logo Calflora  Illustrated Plant List 
PCT: Chihuahua Rd to Tule Canyon Truck Trail
Combs Peak Area, northern San Diego County / southern Riverside County

San Diego County

RT Hawke, Shaun Hawke, Tom Chester, Carla Hoegen, and Fred Melgert  (2014-03-08)

Record Detail Nearby Surveys What Grows Here?
118 PLANTS
Acmispon glaber var. brevialatus    Short winged deerweed
native
Perennial herb

FABACEAE

Acmispon glaber var. brevialatus
© 2023 Ron Vanderhoff
Acmispon glaber var. brevialatus
© 2019 Ron Vanderhoff
Acmispon glaber var. brevialatus
© 2022 Ron Vanderhoff

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

Acmispon strigosus
© 2024 Mike Russler
Acmispon strigosus
© 2023 Ron Vanderhoff
Acmispon strigosus
© 2016 Steve Matson

native
Tree, Shrub

ROSACEAE

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

Adenostoma sparsifolium    Red shanks
native
Tree

ROSACEAE

Adenostoma sparsifolium
© 2024 Mike Russler
Adenostoma sparsifolium
© 2019 Aaron Echols
Adenostoma sparsifolium
© 2024 Mike Russler

Ambrosia psilostachya    Ragweed,  Western ragweed
native
Perennial herb

ASTERACEAE

Ambrosia psilostachya
© 2021 Mary Ann Machi
Ambrosia psilostachya
© 2022 Ron Vanderhoff
Ambrosia psilostachya
© 2022 Ron Vanderhoff

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

ROSACEAE

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

Antirrhinum coulterianum    Coulter snapdragon,  Coulter's snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum coulterianum
© 2019 Lynn Sweet
Antirrhinum coulterianum
© 2019 Aaron Echols
Antirrhinum coulterianum
© 2019 Hailey Laskey

Arctostaphylos pringlei ssp. drupacea    Pink bracted manzanita,  Pinkbracted manzanita
native
Shrub

ERICACEAE

Arctostaphylos pringlei ssp. drupacea
© 2019 Matt Berger
Arctostaphylos pringlei ssp. drupacea
© 2024 Erin Bergman
Arctostaphylos pringlei ssp. drupacea
© 2024 Mike Russler

Argemone munita    Chicalote,  Prickly poppy
native
Annual, Perennial herb

PAPAVERACEAE

Argemone munita
© 2023 Caitlin Kreutz
Argemone munita
© 2021 Mike Russler
Argemone munita
© 2021 Mike Russler

Aristida purpurea    Purple three awn,  Purple threeawn
native
Perennial grass

POACEAE

Aristida purpurea
© 2015 Steve Matson
Aristida purpurea
© 2015 Steve Matson
Aristida purpurea
© 2015 Steve Matson

Artemisia ludoviciana ssp. incompta    Mountain mugwort,  Western mugwort,  White sagebrush
native
Perennial herb

ASTERACEAE

Artemisia ludoviciana ssp. incompta
© 2006 Steve Matson
Artemisia ludoviciana ssp. incompta
© 2006 Steve Matson
Artemisia ludoviciana ssp. incompta
© 2006 Steve Matson

Artemisia tridentata    Big sagebrush,  Common sagebrush
native
Shrub

ASTERACEAE

Artemisia tridentata
© 2022 Steve Matson
Artemisia tridentata
© 2022 Steve Matson
Artemisia tridentata
© 2022 Steve Matson

native
Shrub

ASTERACEAE

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

Boechera californica    California rockcress
native
Perennial herb

BRASSICACEAE

Boechera californica
© 2022 Emily Sluiman
Boechera californica
© 2019 Diane Etchison
Boechera californica
© 2019 Diane Etchison

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

Camissoniopsis hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis hirtella
© 2019 Steve Matson
Camissoniopsis hirtella
© 2019 Steve Matson
Camissoniopsis hirtella
© 2019 Steve Matson

Castilleja applegatei ssp. martinii    Martin's paintbrush,  Wavyleaf indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja applegatei ssp. martinii
© 2022 Mary Conway
Castilleja applegatei ssp. martinii
© 2022 Mary Conway
Castilleja applegatei ssp. martinii
© 2021 Mike Russler

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa
© 2018 Steve Matson
Castilleja foliolosa
© 2018 Steve Matson
Castilleja foliolosa
© 2019 Ron Vanderhoff

Caulanthus heterophyllus var. heterophyllus    San diego wild cabbage,  Slender pod jewelflower
native
Annual herb

BRASSICACEAE

Caulanthus heterophyllus var. heterophyllus
© 2023 Caitlin Kreutz
Caulanthus heterophyllus var. heterophyllus
© 2023 Morgan Stickrod
Caulanthus heterophyllus var. heterophyllus
© 2019 Ron Vanderhoff

Caulanthus simulans    Payson's wild cabbage
rare native
Annual herb

BRASSICACEAE

Caulanthus simulans
© 2019 Matt Berger
Caulanthus simulans
© 2019 Matt Berger
Caulanthus simulans
© 2019 Matt Berger

Ceanothus leucodermis    Chaparral whitethorn
native
Shrub

RHAMNACEAE

Ceanothus leucodermis
© 2020 Bryant Baker
Ceanothus leucodermis
© 2019 Ron Vanderhoff
Ceanothus leucodermis
© 2019 Bryant Baker

Ceanothus palmeri    Palmer ceanothus,  Palmer's ceanothus
native
Shrub

RHAMNACEAE

Ceanothus palmeri
© 2022 Ryan O'Dell
Ceanothus palmeri
© 2019 Bryant Baker
Ceanothus palmeri
© 2021 Emily Sluiman

Ceanothus perplexans    Cupped leaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus perplexans
© 2010 Sherie Hubble
Ceanothus perplexans
© 2016 Ron Vanderhoff
Ceanothus perplexans
© 2020 David Greenberger

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

ROSACEAE

Cercocarpus betuloides var. betuloides
© 2021 Steve Matson
Cercocarpus betuloides var. betuloides
© 2021 Steve Matson
Cercocarpus betuloides var. betuloides
© 2016 Ron Vanderhoff

Chaenactis artemisiifolia    Artemisia leaved chaenactis,  White pincushion
native
Annual herb

ASTERACEAE

Chaenactis artemisiifolia
© 2022 Rosalind Helfand
Chaenactis artemisiifolia
© 2023 Julia Markey
Chaenactis artemisiifolia
© 2022 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

Cheilanthes clevelandii    Cleveland's lip fern
native
Fern

PTERIDACEAE

Cheilanthes clevelandii
© 2014 Steve Matson
Cheilanthes clevelandii
© 2014 Steve Matson
Cheilanthes clevelandii
© 2014 Steve Matson

Cheilanthes covillei    Coville's lip fern
native
Fern

PTERIDACEAE

Cheilanthes covillei
© 2019 Steve Matson
Cheilanthes covillei
© 2019 Steve Matson
Cheilanthes covillei
© 2019 Steve Matson

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

Cordylanthus rigidus ssp. setiger    Bristly Bird's Beak
native
Annual herb (hemiparasitic)

OROBANCHACEAE

Cordylanthus rigidus ssp. setiger
© 2023 Ron Vanderhoff
Cordylanthus rigidus ssp. setiger
© 2021 Ron Vanderhoff
Cordylanthus rigidus ssp. setiger
© 2023 R.A. Chasey

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Corethrogyne filaginifolia
© 2022 Mike Russler
Corethrogyne filaginifolia
© 2018 Ron Vanderhoff
Corethrogyne filaginifolia
© 2023 Ron Vanderhoff

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

Cryptantha micrantha var. lepida    Mountain red-root
native
Annual herb

BORAGINACEAE

Cryptantha micrantha var. lepida
© 2019 Diane Etchison
Cryptantha micrantha var. lepida
© 2022 Eric Koberle
Cryptantha micrantha var. lepida
© 2019 Diane Etchison

Cryptantha muricata var. jonesii    Jones' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha muricata var. jonesii
© 2019 Ron Vanderhoff
Cryptantha muricata var. jonesii
© 2019 Ron Vanderhoff
Cryptantha muricata var. jonesii
© 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

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

Dendromecon rigida
© 2024 Mike Russler
Dendromecon rigida
© 2024 Mike Russler
Dendromecon rigida
© 2020 Ron Vanderhoff

Descurainia pinnata    Western tansy mustard,  Western tansymustard,  Yellow tansy mustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata
© 2018 Nancy Hamlett
Descurainia pinnata
© 2022 Steve Matson
Descurainia pinnata
© 2022 Steve Matson

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

Dudleya saxosa ssp. aloides    Desert dudleya,  Panamint liveforever
native
Perennial herb

CRASSULACEAE

Dudleya saxosa ssp. aloides
© 2019 Josephine Brennan
Dudleya saxosa ssp. aloides
© 2019 Ron Vanderhoff
Dudleya saxosa ssp. aloides
© 2019 Matt Berger

Echinocereus engelmannii    Calico cactus,  Engelmann's hedgehog cactus
native
Shrub (stem succulent)

CACTACEAE

Echinocereus engelmannii
© 2016 Steve Matson
Echinocereus engelmannii
© 2016 Steve Matson
Echinocereus engelmannii
© 2016 Steve Matson

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

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora
© 2014 Steve Matson
Emmenanthe penduliflora var. penduliflora
© 2024 R.A. Chasey
Emmenanthe penduliflora var. penduliflora
© 2022 Mike Russler

Encelia actoni    Acton encelia
native
Shrub

ASTERACEAE

Encelia actoni
© 2022 Steve Matson
Encelia actoni
© 2022 Steve Matson
Encelia actoni
© 2019 Cynthia Powell

Ericameria brachylepis    Boundary goldenbush,  Chaparral goldenbush
native
Shrub

ASTERACEAE

Ericameria brachylepis
© 2013 Keir Morse
Ericameria brachylepis
© 2013 Keir Morse
Ericameria brachylepis
© 2013 Keir Morse

Ericameria linearifolia    Interior goldenbush,  Linear leaved goldenbush,  Narrowleaf goldenbush
native
Shrub

ASTERACEAE

Ericameria linearifolia
© 2014 Steve Matson
Ericameria linearifolia
© 2014 Steve Matson
Ericameria linearifolia
© 2014 Steve Matson

Ericameria paniculata    Mojave rabbitbrush,  Black-banded rabbitbrush
native
Perennial herb

ASTERACEAE

Ericameria paniculata
© 2015 Steve Matson
Ericameria paniculata
© 2015 Steve Matson
Ericameria paniculata
© 2015 Steve Matson

Ericameria parishii var. parishii    Parish goldenweed,  Parish's goldenbush
native
Shrub

ASTERACEAE

Ericameria parishii var. parishii
© 2023 Ron Vanderhoff
Ericameria parishii var. parishii
© 2020 Maisie Borg
Ericameria parishii var. parishii
© 2023 Ron Vanderhoff

Eriodictyon crassifolium var. crassifolium    Thick leaved yerba santa,  Thickleaf yerba santa
native
Shrub

NAMACEAE

Eriodictyon crassifolium var. crassifolium
© 2019 Diane Etchison
Eriodictyon crassifolium var. crassifolium
© 2019 Diane Etchison
Eriodictyon crassifolium var. crassifolium
© 2020 Diane Etchison

Eriodictyon parryi    Poodle-dog bush
native
Perennial herb

NAMACEAE

Eriodictyon parryi
© 2019 Wendy Walker
Eriodictyon parryi
© 2019 Bryant Baker
Eriodictyon parryi
© 2019 Matt Berger

Eriodictyon trichocalyx var. lanatum    Hairy yerba santa
native
Shrub

NAMACEAE

Eriodictyon trichocalyx var. lanatum
© 2012 Keir Morse
Eriodictyon trichocalyx var. lanatum
© 2012 Keir Morse
Eriodictyon trichocalyx var. lanatum
© 2012 Keir Morse

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 nudum var. pauciflorum    Few flowered buckwheat,  Long trumpet,  Naked buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum var. pauciflorum
© 2014 Steve Matson
Eriogonum nudum var. pauciflorum
© 2024 Mike Russler
Eriogonum nudum var. pauciflorum
© 2016 Richard Spjut

Eriogonum umbellatum var. munzii    Munz's buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. munzii
© 2021 Arlee Montalvo
Eriogonum umbellatum var. munzii
© 2021 Arlee Montalvo
Eriogonum umbellatum var. munzii
© 2021 R.A. Chasey

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

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

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

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

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

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens
© 2020 Ron Vanderhoff
Garrya flavescens
© 2023 Ryan O'Dell
Garrya flavescens
© 2021 Ron Vanderhoff

Gilia diegensis    Coastal gilia
native
Annual herb

POLEMONIACEAE

Gilia diegensis
© 2024 Karen Fraser
Gilia diegensis
© 2021 R.A. Chasey
Gilia diegensis
© 2021 R.A. Chasey

Gutierrezia sarothrae    Broom snakeweed,  Common snakeweed,  Matchweed
native
Shrub

ASTERACEAE

Gutierrezia sarothrae
© 2007 Steve Matson
Gutierrezia sarothrae
© 2007 Steve Matson
Gutierrezia sarothrae
© 2007 Steve Matson

Hazardia squarrosa var. grindelioides    Gum plant goldenbush,  Saw toothed goldenbush,  Sawtooth bristleweed
native
Shrub

ASTERACEAE

Hazardia squarrosa var. grindelioides
© 2019 Ron Vanderhoff
Hazardia squarrosa var. grindelioides
© 2023 Ron Vanderhoff
Hazardia squarrosa var. grindelioides
© 2022 Ron Vanderhoff

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
© 2018 Amy Rapport
Helianthemum scoparium
© 2023 Ron Vanderhoff
Helianthemum scoparium
© 2024 Mike Russler

Helianthus gracilentus    Slender sunflower
native
Perennial herb

ASTERACEAE

Helianthus gracilentus
© 2021 Ron Vanderhoff
Helianthus gracilentus
© 2021 Mike Russler
Helianthus gracilentus
© 2021 Diane Etchison

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

Heuchera rubescens    Pink alumroot
native
Perennial herb

SAXIFRAGACEAE

Heuchera rubescens
© 2011 Steve Matson
Heuchera rubescens
© 2005 Steve Matson
Heuchera rubescens
© 2005 Steve Matson

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

Hulsea californica    San diego alpinegold,  San diego sunflower
rare native
Perennial herb

ASTERACEAE

Hulsea californica
© 2019 Matt Berger
Hulsea californica
© 2019 Matt Berger
Hulsea californica
© 2019 Matt Berger

Isocoma acradenia var. eremophila    Solitary leaved alkali goldenbush
native
Shrub

ASTERACEAE

Isocoma acradenia var. eremophila
© 2024 terrawild
Isocoma acradenia var. eremophila
© 2025 Mike Russler
Isocoma acradenia var. eremophila
© 2025 Mike Russler

Keckiella antirrhinoides var. microphylla    Chaparral beard tongue,  Little leaved chaparral beard tongue
native
Shrub

PLANTAGINACEAE

Keckiella antirrhinoides var. microphylla
© 2008 Steve Matson
Keckiella antirrhinoides var. microphylla
© 2008 Steve Matson
Keckiella antirrhinoides var. microphylla
© 2008 Steve Matson

Keckiella ternata var. ternata    Blue stemmed keckiella
native
Shrub

PLANTAGINACEAE

Keckiella ternata var. ternata
© 2016 Brett Dean
Keckiella ternata var. ternata
© 2017 Aaron Echols
Keckiella ternata var. ternata
© 2019 Ron Vanderhoff

native
Perennial herb

FABACEAE

Lathyrus vestitus var. alefeldii
© 2019 Ron Vanderhoff
Lathyrus vestitus var. alefeldii
© 2016 Mark Harelik
Lathyrus vestitus var. alefeldii
© 2019 Diane Etchison

Linanthus pungens    Granite prickly phlox
native
Shrub

POLEMONIACEAE

Linanthus pungens
© 2021 Steve Matson
Linanthus pungens
© 2021 Steve Matson
Linanthus pungens
© 2023 Mike Russler

Loeseliastrum matthewsii    Desert calico
native
Annual herb

POLEMONIACEAE

Loeseliastrum matthewsii
© 2023 Mike Russler
Loeseliastrum matthewsii
© 2017 Bonnie Nickel
Loeseliastrum matthewsii
© 2022 Bob Steele

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

Malacothamnus densiflorus    Many-flowered bushmallow,  Few-rayed bushmallow
native
Shrub

MALVACEAE

Malacothamnus densiflorus
© 2019 Keir Morse
Malacothamnus densiflorus
© 2019 Ron Vanderhoff
Malacothamnus densiflorus
© 2021 Ron Vanderhoff

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

Mirabilis laevis var. retrorsa    Wishbone bush
native
Perennial herb

NYCTAGINACEAE

Mirabilis laevis var. retrorsa
© 2020 Steve Matson
Mirabilis laevis var. retrorsa
© 2020 Steve Matson
Mirabilis laevis var. retrorsa
© 2013 Steve Matson

Mirabilis multiflora var. pubescens    Colorado four o'clock,  Desert four o'clock
native
Perennial herb

NYCTAGINACEAE

Mirabilis multiflora var. pubescens
© 2008 Steve Matson
Mirabilis multiflora var. pubescens
© 2008 Steve Matson
Mirabilis multiflora var. pubescens
© 2008 Steve Matson

Monardella nana    Little monardella,  Yellow monardella
native
Perennial herb

LAMIACEAE

Monardella nana
© 2019 Matt Berger
Monardella nana
© 2019 Matt Berger
Monardella nana
© 2019 Matt Berger

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

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

Nolina parryi    Parry's beargrass,  Parry's nolina
native
Perennial herb

RUSCACEAE

Nolina parryi
© 2018 Mary Merriman
Nolina parryi
© 2020 Bob Steele
Nolina parryi
© 2020 Matt Berger

Opuntia basilaris var. basilaris    Beavertail cactus,  Beavertail pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia basilaris var. basilaris
© 2019 Diane Etchison
Opuntia basilaris var. basilaris
© 2019 Diane Etchison
Opuntia basilaris var. basilaris
© 2023 Olesya Konovalova

Opuntia phaeacantha    Brown spined prickly pear,  Mojave prickly pear,  Tulip pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia phaeacantha
© 2021 R.A. Chasey
Opuntia phaeacantha
© 2018 Diane Etchison
Opuntia phaeacantha
© 2021 R.A. Chasey

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

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

Penstemon centranthifolius
© 2019 Ron Vanderhoff
Penstemon centranthifolius
© 2017 Diane Etchison
Penstemon centranthifolius
© 2021 Mike Russler

Penstemon rostriflorus    Beaked penstemon,  Bridge penstemon,  Bridge's penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon rostriflorus
© 2023 Diane Etchison
Penstemon rostriflorus
© 2008 Steve Matson
Penstemon rostriflorus
© 2010 Steve Matson

native
Perennial herb

PLANTAGINACEAE

Penstemon spectabilis var. spectabilis
© 2024 Ron Vanderhoff
Penstemon spectabilis var. spectabilis
© 2024 Ron Vanderhoff
Penstemon spectabilis var. spectabilis
© 2020 Ron Vanderhoff

Phacelia brachyloba    Short lobed phacelia,  Shortlobe phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia brachyloba
© 2018 Ron Vanderhoff
Phacelia brachyloba
© 2018 Ron Vanderhoff
Phacelia brachyloba
© 2019 Ron Vanderhoff

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

HYDROPHYLLACEAE

Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2022 Ron Vanderhoff

Phacelia minor    California bluebell,  Wild canterbury bells
native
Annual herb

HYDROPHYLLACEAE

Phacelia minor
© 2023 Julia Markey
Phacelia minor
© 2024 Ron Vanderhoff
Phacelia minor
© 2023 Julia Markey

Phlox austromontana    Southern mountain phlox
native
Perennial herb

POLEMONIACEAE

Phlox austromontana
© Geoff Burleigh
Phlox austromontana
© Geoff Burleigh
Phlox austromontana
© Geoff Burleigh

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

PINACEAE

Pinus coulteri
© 2015 Michelle Cloud Hughes
Pinus coulteri
© 2019 Bryant Baker
Pinus coulteri
© 2020 Diane Etchison

Pinus quadrifolia    Four leaf pine,  Fourneedle pinyon pine,  Nut pine
native
Tree

PINACEAE

Pinus quadrifolia
© 2024 Mike Russler
Pinus quadrifolia
© 2013 Alec Cook
Pinus quadrifolia
© 2023 Ron Vanderhoff

Plagiobothrys collinus var. fulvescens    California popcornflower,  Cooper's popcornflower,  Popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys collinus var. fulvescens
© 2023 Ron Vanderhoff
Plagiobothrys collinus var. fulvescens
© 2022 John Rawlings
Plagiobothrys collinus var. fulvescens
© 2012 BOB CASE

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii ssp. fremontii
© 2017 Steve Matson
Populus fremontii ssp. fremontii
© 2017 Steve Matson
Populus fremontii ssp. fremontii
© 2020 Ron Vanderhoff

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

ROSACEAE

Prunus ilicifolia ssp. ilicifolia
© 2023 Helen Hancock
Prunus ilicifolia ssp. ilicifolia
© 2024 Mike Russler
Prunus ilicifolia ssp. ilicifolia
© 2022 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

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

FAGACEAE

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

Quercus cornelius-mulleri    Desert scrub oak,  Muller oak
native
Tree

FAGACEAE

Quercus cornelius-mulleri
© 2019 Susan McDougall
Quercus cornelius-mulleri
© 2020 Matt Berger
Quercus cornelius-mulleri
© 2020 Matt Berger

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

FAGACEAE

Quercus wislizeni var. frutescens
© 2019 Ron Vanderhoff
Quercus wislizeni var. frutescens
© 2019 Ron Vanderhoff
Quercus wislizeni var. frutescens
© 2021 Ron Vanderhoff

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

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

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

Rhus ovata
© 2020 Bryant Baker
Rhus ovata
© 2020 Bryant Baker
Rhus ovata
© 2024 Mike Russler

Ribes roezlii var. roezlii    Sierra gooseberry
native
Shrub

GROSSULARIACEAE

Ribes roezlii var. roezlii
© 2004 Steve Matson
Ribes roezlii var. roezlii
© 2024 Richard Spjut
Ribes roezlii var. roezlii
© 2003 Steve Matson

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
© 2019 Steve Matson
Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2020 Steve Matson

Salvia apiana    White sage
native
Shrub

LAMIACEAE

Salvia apiana
© 2019 Hannah Garcia
Salvia apiana
© 2019 Ron Vanderhoff
Salvia apiana
© 2020 Ron Vanderhoff

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

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

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

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

Sisymbrium altissimum    Tall tumblemustard,  Tumble mustard,  Tumbling mustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium altissimum
© 2019 Ron Vanderhoff
Sisymbrium altissimum
© 2020 Ron Vanderhoff
Sisymbrium altissimum
© 2020 Ron Vanderhoff

Solanum parishii    Nightshade,  Parish's nightshade,  Parish's purple nightshade
native
Shrub

SOLANACEAE

Solanum parishii
© 2019 Diane Etchison
Solanum parishii
© 2020 G Froelich
Solanum parishii
© 2021 Charles Russell

Sphaeralcea ambigua var. rugosa    Apricot mallow,  Desert globemallow
native
Perennial herb

MALVACEAE

Sphaeralcea ambigua var. rugosa
© 2023 R.A. Chasey
Sphaeralcea ambigua var. rugosa
© 2024 Mike Russler
Sphaeralcea ambigua var. rugosa
© 2024 Mike Russler

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 speciosa    Desert needle grass
native
Perennial grass

POACEAE

Stipa speciosa
© 2011 Steve Matson
Stipa speciosa
© 2022 Steve Matson
Stipa speciosa
© 2022 Steve Matson

Tauschia arguta    Southern tauschia,  Southern umbrellawort
native
Perennial herb

APIACEAE

Tauschia arguta
© 2019 Matt Berger
Tauschia arguta
© 2020 Bryant Baker
Tauschia arguta
© 2019 Bryant Baker

Thamnosma montana    Turpentine broom,  Turpentinebroom
native
Shrub

RUTACEAE

Thamnosma montana
© 2016 Steve Matson
Thamnosma montana
© 2016 Steve Matson
Thamnosma montana
© 2016 Steve Matson

Trichostema parishii    Parish's bluecurls
native
Shrub

LAMIACEAE

Trichostema parishii
© 2022 Ron Vanderhoff
Trichostema parishii
© 2022 Ron Vanderhoff
Trichostema parishii
© 2010 Gary A. Monroe

Yucca schidigera    Mohave yucca,  Mojave yucca
native
Tree

AGAVACEAE

Yucca schidigera
© 2023 David Strauch
Yucca schidigera
© 2017 Margarita Orlova
Yucca schidigera
© 2020 Susan McDougall