logo Calflora Illustrated Plant List 

Griffith Park
Los Angeles County

Dan Cooper, Rick Fisher,  / Dan Cooper  (2007-10-01)

Record Detail Nearby Surveys What Grows Here?
374 PLANTS
Acacia dealbata    Silver wattle
invasive non-native
Tree, Shrub

FABACEAE

Acacia dealbata
2020 Randy Huey
Acacia dealbata
2022 Erin Jackson
Acacia dealbata
2019 Randy Huey

Acer macrophyllum    Big leaf maple,  Bigleaf maple
native
Tree

SAPINDACEAE

Acer macrophyllum
2020 Diane Etchison
Acer macrophyllum
2018 Ron Vanderhoff
Acer macrophyllum
2018 Julie Kierstead Nelson

Acer negundo    Boxelder
native
Tree

SAPINDACEAE

Acer negundo
2019 Robert Sweet
Acer negundo
2015 Susan McDougall
Acer negundo
2015 Susan McDougall

native
Perennial herb

ASTERACEAE

Achillea millefolium var. californica
2022 Andy Ford
Achillea millefolium var. californica
2014 James Gonsman
Achillea millefolium var. californica
2018 Gary McDonald

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

Acourtia microcephala
2022 Diane Etchison
Acourtia microcephala
2019 Ron Vanderhoff
Acourtia microcephala
2014 Diane Etchison

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
2021 Ron Vanderhoff
Adenostoma fasciculatum
2015 Karen Swift
Adenostoma fasciculatum
2014 Garth Wadsworth

Adiantum capillus-veneris    Venus hair
native
Fern

PTERIDACEAE

Adiantum capillus-veneris
2020 Ron Vanderhoff
Adiantum capillus-veneris
2020 Ron Vanderhoff
Adiantum capillus-veneris
2020 Ron Vanderhoff

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
2022 BOB CASE
Adiantum jordanii
2019 Ron Vanderhoff
Adiantum jordanii
2019 Susan McDougall

Agave americana    American century plant
non-native
Perennial herb, Shrub

AGAVACEAE

Agave americana
2021 Ron Vanderhoff
Agave americana
2014 Zoya Akulova
Agave americana
2021 Ron Vanderhoff

Ageratina adenophora    Sticky snakeroot,  Thoroughwort
invasive non-native
Perennial herb

ASTERACEAE

Ageratina adenophora
2019 Ron Vanderhoff
Ageratina adenophora
2017 Keir Morse
Ageratina adenophora
2021 Heather Brady DeQuincy

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
2022 Teal Derrer
Agrostis exarata
2021 David popp
Agrostis exarata
2022 John Rawlings

Agrostis pallens    Leafy bent grass,  Seashore bentgrass,  Thingrass
native
Perennial grass

POACEAE

Agrostis pallens
2021 John Rawlings
Agrostis pallens
2008 Keir Morse
Agrostis pallens
2021 John Rawlings

Agrostis viridis    Water beard grass
non-native
Perennial grass

POACEAE

Agrostis viridis
2022 Ron Vanderhoff
Agrostis viridis
2021 Ron Vanderhoff
Agrostis viridis
2019 Friends of Five Creeks volunteers

Ailanthus altissima    Ailanthus,  Tree of heaven
invasive non-native
Tree

SIMAROUBACEAE

Ailanthus altissima
2022 Jenny Gossett
Ailanthus altissima
2022 Jenny Gossett
Ailanthus altissima
2020 Julie A. Kierstead

Allium haematochiton    Red skinned onion,  Redskin onion
native
Perennial herb (bulb)

ALLIACEAE

Allium haematochiton
2018 Ron Vanderhoff
Allium haematochiton
2020 Diane Etchison
Allium haematochiton
2020 Diane Etchison

Allium peninsulare    Mexicali onion
native
Perennial herb (bulb)

ALLIACEAE

Allium peninsulare
2022 Rhonda Allen
Allium peninsulare
2019 Diane Etchison
Allium peninsulare
2019 Diane Etchison

Amaranthus blitoides    Mat amaranth,  Prostrate amaranth,  Prostrate pigweed
native
Annual herb

AMARANTHACEAE

Amaranthus blitoides
2020 Ron Vanderhoff
Amaranthus blitoides
2020 Ron Vanderhoff
Amaranthus blitoides
2019 Camille Nowell

Ambrosia psilostachya    Ragweed,  Western ragweed
native
Perennial herb

ASTERACEAE

Ambrosia psilostachya
2021 Donald Burk
Ambrosia psilostachya
2011 Aaron Arthur
Ambrosia psilostachya
2022 Ron Vanderhoff

Amorpha californica    California false indigo,  False indigo,  Mock locust
native
Shrub

FABACEAE

Amorpha californica
2019 Ron Vanderhoff
Amorpha californica
2022 Suzanne L. Weakley
Amorpha californica
2018 Jennifer Poore

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
2020 Matt Berger
Amsinckia menziesii var. intermedia
1982 Geoff Burleigh
Amsinckia menziesii var. intermedia
2019 Ron Vanderhoff

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

BORAGINACEAE

Amsinckia menziesii var. menziesii
2020 Ron Vanderhoff
Amsinckia menziesii var. menziesii
2018 Gary McDonald
Amsinckia menziesii var. 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
2003 Michael Charters

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

PLANTAGINACEAE

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

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

Arabis sparsiflora var. californica    California rockcress
native
Perennial herb

BRASSICACEAE

Arabis sparsiflora var. californica
2022 Emily Sluiman
Arabis sparsiflora var. californica
2019 Diane Etchison
Arabis sparsiflora var. californica
2019 Diane Etchison

Arctostaphylos glandulosa ssp. mollis    Eastwood's manzanita,  Transverse range manzanita
native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. mollis
2021 Mike Russler
Arctostaphylos glandulosa ssp. mollis
2021 Mike Russler
Arctostaphylos glandulosa ssp. mollis
2021 Mike Russler

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

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2019 Diane Etchison
Artemisia californica
2020 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2021 Mike Russler
Artemisia douglasiana
2013 Brent Morgan
Artemisia douglasiana
2017 Alison Sheehey

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

ASTERACEAE

Artemisia dracunculus
2013 BOB CASE
Artemisia dracunculus
2019 Ron Vanderhoff
Artemisia dracunculus
2021 Helen Hancock

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2020 Jennifer Mo
Arundo donax
2018 michelle peruzzi

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
2018 Ron Vanderhoff
Asclepias fascicularis
2014 Steve Matson
Asclepias fascicularis
2019 Ron Vanderhoff

Aspidotis californica    California lace fern,  California lacefern
native
Fern

PTERIDACEAE

Aspidotis californica
2016 Barbara Boethling
Aspidotis californica
2018 Hunter Breck
Aspidotis californica
2003 Michael Charters

native
Shrub

CHENOPODIACEAE

Atriplex lentiformis ssp. lentiformis
2019 Diane Etchison
Atriplex lentiformis ssp. lentiformis
2020 R.A. Chasey
Atriplex lentiformis ssp. lentiformis
2017 Ron Vanderhoff

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

POACEAE

Avena barbata
2018 Julian Geoghegan
Avena barbata
2019 Ron Vanderhoff
Avena barbata
2019 Ron Vanderhoff

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

POACEAE

Avena fatua
2022 John Rawlings
Avena fatua
2022 John Rawlings
Avena fatua
2002 James B. Gratiot

Baccharis douglasii    Mule fat
native
Shrub

ASTERACEAE

Baccharis douglasii
2021 Mike Russler
Baccharis douglasii
2013 Keir Morse
Baccharis douglasii
2013 Keir Morse

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2022 Terry Beers
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
2017 Angelique Herman
Baccharis salicifolia
2018 Ron Vanderhoff
Baccharis salicifolia
2020 Aaron Echols

Berberis nevinii    Nevin's barberry
rare native
Shrub

BERBERIDACEAE

Berberis nevinii
2021 Mary Wloch
Berberis nevinii
2022 Aaron Echols
Berberis nevinii
2021 Mary Wloch

Bidens pilosa var. pilosa    Hairy beggarticks
non-native
Annual herb

ASTERACEAE

Bidens pilosa var. pilosa
2021 Ron Vanderhoff
Bidens pilosa var. pilosa
2018 Ron Vanderhoff
Bidens pilosa var. pilosa
2020 David Wolfson

Bloomeria crocea    Common goldenstar,  Golden star
native
Perennial herb

THEMIDACEAE

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

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2020 Diane Etchison
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

Brassica rapa    Common mustard,  Field mustard,  Rape mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica rapa
2017 Cynthia Powell
Brassica rapa
2008 Neal Kramer
Brassica rapa
2018 Angelique Herman

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2022 Ron Vanderhoff

Brickellia nevinii    Nevin's brickellbush,  Nevin's brickellia
native
Shrub

ASTERACEAE

Brickellia nevinii
2019 Ron Vanderhoff
Brickellia nevinii
2019 Ron Vanderhoff
Brickellia nevinii
2019 Ron Vanderhoff

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
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald

Bromus laevipes    Chinook brome,  Narrow flowered brome,  Woodland brome
native
Perennial grass

POACEAE

Bromus laevipes
2020 Alice Cummings
Bromus laevipes
2019 Kimberly Moses
Bromus laevipes
2018 Ken Hickman

invasive non-native
Annual grass

POACEAE

Bromus madritensis ssp. rubens
2015 Chris Jaster
Bromus madritensis ssp. rubens
2015 jamie smith
Bromus madritensis ssp. rubens
2018 Gary McDonald

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 ciliata    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2021 Rebecca Nelson
Calandrinia ciliata
2019 Ron Vanderhoff

Calochortus catalinae    Catalina mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus catalinae
1991 Geoff Burleigh
Calochortus catalinae
2020 Ron Vanderhoff
Calochortus catalinae
2014 Steve Matson

Calochortus plummerae    Plummer's mariposa lily
rare native
Perennial herb (bulb)

LILIACEAE

Calochortus plummerae
2020 Emily Sluiman
Calochortus plummerae
2019 John L. Thompson
Calochortus plummerae
2022 Ron Vanderhoff

Calochortus splendens    Splendid mariposa lily
native
Perennial herb

LILIACEAE

Calochortus splendens
2020 Bo Gould
Calochortus splendens
1998 Dean Wm. Taylor
Calochortus splendens
2020 Diane Etchison

Calyptridium monandrum    Common pussypaws,  Pussy paws
native
Annual herb

MONTIACEAE

Calyptridium monandrum
2019 Stacie Wolny
Calyptridium monandrum
2020 Ron Vanderhoff
Calyptridium monandrum
2020 Ron Vanderhoff

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell
Calystegia macrostegia ssp. cyclostegia
2020 James Gonsman
Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell

Camissonia bistorta    California sun cup
native
Annual herb

ONAGRACEAE

Camissonia bistorta
2017 Diane Etchison
Camissonia bistorta
2015 Jesse Rorabaugh
Camissonia bistorta
2019 Diane Etchison

Camissonia boothii ssp. decorticans    Shredding evening-primrose
native
Annual herb

ONAGRACEAE

Camissonia boothii ssp. decorticans
2019 Matt Berger
Camissonia boothii ssp. decorticans
2020 David Greenberger
Camissonia boothii ssp. decorticans
2017 Bonnie Nickel

Camissonia californica    California primrose
native
Annual herb

ONAGRACEAE

Camissonia californica
2019 Elexis Padron
Camissonia californica
2019 Ron Vanderhoff
Camissonia californica
2015 Diane Etchison

Camissonia cheiranthifolia    Beach evening-primrose
native
Perennial herb

ONAGRACEAE

Camissonia cheiranthifolia
2019 Patrick Furtado
Camissonia cheiranthifolia
2021 Meghan Lindt
Camissonia cheiranthifolia
2019 Ron Vanderhoff

Camissonia hirtella    Hairy sun cup
native
Annual herb

ONAGRACEAE

Camissonia hirtella
2019 Ron Vanderhoff
Camissonia hirtella
2019 Steve Matson
Camissonia hirtella
2021 Dianne Lake

Camissonia ignota    Jurupa hills sun cup
native
Annual herb

ONAGRACEAE

Camissonia ignota
2020 Diane Etchison
Camissonia ignota
2015 Diane Etchison
Camissonia ignota
2019 Arlee Montalvo

Camissonia intermedia    Intermediate sun cups
native
Annual herb

ONAGRACEAE

Camissonia intermedia
2017 David Greenberger
Camissonia intermedia
2016 Erik Larsen
Camissonia intermedia
2018 Alice Cummings

Camissonia micrantha    Spencer primrose
native
Annual herb

ONAGRACEAE

Camissonia micrantha
2021 Ken-ichi Ueda
Camissonia micrantha
2021 Ken-ichi Ueda
Camissonia micrantha
2021 Ken-ichi Ueda

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
2008 Zoya Akulova
Carduus pycnocephalus
2017 Gary McDonald

Carex triquetra    Triangular fruit sedge,  Triangularfruit sedge
native
Perennial grasslike herb

CYPERACEAE

Carex triquetra
2009 Adonis (Don) Tate
Carex triquetra
2003 Steve Matson
Carex triquetra
2009 Adonis (Don) Tate

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

AIZOACEAE

Carpobrotus edulis
2017 Lisa Miller
Carpobrotus edulis
2019 Michelle Karle
Carpobrotus edulis
2021 Michelle Karle

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
2022 Linnea vonAhn
Castilleja exserta ssp. exserta
2018 Gary McDonald

Ceanothus leucodermis    Chaparral whitethorn
native
Shrub

RHAMNACEAE

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

Ceanothus megacarpus    Big pod ceanothus,  Bigpod ceanothus
native
Shrub

RHAMNACEAE

Ceanothus megacarpus
2020 Bryant Baker
Ceanothus megacarpus
2019 Bryant Baker
Ceanothus megacarpus
2018 Ron Vanderhoff

Ceanothus oliganthus    Hairy ceanothus
native
Shrub

RHAMNACEAE

Ceanothus oliganthus
2019 Ron Vanderhoff
Ceanothus oliganthus
2019 Ron Vanderhoff
Ceanothus oliganthus
2020 Ron Vanderhoff

Ceanothus spinosus    Greenbark ceanothus,  Redheart
native
Tree, Shrub

RHAMNACEAE

Ceanothus spinosus
2018 Ron Vanderhoff
Ceanothus spinosus
2012 Ron Vanderhoff
Ceanothus spinosus
2019 Ron Vanderhoff

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

ASTERACEAE

Centaurea melitensis
2019 Ron Vanderhoff
Centaurea melitensis
2012 Gary McDonald
Centaurea melitensis
2019 Arlee Montalvo

Centaurium venustum    California Centaury, Charming Centaury
native
Annual herb

GENTIANACEAE

Centaurium venustum
2019 Diane Etchison
Centaurium venustum
2020 Ron Vanderhoff
Centaurium venustum
2020 Aaron Echols

Centranthus ruber    Jupiter's beard,  Red valerian
non-native
Annual, Perennial herb

VALERIANACEAE

Centranthus ruber
2013 Zachary Mikalonis
Centranthus ruber
2022 Justin Felder
Centranthus ruber
2009 Neal Kramer

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

ROSACEAE

Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff
Cercocarpus betuloides var. betuloides
2012 Gary McDonald
Cercocarpus betuloides var. betuloides
2019 Ron Vanderhoff

Chaenactis artemisiifolia    Artemisia leaved chaenactis,  White pincushion
native
Annual herb

ASTERACEAE

Chaenactis artemisiifolia
2022 Rosalind Helfand
Chaenactis artemisiifolia
2017 Kristin Sabo
Chaenactis artemisiifolia
2022 Ron Vanderhoff

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

ASTERACEAE

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

Chamaesyce melanadenia    Red-gland spurge
native
Perennial herb

EUPHORBIACEAE

Chamaesyce melanadenia
2022 Rosalind Helfand
Chamaesyce melanadenia
2020 Matt Berger
Chamaesyce melanadenia
2020 Matt Berger

Chamaesyce polycarpa var. polycarpa    Smallseed sandmat
native
Perennial herb

EUPHORBIACEAE

Chamaesyce polycarpa var. polycarpa
2019 Mary Wloch
Chamaesyce polycarpa var. polycarpa
2010 Steve Matson
Chamaesyce polycarpa var. polycarpa
2018 Ron Vanderhoff

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

Chamomilla suaveolens
2019 Diane Etchison
Chamomilla suaveolens
2019 Bob Sweatt
Chamomilla suaveolens
2008 Keir Morse

Chenopodium album    Lamb's quarters,  Lambs quarters,  White goosefoot
non-native
Annual herb

CHENOPODIACEAE

Chenopodium album
2022 Ron Vanderhoff
Chenopodium album
2014 Toni Corelli
Chenopodium album
2022 Ron Vanderhoff

Chenopodium berlandieri    Berlandier's goosefoot,  Pit seed goosefoot
native
Annual herb

CHENOPODIACEAE

Chenopodium berlandieri
2019 Ron Vanderhoff
Chenopodium berlandieri
2022 Bob Sweatt
Chenopodium berlandieri
2022 Bob Sweatt

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
2019 Diane Etchison
Chenopodium californicum
2015 Eric LoPresti
Chenopodium californicum
2008 Keir Morse

Chenopodium murale    Nettle leaf goosefoot,  Sowbane
non-native
Annual herb

CHENOPODIACEAE

Chenopodium murale
2012 Michael Mitchell
Chenopodium murale
2019 Diane Etchison
Chenopodium murale
2020 Ron Vanderhoff

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum
2019 Patrick Furtado
Chlorogalum pomeridianum
2020 Robert Katz
Chlorogalum pomeridianum
2019 Diane Etchison

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

Chorizanthe staticoides
2019 Diane Etchison
Chorizanthe staticoides
2019 Bryant Baker
Chorizanthe staticoides
2019 Ron Vanderhoff

Cirsium occidentale var. californicum    Bigelow thistle,  California thistle,  Cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. californicum
2021 Amber Bedgood
Cirsium occidentale var. californicum
2013 James Gonsman
Cirsium occidentale var. californicum
2021 Mike Russler

Cirsium occidentale var. occidentale    Cobweb thistle,  Cobwebby thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale var. occidentale
2022 Suzanne L. Weakley
Cirsium occidentale var. occidentale
2020 Coty Sifuentes-Winter
Cirsium occidentale var. occidentale
2019 Randy Huey

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
2017 James Bailey
Cirsium vulgare
2019 Gustavo Vasquez
Cirsium vulgare
2020 Bob Sweatt

Cistus ladanifer    Gum rockrose,  Resinous rockrose
invasive non-native
Shrub (stem succulent)

CISTACEAE

Cistus ladanifer
2021 Emily Sluiman
Cistus ladanifer
2005 Dr. Antonio Martinez
Cistus ladanifer
2004 Michael Charters

Clarkia bottae    Botta's clarkia,  Punch bowl godetia
native
Annual herb

ONAGRACEAE

Clarkia bottae
2021 Amber Bedgood
Clarkia bottae
2020 Steve Laymon
Clarkia bottae
2020 Steve Laymon

Clarkia cylindrica    Speckled clarkia
native
Annual herb

ONAGRACEAE

Clarkia cylindrica
2020 Matt Berger
Clarkia cylindrica
2019 Matt Berger
Clarkia cylindrica
2022 Amber Bedgood

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

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
2020 Steve Laymon
Clarkia purpurea ssp. quadrivulnera
2021 Ron Vanderhoff
Clarkia purpurea ssp. quadrivulnera
2018 Gary McDonald

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

MONTIACEAE

Claytonia perfoliata ssp. mexicana
2002 Dean Wm. Taylor
Claytonia perfoliata ssp. mexicana
2013 Susan McDougall
Claytonia perfoliata ssp. mexicana
2014 David popp

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2016 Julie Watson
Clematis lasiantha
2016 Julie Ann Watson
Clematis lasiantha
2018 Steve Matson

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla
2022 Mary Ann Machi
Collinsia heterophylla
2019 Jacob Smith
Collinsia heterophylla
2019 David Greenberger

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
2019 James Bailey
Conium maculatum
2013 Toni Corelli
Conium maculatum
2020 Nancy Hamlett

Convolvulus arvensis    Field bindweed,  Orchard morningglory
invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

Convolvulus arvensis
2019 Ron Vanderhoff
Convolvulus arvensis
2021 Ron Vanderhoff
Convolvulus arvensis
2005 Steve Matson

Conyza canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Conyza canadensis
2017 Gary McDonald
Conyza canadensis
2017 Gary McDonald
Conyza canadensis
2022 Mike Russler

Cortaderia selloana    Uruguayan pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia selloana
2020 Ron Vanderhoff
Cortaderia selloana
2018 Jamie Flagg
Cortaderia selloana
2019 Andy Jones

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

ASTERACEAE

Cotula australis
2020 Ron Vanderhoff
Cotula australis
2022 Ron Vanderhoff
Cotula australis
2022 Ron Vanderhoff

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

CRASSULACEAE

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

Cryptantha clevelandii    Cleveland's cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha clevelandii
2019 Ron Vanderhoff
Cryptantha clevelandii
2019 Diane Etchison
Cryptantha clevelandii
2019 Diane Etchison

Cryptantha intermedia    Clearwater cryptantha,  Common cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha intermedia
2020 Ron Vanderhoff
Cryptantha intermedia
2019 Ron Vanderhoff
Cryptantha intermedia
2019 Ron Vanderhoff

Cryptantha micromeres    Minute flowered cryptantha,  Pygmyflower cryptantha,  Small flowered cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha micromeres
2021 Jodi McGraw
Cryptantha micromeres
2020 Ken Hickman
Cryptantha micromeres
2019 John Rawlings

Cryptantha muricata    Pointed cryptantha,  Prickly cryptantha,  Prickly popcorn flower
native
Annual herb

BORAGINACEAE

Cryptantha muricata
2016 Chris Leslie
Cryptantha muricata
2016 Chris Leslie
Cryptantha muricata
2019 Marisa Persaud

Cuscuta californica    California dodder,  Chaparral dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica
2016 Yana Marshall
Cuscuta californica
2018 David popp
Cuscuta californica
2019 stephen rosenthal

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

CONVOLVULACEAE

Cuscuta subinclusa
2018 Ron Vanderhoff
Cuscuta subinclusa
2021 Mike Russler
Cuscuta subinclusa
2021 Helen Hancock

Cylindropuntia californica var. parkeri    Cane or valley cholla
native
Perennial herb (stem succulent)

CACTACEAE

Cylindropuntia californica var. parkeri
2021 Ron Vanderhoff
Cylindropuntia californica var. parkeri
2022 Ron Vanderhoff
Cylindropuntia californica var. parkeri
2022 Grigory Heaton

Cynodon dactylon    Bermuda grass,  Bermudagrass
invasive non-native
Perennial grass

POACEAE

Cynodon dactylon
2021 Ron Vanderhoff
Cynodon dactylon
2020 Ron Vanderhoff
Cynodon dactylon
2014 Zoya Akulova

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
2016 Joan Hampton
Cyperus eragrostis
2021 Ken Lunders
Cyperus eragrostis
2014 James Gonsman

Cyperus involucratus    Umbrella plant,  Unbrella plant
non-native
Perennial grasslike herb

CYPERACEAE

Cyperus involucratus
2018 Rachelle Gray
Cyperus involucratus
2020 Martin Lemon
Cyperus involucratus
2018 Jennifer Mo

Datisca glomerata    Durango root
native
Perennial herb

DATISCACEAE

Datisca glomerata
2019 Ron Vanderhoff
Datisca glomerata
2019 Diane Etchison
Datisca glomerata
2008 Keir Morse

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

Deinandra fasciculata    Clustered tarweed
native
Annual herb

ASTERACEAE

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

Delairea odorata    Cape ivy
invasive non-native
Perennial herb

ASTERACEAE

Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff
Delairea odorata
2019 Ron Vanderhoff

Delphinium cardinale    Scarlet larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium cardinale
Geoff Burleigh
Delphinium cardinale
2021 Colin Barrows
Delphinium cardinale
2018 Mike Libby

Delphinium patens ssp. hepaticoideum    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens ssp. hepaticoideum
2007 K Suri
Delphinium patens ssp. hepaticoideum
2021 Arlee Montalvo
Delphinium patens ssp. hepaticoideum
2011 Wynn Anderson

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

Dichelostemma capitatum ssp. capitatum    Blue dicks,  Bluedicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum ssp. capitatum
2015 Diane Etchison
Dichelostemma capitatum ssp. capitatum
2010 Steven Thorsted
Dichelostemma capitatum ssp. capitatum
2019 Mary Conway

Digitaria sanguinalis    Hairy crabgrass
non-native
Annual grass

POACEAE

Digitaria sanguinalis
2022 Ron Vanderhoff
Digitaria sanguinalis
2022 Ron Vanderhoff
Digitaria sanguinalis
2019 Jennifer Mo

Dodecatheon clevelandii    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon clevelandii
2013 Steven M Norris
Dodecatheon clevelandii
2013 Steven M Norris
Dodecatheon clevelandii
2012 Jason Matthias Mills

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

DRYOPTERIDACEAE

Dryopteris arguta
2022 David Strauch
Dryopteris arguta
2004 Brent Miller
Dryopteris arguta
2019 Rebecca Crowe

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

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata
2015 Dee Warenycia
Dudleya lanceolata
2020 Steven M Norris
Dudleya lanceolata
2020 Steven M Norris

Dudleya multicaulis    Many stemmed dudleya,  Manystem liveforever
rare native
Perennial herb

CRASSULACEAE

Dudleya multicaulis
2019 Ron Vanderhoff
Dudleya multicaulis
2016 Ron Vanderhoff
Dudleya multicaulis
2019 Ron Vanderhoff

Echinochloa crus-galli    Barnyard grass,  Japanese millet,  Watergrass
non-native
Annual grass

POACEAE

Echinochloa crus-galli
2016 Barbara Boethling
Echinochloa crus-galli
2022 R.A. Chasey
Echinochloa crus-galli
2008 Zoya Akulova

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
2014 Neal Kramer

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

POACEAE

Ehrharta erecta
2021 Ron Vanderhoff
Ehrharta erecta
2020 Ron Vanderhoff
Ehrharta erecta
2020 Ron Vanderhoff

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

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

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

HYDROPHYLLACEAE

Emmenanthe penduliflora var. penduliflora
2018 Ron Vanderhoff
Emmenanthe penduliflora var. penduliflora
2015 Barry Thomson
Emmenanthe penduliflora var. penduliflora
2014 Ruth Ann Pearsons

Encelia californica    Bush sunflower,  California brittlebush,  California encelia
native
Shrub

ASTERACEAE

Encelia californica
2020 Aaron Echols
Encelia californica
2021 Mary Wloch
Encelia californica
2020 Diane Etchison

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 Gary McDonald

Equisetum hyemale ssp. affine    Giant scouring rush
native
Fern

EQUISETACEAE

Equisetum hyemale ssp. affine
2013 Michael Mitchell
Equisetum hyemale ssp. affine
2021 Ron Vanderhoff
Equisetum hyemale ssp. affine
2013 Michael Mitchell

Eriastrum sapphirinum    Sapphire eriastrum,  Sapphire woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum sapphirinum
2014 Steve Matson
Eriastrum sapphirinum
2013 Keir Morse
Eriastrum sapphirinum
2014 Steve Matson

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

ASTERACEAE

Ericameria parishii var. parishii
2020 Maisie Borg
Ericameria parishii var. parishii
2020 Maisie Borg
Ericameria parishii var. parishii
2020 Maisie Borg

Erigeron foliosus    Leafy daisy,  Leafy fleabane
native
Perennial herb

ASTERACEAE

Erigeron foliosus
2022 Ryan O'Dell
Erigeron foliosus
2022 Irene Rosen
Erigeron foliosus
2019 Ron Vanderhoff

Eriodictyon crassifolium    Felt leaved yerba santa,  Thick leaved yerba santa,  Thickleaf yerba santa
native
Shrub

NAMACEAE

Eriodictyon crassifolium
2019 Diane Etchison
Eriodictyon crassifolium
2020 Bonnie Nickel
Eriodictyon crassifolium
2017 David Vidal

Eriogonum cinereum    Ashyleaf buckwheat,  Coastal buckwheat,  Grey coast eriogonum
native
Shrub

POLYGONACEAE

Eriogonum cinereum
2022 Roger Gray
Eriogonum cinereum
2022 Roger Gray
Eriogonum cinereum
2022 Roger Gray

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. 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

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

Eriophyllum confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum
2019 Stacie Wolny
Eriophyllum confertiflorum
2019 Diane Etchison
Eriophyllum confertiflorum
2022 Mojgan Mahdizadeh

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

GERANIACEAE

Erodium botrys
2014 Bryan Derr
Erodium botrys
2017 Gary McDonald
Erodium botrys
2015 Ken Lunders

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
2020 Julia Markey
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 James Bailey
Erodium moschatum
2018 Stacie Wolny

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
2020 adam crisis
Eschscholzia californica
2009 Barry Rice
Eschscholzia californica
2020 Benjamin Gould

Eucalyptus camaldulensis    Red gum,  Red river gum,  River redgum
invasive non-native
Tree

MYRTACEAE

Eucalyptus camaldulensis
2022 Ron Vanderhoff
Eucalyptus camaldulensis
2022 Ron Vanderhoff
Eucalyptus camaldulensis
2022 Ron Vanderhoff

Eucalyptus citriodora    Lemon scented gum,  Lemonscented gum
non-native
Tree

MYRTACEAE

Eucalyptus citriodora
2019 Ron Vanderhoff
Eucalyptus citriodora
2021 Ron Vanderhoff
Eucalyptus citriodora
2022 Ron Vanderhoff

Eucalyptus cladocalyx    Sugar gum,  Sugargum
invasive non-native
Tree

MYRTACEAE

Eucalyptus cladocalyx
2017 Keir Morse
Eucalyptus cladocalyx
2010 Michael O'Brien
Eucalyptus cladocalyx
2011 Michael O'Brien

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

MYRTACEAE

Eucalyptus globulus
2020 Jennifer Mo
Eucalyptus globulus
2022 Ryan O'Dell
Eucalyptus globulus
2016 Zoya Akulova

Eucalyptus rudis    Western australian floodedgum
non-native
Tree

MYRTACEAE


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

HYDROPHYLLACEAE

Eucrypta chrysanthemifolia var. chrysanthemifolia
2021 Stella Yang
Eucrypta chrysanthemifolia var. chrysanthemifolia
2014 Steve Matson
Eucrypta chrysanthemifolia var. chrysanthemifolia
2022 R.A. Chasey

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia peplus
2006 Steve Matson
Euphorbia peplus
2022 Alice Cummings
Euphorbia peplus
2005 Luigi Rignanese

Euphorbia terracina    Geraldton carnation weed
invasive non-native
Perennial herb

EUPHORBIACEAE

Euphorbia terracina
2021 Ron Vanderhoff
Euphorbia terracina
2021 Ron Vanderhoff
Euphorbia terracina
2017 Steve Matson

Ficus carica    Common fig,  Edible fig
invasive non-native
Tree

MORACEAE

Ficus carica
2014 Ramona Robison
Ficus carica
2018 Ron Vanderhoff
Ficus carica
2018 Ron Vanderhoff

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
2017 Robert Steers
Filago californica
2015 Diane Etchison
Filago californica
2008 Keir Morse

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
2019 Nicole Leatherman
Foeniculum vulgare
2019 Ron Vanderhoff
Foeniculum vulgare
2015 Neal Kramer

Fraxinus velutina    Arizona ash,  Velvet ash
native
Tree

OLEACEAE

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

Fritillaria biflora    Chocolate lily
native
Perennial herb

LILIACEAE

Fritillaria biflora
2020 David Greenberger
Fritillaria biflora
2021 Aaron Echols
Fritillaria biflora
2020 Susan White

Galium angustifolium ssp. angustifolium    Narrow leaved bedstraw,  Narrowleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium angustifolium ssp. angustifolium
2017 Steve Matson
Galium angustifolium ssp. angustifolium
2020 Ron Vanderhoff
Galium angustifolium ssp. angustifolium
2017 Steve Matson

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 nuttallii ssp. nuttallii    Climbing bedstraw
native
Perennial herb

RUBIACEAE

Galium nuttallii ssp. nuttallii
2016 Ron Vanderhoff
Galium nuttallii ssp. nuttallii
2019 Diane Etchison
Galium nuttallii ssp. nuttallii
2018 Ron Vanderhoff

Gilia angelensis    Chaparral gilia
native
Annual herb

POLEMONIACEAE

Gilia angelensis
2020 Ron Vanderhoff
Gilia angelensis
2020 Aaron Echols
Gilia angelensis
2019 Diane Etchison

Gilia capitata ssp. abrotanifolia    Ball gilia,  Blue field gilia,  Bluehead gilia
native
Annual herb

POLEMONIACEAE

Gilia capitata ssp. abrotanifolia
2022 Ryan O'Dell
Gilia capitata ssp. abrotanifolia
2016 Steve Matson
Gilia capitata ssp. abrotanifolia
2019 Diane Etchison

Gilia tricolor    Bird's eye gilia,  Bird's eyes,  Tricolor gilia
native
Annual herb

POLEMONIACEAE

Gilia tricolor
2020 Amy Rapport
Gilia tricolor
2020 David Self
Gilia tricolor
2018 Sue Graue

Gnaphalium bicolor    Two-color rabbit-tobacco
native
Perennial herb

ASTERACEAE

Gnaphalium bicolor
2019 David Greenberger
Gnaphalium bicolor
2019 Ron Vanderhoff
Gnaphalium bicolor
2019 Ron Vanderhoff

Gnaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

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

native
Perennial herb

ASTERACEAE

Gnaphalium canescens ssp. beneolens
2021 BLM Redding Field Office
Gnaphalium canescens ssp. beneolens
2021 Mike Russler
Gnaphalium canescens ssp. beneolens
2021 R.A. Chasey

Gnaphalium luteo-album    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Gnaphalium luteo-album
2011 Toni Corelli
Gnaphalium luteo-album
2019 Diane Etchison
Gnaphalium luteo-album
2020 David popp

Gnaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Gnaphalium ramosissimum
2021 R.A. Chasey
Gnaphalium ramosissimum
2021 R.A. Chasey
Gnaphalium ramosissimum
2016 Barbara Boethling

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum
2020 Ryan Carle
Gnaphalium stramineum
2017 Diane Etchison
Gnaphalium stramineum
2011 Toni Corelli

Gutierrezia californica    California matchweed,  Matchweed, snakeweed,  San joaquin snakeweed
native
Perennial herb, Shrub

ASTERACEAE

Gutierrezia californica
2021 Helen Hancock
Gutierrezia californica
2010 Neal Kramer
Gutierrezia californica
2018 Ron Vanderhoff

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

ASTERACEAE

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

Hedera helix    English ivy
invasive non-native
Vine, Shrub

ARALIACEAE

Hedera helix
2019 Claire Mallen
Hedera helix
1985 Joe DiTomaso
Hedera helix
2017 Allison Titus

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
2020 Diane Etchison
Helianthemum scoparium
2020 Mary Conway
Helianthemum scoparium
2018 Debra L. Cook

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

URTICACEAE

Hesperocnide tenella
2016 Ron Vanderhoff
Hesperocnide tenella
2022 Donald Burk
Hesperocnide tenella
2006 Steve Matson

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Hesperoyucca whipplei
Geoff Burleigh
Hesperoyucca whipplei
2021 Amber Bedgood
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

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

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
2019 Bob Sweatt
Holodiscus discolor
2020 Camille Nowell
Holodiscus discolor
2018 Ron Vanderhoff

Hordeum murinum ssp. glaucum    Blue foxtail,  Smooth barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. glaucum
2018 Gary McDonald
Hordeum murinum ssp. glaucum
2019 Gary McDonald
Hordeum murinum ssp. glaucum
2017 Gary McDonald

Horkelia cuneata    Wedge leaf horkelia,  Wedge leaved horkelia,  Wedgeleaf horkelia
native
Perennial herb

ROSACEAE

Horkelia cuneata
2020 Ron Vanderhoff
Horkelia cuneata
2013 Ron Vanderhoff
Horkelia cuneata
2019 Ron Vanderhoff

Isomeris arborea    Bladderpod
native
Shrub

CLEOMACEAE

Isomeris arborea
2020 Ines ye
Isomeris arborea
2018 Thomas Egan
Isomeris arborea
2016 Steven M Norris

Juglans californica var. californica    Southern black walnut,  Southern california walnut,  Southern california black walnut
rare native
Tree

JUGLANDACEAE

Juglans californica var. californica
2017 Aaron Echols
Juglans californica var. californica
2022 Aaron Echols
Juglans californica var. californica
2014 Garth Wadsworth

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
2004 Steve Matson

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

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
2017 B.J. Dion
Lamarckia aurea
2019 Ron Vanderhoff
Lamarckia aurea
2015 James Gonsman

Lantana montevidensis    Trailing lantana,  Trailing shrubverbena
non-native
Vine, Shrub

VERBENACEAE

Lantana montevidensis
2019 Ron Vanderhoff
Lantana montevidensis
2018 Ron Vanderhoff
Lantana montevidensis
2018 Ron Vanderhoff

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

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2022 Charles Russell
Lathyrus vestitus var. vestitus
2020 James Gonsman

Lepidium didymum    Lesser swine cress
non-native
Annual herb

BRASSICACEAE

Lepidium didymum
2022 Shawna Martinez
Lepidium didymum
2009 Neal Kramer
Lepidium didymum
2022 Shawna Martinez

Leptosiphon grandiflorus    Large flowered leptosiphon
rare native
Annual herb

POLEMONIACEAE

Leptosiphon grandiflorus
2020 Ken Hickman
Leptosiphon grandiflorus
2019 R.A. Chasey
Leptosiphon grandiflorus
2017 David Greenberger

Leptosiphon liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Leptosiphon liniflorus
2017 Aaron Echols
Leptosiphon liniflorus
2022 Charles Russell
Leptosiphon liniflorus
2009 Genevieve K. Walden

Lessingia filaginifolia    Common sandaster
native
Perennial herb

ASTERACEAE

Lessingia filaginifolia
2022 Mike Russler
Lessingia filaginifolia
2018 Ron Vanderhoff
Lessingia filaginifolia
2021 Mike Russler

Leymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

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

Lilium humboldtii var. ocellatum    Humboldt lily,  Spotted humboldt's lily
rare native
Perennial herb (bulb)

LILIACEAE

Lilium humboldtii var. ocellatum
2019 Ron Vanderhoff
Lilium humboldtii var. ocellatum
2020 Tom Ballinger
Lilium humboldtii var. ocellatum
2004 Charles E. Jones

Linanthus californicus    Prickly phlox
native
Shrub

POLEMONIACEAE

Linanthus californicus
2018 Ron Vanderhoff
Linanthus californicus
2020 Matt Berger
Linanthus californicus
2019 Diane Etchison

Linanthus dianthiflorus    Fringed linanthus
native
Annual herb

POLEMONIACEAE

Linanthus dianthiflorus
2015 Michael Charters
Linanthus dianthiflorus
2017 Diane Etchison
Linanthus dianthiflorus
2006 Deborah Leonard

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

SAXIFRAGACEAE

Lithophragma affine
2017 Bonnie Nickel
Lithophragma affine
2021 Yoriko Kishimoto
Lithophragma affine
2020 Mary Conway

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

Lolium multiflorum    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium multiflorum
2019 Ron Vanderhoff
Lolium multiflorum
2017 Gary McDonald
Lolium multiflorum
2021 Ron Vanderhoff

Lolium perenne    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Lolium perenne
2019 Ron Vanderhoff
Lolium perenne
2017 Gary McDonald
Lolium perenne
2021 Ron Vanderhoff

Lonicera interrupta    Chaparral honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera interrupta
2018 David Greenberger
Lonicera interrupta
2008 Chris Winchell
Lonicera interrupta
2019 Julie Kierstead Nelson

Lonicera subspicata var. denudata    Chaparral honeysuckle,  Johnston's honeysuckle,  Santa barbara honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata var. denudata
2019 Diane Etchison
Lonicera subspicata var. denudata
2021 Ron Vanderhoff
Lonicera subspicata var. denudata
2021 Ron Vanderhoff

Lotus salsuginosus    Coastal lotus
native
Annual herb

FABACEAE

Lotus salsuginosus
2019 Diane Etchison
Lotus salsuginosus
2017 John Doyen
Lotus salsuginosus
2019 Mary Conway

native
Perennial herb

FABACEAE

Lotus scoparius var. scoparius
2020 Ron Vanderhoff
Lotus scoparius var. scoparius
2016 Susan McDougall
Lotus scoparius var. scoparius
2020 Ron Vanderhoff

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

FABACEAE

Lupinus bicolor
2019 Gary McDonald
Lupinus bicolor
2018 Stacie Wolny
Lupinus bicolor
2019 Gary McDonald

Lupinus formosus var. formosus    Summer lupine,  Western lupine
native
Perennial herb

FABACEAE

Lupinus formosus var. formosus
2016 Michael Mitchell
Lupinus formosus var. formosus
2011 Michael Mitchell
Lupinus formosus var. formosus
2020 R.A. Chasey

Lupinus longifolius    Long leaf bush lupine,  Longleaf bush lupine
native
Shrub

FABACEAE

Lupinus longifolius
Geoff Burleigh
Lupinus longifolius
Geoff Burleigh
Lupinus longifolius
Geoff Burleigh

Lupinus sparsiflorus    Coulter's lupine,  Mohave lupine,  Mojave lupine
native
Annual herb

FABACEAE

Lupinus sparsiflorus
2019 Diane Etchison
Lupinus sparsiflorus
2010 James M. Andre
Lupinus sparsiflorus
2010 Neal Kramer

Lupinus truncatus    Blunt leaved lupine,  Collared annual lupine,  Truncate leaf lupine
native
Annual herb

FABACEAE

Lupinus truncatus
2010 Michael Mitchell
Lupinus truncatus
2010 Michael Mitchell
Lupinus truncatus
2008 Keir Morse

Lythrum californicum    California loosestrife,  Common loosestrife
native
Perennial herb

LYTHRACEAE

Lythrum californicum
2017 Fred Melgert / Carla Hoegen
Lythrum californicum
2020 Ron Vanderhoff
Lythrum californicum
2017 David Wolfson

Malacothamnus fasciculatus    Chaparral bush mallow
native
Shrub

MALVACEAE

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

Malacothrix saxatilis var. tenuifolia    Cliff desertdandelion,  Short leaved cliff aster
native
Perennial herb

ASTERACEAE

Malacothrix saxatilis var. tenuifolia
2021 Ron Vanderhoff
Malacothrix saxatilis var. tenuifolia
2021 Ron Vanderhoff
Malacothrix saxatilis var. tenuifolia
2019 Diane Etchison

Malosma laurina    Laurel sumac
native
Tree, Shrub

ANACARDIACEAE

Malosma laurina
2015 Steven M Norris
Malosma laurina
2003 Michael Charters
Malosma laurina
2018 Susan McDougall

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

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

native
Perennial herb, Vine

CUCURBITACEAE

Marah macrocarpus var. macrocarpus
2021 David Berman
Marah macrocarpus var. macrocarpus
2021 Emily Sluiman
Marah macrocarpus var. macrocarpus
2003 Lynn Watson

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2019 Aaron Echols
Marrubium vulgare
2013 Gary McDonald
Marrubium vulgare
2015 Diane Etchison

Meconella denticulata    Small flowered meconella,  Smallflower fairypoppy
native
Annual herb

PAPAVERACEAE

Meconella denticulata
2019 Ron Vanderhoff
Meconella denticulata
2019 Ron Vanderhoff
Meconella denticulata
2012 Ron Vanderhoff

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
non-native
Annual herb

FABACEAE

Melilotus indicus
2019 Randy Huey
Melilotus indicus
2019 Randy Huey
Melilotus indicus
2017 Rosalie Benitez

Mentzelia laevicaulis    Blazing star,  Giant blazingstar,  Smooth stem blazing star
native
Perennial herb

LOASACEAE

Mentzelia laevicaulis
2017 Art Clark
Mentzelia laevicaulis
2017 Aaron Echols
Mentzelia laevicaulis
2021 Bob Sweatt

Mentzelia lindleyi    Lindley's blazing star,  Lindley's blazingstar
native
Annual herb

LOASACEAE

Mentzelia lindleyi
2020 Karen Swift
Mentzelia lindleyi
2021 Vivian Krug Cotton
Mentzelia lindleyi
2020 Joerg Lohse

native
Annual herb

POLEMONIACEAE

Microsteris gracilis var. gracilis
2020 Chico Hiking Association
Microsteris gracilis var. gracilis
2003 Steve Matson
Microsteris gracilis var. gracilis
2003 Steve Matson

Mimulus brevipes    Wide throated yellow monkeyflower
native
Annual herb

PHRYMACEAE

Mimulus brevipes
2019 Rebecca E. Crowe
Mimulus brevipes
2013 Keir Morse
Mimulus brevipes
2020 Ron Vanderhoff

Mimulus cardinalis    Cardinal monkey flower
native
Perennial herb

PHRYMACEAE

Mimulus cardinalis
2021 Mike Russler
Mimulus cardinalis
2019 Ron Vanderhoff
Mimulus cardinalis
2021 Mike Russler

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

PHRYMACEAE

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

Mimulus longiflorus    southern bush monkeyflower
native
Shrub

PHRYMACEAE

Mimulus longiflorus
2022 Ron Vanderhoff
Mimulus longiflorus
2014 Steve Matson
Mimulus longiflorus
2022 Ron Vanderhoff

Mimulus pilosus    Snouted monkey flower
native
Annual herb

PHRYMACEAE

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

Mirabilis jalapa    Four o'clock,  Marvel of peru,  Wishbone bush
non-native
Perennial herb

NYCTAGINACEAE

Mirabilis jalapa
1981 Gerald Carr
Mirabilis jalapa
1981 Gerald Carr
Mirabilis jalapa
2020 Diane Etchison

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

NYCTAGINACEAE

Mirabilis laevis var. crassifolia
2021 Ron Vanderhoff
Mirabilis laevis var. crassifolia
2018 Ron Vanderhoff
Mirabilis laevis var. crassifolia
2010 Thomas Stoughton

Muhlenbergia microsperma    Annual muhly,  Littleseed muhly
native
Annual grass

POACEAE

Muhlenbergia microsperma
2017 Ron Vanderhoff
Muhlenbergia microsperma
2019 Ron Vanderhoff
Muhlenbergia microsperma
2012 Neal Kramer

Nassella lepida    Foothill needle grass
native
Perennial grass

POACEAE

Nassella lepida
2017 Gary McDonald
Nassella lepida
2016 Andrew Longman
Nassella lepida
2019 Angelique Herman

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

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii
2019 Matt Berger
Nemophila menziesii
2019 Diane Etchison
Nemophila menziesii
2010 Zoya Akulova

native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii var. integrifolia
2020 David Greenberger
Nemophila menziesii var. integrifolia
2021 Emily Sluiman
Nemophila menziesii var. integrifolia
2013 Keir Morse

Nicotiana glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca
2019 Jean B Henney
Nicotiana glauca
2022 Mark Bowler
Nicotiana glauca
2019 Nicole Leatherman

Nicotiana quadrivalvis    Indian tobacco
native
Annual herb

SOLANACEAE

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

Oenothera elata    Evening primrose,  Hooker's evening primrose
native
Perennial herb

ONAGRACEAE

Oenothera elata
2020 Bob Sweatt
Oenothera elata
2018 Jay Chamberlain
Oenothera elata
2020 Bob Sweatt

Olea europaea    Olive
invasive non-native
Tree, Shrub

OLEACEAE

Olea europaea
2022 Donald Burk
Olea europaea
2008 Dr. Amadej Trnkoczy
Olea europaea
2015 Zoya Akulova

Opuntia littoralis    Chaparral pricklypear,  Prickly pear
native
Shrub (stem succulent)

CACTACEAE

Opuntia littoralis
2020 Ron Vanderhoff
Opuntia littoralis
2011 Dylan Neubauer
Opuntia littoralis
2018 Ron Vanderhoff

Osmorhiza brachypoda    California sweet cicely,  California sweetcicely
native
Perennial herb

APIACEAE

Osmorhiza brachypoda
2017 Aaron Echols
Osmorhiza brachypoda
2020 Ron Vanderhoff
Osmorhiza brachypoda
2022 Ron Vanderhoff

Oxalis albicans ssp. californica    Californica wood sorrel
native
Perennial herb

OXALIDACEAE

Oxalis albicans ssp. californica
2019 Diane Etchison
Oxalis albicans ssp. californica
2020 Ron Vanderhoff
Oxalis albicans ssp. californica
2020 Diane Etchison

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica
2021 Ron Vanderhoff
Paeonia californica
2022 Ron Vanderhoff
Paeonia californica
2019 Susan McDougall

Parietaria hespera var. californica    California pellitory
native
Annual herb

URTICACEAE

Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2009 Keir Morse
Parietaria hespera var. californica
2002 Dean Wm. Taylor

Passiflora caerulea    Bluecrown passionflower
non-native
Vine

PASSIFLORACEAE

Passiflora caerulea
2018 Ron Vanderhoff
Passiflora caerulea
2018 Ron Vanderhoff
Passiflora caerulea
2019 Nathan Taxel

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
2017 James Bailey

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2021 Mike Russler
Pellaea andromedifolia
2021 Mike Russler
Pellaea andromedifolia
2021 Steve Matson

Pellaea mucronata    Bird's foot fern,  Birdfoot cliffbrake,  Birdfoot fern
native
Fern

PTERIDACEAE

Pellaea mucronata
2012 Ron Vanderhoff
Pellaea mucronata
2023 Julia Markey
Pellaea mucronata
2009 Thomas Stoughton

Pennisetum clandestinum    Kikuyu grass,  Kikuyugrass
invasive non-native
Perennial grass

POACEAE

Pennisetum clandestinum
2019 Cynthia Powell
Pennisetum clandestinum
2008 Neal Kramer
Pennisetum clandestinum
2017 Nick Graver

Pennisetum setaceum    Crimson fountaingrass,  Fountaingrass
invasive non-native
Perennial grass

POACEAE

Pennisetum setaceum
2018 James Bailey
Pennisetum setaceum
2021 Steve Matson
Pennisetum setaceum
2019 Andy Jones

Penstemon centranthifolius    Scarlet bugler
native
Perennial herb

PLANTAGINACEAE

Penstemon centranthifolius
2022 Amber Bedgood
Penstemon centranthifolius
2021 Les Vion
Penstemon centranthifolius
2022 Ron Vanderhoff

Penstemon heterophyllus    Bunchleaf penstemon,  Foothill penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon heterophyllus
2016 Michael Mitchell
Penstemon heterophyllus
2021 Charles Russell
Penstemon heterophyllus
2020 Alexander Darnielle

native
Perennial herb

PLANTAGINACEAE

Penstemon spectabilis var. subviscosis
2022 Arlee Montalvo
Penstemon spectabilis var. subviscosis
2018 Michelle Tollett
Penstemon spectabilis var. subviscosis
2018 Michelle Tollett

Pentagramma triangularis    Gold back fern,  Goldenback fern
native
Fern

PTERIDACEAE

Pentagramma triangularis
2021 Ron Vanderhoff
Pentagramma triangularis
2018 Miao Ling He
Pentagramma triangularis
2018 Cynthia Powell

Phacelia cicutaria    Caterpillar phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia cicutaria
1994 Geoff Burleigh
Phacelia cicutaria
2016 Julie Watson
Phacelia cicutaria
2019 Ron Vanderhoff

Phacelia cicutaria var. hispida    Caterpillar phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia cicutaria var. hispida
2019 Bonnie Nickel
Phacelia cicutaria var. hispida
2015 Steven M Norris
Phacelia cicutaria var. hispida
2019 Diane Etchison

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

HYDROPHYLLACEAE

Phacelia distans
2020 Ron Vanderhoff
Phacelia distans
2014 James Gonsman
Phacelia distans
2020 Ron Vanderhoff

Phacelia grandiflora    Giant flowered phacelia,  Large flowered phacelia,  Largeflower phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia grandiflora
2014 Ron Vanderhoff
Phacelia grandiflora
2019 Ron Vanderhoff
Phacelia grandiflora
2019 Ron Vanderhoff

Phacelia longipes    Long stalk phacelia,  Longstalk phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia longipes
Geoff Burleigh
Phacelia longipes
2020 G Froelich
Phacelia longipes
2018 Trevor Schalla

Phacelia minor    California bluebell,  Wild canterbury bells
native
Annual herb

HYDROPHYLLACEAE

Phacelia minor
2020 David Greenberger
Phacelia minor
2019 Diane Etchison
Phacelia minor
2019 Diane Etchison

Phacelia parryi    Parry's phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia parryi
2019 Mary Wloch
Phacelia parryi
2020 Ron Vanderhoff
Phacelia parryi
2020 Diane Etchison

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia tanacetifolia
2019 Susan McDougall
Phacelia tanacetifolia
2010 Neal Kramer
Phacelia tanacetifolia
2022 Charles Russell

Phacelia viscida    Sticky phacelia,  Tacky phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia viscida
2017 Keir Morse
Phacelia viscida
2017 Steve Matson
Phacelia viscida
2017 Steve Matson

Phoenix canariensis    Canary island date palm
invasive non-native
Tree

ARECACEAE

Phoenix canariensis
2020 Ron Vanderhoff
Phoenix canariensis
2022 Ron Vanderhoff
Phoenix canariensis
2021 James Bailey

Pholistoma auritum    Blue fiestaflower,  Fiesta flower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma auritum
2019 Mary Wloch
Pholistoma auritum
2015 Barry Thomson
Pholistoma auritum
2015 Steven M Norris

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

Phoradendron villosum
2022 David popp
Phoradendron villosum
2020 R.A. Chasey
Phoradendron villosum
2021 R.A. Chasey

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

ASTERACEAE

Picris echioides
2016 Hayley Ross
Picris echioides
2019 Rachelle Gray
Picris echioides
2019 Rachelle Gray

Piptatherum miliaceum    Smilo grass
invasive non-native
Perennial grass

POACEAE

Piptatherum miliaceum
2022 Donald Burk
Piptatherum miliaceum
2009 Keir Morse
Piptatherum miliaceum
2022 Donald Burk

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

BORAGINACEAE

Plagiobothrys nothofulvus
2018 Karen Scheuermann
Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2019 Ron Vanderhoff

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

PLANTAGINACEAE

Plantago erecta
2021 Charles Russell
Plantago erecta
2022 Catherine Chang
Plantago erecta
2008 Margo Bors

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
2019 Joe Engelbrecht

Plantago major    Common plantain
non-native
Perennial herb

PLANTAGINACEAE

Plantago major
2019 Bob Sweatt
Plantago major
2009 Barry Breckling
Plantago major
2013 Debra L. Cook

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

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

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
2018 Karen Scheuermann
Platystemon californicus
2020 Mitchell Coleman
Platystemon californicus
2019 Matt Berger

Polygonum aviculare ssp. depressum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare ssp. depressum
2016 Barbara Boethling
Polygonum aviculare ssp. depressum
2021 Ron Vanderhoff
Polygonum aviculare ssp. depressum
2014 Richard Chasey

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
2020 Ron Vanderhoff
Polypodium californicum
2021 Ron Vanderhoff
Polypodium californicum
2022 Suzanne L. Weakley

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

POACEAE

Polypogon monspeliensis
2020 Edith Allen
Polypogon monspeliensis
2021 Ron Vanderhoff
Polypogon monspeliensis
2014 Steve Matson

Populus balsamifera ssp. trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus balsamifera ssp. trichocarpa
2021 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
2014 Ron Vanderhoff
Populus balsamifera ssp. trichocarpa
2020 Susan McDougall

Potentilla glandulosa ssp. glandulosa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

Potentilla glandulosa ssp. glandulosa
2020 Diane Etchison
Potentilla glandulosa ssp. glandulosa
2017 Steve Matson
Potentilla glandulosa ssp. glandulosa
2021 Mike Russler

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

ROSACEAE

Prunus ilicifolia ssp. ilicifolia
2018 David Greenberger
Prunus ilicifolia ssp. ilicifolia
2012 Gary McDonald
Prunus ilicifolia ssp. ilicifolia
2020 Ron Vanderhoff

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2022 Bob Sweatt

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
2020 Dick Rawson
Pterostegia drymarioides
2018 Ron Vanderhoff
Pterostegia drymarioides
2020 Dick Rawson

Quercus agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia
2019 Patrick Furtado
Quercus agrifolia
2022 Andy Ford
Quercus agrifolia
2018 Marcyn Del Clements

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
2021 Ron Vanderhoff
Quercus berberidifolia
2020 Cynthia Keiser
Quercus berberidifolia
2019 Susan McDougall

Quercus durata var. gabrielensis    San Gabriel Mtns. leather oak
rare native
Shrub

FAGACEAE

Quercus durata var. gabrielensis
2019 Susan McDougall
Quercus durata var. gabrielensis
2019 Susan McDougall
Quercus durata var. gabrielensis
2013 Michael Long

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
2019 James Gonsman
Quercus lobata
2020 Charles Russell
Quercus lobata
2020 David Krause

native
Shrub, Tree

FAGACEAE


Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2020 Mitchell Coleman

native
Perennial herb

RANUNCULACEAE

Ranunculus cymbalaria var. saximontanus
2013 Steve Matson
Ranunculus cymbalaria var. saximontanus
2013 Steve Matson
Ranunculus cymbalaria var. saximontanus
2013 Steve Matson

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

RANUNCULACEAE

Ranunculus hebecarpus
2019 Ron Vanderhoff
Ranunculus hebecarpus
2022 Ron Vanderhoff
Ranunculus hebecarpus
2019 Ron Vanderhoff

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

BRASSICACEAE

Raphanus sativus
2017 Lisa Miller
Raphanus sativus
2004 Carol W. Witham
Raphanus sativus
2008 Thomas Stoughton

Rhamnus californica    California coffeeberry
native
Shrub

RHAMNACEAE

Rhamnus californica
2019 Talila Golan
Rhamnus californica
2001 Lynn Overtree
Rhamnus californica
2019 Mary Conway

Rhamnus crocea    Redberry buckthorn
native
Shrub

RHAMNACEAE

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

Rhamnus ilicifolia    Evergreen buckthorn,  Hollyleaf redberry
native
Shrub

RHAMNACEAE

Rhamnus ilicifolia
2015 stephen rosenthal
Rhamnus ilicifolia
2020 Rebecca Schoenenberger
Rhamnus ilicifolia
2020 Diane Etchison

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia
2020 Bryant Baker
Rhus integrifolia
2020 David Greenberger
Rhus integrifolia
2019 Ron Vanderhoff

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

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

Rhus trilobata    Fragrant sumac,  Skunk Bush
native
Shrub

ANACARDIACEAE

Rhus trilobata
2018 Angelique Herman
Rhus trilobata
2019 Bryant Baker
Rhus trilobata
2021 Ron Vanderhoff

Ribes aureum var. gracillimum    Golden currant
native
Shrub

GROSSULARIACEAE

Ribes aureum var. gracillimum
2019 Matt Berger
Ribes aureum var. gracillimum
2022 Alexander S. Kunz
Ribes aureum var. gracillimum
2020 Alice Cummings

Ribes malvaceum var. malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. malvaceum
2020 Ron Vanderhoff
Ribes malvaceum var. malvaceum
2020 Ron Vanderhoff
Ribes malvaceum var. malvaceum
2020 Hunter Breck

Ribes malvaceum var. viridifolium    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. viridifolium
2012 Ron Vanderhoff
Ribes malvaceum var. viridifolium
2009 Neal Kramer
Ribes malvaceum var. viridifolium
2016 Keir Morse

Ribes speciosum    Fuchsia flowered gooseberry,  Fuchsiaflower gooseberry
native
Shrub

GROSSULARIACEAE

Ribes speciosum
2022 David Chipping
Ribes speciosum
2021 Ron Vanderhoff
Ribes speciosum
2012 Ron Vanderhoff

Ricinus communis    Castor bean,  Castorbean
invasive non-native
Shrub

EUPHORBIACEAE

Ricinus communis
2017 b potts
Ricinus communis
2013 Keir Morse
Ricinus communis
2017 Henry DiRocco

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 pensilvanicus    Pennsylvania blackberry
non-native
Vine, Shrub

ROSACEAE

Rubus pensilvanicus
2013 Zoya Akulova
Rubus pensilvanicus
2013 Zoya Akulova

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 acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
2022 David Wolfson
Rumex acetosella
2015 Richard Chasey
Rumex acetosella
2004 Carol W. Witham

Salix exigua    Narrow leaved willow,  Narrowleaf willow,  Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua
2015 Steve Matson
Salix exigua
2019 Barbara Brydolf
Salix exigua
2015 Steve Matson

Salix gooddingii    Goodding's black willow,  Goodding's willow,  Gooding's willow
native
Tree

SALICACEAE

Salix gooddingii
2018 Hailey Laskey
Salix gooddingii
2021 Richard Spjut
Salix gooddingii
2020 Ron Vanderhoff

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

Salix laevigata
2020 Susan McDougall
Salix laevigata
2020 Diane Etchison
Salix laevigata
2002 John Bair

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2017 Susan Kotelnicki
Salix lasiolepis
2012 Zoya Akulova
Salix lasiolepis
2016 Zoya Akulova

Salsola tragus    Prickly russian thistle,  Russianthistle,  Tumbleweed
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola tragus
2017 Ron Vanderhoff
Salsola tragus
2021 Mike Russler
Salsola tragus
2016 Steven Thorsted

Saltugilia splendens    Splendid gilia
native
Annual herb

POLEMONIACEAE

Saltugilia splendens
2018 Janith Johnson
Saltugilia splendens
2022 Roger Gray
Saltugilia splendens
2022 Roger Gray

Salvia apiana    White sage
native
Shrub

LAMIACEAE

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

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
2019 Mary Wloch
Salvia columbariae
2020 Ron Vanderhoff
Salvia columbariae
2019 Gary McDonald

Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla
2015 Steven M Norris
Salvia leucophylla
2016 John Doyen
Salvia leucophylla
2019 Janith Johnson

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2019 Susan McDougall
Salvia mellifera
2009 Keir Morse
Salvia mellifera
2006 Steve Matson

Sambucus mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus mexicana
2021 Mike Russler
Sambucus mexicana
2021 Mike Russler
Sambucus mexicana
2020 Diane Etchison

non-native
Perennial herb

ROSACEAE


Sanicula arguta    Sharp toothed sanicle,  Sharp toothed snakeroot,  Sharptooth blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula arguta
2022 Ron Vanderhoff
Sanicula arguta
2017 Diane Etchison
Sanicula arguta
2006 Steve Matson

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2020 Susan McDougall
Sanicula crassicaulis
2020 Ryan Carle
Sanicula crassicaulis
2020 R.A. Chasey

Sanicula tuberosa    Tuberous sanicle,  Turkey pea
native
Perennial herb

APIACEAE

Sanicula tuberosa
2019 Ron Vanderhoff
Sanicula tuberosa
2015 BOB CASE
Sanicula tuberosa
2019 Matt Berger

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Saxifraga californica
2020 Cara Wilcox
Saxifraga californica
2016 Steve Matson
Saxifraga californica
2016 Steve Matson

Schinus molle    Peruvian pepper tree,  Peruvian peppertree
invasive non-native
Tree

ANACARDIACEAE

Schinus molle
2021 stephen rosenthal
Schinus molle
2017 William McCarey
Schinus molle
2000 Joe DiTomaso

Schismus barbatus    Common mediterranean grass,  Old han schismus
invasive non-native
Annual grass

POACEAE

Schismus barbatus
2022 Ron Vanderhoff
Schismus barbatus
2022 Ron Vanderhoff
Schismus barbatus
2022 Ron Vanderhoff

Scrophularia californica ssp. californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica ssp. californica
2019 Aaron Echols
Scrophularia californica ssp. californica
2018 Stacie Wolny
Scrophularia californica ssp. californica
2022 Ken Lunders

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
2017 Jeannine Koshear
Scutellaria tuberosa
2015 David Wolfson
Scutellaria tuberosa
2009 Keir Morse

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

ASTERACEAE

Senecio californicus
2019 Diane Etchison
Senecio californicus
2017 David Wolfson
Senecio californicus
2019 Diane Etchison

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

ASTERACEAE

Senecio flaccidus var. douglasii
2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
2019 Ron Vanderhoff
Senecio flaccidus var. douglasii
2021 Helen Hancock

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
2019 Mary Wloch
Silene gallica
2019 Gary McDonald
Silene gallica
2019 Mary Wloch

Silene laciniata ssp. major    Cardinal catchfly
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. major
2020 David Greenberger
Silene laciniata ssp. major
2017 Scott Henry
Silene laciniata ssp. major
2014 Diane Etchison

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
2020 Nancy Hamlett
Silybum marianum
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
2020 Ron Vanderhoff
Sisymbrium officinale
2022 Julian Geoghegan
Sisymbrium officinale
2021 Ann Garside

Sisymbrium orientale    Indian hedge mustard,  Oriental hedge mustard
non-native
Annual, Perennial herb

BRASSICACEAE

Sisymbrium orientale
2019 Diane Etchison
Sisymbrium orientale
2021 Paul Aigner
Sisymbrium orientale
2021 Ron Vanderhoff

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
2020 Mary Conway
Sisyrinchium bellum
2020 Benjamin Gould
Sisyrinchium bellum
2019 Stacie Wolny

Solanum americanum    American black nightshade,  Common nightshade,  Small flowered nightshade
native
Annual, Perennial herb

SOLANACEAE

Solanum americanum
2014 Steve Matson
Solanum americanum
2019 Gary McDonald
Solanum americanum
2021 David Wolfson

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
2022 Ken Lunders
Solanum douglasii
2018 Debra L. Cook
Solanum douglasii
2017 Zoya Akulova

Solanum nigrum    Black nightshade
non-native
Annual herb

SOLANACEAE

Solanum nigrum
2019 Julian Geoghegan
Solanum nigrum
2019 Patrick Furtado
Solanum nigrum
2021 Mike Russler

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

SOLANACEAE

Solanum xanti
2020 David Greenberger
Solanum xanti
2020 David Greenberger
Solanum xanti
2020 Ron Vanderhoff

Solidago californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago californica
2021 Doug Allshouse
Solidago californica
2020 Ron Vanderhoff
Solidago californica
2021 Dick Rawson

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
2008 Gary McDonald

Sorghum halepense    Johnsongrass
invasive non-native
Perennial grass

POACEAE

Sorghum halepense
2016 Erik Larsen
Sorghum halepense
2019 Jennifer Mo
Sorghum halepense
2009 Zoya Akulova

Spartium junceum    Gorse,  Spanish broom
invasive non-native
Shrub

FABACEAE

Spartium junceum
2020 Ron Vanderhoff
Spartium junceum
2006 Jennifer Naegele
Spartium junceum
2021 Mary Herr

Stachys ajugoides var. rigida    Mexican hedgenettle
native
Perennial herb

LAMIACEAE

Stachys ajugoides var. rigida
2023 Mary Ann Machi
Stachys ajugoides var. rigida
2016 Steve Matson
Stachys ajugoides var. rigida
2016 Steve Matson

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2018 Sheila Lodge
Stachys bullata
2020 Bryant Baker
Stachys bullata
2020 Ken Lunders

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stephanomeria virgata    Rod wirelettuce,  Tall stephanomeria,  Twiggy wreath plant
native
Annual herb

ASTERACEAE

Stephanomeria virgata
2021 Alice Cummings
Stephanomeria virgata
2019 Steven M Norris
Stephanomeria virgata
2022 Helen Hancock

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
2019 Ron Vanderhoff
Symphoricarpos mollis
2020 Cara Wilcox
Symphoricarpos mollis
2019 Ron Vanderhoff

Tauschia arguta    Southern tauschia,  Southern umbrellawort
native
Perennial herb

APIACEAE

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

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
2009 Keir Morse

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

BRASSICACEAE

Thysanocarpus laciniatus
2021 Helen Hancock
Thysanocarpus laciniatus
2008 Keir Morse
Thysanocarpus laciniatus
2021 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

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

ZYGOPHYLLACEAE

Tribulus terrestris
2016 Joan Hampton
Tribulus terrestris
2020 Maura Hay
Tribulus terrestris
2020 Ron Vanderhoff

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

Trichostema lanatum
2017 Ron Vanderhoff
Trichostema lanatum
2019 Diane Etchison
Trichostema lanatum
2019 Diane Etchison

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

TROPAEOLACEAE

Tropaeolum majus
2021 Julie A. Kierstead
Tropaeolum majus
2022 Ryan O'Dell
Tropaeolum majus
2022 Ron Vanderhoff

Typha latifolia    Broadleaf cattail,  Common cattail,  Soft flag
native
Perennial herb (aquatic)

TYPHACEAE

Typha latifolia
2021 Ron Vanderhoff
Typha latifolia
2022 Emily R. Allen
Typha latifolia
2022 Ron Vanderhoff

Ulmus parvifolia    Chinese elm,  Siberian elm
non-native
Tree

ULMACEAE

Ulmus parvifolia
2021 Ron Vanderhoff
Ulmus parvifolia
2020 Ron Vanderhoff
Ulmus parvifolia
2019 Ron Vanderhoff

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2015 Ken Lunders
Umbellularia californica
2020 Diane Etchison
Umbellularia californica
2022 David Strauch

Urtica dioica ssp. holosericea    Giant creek nettle,  Hoary nettle,  Mountain nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. holosericea
2022 Donald Burk
Urtica dioica ssp. holosericea
2019 Hunter Breck
Urtica dioica ssp. holosericea
2021 R.A. Chasey

Urtica urens    Annual stinging nettle,  Dwarf nettle
non-native
Annual herb

URTICACEAE

Urtica urens
2019 Gary McDonald
Urtica urens
2018 Ron Vanderhoff
Urtica urens
2018 Ron Vanderhoff

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

APOCYNACEAE

Vinca major
2020 Julia Markey
Vinca major
2020 Julie A. Kierstead
Vinca major
2021 Ron Vanderhoff

Viola pedunculata    California golden violet,  Johnny jump up
native
Perennial herb

VIOLACEAE

Viola pedunculata
2018 James Gonsman
Viola pedunculata
2014 James Gonsman
Viola pedunculata
2019 Ken Hickman

Vitis girdiana    Desert wild grape,  Southern california grape
native
Vine, Shrub

VITACEAE

Vitis girdiana
2019 Ron Vanderhoff
Vitis girdiana
2006 Tom Greer
Vitis girdiana
2003 Michael Charters

Vulpia myuros var. myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Vulpia myuros var. myuros
2021 Aaron Echols
Vulpia myuros var. myuros
2021 Ron Vanderhoff
Vulpia myuros var. myuros
2022 John Rawlings

Washingtonia robusta    Mexican fan palm
invasive non-native
Tree

ARECACEAE

Washingtonia robusta
2018 Erin Andreatta
Washingtonia robusta
2021 Ron Vanderhoff
Washingtonia robusta
2015 Zoya Akulova

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium
2019 Ron Vanderhoff
Xanthium strumarium
2018 Ron Vanderhoff
Xanthium strumarium
2017 B.J. Dion

Zigadenus fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Zigadenus fremontii
2023 Mary Conway
Zigadenus fremontii
2014 Ron Wolf
Zigadenus fremontii
2019 Adam Chasey