logo Calflora  Illustrated Plant List 
PCT: SR74 to Fobes Saddle
San Jacinto Mountains, Desert Divide

Riverside County

Tom Chester, Kirk Anderson, Dave Stith et al  (2015-05-11)

Record Detail Nearby Surveys What Grows Here?
243 PLANTS
Abronia nana var. covillei    Coville's dwarf sand verbena
rare native
Perennial herb

NYCTAGINACEAE

Abronia nana var. covillei
2010 Steve Matson
Abronia nana var. covillei
2010 Steve Matson
Abronia nana var. covillei
2010 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

Acmispon argophyllus var. argophyllus    Southern california silver lotus
native
Perennial herb

FABACEAE

Acmispon argophyllus var. argophyllus
2014 Steve Matson
Acmispon argophyllus var. argophyllus
2014 Steve Matson
Acmispon argophyllus var. argophyllus
2014 Steve Matson

native
Perennial herb

FABACEAE

Acmispon grandiflorus var. grandiflorus
2014 Steve Matson
Acmispon grandiflorus var. grandiflorus
2014 Steve Matson
Acmispon grandiflorus var. grandiflorus
2014 Steve Matson

native
Perennial herb

FABACEAE

Acmispon heermannii var. heermannii
2022 Ron Vanderhoff
Acmispon heermannii var. heermannii
2020 Ron Vanderhoff
Acmispon heermannii var. heermannii
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

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
2019 Bryant Baker
Adenostoma sparsifolium
2020 David Greenberger
Adenostoma sparsifolium
2019 Aaron Echols

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 stolonifera    Creeping bentgrass,  Redtop
invasive non-native
Perennial grass

POACEAE

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

Allium monticola    San bernardino mountain onion
native
Perennial herb (bulb)

ALLIACEAE

Allium monticola
2019 Manzanita Dictionary
Allium monticola
2017 John L. Thompson
Allium monticola
2014 Ron Vanderhoff

Allophyllum glutinosum    Sticky false gilia,  Sticky false gilyflower
native
Annual herb

POLEMONIACEAE

Allophyllum glutinosum
2020 Ron Vanderhoff
Allophyllum glutinosum
2019 Ron Vanderhoff
Allophyllum glutinosum
2019 Diane Etchison

Ambrosia acanthicarpa    Annual bursage,  Annual burweed
native
Annual herb

ASTERACEAE

Ambrosia acanthicarpa
2009 Steve Matson
Ambrosia acanthicarpa
2009 Steve Matson
Ambrosia acanthicarpa
2013 Steve Matson

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

Amsinckia retrorsa    Rigid fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia retrorsa
2023 Aaron Schusteff
Amsinckia retrorsa
2023 Aaron Schusteff
Amsinckia retrorsa
2023 Dianne Lake

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 glandulosa    Cushing manzanita
native
Shrub

ERICACEAE

Arctostaphylos glandulosa
2019 Susan McDougall
Arctostaphylos glandulosa
2016 Dana York
Arctostaphylos glandulosa
2016 Dana York

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

ERICACEAE

Arctostaphylos pringlei ssp. drupacea
2019 Matt Berger
Arctostaphylos pringlei ssp. drupacea
2017 Joey Santore
Arctostaphylos pringlei ssp. drupacea
2019 Matt Berger

Arctostaphylos pungens    Mexican manzanita,  Pointleaf manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos pungens
2016 James Gonsman
Arctostaphylos pungens
2014 James Gonsman
Arctostaphylos pungens
2020 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
2019 Ron Vanderhoff
Aristida purpurea
2016 Keir Morse
Aristida purpurea
2016 Keir Morse

Artemisia dracunculus    Herbaceous sagewort,  Pinon wormwood,  Tarragon
native
Perennial herb

ASTERACEAE

Artemisia dracunculus
2022 Steve Matson
Artemisia dracunculus
2022 Steve Matson
Artemisia dracunculus
2022 Steve Matson

Artemisia ludoviciana ssp. albula    Silver wormwood,  White mugwort,  White sagebrush
native
Perennial herb

ASTERACEAE

Artemisia ludoviciana ssp. albula
2011 Steve Matson
Artemisia ludoviciana ssp. albula
2011 Steve Matson
Artemisia ludoviciana ssp. albula
2019 Michelle Tollett

Artemisia tridentata    Big sagebrush,  Common sagebrush
native
Shrub

ASTERACEAE

Artemisia tridentata
2023 Ryan O'Dell
Artemisia tridentata
2008 Thomas Stoughton
Artemisia tridentata
2022 Cynthia Powell

Asclepias californica    California milkweed
native
Perennial herb

APOCYNACEAE

Asclepias californica
2022 Lynn Sweet
Asclepias californica
2020 Stacie Wolny
Asclepias californica
2015 Ron Vanderhoff

Astragalus douglasii var. parishii    Parish's milk vetch
native
Perennial herb

FABACEAE

Astragalus douglasii var. parishii
2011 Keir Morse
Astragalus douglasii var. parishii
2011 Keir Morse
Astragalus douglasii var. parishii
2011 Keir Morse

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

Baccharis sergiloides    Desert baccharis
native
Shrub

ASTERACEAE

Baccharis sergiloides
2016 Richard Spjut
Baccharis sergiloides
2020 David Greenberger
Baccharis sergiloides
2012 Keir Morse

Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

Bloomeria crocea
2018 Janith Johnson
Bloomeria crocea
2019 Michael Mitchell
Bloomeria crocea
2014 Steve Matson

Boechera californica    California rockcress
native
Perennial herb

BRASSICACEAE

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

Boechera perennans    Perennial rockcress
native
Perennial herb

BRASSICACEAE

Boechera perennans
2019 Steve Matson
Boechera perennans
2019 Steve Matson
Boechera perennans
2019 Steve Matson

Bouteloua curtipendula    Side oats grama,  Sideoats grama
native
Perennial grass

POACEAE

Bouteloua curtipendula
2012 Aaron Schusteff
Bouteloua curtipendula
2007 Trent M. Draper
Bouteloua curtipendula
2006 Louis-M. Landry

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

Brickellia oblongifolia var. linifolia    Narrow leaved brickellia,  Narrowleaf brickellbush,  Pinon brickellia
native
Perennial herb

ASTERACEAE

Brickellia oblongifolia var. linifolia
2021 Steve Matson
Brickellia oblongifolia var. linifolia
2017 Steve Matson
Brickellia oblongifolia var. linifolia
2017 Steve Matson

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

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

Calochortus concolor    Golden bowl mariposa,  Goldenbowl mariposa lily
native
Perennial herb

LILIACEAE

Calochortus concolor
2020 Juergen Schrenk
Calochortus concolor
2023 Morgan Cantrell
Calochortus concolor
2021 Arlee Montalvo

Calochortus palmeri var. munzii    Munz's mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus palmeri var. munzii
2023 Morgan Stickrod
Calochortus palmeri var. munzii
2012 Keir Morse
Calochortus palmeri var. munzii
2019 Matt Berger

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

Calyptridium monandrum
2019 Stacie Wolny
Calyptridium monandrum
2023 Maisie Borg
Calyptridium monandrum
2021 Mike Russler

Camissonia strigulosa    Contorted primrose,  Sandysoil suncup,  Strigose sun cup
native
Annual herb

ONAGRACEAE

Camissonia strigulosa
2015 Diane Etchison
Camissonia strigulosa
2011 Michael Mitchell
Camissonia strigulosa
2015 Diane Etchison

Camissoniopsis bistorta    California sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis bistorta
2017 Diane Etchison
Camissoniopsis bistorta
2019 Ken Hickman
Camissoniopsis bistorta
2019 Ken Hickman

Camissoniopsis confusa    San bernardino sun cup
native
Annual herb

ONAGRACEAE

Camissoniopsis confusa
2021 Arlee Montalvo
Camissoniopsis confusa
2019 Diane Etchison
Camissoniopsis confusa
2019 Diane Etchison

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

BRASSICACEAE

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

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
2019 David Magney

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

Castilleja spiralis    Lesser indian paintbrush,  Lesser paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja spiralis
2023 Rhonda Allen
Castilleja spiralis
2019 Ron Vanderhoff
Castilleja spiralis
2019 Matt Berger

Caulanthus hallii    Hall's caulanthus,  Hall's wild cabbage
native
Annual herb

BRASSICACEAE

Caulanthus hallii
2019 Matt Berger
Caulanthus hallii
2015 Keir Morse
Caulanthus hallii
2015 Keir Morse

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

Chaenactis glabriuscula var. lanosa    Pincushion flower,  Woolly yellow chaenactis
native
Annual herb

ASTERACEAE

Chaenactis glabriuscula var. lanosa
2019 Susan McDougall
Chaenactis glabriuscula var. lanosa
2019 Susan McDougall
Chaenactis glabriuscula var. lanosa
2008 Keir Morse

Chaenactis parishii    Parish's chaenactis
rare native
Perennial herb

ASTERACEAE

Chaenactis parishii
2015 Keir Morse
Chaenactis parishii
2015 Keir Morse
Chaenactis parishii
2015 Keir Morse

Chamaesyce albomarginata    Rattlesnake sandmat
native
Perennial herb

EUPHORBIACEAE

Chamaesyce albomarginata
2019 Diane Etchison
Chamaesyce albomarginata
2019 Cynthia Powell
Chamaesyce albomarginata
2019 Douglas Gordon-Blackwood

Cheilanthes covillei    Coville's lip fern
native
Fern

PTERIDACEAE

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

Chenopodium fremontii    Fremont's goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium fremontii
2021 Arlee Montalvo
Chenopodium fremontii
2021 Arlee Montalvo
Chenopodium fremontii
2017 Drew Beccue

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

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

ONAGRACEAE

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

Claytonia parviflora    Miner's lettuce,  Narrow leaved miner's lettuce,  Streambank springbeauty
native
Annual herb

MONTIACEAE

Claytonia parviflora
2017 Gary McDonald
Claytonia parviflora
2017 Gary McDonald
Claytonia parviflora
2023 Sue Luft

Claytonia parviflora ssp. viridis    Green miner's lettuce,  Streambank springbeauty
native
Annual herb

MONTIACEAE

Claytonia parviflora ssp. viridis
2006 James M. Andre

Collinsia concolor    Chinese houses,  White collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia concolor
2020 Julie Ann Watson
Collinsia concolor
2003 Charles E. Jones
Collinsia concolor
2014 Keir Morse

Collinsia parryi    Parry's blue eyed mary,  Parry's collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia parryi
2019 Ron Vanderhoff
Collinsia parryi
2016 Ron Vanderhoff
Collinsia parryi
2015 Ron Vanderhoff

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

OROBANCHACEAE

Cordylanthus rigidus ssp. setigerus
2023 Ron Vanderhoff
Cordylanthus rigidus ssp. setigerus
2021 Ron Vanderhoff
Cordylanthus rigidus ssp. setigerus
2003 Dr. Kenneth L. Bowles

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

Crassula connata    Pigmy weed,  Sand pygmy weed,  Sand pygmyweed
native
Annual herb

CRASSULACEAE

Crassula connata
2020 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff
Crassula connata
2019 Ron Vanderhoff

Cryptantha 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
2014 Keir Morse
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

Cryptantha nevadensis var. nevadensis    Nevada cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha nevadensis var. nevadensis
2020 Steve Matson
Cryptantha nevadensis var. nevadensis
2020 Steve Matson
Cryptantha nevadensis var. nevadensis
2019 Diane Etchison

Cryptantha pterocarya var. purpusii    Purpus' cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha pterocarya var. purpusii
2019 Diane Etchison
Cryptantha pterocarya var. purpusii
2019 Diane Etchison
Cryptantha pterocarya var. purpusii
2014 Keir Morse

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

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

Dendromecon rigida    Bush poppy,  Tree poppy
native
Shrub

PAPAVERACEAE

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

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

Descurainia sophia    Flix weed,  Herb sophia
invasive non-native
Annual herb

BRASSICACEAE

Descurainia sophia
2014 Steve Matson
Descurainia sophia
2021 R.A. Chasey
Descurainia sophia
2014 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

Dieteria asteroides    Hoary aster
native
Perennial herb

ASTERACEAE

Dieteria asteroides
2016 Keir Morse
Dieteria asteroides
2016 Keir Morse
Dieteria asteroides
2016 Keir Morse

Draba verna    Spring draba,  Whitlow grass,  Whitlowgrass
non-native
Annual herb

BRASSICACEAE

Draba verna
2011 Steve Matson
Draba verna
2004 Steve Matson
Draba verna
2016 Steve Matson

Drymocallis glandulosa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

Drymocallis glandulosa
2020 Mary Conway
Drymocallis glandulosa
2019 Diane Etchison
Drymocallis glandulosa
2020 Diane Etchison

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
2015 Diane Etchison
Echinocereus engelmannii
2014 Timothy Boomer

Elymus elymoides    Bottlebrush squirreltail,  Squirrel tail grass,  Squirreltail
native
Perennial grass

POACEAE

Elymus elymoides
2022 Steve Matson
Elymus elymoides
2012 Robert L. Carr
Elymus elymoides
2012 Robert L. Carr

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

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

Elymus trachycaulus ssp. trachycaulus    Slender wheatgrass
native
Perennial grass

POACEAE

Elymus trachycaulus ssp. trachycaulus
2022 John Rawlings
Elymus trachycaulus ssp. trachycaulus
2019 Ken Hickman
Elymus trachycaulus ssp. trachycaulus
2019 Ken Hickman

Encelia actoni    Acton encelia
native
Shrub

ASTERACEAE

Encelia actoni
2022 Steve Matson
Encelia actoni
2022 Steve Matson
Encelia actoni
2022 Steve Matson

Epilobium canum ssp. latifolium    California fuchsia,  Hummingbird trumpet,  Mountain california fuchsia
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. latifolium
2015 Steve Matson
Epilobium canum ssp. latifolium
2023 Steve Conger
Epilobium canum ssp. latifolium
2016 Rebecca Schoenenberger

Eriastrum densifolium ssp. austromontanum    Perennial vool star,  Southern mountain eriastrum
native
Perennial herb

POLEMONIACEAE

Eriastrum densifolium ssp. austromontanum
2022 Mike Russler
Eriastrum densifolium ssp. austromontanum
2022 Mike Russler
Eriastrum densifolium ssp. austromontanum
2022 Mike Russler

Eriastrum sapphirinum    Sapphire eriastrum,  Sapphire woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum sapphirinum
2018 Diane Etchison
Eriastrum sapphirinum
2014 Steve Matson
Eriastrum sapphirinum
2014 Steve Matson

Ericameria cuneata var. spathulata    Cliff goldenbush,  Wide leaved rock goldenbush
native
Shrub

ASTERACEAE

Ericameria cuneata var. spathulata
2020 R.A. Chasey
Ericameria cuneata var. spathulata
2019 Matt Berger
Ericameria cuneata var. spathulata
2018 Matt Berger

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

Erigeron divergens    Diffuse daisy,  Spreading fleabane
native
Biennial, Perennial herb

ASTERACEAE

Erigeron divergens
2022 Mike Russler
Erigeron divergens
2023 Donald Burk
Erigeron divergens
2021 Mike Russler

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

ASTERACEAE

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

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

Eriogonum davidsonii    Davidson buckwheat,  Davidson's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum davidsonii
2022 Mike Russler
Eriogonum davidsonii
2022 Mike Russler
Eriogonum davidsonii
2022 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 Ron Vanderhoff

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
2012 Ron Vanderhoff
Eriogonum nudum var. pauciflorum
2014 Steve Matson

Eriogonum saxatile    Hoary buckwheat,  Rock buckwheat,  Rock eriogonum
native
Perennial herb

POLYGONACEAE

Eriogonum saxatile
2017 Thomas Egan
Eriogonum saxatile
2019 Dana York
Eriogonum saxatile
2009 Ron Vanderhoff

Eriogonum wrightii var. membranaceum    Bastardsage,  Wright s buckwheat,  Wright's buckwheat
native
Perennial herb, Shrub

POLYGONACEAE

Eriogonum wrightii var. membranaceum
2012 Keir Morse
Eriogonum wrightii var. membranaceum
2012 Keir Morse
Eriogonum wrightii var. membranaceum
2012 Keir Morse

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

ASTERACEAE

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

Eriophyllum wallacei    Wallace eriophyllum,  Wallace's woolly daisy
native
Annual herb

ASTERACEAE

Eriophyllum wallacei
2022 Steve Matson
Eriophyllum wallacei
2023 Steve Matson
Eriophyllum wallacei
2022 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

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. capitatum
2017 Steve Matson
Erysimum capitatum var. capitatum
2017 Steve Matson
Erysimum capitatum var. capitatum
2017 Steve Matson

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
2022 Aaron Sunshine
Festuca microstachys
2011 Steve Matson
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

Frasera parryi    Coahuila frasera
native
Perennial herb

GENTIANACEAE

Frasera parryi
2020 Ron Vanderhoff
Frasera parryi
2020 Ron Vanderhoff
Frasera parryi
2020 Bob Sill

Fraxinus velutina    Arizona ash,  Velvet ash
native
Tree

OLEACEAE

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

Fremontodendron californicum    California flannelbush,  California fremontia,  Flannel bush
native
Shrub

MALVACEAE

Fremontodendron californicum
2020 Suzanne L. Weakley
Fremontodendron californicum
2019 Diane Etchison
Fremontodendron californicum
2020 Tom Ballinger

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

Garrya flavescens    Ashy silk tassel,  Ashy silktassel
native
Shrub

GARRYACEAE

Garrya flavescens
2020 Diane Etchison
Garrya flavescens
2023 Ryan O'Dell
Garrya flavescens
2020 Ron Vanderhoff

Gilia diegensis    Coastal gilia
native
Annual herb

POLEMONIACEAE

Gilia diegensis
2019 Diane Etchison
Gilia diegensis
2021 R.A. Chasey
Gilia diegensis
2021 R.A. Chasey

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

Githopsis diffusa ssp. candida    San gabriel bluecup
native
Annual herb

CAMPANULACEAE

Githopsis diffusa ssp. candida
2016 Ron Vanderhoff
Githopsis diffusa ssp. candida
2016 Ron Vanderhoff
Githopsis diffusa ssp. candida
2017 Abby Sirulnik

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

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

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    Farmer's foxtail,  Foxtail barley,  Mouse barley
invasive non-native
Annual grass

POACEAE

Hordeum murinum
2018 Gary McDonald
Hordeum murinum
2019 Gary McDonald
Hordeum murinum
2017 Gary McDonald

Horkelia clevelandii var. clevelandii    Cleveland's horkelia
native
Perennial herb

ROSACEAE

Horkelia clevelandii var. clevelandii
2019 David Greenberger
Horkelia clevelandii var. clevelandii
2021 Andy Jones
Horkelia clevelandii var. clevelandii
2021 Andy Jones

Hulsea vestita ssp. callicarpha    Beautiful hulsea,  Pumice alpinegold
rare native
Perennial herb

ASTERACEAE

Hulsea vestita ssp. callicarpha
2019 Matt Berger
Hulsea vestita ssp. callicarpha
2019 Matt Berger
Hulsea vestita ssp. callicarpha
2019 Matt Berger

Hymenopappus filifolius var. lugens    Columbia cutleaf,  Idaho hymenopappus
native
Perennial herb

ASTERACEAE

Hymenopappus filifolius var. lugens
2019 Matt Berger
Hymenopappus filifolius var. lugens
2018 Diane Etchison
Hymenopappus filifolius var. lugens
2018 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

Ivesia saxosa    Rock five finger,  Rock ivesia,  Rock mousetail
native
Perennial herb

ROSACEAE

Ivesia saxosa
2009 Steve Matson
Ivesia saxosa
2020 R.A. Chasey
Ivesia saxosa
2009 Steve Matson

Juncus mexicanus    Mexican rush
native
Perennial grasslike herb

JUNCACEAE

Juncus mexicanus
2004 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

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
2023 Helen Hancock
Koeleria macrantha
2015 Steve Matson
Koeleria macrantha
2015 Steve Matson

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

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

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

Leptosiphon lemmonii    Lemmon's linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon lemmonii
2019 Matt Berger
Leptosiphon lemmonii
2017 Keir Morse
Leptosiphon lemmonii
2014 Keir Morse

Lessingia glandulifera var. glandulifera    Sticky lessingia,  Valley lessingia
native
Annual herb

ASTERACEAE

Lessingia glandulifera var. glandulifera
2021 R.A. Chasey
Lessingia glandulifera var. glandulifera
2015 Steve Matson
Lessingia glandulifera var. glandulifera
2021 Mike Russler

Lithophragma affine    Common woodland star,  San francisco woodland star,  Woodland star
native
Perennial herb

SAXIFRAGACEAE

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

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

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

Lomatium mohavense    Mohave wild parsely,  Mojave desertparsley,  Mojave lomatium
native
Perennial herb

APIACEAE

Lomatium mohavense
2020 Matt Berger
Lomatium mohavense
2023 richard mcneill
Lomatium mohavense
2008 Steve Matson

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
2021 Ron Vanderhoff

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

FABACEAE

Lupinus bicolor
2021 Ken Lunders
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus concinnus    Bajada lupine,  Elegant lupine,  Scarlet lupine
native
Annual herb

FABACEAE

Lupinus concinnus
2022 Ron Vanderhoff
Lupinus concinnus
2019 Ron Vanderhoff
Lupinus concinnus
2017 B.J. Dion

Lupinus excubitus var. austromontanus    Southern mountain lupine
native
Shrub

FABACEAE

Lupinus excubitus var. austromontanus
2016 Steve Matson
Lupinus excubitus var. austromontanus
2016 Steve Matson
Lupinus excubitus var. austromontanus
2022 Mike Russler

Lupinus formosus    Lupine,  Summer lupine,  Western lupine
native
Perennial herb

FABACEAE

Lupinus formosus
2016 Michael Mitchell
Lupinus formosus
2021 Mike Russler
Lupinus formosus
2021 Cynthia Powell

Malacothamnus fasciculatus    Chaparral bushmallow,  Southern coastal bushmallow
native
Shrub

MALVACEAE

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

Malacothrix clevelandii    Cleveland's dandelion,  Cleveland's desertdandelion,  Cleveland's malacothrix
native
Annual herb

ASTERACEAE

Malacothrix clevelandii
2021 Steve Laymon
Malacothrix clevelandii
2022 Mike Russler
Malacothrix clevelandii
2023 R.A. Chasey

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

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

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

Mentzelia veatchiana    Veatch's blazing star
native
Annual herb

LOASACEAE

Mentzelia veatchiana
2019 Marisa Persaud
Mentzelia veatchiana
2019 Diane Etchison
Mentzelia veatchiana
2021 Mike Russler

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

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

Mimulus aurantiacus var. pubescens    southern bush monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus var. pubescens
2021 Keir Morse
Mimulus aurantiacus var. pubescens
2014 Steve Matson
Mimulus aurantiacus var. pubescens
2021 Keir Morse

Mimulus breweri    Brewer's monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus breweri
2021 Mike Russler
Mimulus breweri
2019 Diane Etchison
Mimulus breweri
2021 Mike Russler

Mimulus fremontii var. fremontii    Fremont's monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus fremontii var. fremontii
2019 David Greenberger
Mimulus fremontii var. fremontii
2019 Matt Berger
Mimulus fremontii var. fremontii
2019 Matt Berger

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

PHRYMACEAE

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

Mimulus pilosus    Snouted monkey flower
native
Annual herb

PHRYMACEAE

Mimulus pilosus
2017 Steve Matson
Mimulus pilosus
2019 Matt Berger
Mimulus pilosus
2017 Steve Matson

Minuartia pusilla    Annual Sandwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia pusilla
2022 Ian Cain
Minuartia pusilla
2022 Ian Cain
Minuartia pusilla
2022 Ian Cain

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 linoides ssp. linoides    Flax like monardella,  Flaxleaf monardella
native
Perennial herb

LAMIACEAE

Monardella linoides ssp. linoides
2012 Keir Morse
Monardella linoides ssp. linoides
2012 Keir Morse
Monardella linoides ssp. linoides
2012 Keir Morse

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

Montia fontana    Annual water minerslettuce,  Water chickweed,  Water montia
native
Annual herb

MONTIACEAE

Montia fontana
2023 Alaine Arslan
Montia fontana
2023 Alaine Arslan
Montia fontana
2006 Steve Matson

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

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

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

Muilla maritima
2017 Steve Matson
Muilla maritima
2017 Ron Vanderhoff
Muilla maritima
2017 Steve Matson

Nemacladus longiflorus var. longiflorus    Long flowered nemacladus,  Longflower threadplant
native
Annual herb

CAMPANULACEAE

Nemacladus longiflorus var. longiflorus
2017 Keir Morse
Nemacladus longiflorus var. longiflorus
2013 Keir Morse
Nemacladus longiflorus var. longiflorus
2013 Keir Morse

Nemacladus ramosissimus    Nuttall's nemacladus,  Smallflower threadplant
native
Annual herb

CAMPANULACEAE

Nemacladus ramosissimus
2017 Fred Melgert / Carla Hoegen
Nemacladus ramosissimus
2019 Ron Vanderhoff
Nemacladus ramosissimus
2017 James Bailey

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii
2019 Matt Berger
Nemophila menziesii
2019 Diane Etchison
Nemophila menziesii
2019 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

Oenothera californica ssp. californica    California evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera californica ssp. californica
2018 Aaron Echols
Oenothera californica ssp. californica
2023 Richard Spjut
Oenothera californica ssp. californica
2019 Susan McDougall

Opuntia chlorotica    Dollarjoint pricklypear,  Pancake cactus,  Pancake prickly pear
native
Shrub (stem succulent)

CACTACEAE

Opuntia chlorotica
2017 Fred Melgert / Carla Hoegen
Opuntia chlorotica
2020 Matt Berger
Opuntia chlorotica
2017 Fred Melgert / Carla Hoegen

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

Opuntia polyacantha var. erinacea    Grizzlybear pricklypear
native
Shrub (stem succulent)

CACTACEAE

Opuntia polyacantha var. erinacea
2012 Steve Matson
Opuntia polyacantha var. erinacea
2012 Steve Matson
Opuntia polyacantha var. erinacea
2012 Steve Matson

Pectocarya penicillata    Sleeping combseed,  Winged comb seed,  Winged pectocarya
native
Annual herb

BORAGINACEAE

Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2017 Ron Vanderhoff
Pectocarya penicillata
2022 Steve Matson

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
2010 Steve Matson
Penstemon rostriflorus
2008 Steve Matson
Penstemon rostriflorus
2010 Steve Matson

native
Perennial herb

PLANTAGINACEAE

Penstemon spectabilis var. spectabilis
2020 Ron Vanderhoff
Penstemon spectabilis var. spectabilis
2022 Ron Vanderhoff
Penstemon spectabilis var. spectabilis
2022 Ron Vanderhoff

Pentachaeta aurea    Golden chaetopappa,  Golden rayed pentachaeta
native
Annual herb

ASTERACEAE

Pentachaeta aurea
2022 Ron Vanderhoff
Pentachaeta aurea
2022 Ron Vanderhoff
Pentachaeta aurea
2022 Ron Vanderhoff

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 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 imbricata ssp. patula    Imbricate phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. patula
2020 Bob Sill
Phacelia imbricata ssp. patula
2019 Bonnie Nickel
Phacelia imbricata ssp. patula
2019 Matt Berger

Phacelia minor    California bluebell,  Wild canterbury bells
native
Annual herb

HYDROPHYLLACEAE

Phacelia minor
2020 David Greenberger
Phacelia minor
2019 Matt Berger
Phacelia minor
2020 stephen montgomery

Phacelia ramosissima    Branching phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia ramosissima
2005 Steve Matson
Phacelia ramosissima
2022 Rosalind Helfand
Phacelia ramosissima
2020 Ron Vanderhoff

Phlox austromontana    Southern mountain phlox
native
Perennial herb

POLEMONIACEAE

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

native
Shrub (parasitic)

VISCACEAE

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

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 jeffreyi    Jeffrey pine
native
Tree

PINACEAE

Pinus jeffreyi
2019 Susan McDougall
Pinus jeffreyi
2016 Dave Brandt
Pinus jeffreyi
2016 Jim Moore

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

PINACEAE

Pinus quadrifolia
2017 Michael Ponce
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

Plagiobothrys tenellus    Pacific popcornflower,  Popcorn flower,  Slender popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys tenellus
2023 Larry Dizmang
Plagiobothrys tenellus
2023 Larry Dizmang
Plagiobothrys tenellus
2022 Mike Russler

Plantago patagonica    Patagonia plantain,  Woolly plantain
native
Annual herb

PLANTAGINACEAE

Plantago patagonica
2020 Ron Vanderhoff
Plantago patagonica
2020 Ron Vanderhoff
Plantago patagonica
2004 James M. Andre

Poa bulbosa ssp. vivipara    Bulbous blue grass
non-native
Perennial grass

POACEAE

Poa bulbosa ssp. vivipara
null
Poa bulbosa ssp. vivipara
2015 Richard Chasey
Poa bulbosa ssp. vivipara
2022 John Rawlings

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

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

native
Perennial herb

ASTERACEAE

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

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

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

Pseudognaphalium microcephalum    Wright's cudweed
native
Perennial herb

ASTERACEAE

Pseudognaphalium microcephalum
2020 Ron Vanderhoff
Pseudognaphalium microcephalum
2022 David Strauch
Pseudognaphalium microcephalum
2019 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 acutidens    Torrey's hybrid oak
native
Shrub, Tree

FAGACEAE

Quercus acutidens
2017 Diane Etchison
Quercus acutidens
2004 Charles E. Jones
Quercus acutidens
2004 Charles E. Jones

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 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 palmeri    Desert oak,  Palmer's oak,  Scrub oak
native
Shrub

FAGACEAE

Quercus palmeri
2022 Cynthia Powell
Quercus palmeri
2019 R.A. Chasey
Quercus palmeri
2022 Diane Renshaw

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

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
2019 David Greenberger
Rafinesquia californica
2021 Ron Vanderhoff
Rafinesquia californica
2017 Steve Matson

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 aromatica    Fragrant sumac,  Skunk Bush
native
Shrub

ANACARDIACEAE

Rhus aromatica
2018 Steve Matson
Rhus aromatica
2018 Steve Matson
Rhus aromatica
2018 Steve Matson

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

Rhus ovata
2020 Bryant Baker
Rhus ovata
2020 Bryant Baker
Rhus ovata
2019 Bryant Baker

Ribes indecorum    White flowering currant,  Whiteflower currant
native
Shrub

GROSSULARIACEAE

Ribes indecorum
2020 Diane Etchison
Ribes indecorum
2020 Diane Etchison
Ribes indecorum
2020 Diane Etchison

Rumex californicus    California dock
native
Perennial herb

POLYGONACEAE

Rumex californicus
2005 Steve Matson
Rumex californicus
2023 Ron Vanderhoff
Rumex californicus
2016 Cynthia Powell

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Saltugilia australis    Southern gilia
native
Annual herb

POLEMONIACEAE

Saltugilia australis
2015 Ron Vanderhoff
Saltugilia australis
2021 Ron Vanderhoff
Saltugilia australis
2015 Keir Morse

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

Sambucus caerulea    Blue elderberry
native
Shrub

VIBURNACEAE

Sambucus caerulea
2020 Diane Etchison
Sambucus caerulea
2021 Richard Spjut
Sambucus caerulea
2016 Chris Leslie

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

Selaginella asprella    Bluish spike moss,  Bluish spikemoss
rare native

SELAGINELLACEAE

Selaginella asprella
2023 R.A. Chasey
Selaginella asprella
2023 R.A. Chasey
Selaginella asprella
2023 Mike Russler

Senecio californicus    California butterweed,  California groundsel,  California ragwort
native
Annual herb

ASTERACEAE

Senecio californicus
2019 Diane Etchison
Senecio californicus
2023 Ron Vanderhoff
Senecio californicus
2022 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

Sidotheca emarginata    White margined oxytheca
rare native
Annual herb

POLYGONACEAE

Sidotheca emarginata
2019 Matt Berger
Sidotheca emarginata
2019 Matt Berger
Sidotheca emarginata
2019 Matt Berger

Sidotheca trilobata    Three lobed oxytheca
native
Annual herb

POLYGONACEAE

Sidotheca trilobata
2017 Fred Melgert / Carla Hoegen
Sidotheca trilobata
2019 Ron Vanderhoff
Sidotheca trilobata
2019 Ron Vanderhoff

Silene parishii    Parish's campion,  Parish's catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene parishii
2020 John L. Thompson
Silene parishii
2015 Matt Berger
Silene parishii
2020 John L. Thompson

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

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2020 Mary Conway
Sisyrinchium bellum
2024 Ron Vanderhoff
Sisyrinchium bellum
2019 Stacie Wolny

Solanum xanti    Chaparral nightshade,  Nightshade,  Purple nightshade
native
Perennial herb, Shrub

SOLANACEAE

Solanum xanti
2008 Steve Matson
Solanum xanti
2008 Steve Matson
Solanum xanti
2008 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

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

MALVACEAE

Sphaeralcea ambigua var. rugosa
2023 R.A. Chasey
Sphaeralcea ambigua var. rugosa
2023 R.A. Chasey
Sphaeralcea ambigua var. rugosa
2023 R.A. Chasey

Stephanomeria exigua ssp. deanei    Dean's stephanomeria,  Deane's wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria exigua ssp. deanei
2012 Keir Morse
Stephanomeria exigua ssp. deanei
2012 Keir Morse
Stephanomeria exigua ssp. deanei
2012 Keir Morse

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 parishii var. parishii    Parish's needlegrass
native
Perennial grass

POACEAE

Stipa parishii var. parishii
2022 Steve Matson
Stipa parishii var. parishii
2019 Steve Matson
Stipa parishii var. parishii
2022 Steve Matson

Stipa speciosa    Desert needle grass
native
Perennial grass

POACEAE

Stipa speciosa
2011 Steve Matson
Stipa speciosa
2022 Dana York
Stipa speciosa
2018 Liz Block

Streptanthus campestris    Southern jewel flower,  Southern jewelflower,  Southern streptanthus
rare native
Perennial herb

BRASSICACEAE

Streptanthus campestris
2019 Matt Berger
Streptanthus campestris
2020 Matt Berger
Streptanthus campestris
2020 Matt Berger

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

ASTERACEAE

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

Tauschia arguta    Southern tauschia,  Southern umbrellawort
native
Perennial herb

APIACEAE

Tauschia arguta
2019 Matt Berger
Tauschia arguta
2020 Bryant Baker
Tauschia arguta
2019 Diane Etchison

Tauschia parishii    Parish's tauschia,  Parish's umbrellawort
native
Perennial herb

APIACEAE

Tauschia parishii
2013 Steve Matson
Tauschia parishii
2013 Steve Matson
Tauschia parishii
2013 Steve Matson

Tetradymia comosa    Cotton thorn,  Hairy horsebrush
native
Shrub

ASTERACEAE

Tetradymia comosa
2015 Ron Vanderhoff
Tetradymia comosa
2017 Ron Vanderhoff
Tetradymia comosa
2014 Ron Vanderhoff

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

Tribulus terrestris    Puncture vine,  Puncturevine
invasive non-native
Annual herb

ZYGOPHYLLACEAE

Tribulus terrestris
2015 Steve Matson
Tribulus terrestris
2020 Ron Vanderhoff
Tribulus terrestris
2020 Maura Hay

Trichostema parishii    Parish's bluecurls
native
Shrub

LAMIACEAE

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

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

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

Trifolium monanthum ssp. grantianum    Grant's carpet clover
native
Perennial herb

FABACEAE

Trifolium monanthum ssp. grantianum
2015 Keir Morse
Trifolium monanthum ssp. grantianum
© 2015 Keir Morse
Trifolium monanthum ssp. grantianum
2015 Keir Morse

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2019 Ron Vanderhoff
Trifolium willdenovii
2018 Stacie Wolny

Turritis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

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

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

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

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

FABACEAE

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

Viola purpurea ssp. quercetorum    Goosefoot violet,  Goosefoot yellow violet
native
Perennial herb

VIOLACEAE

Viola purpurea ssp. quercetorum
2016 Steve Matson
Viola purpurea ssp. quercetorum
2016 Steve Matson
Viola purpurea ssp. quercetorum
2016 Steve Matson

Yucca schidigera    Mohave yucca,  Mojave yucca
native
Tree

AGAVACEAE

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