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| Plants with a serpentine affinity greater than 3.5 | ||||||
| 335 PLANTS |
|
Acanthomintha duttonii San mateo thorn mint
• rare native
Annual herb 
2011 Aaron Schusteff
2023 Morgan Stickrod
2013 Lech Naumovich
|
|
Allium diabolense Diablo onion, Serpentine onion
native
Perennial herb (bulb) 
2020 David Greenberger
2021 Mike Russler
2021 Mike Russler
|
|
Allium falcifolium Scytheleaf onion, Sickle leaf onion
native
Perennial herb (bulb) 
2011 Steve Matson
2022 Steve Matson
2011 Steve Matson
|
|
Allium fimbriatum var. purdyi Purdy's onion
• rare native
Perennial herb (bulb) 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Allium hoffmanii Beegum onion
• rare native
Perennial herb (bulb) 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Allium howellii var. sanbenitense San benito onion
• rare native
Perennial herb (bulb) 
2023 Ryan O'Dell
2024 Ryan O'Dell
2023 Ryan O'Dell
|
|
Allium jepsonii Jepson's onion
• rare native
Perennial herb (bulb) 
2019 David Greenberger
2021 David popp
2020 Belinda Lo
|
|
Allium lacunosum var. lacunosum Pitted onion
native
Perennial herb (bulb) 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Allium lacunosum var. micranthum Small flowered pitted onion, White fringed onion
native
Perennial herb (bulb) 
2008 Keir Morse
2008 Keir Morse
2018 Aaron Schusteff
|
|
Allium sanbornii var. congdonii Congdon's onion
• rare native
Perennial herb (bulb) 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Allium sharsmithiae Sharsmith's onion
• rare native
Perennial herb (bulb) 
2020 David Greenberger
2019 Matt Berger
2020 David Greenberger
|
|
Allium tuolumnense Rawhide hill onion
• rare native
Perennial herb (bulb) 
2024 Mike Russler
2024 Mike Russler
2024 Mike Russler
|
|
Antennaria sawyeri Sawyer's pussy-toes
• rare native
Perennial herb 
2014 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
|
|
Antennaria suffrutescens Evergreen everlasting, Evergreen pussytoes
• rare native
Perennial herb 
2013 Dana York
2013 Dana York
2013 Dana York
|
|
Antirrhinum subcordatum Dimorphic snapdragon
• rare native
Annual herb 
2019 Christian Schwarz
© 2015 Dean Wm. Taylor
2015 Dean Wm. Taylor
|
|
Aquilegia eximia Serpentine columbine, Sticky columbine, Van Houtte's columbine
native
Perennial herb 
2019 David Greenberger
2019 Ken Hickman
2021 Mike Russler
|
|
Arabis mcdonaldiana Mcdonald's rock cress
• rare native
Perennial herb 
2012 Gerald Carr
2012 Gerald Carr
2012 Gerald Carr
|
|
Arabis oregana Oregon rock cress, Oregon rockcress
• rare native
Perennial herb 
2012 Gerald Carr
2012 Gerald Carr
2012 Gerald Carr
|
|
Arctostaphylos bakeri ssp. bakeri Baker's manzanita
• rare native
Shrub 
2019 Susan McDougall
2019 Susan McDougall
2019 Susan McDougall
|
|
Arctostaphylos bakeri ssp. sublaevis The cedars manzanita
• rare native
Shrub 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Arctostaphylos franciscana Franciscan manzanita
• rare native
Shrub 
2016 Adam Chasey
2022 Cynthia Powell
2022 Cynthia Powell
|
|
Arctostaphylos hispidula Howell's manzanita
• rare native
Shrub 
2023 Dana York
2019 Adam Chasey
2023 Dana York
|
|
Arctostaphylos klamathensis Klamath manzanita
• rare native
Shrub 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Arctostaphylos montana ssp. montana Mt. Tamalpais manzanita
• rare native
Shrub 
2018 David Greenberger
2019 Adam Chasey
2019 Adam Chasey
|
|
Arctostaphylos montana ssp. ravenii Presidio manzanita
• rare native
Shrub 
2019 Susan McDougall
2006 Heath McAllister
2019 Susan McDougall
|
|
Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita
• rare native
Shrub 
2019 Susan McDougall
2021 Mike Russler
2021 Mike Russler
|
|
Arctostaphylos viscida ssp. pulchella Sticky whiteleaf manzanita, White leaf manzanita
native
Tree, Shrub 
2022 Ryan O'Dell
2017 Robert Barnard
2019 Adam Chasey
|
|
Arnica cernua Serpentine arnica
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2019 Joey Santore
2019 Joey Santore
|
|
Arnica spathulata Klamath arnica
• rare native
Perennial herb (rhizomatous) 
2007 Gerald Carr
2023 Dana York
2023 Dana York
|
|
Asclepias solanoana Serpentine milkweed, Solanoa
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Aspidotis carlotta-halliae Carlotta hall's lace fern
• rare native
Fern (rhizomatous)  2010 Neal Kramer
|
|
Astragalus clevelandii Cleveland's milk vetch, Cleveland's milkvetch
• rare native
Perennial herb  2012 Steve Matson
|
|
Astragalus rattanii var. jepsonianus Jepson's milk vetch, Jepson's milkvetch
• rare native
Annual herb 
2017 Steve Matson
2022 Charles Russell
2017 Steve Matson
|
|
Astragalus whitneyi var. siskiyouensis Siskiyou milk vetch, Siskiyou milkvetch
native
Perennial herb 
2019 Charles Russell
2011 Steve Matson
2019 Julie Kierstead Nelson
|
|
Balsamorhiza sericea Silky balsamroot
• rare native
Perennial herb 
2019 Matt Berger
2019 Glenn Fine
2007 Keir Morse
|
|
Benitoa occidentalis Benitoa
• rare native
Annual herb 
2021 Mike Russler
2020 Mike Russler
2019 John Game
|
|
Boechera constancei Constance's rock cress
• rare native
Perennial herb  2017 John Doyen
 2008 Sierra Pacific Industries
 2012 Lynn Robertson
|
|
Boechera koehleri Koehler's rockcress
• rare native
Perennial herb 
2023 Dee Shea Himes
2023 Dee Shea Himes
2023 Dana York
|
|
Boechera rollei Rolle's rockcress
• rare native
Perennial herb 
2012 Dana York
2012 Dana York
2012 Dana York
|
|
Boechera serpenticola Serpentine rockcress
• rare native
Perennial herb  2019 Steve Matson
 2019 Steve Matson
 2019 Steve Matson
|
|
Brickellia greenei Greene brickellbush, Greene's brickelbush, Greene's brickellia
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2020 R.A. Chasey
|
|
Brodiaea rosea ssp. rosea Indian Valley brodiaea
• rare native
Perennial herb (bulb 
2019 Julie Kierstead Nelson
2015 Julie A. Kierstead
2021 Steve Laymon
|
|
Brodiaea stellaris Star flowered brodiaea, Starflower brodiaea
native
Perennial herb 
2015 James Gonsman
2018 Hayley Ross
2015 James Gonsman
|
|
Calamagrostis ophitidis Serpentine reed grass, Serpentine reedgrass
• rare native
Perennial grass 
2021 R.A. Chasey
2018 Hunter Breck
2022 R.A. Chasey
|
|
Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
• rare native
Perennial herb (bulb) 
2020 David Wolfson
2020 David Krause
2023 Mike Russler
|
|
Calochortus obispoensis San luis mariposa lily
• rare native
Perennial herb (bulb) 
2023 Morgan Stickrod
2020 Meghan Lindt
2018 Margarita Orlova
|
|
Calochortus raichei The cedars fairy lantern
• rare native
Perennial herb (bulb) 
2010 Tony Morosco
2005 Steve Lowens
2012 Aaron Arthur
|
|
Calochortus tiburonensis Tiburon mariposa lily
• rare native
Perennial herb (bulb) 
2018 Vernon Smith
2020 Rowena Forest
2016 Steve Matson
|
|
Calycadenia pauciflora Small flowered calycadenia, Smallflower western rosinweed
native
Annual herb 
2021 Steve Laymon
2021 Steve Laymon
2021 R.A. Chasey
|
|
Calyptridium quadripetalum Four petaled pussypaws
• rare native
Annual herb 
2019 Paul Aigner
2012 Jake Ruygt
2012 Jake Ruygt
|
|
Calystegia collina ssp. collina Coast range false bindweed, Hillside morning glory
native
Perennial herb 
2018 Eliezer Margolis
2019 Julian Geoghegan
2023 Leah Lord
|
|
Calystegia collina ssp. oxyphylla Mount saint helena morning glory, Mt. saint helena morning glory
• rare native
Perennial herb (rhizomatous) 
2020 Hunter Breck
2019 R.A. Chasey
2022 David Strauch
|
|
Calystegia collina ssp. tridactylosa Coast range false bindweed, Three fingered morning glory
• rare native
Perennial herb  2011 Vernon Smith
 BLM,Arcata Field Office
|
|
Calystegia collina ssp. venusta South coast range morning glory
• rare native
Perennial herb (rhizomatous) 
2022 Mike Russler
2019 Jennifer Wheeler
2022 Mike Russler
|
|
Calystegia vanzuukiae Van zuuk's morning-glory
• rare native
Perennial herb 
2022 Camille Nowell
2022 Camille Nowell
2014 Steven Perry
|
|
Camissonia benitensis San benito evening primrose
• rare native
Annual herb 
2022 Ryan O'Dell
2022 Ryan O'Dell
2019 David Greenberger
|
|
Campanula angustiflora Eastwood's bellflower, Eastwood's harebell
native
Annual herb 
2018 Hunter Breck
2017 Hunter Breck
2017 Hunter Breck
|
|
Campanula exigua Chaparral harebell
• rare native
Annual herb 
2019 David Greenberger
2022 R.A. Chasey
2019 David Greenberger
|
|
Campanula griffinii Griffin's bellflower, Griffin's harebell
native
Annual herb 
2022 Robert Steers
2022 Robert Steers
2022 Robert Steers
|
|
Campanula rotundifolia Alpine harebell, Bluebell, Round leaf harebell
native
Perennial herb 
2022 Dana York
2022 Dana York
2021 R.A. Chasey
|
|
Campanula sharsmithiae Sharsmith's harebell
• rare native
Annual herb 
2019 Adam Chasey
2019 Adam Chasey
2019 Adam Chasey
|
|
Cardamine pachystigma var. dissectifolia Dissected leaf toothwort
• rare native
Perennial herb (rhizomatous) 
2017 Cheryl Ballantyne
2017 Cheryl Ballantyne
2019 David popp
|
|
Carex concinnoides Northwestern sedge
native
Perennial grasslike herb 
2023 Dana York
2015 Hayley Ross
2015 Hayley Ross
|
|
Carex mendocinensis Mendocino sedge
native
Perennial grasslike herb 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Carex obispoensis San Luis Obispo sedge, San Luis sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2006 Steve Matson
2010 Chris Winchell
2006 Steve Matson
|
|
Carex scabriuscula Siskiyou sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Carex serpenticola Serpentine sedge
• rare native
Perennial grasslike herb 
2016 Dana York
2016 Dana York
2016 Dana York
|
|
Carex serratodens Bifid sedge, Two tooth sedge
native
Perennial grasslike herb 
2019 Steve Matson
2019 Steve Matson
2021 Cynthia Powell
|
|
Castilleja affinis ssp. neglecta Tiburon indian paintbrush
native
Perennial herb (hemiparasitic)  Dr. Robert Thomas and Margaret Orr1999 California Academy of Sciences
 2014 Christopher Gurney
 2008 Lech Naumovich
|
|
Castilleja brevilobata Short-lobed paintbrush
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Castilleja miniata ssp. elata Siskiyou indian paintbrush
native
Perennial herb (hemiparasitic) 
2018 Anna Sereno
2018 Anna Sereno
2018 Anna Sereno
|
|
Castilleja rubicundula ssp. rubicundula Cream sacs
native
Annual herb 
2019 Elizabeth Fedewa
2019 Elizabeth Fedewa
2019 Paul Aigner
|
|
Ceanothus ferrisiae Coyote ceanothus
• rare native
Shrub 
2020 R.A. Chasey
2020 R.A. Chasey
2019 Ken Hickman
|
|
Ceanothus foliosus var. medius La cuesta ceanothus, Wavyleaf buckbrush
native
Shrub 
2018 Michael Mitchell
2005 Dieter Wilken
|
|
Ceanothus jepsonii Jepson ceanothus, Musk brush
native
Shrub 
2015 James Gonsman
2018 Tina Curiel
2021 Julian Geoghegan
|
|
Ceanothus jepsonii var. albiflorus Jepson ceanothus, Musk brush
native
Shrub
2015 James Gonsman
2018 Tina Curiel
2021 Julian Geoghegan
|
|
Ceanothus jepsonii var. jepsonii Jepson ceanothus, Musk brush
native
Shrub
2015 James Gonsman
2018 Tina Curiel
2021 Julian Geoghegan
|
|
Ceanothus pumilus Dwarf ceanothus, Siskiyou mat
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Chaenactis suffrutescens Shasta chaenactis
• rare native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Chlorogalum pomeridianum var. minus Dwarf soaproot, Wavyleaf soap plant
• rare native
Perennial herb (bulb)  1997 Dean Wm. Taylor
 2011 Dean Wm. Taylor, Ph.D.
 2011 Dean Wm. Taylor, Ph.D.
|
|
Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
• rare native
Annual herb 
2020 David Greenberger
2020 David Greenberger
2023 Mike Russler
|
|
Chorizanthe palmeri Palmer's spineflower
• rare native
Annual herb 
2019 David Greenberger
2012 Terrence Gosliner
2023 Mike Russler
|
|
Chorizanthe ventricosa Priest valley spineflower
• rare native
Annual herb 
2014 Neal Kramer
2023 Ryan O'Dell
2014 Neal Kramer
|
|
Cirsium fontinale var. campylon Mt hamilton thistle, Mt. hamilton thistle
• rare native
Perennial herb 
2019 David Greenberger
2020 David Greenberger
2020 R.A. Chasey
|
|
Cirsium fontinale var. fontinale Fountain thistle
• rare native
Perennial herb 
2004 Toni Corelli
2021 Ambrose Cruz
2021 Ambrose Cruz
|
|
Cirsium fontinale var. obispoense Chorro creek bog thistle
• rare native
Perennial herb 
2017 Cindy Roessler
2015 David Wolfson
2020 David Greenberger
|
|
Cirsium hydrophilum var. vaseyi Mt. Tamalpais thistle, Vasey's thistle
• rare native
Perennial herb 
2018 Eliezer Margolis
2021 Rowena Forest
2019 Chasey
|
|
Clarkia breweri Brewer's clarkia, Fairy fans
• rare native
Annual herb 
2019 David Greenberger
2018 Elinor Gates
2019 Joey Santore
|
|
Clarkia franciscana Presidio clarkia
• rare native
Annual herb 
2020 Steve Laymon
2017 Lech N
2020 Mike Russler
|
|
Clarkia gracilis ssp. tracyi Tracy's clarkia
• rare native
Annual herb 
2019 Steve Laymon
2018 Steve Laymon
2019 Steve Laymon
|
|
Claytonia exigua ssp. glauca Blue leaved spring beauty, Serpentine springbeauty
native
Annual herb 
2022 Diana Wahl
2008 Keir Morse
2007 Keir Morse
|
|
Claytonia saxosa Brandegee's spring beauty, Brandegee's springbeauty
native
Annual herb 
2023 Steve Conger
2020 R.A. Chasey
2015 John Doyen
|
|
Collinsia greenei Greene's blue eyed mary, Greene's collinsia
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Collomia diversifolia Serpentine collomia
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2020 John Game
|
|
Convolvulus simulans Small flowered morning glory
• rare native
Annual herb 
2016 Ron Vanderhoff
2017 James Bailey
2023 David Gowen
|
|
Cordylanthus nidularius Mt. Diablo bird's beak
• rare native
Annual herb (hemiparasitic) 
2014 John Game
2023 Ryan O'Dell
2012 Terrence Gosliner
|
|
Cordylanthus pringlei Pringle's bird's beak
native
Annual herb  2012 Jake Ruygt
 2012 Jake Ruygt
 2012 Jake Ruygt
|
|
Cordylanthus tenuis ssp. brunneus Serpentine bird's beak
• rare native
Annual herb (hemiparasitic) 
2003 William Maslach
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Cordylanthus tenuis ssp. capillaris Pennell's bird's beak
• rare native
Annual herb (hemiparasitic)  2015 John Doyen
 2009 Aaron Arthur
 2009 Aaron Arthur
|
|
Cordylanthus tenuis ssp. viscidus Slender bird's beak, Sticky bird's beak, Viscid bird's beak
native
Annual herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Cryptantha dissita Serpentine cryptantha
• rare native
Annual herb 
2020 Terrence Gosliner
2019 Terry Gosliner
2019 Terry Gosliner
|
|
Cryptantha hispidula Napa cryptantha
native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2021 R.A. Chasey
|
|
Cryptantha mariposae Mariposa cryptantha
• rare native
Annual herb  2010 Robin Kent
 2011 Steve Matson
 2013 Jean Pawek
|
|
Cypripedium californicum California lady's slipper
• rare native
Perennial herb (rhizomatous) 
2023 Mary Ann Machi
2017 Steve Matson
2018 Margarita Orlova
|
|
Darlingtonia californica California pitcherplant
• rare native
Perennial herb (carnivorous) 
2023 Mary Ann Machi
2023 Mary Ann Machi
2005 Steve Matson
|
|
Delphinium parryi ssp. eastwoodiae Eastwood's larkspur
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Delphinium uliginosum Swamp larkspur
• rare native
Perennial herb 
2021 Charles Russell
2021 Charles Russell
2021 Charles Russell
|
|
Dicentra formosa ssp. oregana Oregon bleeding heart
• rare native
Perennial herb 
2020 Susan McDougall
2022 Ryan O'Dell
2022 Ryan O'Dell
|
|
Draba carnosula Mt. Eddy draba
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2019 John Game
|
|
Dudleya abramsii ssp. bettinae San Luis Obispo serpentine dudleya
• rare native
Perennial herb 
2012 Terrence Gosliner
2023 Kyle Suchy
2011 Chris Winchell
|
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Dudleya abramsii ssp. setchellii Santa clara valley dudleya
• rare native
Perennial herb 
2019 Paul Hankamp
2008 Verna Jigour
2008 Verna Jigour
|
|
Emmenanthe penduliflora var. rosea Pink whispering bells
native
Annual herb 
2022 Mike Russler
2021 Dee Shea Himes
2022 Mike Russler
|
|
Epilobium oreganum Grants pass willowherb, Oregon fireweed
• rare native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Epilobium rigidum Siskiyou mtns. willowherb, Stiff willowherb
• rare native
Perennial herb 
2022 Dee Shea Himes
2022 Dee Shea Himes
2005 Jennifer L. Kalt
|
|
Epilobium siskiyouense Siskiyou fireweed, Siskiyou willowherb
• rare native
Perennial herb 
2019 Matt Berger
2023 Joaquin Hale
2021 Donald Burk
|
|
Ericameria ophitidis Serpentine goldenbush, Serpentine macronema
• rare native
Shrub  2005 Dean Wm. Taylor
 Shasta-Trinity National Forest
 2017 Belinda Lo
|
|
Erigeron bloomeri var. nudatus Scabland fleabane, Waldo daisy
• rare native
Perennial herb  2008 Norman Jensen
|
|
Erigeron foliosus var. confinis Leafy fleabane
native
Perennial herb 
2023 Dana York
2023 Dana York
2007 Keir Morse
|
|
Erigeron greenei Greene's narrow-leaved daisy
• rare native
Perennial herb 
2018 John Game
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Erigeron petrophilus var. sierrensis Northern sierra daisy, Sierra erigeron
• rare native
Perennial herb (rhizomatous) 
2019 David popp
2017 David popp
2018 David popp
|
|
Erigeron serpentinus Serpentine daisy, Serpentine erigeron
• rare native
Perennial herb 
2021 R.A. Chasey
2021 R.A. Chasey
2010 Tony Morosco
|
|
Eriogonum alpinum Trinity buckwheat
• rare native
Perennial herb (rhizomatous) 
2022 Glenn Fine
2014 Steve Matson
2019 Matt Berger
|
|
Eriogonum cedrorum The cedars buckwheat
• rare native
Perennial herb 
2021 R.A. Chasey
2010 Tony Morosco
2021 R.A. Chasey
|
|
Eriogonum congdonii Congdon's buckwheat
• rare native
Shrub 
2014 Steve Matson
2014 Steve Matson
2019 Matt Berger
|
|
Eriogonum hirtellum Klamath mountain buckwheat, Klamath mtn. buckwheat
• rare native
Perennial herb (rhizomatous)  2009 Zoya Akulova
 2010 Steve Matson
 2010 Steve Matson
|
|
Eriogonum kelloggii Kellogg's buckwheat, Red mountain buckwheat
• rare native
Perennial herb  2008 Kaylea Eickhoff
 2010 Steve Matson
 2008 Kaylea Eickhoff
|
|
Eriogonum libertini Dubakella mountain buckwheat, Dubakella mtn. buckwheat, Hoffman buckwheat
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2011 Julie A. Kierstead
|
|
Eriogonum luteolum var. caninum Tiburon buckwheat
• rare native
Annual herb 
2020 R.A. Chasey
2020 R.A. Chasey
2021 R.A. Chasey
|
|
Eriogonum luteolum var. luteolum Golden buckwheat, Goldencarpet buckwheat
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Eriogonum nervulosum Snow Mountain buckwheat
• rare native
Perennial herb (rhizomatous) 
2022 Ryan O'Dell
2009 Zoya Akulova
2010 Charles Patterson
|
|
Eriogonum pendulum Waldo buckwheat
• rare native
Perennial herb  2009 Norman Jensen
 2008 Keir Morse
 2008 Keir Morse
|
|
Eriogonum siskiyouense Siskiyou buckwheat
• rare native
Perennial herb 
2017 John Rawlings
2019 Matt Berger
2014 Steve Matson
|
|
Eriogonum strictum var. greenei Greene's buckwheat
• rare native
Perennial herb 
2017 Steve Matson
2010 Julie A. Kierstead
2020 R.A. Chasey
|
|
Eriogonum ternatum Ternate buckwheat
• rare native
Perennial herb 
2021 Don Hollander
2021 Don Hollander
2021 Don Hollander
|
|
Eriogonum tripodum Tripod buckwheat
• rare native
Shrub 
2023 Mike Russler
2023 Mike Russler
2021 Scott Yarger
|
|
Eriogonum umbellatum var. humistratum Mt. Eddy buckwheat
• rare native
Perennial herb 
2022 Dana York
2019 Julie Kierstead Nelson
2017 Julie Kierstead Nelson
|
|
Eriogonum umbellatum var. nelsoniorum Sulphur buckwheat
native
Perennial herb 
2010 Julie A. Kierstead
2023 Dana York
2010 Julie A. Kierstead
|
|
Eriogonum umbellatum var. speciosum Showy sulfur buckwheat, Sulphur flower buckwheat
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Eriophyllum latilobum San mateo woolly sunflower
• rare native
Perennial herb 
2020 Diana Wahl
2015 Neal Kramer
2015 Neal Kramer
|
|
Erythranthe glaucescens shield-bracted monkeyflower
• rare native
Annual herb 
2021 Steve Matson
2021 Steve Matson
2023 Cheryl Ballantyne
|
|
Erythranthe linearifolia Primrose monkeyflower
native
Perennial herb 
2018 Julie Kierstead Nelson
2014 Steve Matson
2021 Julie A. Kierstead
|
|
Erythranthe nudata bare monkeyflower
• rare native
Annual herb 
2019 Paul Aigner
2015 John Doyen
2019 Paul Aigner
|
|
Erythranthe percaulis Serpentine Canyon monkeyflower
• rare native
Annual herb 
2016 David popp
2019 David popp
2019 David popp
|
|
Erythranthe trinitiensis Pink-margined monkeyflower
• rare native
Annual herb 
2019 Steve Laymon
2019 Steve Matson
2019 John Game
|
|
Erythranthe willisii Feather River monkeyflower
native
Perennial herb 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Erythronium citrinum var. citrinum Cream fawnlily, Lemon colored fawn lily
• rare native
Perennial herb (bulb) 
2022 Dana York
2024 Mary Ann Machi
2021 Dana York
|
|
Erythronium citrinum var. roderickii Lemon colored fawn lily, Roderick's fawnlily
• rare native
Perennial herb (bulb) 
2022 Christopher Collier
2018 Sierra Pacific Industries
2022 Christopher Collier
|
|
Erythronium helenae Pacific fawnlily, St. Helena fawn lily
• rare native
Perennial herb (bulb) 
2016 Suzanne L. Weakley
2020 John Game
2020 Claudia Morgan
|
|
Frangula californica ssp. occidentalis Wetern california coffeeberry
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Fritillaria biflora var. ineziana Hillsborough chocolate lily
• rare native
Perennial herb (bulb) 
2004 Toni Corelli
2004 Toni Corelli
2004 Toni Corelli
|
|
Fritillaria falcata Talus fritillary
• rare native
Perennial herb (bulb) 
2019 joey malone
2019 Matt Berger
2023 Mike Russler
|
|
Fritillaria glauca Siskiyou fritillary, Siskiyou missionbells
• rare native
Perennial herb 
2023 Dana York
2019 Joey Santore
2020 Tim Miller
|
|
Fritillaria purdyi Purdy's fritillary
• rare native
Perennial herb (bulb) 
2020 Steve Conger
2012 Vernon Smith
2020 Kale Levin
|
|
Fritillaria viridea San benito fritillary
• rare native
Perennial herb (bulb) 
2021 Dee Shea Himes
2022 Mike Russler
2022 Mike Russler
|
|
Galium ambiguum ssp. siskiyouense Siskiyou bedstraw
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2008 Keir Morse
|
|
Galium andrewsii ssp. gatense Serpentine bedstraw
• rare native
Perennial herb 
2019 David Greenberger
2019 Steve Matson
2019 Steve Matson
|
|
Galium hardhamiae Hardham's bedstraw
• rare native
Perennial herb  1984 California Native Plant Society
 1984 California Native Plant Society
|
|
Galium serpenticum ssp. scotticum Scott mountain bedstraw, Scott mtn. bedstraw
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Garrya buxifolia Boxleaf silk tassel, Boxleaf silktassel, Dwarf silktassel
native
Shrub 
2019 Susan McDougall
2021 Steve Conger
2021 Steve Matson
|
|
Garrya congdonii Chaparral silktassel, Congdon's silk tassel, Interior silktassel
native
Shrub 
2023 Steve Laymon
2020 Susan McDougall
2020 Susan McDougall
|
|
Gentiana setigera Mendocino gentian
• rare native
Perennial herb 
2007 Keir Morse
2007 Keir Morse
2007 Keir Morse
|
|
Githopsis pulchella ssp. serpentinicola Serpentine bluecup, Sierra bluecup
• rare native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Harmonia doris-nilesiae Niles's harmonia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Harmonia guggolziorum Guggolz's harmonia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Harmonia hallii Hall's harmonia
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2022 Ryan O'Dell
|
|
Harmonia stebbinsii Stebbins's harmonia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Hastingsia serpentinicola Klamath rushlily, Siskiyou hastingsia
native
Perennial herb 
2019 Julie Kierstead Nelson
2014 John Doyen
2016 Julie Kierstead Nelson
|
|
Helianthus exilis Serpentine sunflower
• rare native
Annual herb 
2019 Amida Verhey
2021 Mike Russler
2020 Charles Russell
|
|
Hesperocyparis macnabiana Macnab cypress
native
Tree, Shrub 
2021 Christopher Collier
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub 
2021 Bryant Baker
2021 R.A. Chasey
2021 Bryant Baker
|
|
Hesperolinon adenophyllum Glandular dwarf flax, Glandular western flax
• rare native
Annual herb  2002 John Game
 2006 Kerry Heise
 2006 Kerry Heise
|
|
Hesperolinon bicarpellatum Two carpellate western flax, Twocarpel dwarf flax
• rare native
Annual herb 
2017 John Game
2021 R.A. Chasey
2017 Adam Chasey
|
|
Hesperolinon congestum Marin dwarf flax, Marin western flax
• rare native
Annual herb 
2021 Charles Russell
2019 David Greenberger
2016 David Greenberger
|
|
Hesperolinon didymocarpum Lake county dwarf flax, Lake county western flax
• rare native
Annual herb  2018 Aaron Arthur
 2018 Aaron Arthur
 2018 Aaron Arthur
|
|
Hesperolinon disjunctum Coast range dwarf flax, Coast range western flax
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Hesperolinon drymarioides Drymaria like western flax, Drymary dwarf flax
• rare native
Annual herb  Niall McCarten and CNPS
 2013 Jake Ruygt
 Niall McCarten and CNPS
|
|
Hesperolinon sharsmithiae Sharsmith's western flax
• rare native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Hesperolinon spergulinum Slender dwarf flax, Slender western flax
native
Annual herb 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Hesperolinon tehamense Paskenta grade dwarf flax, Tehama county western flax
• rare native
Annual herb  Roxanne Bittman and CNPS
 Roxanne Bittman and CNPS
 1997 Dean Wm. Taylor
|
|
Hieracium bolanderi Bolander's hawkweed
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Horkelia congesta var. nemorosa Josephine horkelia
• rare native
Perennial herb  2015 John Doyen
 2011 Doreen L. Smith
 2011 Doreen L. Smith
|
|
Horkelia daucifolia Carrot leafed horkelia, Carrotleaf horkelia
native
Perennial herb 
2016 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
2011 Steve Matson
|
|
Horkelia daucifolia var. daucifolia Carrot leafed horkelia
native
Perennial herb  2016 Julie Kierstead Nelson
 2016 Julie Kierstead Nelson
 2016 Julie Kierstead Nelson
|
|
Horkelia daucifolia var. indicta Jepson's horkelia
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Horkelia sericata Howell's horkelia, Silky horkelia
• rare native
Perennial herb  2015 John Doyen
 2014 John Doyen
 2010 Sean B. Smith
|
|
Howellanthus dalesianus Scott mountain phacelia
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Iris bracteata Siskiyou iris
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Iris innominata Del norte county iris
• rare native
Perennial herb (rhizomatous) 
2010 Gerald Carr
2010 Gerald Carr
2010 Gerald Carr
|
|
Iris thompsonii Thompson's iris
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2017 Steve Matson
|
|
Ivesia pickeringii Pickering's ivesia, Silky mousetail
• rare native
Perennial herb 
2021 Julie A. Kierstead
2021 Julie A. Kierstead
2021 Julie A. Kierstead
|
|
Juniperus communis var. jackii Common juniper
native
Shrub 
2019 Bob Sweatt
2022 Dana York
2019 Bob Sweatt
|
|
Lagophylla minor Lesser hareleaf, Little hareleaf
native
Annual herb 
2020 Natasha Khanna-Dang
2021 Paul Aigner
2021 Paul Aigner
|
|
Lathyrus biflorus Two flowered pea, Twoflower pea
• rare native
Perennial herb  2005 Jennifer L. Kalt
 2009 Tony LaBanca
 2005 Jennifer L. Kalt
|
|
Lathyrus delnorticus Del norte pea
• rare native
Perennial herb 
2020 Kolby Lundgren
2022 Tricia Bippus
2007 Norman Jensen
|
|
Layia discoidea Rayless layia, Rayless tidytips
• rare native
Annual herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Leptosiphon ambiguus Serpentine leptosiphon
• rare native
Annual herb 
2019 David Greenberger
2019 Paul Hankamp
2018 Elinor Gates
|
|
Leptosiphon nuttallii ssp. howellii Mt. tedoc leptosiphon
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Lessingia arachnoidea Crystal springs lessingia
• rare native
Annual herb 
2019 Joerg Lohse
2019 Patrick Furtado
2019 Joerg Lohse
|
|
Lessingia micradenia var. glabrata Smooth lessingia
• rare native
Annual herb 
2019 Ken Hickman
2020 R.A. Chasey
2019 Julia King
|
|
Lessingia micradenia var. micradenia Mt. tamalpais lessingia
• rare native
Annual herb 
2019 David Greenberger
2017 Scott Yarger
2023 R.A. Chasey
|
|
Lessingia ramulosa Sonoma lessingia
native
Annual herb 
2013 BOB CASE
2020 Paul Aigner
2021 R.A. Chasey
|
|
Lewisia oppositifolia Opposite leaved lewisia, Oppositeleaf lewisia
• rare native
Perennial herb 
2011 John Doyen
2011 John Doyen
2011 John Doyen
|
|
Lewisia stebbinsii Stebbins' lewisia, Stebbins's lewisia
• rare native
Perennial herb 
2020 Dee Shea Himes
2015 John Doyen
2017 Adam Chasey
|
|
Lilium bolanderi Bolander's lily
• rare native
Perennial herb (bulb) 
2018 Anna Sereno
2018 Anna Sereno
2020 Kolby Lundgren
|
|
Lilium pardalinum ssp. vollmeri Vollmer's lily
• rare native
Perennial herb (bulb) 
2022 Mary Ann Machi
2022 Mary Ann Machi
2023 Mary Ann Machi
|
|
Lomatium ciliolatum Yolla bolly biscuitroot, Yolla bolly lomatium
native
Perennial herb  2011 Steve Matson
 2011 Steve Matson
 2019 John Doyen
|
|
Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot, Yolla bolly lomatium
native
Perennial herb 2011 Steve Matson
2011 Steve Matson
2019 John Doyen
|
|
Lomatium congdonii Congdon's lomatium, Mariposa desertparsley
• rare native
Perennial herb 
2016 BOB CASE
2020 Matt Berger
2022 BOB CASE
|
|
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Lomatium engelmannii Engelmann's desertparsley, Engelmann's lomatium
• rare native
Perennial herb 
2018 Matt Berger
2006 Dean Wm. Taylor, Ph.D.
2019 Julie A. Kierstead
|
|
Lomatium hooveri Hoover's lomatium
• rare native
Perennial herb 
2015 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Lomatium howellii Howell's biscuitroot, Howell's lomatium
• rare native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
|
|
Lomatium tracyi Tracy's desertparsley, Tracy's lomatium
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2018 Julie Kierstead Nelson
|
|
Lupinus constancei Lassics lupine
• rare native
Perennial herb 
2021 Dee Shea Himes
Amelia Ryan
2008 Jennifer L. Kalt
|
|
Lupinus croceus Mt. eddy lupine
native
Perennial herb 
2011 Steve Matson
2014 Steve Matson
2011 Steve Matson
|
|
Lupinus croceus var. croceus Saffron flowered lupine
native
Perennial herb 
2019 Matt Berger
2020 Matt Berger
2020 Matt Berger
|
|
Lupinus croceus var. pilosellus Mt. eddy lupine, Saffron flowered lupine
• rare native
Perennial herb 
2022 Julie A. Kierstead
2022 Julie A. Kierstead
2022 Julie A. Kierstead
|
|
Lupinus spectabilis Shaggyhair lupine
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2022 Mike Russler
|
|
Micranthes howellii Howell's saxifrage
• rare native
Perennial herb 
2024 Steve Conger
2023 Dana York
2024 Mary Ann Machi
|
|
Minuartia decumbens Lassicus stitchwort, The lassics sandwort
native
Perennial herb  2018 Jeb Bjerke
 2018 Jeb Bjerke
 2018 Jeb Bjerke
|
|
Minuartia howellii Howell's sandwort, Howell's stitchwort
native
Perennial herb  2008 Nathan Bello
 2008 Nathan Bello
 2008 Nathan Bello
|
|
Minuartia rosei Peanut sandwort, Peanut stitchwort
native
Perennial herb 
2017 Julie A. Kierstead
2019 Steve Matson
2019 Steve Matson
|
|
Minuartia stolonifera Scott mtn. sandwort, Stolon sandwort
native
Perennial herb 
2021 Julie A. Kierstead
2021 Julie A. Kierstead
1996 Dean Wm. Taylor
|
|
Monardella follettii Follett's monardella
• rare native
Shrub 
2020 Cheryl Ballantyne
2020 Cheryl Ballantyne
2019 David Greenberger
|
|
Monardella palmeri Palmer's monardella
• rare native
Perennial herb (rhizomatous)  2001 CDFA
 2012 Chris Winchell
 2012 Chris Winchell
|
|
Monardella purpurea Serpentine monardella, Siskiyou monardella
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2022 R.A. Chasey
|
|
Monardella stebbinsii Feather river monardella, Stebbins's monardella
• rare native
Perennial herb (rhizomatous) 
2019 David popp
2006 Dr. Mark S. Brunell
2017 David popp
|
|
Monardella villosa ssp. villosa Coyote mint
native
Perennial herb 
2021 Ken Lunders
2012 Terrence Gosliner
2015 James Gonsman
|
|
Navarretia jepsonii Jepson's navarretia, Jepson's pincushionplant
• rare native
Annual herb 
2020 John Game
2019 Steve Matson
2016 Steve Matson
|
|
Navarretia linearifolia ssp. pinnatisecta Pinnate-leaved navarretia
• rare native
Annual herb 
2021 Charles Russell
2021 Charles Russell
2021 Charles Russell
|
|
Navarretia mitracarpa Paso robles navarretia
native
Annual herb 
2022 Mike Russler
2019 David Greenberger
2022 Mike Russler
|
|
Navarretia paradoxiclara Navarretia
• rare native
Annual herb 
2019 David Greenberger
2016 Leigh Johnson
2016 Leigh Johnson
|
|
Navarretia paradoxinota Navarretia
• rare native
Annual herb 
2018 John Game
2017 John Game
2020 Tim Miller
|
|
Navarretia rosulata Marin county navarretia, San anselmo navarretia
• rare native
Annual herb 
2019 David Greenberger
2022 R.A. Chasey
2016 Richard Chasey
|
|
Nemacladus montanus Mountain nemacladus, Mountain threadplant
native
Annual herb 
2022 Paul Aigner
2022 Paul Aigner
2021 R.A. Chasey
|
|
Noccaea fendleri ssp. californica Kneeland prairie pennycress
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Noccaea fendleri ssp. glauca Pennycress
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Orthocarpus pachystachyus Shasta orthocarpus, Shasta owl's clover
• rare native
Annual herb 
2020 Dean Taylor
2020 Dean Taylor
1996 Dean Wm. Taylor
|
|
Packera clevelandii Cleveland's ragwort
native
Perennial herb 
2012 Jean Pawek
2018 Paul Aigner
2018 Paul Aigner
|
|
Packera eurycephala var. eurycephala Widehead groundsel
native
Perennial herb 
2019 Paul Aigner
2019 Paul Aigner
2016 David Greenberger
|
|
Packera eurycephala var. lewisrosei Lewis' groundsel
• rare native
Perennial herb 
2019 David popp
2016 David popp
2018 David popp
|
|
Packera greenei Flame ragwort
native
Perennial herb 
2019 Spencer Riffle
2019 Spencer Riffle
2019 Steve Matson
|
|
Packera layneae Layne's ragwort
• rare native
Perennial herb 
2020 Matt Berger
2022 Charles Russell
2021 Debra Ayres
|
|
Packera macounii Siskiyou mountain ragwort
• rare native
Perennial herb 
2022 Ryan O'Dell
2022 Ryan O'Dell
2022 Ryan O'Dell
|
|
Pediomelum californicum California indian breadroot
native
Perennial herb 
2022 Catherine Chang
2023 Helen Hancock
2019 David Greenberger
|
|
Penstemon filiformis Thread leaved beardtongue, Threadleaf beardtongue
• rare native
Perennial herb 
2015 Steve Matson
2019 Julie Kierstead Nelson
2015 Steve Matson
|
|
Penstemon parvulus Short stalk penstemon, Small penstemon
native
Perennial herb 
2011 Dana York
2011 Dana York
2015 Steve Matson
|
|
Perideridia bacigalupii Bacigalupi's yampah, Mother lode yampah
• rare native
Perennial herb  2007 Chris Winchell
 2007 Chris Winchell
 2007 Chris Winchell
|
|
Perideridia leptocarpa Narrow seeded yampah, Narrowseed yampah
• rare native
Perennial herb  2013 Steve Matson
 2015 Dana York
 2015 Dana York
|
|
Perideridia pringlei Adobe yampah
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Phacelia breweri Brewer's phacelia
native
Annual herb 
2021 Helen Hancock
2022 Helen Hancock
2022 Helen Hancock
|
|
Phacelia corymbosa Serpentine phacelia
native
Perennial herb 
2021 R.A. Chasey
2017 David popp
2021 R.A. Chasey
|
|
Phacelia greenei Scott valley phacelia
• rare native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Phacelia leonis Siskiyou phacelia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Phacelia phacelioides Mt. Diablo phacelia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Phacelia pringlei Pringle's phacelia
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2011 Steve Matson
|
|
Phlox hirsuta Hairy phlox, Yreka phlox
• rare native
Perennial herb 
2024 Bob Mason
2022 Julie A. Kierstead
2019 Barbara Peck
|
|
Pinguicula macroceras California butterwort
• rare native
Perennial herb (carnivorous) 
2017 John Game
2017 Steve Matson
2018 John Game
|
|
Pinguicula macroceras var. macroceras California butterwort
• rare native
Perennial herb (carnivorous)
2017 John Game
2017 Steve Matson
2018 John Game
|
|
Pinus balfouriana ssp. balfouriana Klamath foxtail pine
native
Tree 
2021 Glenn Fine
2022 Dana York
2015 Julie A. Kierstead
|
|
Poa piperi Piper's blue grass, Piper's bluegrass
• rare native
Perennial grass (rhizomatous) 
2017 Dana York
2017 Dana York
2017 Dana York
|
|
Polemonium eddyense Mt. Eddy sky pilot
• rare native
Perennial herb 
2020 Dana York
2011 Steve Matson
2019 Chasey
|
|
Polystichum lemmonii Lemmon's hollyfern, Lemmon's sword fern
native
Fern 
2020 R.A. Chasey
2020 R.A. Chasey
2007 Neal Kramer
|
|
Prosartes parvifolia Siskiyou bells
• rare native
Perennial herb  2010 Ray Collett
 2010 Ray Collett
 2010 Ray Collett
|
|
Pseudotrillium rivale Siskiyou wakerobin
native
Perennial herb 
2023 Steve Conger
2024 Steve Conger
2023 Dana York
|
|
Pyrrocoma racemosa var. congesta Clustered goldenweed, Del norte pyrrocoma
• rare native
Perennial herb 
2007 Keir Morse
2007 Keir Morse
2007 Keir Morse
|
|
Pyrrocoma racemosa var. pinetorum Clustered goldenweed, Pine pyrrocoma
• rare native
Perennial herb 
2020 joaquin hale
2020 joaquin hale
2020 joaquin hale
|
|
Quercus durata var. durata Leather oak
native
Shrub 
2022 Hunter Breck
2020 Charles Russell
2020 R.A. Chasey
|
|
Raillardella pringlei Showy raillardella
• rare native
Perennial herb (rhizomatous) 
2020 David Greenberger
2019 Steve Matson
2019 John Game
|
|
Rudbeckia glaucescens Waxy coneflower
native
Perennial herb 
2020 R.A. Chasey
2018 Anna Sereno
2022 Dee Shea Himes
|
|
Rudbeckia klamathensis Klamath coneflower
native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Salix breweri Brewer's willow, Serpentine willow
native
Shrub 
2022 Ryan O'Dell
2021 R.A. Chasey
2024 R.A. Chasey
|
|
Salix delnortensis Del norte willow
• rare native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Sanguisorba officinalis Great burnet, Official burnet
• rare native
Perennial herb (rhizomatous)  2008 Keir Morse
 2008 Keir Morse
 2013 Asa Spade
|
|
Sanguisorba officinalis ssp. microcephala Great burnet, Official burnet
• rare native
Perennial herb (rhizomatous) 2008 Keir Morse
2008 Keir Morse
2013 Asa Spade
|
|
Sanicula peckiana Peck's blacksnakeroot, Peck's sanicle
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Sedum albomarginatum Feather river stonecrop
• rare native
Perennial herb 
2016 David popp
2022 Ryan O'Dell
2022 Ryan O'Dell
|
|
Sedum citrinum Blue creek stonecrop
• rare native
Perennial herb 
2019 Jonathan Lee
2019 Jonathan Lee
2014 Peter Zika
|
|
Sedum eastwoodiae Red mountain sedum, Red mountain stonecrop, Red mtn. stonecrop
native
Perennial herb  2014 Carex Working Group
 2003 BLM,Arcata Field Office
 2003 BLM,Arcata Field Office
|
|
Sedum laxum ssp. laxum Rose flowered stonecrop, Roseflower stonecrop
native
Perennial herb 
2023 Dana York
2023 Dana York
2008 Ray Stephenson
|
|
Sidalcea hickmanii ssp. anomala Cuesta pass checkerbloom
• rare native
Perennial herb 
2020 David Greenberger
2006 Doreen L. Smith
2020 David Greenberger
|
|
Silene campanulata ssp. campanulata Red mountain catchfly, Red mtn. catchfly
• rare native
Perennial herb 
2019 John Game
2015 Cherilyn Burton
2015 Cherilyn Burton
|
|
Silene campanulata ssp. glandulosa Bell catchfly, Campanulate catchfly, Red mountain catchfly
native
Perennial herb 
2019 Matt Berger
2022 Jamie Spielmann
2022 Jamie Spielmann
|
|
Silene serpentinicola Serpentine catchfly
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Solidago guiradonis Guirado goldenrod, Guirado's goldenrod
• rare native
Perennial herb (rhizomatous) 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Streptanthus barbatus Pacific jewelflower
native
Perennial herb 
2011 Steve Matson
2020 R.A. Chasey
2020 David Greenberger
|
|
Streptanthus barbiger Bearded jewelflower
• rare native
Annual herb 
2020 Joey Santore
2020 Joey Santore
2020 Terrence Gosliner
|
|
Streptanthus batrachopus Mt. Tamalpais jewelflower
• rare native
Annual herb 
2020 Hunter Breck
2012 Aaron Schusteff
2019 David Greenberger
|
|
Streptanthus brachiatus Socrates mine jewelflower
native
Perennial herb 
2020 David Greenberger
2017 Don Loarie
2017 Don Loarie
|
|
Streptanthus brachiatus ssp. brachiatus Socrates mine jewel flower, Socrates mine jewelflower
• rare native
Perennial herb
2020 David Greenberger
2021 R.A. Chasey
2017 Don Loarie
|
|
Streptanthus brachiatus ssp. hoffmanii Freed's jewel flower, Socrates mine jewelflower
• rare native
Perennial herb 
2019 R.A. Chasey
2017 Don Loarie
2017 Don Loarie
|
|
Streptanthus breweri Brewer's jewelflower
native
Annual herb 
2021 Charles Russell
2022 Ryan O'Dell
2022 Mike Russler
|
|
Streptanthus breweri var. breweri Brewer's jewelflower
native
Annual herb
2021 Charles Russell
2022 Ryan O'Dell
2022 Mike Russler
|
|
Streptanthus drepanoides Sickle fruit jewel flower, Sicklefruit jewelflower
• rare native
Annual herb 
2018 Julie Kierstead Nelson
2022 David popp
2023 Ryan O'Dell
|
|
Streptanthus glandulosus ssp. albidus Metcalf canyon jewelflower
native
Annual herb 
2020 Joerg Lohse
2020 Joerg Lohse
2020 R.A. Chasey
|
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb 
2003 Keir Morse
2020 Stacie Wolny
2021 Bryant Baker
|
|
Streptanthus glandulosus ssp. niger Tiburon jewel-flower
• rare native
Annual herb 
2022 Michael Heine
2016 Jane Huber
2021 R.A. Chasey
|
|
Streptanthus glandulosus ssp. pulchellus Mt. Tamalpais jewel flower
• rare native
Annual herb 
2020 David Greenberger
2019 David Greenberger
2019 David Greenberger
|
|
Streptanthus glandulosus ssp. sonomensis Uncommon jewelflower
native
Annual herb 
2015 James Gonsman
2019 R.A. Chasey
2019 R.A. Chasey
|
|
Streptanthus breweri var. hesperidis Green jewel-flower
• rare native
Annual herb 
2021 Charles Russell
2023 Morgan Stickrod
2021 Charles Russell
|
|
Streptanthus hesperidis Green jewel-flower
• rare native
Annual herb
2021 Charles Russell
2023 Morgan Stickrod
2021 Charles Russell
|
|
Streptanthus howellii Howell's jewel flower, Howell's jewelflower
• rare native
Perennial herb  1990 Dean Wm. Taylor
 Rick York and CNPS
 2005 Shawn DeCew
|
|
Streptanthus insignis ssp. insignis Plumed jewelflower, San Benito jewelflower
native
Annual herb 
2019 Matt Berger
2023 Mike Russler
2019 Matt Berger
|
|
Streptanthus morrisonii Morrison's jewelflower
native
Perennial herb 
2019 Cat Chang
2021 David Greenberger
2021 Roger Raiche
|
|
Streptanthus morrisonii ssp. elatus Three peaks jewel flower, Three peaks jewelflower
• rare native
Perennial herb 
2022 Ryan O'Dell
2022 Ryan O'Dell
2023 Ryan O'Dell
|
|
Streptanthus morrisonii ssp. hirtiflorus Dorr's cabin jewel flower, Dorr's cabin jewelflower
• rare native
Perennial herb  1998 Dean Wm. Taylor
 1998 John Game
|
|
Streptanthus morrisonii ssp. kruckebergii Kruckeberg's jewel flower, Krukeberg's jewelflower
• rare native
Perennial herb 1998 Dean Wm. Taylor
1998 John Game
|
|
Streptanthus morrisonii ssp. morrisonii Morrison's jewel flower, Morrison's jewelflower
• rare native
Perennial herb 1998 Dean Wm. Taylor
1998 John Game
|
|
Streptanthus polygaloides Milkwort jewelflower
native
Annual herb 
2019 Belinda Lo
2023 Mike Russler
2019 Alison Sheehey
|
|
Streptanthus vernalis Early jewel-flower
• rare native
Annual herb 
2019 Joey Santore
2019 Joey Santore
2019 Joey Santore
|
|
Toxicoscordion fontanum Marsh zigadenus
• rare native
Perennial herb 
2020 Susan McDougall
2020 Susan McDougall
2021 Cynthia Powell
|
|
Trichostema laxum Turpentine weed
native
Annual herb 
2023 Steve Conger
2020 John Game
2021 Steve Laymon
|
|
Trichostema rubisepalum Hernandez bluecurls
• rare native
Annual herb 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Trifolium longipes ssp. elmeri Elmer's clover
native
Perennial herb 
2022 Dana York
2020 R.A. Chasey
2020 R.A. Chasey
|
|
Trifolium longipes ssp. oreganum Oregon clover
native
Perennial herb 
2009 Dana York
2009 Dana York
2013 Dana York
|
|
Triteleia crocea Yellow brodiaea, Yellow triplet lily, Yellow triteleia
native
Perennial herb 
2021 Steve Matson
2020 Jeff Bisbee
2020 Jeff Bisbee
|
|
Triteleia crocea var. crocea Yellow triteleia
• rare native
Perennial herb (bulb) 
2023 Amy Rachkowski
2023 Amy Rachkowski
2023 Amy Rachkowski
|
|
Triteleia crocea var. modesta Trinity mountains pretty face, Yellow triteleia
• rare native
Perennial herb (bulb) 
2023 Morgan Stickrod
2023 Seth Beres
2000 John Game
|
|
Triteleia ixioides ssp. cookii Cook's triteleia
• rare native
Perennial herb (bulb)  2000 Joseph Dougherty/ecology.org
|
|
Triteleia peduncularis Long ray brodiaea, Long rayed brodiaea, Marsh triteleia
native
Perennial herb 
2021 Suzanne L. Weakley
2020 John Game
2021 Suzanne L. Weakley
|
|
Vancouveria chrysantha Golden inside out flower, Golden vancouveria, Siskiyou inside out flower
• rare native
Perennial herb (rhizomatous) 
2018 John Game
2020 Kolby Lundgren
2015 John Doyen
|
|
Verbena californica California vervain, Red hills vervain
• rare native
Perennial herb 
2019 David Greenberger
2017 David Greenberger
2019 David Greenberger
|
|
Veronica copelandii Copeland's speedwell
• rare native
Perennial herb 
2014 Steve Matson
2019 Julie Kierstead Nelson
2019 Dana York
|
|
Viola cuneata Wedge leaf violet, Wedgeleaf violet
native
Perennial herb 
2021 Steve Matson
2017 Steve Matson
2006 Steve Matson
|
|
Viola hallii Hall's violet, Oregon violet
native
Perennial herb 
2021 Steve Matson
2017 Steve Matson
2021 Steve Matson
|
|
Viola primulifolia ssp. occidentalis Western bog violet
• rare native
Perennial herb (rhizomatous) 
2018 John Game
2017 Steve Matson
2023 Dana York
|
|
Zeltnera trichantha Alkali centaury
native
Annual herb 
2021 Charles Russell
2021 Charles Russell
2019 Paul Aigner
|
