logo Calflora  Illustrated Plant List 
Sweet Springs Nature Preserve
Sweet Springs Nature Preserve, Los Osos, San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-08)

Record Detail Nearby Surveys What Grows Here?
157 PLANTS
Abronia umbellata var. umbellata    Beach sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia umbellata var. umbellata
2014 Steve Matson
Abronia umbellata var. umbellata
2014 Steve Matson
Abronia umbellata var. umbellata
2014 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

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2020 Ron Vanderhoff

Agrostis gigantea    Creeping bentgras,  Giant bentgrass,  Redtop
non-native
Perennial grass

POACEAE

Agrostis gigantea
2023 Dana York
Agrostis gigantea
2023 Dana York
Agrostis gigantea
2022 John Rawlings

Amsinckia spectabilis var. microcarpa    Small fruit seaside fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie
Amsinckia spectabilis var. microcarpa
1997 Christopher L. Christie

Anemopsis californica    Yerba mansa
native
Perennial herb

SAURURACEAE

Anemopsis californica
2022 Steve Matson
Anemopsis californica
2022 Steve Matson
Anemopsis californica
2022 Steve Matson

Arctostaphylos morroensis    Morro manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2020 David Greenberger

Arenaria paludicola    Marsh sandwort
rare native
Perennial herb

CARYOPHYLLACEAE

Arenaria paludicola
2011 CNPS, San Luis Obispo Chapter
Arenaria paludicola
2013 Anuja Parikh and Nathan Gale
Arenaria paludicola
2012 Chris Winchell

Artemisia californica    California sagebrush,  Coast sagebrush,  Coastal sage brush
native
Shrub

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2019 Aaron Echols
Artemisia californica
2018 Ron Vanderhoff

Arthrocnemum subterminale    Parish's glasswort
native
Perennial herb

CHENOPODIACEAE

Arthrocnemum subterminale
2020 Sandy Leatherman
Arthrocnemum subterminale
2021 Denise Defreese
Arthrocnemum subterminale
2020 Ron Vanderhoff

Atriplex prostrata    Fat-hen
non-native
Annual herb

CHENOPODIACEAE

Atriplex prostrata
2015 Alice Cummings
Atriplex prostrata
2023 Ron Vanderhoff
Atriplex prostrata
2018 Ron Vanderhoff

Atriplex watsonii    Matscale,  Watson's saltbush
native
Perennial herb

CHENOPODIACEAE

Atriplex watsonii
2020 Ron Vanderhoff
Atriplex watsonii
2020 Ron Vanderhoff
Atriplex watsonii
2016 Keir Morse

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
2020 Patrick Furtado
Baccharis glutinosa
2019 Julian Geoghegan
Baccharis glutinosa
2020 Rebecca Schoenenberger

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

Blitum californicum    Small Tree-Mallow


Brassica tournefortii    Saharan mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica tournefortii
2023 Julia Markey
Brassica tournefortii
2018 Jeffrey Black
Brassica tournefortii
2021 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

non-native
Annual, Perennial grass

POACEAE

Bromus catharticus var. catharticus
2019 John Rawlings
Bromus catharticus var. catharticus
2023 Jacob Smith
Bromus catharticus var. catharticus
2023 Jacob Smith

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

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

native
Annual, Perennial herb

ONAGRACEAE

Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2016 Steve Matson
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2016 Steve Matson
Camissoniopsis cheiranthifolia ssp. cheiranthifolia
2006 Steve Matson

Camissoniopsis micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

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

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

BRASSICACEAE

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

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2008 Steve Matson

Cardionema ramosissimum    Sand mat,  Sandcarpet
native
Perennial herb

CARYOPHYLLACEAE

Cardionema ramosissimum
2023 Ron Vanderhoff
Cardionema ramosissimum
2015 Michael Mitchell
Cardionema ramosissimum
2019 John Rawlings

Carex praegracilis    Clustered field sedge,  Field sedge
native
Perennial grasslike herb

CYPERACEAE

Carex praegracilis
2020 Ken Hickman
Carex praegracilis
2020 John Rawlings
Carex praegracilis
2020 Steve Matson

Carpobrotus edulis    Hottentot fig,  Iceplant,  Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus edulis
2021 Michelle Karle
Carpobrotus edulis
2017 Lisa Miller
Carpobrotus edulis
2018 Cynthia Powell

Ceanothus cuneatus var. fascicularis    Sand buck brush,  Sedgeleaf buckbrush
rare native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. fascicularis
2020 David Greenberger
Ceanothus cuneatus var. fascicularis
2012 Neal Kramer
Ceanothus cuneatus var. fascicularis
2022 Cynthia Powell

Cenchrus clandestinus    Kikuyu grass,  Kikuyugrass
invasive non-native
Perennial grass

POACEAE

Cenchrus clandestinus
2020 Ron Vanderhoff
Cenchrus clandestinus
2020 Ron Vanderhoff
Cenchrus clandestinus
2017 Josh Nuzzo

Chenopodiastrum murale    Small Tree-Mallow


Chloropyron maritimum ssp. maritimum    Salt marsh bird's-beak
rare native
Annual herb

OROBANCHACEAE

Chloropyron maritimum ssp. maritimum
2018 Ron Vanderhoff
Chloropyron maritimum ssp. maritimum
2020 Ron Vanderhoff
Chloropyron maritimum ssp. maritimum
2019 Bonnie Nickel

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2017 James Bailey
Cirsium vulgare
2020 Bob Sweatt
Cirsium vulgare
2020 Bob Sweatt

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

MONTIACEAE

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

Claytonia perfoliata ssp. mexicana    Southern miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. mexicana
2021 John Rawlings
Claytonia perfoliata ssp. mexicana
2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
2014 Susan McDougall

Conicosia pugioniformis    False ice plant,  Narrow leaved iceplant
invasive non-native
Perennial herb

AIZOACEAE

Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler

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

Cotula australis    Australian brass buttons,  Australian cotula,  Australian waterbuttons
non-native
Annual herb

ASTERACEAE

Cotula australis
2023 Mike Russler
Cotula australis
2022 Ron Vanderhoff
Cotula australis
2023 Mike Russler

Cotula coronopifolia    Brass buttons,  Common brassbuttons
invasive non-native
Perennial herb

ASTERACEAE

Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2022 Steve Matson
Cotula coronopifolia
2018 Adam Chasey

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 californicus    California croton,  Desert croton
native
Perennial herb

EUPHORBIACEAE

Croton californicus
2022 Dianne Lake
Croton californicus
2022 Aaron Echols
Croton californicus
2022 Aaron Echols

Cyperus niger    Black cyperus,  Black flatsedge,  Brown cyperus
native
Perennial grasslike herb

CYPERACEAE

Cyperus niger
2020 Ron Vanderhoff
Cyperus niger
2021 Ron Vanderhoff
Cyperus niger
2021 Ron Vanderhoff

Descurainia pinnata ssp. brachycarpa    Western tansymustard
native
Annual herb

BRASSICACEAE

Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr
Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr
Descurainia pinnata ssp. brachycarpa
2011 Gerald D. Carr

Dimorphotheca ecklonis    Blue & white daisybush
non-native
Perennial herb

ASTERACEAE

Dimorphotheca ecklonis
2019 Dean Taylor
Dimorphotheca ecklonis
2018 David Wolfson
Dimorphotheca ecklonis
2020 Nathan Taxel

Diplacus aurantiacus var. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

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

Dudleya caespitosa    Coast dudleya,  Sand lettuce
native
Perennial herb

CRASSULACEAE

Dudleya caespitosa
2022 Mary Conway
Dudleya caespitosa
2022 Mary Conway
Dudleya caespitosa
2022 Cynthia Powell

Ehrharta calycina    Perennial veldt grass,  Perennial veldtgrass
invasive non-native
Perennial grass

POACEAE

Ehrharta calycina
2020 David Greenberger
Ehrharta calycina
2019 Ron Vanderhoff
Ehrharta calycina
2018 Ron Vanderhoff

Ehrharta erecta    Panic veldtgrass,  Upright veldt grass
invasive non-native
Perennial grass

POACEAE

Ehrharta erecta
2023 Rachel Suding
Ehrharta erecta
2020 Ron Vanderhoff
Ehrharta erecta
2020 Ron Vanderhoff

Eichhornia crassipes    Common water hyacinth
invasive non-native
Perennial herb

PONTEDERIACEAE

Eichhornia crassipes
2015 Judy and Barry Breckling
Eichhornia crassipes
2018 Rachelle Gray
Eichhornia crassipes
2020 Ron Vanderhoff

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2020 Ron Vanderhoff
Elymus condensatus
2022 John Rawlings
Elymus condensatus
2020 Diane Etchison

Elymus pacificus    Pacific wild rye
native
Perennial grass

POACEAE

Elymus pacificus
2010 Toni Corelli
Elymus pacificus
2014 Eric Wrubel
Elymus pacificus
2010 Robert Steers/NPS

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
2018 Ron Vanderhoff
Elymus triticoides
2021 Ron Vanderhoff
Elymus triticoides
2018 Rachelle Gray

Ericameria ericoides    California goldenbush,  Mock heather
native
Shrub

ASTERACEAE

Ericameria ericoides
2021 Mike Russler
Ericameria ericoides
2021 Suzanne L. Weakley
Ericameria ericoides
2021 Mike Russler

Erigeron blochmaniae    Blochman's erigeron,  Blochman's leafy daisy
rare native
Perennial herb (rhizomatous)

ASTERACEAE

Erigeron blochmaniae
2003 Christopher L. Christie
Erigeron blochmaniae
2010 Chris Winchell

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

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2023 Toni Corelli
Erigeron glaucus
2019 James Gonsman
Erigeron glaucus
2018 Asa B Spade

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

POLYGONACEAE

Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff
Eriogonum fasciculatum var. fasciculatum
2019 Ron Vanderhoff

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

ASTERACEAE

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

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
2020 Susan McDougall
Eriophyllum staechadifolium
2014 James Gonsman
Eriophyllum staechadifolium
2019 Mary Conway

Erodium botrys    Big heron bill,  Broad leaf filaree,  Long beaked filaree
non-native
Annual herb

GERANIACEAE

Erodium botrys
2006 Steve Matson
Erodium botrys
2006 Steve Matson
Erodium botrys
2006 Steve Matson

Erodium cicutarium    Coastal heron's bill,  Red stemmed filaree,  Redstem stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium cicutarium
2022 Steve Matson
Erodium cicutarium
2008 Steve Matson
Erodium cicutarium
2022 Steve Matson

Erodium moschatum    Musky stork's bill,  White stemmed filaree,  Whitestem filaree
invasive non-native
Annual herb

GERANIACEAE

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

Erysimum suffrutescens    Suffrutescent wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum suffrutescens
2020 David Greenberger
Erysimum suffrutescens
2013 Debra L. Cook
Erysimum suffrutescens
2014 Neal Kramer

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

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

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

MYRTACEAE

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

Extriplex joaquinana    San Joaquin spearscale
rare native
Annual herb

CHENOPODIACEAE

Extriplex joaquinana
2021 Suzanne L. Weakley
Extriplex joaquinana
2022 Charles Russell
Extriplex joaquinana
2017 Marco Siragusa

Festuca arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
2022 Cynthia Powell
Festuca arundinacea
2020 Robert Steers
Festuca arundinacea
2017 MCOSD EDRR

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

Festuca bromoides
2022 Diana Wahl
Festuca bromoides
2021 Toni Corelli
Festuca bromoides
2021 David popp

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
2021 Aaron Echols
Festuca myuros
2021 Ron Vanderhoff
Festuca myuros
2022 John Rawlings

Festuca perennis    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Festuca perennis
2019 Ron Vanderhoff
Festuca perennis
2017 Gary McDonald
Festuca perennis
2021 Ron Vanderhoff

Festuca temulenta    Darnel, tares
non-native
Annual grass

POACEAE

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

Frankenia salina    Alkali heath,  Alkali seaheath,  Yerba reuma, alkali heath
native
Perennial herb

FRANKENIACEAE

Frankenia salina
2019 Patrick Furtado
Frankenia salina
2021 Cynthia Powell
Frankenia salina
2020 Ron Vanderhoff

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 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

Galium trifidum ssp. columbianum    Threepetal bedstraw
native
Perennial herb

RUBIACEAE

Galium trifidum ssp. columbianum
2005 Steve Matson
Galium trifidum ssp. columbianum
2005 Steve Matson
Galium trifidum ssp. columbianum
2005 Steve Matson

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
2021 Al Keuter
Geranium dissectum
2023 Ron Vanderhoff
Geranium dissectum
2014 Bryan Derr

Geranium rotundifolium    Round leaved geranium,  Roundleaf geranium
non-native
Annual herb

GERANIACEAE

Geranium rotundifolium
2017 James Bailey
Geranium rotundifolium
2009 Dean Wm. Taylor
Geranium rotundifolium
2017 James Bailey

Helminthotheca echioides    Bristly ox-tongue
invasive non-native
Annual, Perennial herb

ASTERACEAE

Helminthotheca echioides
2016 Hayley Ross
Helminthotheca echioides
2019 Rachelle Gray
Helminthotheca echioides
2012 Elizabeth Brusati

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Hesperocyparis macrocarpa
2019 Patrick Furtado
Hesperocyparis macrocarpa
2019 Susan McDougall
Hesperocyparis macrocarpa
2019 Cynthia Powell

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

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

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

BRASSICACEAE

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

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

POACEAE

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

Hordeum depressum    Alkali barley,  Dwarf barley,  Low barley
native
Annual grass

POACEAE

Hordeum depressum
2017 Steve Matson
Hordeum depressum
2017 Steve Matson
Hordeum depressum
2024 Denise Defreese

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

Hydrocotyle ranunculoides    Floating marsh pennywort,  Floating marshpennywort,  Marsh pennywort
native
Perennial herb

ARALIACEAE

Hydrocotyle ranunculoides
2019 R.A. Chasey
Hydrocotyle ranunculoides
2023 R.A. Chasey
Hydrocotyle ranunculoides
2017 Michael Mitchell

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

Isocoma menziesii var. vernonioides    Coastal goldenbush,  Green leaved dune goldenbush,  Menzies' goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii var. vernonioides
2014 Steve Matson
Isocoma menziesii var. vernonioides
2014 Steve Matson
Isocoma menziesii var. vernonioides
2014 Steve Matson

Isolepis cernua    Low bulrush
native
Annual grasslike herb

CYPERACEAE

Isolepis cernua
2021 R.A. Chasey
Isolepis cernua
2023 R.A. Chasey
Isolepis cernua
2018 Ron Vanderhoff

Jaumea carnosa    Fleshy jaumea,  Marsh jaumea
native
Perennial herb

ASTERACEAE

Jaumea carnosa
2020 Ron Vanderhoff
Jaumea carnosa
2018 Angelique Herman
Jaumea carnosa
2020 R.A. Chasey

Juncus acutus ssp. leopoldii    Leopold's rush,  Southwestern spiny rush,  Wire grass
rare native
Perennial grasslike herb (rhizomatous)

JUNCACEAE

Juncus acutus ssp. leopoldii
2018 Ron Vanderhoff
Juncus acutus ssp. leopoldii
2019 Susan McDougall
Juncus acutus ssp. leopoldii
2021 Ron Vanderhoff

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus
2009 Toni Corelli
Juncus effusus ssp. pacificus
2021 R.A. Chasey
Juncus effusus ssp. pacificus
2021 John Rawlings

Juncus lescurii    Dune rush
native
Perennial grasslike herb

JUNCACEAE

Juncus lescurii
2008 Toni Corelli
Juncus lescurii
2008 Toni Corelli
Juncus lescurii
2008 Toni Corelli

Lasthenia glabrata ssp. coulteri    Coulter goldfields,  Coulter's goldfields,  Goldfields
rare native
Annual herb

ASTERACEAE

Lasthenia glabrata ssp. coulteri
2023 Ron Vanderhoff
Lasthenia glabrata ssp. coulteri
2023 Ron Vanderhoff
Lasthenia glabrata ssp. coulteri
2023 Ron Vanderhoff

Lemna minor    Smaller duckweed
native
Perennial herb

ARACEAE

Lemna minor
2019 Ron Vanderhoff
Lemna minor
2019 Ron Vanderhoff
Lemna minor
2022 R.A. Chasey

Leptosyne gigantea    Giant coreopsis
native
Shrub

ASTERACEAE

Leptosyne gigantea
2020 David Greenberger
Leptosyne gigantea
2017 David Wolfson
Leptosyne gigantea
2006 Steve Matson

Limonium californicum    California sealavender,  Marsh rosemary,  Sea lavender
native
Perennial herb

PLUMBAGINACEAE

Limonium californicum
2018 Saskia Raether
Limonium californicum
2010 Jorg Fleige & Mimi Fleige
Limonium californicum
2017 MCOSD EDRR

Lobularia maritima    Sweet alyssum
invasive non-native
Perennial herb

BRASSICACEAE

Lobularia maritima
2016 Michael Mitchell
Lobularia maritima
2016 Michael Mitchell
Lobularia maritima
2019 Patrick Furtado

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2022 Suzanne L. Weakley
Lonicera hispidula
2021 Cara Wilcox
Lonicera hispidula
2018 Diana Wahl

Lupinus arboreus    Coastal bush lupine,  Yellow bush lupine
native
Shrub

FABACEAE

Lupinus arboreus
2019 Patrick Furtado
Lupinus arboreus
2014 Steve Matson
Lupinus arboreus
2020 Steve Matson

Lupinus chamissonis    Beach blue lupine,  Chamisso bush lupine,  Dune bush lupine
native
Shrub

FABACEAE

Lupinus chamissonis
2020 Susan McDougall
Lupinus chamissonis
2022 Mike Russler
Lupinus chamissonis
2021 Cara Wilcox

Lupinus succulentus    Arroyo lupine,  Hollowleaf annual lupine,  Succulent lupine
native
Annual herb

FABACEAE

Lupinus succulentus
2023 Andy Ford
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny

Lysimachia arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Lysimachia arvensis
2017 B.J. Dion
Lysimachia arvensis
2022 Chris McDonald
Lysimachia arvensis
2023 Ron Vanderhoff

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

non-native
Annual, Biennial herb

MALVACEAE

Malva pseudolavatera
2021 Ron Vanderhoff
Malva pseudolavatera
2021 Ron Vanderhoff
Malva pseudolavatera
2021 Ron Vanderhoff

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

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

Morella californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Morella californica
2019 Michelle Karle
Morella californica
2020 Kim Cabera
Morella californica
2020 Susan McDougall

Myoporum laetum    Lollypop tree,  Ngaio tree
invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Myoporum laetum
2018 Ron Vanderhoff
Myoporum laetum
2017 James Bailey
Myoporum laetum
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

Oenanthe sarmentosa    Pacific oenanthe,  Water parsley
native
Perennial herb

APIACEAE

Oenanthe sarmentosa
2021 Don Hollander
Oenanthe sarmentosa
2021 Ron Vanderhoff
Oenanthe sarmentosa
2021 Rosaleen

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

OXALIDACEAE

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

Parapholis incurva    Curved sicklegrass,  Sickle grass
non-native
Annual grass

POACEAE

Parapholis incurva
2022 R.A. Chasey
Parapholis incurva
2021 Cynthia Powell
Parapholis incurva
2022 Ron Vanderhoff

Persicaria punctata    Dotted smartweed
native
Perennial herb

POLYGONACEAE

Persicaria punctata
2018 Ron Vanderhoff
Persicaria punctata
2018 Ron Vanderhoff
Persicaria punctata
2022 Helen Hancock

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 ramosissima    Branching phacelia
native
Perennial herb

HYDROPHYLLACEAE

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

Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
2011 Toni Corelli
Pinus radiata
2012 Michael Mitchell
Pinus radiata
2012 Michael Mitchell

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2019 Joe Engelbrecht
Plantago lanceolata
2021 Ken Lunders

Plantago subnuda    Mexican plantain,  Naked plantain,  Tall coastal plantain
native
Perennial herb

PLANTAGINACEAE

Plantago subnuda
2019 Patrick Furtado
Plantago subnuda
2022 Dianne Lake
Plantago subnuda
2009 Toni Corelli

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
2021 Ron Vanderhoff
Poa annua
2022 John Rawlings
Poa annua
2015 Richard Chasey

Potentilla anserina ssp. pacifica    Pacific potentilla,  Silverweed
native
Perennial herb

ROSACEAE

Potentilla anserina ssp. pacifica
2022 R.A. Chasey
Potentilla anserina ssp. pacifica
2021 Charles Russell
Potentilla anserina ssp. pacifica
2022 R.A. Chasey

Pseudognaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Pseudognaphalium ramosissimum
2021 R.A. Chasey
Pseudognaphalium ramosissimum
2021 R.A. Chasey
Pseudognaphalium ramosissimum
2017 Gary McDonald

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

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

BRASSICACEAE

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

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

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
2018 Ken Lunders
Rubus ursinus
2019 Ron Vanderhoff
Rubus ursinus
2015 Kelli Kallenborn

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
2020 Ron Vanderhoff
Rumex conglomeratus
2023 Ron Vanderhoff
Rumex conglomeratus
2023 Ron Vanderhoff

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

POLYGONACEAE

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

Salicornia pacifica    Glasswort,  Pacific swampfire,  Pickleweed
native
Perennial herb

CHENOPODIACEAE

Salicornia pacifica
2020 Ron Vanderhoff
Salicornia pacifica
2020 Ron Vanderhoff
Salicornia pacifica
2018 Ron Vanderhoff

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Salvia spathacea    Hummingbird sage
native
Perennial herb

LAMIACEAE

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

Schoenoplectus americanus    Chairmaker's bulrush
native
Perennial grasslike herb

CYPERACEAE

Schoenoplectus americanus
2021 Ron Vanderhoff
Schoenoplectus americanus
2016 Joan Hampton
Schoenoplectus americanus
2020 Ron Vanderhoff

Scirpus microcarpus    Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
2022 Doug Allshouse
Scirpus microcarpus
2008 Steve Matson
Scirpus microcarpus
2013 Ron Vanderhoff

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
2021 Ann Garside
Sisymbrium officinale
2022 Julian Geoghegan
Sisymbrium officinale
2021 Ron Vanderhoff

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

Soleirolia soleirolii    Baby's tears,  Mother of thousands
non-native
Annual herb

URTICACEAE

Soleirolia soleirolii
2020 Ron Vanderhoff
Soleirolia soleirolii
2021 Donald Burk
Soleirolia soleirolii
2020 Ron Vanderhoff

Solidago confinis    Southern goldenrod
native
Perennial herb

ASTERACEAE

Solidago confinis
2022 Ryan O'Dell
Solidago confinis
2003 Christopher L. Christie
Solidago confinis
2014 Neal Kramer

Spergula arvensis    Corn spurry
non-native
Annual herb

CARYOPHYLLACEAE

Spergula arvensis
2019 Diane Etchison
Spergula arvensis
2020 Mary Conway
Spergula arvensis
2022 Cynthia Powell

Spergularia macrotheca var. macrotheca    Sand spurrey,  Sticky sand spurry,  Sticky sandspurry
native
Perennial herb

CARYOPHYLLACEAE

Spergularia macrotheca var. macrotheca
2008 Steve Matson

Stachys chamissonis    Coast hedge nettle,  Coastal hedgenettle
native
Perennial herb

LAMIACEAE

Stachys chamissonis
2021 David Wolfson
Stachys chamissonis
2021 Toni Corelli
Stachys chamissonis
2013 James Gonsman

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stephanomeria elata    Annual mitra,  Santa barbara stephanomeria,  Santa barbara wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria elata
2019 David Greenberger
Stephanomeria elata
2018 Julian Geoghegan
Stephanomeria elata
2021 Helen Hancock

Stephanomeria virgata ssp. pleurocarpa    Tall stephanomeria,  Wand stephanomeria,  Wand wirelettuce
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. pleurocarpa
2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
2021 Helen Hancock
Stephanomeria virgata ssp. pleurocarpa
2018 Richard Spjut

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
2017 Gary McDonald
Stipa lepida
2023 Ron Vanderhoff
Stipa lepida
2017 Gary McDonald

Suaeda californica    California seablite
rare native
Shrub

CHENOPODIACEAE

Suaeda californica
2022 Cynthia Powell
Suaeda californica
2020 R.A. Chasey
Suaeda californica
2020 R.A. Chasey

Tetragonia tetragonoides    New zealand spinach
non-native
Annual herb

AIZOACEAE

Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2021 Michelle Karle
Tetragonia tetragonoides
2023 R.A. Chasey

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

ANACARDIACEAE

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

Trifolium 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 wormskioldii    Coast clover,  Cow clover,  Cows clover
native
Perennial herb

FABACEAE

Trifolium wormskioldii
2003 Steve Matson
Trifolium wormskioldii
2003 Steve Matson
Trifolium wormskioldii
2003 Steve Matson

native
Perennial herb (aquatic)

JUNCAGINACEAE

Triglochin concinna var. concinna
2021 Ken-ichi Ueda
Triglochin concinna var. concinna
2021 Ken-ichi Ueda
Triglochin concinna var. concinna
2021 Ken-ichi Ueda

Tropaeolum majus    Garden nasturtium,  Nasturtium
invasive non-native
Annual herb, Vine

TROPAEOLACEAE

Tropaeolum majus
2021 Julie A. Kierstead
Tropaeolum majus
2024 Mike Russler
Tropaeolum majus
2022 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

Veronica americana    American brooklime,  American speedwell,  Brooklime
native
Perennial herb

PLANTAGINACEAE

Veronica americana
2016 Steve Matson
Veronica americana
2016 Steve Matson
Veronica americana
2016 Steve Matson

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

Vicia gigantea
2021 Dana York
Vicia gigantea
2019 Cynthia Powell
Vicia gigantea
2013 James Gonsman

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
2020 Julia Markey
Vinca major
2022 Ron Vanderhoff
Vinca major
2021 Ron Vanderhoff

Zostera marina    Eel grass,  Eelgrass,  Seawrack
native
Perennial herb

ZOSTERACEAE

Zostera marina
2021 Michelle Karle
Zostera marina
2021 Ron Vanderhoff
Zostera marina
2013 Ron Vanderhoff