logo Calflora  Illustrated Plant List 
Calf Canyon
San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-08)

Record Detail Nearby Surveys What Grows Here?
313 PLANTS
Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

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

Acmispon brachycarpus    hill lotus
native
Annual herb

FABACEAE

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

Acmispon strigosus    Strigose lotus
native
Annual herb

FABACEAE

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

Acmispon wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

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

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
2021 Emily Sluiman

Agoseris heterophylla var. cryptopleura    Mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla var. cryptopleura
2022 Mike Russler
Agoseris heterophylla var. cryptopleura
2022 Mike Russler
Agoseris heterophylla var. cryptopleura
2022 Mike Russler

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

POACEAE

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

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

Amorpha californica var. californica    California false indigo
native
Shrub

FABACEAE

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

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

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

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

BORAGINACEAE

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

Anthriscus caucalis    Bur chervil
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
2017 Diane Etchison
Anthriscus caucalis
2013 Toni Corelli
Anthriscus caucalis
2020 Jennifer Mo

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

PLANTAGINACEAE

Antirrhinum kelloggii
2020 Ron Vanderhoff
Antirrhinum kelloggii
2019 David Greenberger
Antirrhinum kelloggii
2019 Ron Vanderhoff

native
Perennial herb

PLANTAGINACEAE

Antirrhinum thompsonii
2018 Michael Mitchell
Antirrhinum thompsonii
Geoff Burleigh
Antirrhinum thompsonii
2016 Kristin Sabo

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2021 David popp

Aphyllon californicum ssp. condensum    California broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Aphyllon californicum ssp. condensum
2023 Paul Excoffier

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

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

VISCACEAE

Arceuthobium occidentale
2016 Richard Spjut
Arceuthobium occidentale
2020 Charles Russell
Arceuthobium occidentale
2021 Mikhela Aiken

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

ERICACEAE

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

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

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

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

APOCYNACEAE

Asclepias eriocarpa
2017 Diane Etchison
Asclepias eriocarpa
2019 Cliff Halverson
Asclepias eriocarpa
2014 Dan Cohn

Astragalus douglasii var. douglasii    Douglas's milkvetch
native
Perennial herb

FABACEAE

Astragalus douglasii var. douglasii
2016 Steve Matson
Astragalus douglasii var. douglasii
2016 Steve Matson
Astragalus douglasii var. douglasii
2016 Steve Matson

Athysanus pusillus    Athysanus,  Common sandweed,  Dwarf athysanus
native
Annual herb

BRASSICACEAE

Athysanus pusillus
2008 Steve Matson
Athysanus pusillus
2008 Steve Matson
Athysanus pusillus
2008 Steve Matson

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

POACEAE

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

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

POACEAE

Avena fatua
2018 Gary McDonald
Avena fatua
2023 Ron Vanderhoff
Avena fatua
2023 Ron Vanderhoff

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

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

ASTERACEAE

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

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

BRASSICACEAE

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

Blitum californicum    Small Tree-Mallow


Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
2017 Gary McDonald
Briza maxima
2018 Bill Schmidt
Briza maxima
2017 Gary McDonald

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

POACEAE

Bromus arenarius
2019 Ron Vanderhoff
Bromus arenarius
2019 Ron Vanderhoff

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

POACEAE

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

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

POACEAE

Bromus diandrus
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 rubens    Red brome
invasive non-native
Annual grass

POACEAE

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

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

POACEAE

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

Calandrinia breweri    Brewer's calandrinia
rare native
Annual herb

MONTIACEAE

Calandrinia breweri
2015 Ron Vanderhoff
Calandrinia breweri
2018 Ken Hickman
Calandrinia breweri
2014 Ron Vanderhoff

Calandrinia menziesii    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

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

Calochortus simulans    San luis obispo mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus simulans
2019 David Greenberger
Calochortus simulans
2019 David Greenberger
Calochortus simulans
2020 John L. Thompson

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

Calystegia longipes    Paiute false bindweed,  Piute morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia longipes
2020 Mike Russler
Calystegia longipes
2022 Steve Matson
Calystegia longipes
2022 Steve Matson

Calystegia malacophylla ssp. pedicellata    Jepson's morning glory,  Sierra false bindweed
native
Perennial herb

CONVOLVULACEAE

Calystegia malacophylla ssp. pedicellata
2021 R.A. Chasey
Calystegia malacophylla ssp. pedicellata
2020 David Greenberger
Calystegia malacophylla ssp. pedicellata
2021 Dick Rawson

Camissonia contorta    Contorted sun cup,  Plains evening primrose
native
Annual herb

ONAGRACEAE

Camissonia contorta
2023 Dianne Lake
Camissonia contorta
2022 Mike Russler
Camissonia contorta
2022 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 hardhamiae    Hardham's evening-primrose
rare native
Annual herb

ONAGRACEAE

Camissoniopsis hardhamiae
1981 California Native Plant Society
Camissoniopsis hardhamiae
2005 Dean Wm. Taylor
Camissoniopsis hardhamiae
2013 Chris Winchell

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissoniopsis micrantha
2021 Ken-ichi Ueda
Camissoniopsis micrantha
2021 Ken-ichi Ueda
Camissoniopsis micrantha
2023 Julia Markey

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

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

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 minor ssp. spiralis    Lesser indian paintbrush,  Lesser paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja minor ssp. spiralis
2023 Rhonda Allen
Castilleja minor ssp. spiralis
2019 Ron Vanderhoff
Castilleja minor ssp. spiralis
2019 Matt Berger

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2022 Ryan O'Dell
Ceanothus cuneatus var. cuneatus
2021 Steve Matson
Ceanothus cuneatus var. cuneatus
2019 Cara Wilcox

Ceanothus leucodermis    Chaparral whitethorn
native
Shrub

RHAMNACEAE

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

Centaurea benedicta    Blessed thistle
non-native
Annual herb

ASTERACEAE

Centaurea benedicta
2019 Kevin Mason
Centaurea benedicta
2021 Aaron Echols
Centaurea benedicta
2020 Diane Etchison

Centaurea melitensis    Maltese star thistle,  Napa star thistle,  Tocalote
invasive non-native
Annual herb

ASTERACEAE

Centaurea melitensis
2019 Ron Vanderhoff
Centaurea melitensis
2020 Ron Vanderhoff
Centaurea melitensis
2020 Laura Anna Arellano

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

ASTERACEAE

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

Centromadia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

Centromadia pungens ssp. pungens
2022 Cynthia Powell
Centromadia pungens ssp. pungens
2021 Mike Russler
Centromadia pungens ssp. pungens
2022 Cynthia Powell

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
2023 Ron Vanderhoff
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

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

ASTERACEAE

Chaenactis glabriuscula var. glabriuscula
2020 David Greenberger
Chaenactis glabriuscula var. glabriuscula
2020 R.A. Chasey
Chaenactis glabriuscula var. glabriuscula
2020 R.A. Chasey

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

Chenopodium pratericola    Desert goosefoot,  Meadow goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium pratericola
2023 Dianne Lake
Chenopodium pratericola
2018 Gerald Carr
Chenopodium pratericola
2018 Gerald Carr

Chondrilla juncea    Hogbite,  Skeleton weed
invasive non-native
Perennial herb

ASTERACEAE

Chondrilla juncea
2021 George Williams
Chondrilla juncea
2021 Julia Kosowitz
Chondrilla juncea
2021 Bob Sweatt

Chorizanthe membranacea    Pink spineflower
native
Annual herb

POLYGONACEAE

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

Chorizanthe rectispina    Prickly spineflower,  Straight awned spineflower
rare native
Annual herb

POLYGONACEAE

Chorizanthe rectispina
1982 California Native Plant Society
Chorizanthe rectispina
2013 Chris Winchell

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

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

Cirsium occidentale var. venustum    Cobwebby thistle,  Red thistle,  Venus thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. venustum
2011 Steve Matson
Cirsium occidentale var. venustum
2011 Steve Matson
Cirsium occidentale var. venustum
2011 Steve Matson

Clarkia cylindrica ssp. cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

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

Clarkia modesta    Waltham Creek clarkia
native
Annual herb

ONAGRACEAE

Clarkia modesta
2020 David Greenberger
Clarkia modesta
2020 Steve Laymon
Clarkia modesta
2019 Steve Laymon

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

ONAGRACEAE

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

Clarkia speciosa ssp. speciosa    Red spot clarkia,  Redspot clarkia
native
Annual herb

ONAGRACEAE

Clarkia speciosa ssp. speciosa
2019 Steve Laymon
Clarkia speciosa ssp. speciosa
2003 Keir Morse
Clarkia speciosa ssp. speciosa
2020 Steve Laymon

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

ONAGRACEAE

Clarkia unguiculata
2019 David Greenberger
Clarkia unguiculata
2021 Mike Russler
Clarkia unguiculata
2022 Suzanne L. Weakley

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

MONTIACEAE

Claytonia parviflora ssp. parviflora
2022 Ron Vanderhoff
Claytonia parviflora ssp. parviflora
2017 Gary McDonald
Claytonia parviflora ssp. parviflora
2017 Gary McDonald

Claytonia perfoliata ssp. 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

Collinsia bartsiifolia var. davidsonii    Davidson's blue eyed mary,  Davidson's collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia bartsiifolia var. davidsonii
2015 Justin Luong
Collinsia bartsiifolia var. davidsonii
2022 Mike Russler
Collinsia bartsiifolia var. davidsonii
2022 Mike Russler

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

Cordylanthus rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
2021 Mike Russler

Corethrogyne filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

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

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

CRASSULACEAE

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

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

CRASSULACEAE

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

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

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 corollata    Coast range cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha corollata
2022 Helen Hancock
Cryptantha corollata
2022 Helen Hancock
Cryptantha corollata
2022 Helen Hancock

Cryptantha flaccida    Beaked cryptantha,  Flaccid cryptantha,  Weakstem cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha flaccida
2018 Alice Cummings
Cryptantha flaccida
2016 Steve Matson
Cryptantha flaccida
2016 Steve Matson

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 microstachys    Popcorn flower,  Tejon cryptantha
native
Annual herb

BORAGINACEAE

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

Cuscuta subinclusa    Canyon dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta subinclusa
2018 Ron Vanderhoff
Cuscuta subinclusa
2020 Ron Vanderhoff
Cuscuta subinclusa
2018 Ron Vanderhoff

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

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

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

SOLANACEAE

Datura wrightii
2017 Lisa Miller
Datura wrightii
2019 Ron Vanderhoff
Datura wrightii
2020 Mike McNamara

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 pentactis    Salinas river tarweed
native
Annual herb

ASTERACEAE

Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2015 Richard Spellenberg
Deinandra pentactis
2023 Ryan O'Dell

Delphinium parryi ssp. blochmaniae    Blochman's larkspur,  Dune larkspur
rare native
Perennial herb

RANUNCULACEAE

Delphinium parryi ssp. blochmaniae
Geoff Burleigh
Delphinium parryi ssp. blochmaniae
Geoff Burleigh
Delphinium parryi ssp. blochmaniae
Geoff Burleigh

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 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

Diplacus aurantiacus var. longiflorus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. longiflorus
2023 Bill Kress
Diplacus aurantiacus var. longiflorus
2019 Stacie Wolny
Diplacus aurantiacus var. longiflorus
2019 Gary McDonald

Diplacus fremontii [Mimulus fremontii var. fremontii]    Small Tree-Mallow


native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2023 Steve Matson
Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2023 Steve Matson
Dipterostemon capitatus ssp. capitatus [Dichelostemma capitatum ssp. capitatum]
2022 Steve Matson

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

Ehrendorferia chrysantha    Golden eardrops
native
Perennial herb

PAPAVERACEAE

Ehrendorferia chrysantha
2019 David Greenberger
Ehrendorferia chrysantha
2020 Bryant Baker
Ehrendorferia chrysantha
2019 Ron Vanderhoff

Elymus glaucus ssp. virescens    Blue wildrye,  Virginia wildrye
native
Perennial grass

POACEAE

Elymus glaucus ssp. virescens
2023 John Rawlings
Elymus glaucus ssp. virescens
2012 Toni Corelli
Elymus glaucus ssp. virescens
2023 John Rawlings

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

HYDROPHYLLACEAE

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

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

ONAGRACEAE

Epilobium brachycarpum
2023 Mary Ann Machi
Epilobium brachycarpum
2019 Ramona Robison
Epilobium brachycarpum
2020 Ron Vanderhoff

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

ONAGRACEAE

Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff

Epilobium ciliatum ssp. ciliatum    Fringed willowherb,  Northern willow herb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
2017 Gary McDonald
Epilobium ciliatum ssp. ciliatum
2019 Gary McDonald
Epilobium ciliatum ssp. ciliatum
2019 Ron Vanderhoff

Epilobium densiflorum    Dense boisduvalia,  Dense flowered boisduvalia,  Dense flowered spike primrose
native
Annual herb

ONAGRACEAE

Epilobium densiflorum
2009 BOB CASE
Epilobium densiflorum
2021 Mike Russler
Epilobium densiflorum
2022 Ken-ichi Ueda

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
2016 Steve Matson
Equisetum telmateia ssp. braunii
2016 Steve Matson
Equisetum telmateia ssp. braunii
2022 Suzanne L. Weakley

Eriastrum luteum    Yellow flowered eriastrum,  Yellow woollystar
rare native
Annual herb

POLEMONIACEAE

Eriastrum luteum
2005 Aaron Schusteff
Eriastrum luteum
2011 Chris Winchell

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

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

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

ASTERACEAE

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

Eriodictyon tomentosum    Woolly yerba santa
native
Shrub

NAMACEAE

Eriodictyon tomentosum
2021 Mike Russler
Eriodictyon tomentosum
2021 Mike Russler
Eriodictyon tomentosum
2021 Mike Russler

Eriogonum baileyi var. baileyi    Bailey's buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum baileyi var. baileyi
2022 Steve Matson
Eriogonum baileyi var. baileyi
2022 Steve Matson
Eriogonum baileyi var. baileyi
2005 Steve Matson

Eriogonum elegans    Elegant buckwheat
rare native
Annual herb

POLYGONACEAE

Eriogonum elegans
2021 Mike Russler
Eriogonum elegans
2021 Mike Russler
Eriogonum elegans
2021 Mike Russler

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 gracile    Slender buckwheat,  Slender woolly buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum gracile
2022 Mike Russler
Eriogonum gracile
2018 Fred Melgert / Carla Hoegen
Eriogonum gracile
2019 Hailey Laskey

Eriogonum roseum    Wand buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum roseum
2019 Matt Berger
Eriogonum roseum
2014 Steve Matson
Eriogonum roseum
2014 Steve Matson

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

ASTERACEAE

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

Eriophyllum multicaule    Branched woolly sunflower,  Many stemmed eriophyllum,  Manystem woolly sunflower
native
Annual herb

ASTERACEAE

Eriophyllum multicaule
2020 David Wolfson
Eriophyllum multicaule
2020 David Greenberger
Eriophyllum multicaule
2022 David Wolfson

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

Erythranthe cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

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

Erythranthe floribunda    Many flowered monkeyflower
native
Annual herb

PHRYMACEAE

Erythranthe floribunda
2021 Mike Russler
Erythranthe floribunda
2019 Diane Etchison
Erythranthe floribunda
2021 Mike Russler

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

PHRYMACEAE

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

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
2019 Dee Shea Himes
Eschscholzia californica
2021 Ron Vanderhoff
Eschscholzia californica
2019 Amy Rapport

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

HYDROPHYLLACEAE

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

Eulobus californicus    California primrose
native
Annual herb

ONAGRACEAE

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

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

Festuca octoflora    Sixweeks grass
native
Annual grass

POACEAE

Festuca octoflora
2023 R.A. Chasey
Festuca octoflora
2020 Sara Timby
Festuca octoflora
2018 Ken Hickman

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

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

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    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 aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
2020 Ron Vanderhoff
Galium aparine
2005 Steve Matson
Galium aparine
2020 Ron Vanderhoff

Galium californicum ssp. flaccidum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson
Galium californicum ssp. flaccidum
2014 Steve Matson

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense
2021 Al Keuter
Galium parisiense
2020 Ron Vanderhoff
Galium parisiense
2020 David popp

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

native
Annual herb

POLEMONIACEAE

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

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2013 Gary McDonald
Gilia clivorum
2021 Helen Hancock

Gilia ochroleuca ssp. minima    Volcanic gilia
native
Annual herb

POLEMONIACEAE

Gilia ochroleuca ssp. minima
2016 Steve Matson
Gilia ochroleuca ssp. minima
2016 Steve Matson
Gilia ochroleuca ssp. minima
2016 Steve Matson

Gilia tenuiflora ssp. amplifaucalis    Greater yellowthroat gilia,  Spreading slender flowered gilia
rare native
Annual herb

POLEMONIACEAE


Githopsis diffusa ssp. robusta    San gabriel bluecup
native
Annual herb

CAMPANULACEAE

Githopsis diffusa ssp. robusta
2012 Anuja Parikh and Nathan Gale
Githopsis diffusa ssp. robusta
2012 Aaron Arthur
Githopsis diffusa ssp. robusta
2012 Anuja Parikh and Nathan Gale

Gnaphalium palustre    Lowland cudweed,  Western marsh cudweed
native
Annual herb

ASTERACEAE

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

Hazardia stenolepis    Narrow scaled goldenbush,  Serpentine bristleweed
native
Shrub (stem succulent)

ASTERACEAE

Hazardia stenolepis
2012 George Butterworth
Hazardia stenolepis
2012 George Butterworth
Hazardia stenolepis
2011 George Butterworth

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

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

Helianthus bolanderi    Bolander's sunflower,  Serpentine sunflower
native
Annual, Perennial herb

ASTERACEAE

Helianthus bolanderi
2013 Bob Case
Helianthus bolanderi
2022 Paul Watts
Helianthus bolanderi
2022 Alaine Arslan

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

URTICACEAE

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

Hesperomecon linearis    Narrowleaf queen poppy
native
Annual herb

PAPAVERACEAE

Hesperomecon linearis
2021 Mary Conway
Hesperomecon linearis
2021 Mary Conway
Hesperomecon linearis
2021 Karen Swift

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

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

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

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

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

ASTERACEAE

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

Hirschfeldia incana    Mediterranean hoary mustard,  Short podded mustard,  Summer mustard
invasive non-native
Perennial herb

BRASSICACEAE

Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2022 Ron Vanderhoff

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

POACEAE

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

Hordeum vulgare    Common barley
non-native
Annual grass

POACEAE

Hordeum vulgare
2019 Ron Vanderhoff
Hordeum vulgare
2019 Ron Vanderhoff
Hordeum vulgare
2022 Ron Vanderhoff

Horkelia yadonii    Santa lucia horkelia
rare native
Perennial herb (rhizomatous)

ROSACEAE

Horkelia yadonii
2022 Ryan O'Dell
Horkelia yadonii
2023 Ryan O'Dell
Horkelia yadonii
2023 Ryan O'Dell

Hulsea heterochroma    Red rayed hulsea,  Redray alpinegold
native
Perennial herb

ASTERACEAE

Hulsea heterochroma
2015 Steve Matson
Hulsea heterochroma
2015 Steve Matson
Hulsea heterochroma
2015 Steve Matson

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

native
Annual grasslike herb

JUNCACEAE

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

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

JUNCACEAE

Juncus bufonius var. congestus
2004 Steve Matson

Juncus dubius    Dubius rush,  Mariposa rush
native
Perennial grasslike herb

JUNCACEAE

Juncus dubius
2015 Keir Morse
Juncus dubius
2015 Keir Morse
Juncus dubius
2015 Keir Morse

Juncus macrophyllus    Long leaved rush,  Longleaf rush,  Rush
native
Perennial grasslike herb

JUNCACEAE

Juncus macrophyllus
2019 Ron Vanderhoff
Juncus macrophyllus
2019 Ron Vanderhoff
Juncus macrophyllus
2023 R.A. Chasey

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

PLANTAGINACEAE

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

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

ASTERACEAE

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

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

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

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

LAMIACEAE

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

Lasthenia gracilis    Needle goldfields
native
Annual herb

ASTERACEAE

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

Layia glandulosa    White layia,  White tidy tips,  Whitedaisy tidytips
native
Annual herb

ASTERACEAE

Layia glandulosa
2016 James Gonsman
Layia glandulosa
2021 Mike Russler
Layia glandulosa
2021 Mike Russler

Layia hieracioides    Hawkweed layia,  Tall layia,  Tall tidytips
native
Annual herb

ASTERACEAE

Layia hieracioides
2020 David Greenberger
Layia hieracioides
2021 R.A. Chasey
Layia hieracioides
2022 R.A. Chasey

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

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

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

BRASSICACEAE

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

Lessingia pectinata var. tenuipes    Sticky lessingia
native
Annual herb

ASTERACEAE

Lessingia pectinata var. tenuipes
2021 Richard Spjut
Lessingia pectinata var. tenuipes
2022 Ken-ichi Ueda
Lessingia pectinata var. tenuipes
2022 Ken-ichi Ueda

Lessingia tenuis    Spring lessingia
rare native
Annual herb

ASTERACEAE

Lessingia tenuis
2022 Mike Russler
Lessingia tenuis
2022 Mike Russler
Lessingia tenuis
2022 Mike Russler

native
Shrub

POLEMONIACEAE

Linanthus californicus ssp. californicus
2023 Ron Vanderhoff
Linanthus californicus ssp. californicus
2023 Ron Vanderhoff
Linanthus californicus ssp. californicus
2023 Ron Vanderhoff

Linanthus parryae    Parry's linanthus,  Sand blossoms,  Sandblossoms
native
Annual herb

POLEMONIACEAE

Linanthus parryae
2022 Steve Matson
Linanthus parryae
2015 Steve Matson
Linanthus parryae
2011 Steve Matson

Lithophragma cymbalaria    Mission star,  Mission woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma cymbalaria
2020 Bryant Baker
Lithophragma cymbalaria
2020 David Greenberger
Lithophragma cymbalaria
2020 Bryant Baker

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
2019 David Greenberger
Lithophragma heterophyllum
2019 David Magney
Lithophragma heterophyllum
2018 Ken Lunders

Loeflingia squarrosa    Spreading loeflingia,  Spreading pygmyleaf
native
Annual herb

CARYOPHYLLACEAE

Loeflingia squarrosa
2010 Steve Matson
Loeflingia squarrosa
2010 Steve Matson
Loeflingia squarrosa
2010 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

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 caruifolium var. caruifolium    Alkali desertparsley,  Caraway leaved lomatium
native
Perennial herb

APIACEAE

Lomatium caruifolium var. caruifolium
2014 Steve Matson
Lomatium caruifolium var. caruifolium
2022 Dianne Lake
Lomatium caruifolium var. caruifolium
2014 Steve Matson

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
2018 Gary McDonald
Lomatium macrocarpum
2022 John Rawlings
Lomatium macrocarpum
2013 Gary McDonald

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

APIACEAE

Lomatium utriculatum
2006 Steve Matson
Lomatium utriculatum
2019 Eliezer Margolis
Lomatium utriculatum
2015 James Gonsman

Lonicera interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera interrupta
2018 David Greenberger
Lonicera interrupta
2019 Julie Kierstead Nelson
Lonicera interrupta
2009 BOB CASE

Lupinus albifrons var. albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons var. albifrons
2012 Michael Mitchell
Lupinus albifrons var. albifrons
2020 Richard Spjut
Lupinus albifrons var. albifrons
2020 Susan McDougall

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 hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

Lupinus hirsutissimus
2020 Bryant Baker
Lupinus hirsutissimus
2020 Bryant Baker
Lupinus hirsutissimus
2019 Ron Vanderhoff

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

FABACEAE

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

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
2016 Steve Matson
Lupinus nanus
2016 Steve Matson
Lupinus nanus
2016 Steve Matson

Lupinus 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

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

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

Malacothamnus jonesii    Jones's bushmallow
rare native
Shrub

MALVACEAE

Malacothamnus jonesii
2012 Terrence Gosliner
Malacothamnus jonesii
2017 Keir Morse
Malacothamnus jonesii
2017 Keir Morse

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

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

Mentzelia micrantha    Chaparral blazing star,  San Luis blazingstar,  San Luis stick leaf
native
Annual herb

LOASACEAE

Mentzelia micrantha
2019 Ron Vanderhoff
Mentzelia micrantha
2023 Keir Morse
Mentzelia micrantha
2019 Hailey Laskey

Micranthes californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

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

Mimetanthe pilosa    Snouted monkey flower
native
Annual herb

PHRYMACEAE

Mimetanthe pilosa
2017 Steve Matson
Mimetanthe pilosa
2019 Matt Berger
Mimetanthe pilosa
2017 Steve Matson

Monardella breweri ssp. breweri    Brewer's monardella
native
Annual herb

LAMIACEAE

Monardella breweri ssp. breweri
2012 Terrence Gosliner
Monardella breweri ssp. breweri
2019 Manzanita Dictionary

Mucronea perfoliata    Perfoliate spineflower
native
Annual herb

POLYGONACEAE

Mucronea perfoliata
2020 Matt Berger
Mucronea perfoliata
2019 Matt Berger
Mucronea perfoliata
2022 Ryan O'Dell

Muhlenbergia rigens    Deergrass
native
Perennial grass

POACEAE

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

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
2019 Patrick Furtado
Nasturtium officinale
2019 Diane Etchison
Nasturtium officinale
2012 Steve Matson

Navarretia atractyloides    Holly leaf navarretia,  Hollyleaf pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia atractyloides
2019 Diane Etchison
Navarretia atractyloides
2010 George Butterworth
Navarretia atractyloides
2019 Ken Hickman

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

Nemophila pedunculata    Littlefoot nemophila,  Meadow nemophila
native
Annual herb

HYDROPHYLLACEAE

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

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

Nicotiana quadrivalvis
2019 Michael Mitchell
Nicotiana quadrivalvis
2019 Michael Mitchell
Nicotiana quadrivalvis
2016 Lesley Hunt

Nuttallanthus texanus    Blue toadflax
native
Annual, Perennial herb

PLANTAGINACEAE

Nuttallanthus texanus
2017 Steve Matson
Nuttallanthus texanus
2017 Steve Matson
Nuttallanthus texanus
2017 Steve Matson

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

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

Papaver californicum    Fire poppy,  Western poppy
native
Annual herb

PAPAVERACEAE

Papaver californicum
2014 Ron Vanderhoff
Papaver californicum
2015 Ron Vanderhoff
Papaver californicum
2020 Bryant Baker

Papaver heterophyllum    Wind poppy
native
Annual herb

PAPAVERACEAE

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

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

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

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

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

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 douglasii var. douglasii    Douglas' phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia douglasii var. douglasii
2019 Michael Mitchell
Phacelia douglasii var. douglasii
2014 Michael Mitchell
Phacelia douglasii var. douglasii
2019 Michael Mitchell

Phacelia rattanii    Rattan's phacelia
native
Annual herb

HYDROPHYLLACEAE

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

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

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma membranaceum
2005 Steve Matson
Pholistoma membranaceum
2016 Steve Matson
Pholistoma membranaceum
2016 Steve Matson

Phoradendron leucarpum    American mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron leucarpum
2020 Bryant Baker
Phoradendron leucarpum
2020 Bryant Baker
Phoradendron leucarpum
2021 R.A. Chasey

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

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

PINACEAE

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

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

BORAGINACEAE

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

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

BORAGINACEAE

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

Plagiobothrys 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

Plagiobothrys uncinatus    Hooked popcorn flower,  Salinas valley popcornflower
rare native
Annual herb

BORAGINACEAE

Plagiobothrys uncinatus
2003 Keir Morse
Plagiobothrys uncinatus
2008 Keir Morse
Plagiobothrys uncinatus
2014 Jean Pawek

Plantago erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

Plantago erecta
2008 Steve Matson
Plantago erecta
2022 Steve Matson
Plantago erecta
2022 Steve Matson

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

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

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

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

Poa 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

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
2008 Steve Matson
Polypogon monspeliensis
2014 Steve Matson
Polypogon monspeliensis
2008 Steve Matson

Populus fremontii ssp. fremontii    Fremont cottonwood
native
Tree

SALICACEAE

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

Primula clevelandi [Dodecatheon clevelandii]    Small Tree-Mallow


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

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

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

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2016 Steve Matson
Pterostegia drymarioides
2016 Steve Matson
Pterostegia drymarioides
2005 Steve Matson

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

FAGACEAE

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

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2023 Ryan O'Dell
Quercus douglasii
2018 Gary McDonald
Quercus douglasii
2020 Charles Russell

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

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

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

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

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

RANUNCULACEAE

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

Raphanus raphanistrum    Jointed charlock,  Painted charlock,  Wild radish
non-native
Annual, Perennial herb

BRASSICACEAE

Raphanus raphanistrum
2018 Angelique Herman
Raphanus raphanistrum
2016 Camille Nowell
Raphanus raphanistrum
2018 Angelique Herman

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

Ribes malvaceum var. indecorum    White flowering currant,  Whiteflower currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. indecorum
2020 Diane Etchison
Ribes malvaceum var. indecorum
2020 Diane Etchison
Ribes malvaceum var. indecorum
2020 Diane Etchison

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

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2022 Suzanne L. Weakley
Rosa californica
2020 R.A. Chasey

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

POLYGONACEAE

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

Rumex kerneri    Kerner's dock
non-native
Perennial herb

POLYGONACEAE

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

Sabulina douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

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

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. hindsiana
2022 Robbie Lee
Salix exigua var. hindsiana
2017 Dee Shea Himes
Salix exigua var. hindsiana
02/22/2022 John Rawlings

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2017 Steve Matson
Salix laevigata
2019 Barbara Brydolf
Salix laevigata
2022 Mark Gary

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

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 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

Schismus arabicus    Arabian schismus,  Mediterranean grass
invasive non-native
Annual grass

POACEAE

Schismus arabicus
2020 Ron Vanderhoff
Schismus arabicus
2017 James Bailey
Schismus arabicus
2022 Katherine Stratton

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

ASTERACEAE

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

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

ASTERACEAE

Senecio vulgaris
2017 Barbara Boethling
Senecio vulgaris
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 antirrhina    Sleepy catch fly,  Sleepy catchfly,  Sleepy silene
native
Annual herb

CARYOPHYLLACEAE

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

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

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

Stachys albens    Cobwebby hedge nettle,  White hedge nettle,  Whitestem hedgenettle
native
Perennial herb

LAMIACEAE

Stachys albens
2013 Steve Matson
Stachys albens
2013 Steve Matson
Stachys albens
2013 Steve Matson

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stellaria pallida    Pale starwort
non-native
Annual herb

CARYOPHYLLACEAE

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

Stephanomeria exigua ssp. coronaria    Milk aster,  White plume wirelettuce,  Whiteplume wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria exigua ssp. coronaria
2014 Bill Thiessen
Stephanomeria exigua ssp. coronaria
2013 Robert Sikora
Stephanomeria exigua ssp. coronaria
2015 Zoya Akulova

Stipa cernua    Nodding needle grass
native
Perennial grass

POACEAE

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

native
Annual herb

BRASSICACEAE

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

Streptanthus lasiophyllus    Small Tree-Mallow


Stylocline gnaphaloides    Everlasting nest straw,  Everlasting stylocline,  Mountain neststraw
native
Annual herb

ASTERACEAE

Stylocline gnaphaloides
2019 Diane Etchison
Stylocline gnaphaloides
2021 Ron Vanderhoff
Stylocline gnaphaloides
2021 Ron Vanderhoff

native
Annual herb

BRASSICACEAE

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

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

BRASSICACEAE

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

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

APIACEAE

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

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2020 Ron Vanderhoff
Toxicodendron diversilobum
2019 Randy Huey
Toxicodendron diversilobum
2021 Bryant Baker

native
Perennial herb

MELANTHIACEAE

Toxicoscordion venenosum var. venenosum
2016 Steve Matson
Toxicoscordion venenosum var. venenosum
2016 Steve Matson
Toxicoscordion venenosum var. venenosum
2016 Steve Matson

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

Trichostema lanatum
2017 Steve Matson
Trichostema lanatum
2017 Steve Matson
Trichostema lanatum
2017 Steve Matson

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

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

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

FABACEAE

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

Trifolium obtusiflorum    Clammy clover,  Creek clover
native
Annual herb

FABACEAE

Trifolium obtusiflorum
2019 Ron Vanderhoff
Trifolium obtusiflorum
2019 Ron Vanderhoff
Trifolium obtusiflorum
2019 Ron Vanderhoff

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

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

BRASSICACEAE

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

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

FABACEAE

Vicia villosa ssp. varia
2006 Steve Matson

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

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

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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