logo Calflora  Illustrated Plant List 
Bishop Peak and Ferrini Ranch Open Space
Bishop Peak Open Space San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-02)

Record Detail Nearby Surveys What Grows Here?
230 PLANTS
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 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

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 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

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

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

ASTERACEAE

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

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

PLANTAGINACEAE

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

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

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

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 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

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

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

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

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

BRASSICACEAE

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

Bellardia trixago    Mediterranean lineseed
invasive non-native
Annual herb

OROBANCHACEAE

Bellardia trixago
© 2016 Michael Mitchell
Bellardia trixago
© 2016 Michael Mitchell
Bellardia trixago
© 2015 jamie smith

Blitum californicum    Small Tree-Mallow


Bloomeria crocea var. crocea    Common goldenstar
native
Perennial herb

THEMIDACEAE

Bloomeria crocea var. crocea
© 2019 Michael Mitchell
Bloomeria crocea var. crocea
© 2019 Ron Vanderhoff
Bloomeria crocea var. crocea
© 2017 Aaron Echols

Brachypodium hybridum    Small Tree-Mallow


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

native
Perennial herb

THEMIDACEAE

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

Bromus carinatus 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
© 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

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

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

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

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

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
© 2019 Gary McDonald
Carduus pycnocephalus
© 2023 Diana Wahl
Carduus pycnocephalus
© 2017 Gary McDonald

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 ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

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

Castilleja densiflora ssp. obispoensis    Obispo indian paintbrush,  San luis obispo owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja densiflora ssp. obispoensis
© 2024 Kyle Suchy
Castilleja densiflora ssp. obispoensis
© 2023 Kyle Suchy
Castilleja densiflora ssp. obispoensis
© 2024 Kyle Suchy

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 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

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

Chenopodiastrum murale    Small Tree-Mallow


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

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

ONAGRACEAE

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

Claytonia perfoliata 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

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

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

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

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
invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

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

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

CISTACEAE

Crocanthemum scoparium
© 2020 Stacie Wolny
Crocanthemum scoparium
© 2020 Stacie Wolny
Crocanthemum scoparium
© 2020 Stacie Wolny

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 var. florosa    Coastal cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii var. florosa
© 2020 David Greenberger
Cryptantha clevelandii var. florosa
© 2020 Ryan Carle
Cryptantha clevelandii var. florosa
© 2023 Ken-ichi Ueda

Cryptantha microstachys    Popcorn flower,  Tejon cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha microstachys
© 2019 Diane Etchison
Cryptantha microstachys
© 2018 Ron Vanderhoff
Cryptantha microstachys
© 2017 Diane Etchison

non-native
Perennial herb

ASTERACEAE

Cynara cardunculus ssp. cardunculus
© 2019 Nathan Taxel
Cynara cardunculus ssp. cardunculus
© 2019 Nathan Taxel
Cynara cardunculus ssp. cardunculus
© 2016 Michele Hammond

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

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
© 2022 David Strauch
Deinandra fasciculata
© 2017 Steve Matson
Deinandra fasciculata
© 2017 Steve Matson

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

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

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

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

DRYOPTERIDACEAE

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

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

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

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

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

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

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. foliolosum    California buckwheat,  Eastern mojave buckwheat,  Red topped buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. foliolosum
© 2016 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
© 2015 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
© 2015 Michael Mitchell

Eriogonum parvifolium    Dune eriogonum,  Sea cliff buckwheat,  Seacliff buckwheat
native
Shrub

POLYGONACEAE

Eriogonum parvifolium
© 2022 Mary Conway
Eriogonum parvifolium
© 2020 Ron Vanderhoff
Eriogonum parvifolium
© 2021 Ron Vanderhoff

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 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
invasive non-native
Annual herb

GERANIACEAE

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

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

Eucalyptus globulus    Blue gum,  Tasmanian bluegum
invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff

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

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

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

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

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

RUBIACEAE

Galium andrewsii
© 2022 Mike Russler
Galium andrewsii
© 2019 Marisa Persaud
Galium andrewsii
© 2022 Mike Russler

Galium californicum ssp. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

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

Galium porrigens 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

Gazania linearis    Gazania,  Treasure flower,  Treasureflower
invasive non-native
Perennial herb

ASTERACEAE

Gazania linearis
© 2016 Barbara Boethling
Gazania linearis
© 2018 Ron Vanderhoff
Gazania linearis
© 2018 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

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

ASTERACEAE

Hazardia squarrosa var. squarrosa
© 2021 Mike Russler
Hazardia squarrosa var. squarrosa
© 2021 Mary Conway
Hazardia squarrosa var. squarrosa
© 2021 Mary Conway

Hedypnois rhagadioloides    Crete weed
non-native
Annual herb

ASTERACEAE

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

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

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

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

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

POACEAE

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

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

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

Hordeum marinum    Seaside barley
invasive non-native
Annual grass

POACEAE

Hordeum marinum
© 2015 Chris Jaster
Hordeum marinum
© 2017 Julia Dorosh
Hordeum marinum
© 2015 Chris Jaster

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 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

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
invasive non-native
Annual herb

ASTERACEAE

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

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

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

FABACEAE

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

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

LAMIACEAE

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

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 parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

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

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

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 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

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 hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

Lupinus hirsutissimus
© 2024 Mike Russler
Lupinus hirsutissimus
© 2023 Neil Uelman
Lupinus hirsutissimus
© 2019 Ron Vanderhoff

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

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

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

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 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

Mirabilis laevis var. crassifolia    California four o'clock
native
Perennial herb

NYCTAGINACEAE

Mirabilis laevis var. crassifolia
© 2014 Steve Matson
Mirabilis laevis var. crassifolia
© 2014 Steve Matson
Mirabilis laevis var. crassifolia
© 2014 Steve Matson

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

Oxalis pes-caprae    Bermuda buttercup,  Sourgrass
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis pes-caprae
© 2015 Richard Chasey
Oxalis pes-caprae
© 2017 Angelique Herman
Oxalis pes-caprae
© 2019 Gary McDonald

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Paspalum dilatatum    Dallis grass,  Dallisgrass
non-native
Perennial grass

POACEAE

Paspalum dilatatum
© 2018 Ron Vanderhoff
Paspalum dilatatum
© 2017 Barbara Boethling
Paspalum dilatatum
© 2021 Ron Vanderhoff

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

OROBANCHACEAE

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

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 malvifolia    Stinging phacelia
native
Annual herb

HYDROPHYLLACEAE

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

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

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

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Plectritis congesta ssp. brachystemon    Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta ssp. brachystemon
© 2023 Catherine Chang
Plectritis congesta ssp. brachystemon
© 2005 Steve Matson
Plectritis congesta ssp. brachystemon
© 2018 Gail Johnson

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

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

Primula clevelandi    Small Tree-Mallow


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

Pseudognaphalium biolettii    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

Pseudognaphalium biolettii
© 2019 David Greenberger
Pseudognaphalium biolettii
© 2019 Ron Vanderhoff
Pseudognaphalium biolettii
© 2019 Ron Vanderhoff

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

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

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

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

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

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

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

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia
© 2020 David Greenberger
Rhus integrifolia
© 2019 Ron Vanderhoff
Rhus integrifolia
© 2024 Ron Vanderhoff

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 speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

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

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 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 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 pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

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 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

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

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

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 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

Sidalcea malviflora ssp. laciniata    Dwarf checkerbloom,  Laciniate checker mallow
native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea malviflora ssp. laciniata
© 2020 David Greenberger
Sidalcea malviflora ssp. laciniata
© 2021 Maria Stokes
Sidalcea malviflora ssp. laciniata
© 2021 Heather Brady DeQuincy

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

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
invasive 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

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

Spergularia villosa    Hairy sand spurrey,  Hairy sandspurry,  Villous sand spurry
non-native
Perennial herb

CARYOPHYLLACEAE

Spergularia villosa
© 2021 Ron Vanderhoff
Spergularia villosa
© 2011 Toni Corelli
Spergularia villosa
© 2021 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

Stephanomeria exigua ssp. carotifera    White plume stephanomeria,  Whiteplume wirelettuce
native
Perennial herb

ASTERACEAE

Stephanomeria exigua ssp. carotifera
© 2018 Mary Conway
Stephanomeria exigua ssp. carotifera
© 2018 Mary Conway
Stephanomeria exigua ssp. carotifera
© 2018 Mary Conway

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 pulchra    Purple needle grass
native
Perennial grass

POACEAE

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

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

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

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

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 willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

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

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

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

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 strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

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

Zeltnera davyi    Davy's centaury
native
Annual herb

GENTIANACEAE

Zeltnera davyi
© 2018 Mary Conway
Zeltnera davyi
© 2022 Irene Rosen
Zeltnera davyi
© 2023 R.A. Chasey