logo Calflora Illustrated Plant List 

Almaden Quicksilver Park
Almaden Quicksilver County Park

Santa Clara County

Olive Zappacosta  / Santa Clara Valley CNPS  (2001-05-07)

Record Detail Nearby Surveys What Grows Here?
483 PLANTS
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

native
Tree

SAPINDACEAE

Acer negundo var. californicum
2019 Robert Sweet
Acer negundo var. californicum
2016 John H Malpas
Acer negundo var. californicum
2019 Ron Vanderhoff

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
2022 Andy Ford
Achillea millefolium
2014 James Gonsman
Achillea millefolium
2023 Ron Vanderhoff

Achyrachaena mollis    Blow-Wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
2015 Diane Etchison
Achyrachaena mollis
2019 Deanna Wargowski
Achyrachaena mollis
2021 Cynthia Powell

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum
2014 Garth Wadsworth
Adenostoma fasciculatum
2021 Ron Vanderhoff
Adenostoma fasciculatum
2017 Angelique Herman

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

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

Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica
2018 Joseph Belli
Aesculus californica
2021 Cyril Guyot
Aesculus californica
2011 Steve Matson

Agoseris grandiflora    Bigflower agoseris,  California dandelion,  Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora
2021 Amber Bedgood
Agoseris grandiflora
2021 Cynthia Powell
Agoseris grandiflora
2020 Diane Etchison

Agoseris heterophylla    Annual agoseris,  Annual mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla
2020 Bob Sweatt
Agoseris heterophylla
2021 Lisa Berry
Agoseris heterophylla
2020 Bob Sweatt

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 hallii    Hall redtop,  Hall's bent grass,  Hall's bentgrass
native
Perennial grass

POACEAE

Agrostis hallii
2021 John Rawlings
Agrostis hallii
2021 John Rawlings
Agrostis hallii
2005 Steve Matson

Agrostis semiverticillata    Water beard grass
non-native
Perennial grass

POACEAE

Agrostis semiverticillata
2022 Ron Vanderhoff
Agrostis semiverticillata
2021 Ron Vanderhoff
Agrostis semiverticillata
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

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

POACEAE

Aira caryophyllea
2019 Gary McDonald
Aira caryophyllea
2005 Steve Matson
Aira caryophyllea
2015 Chris Jaster

Allium serra    Jeweled onion
native
Perennial herb (bulb)

ALLIACEAE

Allium serra
2022 Linnea vonAhn
Allium serra
2019 Matt Berger
Allium serra
2019 Matt Berger

Allium unifolium    One leaf onion,  Oneleaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium unifolium
2017 Hunter Breck
Allium unifolium
2018 Glen Schneider
Allium unifolium
2018 Ken Hickman

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia
2022 David Strauch
Alnus rhombifolia
2014 Garth Wadsworth
Alnus rhombifolia
2008 Zoya Akulova

Amaranthus albus    Pigweed amaranth,  Tumbleweed
non-native
Annual herb

AMARANTHACEAE

Amaranthus albus
2014 Steve Matson
Amaranthus albus
2014 Steve Matson
Amaranthus albus
2018 Ron Vanderhoff

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

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
2016 Camille Nowell
Amaryllis belladonna
2020 Jacob Martin
Amaryllis belladonna
2022 Ron Vanderhoff

Amsinckia menziesii var. intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia menziesii var. intermedia
2020 Matt Berger
Amsinckia menziesii var. intermedia
2019 Ron Vanderhoff
Amsinckia menziesii var. intermedia
2021 David popp

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

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
2017 B.J. Dion
Anagallis arvensis
2019 Barbara Boethling
Anagallis arvensis
2022 Chris McDonald

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

Anaphalis margaritacea
2020 Bob Sweatt
Anaphalis margaritacea
2021 Ken Lunders
Anaphalis margaritacea
2014 James Gonsman

Anthemis arvensis    Corn chamomile
non-native
Annual herb

ASTERACEAE

Anthemis arvensis
2008 Keir Morse
Anthemis arvensis
2016 Richard Spellenberg
Anthemis arvensis
2008 Keir Morse

Anthemis cotula    Dog fennel,  Mayweed, dog fennel,  Stinking chamomile
invasive non-native
Annual herb

ASTERACEAE

Anthemis cotula
2017 Diane Etchison
Anthemis cotula
2019 Nathan Taxel
Anthemis cotula
2019 Dave Beller

Anthriscus caucalis    Bur chervil
non-native
Annual herb, Vine

APIACEAE

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

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

PLANTAGINACEAE

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

Antirrhinum vexillo-calyculatum    Wiry snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum vexillo-calyculatum
2020 Stacie Wolny
Antirrhinum vexillo-calyculatum
2017 Michelle Bosch
Antirrhinum vexillo-calyculatum
2020 Stacie Wolny

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

ROSACEAE

Aphanes occidentalis
2019 Ron Vanderhoff
Aphanes occidentalis
2017 Ron Vanderhoff
Aphanes occidentalis
2020 R.A. Chasey

Aquilegia eximia    Serpentine columbine,  Sticky columbine,  Van Houtte's columbine
native
Perennial herb

RANUNCULACEAE

Aquilegia eximia
2018 Stacie Wolny
Aquilegia eximia
2010 Tony Morosco
Aquilegia eximia
2020 Paul Aigner

Arabis glabra    Tower rockcress
native
Perennial herb

BRASSICACEAE

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

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
2021 Cynthia Powell
Arbutus menziesii
2021 R.A. Chasey
Arbutus menziesii
2021 Hunter Breck

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

ERICACEAE

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

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

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2022 Julia Markey
Artemisia californica
2020 Ron Vanderhoff

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
2013 Brent Morgan
Artemisia douglasiana
2022 Ron Vanderhoff
Artemisia douglasiana
2021 Mike Russler

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

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

Aster chilensis    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Aster chilensis
2020 Suzanne L. Weakley
Aster chilensis
2013 Arcangelo Wessells
Aster chilensis
2018 Stacie Wolny

Aster radulinus    Roughleaf aster
native
Perennial herb

ASTERACEAE

Aster radulinus
2022 Suzanne L. Weakley
Aster radulinus
2022 Bob Sweatt
Aster radulinus
2022 Bob Sweatt

Astragalus gambelianus    Dwarf loco weed,  Gambel's dwarf milk vetch,  Gambel's locoweed
native
Annual herb

FABACEAE

Astragalus gambelianus
2020 Ron Vanderhoff
Astragalus gambelianus
2019 Ron Vanderhoff
Astragalus gambelianus
2022 Mike Russler

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

BRASSICACEAE

Athysanus pusillus
2021 Paul Aigner
Athysanus pusillus
2008 Steve Matson
Athysanus pusillus
2022 Catherine Chang

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

POACEAE

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

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

POACEAE

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

Avena sativa    Common oats,  Cultivated oats,  Wild oat
non-native
Annual, Perennial grass

POACEAE

Avena sativa
2016 Cynthia Powell
Avena sativa
2021 John Rawlings
Avena sativa
2006 Louis-M. Landry

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2022 Ryan O'Dell
Baccharis pilularis
2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
2018 Cynthia Powell

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

ASTERACEAE

Baccharis viminea
2023 Julia Markey
Baccharis viminea
2018 Ron Vanderhoff
Baccharis viminea
2020 Aaron Echols

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

BRASSICACEAE

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

Bellis perennis    English daisy,  English lawn daisy
invasive non-native
Perennial herb

ASTERACEAE

Bellis perennis
2020 Bob Sweatt
Bellis perennis
2020 Bob Sweatt
Bellis perennis
2020 Bob Sweatt

Berberis aquifolium    Mountain grape,  Mountaingrape,  Oregon grape
native
Shrub

BERBERIDACEAE

Berberis aquifolium
2022 Cara Wilcox
Berberis aquifolium
2021 Mike Russler
Berberis aquifolium
2021 Mike Russler

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

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

Brachypodium distachyon    False brome,  Purple false brome
invasive non-native
Annual, Perennial grass

POACEAE

Brachypodium distachyon
2019 Ron Vanderhoff
Brachypodium distachyon
2021 John Rawlings
Brachypodium distachyon
2019 Ron Vanderhoff

Brassica juncea    Brown mustard,  India mustard
non-native
Annual herb

BRASSICACEAE

Brassica juncea
2022 Vernon Smith
Brassica juncea
2020 Zoya Akulova
Brassica juncea
2021 Zoya Akulova

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

Briza minor    Little quaking grass,  Little quakinggrass,  Little rattlesnake grass
non-native
Annual grass

POACEAE

Briza minor
2022 Alice Cummings
Briza minor
2019 Gary McDonald
Briza minor
2019 Gary McDonald

Brodiaea coronaria ssp. coronaria    Crown brodiaea,  Early harvest brodiaea,  Harvest brodiaea
native
Perennial herb (bulb)

THEMIDACEAE

Brodiaea coronaria ssp. coronaria
2021 Dee Shea Himes
Brodiaea coronaria ssp. coronaria
2020 Jeff Bisbee
Brodiaea coronaria ssp. coronaria
2021 Robin Carter

Brodiaea elegans ssp. elegans    Harvest brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea elegans ssp. elegans
2016 Steve Matson
Brodiaea elegans ssp. elegans
2016 Steve Matson
Brodiaea elegans ssp. elegans
2015 Julie A. Kierstead

Bromus carinatus    California brome
native
Perennial grass

POACEAE

Bromus carinatus
2020 Ron Vanderhoff
Bromus carinatus
2021 Neal Kramer
Bromus carinatus
2023 Carolyn Harper

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

POACEAE

Bromus diandrus
2022 Ron Vanderhoff
Bromus diandrus
2021 Richard Spjut
Bromus diandrus
2022 Ron Vanderhoff

Bromus hordeaceus    Soft brome,  Soft chess
invasive non-native
Annual grass

POACEAE

Bromus hordeaceus
2023 Ron Vanderhoff
Bromus hordeaceus
2018 Gary McDonald
Bromus hordeaceus
2018 Gary McDonald

Bromus 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

Bromus trinii    Chilean chess
non-native
Annual grass

POACEAE

Bromus trinii
2023 John Rawlings
Bromus trinii
2006 Steve Matson
Bromus trinii
2006 Steve Matson

Calandrinia ciliata    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2019 Ron Vanderhoff
Calandrinia ciliata
2019 Ron Vanderhoff

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
2019 David Greenberger
Calochortus albus
2019 Cynthia Powell
Calochortus albus
2009 Bob Case

Calochortus luteus    Yellow mariposa lily
native
Perennial herb

LILIACEAE

Calochortus luteus
2014 Steve Matson
Calochortus luteus
2016 Melissa Mooney
Calochortus luteus
2023 Ryan O'Dell

Calochortus venustus    Butterfly mariposa lily
native
Perennial herb

LILIACEAE

Calochortus venustus
2019 Randy Huey
Calochortus venustus
Geoff Burleigh
Calochortus venustus
2012 Zack Abbey

Calystegia purpurata ssp. purpurata    Pacific false bindweed,  Purple western morning glory,  Smooth western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia purpurata ssp. purpurata
2021 Cara Wilcox
Calystegia purpurata ssp. purpurata
2014 James Gonsman
Calystegia purpurata ssp. purpurata
2020 Robert Steers

Calystegia subacaulis    Hill morning glory,  Hillside false bindweed,  Stemless morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia subacaulis
2022 R.A. Chasey
Calystegia subacaulis
2022 R.A. Chasey
Calystegia subacaulis
2021 Wynter Nardi

Camissonia graciliflora    Hill sun cup
native
Annual herb

ONAGRACEAE

Camissonia graciliflora
2021 Charles Russell
Camissonia graciliflora
2009 Keir Morse
Camissonia graciliflora
2010 Richard Spjut

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 californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

Cardamine californica
2020 Barbara Peck
Cardamine californica
2019 Ron Vanderhoff
Cardamine californica
2019 Ron Vanderhoff

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

BRASSICACEAE

Cardamine oligosperma
2008 Steve Matson
Cardamine oligosperma
2013 Emily Wong
Cardamine oligosperma
2013 Ron Wolf

Cardaria draba    Whitetop
invasive non-native
Perennial herb

BRASSICACEAE

Cardaria draba
2020 Ron Vanderhoff
Cardaria draba
2021 Mike Russler
Cardaria draba
2020 Ron Vanderhoff

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 serratodens    Bifid sedge,  Two tooth sedge
native
Perennial grasslike herb

CYPERACEAE

Carex serratodens
2019 Steve Matson
Carex serratodens
2019 Steve Matson
Carex serratodens
2021 Cynthia Powell

Carex tumulicola    Foothill sedge,  Slender sedge,  Split awn sedge
native
Perennial grasslike herb

CYPERACEAE

Carex tumulicola
2017 David Greenberger
Carex tumulicola
2021 John Rawlings
Carex tumulicola
2021 John Rawlings

Carthamus baeticus    Smooth distaff thistle
non-native
Annual herb

ASTERACEAE

Carthamus baeticus
2016 Amanda Mills
Carthamus baeticus
2020 Angelique Herman
Carthamus baeticus
2020 Angelique Herman

Carthamus lanatus    Woolly distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus lanatus
2019 Lenihan Mazur
Carthamus lanatus
2019 Danielle Carney
Carthamus lanatus
2019 Danielle Carney

Castilleja affinis    Indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis
2019 Aleksandra Evert
Castilleja affinis
2019 Diane Etchison
Castilleja affinis
2019 Diane Etchison

Castilleja attenuata    Narrow leaved owl's clover,  Valley tassels
native
Annual herb

OROBANCHACEAE

Castilleja attenuata
2009 BOB CASE
Castilleja attenuata
2023 R.A. Chasey
Castilleja attenuata
2022 Mike Russler

Castilleja densiflora    Dense flower owl's clover,  Denseflower indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja densiflora
2023 Caitlin Kreutz
Castilleja densiflora
2019 David Greenberger
Castilleja densiflora
2016 Andrew Longman

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa
2019 Ron Vanderhoff
Castilleja foliolosa
2019 Diane Etchison
Castilleja foliolosa
2019 Diane Etchison

Castilleja subinclusa ssp. franciscana    Franciscan paintbrush,  Longleaf indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja subinclusa ssp. franciscana
2020 Hunter Breck
Castilleja subinclusa ssp. franciscana
2014 James Gonsman
Castilleja subinclusa ssp. franciscana
2014 James Gonsman

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

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

Ceanothus papillosus var. papillosus    warty-leaf ceanothus,  Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus var. papillosus
2022 Justin Luong
Ceanothus papillosus var. papillosus
2019 Susan McDougall
Ceanothus papillosus var. papillosus
2021 Mary Conway

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
2021 R.A. Chasey
Centaurea calcitrapa
2019 MCOSD EDRR
Centaurea calcitrapa
2022 R.A. Chasey

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

ASTERACEAE

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

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

ASTERACEAE

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

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

CARYOPHYLLACEAE

Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2023 Ron Vanderhoff
Cerastium glomeratum
2007 Carol W. Witham

Cercocarpus betuloides    Birch leaf mountain mahogany,  Mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides
2020 Rebecca Schoenenberger
Cercocarpus betuloides
2020 Aaron Echols
Cercocarpus betuloides
2016 Cindy Roessler

Chamomilla suaveolens    Pineapple weed
native
Annual herb

ASTERACEAE

Chamomilla suaveolens
2008 Steve Matson
Chamomilla suaveolens
2019 Diane Etchison
Chamomilla suaveolens
2018 Stacie Wolny

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 californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
2023 Mike Russler
Chenopodium californicum
2023 Mike Russler
Chenopodium californicum
2023 Mike Russler

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

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

ASTERACEAE

Cirsium occidentale var. venustum
2020 Stacie Wolny
Cirsium occidentale var. venustum
2010 James M. Andre
Cirsium occidentale var. venustum
2020 Sara Timby

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

Clarkia amoena    Farewell to spring
native
Annual herb

ONAGRACEAE

Clarkia amoena
2018 Anna Sereno
Clarkia amoena
2019 Steve Conger
Clarkia amoena
2011 Barry Breckling

Clarkia purpurea    Purple clarkia,  Winecup clarkia
native
Annual herb

ONAGRACEAE

Clarkia purpurea
2022 Ron Vanderhoff
Clarkia purpurea
2019 Stacie Wolny
Clarkia purpurea
2021 Mary Conway

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

ONAGRACEAE

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

Clarkia purpurea ssp. viminea    Large godetia,  Purple clarkia,  Winecup clarkia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. viminea
2020 Steve Laymon
Clarkia purpurea ssp. viminea
2020 Steve Laymon
Clarkia purpurea ssp. viminea
2020 Steve Laymon

Clarkia rubicunda    Farewell to spring,  Reddened clarkia,  Ruby chalice clarkia
native
Annual herb

ONAGRACEAE

Clarkia rubicunda
2019 Stacie Wolny
Clarkia rubicunda
2021 John Game
Clarkia rubicunda
2019 Stacie Wolny

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 exigua ssp. exigua    Little spring beauty,  Serpentine springbeauty,  Viridis
native
Annual herb

MONTIACEAE

Claytonia exigua ssp. exigua
2021 Zoya Akulova-Barlow
Claytonia exigua ssp. exigua
2022 Mike Russler
Claytonia exigua ssp. exigua
2003 James B. Gratiot

Claytonia gypsophiloides    Gypsum spring beauty,  Gypsum springbeauty
native
Annual herb

MONTIACEAE

Claytonia gypsophiloides
2021 Miao Ling He
Claytonia gypsophiloides
2019 William Lundgren
Claytonia gypsophiloides
2023 R.A. Chasey

Claytonia perfoliata ssp. perfoliata    Claytonia,  Miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
2008 Steve Matson

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 David Greenberger
Collinsia heterophylla
2019 Ron Vanderhoff

Collinsia multicolor    San Francisco blue eyed mary,  San Francisco collinsia
rare native
Annual herb

PLANTAGINACEAE

Collinsia multicolor
2022 Janell Hillman
Collinsia multicolor
2019 Ken Hickman
Collinsia multicolor
2018 Barry Thomson

Collinsia sparsiflora var. collina    Hillside collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. collina
2021 Helen Hancock
Collinsia sparsiflora var. collina
2022 Mike Russler
Collinsia sparsiflora var. collina
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

Corallorhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorhiza striata
2021 Mary Ann Machi
Corallorhiza striata
2022 Steve Conger
Corallorhiza striata
2019 Timothy Boomer

Cordylanthus pilosus    Hairy bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus pilosus
2017 Jill Beckett
Cordylanthus pilosus
2016 Margaret Flaherty
Cordylanthus pilosus
2020 Paul Aigner

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

OROBANCHACEAE

Cordylanthus rigidus
2021 Ron Vanderhoff
Cordylanthus rigidus
2021 Patrick Furtado
Cordylanthus rigidus
2009 Keir Morse

Cornus glabrata    Brown dogwood
native
Tree, Shrub

CORNACEAE

Cornus glabrata
2021 Donald Burk
Cornus glabrata
2020 Susan McDougall
Cornus glabrata
2019 Richard Spjut

Cortaderia selloana    Uruguayan pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia selloana
2023 Donald Burk
Cortaderia selloana
2023 Randall English
Cortaderia selloana
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

Crepis capillaris    Hawksbeard,  Smooth hawk's beard,  Smooth hawksbeard
non-native
Annual, Perennial herb

ASTERACEAE

Crepis capillaris
2003 Steve Matson
Crepis capillaris
2003 Steve Matson
Crepis capillaris
2019 Randy Huey

Crepis vesicaria ssp. taraxacifolia    Beaked hawksbeard,  Weedy hawksbeard
non-native
Annual, Perennial herb

ASTERACEAE

Crepis vesicaria ssp. taraxacifolia
2011 Toni Corelli
Crepis vesicaria ssp. taraxacifolia
2011 Toni Corelli
Crepis vesicaria ssp. taraxacifolia
2010 Toni Corelli

Crypsis schoenoides    Swamp grass,  Swamp picklegrass,  Swamp pricklegrass
non-native
Annual grass

POACEAE

Crypsis schoenoides
2017 Ron Vanderhoff
Crypsis schoenoides
2021 Cynthia Powell
Crypsis schoenoides
2018 Ron Vanderhoff

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

BORAGINACEAE

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

Cryptantha 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

Cupressus sempervirens    Italian cypress
non-native
Tree

CUPRESSACEAE

Cupressus sempervirens
2022 Ron Vanderhoff
Cupressus sempervirens
2022 Ron Vanderhoff
Cupressus sempervirens
2016 Zoya Akulova

Cynoglossum grande    Hound's tongue,  Western houndstongue,  Adelinia
native
Perennial herb

BORAGINACEAE

Cynoglossum grande
2019 Eliezer Margolis
Cynoglossum grande
2021 Dee Shea Himes
Cynoglossum grande
2022 David Strauch

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus
2017 Gary McDonald
Cynosurus echinatus
2010 Julie A. Kierstead
Cynosurus echinatus
2022 Ron Vanderhoff

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

Datura stramonium    Jimson weed,  Jimsonweed
non-native
Annual herb

SOLANACEAE

Datura stramonium
2011 Steve Matson
Datura stramonium
2011 Steve Matson
Datura stramonium
2020 Ron Vanderhoff

Datura stramonium var. tatula    Jimson weed,  Jimsonweed
non-native
Annual herb

SOLANACEAE

Datura stramonium var. tatula
2011 Steve Matson
Datura stramonium var. tatula
2011 Steve Matson
Datura stramonium var. tatula
2020 Ron Vanderhoff

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
2019 Diane Etchison
Daucus pusillus
2022 David Wolfson
Daucus pusillus
2021 Ken Lunders

Delphinium patens    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens
2018 James Gonsman
Delphinium patens
2012 Gary McDonald
Delphinium patens
2020 Amy Rapport

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2021 John Rawlings
Deschampsia elongata
2009 Adonis (Don) Tate

Desmazeria rigida    Ferngrass,  Hard bluegrass
non-native
Annual grass

POACEAE

Desmazeria rigida
2020 Jennifer Mo
Desmazeria rigida
2018 Ron Vanderhoff
Desmazeria rigida
2017 Neal Kramer

Dichelostemma capitatum    Blue dicks
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum
2021 Sue Graue
Dichelostemma capitatum
2020 Bryant Baker
Dichelostemma capitatum
2020 Cheryl Ballantyne

Dichelostemma congestum    Fork toothed ookow,  Ookow
native
Perennial herb

THEMIDACEAE

Dichelostemma congestum
2017 Gary Morgret
Dichelostemma congestum
2019 Suzanne L. Weakley
Dichelostemma congestum
2023 Teal Derrer

Dipsacus sativus    Fuller's teasel,  Indian teasel
invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dipsacus sativus
2019 Danielle Carney
Dipsacus sativus
2022 Jennifer Mo
Dipsacus sativus
2022 David Strauch

Disporum hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Disporum hookeri
2019 Stacie Wolny
Disporum hookeri
2020 Ken Lunders
Disporum hookeri
2019 Stacie Wolny

Dodecatheon clevelandii ssp. sanctarum    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon clevelandii ssp. sanctarum
2019 Mary Conway
Dodecatheon clevelandii ssp. sanctarum
2009 Keir Morse
Dodecatheon clevelandii ssp. sanctarum
2009 Keir Morse

Dodecatheon hendersonii    Mosquito bill
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii
2020 BLM Redding Field Office
Dodecatheon hendersonii
2017 John Game
Dodecatheon hendersonii
2022 Jamie Spielmann

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

DRYOPTERIDACEAE

Dryopteris arguta
2018 James Gonsman
Dryopteris arguta
2019 Rebecca Crowe
Dryopteris arguta
2023 Julia Markey

Dudleya cymosa ssp. cymosa    Canyon dudleya,  Canyon liveforever
native
Perennial herb

CRASSULACEAE

Dudleya cymosa ssp. cymosa
2020 R.A. Chasey
Dudleya cymosa ssp. cymosa
2014 James Gonsman
Dudleya cymosa ssp. cymosa
2019 Chico Hiking Association

Dudleya setchellii    Santa clara valley dudleya
rare native
Perennial herb

CRASSULACEAE

Dudleya setchellii
2019 Paul Hankamp
Dudleya setchellii
2008 Verna Jigour
Dudleya setchellii
2008 Verna Jigour

Eleocharis acicularis    Needle spike rush,  Needle spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis acicularis
2022 Ken-ichi Ueda
Eleocharis acicularis
2021 Ron Vanderhoff
Eleocharis acicularis
2019 Julia King

Elymus glaucus    Blue wildrye
native
Perennial grass

POACEAE

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

Elymus glaucus ssp. jepsonii    Blue wild rye,  Blue wildrye,  Western rye grass
native
Perennial grass

POACEAE

Elymus glaucus ssp. jepsonii
2014 Toni Corelli
Elymus glaucus ssp. jepsonii
2021 Arlee Montalvo
Elymus glaucus ssp. jepsonii
2022 Ron Vanderhoff

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
2019 David popp
Elymus multisetus
2019 Ron Vanderhoff
Elymus multisetus
2021 Denise Defreese

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

HYDROPHYLLACEAE

Emmenanthe penduliflora
2016 Steven M Norris
Emmenanthe penduliflora
2021 Aaron Echols
Emmenanthe penduliflora
2018 Ron Vanderhoff

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

ONAGRACEAE

Epilobium brachycarpum
2015 Ron Vanderhoff
Epilobium brachycarpum
2019 Ramona Robison
Epilobium brachycarpum
2020 Ron Vanderhoff

Epilobium canum    California fuchsia,  Hummingbird trumpet,  zauschneria
native
Perennial herb

ONAGRACEAE

Epilobium canum
2018 Ron Vanderhoff
Epilobium canum
2015 Gerald Carr
Epilobium canum
2019 Rebecca Schoenenberger

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

ONAGRACEAE

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

Epilobium minutum    Chaparral willowherb,  Desert willow herb,  Little willowherb
native
Annual herb

ONAGRACEAE

Epilobium minutum
2017 Michael Mitchell
Epilobium minutum
2021 R.A. Chasey
Epilobium minutum
2009 Keir Morse

Eremocarpus setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus
2018 Rachelle Gray
Eremocarpus setigerus
2011 Steve Matson
Eremocarpus setigerus
2011 Steve Matson

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

NAMACEAE

Eriodictyon californicum
2023 Suzanne L. Weakley
Eriodictyon californicum
2022 BOB CASE
Eriodictyon californicum
2020 Julie A. Kierstead

Eriogonum luteolum var. luteolum    Golden buckwheat,  Goldencarpet buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum luteolum var. luteolum
2021 Charles Russell
Eriogonum luteolum var. luteolum
2021 Charles Russell
Eriogonum luteolum var. luteolum
2011 Steve Matson

Eriogonum nudum    Naked buckwheat,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum
2020 Stacie Wolny
Eriogonum nudum
2020 Stacie Wolny
Eriogonum nudum
2020 Stacie Wolny

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

Eryngium aristulatum    California eryngo,  Jepson's button celery
native
Perennial herb

APIACEAE

Eryngium aristulatum
2012 Keir Morse
Eryngium aristulatum
2023 Caitlin Kreutz
Eryngium aristulatum
2012 Keir Morse

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
2020 Jennifer Mo
Eucalyptus globulus
2022 Ryan O'Dell
Eucalyptus globulus
2021 Cynthia Powell

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
2021 R.A. Chasey
Euphorbia spathulata
2014 Steve Matson
Euphorbia spathulata
2014 Steve Matson

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
2021 Steve Matson
Euthamia occidentalis
2018 Ron Vanderhoff
Euthamia occidentalis
2018 Ron Vanderhoff

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
2019 Justin Luong
Festuca californica
2022 Justin Luong
Festuca californica
2012 Aaron Arthur

Filago californica    California cottonrose
native
Annual herb

ASTERACEAE

Filago californica
2019 Steve Matson
Filago californica
2019 Steve Matson
Filago californica
2019 Matt Berger

Filago gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Filago gallica
2015 jamie smith
Filago gallica
2013 Keir Morse
Filago gallica
2017 Barbara Boethling

Fritillaria affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis
2017 Steve Matson
Fritillaria affinis
2008 Steve Matson
Fritillaria affinis
2020 Karen Swift

Fritillaria liliacea    Fragrant fritillary
rare native
Perennial herb (bulb)

LILIACEAE

Fritillaria liliacea
2023 Ken-ichi Ueda
Fritillaria liliacea
2017 Steve Matson
Fritillaria liliacea
2017 Steve Matson

Galium andrewsii    Needlemat galium,  Phlox leaved bedstraw,  Phloxleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii
2022 Mike Russler
Galium andrewsii
2019 Marisa Persaud
Galium andrewsii
2022 Mike Russler

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

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

Galium murale    Tiny bedstraw,  Yellow wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium murale
2022 R.A. Chasey
Galium murale
2021 Cameron Chabre
Galium murale
2014 Bryan Derr

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 Ron Vanderhoff

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
2004 Michael Charters
Garrya elliptica
2020 John Rawlings
Garrya elliptica
2020 Eliezer Margolis

Gastridium ventricosum    Nit grass
non-native
Annual grass

POACEAE

Gastridium ventricosum
2020 Ron Vanderhoff
Gastridium ventricosum
2020 Ron Vanderhoff
Gastridium ventricosum
2021 Paul Aigner

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff
Genista monspessulana
2019 Ron Vanderhoff

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 molle    Crane's bill geranium,  Dove's foot geranium,  Dovefoot geranium
invasive non-native
Annual, Perennial herb

GERANIACEAE

Geranium molle
2008 Steve Matson
Geranium molle
2008 Steve Matson
Geranium molle
2022 Elizabeth Harreschou

Gilia achilleifolia    California gilia
native
Annual herb

POLEMONIACEAE

Gilia achilleifolia
2022 R.A. Chasey
Gilia achilleifolia
2022 Helen Hancock
Gilia achilleifolia
2018 Jason Matthias Mills

Gilia achilleifolia ssp. multicaulis    Many stemmed california gilia,  Many stemmed gilia
native
Annual herb

POLEMONIACEAE

Gilia achilleifolia ssp. multicaulis
2023 R.A. Chasey
Gilia achilleifolia ssp. multicaulis
2022 Ron Vanderhoff
Gilia achilleifolia ssp. multicaulis
2021 Ron Vanderhoff

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

POLEMONIACEAE

Gilia tricolor
2020 Amy Rapport
Gilia tricolor
2022 Steve Matson
Gilia tricolor
2016 Richard Chasey

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

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
2021 Ron Vanderhoff

Gnaphalium purpureum    Featherweed
native
Perennial herb

ASTERACEAE

Gnaphalium purpureum
2019 Gary McDonald
Gnaphalium purpureum
2021 Zoya Akulova-Barlow
Gnaphalium purpureum
2019 Gary McDonald

Gnaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

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

Grindelia camporum    Common gumplant,  Great valley gumweed,  Gum plant
native
Perennial herb

ASTERACEAE

Grindelia camporum
2023 R.A. Chasey
Grindelia camporum
2019 Ron Vanderhoff
Grindelia camporum
2019 Ron Vanderhoff

Guillenia lasiophylla    California mustard
native
Annual herb

BRASSICACEAE

Guillenia lasiophylla
2023 Steve Matson
Guillenia lasiophylla
2019 Paul Aigner
Guillenia lasiophylla
2020 Matt Berger

Hainardia cylindrica    Barbgrass,  Monerma,  Thin tail
non-native
Annual grass

POACEAE

Hainardia cylindrica
2022 Denise Defreese
Hainardia cylindrica
2009 Neal Kramer
Hainardia cylindrica
2009 Neal Kramer

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
2019 Patrick Furtado
Helenium puberulum
2013 Toni Corelli
Helenium puberulum
2015 Stephen Rosenthal

Helianthella castanea    Mt. diablo helianthella
rare native
Perennial herb

ASTERACEAE

Helianthella castanea
2022 Michael L. Uhler
Helianthella castanea
2019 Adam Chasey
Helianthella castanea
2019 David Greenberger

Heliotropium curassavicum    Chinese parsley,  Heliotrope,  Salt heliotrope
native
Perennial herb

HELIOTROPIACEAE

Heliotropium curassavicum
2019 Aaron Echols
Heliotropium curassavicum
2021 Mary Wloch
Heliotropium curassavicum
2019 Wyatt Dooley

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2013 Arcangelo Wessells
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey
Hemizonia congesta ssp. luzulifolia
2022 R.A. Chasey

Hemizonia fitchii    Spikeweed
native
Annual herb

ASTERACEAE

Hemizonia fitchii
2015 Steve Matson
Hemizonia fitchii
2019 Julie Kierstead Nelson
Hemizonia fitchii
2021 Mike Russler

Hemizonia luzulifolia ssp. rudis    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia luzulifolia ssp. rudis
2013 Arcangelo Wessells
Hemizonia luzulifolia ssp. rudis
2022 R.A. Chasey
Hemizonia luzulifolia ssp. rudis
2022 R.A. Chasey

Hemizonia pungens ssp. pungens    Common tarweed
native
Annual herb

ASTERACEAE

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

Heracleum lanatum    Common cow parsnip
native
Perennial herb

APIACEAE

Heracleum lanatum
2019 Bob Sweatt
Heracleum lanatum
2008 Neal Kramer
Heracleum lanatum
2021 Julie A. Kierstead

Hesperevax sparsiflora    Erect dwarf cudweed,  Erect evax,  Few flowered evax
native
Annual herb

ASTERACEAE

Hesperevax sparsiflora
2022 R.A. Chasey
Hesperevax sparsiflora
2022 R.A. Chasey
Hesperevax sparsiflora
2022 R.A. Chasey

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

URTICACEAE

Hesperocnide tenella
2019 David Greenberger
Hesperocnide tenella
2023 Ken-ichi Ueda
Hesperocnide tenella
2020 Ken Hickman

Hesperolinon micranthum    Common dwarf flax,  Small flower western flax,  Small flowered dwarf flax
native
Annual herb

LINACEAE

Hesperolinon micranthum
2020 David Greenberger
Hesperolinon micranthum
2023 R.A. Chasey
Hesperolinon micranthum
2021 R.A. Chasey

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

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

ASTERACEAE

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

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

BRASSICACEAE

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

Hoita macrostachya    California hemp,  Large leather root
native
Perennial herb

FABACEAE

Hoita macrostachya
2021 Jamie Spielmann
Hoita macrostachya
2009 Lynn Watson
Hoita macrostachya
2021 Jamie Spielmann

Hoita strobilina    Loma prieta psoralea
rare native
Perennial herb

FABACEAE

Hoita strobilina
2020 Stacie Wolny
Hoita strobilina
2004 Janell Hillman
Hoita strobilina
2022 John Holback

Holodiscus discolor    Cream bush,  Ocean spray,  Oceanspray
native
Shrub

ROSACEAE

Holodiscus discolor
2019 Bob Sweatt
Holodiscus discolor
2020 Camille Nowell
Holodiscus discolor
2023 Doug Zimmerman

Hordeum brachyantherum    Meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum
2021 Cynthia Powell
Hordeum brachyantherum
2015 Steve Matson
Hordeum brachyantherum
2021 John Rawlings

Hordeum brachyantherum ssp. californicum    California barley,  California meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum ssp. californicum
2021 Cynthia Powell
Hordeum brachyantherum ssp. californicum
2023 John Rawlings
Hordeum brachyantherum ssp. californicum
2021 John Rawlings

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
2018 Carolyn
Hordeum marinum ssp. gussoneanum
2020 Paul Aigner
Hordeum marinum ssp. gussoneanum
2017 Toni Corelli

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

POACEAE

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

Hordeum vulgare    Common barley
non-native
Annual grass

POACEAE

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

Horkelia californica ssp. frondosa    California horkelia
native
Perennial herb

ROSACEAE

Horkelia californica ssp. frondosa
2022 Mark Gary
Horkelia californica ssp. frondosa
2016 John Doyen
Horkelia californica ssp. frondosa
2016 John Doyen

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

Hypochaeris radicata    Hairy cats ear,  Hairy catsear,  Rough cat's ear
invasive non-native
Perennial herb

ASTERACEAE

Hypochaeris radicata
2011 Michael Mitchell
Hypochaeris radicata
2017 Gary McDonald
Hypochaeris radicata
2016 Michael Mitchell

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
2020 Susan McDougall
Iris douglasiana
2019 Patrick Furtado
Iris douglasiana
2022 Suzanne L. Weakley

Iris macrosiphon    Bowltube iris,  Ground iris,  Long tubed iris
native
Perennial herb

IRIDACEAE

Iris macrosiphon
2017 Steve Matson
Iris macrosiphon
2018 James Gonsman
Iris macrosiphon
2019 Gabe Cashman

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
2019 Ron Vanderhoff
Juncus bufonius
2019 Ron Vanderhoff
Juncus bufonius
2004 James M. Andre

Juncus effusus var. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

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

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2022 R.A. Chasey
Juncus patens
2022 R.A. Chasey
Juncus patens
2008 Neal Kramer

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
2016 Erik Larsen
Juncus xiphioides
2017 Ron Vanderhoff
Juncus xiphioides
2023 R.A. Chasey

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
2020 Matt Berry
Koeleria macrantha
2015 Steve Matson
Koeleria macrantha
2015 Steve Matson

Lactuca saligna    Narrow leaved wild lettuce,  Willow lettuce,  Willowleaf lettuce
non-native
Annual herb

ASTERACEAE

Lactuca saligna
2021 Don Hollander
Lactuca saligna
2019 Stacie Wolny
Lactuca saligna
2021 Don Hollander

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

ASTERACEAE

Lactuca serriola
2017 Gary McDonald
Lactuca serriola
2020 Mark Kircher
Lactuca serriola
2009 Neal Kramer

Lactuca virosa    Bitter lettuce,  Poison wild lettuce
non-native
Perennial herb

ASTERACEAE

Lactuca virosa
2019 Randy Huey
Lactuca virosa
2022 R.A. Chasey
Lactuca virosa
2010 Cynthia Powell

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

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

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

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

LAMIACEAE

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

Lasthenia californica    California goldfields,  Common goldfields,  Valley goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica
2017 David Greenberger
Lasthenia californica
2020 Susan White
Lasthenia californica
2017 MCOSD EDRR

Lasthenia maritima    Maritime goldfields,  Seaside goldfields
native
Annual herb

ASTERACEAE

Lasthenia maritima
2015 Richard Chasey
Lasthenia maritima
2013 Robert Steers/NPS
Lasthenia maritima
2013 Robert Steers/NPS

Lathyrus latifolius    Everlasting pea,  Perennial pea,  Perennial sweet pea
non-native
Perennial herb

FABACEAE

Lathyrus latifolius
2020 Jutta Burger
Lathyrus latifolius
2019 Cynthia Powell
Lathyrus latifolius
2021 Sherry Adams

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
2015 Chris Jaster

Layia gaillardioides    Woodland layia,  Woodland tidytips
native
Annual herb

ASTERACEAE

Layia gaillardioides
2022 John Rawlings
Layia gaillardioides
2019 John Rawlings
Layia gaillardioides
2022 Ryan O'Dell

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
2019 Stacie Wolny
Lepechinia calycina
2020 Amy Rapport
Lepechinia calycina
2020 Mary Conway

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

BRASSICACEAE

Lepidium nitidum
2020 Linda Pardy
Lepidium nitidum
2019 Gary McDonald
Lepidium nitidum
2016 Steve Matson

Lepidium strictum    Peppergrass,  Prostrate pepper grass,  Upright pepperweed
native
Annual herb

BRASSICACEAE

Lepidium strictum
2020 Julie A. Kierstead
Lepidium strictum
2008 Keir Morse
Lepidium strictum
2011 Zoya Akulova

Lessingia micradenia var. glabrata    Smooth lessingia
rare native
Annual herb

ASTERACEAE

Lessingia micradenia var. glabrata
2019 Ken Hickman
Lessingia micradenia var. glabrata
2020 R.A. Chasey
Lessingia micradenia var. glabrata
2020 R.A. Chasey

Leymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Leymus triticoides
2018 Ron Vanderhoff
Leymus triticoides
2021 Ron Vanderhoff
Leymus triticoides
2018 Rachelle Gray

Linanthus ambiguus    Serpentine leptosiphon
rare native
Annual herb

POLEMONIACEAE

Linanthus ambiguus
2019 David Greenberger
Linanthus ambiguus
2019 Paul Hankamp
Linanthus ambiguus
2018 Elinor Gates

Linanthus androsaceus    False babystars
native
Annual herb

POLEMONIACEAE

Linanthus androsaceus
2010 Jeffrey Hapeman
Linanthus androsaceus
2020 R.A. Chasey
Linanthus androsaceus
2014 James Gonsman

Linanthus bicolor    True babystars
native
Annual herb

POLEMONIACEAE

Linanthus bicolor
2019 David Greenberger
Linanthus bicolor
2008 Steve Matson
Linanthus bicolor
2008 Steve Matson

Linanthus ciliatus    Whiskerbrush
native
Annual herb

POLEMONIACEAE

Linanthus ciliatus
2020 Bob Sweatt
Linanthus ciliatus
2020 Bob Sweatt
Linanthus ciliatus
2018 Glenn Fine

Linanthus dichotomus    Evening snow,  Eveningsnow
native
Annual herb

POLEMONIACEAE

Linanthus dichotomus
2019 Jacob Smith
Linanthus dichotomus
2016 Ray Gill
Linanthus dichotomus
2019 Jacob Smith

Linanthus liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

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

Linanthus parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Linanthus parviflorus
2008 Keir Morse
Linanthus parviflorus
2008 Keir Morse
Linanthus parviflorus
2008 Keir Morse

Linaria canadensis    Canada toadflax
native
Annual, Biennial herb

PLANTAGINACEAE

Linaria canadensis
2019 Mary Conway
Linaria canadensis
2019 Mary Conway
Linaria canadensis
2016 Keir Morse

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

SAXIFRAGACEAE

Lithophragma affine
2017 Bonnie Nickel
Lithophragma affine
2022 Mike Russler
Lithophragma affine
2019 Diane Etchison

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

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

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

Lomatium dasycarpum    Hog fennel,  Lace parsnip,  Woolly fruited lomatium
native
Perennial herb

APIACEAE

Lomatium dasycarpum
2020 R.A. Chasey
Lomatium dasycarpum
2019 Diane Etchison
Lomatium dasycarpum
2003 Michael Charters

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

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

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

APIACEAE

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

Lonicera hispidula var. vacillans    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula var. vacillans
2019 Stacie Wolny
Lonicera hispidula var. vacillans
2019 Stacie Wolny
Lonicera hispidula var. vacillans
2021 Bryant Baker

Lotus humistratus    Short podded lotus
native
Annual herb

FABACEAE

Lotus humistratus
2005 Steve Matson
Lotus humistratus
2005 Steve Matson
Lotus humistratus
2018 Steve Matson

Lotus purshianus var. purshianus    American bird's foot trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Lotus purshianus var. purshianus
2019 Ron Vanderhoff
Lotus purshianus var. purshianus
2019 Matt Berger
Lotus purshianus var. purshianus
2017 David Wolfson

Lotus scoparius    Deerweed
native
Perennial herb

FABACEAE

Lotus scoparius
2021 Ron Vanderhoff
Lotus scoparius
2019 Diane Etchison
Lotus scoparius
2020 Bryant Baker

Lotus wrangelianus    Chilean trefoil
native
Annual herb

FABACEAE

Lotus wrangelianus
2021 Jamie Spielmann
Lotus wrangelianus
2018 Gary McDonald
Lotus wrangelianus
2022 Richard Sullivan

Lupinus albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons
2022 Mike Russler
Lupinus albifrons
2022 Steve Conger
Lupinus albifrons
2022 Ron Vanderhoff

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

FABACEAE

Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2022 Mike Russler
Lupinus bicolor
2019 Gary McDonald

Lupinus latifolius var. latifolius    Broad leaf lupine
native
Perennial herb

FABACEAE

Lupinus latifolius var. latifolius
2021 John Rawlings
Lupinus latifolius var. latifolius
2020 Paul Aigner
Lupinus latifolius var. latifolius
2009 Thomas Stoughton

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

FABACEAE

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

Lupinus nanus    Sky lupine
native
Annual herb

FABACEAE

Lupinus nanus
2023 R.A. Chasey
Lupinus nanus
2019 Mary Conway
Lupinus nanus
2016 Steve Matson

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

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny

Luzula comosa    Common wood rush,  Hairy wood rush,  Pacific woodrush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa
2019 Matt Berger
Luzula comosa
2022 Mike Russler
Luzula comosa
2022 Mike Russler

Lythrum hyssopifolium    Hyssop loosestrife
invasive non-native
Annual, Perennial herb

LYTHRACEAE

Lythrum hyssopifolium
2019 Diane Etchison
Lythrum hyssopifolium
2021 Cynthia Powell
Lythrum hyssopifolium
2020 Ron Vanderhoff

Madia elegans ssp. densifolia    Common madia
native
Annual herb

ASTERACEAE

Madia elegans ssp. densifolia
2021 Jamie Spielmann
Madia elegans ssp. densifolia
2021 Mike Russler
Madia elegans ssp. densifolia
2020 Diane Etchison

Madia exigua    Little tarweed,  Meager tarweed,  Small tarweed
native
Annual herb

ASTERACEAE

Madia exigua
2021 Helen Hancock
Madia exigua
2023 Ron Vanderhoff
Madia exigua
2021 Steve Laymon

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
2019 Ron Vanderhoff
Madia gracilis
2021 Amber Bedgood
Madia gracilis
2019 Ron Vanderhoff

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
2013 Ron Vanderhoff
Madia sativa
2021 David Wolfson
Madia sativa
2021 Zoya Akulova-Barlow

Malacothamnus fasciculatus    Chaparral bush mallow
native
Shrub

MALVACEAE

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

Malva nicaeensis    Bull mallow
non-native
Annual herb

MALVACEAE

Malva nicaeensis
2015 Mike Morales
Malva nicaeensis
2020 Ron Vanderhoff
Malva nicaeensis
2020 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

Marah fabaceus    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabaceus
2018 Karen Scheuermann
Marah fabaceus
2021 Cyril Guyot
Marah fabaceus
2018 Gary McDonald

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2013 Gary McDonald
Marrubium vulgare
2015 Diane Etchison
Marrubium vulgare
2018 Nancy Hamlett

Medicago orbicularis    Blackdisk medick,  Buttonclover,  Round leafed medick
non-native
Annual herb

FABACEAE

Medicago orbicularis
2007 Luigi Rignanese
Medicago orbicularis
2007 Luigi Rignanese

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

Medicago polymorpha var. brevispina    Bur clover,  Bur medic,  California burclover
invasive non-native
Annual herb

FABACEAE

Medicago polymorpha var. brevispina
2019 Gary McDonald
Medicago polymorpha var. brevispina
2019 Gary McDonald
Medicago polymorpha var. brevispina
2019 Gary McDonald

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
2023 John Rawlings
Melica californica
2021 John Rawlings
Melica californica
2022 John Rawlings

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

Melica torreyana    Torrey melic,  Torrey's melica,  Torrey's melicgrass
native
Perennial grass

POACEAE

Melica torreyana
2021 Toni Corelli
Melica torreyana
2019 John Rawlings
Melica torreyana
2017 MCOSD Restoration Crew

Melilotus indica    Annual yellow sweetclover,  Sourclover
non-native
Annual herb

FABACEAE

Melilotus indica
2019 Randy Huey
Melilotus indica
2019 Randy Huey
Melilotus indica
2017 Rosalie Benitez

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

Micropus californicus var. californicus    Q tips,  Slender cottonweed
native
Annual herb

ASTERACEAE

Micropus californicus var. californicus
2006 Steve Matson
Micropus californicus var. californicus
2021 Ron Vanderhoff
Micropus californicus var. californicus
null

Microseris douglasii    Douglas' microseris,  Douglas' silverpuffs
native
Annual herb

ASTERACEAE

Microseris douglasii
2022 Debra Cook
Microseris douglasii
2022 Steve Laymon
Microseris douglasii
2021 Robert Steers

Mimulus aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus
2023 Bill Kress
Mimulus aurantiacus
2019 Stacie Wolny
Mimulus aurantiacus
2019 Gary McDonald

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

PHRYMACEAE

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

Minuartia douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

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

Monardella douglasii    Douglas' monardella
native
Annual herb

LAMIACEAE

Monardella douglasii
2019 David Greenberger
Monardella douglasii
2013 John Doyen
Monardella douglasii
2013 John Doyen

Monardella villosa    Coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa
2020 Mary Sue Ittner
Monardella villosa
2019 Patrick Furtado
Monardella villosa
2019 Patricia Ashe

Monardella villosa ssp. franciscana    San francisco coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa ssp. franciscana
2022 Suzanne L. Weakley
Monardella villosa ssp. franciscana
2015 James Gonsman
Monardella villosa ssp. franciscana
2022 Cynthia Powell

Monolopia gracilens    Woodland monolopia
rare native
Annual herb

ASTERACEAE

Monolopia gracilens
2015 Al Keuter
Monolopia gracilens
2023 R.A. Chasey
Monolopia gracilens
2019 Ken Hickman

Monolopia major    Cupped monolopia
native
Annual herb

ASTERACEAE

Monolopia major
2019 Susan McDougall
Monolopia major
2019 Susan McDougall
Monolopia major
2022 Ryan O'Dell

Nassella lepida    Foothill needle grass
native
Perennial grass

POACEAE

Nassella lepida
2017 Gary McDonald
Nassella lepida
2023 Ron Vanderhoff
Nassella lepida
2017 Gary McDonald

Nassella pulchra    Purple needle grass
native
Perennial grass

POACEAE

Nassella pulchra
2019 Michelle Karle
Nassella pulchra
2019 Ron Vanderhoff
Nassella pulchra
2018 Gary McDonald

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

Navarretia heterodoxa    Calistoga navarretia,  Calistoga pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia heterodoxa
2018 Stacie Wolny
Navarretia heterodoxa
2021 Larry Dizmang
Navarretia heterodoxa
2021 Larry Dizmang

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
2019 Marisa Persaud
Navarretia squarrosa
2019 Patrick Furtado
Navarretia squarrosa
2013 Zoya Akulova

Nemophila heterophylla    Canyon nemophila,  Small baby blue eyes,  Variable leaved nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila heterophylla
2022 Stephen Rosenthal
Nemophila heterophylla
2019 Talila Golan
Nemophila heterophylla
2019 Matt Berger

Nemophila menziesii    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii
2019 Matt Berger
Nemophila menziesii
2019 Diane Etchison
Nemophila menziesii
2019 Ron Vanderhoff

Nemophila menziesii ssp. atomaria    Baby blue eyes
native
Annual herb

HYDROPHYLLACEAE

Nemophila menziesii ssp. atomaria
2021 Steve Matson
Nemophila menziesii ssp. atomaria
2021 Steve Matson
Nemophila menziesii ssp. atomaria
2019 James Gonsman

Nemophila parviflora    Small flowered nemophila,  Smallflower nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila parviflora
2022 Dana York
Nemophila parviflora
2022 John Rawlings
Nemophila parviflora
2022 Eric Koberle

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

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
2019 Margo Bors
Oemleria cerasiformis
2019 Stacie Wolny
Oemleria cerasiformis
2023 David Wolfson

Olea europaea    Olive
invasive non-native
Tree, Shrub

OLEACEAE

Olea europaea
2022 Donald Burk
Olea europaea
2021 Thomas Reyes
Olea europaea
2022 Ron Vanderhoff

Orobanche fasciculata    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata
2016 Jim Xerogeanes
Orobanche fasciculata
2016 Jim Xerogeanes
Orobanche fasciculata
2016 Yolanda Waddell

Orthocarpus purpurascens    Exserted indian paintbrush,  Pale purple owlclover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Orthocarpus purpurascens
2020 David Greenberger
Orthocarpus purpurascens
2019 Ron Vanderhoff
Orthocarpus purpurascens
2023 R.A. Chasey

Osmorhiza chilensis    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza chilensis
2021 Mike Russler
Osmorhiza chilensis
2020 Bob Sweatt
Osmorhiza chilensis
2020 Bob Sweatt

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

Pedicularis densiflora    Warrior's plume,  Indian warrior
native
Perennial herb

OROBANCHACEAE

Pedicularis densiflora
2015 Dee Warenycia
Pedicularis densiflora
2019 Jason Mills
Pedicularis densiflora
2017 Joshua Borkowski

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
2021 Mike Russler
Pellaea andromedifolia
2021 Steve Matson
Pellaea andromedifolia
2020 Tina Curiel

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

PTERIDACEAE

Pellaea mucronata
2012 Ron Vanderhoff
Pellaea mucronata
2022 Helen Hancock
Pellaea mucronata
2023 Julia Markey

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

Perideridia kelloggii    Kellogg's yampah,  Yampah
native
Perennial herb

APIACEAE

Perideridia kelloggii
2022 Suzanne L. Weakley
Perideridia kelloggii
2022 R.A. Chasey
Perideridia kelloggii
2022 R.A. Chasey

Phacelia californica    California phacelia,  Phacelia,  Rock phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia californica
2013 Robert Sikora
Phacelia californica
2017 James Gonsman
Phacelia californica
2020 R.A. Chasey

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

HYDROPHYLLACEAE

Phacelia distans
2023 Richard Spjut
Phacelia distans
2023 Richard Spjut
Phacelia distans
2022 Mike Russler

Phacelia imbricata    Imbricate phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia imbricata
2020 Bob Sill
Phacelia imbricata
2021 Aaron Sunshine
Phacelia imbricata
2021 Ron Vanderhoff

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
2018 Thomas Reyes
Phalaris aquatica
2021 Lenihan Mazur
Phalaris aquatica
2022 Lenihan Mazur

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

Phalaris californica
2021 Dan Quinn
Phalaris californica
2017 Toni Corelli
Phalaris californica
2018 Brian Charles

Phlox gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Phlox gracilis
2021 Mike Russler
Phlox gracilis
2003 Steve Matson
Phlox gracilis
2003 Steve Matson

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

Pholistoma membranaceum    White fiesta flower,  White fiestaflower
native
Annual herb

HYDROPHYLLACEAE

Pholistoma membranaceum
2023 David Wolfson
Pholistoma membranaceum
2019 Gary McDonald
Pholistoma membranaceum
2022 Mike Russler

Phoradendron villosum    Mistletoe
native
Shrub (parasitic)

VISCACEAE

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

Phragmites australis    Common reed
native
Perennial grass

POACEAE

Phragmites australis
2013 Ron Vanderhoff
Phragmites australis
2020 Ron Vanderhoff
Phragmites australis
2022 Steve Matson

Pinus pinea    Italian stone pine
non-native
Tree

PINACEAE

Pinus pinea
2018 Michael Mitchell
Pinus pinea
2020 Diana Wahl
Pinus pinea
2015 Chris Jaster

Piperia elegans    Coast piperia,  Elegant piperia,  Elegant rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elegans
2018 Alexandra Kookootsedes
Piperia elegans
2022 Julia Larke
Piperia elegans
2022 Hunter Breck

Piperia unalascensis    Alaska piperia,  Alaska rein orchid,  Rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia unalascensis
2006 Steve Matson
Piperia unalascensis
2022 Steve Matson
Piperia unalascensis
2019 Ron Vanderhoff

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

BORAGINACEAE

Plagiobothrys canescens
2016 Steve Matson
Plagiobothrys canescens
2016 Steve Matson
Plagiobothrys canescens
2016 Steve Matson

Plagiobothrys glaber    Hairless popcorn flower,  Hairless popcornflower
rare native
Annual herb

BORAGINACEAE

Plagiobothrys glaber
2019 Dean Wm. Taylor
Plagiobothrys glaber
2019 Dean Wm. Taylor
Plagiobothrys glaber
2011 Steve Matson

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

BORAGINACEAE

Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2019 Ron Vanderhoff
Plagiobothrys nothofulvus
2013 Jean Pawek

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

PLANTAGINACEAE

Plantago erecta
2021 Charles Russell
Plantago erecta
2008 Margo Bors
Plantago erecta
2022 Mike Russler

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

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
2019 Diane Etchison
Platystemon californicus
2022 John L. Thompson
Platystemon californicus
2020 Mitchell Coleman

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

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

Plectritis congesta    Sea blush,  Shortspur seablush
native
Annual herb

VALERIANACEAE

Plectritis congesta
2022 Richard Sullivan
Plectritis congesta
2022 Richard Sullivan
Plectritis congesta
2015 Aaron Schusteff

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

Poa howellii    Howell's blue grass,  Howell's bluegrass
native
Annual grass

POACEAE

Poa howellii
2018 Ken Hickman
Poa howellii
2020 Ken Hickman
Poa howellii
2020 Ken Hickman

Poa secunda ssp. secunda    One sided blue grass,  Pine bluegrass,  Sandberg's bluegrass
native
Perennial grass

POACEAE

Poa secunda ssp. secunda
2018 Ron Vanderhoff
Poa secunda ssp. secunda
2018 Ron Vanderhoff
Poa secunda ssp. secunda
2018 Ron Vanderhoff

Pogogyne serpylloides    Thyme leaf mesa mint,  Thymeleaf mesamint
native
Annual herb

LAMIACEAE

Pogogyne serpylloides
2020 Stacie Wolny
Pogogyne serpylloides
2022 R.A. Chasey
Pogogyne serpylloides
2020 Stacie Wolny

Polycarpon tetraphyllum    Four leaved all seed,  Four leaved allseed,  Four leaved polycarp
non-native
Annual herb

CARYOPHYLLACEAE

Polycarpon tetraphyllum
2020 Ron Vanderhoff
Polycarpon tetraphyllum
2019 Ron Vanderhoff
Polycarpon tetraphyllum
2020 Ron Vanderhoff

Polygonum arenastrum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum arenastrum
2016 Barbara Boethling
Polygonum arenastrum
2021 Ron Vanderhoff
Polygonum arenastrum
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

Polypodium glycyrrhiza    Licorice fern
native
Fern

POLYPODIACEAE

Polypodium glycyrrhiza
2014 BOB CASE
Polypodium glycyrrhiza
2022 Mary Conway
Polypodium glycyrrhiza
2014 BOB CASE

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

Potamogeton pectinatus    Sago pondweed
native
Perennial herb (aquatic)

POTAMOGETONACEAE

Potamogeton pectinatus
2021 Ron Vanderhoff
Potamogeton pectinatus
2021 Ron Vanderhoff
Potamogeton pectinatus
2021 Ron Vanderhoff

Potentilla glandulosa    Sticky cinquefoil
native
Perennial herb

ROSACEAE

Potentilla glandulosa
2020 Mary Conway
Potentilla glandulosa
2019 Diane Etchison
Potentilla glandulosa
2020 Diane Etchison

Prunus emarginata    Bitter cherry
native
Tree, Shrub

ROSACEAE

Prunus emarginata
2020 Belinda Lo
Prunus emarginata
2019 Susan McDougall
Prunus emarginata
2019 Zachary Snider

Prunus ilicifolia    Holly leaf cherry,  Holly leaved cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia
2022 David Strauch
Prunus ilicifolia
2019 Marisa Persaud
Prunus ilicifolia
2019 Bryant Baker

Prunus virginiana var. demissa    Chokecherry,  Western choke cherry,  Western chokecherry
native
Tree, Shrub

ROSACEAE

Prunus virginiana var. demissa
2020 Bryant Baker
Prunus virginiana var. demissa
2020 Susan McDougall
Prunus virginiana var. demissa
2020 Susan McDougall

Psilocarphus brevissimus var. brevissimus    Short woollyheads,  Woolly heads,  Woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus brevissimus var. brevissimus
2020 R.A. Chasey
Psilocarphus brevissimus var. brevissimus
2021 David popp
Psilocarphus brevissimus var. brevissimus
2020 Ron Vanderhoff

Psilocarphus tenellus    Slender woolly marbles,  Slender woollyheads
native
Annual herb

ASTERACEAE

Psilocarphus tenellus
2006 Steve Matson
Psilocarphus tenellus
2017 Toni Corelli
Psilocarphus tenellus
2018 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
2015 Diane Etchison

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

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
2019 Susan McDougall
Quercus douglasii
2018 Gary McDonald
Quercus douglasii
2020 Charles Russell

Quercus durata    Leather oak
native
Shrub

FAGACEAE

Quercus durata
2019 Cynthia Powell
Quercus durata
2019 David popp
Quercus durata
2019 Talila Golan

Quercus kelloggii    Black oak,  California black oak
native
Tree

FAGACEAE

Quercus kelloggii
2018 John Schmidt
Quercus kelloggii
2020 Kim Cabrera
Quercus kelloggii
2020 Janith Johnson

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
2018 stephen rosenthal
Quercus lobata
2023 Helen Hancock
Quercus lobata
2020 Charles Russell

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

FAGACEAE

Quercus wislizeni var. frutescens
2019 Ron Vanderhoff
Quercus wislizeni var. frutescens
2019 Ron Vanderhoff
Quercus wislizeni var. frutescens
2013 Neal Kramer

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

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

Ranunculus aquatilus var. capillaceus    white water butter cup
native
Perennial herb (aquatic)

RANUNCULACEAE

Ranunculus aquatilus var. capillaceus
2018 Cynthia Powell
Ranunculus aquatilus var. capillaceus
2016 Ken Lunders
Ranunculus aquatilus var. capillaceus
2007 Steve Matson

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

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

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

RANUNCULACEAE

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

Raphanus 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

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
2016 Steve Matson
Rhamnus ilicifolia
2020 Rebecca Schoenenberger
Rhamnus ilicifolia
2019 Diane Etchison

Ribes californicum    California gooseberry,  Hillside gooseberry
native
Shrub

GROSSULARIACEAE

Ribes californicum
2020 Sue Graue
Ribes californicum
2019 Sue Graue
Ribes californicum
2018 Gary McDonald

Ribes malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum
2020 Bryant Baker
Ribes malvaceum
2020 Bryant Baker
Ribes malvaceum
2020 Bryant Baker

Ribes menziesii    Canyon gooseberry,  Gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii
2019 Michael Mitchell
Ribes menziesii
2016 Steve Matson
Ribes menziesii
2016 Steve Matson

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

Rigiopappus leptocladus
2019 Ken Hickman
Rigiopappus leptocladus
2021 Steve Laymon
Rigiopappus leptocladus
2022 John Rawlings

Robinia pseudoacacia    Black locust
invasive non-native
Tree

FABACEAE

Robinia pseudoacacia
2021 Ron Vanderhoff
Robinia pseudoacacia
2021 David Wolfson
Robinia pseudoacacia
2015 Ron Vanderhoff

native
Perennial herb (aquatic)

BRASSICACEAE

Rorippa nasturtium-aquaticum
2019 Patrick Furtado
Rorippa nasturtium-aquaticum
2016 Joan Hampton
Rorippa nasturtium-aquaticum
2019 Diane Etchison

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

Rosa gymnocarpa    Dwarf rose,  Baldhip rose
native
Shrub

ROSACEAE

Rosa gymnocarpa
2012 Michael Mitchell
Rosa gymnocarpa
2012 Michael Mitchell
Rosa gymnocarpa
2017 David popp

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
2020 David Krause
Rosa spithamea
1973 Geoff Burleigh
Rosa spithamea
2009 Neal Kramer

Rubus armeniacus    Himalayan blackberry,  black berry
non-native
Shrub

ROSACEAE

Rubus armeniacus
2014 James Gonsman
Rubus armeniacus
2020 Julie A. Kierstead
Rubus armeniacus
2018 Richard Spjut

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
2017 Gary McDonald
Rumex acetosella
2008 Steve Matson
Rumex acetosella
2019 Patrick Furtado

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

POLYGONACEAE

Rumex conglomeratus
2020 Ron Vanderhoff
Rumex conglomeratus
2021 David popp
Rumex conglomeratus
2020 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
2022 David Strauch

Rupertia physodes    California tea,  Common rupertia,  Forest scurfpea
native
Perennial herb

FABACEAE

Rupertia physodes
2021 Mary Ann Machi
Rupertia physodes
2009 Chris Wagner
Rupertia physodes
2020 R.A. Chasey

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2017 Susan Kotelnicki
Salix lasiolepis
2022 Ron Vanderhoff
Salix lasiolepis
2020 Steve Matson

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

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

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

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Sambucus mexicana    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus mexicana
2021 Mike Russler
Sambucus mexicana
2020 Diane Etchison
Sambucus mexicana
2022 El Byrne

Sanicula arctopoides    Footsteps of spring,  Yellow mats
native
Perennial herb

APIACEAE

Sanicula arctopoides
2019 Eliezer Margolis
Sanicula arctopoides
2017 James Gonsman
Sanicula arctopoides
2017 James Gonsman

Sanicula bipinnata    Poison sanicle
native
Perennial herb

APIACEAE

Sanicula bipinnata
2008 Steve Matson
Sanicula bipinnata
2009 Keir Morse
Sanicula bipinnata
2022 R.A. Chasey

Sanicula bipinnatifida    Purple sanicle,  Snakeroot,  Purple Sanicle, Shoe Buttons
native
Perennial herb

APIACEAE

Sanicula bipinnatifida
2019 Diane Etchison
Sanicula bipinnatifida
2018 Gary McDonald
Sanicula bipinnatifida
2020 Susan McDougall

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

Satureja douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Satureja douglasii
2019 Gary McDonald
Satureja douglasii
2012 Gary McDonald
Satureja douglasii
2012 Gary McDonald

Saxifraga californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

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

Scandix pecten-veneris    Shepherd's needle,  Shepherdsneedle,  Venus' needle
non-native
Annual herb, Vine

APIACEAE

Scandix pecten-veneris
2006 Steve Matson
Scandix pecten-veneris
2018 Stacie Wolny
Scandix pecten-veneris
2006 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

Scirpus fluviatilis    River bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus fluviatilis
2010 Louis-M. Landry
Scirpus fluviatilis
2010 Louis-M. Landry
Scirpus fluviatilis
2010 Louis-M. Landry

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

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

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

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
2006 Steve Matson
Scutellaria tuberosa
2016 Ron Vanderhoff
Scutellaria tuberosa
2012 Ron Vanderhoff

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

ASTERACEAE

Senecio vulgaris
2017 Barbara Boethling
Senecio vulgaris
2019 Ron Vanderhoff
Senecio vulgaris
2021 Toni Corelli

Sherardia arvensis    Blue fieldmadder,  Field madder
non-native
Annual herb

RUBIACEAE

Sherardia arvensis
2020 Stacie Wolny
Sherardia arvensis
2020 Ron Vanderhoff
Sherardia arvensis
2020 Ron Vanderhoff

Sidalcea malviflora    Checker bloom,  Checker mallow,  Dwarf checkerbloom
native
Perennial herb

MALVACEAE

Sidalcea malviflora
2022 David Strauch
Sidalcea malviflora
2022 Suzanne L. Weakley
Sidalcea malviflora
2018 Sheila Lodge

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

CARYOPHYLLACEAE

Silene gallica
2019 Mary Wloch
Silene gallica
2017 Gary McDonald
Silene gallica
2019 Gary McDonald

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

Sinapis arvensis    Charlock mustard
invasive non-native
Annual herb

BRASSICACEAE

Sinapis arvensis
2020 Randy Huey
Sinapis arvensis
2021 Randy Huey
Sinapis arvensis
2022 Mike Russler

Sisymbrium irio    London rocket
invasive non-native
Annual herb

BRASSICACEAE

Sisymbrium irio
2022 Ron Vanderhoff
Sisymbrium irio
2022 Ron Vanderhoff
Sisymbrium irio
2022 Mike Russler

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
2013 Neal Kramer
Sisymbrium officinale
2022 Julian Geoghegan
Sisymbrium officinale
2021 Ann Garside

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

Smilacina stellata    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Smilacina stellata
2021 Cyril Guyot
Smilacina stellata
2003 Steve Matson
Smilacina stellata
2020 Susan McDougall

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 umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
2022 Mike Russler
Solanum umbelliferum
2014 Steve Matson
Solanum umbelliferum
2014 Steve Matson

Sonchus asper    Spiny sowthistle
invasive non-native
Annual herb

ASTERACEAE

Sonchus asper
2010 Michael Mitchell
Sonchus asper
2020 Julie A. Kierstead
Sonchus asper
2017 MCOSD Restoration Crew

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

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

Spergularia rubra    Purple sand spurry,  Red sandspurry,  Ruby sandspurry
non-native
Annual, Perennial herb

CARYOPHYLLACEAE

Spergularia rubra
2023 Ron Vanderhoff
Spergularia rubra
2023 Ron Vanderhoff
Spergularia rubra
2023 Ron Vanderhoff

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
2014 Steve Matson
Stachys bullata
2014 Steve Matson
Stachys bullata
2020 Bryant Baker

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

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

Stellaria nitens    Shining chickweed,  Shiny chickweed,  Smooth chickweed
native
Annual herb

CARYOPHYLLACEAE

Stellaria nitens
2020 Ken Hickman
Stellaria nitens
2022 Catherine Chang
Stellaria nitens
2017 David popp

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

Streptanthus albidus ssp. peramoenus    Most beautiful jewel flower,  Most beautiful jewelflower
rare native
Annual herb

BRASSICACEAE

Streptanthus albidus ssp. peramoenus
2021 Meghan Lindt
Streptanthus albidus ssp. peramoenus
2019 Lynn Robertson
Streptanthus albidus ssp. peramoenus
2021 Bryant Baker

native
Annual herb

BRASSICACEAE

Streptanthus glandulosus var. glandulosus
2021 Meghan Lindt
Streptanthus glandulosus var. glandulosus
2020 Stacie Wolny
Streptanthus glandulosus var. glandulosus
2021 Bryant Baker

Stylomecon heterophylla    Wind poppy
native
Annual herb

PAPAVERACEAE

Stylomecon heterophylla
2017 Gary McDonald
Stylomecon heterophylla
2021 Mike Russler
Stylomecon heterophylla
2020 Joe Engelbrecht

Symphoricarpos albus var. laevigatus    Common snowberry,  Upright snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus var. laevigatus
2020 Jacob Smith
Symphoricarpos albus var. laevigatus
2015 Robert Sikora
Symphoricarpos albus var. laevigatus
2020 Jacob Smith

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 hartwegii    Hartweg's tauschia,  Hartweg's umbrellawort,  Tauschia
native
Perennial herb

APIACEAE

Tauschia hartwegii
2006 Steve Matson
Tauschia hartwegii
2006 Steve Matson
Tauschia hartwegii
2006 Steve Matson

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

native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes var. curvipes
2019 Matt Berger
Thysanocarpus curvipes var. curvipes
2020 R.A. Chasey
Thysanocarpus curvipes var. curvipes
2022 Mike Russler

Thysanocarpus curvipes var. elegans    Fringe pod,  Fringed pod,  Hairy lacepod
native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes var. elegans
2020 Ron Vanderhoff
Thysanocarpus curvipes var. elegans
2001 Jeff Abbas
Thysanocarpus curvipes var. elegans
2018 Julie Kierstead Nelson

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

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

APIACEAE

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

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
2011 Steve Matson
Torilis nodosa
2011 Steve Matson
Torilis nodosa
2022 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

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
2019 Julie dinsdale
Tragopogon porrifolius
2015 David Wolfson
Tragopogon porrifolius
2020 Martin Cooper

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

ZYGOPHYLLACEAE

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

Trichostema lanceolatum    Vinegarweed
native
Annual herb

LAMIACEAE

Trichostema lanceolatum
2018 Ron Vanderhoff
Trichostema lanceolatum
2016 Nathan Mudry
Trichostema lanceolatum
2014 Diane Etchison

Trientalis latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Trientalis latifolia
2018 Blair Pubols
Trientalis latifolia
2014 James Gonsman
Trientalis latifolia
2008 Steve Matson

Trifolium albopurpureum var. albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum var. albopurpureum
2021 Mike Russler
Trifolium albopurpureum var. albopurpureum
2011 Jorg & Mimi Fleige
Trifolium albopurpureum var. albopurpureum
2013 Zoya Akulova

Trifolium albopurpureum var. dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium albopurpureum var. dichotomum
2023 Helen Hancock
Trifolium albopurpureum var. dichotomum
2022 Helen Hancock
Trifolium albopurpureum var. dichotomum
2023 Helen Hancock

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2022 R.A. Chasey
Trifolium bifidum var. decipiens
2021 Cameron Chabre

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
2021 Ron Vanderhoff
Trifolium depauperatum var. truncatum
2015 Debra L. Cook
Trifolium depauperatum var. truncatum
2004 Carol W. Witham

Trifolium fucatum    Bull clover,  Sour clover
native
Annual herb

FABACEAE

Trifolium fucatum
2019 James Gonsman
Trifolium fucatum
2019 James Gonsman
Trifolium fucatum
2019 Paul Aigner

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

FABACEAE

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

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
2011 Steve Matson
Trifolium hirtum
2011 Steve Matson
Trifolium hirtum
2011 Steve Matson

Trifolium incarnatum    Crimson clover
non-native
Annual herb

FABACEAE

Trifolium incarnatum
2018 Tim Lewis
Trifolium incarnatum
2019 Amy Rapport
Trifolium incarnatum
2008 Steve Matson

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 microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2022 Dee Shea Himes
Trifolium microdon
2008 Neal Kramer

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
2008 Steve Matson
Trifolium subterraneum
2008 Steve Matson
Trifolium subterraneum
2008 Steve Matson

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

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

Trillium chloropetalum    Common trillium,  Giant wakerobin,  Trillium
native
Perennial herb

MELANTHIACEAE

Trillium chloropetalum
2020 Bob Sweatt
Trillium chloropetalum
2019 Susan McDougall
Trillium chloropetalum
2020 Bob Sweatt

Triphysaria pusilla    Dwarf owl's clover,  Little owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria pusilla
2018 Steve Matson
Triphysaria pusilla
2018 Steve Matson
Triphysaria pusilla
2022 R.A. Chasey

Trisetum canescens    Nodding oatgrass,  Nodding trisetum,  Tall trisetum
native
Perennial grass

POACEAE

Trisetum canescens
2020 John Rawlings
Trisetum canescens
2022 Ellen Uhler
Trisetum canescens
2017 MCOSD EDRR

Trisetum cernuum    Nodding oatgrass,  Nodding trisetum
native
Perennial grass

POACEAE

Trisetum cernuum
2019 Kimberly Moses
Trisetum cernuum
2019 Kimberly Moses
Trisetum cernuum
2011 Steve Matson

Triteleia hyacinthina    White brodiaea,  Wild hyacinth,  White Brodiaea, Fool's Onion
native
Perennial herb

THEMIDACEAE

Triteleia hyacinthina
2023 Suzanne L. Weakley
Triteleia hyacinthina
2008 Steve Matson
Triteleia hyacinthina
2020 Steve Conger

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
2018 Gary McDonald
Triteleia laxa
2018 Tim Lewis
Triteleia laxa
2019 Matt Berger

Triticum aestivum    Common wheat,  Wheat
non-native
Annual grass

POACEAE

Triticum aestivum
2022 Lenihan Mazur
Triticum aestivum
2021 Julian Geoghegan
Triticum aestivum
2021 John Rawlings

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

BRASSICACEAE

Tropidocarpum gracile
2015 Michael Mitchell
Tropidocarpum gracile
2019 Gary McDonald
Tropidocarpum gracile
2022 R.A. Chasey

Typha angustifolia    Nail rod,  Narrow leaf cattail,  Narrowleaf cattail
non-native
Perennial herb (aquatic)

TYPHACEAE

Typha angustifolia
2019 Ron Vanderhoff
Typha angustifolia
2019 Ron Vanderhoff
Typha angustifolia
2021 Ron Vanderhoff

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

LAURACEAE

Umbellularia californica
2016 Steve Matson
Umbellularia californica
2016 Steve Matson
Umbellularia californica
2020 Ron Vanderhoff

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

Verbena lasiostachys    Common verbena,  Vervain,  Western verbena
native
Perennial herb

VERBENACEAE

Verbena lasiostachys
2020 Greg Froelich
Verbena lasiostachys
2018 Gary McDonald
Verbena lasiostachys
2008 Keir Morse

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida
2021 R.A. Chasey
Verbena lasiostachys var. scabrida
2020 Kevin Dixon
Verbena lasiostachys var. scabrida
2020 Ron Vanderhoff

Veronica arvensis    Corn speedwell,  Speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica arvensis
2006 Steve Matson
Veronica arvensis
2018 Villa Piazza
Veronica arvensis
2020 mike andrews

Veronica persica    Bird's eye speedwell,  Birdeye speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica persica
2019 Patrick Furtado
Veronica persica
2022 Bob Sweatt
Veronica persica
2022 Ron Vanderhoff

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

FABACEAE

Vicia americana var. americana
2017 James Gonsman
Vicia americana var. americana
2021 Ken Lunders
Vicia americana var. americana
2021 Ken Lunders

Vicia benghalensis    Purple vetch,  Reddish tufted vetch,  Vetch
non-native
Annual herb, Vine

FABACEAE

Vicia benghalensis
2019 Diane Etchison
Vicia benghalensis
2023 R.A. Chasey
Vicia benghalensis
2020 Ron Vanderhoff

Vicia gigantea    Giant vetch
native
Perennial herb

FABACEAE

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

Vicia sativa ssp. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
2020 Ken Lunders
Vicia sativa ssp. nigra
2020 Ron Vanderhoff
Vicia sativa ssp. nigra
2020 Ron Vanderhoff

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
2007 Toni Corelli
Vicia sativa ssp. sativa
2020 Ron Vanderhoff
Vicia sativa ssp. sativa
2020 Ron Vanderhoff

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

FABACEAE

Vicia villosa ssp. varia
2017 Gary McDonald
Vicia villosa ssp. varia
2017 Gary McDonald
Vicia villosa ssp. varia
2020 Julie A. Kierstead

Viola ocellata    Pinto violet,  Twoeyed violet,  Western heart's ease
native
Perennial herb

VIOLACEAE

Viola ocellata
2020 Amy Rapport
Viola ocellata
2008 Steve Matson
Viola ocellata
2018 Stacie Wolny

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

VIOLACEAE

Viola pedunculata
2014 James Gonsman
Viola pedunculata
2023 Julia Markey
Viola pedunculata
2023 Richard Sullivan

Vulpia bromoides    Brome fescue
non-native
Annual grass

POACEAE

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

native
Annual grass

POACEAE

Vulpia microstachys var. microstachys
2022 Aaron Sunshine
Vulpia microstachys var. microstachys
2011 Steve Matson
Vulpia microstachys var. microstachys
2011 Steve Matson

native
Annual grass

POACEAE

Vulpia microstachys var. pauciflora
2022 Aaron Sunshine
Vulpia microstachys var. pauciflora
2011 Steve Matson
Vulpia microstachys var. pauciflora
2011 Steve Matson

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

Woodwardia fimbriata    Chain fern,  Giant chain fern,  Giant chainfern
native
Fern

BLECHNACEAE

Woodwardia fimbriata
2019 Julie Kierstead Nelson
Woodwardia fimbriata
2020 R.A. Chasey
Woodwardia fimbriata
2019 Susan McDougall

Wyethia glabra    Coast range mule ears,  Shining mule ears,  Smooth mule ears
native
Perennial herb

ASTERACEAE

Wyethia glabra
2020 Amy Rapport
Wyethia glabra
2019 Colleen Herr
Wyethia glabra
2018 MCOSD EDRR

Xanthium spinosum    Spiny clotbur,  Spiny cockleburr
non-native
Annual herb

ASTERACEAE

Xanthium spinosum
2018 Joslyn Curtis
Xanthium spinosum
2014 Richard Spellenberg
Xanthium spinosum
2008 Neal Kramer

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium
2019 Ron Vanderhoff
Xanthium strumarium
2011 Steve Matson
Xanthium strumarium
2019 Ron Vanderhoff

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

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

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

MELANTHIACEAE

Zigadenus fremontii
2020 Bryant Baker
Zigadenus fremontii
2021 Steve Matson
Zigadenus fremontii
2020 Karen Swift