum douglasii
© 2006 Steve Matson

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

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

Solidago 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

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

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

LAMIACEAE

Stachys pycnantha
© 2023 David Wolfson
Stachys pycnantha
© 2019 David Wolfson
Stachys pycnantha
© 2021 Dan Quinn

Stachys rigida var. rigida    Rough hedgenettle
native
Perennial herb

LAMIACEAE

Stachys rigida var. rigida
© 2014 Steve Matson
Stachys rigida var. rigida
© 2014 Steve Matson
Stachys rigida var. rigida
© 2014 Steve Matson

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
© 2024 Dana York
Stellaria nitens
© 2022 Catherine Chang
Stellaria nitens
© 2020 Ken Hickman

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 virgata    Rod wirelettuce,  Tall stephanomeria,  Twiggy wreath plant
native
Annual herb

ASTERACEAE

Stephanomeria virgata
© 2019 Steven M Norris
Stephanomeria virgata
© 2022 Helen Hancock
Stephanomeria virgata
© 2019 Steven M Norris

Stipa cernua    Nodding needle grass
native
Perennial grass

POACEAE

Stipa cernua
© 2018 Liz Block
Stipa cernua
© 2022 Ron Vanderhoff
Stipa cernua
© 2022 Dianne Lake

Stipa coronata    Crested needle grass
native
Perennial grass

POACEAE

Stipa coronata
© 2024 Ron Vanderhoff
Stipa coronata
© 2024 Alisa Flint
Stipa coronata
© 2019 Rachelle Gray

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
© 2017 Gary McDonald
Stipa lepida
© 2023 Ron Vanderhoff
Stipa lepida
© 2024 Mel Letterman

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

POACEAE

Stipa miliacea var. miliacea
© 2022 Donald Burk
Stipa miliacea var. miliacea
© 2022 Ron Vanderhoff
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

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 mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

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

Tamarix ramosissima    Saltcedar,  Tamarisk
invasive non-native
Tree, Shrub

TAMARICACEAE

Tamarix ramosissima
© 2018 Larry E. Hendrickson
Tamarix ramosissima
© 2017 Barbara Boethling
Tamarix ramosissima
© 2022 Ron Vanderhoff

Tetrapteron graciliflorum    Hill sun cup
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

Thysanocarpus curvipes
© 2019 Steve Matson
Thysanocarpus curvipes
© 2014 Steve Matson
Thysanocarpus curvipes
© 2016 Steve Matson

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

BRASSICACEAE

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

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

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 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

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

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

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
© 2005 Steve Matson
Trifolium ciliolatum
© 2005 Steve Matson
Trifolium ciliolatum
© 2005 Steve Matson

Trifolium depauperatum var. amplectens    Balloon sack clover,  Pale bladder clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. amplectens
© 2018 David Greenberger
Trifolium depauperatum var. amplectens
© 2013 Andrea Williams
Trifolium depauperatum var. amplectens
© 2018 David Greenberger

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff
Trifolium depauperatum var. truncatum
© 2023 Steven Mills Glascock
Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff

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 gracilentum    Graceful clover,  Pin point clover,  Pinpoint clover
native
Annual herb

FABACEAE

Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Tropidocarpum gracile    Dobie pod,  Slender keel fruit,  Slender tropidocarpum
native
Annual herb

BRASSICACEAE

Tropidocarpum gracile
© 2014 Steve Matson
Tropidocarpum gracile
© 2014 Steve Matson
Tropidocarpum gracile
© 2014 Steve Matson

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

TYPHACEAE

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

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

TYPHACEAE

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

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

Verbena bracteata    Bigbract verbena,  Bracted verbena
native
Annual, Perennial herb

VERBENACEAE

Verbena bracteata
© 2021 Donald Burk
Verbena bracteata
© 2019 Ron Vanderhoff
Verbena bracteata
© 2018 Ron Vanderhoff

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida
© 2021 R.A. Chasey
Verbena lasiostachys var. scabrida
© 2023 Ron Vanderhoff
Verbena lasiostachys var. scabrida
© 2020 Ron Vanderhoff

Veronica catenata    Chain speedwell
non-native
Perennial herb

PLANTAGINACEAE

Veronica catenata
© 2024 Mike Russler
Veronica catenata
© 2024 Mike Russler
Veronica catenata
© 2024 Mike Russler

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

Vicia hassei    Hasse's vetch
native
Vine

FABACEAE

Vicia hassei
© 2023 R.A. Chasey
Vicia hassei
© 2016 Phil Johnson
Vicia hassei
© 2023 R.A. Chasey

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

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

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

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium
© 2011 Steve Matson
Xanthium strumarium
© 2011 Steve Matson
Xanthium strumarium
© 2011 Steve Matson

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

Yabea microcarpa
© 2021 Helen Hancock
Yabea microcarpa
© 2022 R.A. Chasey
Yabea microcarpa
© 2012 Toni Corelli

Zannichellia palustris    Horned pondweed
native
Perennial herb

ZANNICHELLIACEAE

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