logo Calflora Illustrated Plant List 


This list is from the Xerces Society (February 2019), and is for all of California.
Use What Grows Here? to find those that grow wild in a particular region.
493 PLANTS
native
Shrub

ERICACEAE

Arctostaphylos peninsularis ssp. peninsularis
2006 Steve Matson
Arctostaphylos peninsularis ssp. peninsularis
2006 Steve Matson
Arctostaphylos peninsularis ssp. peninsularis
2006 Steve Matson

native
Shrub

ERICACEAE

Arctostaphylos Xbenitoensis
2022 Ryan O'Dell
Arctostaphylos Xbenitoensis
2022 Ryan O'Dell
Arctostaphylos Xbenitoensis
2022 Ryan O'Dell

native
Shrub

ERICACEAE

Arctostaphylos Xcampbelliae
2010 Jeff Bisbee
Arctostaphylos Xcampbelliae
2010 Jeff Bisbee
Arctostaphylos Xcampbelliae
2010 Jeff Bisbee

Arctostaphylos Xcinerea    Del norte manzanita
native
Shrub

ERICACEAE


Arctostaphylos Xhelleri    Hybrid manzanita
native
Shrub

ERICACEAE

Arctostaphylos Xhelleri
2011 Jeff Bisbee
Arctostaphylos Xhelleri
2011 Jeff Bisbee
Arctostaphylos Xhelleri
2017 Jeff Bisbee


Arctostaphylos Xmedia    Hybrid manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos Xmedia
2018 Susan McDougall
Arctostaphylos Xmedia
2018 Susan McDougall
Arctostaphylos Xmedia
2018 Susan McDougall

Ceanothus connivens    Trailing buckbrush
native
Shrub

RHAMNACEAE


native
Shrub

RHAMNACEAE

Ceanothus Xarcuatus
2005 Dieter Wilken
Ceanothus Xarcuatus
2005 Dieter Wilken

Ceanothus Xflexilis    Flexible ceanothus
native
Shrub

RHAMNACEAE


native
Shrub

RHAMNACEAE


Ceanothus Xlorenzenii    Whitethorn x tobacco brush
native
Tree, Shrub

RHAMNACEAE

Ceanothus Xlorenzenii
1995 Saint Mary's College of California
Ceanothus Xlorenzenii
1995 Saint Mary's College of California
Ceanothus Xlorenzenii
1995 Saint Mary's College of California

Ceanothus Xmendocinensis    Mendocino ceanothus
native
Shrub

RHAMNACEAE


native
Shrub

RHAMNACEAE


Ceanothus Xserrulatus    Cascade lake ceanothus
native
Shrub

RHAMNACEAE




Salix matsudana    Corkscrew willow
non-native
Tree

SALICACEAE

Salix matsudana
© 2017 Zoya Akulova

non-native
Shrub, Tree

SALICACEAE


Salix Xpendulina    Wisconsin weeping willow
non-native
Tree

SALICACEAE


Salix Xrubens    Hybrid crack willow
non-native
Shrub, Tree

SALICACEAE


Trifolium piorkowskii    Piorkowski's clover
rare native
Annual herb

FABACEAE

Trifolium piorkowskii
2018 Al Keuter
Trifolium piorkowskii
2018 Al Keuter
Trifolium piorkowskii
2018 Al Keuter

Trifolium stellatum    Star clover
non-native
Annual herb

FABACEAE

Trifolium stellatum
2007 Luigi Rignanese
Trifolium stellatum
2006 Luigi Rignanese

Trifolium suffocatum    Suffocated clover
non-native
Perennial herb

FABACEAE

Trifolium suffocatum
2013 Neal Kramer
Trifolium suffocatum
2015 Neal Kramer
Trifolium suffocatum
2016 Neal Kramer

Arctostaphylos auriculata    Mount Diablo manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos auriculata
2019 Susan McDougall
Arctostaphylos auriculata
2021 Mike Russler
Arctostaphylos auriculata
2022 Michael L. Uhler

Arctostaphylos canescens    Hoary manzanita
native
Shrub

ERICACEAE

Arctostaphylos canescens
2015 Robert Steers
Arctostaphylos canescens
2008 Keir Morse
Arctostaphylos canescens
2009 Jorg Fleige

native
Shrub

ERICACEAE

Arctostaphylos canescens ssp. canescens
2020 Hunter Breck
Arctostaphylos canescens ssp. canescens
2009 Neal Kramer
Arctostaphylos canescens ssp. canescens
2008 Keir Morse

Arctostaphylos canescens ssp. sonomensis    Rincon manzanita,  Sonoma manzanita
native
Shrub

ERICACEAE

Arctostaphylos canescens ssp. sonomensis
2019 Susan McDougall
Arctostaphylos canescens ssp. sonomensis
2019 Susan McDougall
Arctostaphylos canescens ssp. sonomensis
2007 Dr. Dean Wm. Taylor

Arctostaphylos crustacea    Brittle leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea
2021 Cara Wilcox
Arctostaphylos crustacea
2021 Cara Wilcox
Arctostaphylos crustacea
2021 Cara Wilcox

Arctostaphylos crustacea ssp. crinita    Crinite manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. crinita
2022 David Krause
Arctostaphylos crustacea ssp. crinita
2022 David Krause
Arctostaphylos crustacea ssp. crinita
2022 David Krause

Arctostaphylos crustacea ssp. crustacea    Brittle leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. crustacea
2020 Mike Russler
Arctostaphylos crustacea ssp. crustacea
2019 Susan McDougall
Arctostaphylos crustacea ssp. crustacea
2016 Adam Chasey

Arctostaphylos crustacea ssp. rosei    Rose's manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. rosei
2019 Susan McDougall
Arctostaphylos crustacea ssp. rosei
2019 Susan McDougall
Arctostaphylos crustacea ssp. rosei
© 2004 Doreen L. Smith

Arctostaphylos crustacea ssp. subcordata    Santa cruz island manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. subcordata
2020 David Greenberger
Arctostaphylos crustacea ssp. subcordata
2018 Susan McDougall
Arctostaphylos crustacea ssp. subcordata
2018 Susan McDougall

Arctostaphylos gabilanensis    Gabilan mountains manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos gabilanensis
2005 Dean Wm. Taylor
Arctostaphylos gabilanensis
2008 John Dittes
Arctostaphylos gabilanensis
0000 Susan McDougall

Arctostaphylos glandulosa    Eastwood manzanita,  Eastwood's manzanita
native
Shrub

ERICACEAE

Arctostaphylos glandulosa
2020 Angelique Herman
Arctostaphylos glandulosa
2019 Julian Geoghegan
Arctostaphylos glandulosa
2019 Ron Vanderhoff

native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. adamsii
2003 Charles E. Jones
Arctostaphylos glandulosa ssp. adamsii
1993 David Graber
Arctostaphylos glandulosa ssp. adamsii
1993 David Graber

native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
2020 R.A. Chasey
Arctostaphylos glandulosa ssp. cushingiana
© 2015 Vernon Smith

Arctostaphylos glandulosa ssp. glandulosa    Eastwood manzanita,  Eastwood's manzanita
native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. glandulosa
2021 Ron Vanderhoff
Arctostaphylos glandulosa ssp. glandulosa
2021 Ron Vanderhoff
Arctostaphylos glandulosa ssp. glandulosa
2021 Ron Vanderhoff

Arctostaphylos glandulosa ssp. howellii    Howell's manzanita
native
Shrub

ERICACEAE


native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. leucophylla
2021 Ron Vanderhoff
Arctostaphylos glandulosa ssp. leucophylla
2021 Ron Vanderhoff
Arctostaphylos glandulosa ssp. leucophylla
2021 Ron Vanderhoff

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

ERICACEAE

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

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

ERICACEAE

Arctostaphylos glauca
2020 Angelique Herman
Arctostaphylos glauca
2018 Ron Vanderhoff
Arctostaphylos glauca
2020 Susan McDougall

Arctostaphylos hookeri    Hooker's manzanita,  Raven's manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos hookeri
2011 Chris Winchell
Arctostaphylos hookeri
2011 Chris Winchell
Arctostaphylos hookeri
2011 Chris Winchell

Arctostaphylos hookeri ssp. hookeri    Hooker's manzanita,  Monterey manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos hookeri ssp. hookeri
2019 Susan McDougall
Arctostaphylos hookeri ssp. hookeri
2019 Susan McDougall
Arctostaphylos hookeri ssp. hookeri
2011 Chris Winchell

Arctostaphylos manzanita    Common manzanita
native
Shrub

ERICACEAE

Arctostaphylos manzanita
2019 Julie Kierstead Nelson
Arctostaphylos manzanita
2019 Adam Chasey
Arctostaphylos manzanita
2019 R.A. Chasey

Arctostaphylos manzanita ssp. laevigata    Contra costa manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. laevigata
2019 Susan McDougall
Arctostaphylos manzanita ssp. laevigata
2019 Susan McDougall
Arctostaphylos manzanita ssp. laevigata
2016 Neal Kramer

native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. manzanita
2019 Susan McDougall
Arctostaphylos manzanita ssp. manzanita
2015 James Gonsman
Arctostaphylos manzanita ssp. manzanita
2018 Adam Chasey

Arctostaphylos manzanita ssp. roofii    Roof's manzanita
native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. roofii
2020 Susan McDougall
Arctostaphylos manzanita ssp. roofii
2020 Susan McDougall
Arctostaphylos manzanita ssp. roofii
2020 Susan McDougall

Arctostaphylos manzanita ssp. wieslanderi    Wieslander's manzanita
native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. wieslanderi
2018 Julie Kierstead Nelson
Arctostaphylos manzanita ssp. wieslanderi
2020 R.A. Chasey
Arctostaphylos manzanita ssp. wieslanderi
2007 Dean Wm. Taylor, Ph.D.

Arctostaphylos montaraensis    Montara manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos montaraensis
2018 Ken Hickman
Arctostaphylos montaraensis
2019 Susan McDougall
Arctostaphylos montaraensis
2019 Susan McDougall

Arctostaphylos nevadensis    Pine mat manzanita,  Pinemat manzanita
native
Shrub

ERICACEAE

Arctostaphylos nevadensis
2019 Julie A. Kierstead
Arctostaphylos nevadensis
2019 Julie A. Kierstead
Arctostaphylos nevadensis
2007 Norman Jensen

Arctostaphylos nevadensis ssp. knightii    Knight's manzanita
native
Shrub

ERICACEAE

Arctostaphylos nevadensis ssp. knightii
2011 Jeff Bisbee
Arctostaphylos nevadensis ssp. knightii
2012 Jeff Bisbee
Arctostaphylos nevadensis ssp. knightii
2017 Paul Preston

native
Shrub

ERICACEAE

Arctostaphylos nevadensis ssp. nevadensis
2013 Judith Elaine Bush
Arctostaphylos nevadensis ssp. nevadensis
2019 Susan McDougall
Arctostaphylos nevadensis ssp. nevadensis
2021 Alaine Arslan

Arctostaphylos nummularia    Glossy leaved manzanita,  Glossyleaf manzanita,  Shatterberry
native
Shrub

ERICACEAE

Arctostaphylos nummularia
2006 Steve Matson
Arctostaphylos nummularia
2018 Cynthia Powell
Arctostaphylos nummularia
2018 Cynthia Powell

rare native
Shrub

ERICACEAE

Arctostaphylos nummularia ssp. mendocinoensis
2007 Steve Matson
Arctostaphylos nummularia ssp. mendocinoensis
2019 Susan McDougall
Arctostaphylos nummularia ssp. mendocinoensis
2014 Zoya Akulova

native
Shrub

ERICACEAE

Arctostaphylos nummularia ssp. nummularia
2012 Aaron Arthur
Arctostaphylos nummularia ssp. nummularia
2021 Mike Russler
Arctostaphylos nummularia ssp. nummularia
2021 Mike Russler

Arctostaphylos otayensis    Otay manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos otayensis
2003 David Graber
Arctostaphylos otayensis
2018 Susan McDougall
Arctostaphylos otayensis
2018 Susan McDougall

Arctostaphylos patula    Green leaf manzanita,  Greenleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos patula
2009 Keir Morse
Arctostaphylos patula
2019 David Magney
Arctostaphylos patula
2017 Elysa DuCharme

Arctostaphylos pungens    Mexican manzanita,  Pointleaf manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos pungens
2016 James Gonsman
Arctostaphylos pungens
2014 James Gonsman
Arctostaphylos pungens
2020 Mike Russler

Arctostaphylos regismontana    Kings mountain manzanita,  Kings mtn. manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos regismontana
2020 David Greenberger
Arctostaphylos regismontana
2020 R.A. Chasey
Arctostaphylos regismontana
2020 David Greenberger

Arctostaphylos sensitiva    Glossyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos sensitiva
2019 Cynthia Powell
Arctostaphylos sensitiva
2018 Ken Hickman
Arctostaphylos sensitiva
2019 Cynthia Powell

Arctostaphylos silvicola    Bonny doon manzanita,  Silverleaf manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos silvicola
2021 Cara Wilcox
Arctostaphylos silvicola
2022 Cara Wilcox
Arctostaphylos silvicola
2021 Cara Wilcox

Arctostaphylos stanfordiana    Stanford's manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos stanfordiana
2009 Neal Kramer
Arctostaphylos stanfordiana
2014 James Gonsman
Arctostaphylos stanfordiana
2008 Zoya Akulova

Arctostaphylos stanfordiana ssp. stanfordiana    Stanford manzanita,  Stanford's manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos stanfordiana ssp. stanfordiana
2013 Terry Gosliner
Arctostaphylos stanfordiana ssp. stanfordiana
2009 Neal Kramer
Arctostaphylos stanfordiana ssp. stanfordiana
2009 Neal Kramer

Arctostaphylos tomentosa    Woolly leaf manzanita,  Woollyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa
2020 David Greenberger
Arctostaphylos tomentosa
2012 Aaron E. Sims
Arctostaphylos tomentosa
2016 Dean Wm. Taylor

Arctostaphylos tomentosa ssp. bracteosa    Bristly twig manzanita,  Woollyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. bracteosa
Beatrice F. Howitt 2007 California Academy of Sciences
Arctostaphylos tomentosa ssp. bracteosa
Beatrice F. Howitt 1999 California Academy of Sciences
Arctostaphylos tomentosa ssp. bracteosa
2020 Mike Russler

rare native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. daciticola
2020 David Greenberger
Arctostaphylos tomentosa ssp. daciticola
2019 Susan McDougall
Arctostaphylos tomentosa ssp. daciticola
2012 John Game

Arctostaphylos tomentosa ssp. hebeclada    Woolly leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. hebeclada
2019 R.A. Chasey
Arctostaphylos tomentosa ssp. hebeclada
2019 R.A. Chasey
Arctostaphylos tomentosa ssp. hebeclada
2019 R.A. Chasey

Arctostaphylos tomentosa ssp. tomentosa    Woolly leaf manzanita,  Woollyleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger
Arctostaphylos tomentosa ssp. tomentosa
2018 Susan McDougall
Arctostaphylos tomentosa ssp. tomentosa
2020 David Greenberger

Arctostaphylos virgata    Bolinas manzanita,  Marin manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos virgata
2018 Hunter Breck
Arctostaphylos virgata
2020 Mike Russler
Arctostaphylos virgata
2020 Mike Russler

Arctostaphylos viscida    Sticky whiteleaf manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida
2019 Julie Kierstead Nelson
Arctostaphylos viscida
2007 George W. Hartwell
Arctostaphylos viscida
2019 Belinda Lo

Arctostaphylos viscida ssp. mariposa    Mariposa manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. mariposa
2017 Sarah Williams
Arctostaphylos viscida ssp. mariposa
2017 Robert Barnard
Arctostaphylos viscida ssp. mariposa
2008 Chris Winchell

Arctostaphylos viscida ssp. pulchella    Sticky whiteleaf manzanita,  White leaf manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. pulchella
2011 Jake Ruygt
Arctostaphylos viscida ssp. pulchella
2017 Robert Barnard
Arctostaphylos viscida ssp. pulchella
2017 Robert Barnard

Arctostaphylos viscida ssp. viscida    Smooth white leaf manzanita,  Sticky whiteleaf manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos viscida ssp. viscida
2019 Susan McDougall
Arctostaphylos viscida ssp. viscida
2018 Richard Spjut
Arctostaphylos viscida ssp. viscida
2017 Robert Barnard

Asclepias curassavica    Blood flower,  Bloodflower,  tropical milkweed
non-native
Perennial herb

APOCYNACEAE

Asclepias curassavica
2018 Ron Vanderhoff
Asclepias curassavica
2020 Ron Vanderhoff
Asclepias curassavica
2021 Ron Vanderhoff

Asclepias subulata    Ajamete,  Rush milkweed,  Skeleton milkweed
native
Perennial herb

APOCYNACEAE

Asclepias subulata
2017 Thomas Egan
Asclepias subulata
2017 Thomas Egan
Asclepias subulata
2017 Wendy Walker

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

ASTERACEAE

Baccharis salicifolia
2017 Angelique Herman
Baccharis salicifolia
2018 Ron Vanderhoff
Baccharis salicifolia
2020 Aaron Echols

Baccharis sarothroides    Desertbroom baccharis
native
Shrub

ASTERACEAE

Baccharis sarothroides
2015 Keir Morse
Baccharis sarothroides
2014 Diane Etchison
Baccharis sarothroides
2018 Ron Vanderhoff

Ceanothus ferrisiae    Coyote ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus ferrisiae
2009 Lech Naumovich
Ceanothus ferrisiae
2007 Tom Cochrane
Ceanothus ferrisiae
2020 R.A. Chasey

Ceanothus maritimus    Maritime ceanothus,  San luis obispo ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus maritimus
2006 Steve Matson
Ceanothus maritimus
2019 Susan McDougall
Ceanothus maritimus
2019 Susan McDougall

Ceanothus otayensis    Otay mountain ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus otayensis
2021 Ron Vanderhoff
Ceanothus otayensis
2021 Ron Vanderhoff
Ceanothus otayensis
2021 Ron Vanderhoff

Ceanothus verrucosus    Barranca brush,  White coast ceanothus,  Wart-Stemmed Ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus verrucosus
2019 Diane Etchison
Ceanothus verrucosus
2019 Diane Etchison
Ceanothus verrucosus
2019 Susan McDougall

Erigeron glaucus    Seaside daisy,  Seaside fleabane
native
Perennial herb

ASTERACEAE

Erigeron glaucus
2021 Zoya Akulova-Barlow
Erigeron glaucus
2019 James Gonsman
Erigeron glaucus
2018 Hilary Tayeb

native
Shrub

CLEOMACEAE

Peritoma arborea var. arborea
2013 Keir Morse
Peritoma arborea var. arborea
2013 Keir Morse
Peritoma arborea var. arborea
2013 Keir Morse

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

FABACEAE

Trifolium subterraneum
2008 Jennifer Buck
Trifolium subterraneum
2008 Neal Kramer
Trifolium subterraneum
2015 Chris Jaster

Arctostaphylos bakeri    Baker's manzanita
native
Shrub

ERICACEAE

Arctostaphylos bakeri
2004 David Graber
Arctostaphylos bakeri
1973 Dean Wm. Taylor
Arctostaphylos bakeri
2004 David Graber

Arctostaphylos bakeri ssp. bakeri    Baker's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos bakeri ssp. bakeri
2019 Susan McDougall
Arctostaphylos bakeri ssp. bakeri
2019 Susan McDougall
Arctostaphylos bakeri ssp. bakeri
2004 David Graber

Arctostaphylos bakeri ssp. sublaevis    The cedars manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos bakeri ssp. sublaevis
2012 John Game
Arctostaphylos bakeri ssp. sublaevis
2012 Aaron Arthur
Arctostaphylos bakeri ssp. sublaevis
2018 Susan McDougall

Arctostaphylos catalinae    Santa catalina island manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos catalinae
2020 Aaron Echols
Arctostaphylos catalinae
2017 B.J. Dion
Arctostaphylos catalinae
2018 Ron Vanderhoff

Arctostaphylos columbiana    Hairy manzanita,  Redwood manzanita
native
Tree, Shrub

ERICACEAE

Arctostaphylos columbiana
2020 R.A. Chasey
Arctostaphylos columbiana
2009 Zoya Akulova
Arctostaphylos columbiana
2020 R.A. Chasey

Arctostaphylos confertiflora    Santa rosa island manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos confertiflora
2019 Susan McDougall
Arctostaphylos confertiflora
2002 Dean Wm. Taylor
Arctostaphylos confertiflora
2011 David Graber

Arctostaphylos densiflora    Vine hill manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos densiflora
2021 Zoya Akulova
Arctostaphylos densiflora
2021 Mike Russler
Arctostaphylos densiflora
2021 Mike Russler

Arctostaphylos franciscana    Franciscan manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos franciscana
2015 Neal Kramer
Arctostaphylos franciscana
2011 Thomas Reyes
Arctostaphylos franciscana
2022 Cynthia Powell

Arctostaphylos hookeri ssp. hearstiorum    Hearst's manzanita
rare native
Tree, Shrub

ERICACEAE

Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall
Arctostaphylos hookeri ssp. hearstiorum
2019 Susan McDougall
Arctostaphylos hookeri ssp. hearstiorum
2006 Steve Matson

Arctostaphylos hooveri    Hoover's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos hooveri
2019 Susan McDougall
Arctostaphylos hooveri
2005 Dieter Wilken
Arctostaphylos hooveri
2019 Susan McDougall

Arctostaphylos imbricata    San bruno mountain manzanita,  San bruno mtn. manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos imbricata
2020 Mike Russler
Arctostaphylos imbricata
2022 Cynthia Powell
Arctostaphylos imbricata
2019 Patrick Furtado

Arctostaphylos mewukka ssp. truei    True's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos mewukka ssp. truei
2020 R.A. Chasey
Arctostaphylos mewukka ssp. truei
2021 Mike Russler
Arctostaphylos mewukka ssp. truei
2020 R.A. Chasey

Arctostaphylos montana    Mt. tamalpais manzanita
native
Shrub

ERICACEAE

Arctostaphylos montana
2012 Aaron Arthur
Arctostaphylos montana
2018 David Greenberger
Arctostaphylos montana
2012 Neal Kramer

Arctostaphylos montana ssp. montana    Mt. Tamalpais manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos montana ssp. montana
2006 Steve Matson
Arctostaphylos montana ssp. montana
2019 Adam Chasey
Arctostaphylos montana ssp. montana
2012 Aaron Arthur

Arctostaphylos montana ssp. ravenii    Presidio manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos montana ssp. ravenii
2019 Susan McDougall
Arctostaphylos montana ssp. ravenii
2012 John Game
Arctostaphylos montana ssp. ravenii
2019 Susan McDougall

Arctostaphylos nissenana    Eldorado manzanita,  Nissenan manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos nissenana
2019 Matt Berger
Arctostaphylos nissenana
2019 Matt Berger
Arctostaphylos nissenana
2019 Matt Berger

Arctostaphylos nortensis    Del norte manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos nortensis
2020 Susan McDougall
Arctostaphylos nortensis
2020 Susan McDougall
Arctostaphylos nortensis
2020 Susan McDougall

Arctostaphylos obispoensis    Bishop manzanita,  Serpentine manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos obispoensis
2019 Susan McDougall
Arctostaphylos obispoensis
2011 Chris Winchell
Arctostaphylos obispoensis
2020 Mike Russler

Arctostaphylos ohloneana    Ohlone manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos ohloneana
2011 Dylan Neubauer
Arctostaphylos ohloneana
2011 Joey Malone
Arctostaphylos ohloneana
2011 Neal Kramer

Arctostaphylos osoensis    Oso manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos osoensis
2020 David Greenberger
Arctostaphylos osoensis
2022 David Krause
Arctostaphylos osoensis
2019 Susan McDougall

Arctostaphylos pacifica    Pacific manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pacifica
2012 Terrence Gosliner
Arctostaphylos pacifica
2015 Aaron Schusteff
Arctostaphylos pacifica
© 2015 Aaron Schusteff

rare native
Shrub

ERICACEAE

Arctostaphylos parryana ssp. tumescens
2021 R.A. Chasey
Arctostaphylos parryana ssp. tumescens
2021 R.A. Chasey
Arctostaphylos parryana ssp. tumescens
2021 R.A. Chasey

Arctostaphylos pumila    Dune manzanita,  Sandmat manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pumila
2020 David Greenberger
Arctostaphylos pumila
2020 David Greenberger
Arctostaphylos pumila
2019 Mary Conway

rare native
Shrub

ERICACEAE

Arctostaphylos stanfordiana ssp. decumbens
2006 Barrett Jeffery
Arctostaphylos stanfordiana ssp. decumbens
2021 Mike Russler
Arctostaphylos stanfordiana ssp. decumbens
2013 Terry Gosliner

rare native
Shrub

ERICACEAE

Arctostaphylos stanfordiana ssp. raichei
2006 Steve Matson
Arctostaphylos stanfordiana ssp. raichei
2018 Susan McDougall
Arctostaphylos stanfordiana ssp. raichei
2006 Steve Matson

Berberis aquifolium    Mountain grape,  Mountaingrape,  Oregon grape
native
Shrub

BERBERIDACEAE

Berberis aquifolium
2020 Chico Hiking Association
Berberis aquifolium
2018 David popp
Berberis aquifolium
2006 Louis-M. Landry

Berberis aquifolium var. aquifolium    Oregon grape,  Piper's barberry
native
Shrub

BERBERIDACEAE

Berberis aquifolium var. aquifolium
2022 Bob Sweatt
Berberis aquifolium var. aquifolium
2022 Bob Sweatt
Berberis aquifolium var. aquifolium
2017 Steve Matson

Berberis aquifolium var. dictyota    Jepson's oregon grape,  Shining netvein barberry
native
Shrub

BERBERIDACEAE

Berberis aquifolium var. dictyota
2009 Ron Vanderhoff
Berberis aquifolium var. dictyota
2020 Donald Burk
Berberis aquifolium var. dictyota
2021 Mike Russler

Ceanothus arboreus    Catalina ceanothus,  Feltleaf ceanothus,  Island ceanothus
native
Shrub

RHAMNACEAE

Ceanothus arboreus
2022 Cynthia Powell
Ceanothus arboreus
2009 Keir Morse
Ceanothus arboreus
2022 Cynthia Powell

Ceanothus confusus    Rincon ridge ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus confusus
2006 Barrett Jeffery
Ceanothus confusus
2021 R.A. Chasey
Ceanothus confusus
2013 Terry Gosliner

Ceanothus cuneatus    Buck brush,  Wedgeleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus cuneatus
2016 Tom Castro
Ceanothus cuneatus
2020 Julie A. Kierstead
Ceanothus cuneatus
2018 Jay Chamberlain

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
2019 David Magney
Ceanothus cuneatus var. cuneatus
2014 Susan McDougall
Ceanothus cuneatus var. cuneatus
2009 Neal Kramer

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

RHAMNACEAE

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

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
2019 Susan McDougall
Ceanothus cuneatus var. ramulosus
2014 Robert Sikora
Ceanothus cuneatus var. ramulosus
2019 Susan McDougall

Ceanothus dentatus    Dwarf ceanothus,  Sandscrub ceanothus
native
Shrub

RHAMNACEAE

Ceanothus dentatus
2008 Gary McDonald
Ceanothus dentatus
2005 Dieter Wilken
Ceanothus dentatus
2008 Gary McDonald

Ceanothus divergens    Calistoga ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus divergens
2019 Susan McDougall
Ceanothus divergens
2012 Aaron Arthur
Ceanothus divergens
2006 Steve Matson

Ceanothus gloriosus var. porrectus    Inverness ceanothus,  Mt. vision ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus gloriosus var. porrectus
2013 Amelia Ryan
Ceanothus gloriosus var. porrectus
2000 Doreen L. Smith
Ceanothus gloriosus var. porrectus
2013 Aaron Arthur

Ceanothus greggii    Desert ceanothus
native
Shrub

RHAMNACEAE

Ceanothus greggii
2005 James M. Andre
Ceanothus greggii
2013 Susan McDougall
Ceanothus greggii
2014 Garth Wadsworth

Ceanothus megacarpus    Big pod ceanothus,  Bigpod ceanothus
native
Shrub

RHAMNACEAE

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

Ceanothus megacarpus var. megacarpus    Big pod ceanothus,  Bigpod ceanothus
native
Shrub

RHAMNACEAE

Ceanothus megacarpus var. megacarpus
2019 Ron Vanderhoff
Ceanothus megacarpus var. megacarpus
2022 Ron Vanderhoff
Ceanothus megacarpus var. megacarpus
2022 Ron Vanderhoff

Ceanothus ophiochilus    Vail lake ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus ophiochilus
2004 Brian Parker
Ceanothus ophiochilus
2004 Brian Parker

Ceanothus sonomensis    Sonoma ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus sonomensis
2012 Jake Ruygt
Ceanothus sonomensis
2015 Susan McDougall
Ceanothus sonomensis
2015 Barry Breckling

Dipterostemon capitatus    Blue dicks
native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus
2020 Bryant Baker
Dipterostemon capitatus
2020 Bryant Baker
Dipterostemon capitatus
2020 Cheryl Ballantyne

native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. capitatus
2019 Jim Morefield
Dipterostemon capitatus ssp. capitatus
2016 Steve Matson
Dipterostemon capitatus ssp. capitatus
2008 Steve Matson

Dipterostemon capitatus ssp. lacuna-vernalis    Vernal pool blue dicks
native
Perennial herb

THEMIDACEAE

Dipterostemon capitatus ssp. lacuna-vernalis
2015 Robert E. Preston, Ph.D.
Dipterostemon capitatus ssp. lacuna-vernalis
2015 Robert E. Preston, Ph.D.
Dipterostemon capitatus ssp. lacuna-vernalis
2015 Robert E. Preston, Ph.D.

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

ASTERACEAE

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

Erysimum capitatum var. lompocense    San luis obispo wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. lompocense
Donald Myrick 1999 California Academy of Sciences
Erysimum capitatum var. lompocense
2006 Adonis (Don) Tate
Erysimum capitatum var. lompocense
2006 Adonis (Don) Tate

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

ROSACEAE

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

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

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

Ribes aureum var. gracillimum    Golden currant
native
Shrub

GROSSULARIACEAE

Ribes aureum var. gracillimum
1967 Dean Wm. Taylor
Ribes aureum var. gracillimum
2019 Matt Berger
Ribes aureum var. gracillimum
2022 Alexander S. Kunz

Salix alba    White willow
non-native
Shrub, Tree

SALICACEAE

Salix alba
2008 Louis-M. Landry
Salix alba
2008 Louis-M. Landry

Salix babylonica    Weeping willow
non-native
Tree

SALICACEAE

Salix babylonica
2015 Jean Pawek
Salix babylonica
2018 Ron Vanderhoff
Salix babylonica
2018 Ron Vanderhoff

Salix drummondiana    Drummond's willow
native
Shrub

SALICACEAE


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

SALICACEAE

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

Salix exigua var. exigua    Narrowleaf willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. exigua
2013 Neal Kramer
Salix exigua var. exigua
2014 Robert Sikora
Salix exigua var. exigua
2014 Robert Sikora

Salix exigua var. hindsiana    Sandbar willow
native
Tree, Shrub

SALICACEAE

Salix exigua var. hindsiana
2015 Neal Kramer
Salix exigua var. hindsiana
2017 Angelique Herman
Salix exigua var. hindsiana
2017 Alice Cummings

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

SALICACEAE

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

Salix laevigata    Polished willow,  Red willow
native
Tree

SALICACEAE

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

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

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

Salix lemmonii    Lemmon's willow
native
Shrub

SALICACEAE

Salix lemmonii
2014 Zoya Akulova
Salix lemmonii
2016 Jean Pawek
Salix lemmonii
2016 Jean Pawek

Salix prolixa    Mackenzie's willow
native
Tree, Shrub

SALICACEAE

Salix prolixa
2012 Zoya Akulova
Salix prolixa
2014 Zoya Akulova
Salix prolixa
2014 Zoya Akulova

Salix scouleriana    Nuttall willow,  Scouler willow,  Scouler's willow
native
Tree, Shrub

SALICACEAE

Salix scouleriana
2008 Joseph Dougherty, M.D./ecology.org
Salix scouleriana
2015 Trent M. Draper
Salix scouleriana
2012 Steve Matson

Salix Xsepulcralis    Weeping willow
non-native
Tree

SALICACEAE

Salix Xsepulcralis
2007 Louis-M. Landry
Salix Xsepulcralis
2007 Louis-M. Landry
Salix Xsepulcralis
2007 Louis-M. Landry

Trifolium alexandrinum    Egyptian clover
non-native
Annual herb

FABACEAE

Trifolium alexandrinum
2013 Jake Ruygt
Trifolium alexandrinum
2018 Zoya Akulova
Trifolium alexandrinum
2018 Zoya Akulova

Trifolium barbigerum    Bearded clover
native
Annual herb

FABACEAE

Trifolium barbigerum
2011 Dylan Neubauer
Trifolium barbigerum
2009 Neal Kramer
Trifolium barbigerum
2012 Al Keuter

Trifolium depauperatum    Cowbag clover,  Dwarf sack clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum
2022 Ken-ichi Ueda
Trifolium depauperatum
2017 Diane Etchison
Trifolium depauperatum
2017 Art Clark

Trifolium depauperatum var. amplectens    Balloon sack clover,  Pale bladder clover,  Pale sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. amplectens
2018 David Greenberger
Trifolium depauperatum var. amplectens
2013 Andrea Williams
Trifolium depauperatum var. amplectens
2018 David Greenberger

Trifolium depauperatum var. depauperatum    Cowbag clover,  Dwarf bladder clover,  Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. depauperatum
2021 Steve Matson
Trifolium depauperatum var. depauperatum
2021 Steve Matson
Trifolium depauperatum var. depauperatum
2010 Ron Wolf

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 hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
2004 Carol W. Witham
Trifolium hirtum
2008 Keir Morse
Trifolium hirtum
2013 Zoya Akulova

Trifolium incarnatum    Crimson clover
non-native
Annual herb

FABACEAE

Trifolium incarnatum
2018 Tim Lewis
Trifolium incarnatum
2019 Amy Rapport
Trifolium incarnatum
2018 Cynthia Powell

Abronia latifolia    Coastal sand verbena,  Sand verbena,  Yellow sand verbena
native
Perennial herb

NYCTAGINACEAE

Abronia latifolia
2019 Katy Pye
Abronia latifolia
2019 Katy Pye
Abronia latifolia
2020 David Krause

Arctostaphylos crustacea ssp. eastwoodiana    Eastwood's brittle-leaf manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. eastwoodiana
2006 Adonis (Don) Tate
Arctostaphylos crustacea ssp. eastwoodiana
2006 Adonis (Don) Tate
Arctostaphylos crustacea ssp. eastwoodiana
2006 Adonis (Don) Tate

Arctostaphylos glandulosa ssp. gabrielensis    San gabriel manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. gabrielensis
2011 Neal Kramer
Arctostaphylos glandulosa ssp. gabrielensis
1993 David Graber
Arctostaphylos glandulosa ssp. gabrielensis
1993 David Graber

Arctostaphylos glutinosa    Schreiber's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos glutinosa
2011 Neal Kramer
Arctostaphylos glutinosa
2011 Joey Malone
Arctostaphylos glutinosa
2011 Neal Kramer

Arctostaphylos hispidula    Howell's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos hispidula
2019 Adam Chasey
Arctostaphylos hispidula
2019 Adam Chasey
Arctostaphylos hispidula
2008 Norman Jensen

Arctostaphylos manzanita ssp. elegans    Konocti manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. elegans
2008 Rodney W. Lacey
Arctostaphylos manzanita ssp. elegans
2017 Robert Barnard
Arctostaphylos manzanita ssp. elegans
2008 Rodney W. Lacey

Arctostaphylos parryana    Parry manzanita
native
Shrub

ERICACEAE

Arctostaphylos parryana
2020 Janith Johnson
Arctostaphylos parryana
2016 Keir Morse
Arctostaphylos parryana
2003 Brent Miller

native
Shrub

ERICACEAE

Arctostaphylos parryana ssp. desertica
2016 Tom Chester
Arctostaphylos parryana ssp. desertica
2016 Tom Chester
Arctostaphylos parryana ssp. desertica
© 2016 Tom Chester

native
Shrub

ERICACEAE

Arctostaphylos parryana ssp. parryana
2021 Mike Russler
Arctostaphylos parryana ssp. parryana
2021 Mike Russler
Arctostaphylos parryana ssp. parryana
2016 Brian Powell

Arctostaphylos uva-ursi    Bearberry manzanita,  Kinnikinnick
native
Shrub

ERICACEAE

Arctostaphylos uva-ursi
2020 Doug Allshouse
Arctostaphylos uva-ursi
2019 Cynthia Powell
Arctostaphylos uva-ursi
2022 Cynthia Powell

Asclepias albicans    White stemmed milkweed,  Whitestem milkweed
native
Shrub

APOCYNACEAE

Asclepias albicans
2019 Bonnie Nickel
Asclepias albicans
2010 Aaron Schusteff
Asclepias albicans
2019 Matt Berger

Asclepias cordifolia    Heart leaf milkweed,  Heartleaf milkweed,  Purple milkweed
native
Perennial herb

APOCYNACEAE

Asclepias cordifolia
2020 Zane Walker
Asclepias cordifolia
2022 Jamie Spielmann
Asclepias cordifolia
2020 Zane Walker

Berberis aquifolium var. repens    Creeping oregon grape,  Dwarf mahonia
native
Shrub

BERBERIDACEAE

Berberis aquifolium var. repens
2021 Steve Matson
Berberis aquifolium var. repens
2021 Steve Matson
Berberis aquifolium var. repens
2013 James Gonsman

Ceanothus crassifolius    Hoary leaved ceanothus,  Hoaryleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus crassifolius
2021 Dave Beller
Ceanothus crassifolius
2018 Aaron Echols
Ceanothus crassifolius
2009 Thomas Stoughton

Ceanothus crassifolius var. crassifolius    Hoary leaved ceanothus
native
Shrub

RHAMNACEAE

Ceanothus crassifolius var. crassifolius
2019 Aaron Echols
Ceanothus crassifolius var. crassifolius
2019 Diane Etchison
Ceanothus crassifolius var. crassifolius
2019 Ron Vanderhoff

Ceanothus crassifolius var. planus    Hoary leaved ceanothus
native
Shrub

RHAMNACEAE


Ceanothus decornutus    Nicasio ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus decornutus
2012 Vernon Smith
Ceanothus decornutus
2015 Robert Steers
Ceanothus decornutus
2015 Robert Steers

Ceanothus foliosus    Wavy leaved ceanothus,  Wavyleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus foliosus
2014 Robert Sikora
Ceanothus foliosus
1998 Dean Wm. Taylor

Ceanothus foliosus var. medius    La cuesta ceanothus,  Wavyleaf buckbrush
native
Shrub

RHAMNACEAE

Ceanothus foliosus var. medius
2018 Michael Mitchell
Ceanothus foliosus var. medius
2005 Dieter Wilken

Ceanothus foliosus var. viejasensis    Viejas Mountain ceanothus
rare native
Shrub

RHAMNACEAE


Ceanothus foliosus var. vineatus    Vine hill ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus foliosus var. vineatus
2012 Aaron Arthur
Ceanothus foliosus var. vineatus
2013 Terry Gosliner
Ceanothus foliosus var. vineatus
2017 Adam Chasey

Ceanothus gloriosus    Glory mat,  Point reyes ceanothus
native
Shrub

RHAMNACEAE

Ceanothus gloriosus
2008 Jorg Fleige
Ceanothus gloriosus
2011 Thomas Reyes
Ceanothus gloriosus
2012 Aaron Arthur

Ceanothus gloriosus var. exaltatus    Glory brush,  Point reyes ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus gloriosus var. exaltatus
2011 Thomas Reyes
Ceanothus gloriosus var. exaltatus
2015 Susan McDougall
Ceanothus gloriosus var. exaltatus
2017 Adam Chasey

Ceanothus gloriosus var. gloriosus    Point reyes ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus gloriosus var. gloriosus
2008 Jorg Fleige
Ceanothus gloriosus var. gloriosus
2015 Susan McDougall
Ceanothus gloriosus var. gloriosus
2012 Aaron Arthur

Ceanothus hearstiorum    Hearst ranch buckbrush,  Hearst's ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus hearstiorum
2009 Jean Pawek
Ceanothus hearstiorum
2006 Steve Matson
Ceanothus hearstiorum
2009 Jean Pawek

Ceanothus jepsonii    Jepson ceanothus,  Musk brush
native
Shrub

RHAMNACEAE

Ceanothus jepsonii
2000 Bart and Susan Eisenberg
Ceanothus jepsonii
2013 Robert Steers
Ceanothus jepsonii
2018 Tina Curiel

Ceanothus leucodermis    Chaparral whitethorn
native
Shrub

RHAMNACEAE

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

Ceanothus masonii    Bolinas ceanothus,  Mason's ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus masonii
2015 Linda Vassallo
Ceanothus masonii
2012 Vernon Smith
Ceanothus masonii
2019 R.A. Chasey

Ceanothus oliganthus    Hairy ceanothus
native
Shrub

RHAMNACEAE

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

native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. oliganthus
2019 Ron Vanderhoff
Ceanothus oliganthus var. oliganthus
2021 Bryant Baker
Ceanothus oliganthus var. oliganthus
2021 Bryant Baker

Ceanothus oliganthus var. orcuttii    San diego hairy ceanothus
native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. orcuttii
2018 Ron Vanderhoff
Ceanothus oliganthus var. orcuttii
2018 Ron Vanderhoff
Ceanothus oliganthus var. orcuttii
2016 Ron Vanderhoff

native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. sorediatus
2013 Vernon Smith
Ceanothus oliganthus var. sorediatus
2009 Barry Breckling
Ceanothus oliganthus var. sorediatus
2019 Susan McDougall

Ceanothus pendletonensis    Pendleton ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus pendletonensis
2019 Ron Vanderhoff
Ceanothus pendletonensis
2019 Ron Vanderhoff
Ceanothus pendletonensis
2019 Ron Vanderhoff

Ceanothus purpureus    Hollyleaf ceanothus,  Napa ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus purpureus
2012 Jorg & Mimi Fleige
Ceanothus purpureus
2008 Neal Kramer
Ceanothus purpureus
2020 R.A. Chasey

Ceanothus rigidus    Monterey ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus rigidus
2021 Emily Poor
Ceanothus rigidus
2018 Gary McDonald
Ceanothus rigidus
2008 Gary McDonald

Ceanothus spinosus    Greenbark ceanothus,  Redheart
native
Tree, Shrub

RHAMNACEAE

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

Ceanothus thyrsiflorus    Blueblossom
native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus
2020 David Greenberger
Ceanothus thyrsiflorus
2020 R.A. Chasey
Ceanothus thyrsiflorus
2018 Rick Kuyper

Ceanothus thyrsiflorus var. griseus    Carmel ceanothus
native
Shrub

RHAMNACEAE

Ceanothus thyrsiflorus var. griseus
2014 Robert Sikora
Ceanothus thyrsiflorus var. griseus
2006 Steve Matson
Ceanothus thyrsiflorus var. griseus
Gerald and Buff Corsi 2009 California Academy of Sciences

native
Tree, Shrub

RHAMNACEAE

Ceanothus thyrsiflorus var. thyrsiflorus
2019 Patrick Furtado
Ceanothus thyrsiflorus var. thyrsiflorus
2022 Mary Conway
Ceanothus thyrsiflorus var. thyrsiflorus
2022 Cynthia Powell

Ceanothus tomentosus    Woolly leaf ceanothus,  Woolyleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus tomentosus
2019 Diane Etchison
Ceanothus tomentosus
2022 Ron Vanderhoff
Ceanothus tomentosus
2019 Ron Vanderhoff

Ceanothus velutinus    Tobacco brush, snowbrush
native
Tree, Shrub

RHAMNACEAE

Ceanothus velutinus
2020 Bob Sweatt
Ceanothus velutinus
2019 Susan McDougall
Ceanothus velutinus
2021 Mike Russler

Dipterostemon capitatus ssp. pauciflorus    Few flowered blue dicks
native

THEMIDACEAE

Dipterostemon capitatus ssp. pauciflorus
2004 James M. Andre
Dipterostemon capitatus ssp. pauciflorus
2014 John Doyen
Dipterostemon capitatus ssp. pauciflorus
2019 John Doyen

Erysimum capitatum    Sanddune wallflower,  Western wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum
2018 Janith Johnson
Erysimum capitatum
2007 Thomas Stoughton
Erysimum capitatum
2021 Cyril Guyot

Erysimum capitatum var. angustatum    Contra costa wallflower
rare native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. angustatum
2018 Molly Ferrell
Erysimum capitatum var. angustatum
2018 Molly Ferrell

Erysimum capitatum var. purshii    Pursh's wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. purshii
2009 Lee Dittmann
Erysimum capitatum var. purshii
2009 Lee Dittmann

Justicia californica    Beloperone,  Chuparosa
native
Shrub

ACANTHACEAE

Justicia californica
2020 Matt Berger
Justicia californica
2020 David Greenberger
Justicia californica
1998 Christopher L. Christie

Phacelia tanacetifolia    Lacy phacelia,  Tansy leafed phacelia
native
Annual herb

HYDROPHYLLACEAE

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

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

Salix breweri    Brewer's willow,  Serpentine willow
native
Shrub

SALICACEAE

Salix breweri
2022 Ryan O'Dell
Salix breweri
2021 R.A. Chasey
Salix breweri
1997 Dean Wm. Taylor

Salix geyeriana    Geyer's willow
native
Shrub

SALICACEAE

Salix geyeriana
2014 Trent M. Draper
Salix geyeriana
2014 Trent M. Draper
Salix geyeriana
2014 Trent M. Draper

Salix lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra
2020 Ron Vanderhoff
Salix lasiandra
2007 Neal Kramer
Salix lasiandra
2018 Steve Matson

Salix lasiandra var. caudata    Shining willow
native
Shrub

SALICACEAE

Salix lasiandra var. caudata
1995 Saint Mary's College of California
Salix lasiandra var. caudata
1995 Saint Mary's College of California
Salix lasiandra var. caudata
1995 Saint Mary's College of California

Salix lasiandra var. lasiandra    Pacific willow
native
Tree

SALICACEAE

Salix lasiandra var. lasiandra
2007 Neal Kramer
Salix lasiandra var. lasiandra
2020 Diana Wahl
Salix lasiandra var. lasiandra
2020 Alice Cummings

Salix ligulifolia    Strapleaf willow,  Tongueleaf willow
native
Shrub

SALICACEAE

Salix ligulifolia
© 2016 Chris Wagner
Salix ligulifolia
2016 Chris Wagner
Salix ligulifolia
2018 David popp

Salix lutea    Yellow willow
native
Shrub

SALICACEAE

Salix lutea
2002 John Bair
Salix lutea
2002 John Bair
Salix lutea
2017 Zoya Akulova

Salix purpurea    Purpleosier willow
non-native
Tree

SALICACEAE

Salix purpurea
2007 Dr. Amadej Trnkoczy
Salix purpurea
2008 Dr. Amadej Trnkoczy

Salix sitchensis    Coulter willow,  Sitka willow
native
Tree, Shrub

SALICACEAE

Salix sitchensis
2008 Keir Morse
Salix sitchensis
2015 Doreen L. Smith
Salix sitchensis
2008 Keir Morse

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

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

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

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

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

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

Trifolium dichotomum    Branched indian clover
native
Annual herb

FABACEAE

Trifolium dichotomum
2008 Keir Morse
Trifolium dichotomum
2015 Aaron Schusteff
Trifolium dichotomum
2022 Helen Hancock

Trifolium glomeratum    Clustered clover
non-native
Annual herb

FABACEAE

Trifolium glomeratum
2012 Michael Mitchell
Trifolium glomeratum
2020 Ryan Carle
Trifolium glomeratum
2012 Michael Mitchell

Trifolium jokerstii    Jim's clover
rare native
Annual herb

FABACEAE

Trifolium jokerstii
2008 George W. Hartwell
Trifolium jokerstii
2020 David popp
Trifolium jokerstii
2008 George W. Hartwell

Trifolium longipes    Long stalked clover,  Longstalk clover,  Summer clover
native
Perennial herb

FABACEAE

Trifolium longipes
2020 Bob Sweatt
Trifolium longipes
2020 Bob Sweatt
Trifolium longipes
2010 Keir Morse

Trifolium longipes ssp. atrorubens    Longstalk clover
native
Perennial herb

FABACEAE

Trifolium longipes ssp. atrorubens
2019 Diane Etchison
Trifolium longipes ssp. atrorubens
2019 Diane Etchison
Trifolium longipes ssp. atrorubens
2019 Diane Etchison

Trifolium longipes ssp. elmeri    Elmer's clover
native
Perennial herb

FABACEAE

Trifolium longipes ssp. elmeri
2022 Dana York
Trifolium longipes ssp. elmeri
2020 R.A. Chasey
Trifolium longipes ssp. elmeri
2020 R.A. Chasey

Trifolium longipes ssp. hansenii    Hansen's clover
native
Perennial herb

FABACEAE

Trifolium longipes ssp. hansenii
2010 Keir Morse
Trifolium longipes ssp. hansenii
2009 Barry Breckling
Trifolium longipes ssp. hansenii
2009 Keir Morse

native
Perennial herb

FABACEAE

Trifolium longipes ssp. multipedunculatum
2020 Susan McDougall
Trifolium longipes ssp. multipedunculatum
2020 Susan McDougall
Trifolium longipes ssp. multipedunculatum
2015 Susan McDougall

native
Perennial herb

FABACEAE

Trifolium longipes ssp. oreganum
2013 Dana York
Trifolium longipes ssp. oreganum
2013 Dana York
Trifolium longipes ssp. oreganum
1995 Saint Mary's College of California

Trifolium longipes ssp. shastense    Longstalk clover
native
Perennial herb

FABACEAE

Trifolium longipes ssp. shastense
2002 Gary A. Monroe
Trifolium longipes ssp. shastense
2002 Gary A. Monroe

Trifolium macraei    Chilean clover,  Macrae's clover
native
Annual herb

FABACEAE

Trifolium macraei
2013 Zoya Akulova
Trifolium macraei
2013 Robert Steers/NPS
Trifolium macraei
2013 Zoya Akulova

Trifolium palmeri    Southern island clover
rare native
Annual herb

FABACEAE

Trifolium palmeri
2011 Dylan Neubauer
Trifolium palmeri
2012 Gary A. Monroe
Trifolium palmeri
2011 Neal Kramer

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
2016 Cheryl Ballantyne
Trifolium variegatum
2017 Michael Mitchell
Trifolium variegatum
2019 Diane Etchison

Trifolium variegatum var. geminiflorum    Small-flowered variegated clover
native
Annual herb

FABACEAE

Trifolium variegatum var. geminiflorum
2008 Steve Matson
Trifolium variegatum var. geminiflorum
2014 Al Keuter
Trifolium variegatum var. geminiflorum
2012 Steven Perry

Trifolium variegatum var. major    Large variegated clover
native
Annual herb

FABACEAE

Trifolium variegatum var. major
2013 Jean Pawek
Trifolium variegatum var. major
2015 Al Keuter
Trifolium variegatum var. major
2013 Jean Pawek

Trifolium variegatum var. variegatum    Variegated clover
native
Annual herb

FABACEAE

Trifolium variegatum var. variegatum
2011 George Jackson
Trifolium variegatum var. variegatum
2013 Zoya Akulova
Trifolium variegatum var. variegatum
2011 Dylan Neubauer

Arctostaphylos malloryi    Balaklala manzanita,  Mallory's manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos malloryi
2009 Timothy D. Ives
Arctostaphylos malloryi
2018 Michael Dolan
Arctostaphylos malloryi
2006 Dean Wm. Taylor

Asclepias californica    California milkweed
native
Perennial herb

APOCYNACEAE

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

Asclepias cryptoceras    Dwarf milkweed,  Humboldt mountains milkweed,  Pallid milkweed
native
Perennial herb

APOCYNACEAE

Asclepias cryptoceras
2010 Steve Matson
Asclepias cryptoceras
2012 Nicholas Jensen
Asclepias cryptoceras
2013 Mary Winter

Asclepias erosa    Desert milkweed
native
Perennial herb

APOCYNACEAE

Asclepias erosa
2020 Alexander S. Kunz
Asclepias erosa
2020 Alexander S. Kunz
Asclepias erosa
2003 James M. Andre

Asclepias linaria    Needle leaf milkweed,  Pineneedle milkweed
non-native
Perennial herb, Shrub

APOCYNACEAE

Asclepias linaria
2008 Neal Kramer
Asclepias linaria
2017 John Doyen
Asclepias linaria
2008 Neal Kramer

Asclepias vestita    Milkweed,  Woolly milkweed
native
Perennial herb

APOCYNACEAE

Asclepias vestita
2019 Deedee Soto
Asclepias vestita
2019 Deedee Soto
Asclepias vestita
2019 Deedee Soto

Ceanothus arcuatus    Arching ceanothus
native
Tree, Shrub

RHAMNACEAE

Ceanothus arcuatus
2021 Julie A. Kierstead
Ceanothus arcuatus
2021 Steve Matson
Ceanothus arcuatus
2021 Steve Matson

Ceanothus cyaneus    Lakeside ceanothus,  San diego buckbrush,  San diego ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus cyaneus
2008 Andrew Borcher
Ceanothus cyaneus
2009 Anna Bennett
Ceanothus cyaneus
2009 Anna Bennett

Ceanothus foliosus var. foliosus    Wavy leaved ceanothus,  Wavyleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus foliosus var. foliosus
2021 Zoya Akulova-Barlow
Ceanothus foliosus var. foliosus
2021 Michelle Karle
Ceanothus foliosus var. foliosus
2021 R.A. Chasey

Ceanothus impressus    Santa barbara ceanothus
native
Shrub

RHAMNACEAE

Ceanothus impressus
2010 Zoya Akulova
Ceanothus impressus
2006 Steve Matson
Ceanothus impressus
2011 Zoya Akulova

Ceanothus impressus var. impressus    Santa barbara ceanothus
native
Shrub

RHAMNACEAE

Ceanothus impressus var. impressus
2020 David Greenberger
Ceanothus impressus var. impressus
2020 David Greenberger
Ceanothus impressus var. impressus
2005 Dieter Wilken

Ceanothus impressus var. nipomensis    Nipomo mesa ceanothus,  Santa barbara ceanothus
native
Shrub

RHAMNACEAE

Ceanothus impressus var. nipomensis
2006 Steve Matson
Ceanothus impressus var. nipomensis
2018 Susan McDougall
Ceanothus impressus var. nipomensis
2018 Susan McDougall

Ceanothus lemmonii    Lemmon's ceanothus
native
Shrub

RHAMNACEAE

Ceanothus lemmonii
2022 Jamie Spielmann
Ceanothus lemmonii
2022 Julie A. Kierstead
Ceanothus lemmonii
2016 Steve Matson

Ceanothus palmeri    Palmer ceanothus,  Palmer's ceanothus
native
Shrub

RHAMNACEAE

Ceanothus palmeri
2022 Ryan O'Dell
Ceanothus palmeri
2019 Bryant Baker
Ceanothus palmeri
2021 Emily Sluiman

Ceanothus papillosus    Wartleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2019 Susan McDougall
Ceanothus papillosus
2009 Neal Kramer

Ceanothus parryi    Parry ceanothus
native
Shrub

RHAMNACEAE

Ceanothus parryi
2022 Cynthia Powell
Ceanothus parryi
2022 Cynthia Powell
Ceanothus parryi
2018 Cynthia Powell

Ceanothus pauciflorus    Mojave ceanothus
native
Shrub

RHAMNACEAE

Ceanothus pauciflorus
1995 Larry Blakely
Ceanothus pauciflorus
2011 Steve Matson
Ceanothus pauciflorus
2019 Diane Etchison

Ceanothus perplexans    Cupped leaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus perplexans
2017 Michelle Tollett
Ceanothus perplexans
2016 Ron Vanderhoff
Ceanothus perplexans
2015 Keir Morse

Ceanothus prostratus    Mahala mats,  Pinemat
native
Shrub

RHAMNACEAE

Ceanothus prostratus
2020 Bob Sweatt
Ceanothus prostratus
2020 Bob Sweatt
Ceanothus prostratus
2021 Steve Matson

native
Shrub

RHAMNACEAE

Ceanothus prostratus var. occidentalis
2020 Tim Miller
Ceanothus prostratus var. occidentalis
2020 Tim Miller

native
Shrub

RHAMNACEAE

Ceanothus prostratus var. prostratus
2021 Steve Matson
Ceanothus prostratus var. prostratus
2021 Steve Matson
Ceanothus prostratus var. prostratus
2018 Steven Perry

Ceanothus pumilus    Dwarf ceanothus,  Siskiyou mat
native
Shrub

RHAMNACEAE

Ceanothus pumilus
2017 Steve Matson
Ceanothus pumilus
2017 Steve Matson
Ceanothus pumilus
2017 Steve Matson

Ceanothus roderickii    Pine hill buckbrush,  Pine hill ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus roderickii
2020 Matt Berger
Ceanothus roderickii
2020 Matt Berger
Ceanothus roderickii
2020 Matt Berger

Ceanothus sanguineus    Red stem ceanothus,  Redstem ceanothus
native
Shrub

RHAMNACEAE

Ceanothus sanguineus
2000 Thayne Tuason
Ceanothus sanguineus
2012 RT Hawke

Erysimum capitatum var. capitatum    Sanddune wallflower
native
Perennial herb

BRASSICACEAE

Erysimum capitatum var. capitatum
2019 David Greenberger
Erysimum capitatum var. capitatum
2008 Keir Morse
Erysimum capitatum var. capitatum
2020 Susan McDougall

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

PHRYMACEAE

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

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

ASTERACEAE

Grindelia camporum
2015 Diane Etchison
Grindelia camporum
2019 Ron Vanderhoff
Grindelia camporum
2019 Ron Vanderhoff

Prunus virginiana    Chokecherry
native
Tree, Shrub

ROSACEAE

Prunus virginiana
2022 Bob Sweatt
Prunus virginiana
2021 Arlee Montalvo
Prunus virginiana
2021 Arlee Montalvo

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

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

Ribes aureum    Golden currant
native
Shrub

GROSSULARIACEAE

Ribes aureum
2018 Marcyn Del Clements
Ribes aureum
2019 Ron Vanderhoff
Ribes aureum
2019 Ron Vanderhoff

Ribes aureum var. aureum    Golden currant
native
Shrub

GROSSULARIACEAE

Ribes aureum var. aureum
2010 Barry Breckling
Ribes aureum var. aureum
1998 Dean Wm. Taylor
Ribes aureum var. aureum
2019 Susan McDougall

Salix delnortensis    Del norte willow
rare native
Shrub

SALICACEAE

Salix delnortensis
2004 Norman Jensen
Salix delnortensis
2011 Zoya Akulova
Salix delnortensis
2004 Norman Jensen

Salix hookeriana    Coastal willow,  Dune willow
native
Tree, Shrub

SALICACEAE

Salix hookeriana
1995 Saint Mary's College of California
Salix hookeriana
2014 Zoya Akulova
Salix hookeriana
2014 Zoya Akulova

Salix orestera    Sierra willow
native
Shrub

SALICACEAE

Salix orestera
2006 Steve Matson
Salix orestera
2010 Barry Breckling
Salix orestera
2006 Steve Matson

Salix tracyi    Tracy's willow
native
Tree, Shrub

SALICACEAE


Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

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

Solidago confinis    Southern goldenrod
native
Perennial herb

ASTERACEAE

Solidago confinis
2003 Christopher L. Christie
Solidago confinis
2014 Neal Kramer
Solidago confinis
2014 Neal Kramer

Trifolium amoenum    Showy indian clover
rare native
Annual herb

FABACEAE

Trifolium amoenum
2017 James Gonsman
Trifolium amoenum
2016 Eugenia McNaughton
Trifolium amoenum
2016 Eugenia McNaughton

Trifolium angustifolium    Narrow leaved clover,  Narrowleaf crimson clover
non-native
Annual herb

FABACEAE

Trifolium angustifolium
2019 Gary McDonald
Trifolium angustifolium
2011 Zoya Akulova
Trifolium angustifolium
2022 Irene Rosen

Trifolium bifidum    Notch leaf clover,  Notchleaf clover,  Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum
2011 Jorg & Mimi Fleige
Trifolium bifidum
2011 Jorg & Mimi Fleige
Trifolium bifidum
2013 Zoya Akulova

Trifolium bifidum var. bifidum    Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum var. bifidum
2013 Zoya Akulova
Trifolium bifidum var. bifidum
2012 Al Keuter
Trifolium bifidum var. bifidum
2019 David Magney

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
2004 Carol W. Witham
Trifolium bifidum var. decipiens
2008 Keir Morse
Trifolium bifidum var. decipiens
2008 Keir Morse

Trifolium buckwestiorum    Santa cruz clover
rare native
Annual herb

FABACEAE

Trifolium buckwestiorum
2011 Dylan Neubauer
Trifolium buckwestiorum
1997 Doreen L. Smith

Trifolium campestre    Field clover,  Low hop clover
non-native
Annual herb

FABACEAE

Trifolium campestre
2007 Neal Kramer
Trifolium campestre
2013 Zoya Akulova
Trifolium campestre
2014 Monty Rickard

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
2020 Diane Etchison
Trifolium ciliolatum
2019 Ron Vanderhoff
Trifolium ciliolatum
2020 Diane Etchison

Trifolium columbinum    Olive clover
native
Annual herb

FABACEAE

Trifolium columbinum
2017 David popp
Trifolium columbinum
2019 David popp
Trifolium columbinum
2019 David popp

Trifolium dubium    Shamrock clover,  Little Hop Clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
2008 Jorg Fleige
Trifolium dubium
2004 Carol W. Witham
Trifolium dubium
2015 Barry Breckling

Trifolium fucatum    Bull clover,  Sour clover
native
Annual herb

FABACEAE

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

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

FABACEAE

Trifolium gracilentum
2006 Doreen L. Smith
Trifolium gracilentum
2008 Zoya Akulova
Trifolium gracilentum
2008 Zoya Akulova

Trifolium grayi    Gray's clover
native
Annual herb

FABACEAE

Trifolium grayi
2007 Neal Kramer
Trifolium grayi
2010 Vernon Smith
Trifolium grayi
2013 Vernon Smith

Trifolium hydrophilum    Saline clover
rare native
Annual herb

FABACEAE

Trifolium hydrophilum
2005 Dean Wm. Taylor
Trifolium hydrophilum
2005 Aaron Schusteff
Trifolium hydrophilum
2005 Aaron Schusteff

Trifolium macrocephalum    Big headed clover,  Largehead clover
native
Perennial herb

FABACEAE

Trifolium macrocephalum
2009 Gary A. Monroe
Trifolium macrocephalum
2008 Christopher L. Christie
Trifolium macrocephalum
2009 Matt Below

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
2016 Michael Mitchell
Trifolium microcephalum
2016 Michael Mitchell
Trifolium microcephalum
2018 Zoya Akulova

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 obtusiflorum    Clammy clover,  Creek clover
native
Annual herb

FABACEAE

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

Trifolium oliganthum    Few flowered clover,  Fewflower clover,  Minitomcat clover
native
Annual herb

FABACEAE

Trifolium oliganthum
2007 Carol W. Witham
Trifolium oliganthum
2007 Carol W. Witham
Trifolium oliganthum
2015 Aaron Schusteff

Trifolium polyodon    Pacific grove clover
rare native
Annual herb

FABACEAE

Trifolium polyodon
2011 Dylan Neubauer
Trifolium polyodon
2017 Lynn Overtree
Trifolium polyodon
2017 Lynn Overtree

Trifolium resupinatum    Reversed clover
non-native
Annual herb

FABACEAE

Trifolium resupinatum
2009 Neal Kramer
Trifolium resupinatum
2019 James Gonsman
Trifolium resupinatum
2019 James Gonsman

Trifolium tomentosum    Woolly clover
non-native
Annual herb

FABACEAE

Trifolium tomentosum
2008 Neal Kramer
Trifolium tomentosum
2019 Ramona Robison
Trifolium tomentosum
2014 Neal Kramer

Trifolium trichocalyx    Monterey clover
rare native
Annual herb

FABACEAE

Trifolium trichocalyx
2011 Kerry Heise
Trifolium trichocalyx
2011 Kerry Heise

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
2020 Ron Vanderhoff
Trifolium willdenovii
2022 Catherine Chang
Trifolium willdenovii
2019 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

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

SAPINDACEAE

Aesculus californica
2018 Joseph Belli
Aesculus californica
2021 R.A. Chasey
Aesculus californica
2021 Cyril Guyot

Agastache urticifolia    Horse mint,  Horsemint giant hyssop,  Nettle leaf giant hyssop
native
Perennial herb

LAMIACEAE

Agastache urticifolia
2020 Bob Sweatt
Agastache urticifolia
2010 Gerald Carr
Agastache urticifolia
2010 Gerald Carr

Arctostaphylos klamathensis    Klamath manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos klamathensis
2013 Julie Kierstead Nelson
Arctostaphylos klamathensis
2012 Dean Wm. Taylor, Ph.D.
Arctostaphylos klamathensis
2020 R.A. Chasey

Arctostaphylos mewukka    Indian manzanita
native
Shrub

ERICACEAE

Arctostaphylos mewukka
2011 Steven Perry
Arctostaphylos mewukka
2018 David popp
Arctostaphylos mewukka
1992 David Graber

Arctostaphylos mewukka ssp. mewukka    Indian manzanita
native
Shrub

ERICACEAE

Arctostaphylos mewukka ssp. mewukka
2018 David popp
Arctostaphylos mewukka ssp. mewukka
2017 Robert Barnard
Arctostaphylos mewukka ssp. mewukka
2017 Robert Barnard

Arctostaphylos pringlei    Pringle manzanita
native
Shrub

ERICACEAE

Arctostaphylos pringlei
2009 Neal Kramer
Arctostaphylos pringlei
2009 Thomas Stoughton
Arctostaphylos pringlei
2009 Thomas Stoughton

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

ERICACEAE

Arctostaphylos pringlei ssp. drupacea
2019 Matt Berger
Arctostaphylos pringlei ssp. drupacea
2018 Susan McDougall
Arctostaphylos pringlei ssp. drupacea
2009 Neal Kramer

Asclepias asperula    Spider milkweed
native
Perennial herb

APOCYNACEAE

Asclepias asperula
2014 Ron Wolf
Asclepias asperula
2010 Judy McBride
Asclepias asperula
2014 Wynn Anderson

Asclepias asperula ssp. asperula    Antelope horns,  Spider milkweed
rare native
Perennial herb

APOCYNACEAE

Asclepias asperula ssp. asperula
2013 James M. Andre
Asclepias asperula ssp. asperula
2013 James M. Andre
Asclepias asperula ssp. asperula
2013 James M. Andre

Asclepias latifolia    Broadleaf milkweed
native
Shrub

APOCYNACEAE

Asclepias latifolia
2019 Richard Spellenberg
Asclepias latifolia
© 2016 Wynn Anderson
Asclepias latifolia
2019 Richard Spellenberg

Asclepias nyctaginifolia    Mojave milkweed
rare native
Perennial herb

APOCYNACEAE

Asclepias nyctaginifolia
2012 Duncan S. Bell
Asclepias nyctaginifolia
2010 James M. Andre
Asclepias nyctaginifolia
2010 Amber Swanson

Asclepias solanoana    Serpentine milkweed,  Solanoa
rare native
Perennial herb

APOCYNACEAE

Asclepias solanoana
2020 Joey Santore
Asclepias solanoana
2019 Spencer Riffle
Asclepias solanoana
2020 Joey Santore

native
Shrub

ASTERACEAE

Baccharis salicifolia ssp. salicifolia
2021 Mike Russler
Baccharis salicifolia ssp. salicifolia
2013 Keir Morse
Baccharis salicifolia ssp. salicifolia
2013 Keir Morse

Ceanothus cordulatus    Mountain whitethorn
native
Shrub

RHAMNACEAE

Ceanothus cordulatus
2021 Bob Sweatt
Ceanothus cordulatus
2003 Steve Matson
Ceanothus cordulatus
2003 Steve Matson

native
Shrub

RHAMNACEAE

Ceanothus diversifolius
2013 Debra L. Cook
Ceanothus diversifolius
2009 Barry Breckling
Ceanothus diversifolius
2009 Barry Breckling

Ceanothus fresnensis    Fresno ceanothus,  Fresno mat
rare native
Shrub

RHAMNACEAE

Ceanothus fresnensis
2013 Debra L. Cook
Ceanothus fresnensis
2012 Debra L. Cook
Ceanothus fresnensis
2021 Mike Russler

Ceanothus incanus    Coast whitethorn
native
Shrub

RHAMNACEAE

Ceanothus incanus
2018 Aaron Arthur
Ceanothus incanus
2012 Jake Ruygt
Ceanothus incanus
2018 Aaron Arthur

Ceanothus integerrimus    Deer brush,  Deerbrush
native
Shrub

RHAMNACEAE

Ceanothus integerrimus
2019 Ron Vanderhoff
Ceanothus integerrimus
2019 Diane Etchison
Ceanothus integerrimus
2018 Karen Scheuermann

native
Shrub

RHAMNACEAE

Ceanothus integerrimus var. integerrimus
2019 Ken Hickman
Ceanothus integerrimus var. integerrimus
2014 Dylan Neubauer
Ceanothus integerrimus var. integerrimus
2019 Ken Hickman

native
Shrub

RHAMNACEAE

Ceanothus integerrimus var. macrothyrsus
2015 Barry Breckling
Ceanothus integerrimus var. macrothyrsus
2014 Neal Kramer
Ceanothus integerrimus var. macrothyrsus
2018 David popp

Ceanothus pinetorum    Coville ceanothus,  Kern ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus pinetorum
2022 Mike Russler
Ceanothus pinetorum
2022 Mike Russler
Ceanothus pinetorum
2020 Christopher Winchell

Chilopsis linearis    Desert willow
native
Shrub

BIGNONIACEAE

Chilopsis linearis
2004 James M. Andre
Chilopsis linearis
2019 Marisa Persaud
Chilopsis linearis
2013 Jean Pawek

Chilopsis linearis ssp. arcuata    Desert willow
native
Shrub

BIGNONIACEAE

Chilopsis linearis ssp. arcuata
2017 Thomas Egan
Chilopsis linearis ssp. arcuata
2018 Susan McDougall
Chilopsis linearis ssp. arcuata
2012 Neal Kramer

Eriodictyon angustifolium    Narrow leaved yerba santa,  Narrowleaf yerba santa
rare native
Shrub

NAMACEAE

Eriodictyon angustifolium
2007 Trent M. Draper
Eriodictyon angustifolium
2005 James M. Andre
Eriodictyon angustifolium
2005 James M. Andre

Eriogonum umbellatum var. humistratum    Mt. Eddy buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. humistratum
2022 Dana York
Eriogonum umbellatum var. humistratum
2019 Julie Kierstead Nelson
Eriogonum umbellatum var. humistratum
2014 Neal Kramer

Grindelia stricta    Coastal gumweed,  Gumweed,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta
2022 R.A. Chasey
Grindelia stricta
2022 R.A. Chasey
Grindelia stricta
2022 Suzanne L. Weakley

Grindelia stricta var. angustifolia    Marsh gumplant,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. angustifolia
2019 Jennifer Mo
Grindelia stricta var. angustifolia
2014 James Gonsman
Grindelia stricta var. angustifolia
2013 Robert Sikora

Grindelia stricta var. platyphylla    Gumplant,  Gumweed,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. platyphylla
2020 Mary Conway
Grindelia stricta var. platyphylla
2019 Patrick Furtado
Grindelia stricta var. platyphylla
2014 Dee Warenycia

Grindelia stricta var. stricta    Coastal gum plant,  Oregon gumweed
native
Perennial herb

ASTERACEAE

Grindelia stricta var. stricta
2007 Trent M. Draper
Grindelia stricta var. stricta
2007 Trent M. Draper
Grindelia stricta var. stricta
2007 Trent M. Draper

Philadelphus lewisii    Lewis' mock orange,  Mock orange,  Wild mock orange
native
Shrub

HYDRANGEACEAE

Philadelphus lewisii
2016 Steve Matson
Philadelphus lewisii
2016 Steve Matson
Philadelphus lewisii
2022 John Rawlings

Prunus ilicifolia ssp. lyonii    Catalina cherry,  Hollyleaf cherry,  Island cherry
native
Tree

ROSACEAE

Prunus ilicifolia ssp. lyonii
2012 Sangeet Khalsa
Prunus ilicifolia ssp. lyonii
2006 BonTerra Consulting
Prunus ilicifolia ssp. lyonii
2010 Michael O'Brien

Salix bebbiana    Bebb willow,  Gray willow
rare native
Tree

SALICACEAE

Salix bebbiana
2008 Louis-M. Landry
Salix bebbiana
2008 Robert Sivinski
Salix bebbiana
2008 Louis-M. Landry

Salix boothii    Booth's willow
native
Shrub

SALICACEAE

Salix boothii
2012 Gary A. Monroe
Salix boothii
2005 John Bair
Salix boothii
2008 Steve Matson

Salix eastwoodiae    Mountain willow
native
Shrub

SALICACEAE

Salix eastwoodiae
2010 John Bair
Salix eastwoodiae
2010 John Bair
Salix eastwoodiae
2002 John Bair

Salix melanopsis    Dusky willow
native
Tree, Shrub

SALICACEAE

Salix melanopsis
2008 Keir Morse
Salix melanopsis
2015 Barry Breckling
Salix melanopsis
2014 Shawna Martinez

Salix planifolia    Diamondleaf willow
native
Shrub

SALICACEAE

Salix planifolia
2008 Steve Matson
Salix planifolia
2006 Steve Tyron
Salix planifolia
2008 Steve Matson

Salvia clevelandii    Cleveland sage,  Fragrant sage
native
Shrub

LAMIACEAE

Salvia clevelandii
2013 Keir Morse
Salvia clevelandii
2009 Curtis Croulet
Salvia clevelandii
2020 Eliezer Margolis

Salvia dorrii    Desert sage,  Dorr's sage,  Purple sage
native
Shrub

LAMIACEAE

Salvia dorrii
Geoff Burleigh
Salvia dorrii
2019 Wendy Walker
Salvia dorrii
2021 Amber Bedgood

Salvia dorrii var. dorrii    Dorr's sage
native
Shrub

LAMIACEAE

Salvia dorrii var. dorrii
2009 Thomas Stoughton
Salvia dorrii var. dorrii
2009 Thomas Stoughton
Salvia dorrii var. dorrii
2005 Brent Miller

Salvia dorrii var. incana    Desert sage,  Fleshy sage,  Great basin sage
rare native
Shrub

LAMIACEAE

Salvia dorrii var. incana
2006 Steve Matson
Salvia dorrii var. incana
2020 Susan McDougall
Salvia dorrii var. incana
2020 Susan McDougall

Salvia dorrii var. pilosa    Hairy sage
native
Shrub

LAMIACEAE

Salvia dorrii var. pilosa
2008 Neal Kramer
Salvia dorrii var. pilosa
2010 Neal Kramer
Salvia dorrii var. pilosa
2016 James Gonsman

Solidago lepida    Western goldenrod
native
Perennial herb (rhizomatous)

ASTERACEAE

Solidago lepida
2022 Bob Sweatt
Solidago lepida
2022 Bob Sweatt
Solidago lepida
Webber 1998 California Academy of Sciences (var. salebrosa)

Solidago lepida var. salebrosa    Western goldenrod
rare native
Perennial herb (rhizomatous)

ASTERACEAE

Solidago lepida var. salebrosa
2007 Dr. Amadej Trnkoczy
Solidago lepida var. salebrosa
2011 Wynn Anderson

Solidago spathulata    Dune goldenrod
native
Perennial herb

ASTERACEAE

Solidago spathulata
2016 Steve Matson
Solidago spathulata
2021 Mary Ann Machi
Solidago spathulata
2016 Steve Matson

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

Trifolium beckwithii    Beckwith's clover
native
Perennial herb

FABACEAE

Trifolium beckwithii
1995 Gary A. Monroe
Trifolium beckwithii
2008 Steve Matson
Trifolium beckwithii
2008 Steve Matson

Trifolium breweri    Brewer's clover,  Forest clover
native
Perennial herb

FABACEAE

Trifolium breweri
2009 Neal Kramer
Trifolium breweri
2013 Debra L. Cook
Trifolium breweri
2009 Neal Kramer

Trifolium cernuum    Nodding clover
non-native
Annual herb

FABACEAE

Trifolium cernuum
2002 Doreen L. Smith
Trifolium cernuum
2010 Zoya Akulova
Trifolium cernuum
2010 Zoya Akulova

Trifolium cyathiferum    Bowl clover,  Cup clover
native
Annual herb

FABACEAE

Trifolium cyathiferum
1999 James B. Gratiot
Trifolium cyathiferum
2015 Neal Kramer
Trifolium cyathiferum
2021 Bob Sweatt

Trifolium dedeckerae    Dedecker's clover
rare native
Perennial herb

FABACEAE

Trifolium dedeckerae
2009 Gary A. Monroe
Trifolium dedeckerae
2009 Gary A. Monroe

Trifolium eriocephalum    Woollyhead clover
native
Perennial herb

FABACEAE

Trifolium eriocephalum
2010 Christopher L. Christie
Trifolium eriocephalum
2019 Susan McDougall
Trifolium eriocephalum
2008 Keir Morse

native
Perennial herb

FABACEAE


native
Perennial herb

FABACEAE

Trifolium eriocephalum ssp. eriocephalum
2008 Keir Morse
Trifolium eriocephalum ssp. eriocephalum
2008 Keir Morse
Trifolium eriocephalum ssp. eriocephalum
2005 Norman Jensen

Trifolium fragiferum    Strawberry clover
non-native
Perennial herb

FABACEAE

Trifolium fragiferum
2020 Ron Vanderhoff
Trifolium fragiferum
2020 Ron Vanderhoff
Trifolium fragiferum
2014 Robert Sikora

Trifolium gymnocarpon    Hollyleaf clover
native
Perennial herb

FABACEAE

Trifolium gymnocarpon
© 2016 Keir Morse
Trifolium gymnocarpon
2012 Dean Wm. Taylor
Trifolium gymnocarpon
2012 Dean Wm. Taylor

Trifolium gymnocarpon ssp. plummerae    Plummer's clover
rare native
Perennial herb

FABACEAE

Trifolium gymnocarpon ssp. plummerae
2021 Sarah Tona
Trifolium gymnocarpon ssp. plummerae
2012 Dean Wm. Taylor
Trifolium gymnocarpon ssp. plummerae
2012 Dean Wm. Taylor

Trifolium hybridum    Alsike clover
non-native
Perennial herb

FABACEAE

Trifolium hybridum
2008 Keir Morse
Trifolium hybridum
2015 Barry Breckling
Trifolium hybridum
2012 Zoya Akulova

Trifolium kingii    King's clover
native
Perennial herb

FABACEAE

Trifolium kingii
2011 Aaron Arthur
Trifolium kingii
2011 Aaron Arthur
Trifolium kingii
2011 Aaron Arthur

Trifolium kingii ssp. dedeckerae    Dedecker's clover
native
Perennial herb

FABACEAE

Trifolium kingii ssp. dedeckerae
2009 Steve Matson
Trifolium kingii ssp. dedeckerae
2016 Michael L. Uhler
Trifolium kingii ssp. dedeckerae
2009 Gary A. Monroe

Trifolium lemmonii    Lemmon's clover
rare native
Perennial herb

FABACEAE

Trifolium lemmonii
2010 Steve Matson
Trifolium lemmonii
2010 Steve Matson
Trifolium lemmonii
2010 Steve Matson

Trifolium pratense    Red clover
non-native
Perennial herb

FABACEAE

Trifolium pratense
2019 Bob Sweatt
Trifolium pratense
2021 Bob Sweatt
Trifolium pratense
2007 Louis-M. Landry

Trifolium retusum    Teasel clover
non-native
Annual herb

FABACEAE

Trifolium retusum
2010 Carr & Halse
Trifolium retusum
2010 Carr & Halse
Trifolium retusum
2010 Carr & Halse

Trifolium striatum    Knotted clover
non-native
Annual herb

FABACEAE

Trifolium striatum
2008 Keir Morse
Trifolium striatum
2010 Zoya Akulova
Trifolium striatum
2010 Aaron Arthur

Trifolium vesiculosum    Arrowleaf clover
non-native
Annual herb

FABACEAE

Trifolium vesiculosum
2008 Zoya Akulova
Trifolium vesiculosum
2008 Zoya Akulova
Trifolium vesiculosum
2008 Zoya Akulova

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

FABACEAE

Trifolium wormskioldii
2018 Hayley Ross
Trifolium wormskioldii
2021 Alison Gardner
Trifolium wormskioldii
2022 Justin Luong

Verbena lasiostachys var. lasiostachys    Vervain,  Western vervain
native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. lasiostachys
2018 Gary McDonald
Verbena lasiostachys var. lasiostachys
2018 Mary Conway
Verbena lasiostachys var. lasiostachys
2018 Mary Conway

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

Anaphalis margaritacea    Pearly everlasting
native
Perennial herb

ASTERACEAE

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

Apocynum cannabinum    Indian hemp,  Indianhemp dogbane
native
Perennial herb

APOCYNACEAE

Apocynum cannabinum
2019 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff
Apocynum cannabinum
2015 Ron Vanderhoff

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

APOCYNACEAE

Asclepias eriocarpa
2018 Jennifer Poore
Asclepias eriocarpa
2019 Cliff Halverson
Asclepias eriocarpa
2019 Ron Vanderhoff

Asclepias fascicularis    whorled milkweed,  Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

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

Asclepias speciosa    Showy milkweed
native
Perennial herb

APOCYNACEAE

Asclepias speciosa
2018 Jay Chamberlain
Asclepias speciosa
2019 Susan McDougall
Asclepias speciosa
2021 Mike Russler

Ceanothus parvifolius    Little leaf ceanothus,  Littleleaf ceanothus
native
Shrub

RHAMNACEAE

Ceanothus parvifolius
2022 Mike Russler
Ceanothus parvifolius
2022 Mike Russler
Ceanothus parvifolius
2022 Mike Russler

Ceanothus thyrsiflorus var. obispoensis    San Luis Obispo ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus thyrsiflorus var. obispoensis
2020 David Greenberger
Ceanothus thyrsiflorus var. obispoensis
2020 David Greenberger
Ceanothus thyrsiflorus var. obispoensis
2020 David Greenberger

Clematis ligusticifolia    Creek clematis,  Western virgin's bower,  Western white clematis
native
Perennial herb, Vine

RANUNCULACEAE

Clematis ligusticifolia
2018 Diane Etchison
Clematis ligusticifolia
2012 Steve Matson
Clematis ligusticifolia
2012 Steve Matson

Eriogonum umbellatum var. ahartii    Ahart's buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. ahartii
2013 Dean Wm. Taylor, Ph.D.
Eriogonum umbellatum var. ahartii
2011 Dean Wm. Taylor, Ph.D.
Eriogonum umbellatum var. ahartii
2011 Dean Wm. Taylor, Ph.D.

rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. glaberrimum
2007 F. Gauna
Eriogonum umbellatum var. glaberrimum
2007 F. Gauna

Eriogonum umbellatum var. minus    Alpine sulfur flowered buckwheat,  Alpine sulphur flower buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. minus
2015 Keir Morse
Eriogonum umbellatum var. minus
2010 Gary A. Monroe
Eriogonum umbellatum var. minus
2015 Keir Morse

Helianthus annuus    Common sunflower,  Hairy leaved sunflower,  Sunflower
native
Annual herb

ASTERACEAE

Helianthus annuus
2019 Bob Case
Helianthus annuus
2019 Laura Moon
Helianthus annuus
2021 Mike Russler

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

ASTERACEAE

Helianthus bolanderi
2013 BOB CASE
Helianthus bolanderi
2022 Paul Watts
Helianthus bolanderi
2022 Paul Watts

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Lobelia cardinalis    Cardinalflower
native
Perennial herb

CAMPANULACEAE

Lobelia cardinalis
2012 John Rusk
Lobelia cardinalis
2006 Louis-M. Landry
Lobelia cardinalis
2006 Louis-M. Landry

Lobelia cardinalis var. pseudosplendens    Cardinal flower,  Scarlet lobelia
native
Perennial herb

CAMPANULACEAE

Lobelia cardinalis var. pseudosplendens
2020 Fred Melgert / Carla Hoegen
Lobelia cardinalis var. pseudosplendens
2020 Fred Melgert / Carla Hoegen
Lobelia cardinalis var. pseudosplendens
2020 Fred Melgert / Carla Hoegen

Monardella odoratissima    Desert mint,  Mountain monardella
native
Perennial herb

LAMIACEAE

Monardella odoratissima
2020 Mary Ann Machi
Monardella odoratissima
2004 Steve Matson
Monardella odoratissima
2020 Mary Ann Machi

Monardella odoratissima ssp. glauca    Mountain mint,  Mountain pennyroyal
native
Perennial herb

LAMIACEAE

Monardella odoratissima ssp. glauca
2010 Steve Matson
Monardella odoratissima ssp. glauca
2006 Steve Matson
Monardella odoratissima ssp. glauca
2006 Steve Matson

native
Perennial herb

LAMIACEAE

Monardella odoratissima ssp. odoratissima
2009 Keir Morse
Monardella odoratissima ssp. odoratissima
2009 Keir Morse
Monardella odoratissima ssp. odoratissima
2009 Keir Morse

Monardella odoratissima ssp. pallida    Pale mountain monardella,  Pallid mountain monardella
native
Perennial herb

LAMIACEAE

Monardella odoratissima ssp. pallida
2019 Steve Matson
Monardella odoratissima ssp. pallida
2021 Alaine Arslan
Monardella odoratissima ssp. pallida
2019 Steve Matson

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
2008 Neal Kramer

Monardella villosa ssp. obispoensis    San luis obispo coyote mint
native
Perennial herb

LAMIACEAE

Monardella villosa ssp. obispoensis
2011 Chris Winchell
Monardella villosa ssp. obispoensis
2011 Chris Winchell
Monardella villosa ssp. obispoensis
2011 Chris Winchell

native
Perennial herb

LAMIACEAE

Monardella villosa ssp. villosa
2021 Ken Lunders
Monardella villosa ssp. villosa
2008 Jorg Fleige
Monardella villosa ssp. villosa
2012 Terrence Gosliner

Salix brachycarpa    Shortfruit willow
native
Shrub

SALICACEAE

Salix brachycarpa
2016 Trent M. Draper (var. brachycarpa)
Salix brachycarpa
2016 Trent M. Draper (var. brachycarpa)
Salix brachycarpa
1979 Dean Wm. Taylor (ssp. brachycarpa)

Salix brachycarpa var. brachycarpa    Shortfruit willow
rare native
Shrub

SALICACEAE

Salix brachycarpa var. brachycarpa
2004 John Bair
Salix brachycarpa var. brachycarpa
2005 John Bair
Salix brachycarpa var. brachycarpa
2004 John Bair

Salix jepsonii    Jepson's willow
native
Shrub

SALICACEAE

Salix jepsonii
2015 John Rusk
Salix jepsonii
© 2014 Zoya Akulova
Salix jepsonii
2014 Zoya Akulova

Salix sessilifolia    Northern sandbar willow,  Northwest sandbar willow,  Northwest willow
native
Shrub

SALICACEAE

Salix sessilifolia
2004 John Bair
Salix sessilifolia
2004 John Bair
Salix sessilifolia
2004 John Bair

Symphoricarpos albus    Common snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus
2021 Suzanne L. Weakley
Symphoricarpos albus
2020 Bob Sweatt
Symphoricarpos albus
2007 Neal Kramer

Trifolium andersonii    Anderson's clover,  Fiveleaf clover
native
Perennial herb

FABACEAE

Trifolium andersonii
2008 Steve Matson
Trifolium andersonii
2008 Steve Matson

Trifolium andersonii ssp. andersonii    Anderson's clover
rare native
Perennial herb

FABACEAE

Trifolium andersonii ssp. andersonii
2000 John Game
Trifolium andersonii ssp. andersonii
2012 Gary A. Monroe
Trifolium andersonii ssp. andersonii
2008 Steve Matson

Trifolium andersonii ssp. beatleyae    Beatley's five-leaved clover
native
Perennial herb

FABACEAE

Trifolium andersonii ssp. beatleyae
2008 Ron Wolf
Trifolium andersonii ssp. beatleyae
2009 Steve Matson

Trifolium bolanderi    Bolander's clover,  Parasol clover
rare native
Perennial herb

FABACEAE

Trifolium bolanderi
2009 Aaron Schusteff
Trifolium bolanderi
2005 Keir Morse

Trifolium howellii    Canyon clover,  Howell's clover
rare native
Perennial herb

FABACEAE

Trifolium howellii
2021 Julie A. Kierstead
Trifolium howellii
2021 Julie A. Kierstead
Trifolium howellii
2021 Julie A. Kierstead

Trifolium monanthum    Carpet clover,  Mountain carpet clover
native
Perennial herb

FABACEAE

Trifolium monanthum
2015 John Doyen
Trifolium monanthum
2015 Keir Morse
Trifolium monanthum
2020 Bob Sweatt

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

FABACEAE

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

native
Perennial herb

FABACEAE

Trifolium monanthum ssp. monanthum
2016 Steve Matson
Trifolium monanthum ssp. monanthum
2016 Steve Matson
Trifolium monanthum ssp. monanthum
2016 Steve Matson

Trifolium monanthum ssp. parvum    Small carpet clover
native
Perennial herb

FABACEAE

Trifolium monanthum ssp. parvum
2009 Keir Morse
Trifolium monanthum ssp. parvum
2009 Keir Morse
Trifolium monanthum ssp. parvum
2015 Barry Breckling

Trifolium monanthum ssp. tenerum    Delicate carpet clover
native
Perennial herb

FABACEAE

Trifolium monanthum ssp. tenerum
2009 Ron Wolf
Trifolium monanthum ssp. tenerum
2003 Steve Matson
Trifolium monanthum ssp. tenerum
2003 Steve Matson

Trifolium productum    Productive clover
native
Perennial herb

FABACEAE

Trifolium productum
2003 Norman Jensen
Trifolium productum
2020 Bob Sweatt
Trifolium productum
2007 Aaron Schusteff

Trifolium repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
2017 Gary McDonald
Trifolium repens
2007 Dr. Amadej Trnkoczy
Trifolium repens
2017 Gary McDonald

Trifolium siskiyouense    Siskiyou clover
rare native
Perennial herb

FABACEAE


Asclepias tuberosa    Butterfly milkweed
non-native
Shrub

APOCYNACEAE

Asclepias tuberosa
2009 Barry Breckling
Asclepias tuberosa
2003 Jeff Abbas
Asclepias tuberosa
2003 Lisa Powers

Asclepias tuberosa ssp. interior    Butterfly milkweed
non-native
Shrub

APOCYNACEAE

Asclepias tuberosa ssp. interior
2005 Robert Sivinski
Asclepias tuberosa ssp. interior
2016 Keir Morse
Asclepias tuberosa ssp. interior
2016 Keir Morse

Dasiphora fruticosa    Shrubby cinquefoil
native
Shrub

ROSACEAE

Dasiphora fruticosa
2020 Bob Sweatt
Dasiphora fruticosa
2010 Lee Dittmann
Dasiphora fruticosa
2004 Robert Sivinski

Ericameria nauseosa    Rubber rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa
2018 Richard Spjut
Ericameria nauseosa
2010 Gerald Carr
Ericameria nauseosa
2010 Gerald Carr

Ericameria nauseosa var. bernardina    San bernardino rubber rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. bernardina
2021 Joanna Clines
Ericameria nauseosa var. bernardina
2022 Arlee Montalvo
Ericameria nauseosa var. bernardina
2022 Arlee Montalvo

Ericameria nauseosa var. ceruminosa    Sharp bracted rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. ceruminosa
2014 Neal Kramer
Ericameria nauseosa var. ceruminosa
2014 Neal Kramer
Ericameria nauseosa var. ceruminosa
2014 Neal Kramer

Ericameria nauseosa var. hololeuca    Common rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. hololeuca
2009 James M. Andre
Ericameria nauseosa var. hololeuca
2012 Steve Matson
Ericameria nauseosa var. hololeuca
2022 Steve Matson

Ericameria nauseosa var. leiosperma    Common rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. leiosperma
2013 Steve Matson
Ericameria nauseosa var. leiosperma
2013 Steve Matson
Ericameria nauseosa var. leiosperma
2013 Steve Matson

Ericameria nauseosa var. mohavensis    Mojave rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. mohavensis
2018 Richard Spjut
Ericameria nauseosa var. mohavensis
2022 Helen Hancock
Ericameria nauseosa var. mohavensis
2022 R.A. Chasey

Ericameria nauseosa var. oreophila    Rubber rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. oreophila
2012 James Gonsman
Ericameria nauseosa var. oreophila
2016 Steve Matson
Ericameria nauseosa var. oreophila
2016 Steve Matson

Ericameria nauseosa var. speciosa    Rubber rabbitbrush
native
Shrub

ASTERACEAE

Ericameria nauseosa var. speciosa
2020 R.A. Chasey
Ericameria nauseosa var. speciosa
2021 Mike Russler
Ericameria nauseosa var. speciosa
2010 Gerald Carr

Ericameria nauseosa var. washoensis    Rubber rabbitbrush
native
Shrub

ASTERACEAE


Eriogonum umbellatum var. bahiiforme    Sulphur buckwheat,  Sulphur flower buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. bahiiforme
2014 Vernon Smith
Eriogonum umbellatum var. bahiiforme
2013 Jake Ruygt
Eriogonum umbellatum var. bahiiforme
2011 Chris Winchell

Eriogonum umbellatum var. juniporinum    Juniper buckwheat
rare native
Perennial herb

POLYGONACEAE


Eriogonum umbellatum var. lautum    Scott valley buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. lautum
2007 Dean Wm. Taylor, Ph.D.
Eriogonum umbellatum var. lautum
2007 Dean Wm. Taylor, Ph.D.
Eriogonum umbellatum var. lautum
2007 Dean Wm. Taylor, Ph.D.

Eriogonum umbellatum var. torreyanum    Donner pass buckwheat
rare native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. torreyanum
2017 Steve Matson
Eriogonum umbellatum var. torreyanum
2012 Steve Matson
Eriogonum umbellatum var. torreyanum
2012 Steve Matson

Lobelia dunnii    Dunn's lobelia
native
Perennial herb

CAMPANULACEAE

Lobelia dunnii
2011 Neal Kramer
Lobelia dunnii
2019 Ron Vanderhoff
Lobelia dunnii
2019 Ron Vanderhoff

Lobelia dunnii var. serrata    Dunn's lobelia
native
Perennial herb

CAMPANULACEAE

Lobelia dunnii var. serrata
2019 Ron Vanderhoff
Lobelia dunnii var. serrata
2013 Ron Vanderhoff
Lobelia dunnii var. serrata
2018 Ron Vanderhoff

Penstemon speciosus    Royal beardtongue,  Royal penstemon,  Showy penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon speciosus
2012 Steve Matson
Penstemon speciosus
2019 Susan McDougall
Penstemon speciosus
2022 Julie A. Kierstead

Salix nivalis    Snow willow
rare native
Shrub

SALICACEAE

Salix nivalis
2020 David Greenberger
Salix nivalis
2009 Steve Matson
Salix nivalis
2009 Steve Matson

Salix petrophila    Alpine willow
native
Tree, Shrub

SALICACEAE

Salix petrophila
2020 Bob Sweatt
Salix petrophila
2020 Bob Sweatt
Salix petrophila
2020 Bob Sweatt

Solidago elongata    West coast canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago elongata
2021 Mike Russler
Solidago elongata
2021 Mike Russler
Solidago elongata
2007 Michelle Cloud-Hughes

Solidago spectabilis    Nevada goldenrod,  Showy goldenrod
native
Perennial herb

ASTERACEAE

Solidago spectabilis
2009 Mary Winter
Solidago spectabilis
2002 Larry Blakely
Solidago spectabilis
2002 Larry Blakely

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
2021 Doug Allshouse
Solidago velutina ssp. californica
2020 Ron Vanderhoff
Solidago velutina ssp. californica
2021 Dick Rawson

Symphyotrichum chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Symphyotrichum chilense
2021 Mike Russler
Symphyotrichum chilense
2022 Julia Larke
Symphyotrichum chilense
2021 Mary Conway

Trifolium arvense    Rabbitfoot clover
non-native
Annual herb

FABACEAE

Trifolium arvense
2018 Gary McDonald
Trifolium arvense
2016 Keir Morse
Trifolium arvense
2019 Julia King

Trifolium aureum    Golden clover,  Hop clover
non-native
Annual herb

FABACEAE

Trifolium aureum
2005 Louis-M. Landry
Trifolium aureum
2007 Louis-M. Landry

Bidens cernua    Nodding beggartick
native
Perennial herb

ASTERACEAE

Bidens cernua
2020 Bob Sweatt
Bidens cernua
2016 Steve Ashcraft
Bidens cernua
2020 Bob Sweatt

Bidens laevis    Bur marigold
native
Perennial herb

ASTERACEAE

Bidens laevis
2020 Aaron Echols
Bidens laevis
2016 Barbara Boethling
Bidens laevis
2018 Ron Vanderhoff

Cephalanthus occidentalis    Common buttonbush
native
Shrub

RUBIACEAE

Cephalanthus occidentalis
2021 Mike Russler
Cephalanthus occidentalis
2007 Stacie Sherman
Cephalanthus occidentalis
2018 Richard Spjut

Chrysothamnus viscidiflorus    Green rabbitbrush,  Stickyleaf rabbitbrush,  Yellow rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus viscidiflorus
2005 Christopher L. Christie
Chrysothamnus viscidiflorus
2005 Steve Matson
Chrysothamnus viscidiflorus
2009 James M. Andre

Chrysothamnus viscidiflorus ssp. axillaris    Sticky leaved rabbitbrush,  Yellow rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus viscidiflorus ssp. axillaris
2015 Jim Morefield
Chrysothamnus viscidiflorus ssp. axillaris
2015 Jim Morefield
Chrysothamnus viscidiflorus ssp. axillaris
2015 Jim Morefield

Chrysothamnus viscidiflorus ssp. lanceolatus    Sticky leaved rabbitbrush,  Yellow rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus viscidiflorus ssp. lanceolatus
2014 Richard Spellenberg
Chrysothamnus viscidiflorus ssp. lanceolatus
2014 Richard Spellenberg
Chrysothamnus viscidiflorus ssp. lanceolatus
© 2014 Richard Spellenberg

Chrysothamnus viscidiflorus ssp. puberulus    Sticky leaved rabbitbrush,  Yellow rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus viscidiflorus ssp. puberulus
2022 Steve Matson
Chrysothamnus viscidiflorus ssp. puberulus
2013 Steve Matson
Chrysothamnus viscidiflorus ssp. puberulus
2013 Steve Matson

Chrysothamnus viscidiflorus ssp. viscidiflorus    Sticky leaved rabbitbrush,  Yellow rabbitbrush
native
Shrub

ASTERACEAE

Chrysothamnus viscidiflorus ssp. viscidiflorus
2004 Steve Matson
Chrysothamnus viscidiflorus ssp. viscidiflorus
2020 BLM Redding Field Office
Chrysothamnus viscidiflorus ssp. viscidiflorus
2020 BLM Redding Field Office

Eriogonum umbellatum    Sulphur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum
2003 Christopher L. Christie
Eriogonum umbellatum
2015 Jim Bearden
Eriogonum umbellatum
2005 Steven Perkins

Eriogonum umbellatum var. argus    Sulphur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. argus
2022 Dana York
Eriogonum umbellatum var. argus
2022 Dana York
Eriogonum umbellatum var. argus
2022 Dana York

Eriogonum umbellatum var. canifolium    Sulphur buckwheat
native
Perennial herb

POLYGONACEAE


Eriogonum umbellatum var. chlorothamnus    Sulphur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. chlorothamnus
2012 Gary A. Monroe
Eriogonum umbellatum var. chlorothamnus
1981 Dean Wm. Taylor

Eriogonum umbellatum var. covillei    Coville's sulphur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE


Eriogonum umbellatum var. dichrocephalum    Sulphur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. dichrocephalum
2010 Steve Matson
Eriogonum umbellatum var. dichrocephalum
2010 Steve Matson
Eriogonum umbellatum var. dichrocephalum
2010 Steve Matson

Eriogonum umbellatum var. dumosum    Many flowered sulfur flower
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. dumosum
2019 Susan McDougall
Eriogonum umbellatum var. dumosum
2020 R.A. Chasey
Eriogonum umbellatum var. dumosum
2015 John Rusk

Eriogonum umbellatum var. furcosum    Desert sulfur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. furcosum
2018 Bill Haley
Eriogonum umbellatum var. furcosum
2005 Steve Matson
Eriogonum umbellatum var. furcosum
2011 Wynn Anderson

Eriogonum umbellatum var. goodmanii    Goodman's buckwheat,  Serpentine sulphur buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. goodmanii
2015 Dana York
Eriogonum umbellatum var. goodmanii
© 2015 Dana York
Eriogonum umbellatum var. goodmanii
2015 Dana York

Eriogonum umbellatum var. modocense    Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. modocense
2010 Gary A. Monroe
Eriogonum umbellatum var. modocense
2015 Susan McDougall
Eriogonum umbellatum var. modocense
2015 Susan McDougall

Eriogonum umbellatum var. munzii    Munz's buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. munzii
2008 Thomas Stoughton
Eriogonum umbellatum var. munzii
2013 Gary A. Monroe
Eriogonum umbellatum var. munzii
2008 Thomas Stoughton

Eriogonum umbellatum var. nelsoniorum    Sulphur buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. nelsoniorum
2015 Dana York
Eriogonum umbellatum var. nelsoniorum
2015 Dana York
Eriogonum umbellatum var. nelsoniorum
2015 Dana York

Eriogonum umbellatum var. nevadense    Nevada buckwheat,  Sierra sulfur flower,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. nevadense
2021 Mike Russler
Eriogonum umbellatum var. nevadense
2021 Mike Russler
Eriogonum umbellatum var. nevadense
2006 Steve Matson

Eriogonum umbellatum var. polyanthum    Many flowered buckwheat,  Sulfur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. polyanthum
2018 Mary Conway
Eriogonum umbellatum var. polyanthum
2005 George W. Hartwell
Eriogonum umbellatum var. polyanthum
2013 James Gonsman

Eriogonum umbellatum var. smallianum    Sulphur buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. smallianum
2017 Steve Matson
Eriogonum umbellatum var. smallianum
2017 Steve Matson
Eriogonum umbellatum var. smallianum
2017 Steve Matson

Eriogonum umbellatum var. speciosum    Showy sulfur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. speciosum
2009 Zoya Akulova
Eriogonum umbellatum var. speciosum
2015 Steve Matson
Eriogonum umbellatum var. speciosum
2015 Steve Matson

Eriogonum umbellatum var. subaridum    Desert sulfur buckwheat,  Sulphur flower buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. subaridum
2010 James M. Andre
Eriogonum umbellatum var. subaridum
2015 Steve Matson
Eriogonum umbellatum var. subaridum
2015 Steve Matson

Eriogonum umbellatum var. versicolor    Sulphur flower buckwheat,  Sulphur flowered buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum umbellatum var. versicolor
2011 Steve Matson
Eriogonum umbellatum var. versicolor
2003 Christopher L. Christie
Eriogonum umbellatum var. versicolor
2019 Matt Berger

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

Solidago canadensis    Canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago canadensis
2007 Michelle Cloud-Hughes
Solidago canadensis
2010 Keir Morse
Solidago canadensis
Nick Kurzenko

Solidago multiradiata    Northern goldenrod,  Rocky mountain goldenrod
native
Perennial herb

ASTERACEAE

Solidago multiradiata
2020 Bob Sweatt
Solidago multiradiata
2014 James Gonsman
Solidago multiradiata
2018 Cynthia Powell

Solidago velutina    Threenerve goldenrod
native
Perennial herb

ASTERACEAE

Solidago velutina
2020 Cynthia Keiser
Solidago velutina
2020 Cynthia Keiser
Solidago velutina
2018 Ron Vanderhoff

Solidago velutina ssp. sparsiflora    Great basin goldenrod
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. sparsiflora
2011 Robert Sivinski
Solidago velutina ssp. sparsiflora
2010 Lee Dittmann
Solidago velutina ssp. sparsiflora
2010 Lee Dittmann

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2022 Terry Beers
Baccharis pilularis
2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
2018 Cynthia Powell

Solidago guiradonis    Guirado goldenrod,  Guirado's goldenrod
rare native
Perennial herb (rhizomatous)

ASTERACEAE

Solidago guiradonis
2010 Aaron Schusteff
Solidago guiradonis
2011 Chris Winchell
Solidago guiradonis
2010 Aaron Schusteff

native
Shrub

ASTERACEAE

Baccharis pilularis ssp. consanguinea
2009 Toni Corelli
Baccharis pilularis ssp. consanguinea
2022 John Doyen
Baccharis pilularis ssp. consanguinea
2019 Cynthia Powell

native
Shrub

ASTERACEAE

Baccharis pilularis ssp. pilularis
2010 Michael Mitchell
Baccharis pilularis ssp. pilularis
2022 Ryan O'Dell
Baccharis pilularis ssp. pilularis
2019 Cynthia Powell

native
Shrub

CLEOMACEAE

Peritoma arborea var. globosa
2013 Neal Kramer
Peritoma arborea var. globosa
2014 Neal Kramer
Peritoma arborea var. globosa
2016 Steve Matson

Solidago altissima    Canada goldenrod
native
Perennial herb

ASTERACEAE

Solidago altissima
2010 Jeff Abbas
Solidago altissima
2015 Wynn Anderson
Solidago altissima
2015 Wynn Anderson

Solidago altissima ssp. altissima    Late goldenrod
non-native
Perennial herb

ASTERACEAE

Solidago altissima ssp. altissima
© 2016 Keir Morse
Solidago altissima ssp. altissima
2016 Keir Morse
Solidago altissima ssp. altissima
2016 Keir Morse

Arctostaphylos andersonii    Heartleaf manzanita,  Santa cruz manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos andersonii
2019 David Greenberger
Arctostaphylos andersonii
2018 Ken Hickman
Arctostaphylos andersonii
2020 Susan McDougall

Arctostaphylos edmundsii    Little sur manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos edmundsii
2006 Steve Matson
Arctostaphylos edmundsii
2015 Jean Pawek
Arctostaphylos edmundsii
2017 Adam Chasey

Arctostaphylos montereyensis    Monterey manzanita,  Toro manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos montereyensis
2022 R.A. Chasey
Arctostaphylos montereyensis
2022 Cynthia Powell
Arctostaphylos montereyensis
2020 Mike Russler

Arctostaphylos myrtifolia    Ione manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos myrtifolia
2020 Matt Berger
Arctostaphylos myrtifolia
2019 Matt Berger
Arctostaphylos myrtifolia
2019 Matt Berger

Arctostaphylos pechoensis    Pecho manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pechoensis
2020 Susan McDougall
Arctostaphylos pechoensis
2020 Mike Russler
Arctostaphylos pechoensis
2020 Mike Russler

Arctostaphylos purissima    La purisima manzanita,  La purissima manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos purissima
2019 Susan McDougall
Arctostaphylos purissima
2016 George Williams
Arctostaphylos purissima
2019 Bryant Baker

Arctostaphylos rudis    Sand mesa manzanita,  Shagbark manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos rudis
2020 David Greenberger
Arctostaphylos rudis
2020 David Greenberger
Arctostaphylos rudis
2019 Susan McDougall

Peritoma arborea    Bladderpod
native
Shrub

CLEOMACEAE

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

native
Shrub

CLEOMACEAE

Peritoma arborea var. angustata
2019 Susan McDougall
Peritoma arborea var. angustata
2019 Susan McDougall
Peritoma arborea var. angustata
2019 Susan McDougall

rare native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. insulicola
2011 Jeff Bisbee
Arctostaphylos crustacea ssp. insulicola
2011 Jeff Bisbee
Arctostaphylos crustacea ssp. insulicola
2011 Jeff Bisbee

Arctostaphylos cruzensis    Arroyo de la cruz manzanita,  La cruz manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos cruzensis
2005 Dieter Wilken
Arctostaphylos cruzensis
2019 Susan McDougall
Arctostaphylos cruzensis
2006 Steve Matson

Arctostaphylos glandulosa ssp. crassifolia    Costa baja manzanita,  Del mar manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos glandulosa ssp. crassifolia
2019 Diane Etchison
Arctostaphylos glandulosa ssp. crassifolia
2015 Chris Hendrickson
Arctostaphylos glandulosa ssp. crassifolia
2019 Susan McDougall

Arctostaphylos insularis    Island manzanita
native
Shrub

ERICACEAE

Arctostaphylos insularis
2019 Susan McDougall
Arctostaphylos insularis
2003 Keir Morse
Arctostaphylos insularis
2020 David Greenberger

Arctostaphylos luciana    Santa lucia manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos luciana
2006 Steve Matson
Arctostaphylos luciana
2004 David Graber
Arctostaphylos luciana
2011 David Graber

Arctostaphylos manzanita ssp. glaucescens    White leaf common manzanita,  Whiteleaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos manzanita ssp. glaucescens
2020 R.A. Chasey
Arctostaphylos manzanita ssp. glaucescens
2020 R.A. Chasey
Arctostaphylos manzanita ssp. glaucescens
2020 R.A. Chasey

Arctostaphylos morroensis    Morro manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos morroensis
2020 David Greenberger
Arctostaphylos morroensis
2014 Neal Kramer
Arctostaphylos morroensis
2020 David Greenberger

Arctostaphylos pajaroensis    Pajaro manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pajaroensis
2020 Mike Russler
Arctostaphylos pajaroensis
2021 Mike Russler
Arctostaphylos pajaroensis
2020 Mike Russler

Arctostaphylos pallida    Alameda manzanita,  Oakland hills manzanita,  Pallid manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pallida
2016 Neal Kramer
Arctostaphylos pallida
2020 Scott Cox
Arctostaphylos pallida
2020 Ian Donahue

Arctostaphylos pilosula    La panza manzanita,  Santa Margarita manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos pilosula
2020 David Greenberger
Arctostaphylos pilosula
2019 Susan McDougall
Arctostaphylos pilosula
2006 Steve Matson

Arctostaphylos rainbowensis    Rainbow manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos rainbowensis
2022 Nathan Taylor
Arctostaphylos rainbowensis
2022 Julie Ann Watson
Arctostaphylos rainbowensis
2014 Ron Vanderhoff

Arctostaphylos refugioensis    Refugio manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos refugioensis
2021 Bryant Baker
Arctostaphylos refugioensis
2020 David Greenberger
Arctostaphylos refugioensis
2021 Bryant Baker

Arctostaphylos viridissima    Mcminn's manzanita,  White haired manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos viridissima
2020 David Greenberger
Arctostaphylos viridissima
2019 Susan McDougall
Arctostaphylos viridissima
2009 Keir Morse

Asclepias fruticosa    African milkweed
non-native
Perennial herb

APOCYNACEAE

Asclepias fruticosa
2010 Dr. Mark S. Brunell
Asclepias fruticosa
2010 Dr. Mark S. Brunell
Asclepias fruticosa
2010 Dr. Mark S. Brunell

Ceanothus megacarpus var. insularis    Island bigpod ceanothus,  Island ceanothus
rare native
Shrub

RHAMNACEAE

Ceanothus megacarpus var. insularis
2014 Steve Matson
Ceanothus megacarpus var. insularis
2014 Steve Matson
Ceanothus megacarpus var. insularis
2014 Steve Matson