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| search for NF occurrences of potential Species of Conservation Concern for forest plan revision work | ||||||
| 487 PLANTS |
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Abies amabilis Lovely fir, Pacific silver fir, Cretan Mallow
• rare native
Tree 
2016 Dana York
2021 Scot Loring
2022 Dana York
|
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Abies lasiocarpa var. lasiocarpa Alpine fir, Subalpine fir
• rare native
Tree 
2022 Dana York
2022 Dana York
2023 Cynthia Powell
|
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Acmispon rubriflorus Red-flowered bird's-foot trefoil
• rare native
Annual herb 
2021 R.A. Chasey
1998 John Game
2021 R.A. Chasey
|
|
Ageratina shastensis Shasta ageratina, Shasta eupatorium
• rare native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Agrostis blasdalei Blasdale bentgrass, Blasdale's bent grass
• rare native
Perennial grass (rhizomatous) 
2013 James Gonsman
2022 R.A. Chasey
2022 R.A. Chasey
|
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Agrostis hendersonii Henderson's bent grass, Henderson's bentgrass
• rare native
Annual grass  2005 Steve Matson
 2005 Steve Matson
|
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Alisma gramineum Grass leaf water plantain, Grasslike waterplantain
• rare native
Perennial herb 
2012 Robert Carr
2012 Robert Carr
2012 Robert Carr
|
|
Allium peninsulare var. franciscanum San francisco bay onion, San francisco onion
• rare native
Perennial herb (bulb) 
2023 Alice Cummings
2021 Dee Shea Himes
2017 Michelle Bosch
|
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Allium sanbornii var. congdonii Congdon's onion
• rare native
Perennial herb (bulb) 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
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Allium sanbornii var. sanbornii Sanborn's allium, Sanborn's onion
• rare native
Perennial herb (bulb) 
2015 Tim Miller
2019 Matt Berger
2019 Matt Berger
|
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Amsinckia lunaris Bent flowered fiddleneck, Bentflower fiddleneck
• rare native
Annual herb 
2022 Michael L. Uhler
2022 R.A. Chasey
2022 Michael L. Uhler
|
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Androsace filiformis Slender stemmed androsace
• rare native
Annual herb 
2015 Gerald Carr
2015 Gerald Carr
2015 Gerald Carr
|
|
Anisocarpus scabridus Scabrid alpine tarplant
• rare native
Perennial herb 
2015 Julie A. Kierstead
2015 Julie A. Kierstead
2015 Julie A. Kierstead
|
|
Anomobryum julaceum Slender silver moss
• rare native
Moss 
2018 Scot Loring
2018 Scot Loring
2013 Scot Loring
|
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Antennaria sawyeri Sawyer's pussy-toes
• rare native
Perennial herb 
2014 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
|
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Anthoxanthum nitens ssp. nitens Vanilla grass
• rare native
Perennial grass (rhizomatous) 
2018 Matt Berger
2014 Zoya Akulova
2006 Louis-M. Landry
|
|
Antirrhinum subcordatum Dimorphic snapdragon
• rare native
Annual herb 
2019 Christian Schwarz
© 2015 Dean Wm. Taylor
2015 Dean Wm. Taylor
|
|
Arabis aculeolata Waldo rock cress, Waldo rockcress
• rare native
Perennial herb 
2007 Gerald Carr
2011 John Doyen
2023 Dana York
|
|
Arabis mcdonaldiana Mcdonald's rock cress
• rare native
Perennial herb 
2012 Gerald Carr
2012 Gerald Carr
2012 Gerald Carr
|
|
Arabis modesta Modest 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
|
|
Arabis rigidissima var. demota Carson range rock cress, Trinity mountain rockcress
• rare native
Perennial herb  2011 Sierra Pacific Industries
 2011 Sierra Pacific Industries
|
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Arabis rigidissima var. rigidissima Trinity mountain rockcress, Trinity mtns. rock cress
• rare native
Perennial herb 2011 Sierra Pacific Industries
 2015 Dana York
 2015 Dana York
|
|
Arceuthobium tsugense ssp. mertensiana Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe
native
Perennial herb (parasitic) 
2016 Richard Spjut
2020 Charles Russell
2021 Mikhela Aiken
|
|
Arctostaphylos canescens ssp. sonomensis Rincon manzanita, Sonoma manzanita
native
Shrub 
2019 Susan McDougall
2021 Mike Russler
2021 Mike Russler
|
|
Arctostaphylos klamathensis Klamath manzanita
• rare native
Shrub 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Arctostaphylos malloryi Balaklala manzanita, Mallory's manzanita
• rare native
Shrub 
2022 Julie A. Kierstead
2018 Michael Dolan
2022 Julie A. Kierstead
|
|
Arctostaphylos manzanita ssp. elegans Konocti manzanita
• rare native
Shrub 
2017 Robert Barnard
2008 Rodney W. Lacey
2008 Rodney W. Lacey
|
|
Arctostaphylos mewukka ssp. truei True's manzanita
• rare native
Shrub 
2020 R.A. Chasey
2021 Mike Russler
2020 R.A. Chasey
|
|
Arctostaphylos myrtifolia Ione manzanita
• rare native
Shrub 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Arctostaphylos nissenana Eldorado manzanita, Nissenan manzanita
• rare native
Shrub 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Arnica spathulata Klamath arnica
• rare native
Perennial herb (rhizomatous) 
2007 Gerald Carr
2023 Dana York
2023 Dana York
|
|
Arnica venosa Shasta county arnica, Veiny arnica
• rare native
Perennial herb (rhizomatous) 
2010 Julie A. Kierstead
2010 Julie A. Kierstead
2019 Julie Kierstead Nelson
|
|
Arnica viscosa Mt. shasta arnica
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2022 Dana York
2023 Dana York
|
|
Asarum caudatum var. viridiflorum Creeping wild ginger, Longtail wild ginger
native
Perennial herb 
2023 Dana York
2022 Jamie Spielmann
2016 Richard Chasey
|
|
Asarum marmoratum Marbled wild ginger, Marbled wildginger
• rare native
Perennial herb (rhizomatous)  2003 Norman Jensen
 2013 Ron Clark
 2013 Ron Clark
|
|
Asclepias solanoana Serpentine milkweed, Solanoa
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Asplenium septentrionale Northern spleenwort
• rare native
Fern (rhizomatous) 
2021 Dana York
2021 Dana York
2021 Dana York
|
|
Asplenium trichomanes ssp. trichomanes spleenwort
• rare native
Fern (rhizomatous) 
2012 Dana York
2012 Dana York
2012 Dana York
|
|
Astragalus agnicidus Humboldt milk vetch, Humboldt milkvetch, Humboldt County Milkvetch
• rare native
Perennial herb 
2022 Dylan Neubauer
2022 Dylan Neubauer
2023 Dylan Neubauer
|
|
Astragalus californicus Klamath basin milkvetch, Klamath milk vetch
native
Perennial herb 
2015 Gerald Carr
2015 Gerald Carr
2015 Gerald Carr
|
|
Astragalus lemmonii Lemmon's milk vetch, Lemmon's milkvetch
• rare native
Perennial herb 
2018 Gerald Carr
2018 Gerald Carr
2018 Gerald Carr
|
|
Astragalus pulsiferae var. suksdorfii Suksdorf's milk vetch, Suksdorf's milkvetch
• rare native
Perennial herb  Anthony Baniaga
 2014 Sierra Pacific Industries
 2009 Sierra Pacific Industries
|
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Astragalus pycnostachyus var. pycnostachyus Marsh milk vetch, Marsh milkvetch
• rare native
Perennial herb 
2008 Toni Corelli
2020 Amy Patten
2019 Patrick Furtado
|
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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 tener var. ferrisiae Ferris' milkvetch, Ferris's milk vetch
• rare native
Annual herb  2019 Ian Cain
 2019 Ian Cain
 2019 Ian Cain
|
|
Astragalus umbraticus Bald mountain milkvetch
• rare native
Perennial herb  2013 Scot Loring
 2015 Adrienne Simmons
 2011 Sierra Pacific Industries
|
|
Atriplex cordulata var. cordulata Heartscale
• rare native
Annual herb  2003 George W. Hartwell
 1994 Robert E. Preston, Ph.D.
 2011 Jean Pawek
|
|
Atriplex coronata var. coronata Crownscale
• rare native
Annual herb 
2023 R.A. Chasey
2023 Cynthia Powell
2021 Cynthia Powell
|
|
Atriplex depressa Brittlescale
• rare native
Annual herb 
2011 Ramona Robison
2009 Zoya Akulova
2003 George W. Hartwell
|
|
Atriplex persistens Pool orache, Pool oracle, Sacramento saltbush
• rare native
Annual herb  2003 George W. Hartwell
 2000 Robert E. Preston, Ph.D.
 2010 Chris Winchell
|
|
Balsamorhiza lanata Woolly balsamroot
• rare native
Perennial herb 
2020 Joey Santore
2020 Joey Santore
2020 Joey Santore
|
|
Balsamorhiza macrolepis Big scale balsam root, California balsamroot
• rare native
Perennial herb 
2022 R.A. Chasey
2023 Matt Berger
2022 R.A. Chasey
|
|
Balsamorhiza sericea Silky balsamroot
• rare native
Perennial herb 
2019 Matt Berger
2019 Glenn Fine
2007 Keir Morse
|
|
Blennosperma nanum var. robustum Point reyes blennosperma
• rare native
Annual herb 
2013 (Lisa) Feather (Walker) Forestwalker
2022 Marcus Tamura
2020 Teresa R Spade, AICP
|
|
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
|
|
Botrychium ascendens Upswept moonwort
• rare native
Fern (rhizomatous) 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Botrychium crenulatum Scalloped moonwort
• rare native
Fern (rhizomatous) 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Botrychium minganense Mingan moonwort
• rare native
Fern (rhizomatous)  2020 Belinda Lo
 2011 Aaron E. Sims
 2014 Sierra Pacific Industries
|
|
Botrychium montanum Western goblin
• rare native
Fern (rhizomatous)  2019 Belinda Lo
 2012 Belinda Lo
 2012 Belinda Lo
|
|
Botrychium pinnatum Northwestern moonwort
• rare native
Fern (rhizomatous)  2007 John Game
 2020 Belinda Lo
 2007 Shawn DeCew
|
|
Botrychium pumicola Crater lake grapefern
• rare native
Fern 
2006 Keir Morse
2006 Keir Morse
2006 Keir Morse
|
|
Botrypus virginianus Rattlesnake fern
• rare native
Fern 
2021 Cheryl Ballantyne
2022 Amy Rachkowski
2008 Louis-M. Landry
|
|
Brasenia schreberi Watershield
• rare native
Perennial herb (aquatic) 
2020 Bob Sweatt
2020 Bob Sweatt
2023 Matt Berger
|
|
Brodiaea leptandra Narrow-flowered california brodiaea
• rare native
Perennial herb 
2022 John Game
2023 Hannah Aclufi
2022 R.A. Chasey
|
|
Brodiaea matsonii Sulphur creek brodiaea
• rare native
Perennial herb 
2020 Jeff Bisbee
2016 Julie A. Kierstead
2011 Robert E. Preston, Ph.D.
|
|
Brodiaea pallida Chinese camp brodiaea
• rare native
Perennial herb (bulb) 
2020 Jeff Bisbee
2020 Jeff Bisbee
2020 Jeff Bisbee
|
|
Brodiaea rosea Indian valley brodiaea
• rare native
Perennial herb (bulb) 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Brodiaea sierrae Sierra foothills brodiaea
• rare native
Perennial herb 
2020 Jeff Bisbee
2019 Steve Laymon
2019 Steve Laymon
|
|
Calamagrostis foliosa Leafy reed grass, Leafy reedgrass
• rare native
Perennial grass 
2015 William Maslach
2006 Steve Matson
2011 Zoya Akulova
|
|
Calicium adspersum Spiral-spored guilded-head pin lichen
• rare native
Lichen 
2018 Scot Loring
2018 Scot Loring
2018 Scot Loring
|
|
Calochortus greenei Greene's mariposa lily
• rare native
Perennial herb (bulb) 
2020 David Greenberger
2019 John L. Thompson
2019 John L. Thompson
|
|
Calochortus longebarbatus var. longebarbatus Long haired star tulip
• rare native
Perennial herb (bulb) 
2011 Steve Matson
2011 Steve Matson
2023 Amy Rachkowski
|
|
Calochortus nudus var. shastensis Naked mariposa lily
native
Perennial herb 
2005 Steve Matson
2020 Joey Santore
2014 Steve Matson
|
|
Calochortus persistens Siskiyou mariposa lily
• rare native
Perennial herb (bulb) 
2020 Joey Santore
2020 Joey Santore
2020 Joey Santore
|
|
Calochortus syntrophus Callahan's mariposa lily
• rare native
Perennial herb 
2018 Julie A. Kierstead
2018 Julie A. Kierstead
2018 Julie A. Kierstead
|
|
Calycadenia micrantha Small flowered calycadenia
• rare native
Annual herb 
2022 Ryan O'Dell
2022 Ryan O'Dell
2012 Jake Ruygt
|
|
Calystegia atriplicifolia ssp. buttensis Butte county morning glory
• rare native
Perennial herb (rhizomatous) 
2020 Lilyanne Price
2008 John Dittes
2008 Sierra Pacific Industries
|
|
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 purpurata ssp. saxicola Bodega morning glory, Pacific false bindweed
• rare native
Perennial herb 
2017 Mary Sue Ittner
2022 Zoya Akulova-Barlow
2019 Manzanita Dictionary
|
|
Campanula californica Swamp harebell
• rare native
Perennial herb (rhizomatous) 
2023 Charles Russell
2023 Suzanne L. Weakley
2019 R.A. Chasey
|
|
Campanula exigua Chaparral harebell
• rare native
Annual herb 
2019 David Greenberger
2022 R.A. Chasey
2019 David Greenberger
|
|
Campanula shetleri Castle crag's harebell, Castle crags harebell
• rare native
Perennial herb (rhizomatous) 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Campanula wilkinsiana Wilkins' harebell
• rare native
Perennial herb (rhizomatous) 
2022 Dana York
2018 Jane Cohn
2022 Dana York
|
|
Cardamine angulata Seaside bitter cress, Seaside bittercress
• rare native
Perennial herb 
2021 Dana York
2021 Dana York
2015 Dana York
|
|
Cardamine nuttallii var. gemmata Nuttall's toothwort, Yellow tubered toothwort
• rare native
Perennial herb (rhizomatous) 
2007 Keir Morse
2007 Keir Morse
2007 Keir Morse
|
|
Carex arcta Bear sedge
• rare native
Perennial grasslike herb  2006 Dean Wm. Taylor
 2006 Dean Wm. Taylor
 2006 Dean Wm. Taylor
|
|
Carex buxbaumii Buxbaum's sedge
• rare native
Perennial grasslike herb 
2010 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Carex californica California sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2020 Hayley Ross
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Carex comosa Bristly sedge, Longhair sedge
• rare native
Perennial grasslike herb (rhizomatous)  2003 Steve Matson
 1997 Dean Wm. Taylor
 2009 Kerry Heise
|
|
Carex cyrtostachya Arching sedge
• rare native
Perennial grasslike herb  © 2016 Dean Wm. Taylor
 2016 Dean Wm. Taylor
 2016 Dean Wm. Taylor
|
|
Carex halliana Hall's sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2022 Dana York
2019 Matt C. Berger
2008 Sean B. Smith
|
|
Carex hystericina Bottlebrush sedge
• rare native
Perennial grasslike herb (rhizomatous)  2003 Steve Matson
 2003 Steve Matson
|
|
Carex lasiocarpa Slender sedge, Woolly fruited sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2014 Robert L. Carr
2014 Robert L. Carr
2014 Robert L. Carr
|
|
Carex lenticularis var. limnophila Lakeshore sedge
• rare native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
 2003 Steve Matson
|
|
Carex leptalea Bristlestalked sedge, Flaccid sedge
• rare native
Perennial grasslike herb (rhizomatous)  2003 Steve Matson
 2003 Steve Matson
 2003 Steve Matson
|
|
Carex limosa Mud sedge, Shore sedge
• rare native
Perennial grasslike herb (rhizomatous) 
2009 Steve Matson
2020 Bob Sweatt
2019 Matt Berger
|
|
Carex livida Livid sedge
• rare native
Perennial grasslike herb (rhizomatous)  University and Jepson Herbaria
|
|
Carex lyngbyei Lyngbye's sedge
• rare native
Perennial grasslike herb 
2017 Steve Matson
2013 Brianna Ceglia
2017 Steve Matson
|
|
Carex nardina Spike sedge
• rare native
Perennial grasslike herb 
2011 Dana York
2011 Dana York
2018 Susan McDougall
|
|
Carex petasata Liddon sedge, Liddon's sedge
• rare native
Perennial grasslike herb  2009 Sierra Pacific Industries
 2007 Dean Wm. Taylor, Ph.D.
 2007 Dean Wm. Taylor, Ph.D.
|
|
Carex praticola Meadow sedge
• rare native
Perennial grasslike herb  2013 Scot Loring
 2013 Scot Loring
 2013 Scot Loring
|
|
Carex saliniformis Salt sedge
• rare native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
 2011 Halleh Paymard
|
|
Carex scoparia var. scoparia Pointed broomsedge
• rare native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
|
|
Carex serpenticola Serpentine sedge
• rare native
Perennial grasslike herb 
2016 Dana York
2016 Dana York
2016 Dana York
|
|
Carex viridula ssp. viridula Little green sedge
• rare native
Perennial grasslike herb 
2020 Dana York
2020 Dana York
2020 Dana York
|
|
Cascadia nuttallii Nuttall's saxifrage
• rare native
Perennial herb 
2023 Dana York
2013 Dana York
2021 Scot Loring
|
|
Castilleja ambigua var. humboldtiensis Humboldt bay owl's-clover
• rare native
Annual herb 
2023 Steve Conger
2022 Cynthia Adkisson
2017 Lucinda Adamson
|
|
Castilleja brevilobata Short-lobed paintbrush
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Castilleja elata Siskiyou paintbrush
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2005 Norman Jensen
|
|
Castilleja litoralis Oregon coast paintbrush
• rare native
Perennial herb 
2024 Mary Ann Machi
2024 Mary Ann Machi
2010 Vernon Smith
|
|
Castilleja mendocinensis Mendocino coast indian paintbrush
• rare native
Perennial herb (hemiparasitic) 
2022 R.A. Chasey
2016 R. Adam Chasey
2016 Asa & Teresa Spade
|
|
Castilleja rubicundula var. rubicundula Pink creamsacs
• rare native
Annual herb 
2021 Charles Russell
2019 Rachel Aine
2019 Rachel Aine
|
|
Ceanothus confusus Rincon ridge ceanothus
• rare native
Shrub 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Ceanothus divergens Calistoga ceanothus
• rare native
Shrub 
2019 Susan McDougall
2019 Susan McDougall
2021 R.A. Chasey
|
|
Centromadia parryi ssp. parryi Pappose tarplant
• rare native
Annual herb 
2009 Toni Corelli
2009 Toni Corelli
2009 Toni Corelli
|
|
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.
|
|
Chloropyron molle ssp. hispidum Hispid bird's-beak
• rare native
Annual herb 
2019 David Greenberger
2012 Doug Wirtz
2012 Douglas Wirtz
|
|
Chloropyron palmatum Palmate-bracted bird's-beak
• rare native
Annual herb 
2019 David Greenberger
2007 John Game
2003 George W. Hartwell
|
|
Chorizanthe howellii Howell's spineflower, Mendocino spineflower
• rare native
Annual herb 
2022 R.A. Chasey
2022 Edy Horwood
2016 Asa B Spade
|
|
Cirsium ciliolatum Ashland thistle
• rare native
Perennial herb 
2017 Gerald Carr
2017 Gerald Carr
2017 Gerald Carr
|
|
Cirsium fontinale var. campylon Mt hamilton thistle, Mt. hamilton thistle
• rare native
Perennial herb 
2019 David Greenberger
2020 David Greenberger
2020 R.A. Chasey
|
|
Clarkia amoena ssp. whitneyi Farewell to spring, Whitney's clarkia
• rare native
Annual herb 
2022 Asa B Spade
2018 Asa B Spade
2022 Asa B Spade
|
|
Clarkia borealis ssp. arida Shasta clarkia
• rare native
Annual herb 
2015 Steve Laymon
2016 Steve Laymon
|
|
Clarkia borealis ssp. borealis Northern clarkia
• rare native
Annual herb 
2020 Steve Laymon
2020 Steve Laymon
2019 Steve Laymon
|
|
Clarkia gracilis ssp. albicaulis White stemmed clarkia, Whitestem clarkia
• rare native
Annual herb 
2019 Steve Laymon
2020 Steve Laymon
2019 Steve Laymon
|
|
Claytonia umbellata Great basin claytonia, Great basin springbeauty
• rare native
Perennial herb 
2020 Dolly B. Chapman
2020 Dolly B. Chapman
2013 Larry Crawford
|
|
Collinsia corymbosa Round headed chinese houses, Roundhead chinese houses
• rare native
Annual herb 
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Collomia larsenii Talus collomia
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
1991 Julie A. Kierstead
1991 Julie A. Kierstead
|
|
Coptis laciniata Oregon golden thread, Oregon goldthread
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Cordylanthus tenuis ssp. pallescens Pallid bird's beak
• rare native
Annual herb (hemiparasitic) 
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
|
|
Cornus canadensis Bunch berry
• rare native
Perennial herb 
2001 William Maslach
2018 Jonathan Lee
2021 Scot Loring
|
|
Cryptantha crinita Sacramento cryptantha, Silky cryptantha
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2020 Matt Berger
|
|
Cryptantha dissita Serpentine cryptantha
• rare native
Annual herb 
2020 Terrence Gosliner
2019 Terry Gosliner
2019 Terry Gosliner
|
|
Cuscuta jepsonii Jepson's dodder
• rare native
Annual herb, Vine 
2019 Julie Kierstead Nelson
2021 Amy Rachkowski
2021 Amy Rachkowski
|
|
Cypripedium californicum California lady's slipper
• rare native
Perennial herb (rhizomatous) 
2023 Mary Ann Machi
2017 Steve Matson
2018 Margarita Orlova
|
|
Cypripedium fasciculatum Clustered lady's slipper
• rare native
Perennial herb (rhizomatous) 
2018 Timothy Boomer
2023 Bill Kress
2020 Shane Hanofee
|
|
Cypripedium montanum Mountain lady's slipper
• rare native
Perennial herb (rhizomatous) 
2018 Timothy Boomer
2018 Timothy Boomer
2017 Julie Kierstead Nelson
|
|
Darlingtonia californica California pitcherplant
• rare native
Perennial herb (carnivorous) 
2023 Mary Ann Machi
2023 Mary Ann Machi
2005 Steve Matson
|
|
Dimeresia howellii Doublet
• rare native
Annual herb 
2022 Jordan Collins
2006 Steve Matson
2006 Steve Matson
|
|
Mimulus pygmaeus Egg Lake monkeyflower
• rare native
Annual herb  James T. Vale and CNPS
 2001 Steve Schoenig
 2006 Dean Wm. Taylor
|
|
Dirca occidentalis Western leatherwood
• rare native
Shrub 
2017 John Game
2024 William Blaker
2018 David Greenberger
|
|
Draba aureola Golden draba, Mt. lassen draba
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2020 joaquin hale
|
|
Draba carnosula Mt. Eddy draba
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2019 John Game
|
|
Drosera anglica English sundew, Long leaved sundew
• rare native
Perennial herb (carnivorous) 
2011 Dana York
2011 Dana York
2006 Steve Matson
|
|
Epilobium luteum Yellow willowherb
• rare native
Perennial herb 
2020 Jane Cohn
2020 Jane Cohn
2020 Jane Cohn
|
|
Epilobium nivium Snow mountain willowherb, Snow mtn. willowherb
• rare native
Perennial herb  2011 Ryan Elliott
 2011 Ryan Elliott
|
|
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
|
|
Eriastrum brandegeeae Brandegee's eriastrum
• rare native
Annual herb 
2022 Steve Laymon
© 1997 Dean Wm. Taylor
|
|
Eriastrum tracyi Tracy's eriastrum
• rare native
Annual herb 
2020 David Greenberger
2023 Aidan Marshall
2021 Steve Laymon
|
|
Erigeron bloomeri var. nudatus Scabland fleabane, Waldo daisy
• rare native
Perennial herb  2008 Norman Jensen
|
|
Erigeron greenei Greene's narrow-leaved daisy
• rare native
Perennial herb 
2018 John Game
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Erigeron maniopotamicus Mad river fleabane daisy
• rare native
Perennial herb  2007 Maria Hemenway
 2007 Maria J. Boudreaux
|
|
Erigeron nivalis Northern daisy
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Erigeron supplex Supple daisy, Supple fleabane
• rare native
Perennial herb  2012 Asa Spade
 2015 Aaron Arthur
 2009 Halleh Paymard
|
|
Eriogonum alpinum Trinity buckwheat
• rare native
Perennial herb (rhizomatous) 
2022 Glenn Fine
2014 Steve Matson
2019 Matt Berger
|
|
Eriogonum diclinum Jaynes canyon buckwheat
• rare native
Perennial herb 
2022 Dana York
2022 Dana York
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 nervulosum Snow Mountain buckwheat
• rare native
Perennial herb (rhizomatous) 
2022 Ryan O'Dell
2009 Zoya Akulova
2010 Charles Patterson
|
|
Eriogonum nudum var. paralinum Del norte buckwheat
• rare native
Perennial herb  2010 Steve Matson
 2010 Steve Matson
 2010 Steve Matson
|
|
Eriogonum pendulum Waldo buckwheat
• rare native
Perennial herb  2009 Norman Jensen
 2008 Keir Morse
 2008 Keir Morse
|
|
Eriogonum pyrolifolium var. pyrolifolium Pumice buckwheat, Shasta buckwheat, Wintergreen leaved buckwheat
• rare native
Perennial herb, Shrub 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Eriogonum siskiyouense Siskiyou buckwheat
• rare native
Perennial herb 
2017 John Rawlings
2019 Matt Berger
2014 Steve Matson
|
|
Eriogonum tripodum Tripod buckwheat
• rare native
Shrub 
2023 Mike Russler
2023 Mike Russler
2021 Scott Yarger
|
|
Eriogonum umbellatum var. glaberrimum Green buckwheat
• rare native
Perennial herb  2007 F. Gauna
 2007 F. Gauna
|
|
Eriogonum umbellatum var. lautum Scott valley buckwheat
• rare native
Perennial herb  2007 Dean Wm. Taylor, Ph.D.
 2007 Dean Wm. Taylor, Ph.D.
 2007 Dean Wm. Taylor, Ph.D.
|
|
Eriogonum ursinum var. erubescens Blushing wild buckwheat
• rare native
Perennial herb 
2019 Julie A. Kierstead
2019 Julie A. Kierstead
2019 Julie A. Kierstead
|
|
Eryngium constancei Loch lomond button celery, Loch lomond eryngo
• rare native
Annual, Perennial herb 
2020 Tim Miller
2012 Aaron Arthur
2012 Aaron Arthur
|
|
Erysimum concinnum Headland wallflower
• rare native
Perennial herb 
2017 Steve Matson
2020 R.A. Chasey
2018 Adam Chasey
|
|
Erysimum menziesii Menzies' wallflower
• rare native
Perennial herb 
2023 Dana York
2019 Saskia Raether
2023 Mary Conway
|
|
Mimulus evanescens ephemeral monkeyflower
• rare native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Erythranthe taylorii Shasta limestone monkeyflower
• rare native
Annual herb 
2022 Matt Berger
2022 Matt Berger
2010 Julie A. Kierstead
|
|
Erythranthe trinitiensis Pink-margined monkeyflower
• rare native
Annual herb 
2019 Steve Laymon
2019 Steve Matson
2019 John Game
|
|
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 hendersonii Henderson's fawn lily, Henderson's fawnlily
• rare native
Perennial herb (bulb) 
2022 Dana York
2022 Jerry Murray
2022 Dana York
|
|
Erythronium howellii Howell's fawn lily, Howell's fawnlily
• rare native
Perennial herb (bulb) 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Erythronium klamathense Klamath fawn lily, Klamath fawnlily
• rare native
Perennial herb (bulb) 
2020 Laura Bradley
2019 Belinda Lo
1999 John Game
|
|
Erythronium oregonum Giant white fawnlily, Oregon fawn lily
• rare native
Perennial herb (bulb) 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Erythronium revolutum Mahogany fawn lily
• rare native
Perennial herb (bulb) 
2021 Steve Conger
2021 Mary Ann Machi
2015 John Doyen
|
|
Erythronium shastense Shasta fawn lily
• rare native
Perennial herb 
2013 Dana York
2023 Morgan Stickrod
2010 Julie A. Kierstead
|
|
Eschscholzia rhombipetala Diamond petaled california poppy, Diamondpetal california poppy
• rare native
Annual herb 
2012 Lisa Paterson
2015 Lesley Hamamoto
2012 Lisa Paterson
|
|
Eucephalus vialis Wayside aster
• rare native
Perennial herb 
2008 Gerald Carr
2008 Gerald Carr
2008 Gerald Carr
|
|
Euphorbia ocellata ssp. rattanii Stony creek spurge
• rare native
Annual herb 
2023 Donald Burk
2023 Donald Burk
2023 Donald Burk
|
|
Eurybia merita Subalpine aster
• rare native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Extriplex joaquinana San Joaquin spearscale
• rare native
Annual herb 
2021 Suzanne L. Weakley
2022 Charles Russell
2017 Marco Siragusa
|
|
Frasera umpquaensis Umpqua green-gentian
• rare native
Perennial herb  2010 Norman Jensen
 2008 Amanda Shufelberger
 2008 Amanda Shufelberger
|
|
Fritillaria eastwoodiae Butte county fritillary
• rare native
Perennial herb (bulb) 
2019 Matt Berger
2009 Julie A. Kierstead
2009 Julie A. Kierstead
|
|
Fritillaria gentneri Gentner's fritillary
• rare native
Perennial herb  2005 Kathleen Moody
 2008 Shawn DeCew
 2013 Scot Loring
|
|
Fritillaria glauca Siskiyou fritillary, Siskiyou missionbells
• rare native
Perennial herb 
2023 Dana York
2019 Joey Santore
2020 Tim Miller
|
|
Fritillaria pluriflora Adobe lily
• rare native
Perennial herb (bulb) 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Fritillaria purdyi Purdy's fritillary
• rare native
Perennial herb (bulb) 
2020 Steve Conger
2012 Vernon Smith
2020 Kale Levin
|
|
Fritillaria grayana Roderick's fritillary
• rare native
Perennial herb (bulb) 
2018 Michael Mitchell
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Galium serpenticum ssp. scotticum Scott mountain bedstraw, Scott mtn. bedstraw
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Gentiana plurisetosa Bristly gentian, Klamath gentian
• rare native
Perennial herb 
2016 Dana York
2019 Michael Kauffmann
2007 Norman Jensen
|
|
Gentiana setigera Mendocino gentian
• rare native
Perennial herb 
2007 Keir Morse
2007 Keir Morse
2007 Keir Morse
|
|
Geum aleppicum Aleppo avens, Yellow avens
• rare native
Perennial herb  2010 Louis-M. Landry
 2008 Louis-M. Landry
 2010 Louis-M. Landry
|
|
Gilia capitata ssp. pacifica Pacific blue field gilia, Pacific gilia
• rare native
Annual herb 
2019 Wyatt Dooley
2019 Wyatt Dooley
2016 Steve Matson
|
|
Gilia millefoliata Manyleaf gilia
• rare native
Annual herb 
2019 Wyatt Dooley
2023 Dana York
2016 Teresa R Spade, AICP
|
|
Glyceria grandis American mannagrass
• rare native
Perennial grass (rhizomatous)  2004 Dean Wm. Taylor
 2004 Dean Wm. Taylor
|
|
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 stebbinsii Stebbins's harmonia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Helianthus exilis Serpentine sunflower
• rare native
Annual herb 
2019 Amida Verhey
2021 Mike Russler
2020 Charles Russell
|
|
Hemieva ranunculifolia Buttercup-leaf suksdorfia
• rare native
Perennial herb 
2017 Dana York
2017 Dana York
2017 Dana York
|
|
Hemizonia congesta ssp. congesta Hayfield tarweed
• rare native
Annual herb 
2021 R.A. Chasey
2021 R.A. Chasey
2022 Hunter Breck
|
|
Hesperevax sparsiflora var. brevifolia Short leaved evax, Shortleaf dwarf cudweed
• rare native
Annual herb 
2021 R.A. Chasey
2021 R.A. Chasey
2021 Vernon Smith
|
|
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 didymocarpum Lake county dwarf flax, Lake county western flax
• rare native
Annual herb  2018 Aaron Arthur
 2018 Aaron Arthur
 2018 Aaron Arthur
|
|
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 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
|
|
Hibiscus lasiocarpos var. occidentalis Woolly rose-mallow
• rare native
Perennial herb 
2020 Charles Russell
2021 David popp
2022 Morgan Stickrod
|
|
Horkelia bolanderi Bolander's horkelia, Border horkelia
• rare native
Perennial herb 
2015 Tim Miller
2019 Steve Matson
2019 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 var. indicta Jepson's horkelia
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Horkelia hendersonii Henderson's horkelia
• rare native
Perennial herb 
2019 Amy Patten
2011 Norman Jensen
2022 Julie A. Kierstead
|
|
Horkelia marinensis Point reyes horkelia
• rare native
Perennial herb 
2021 Vernon Smith
2013 James Gonsman
2023 Ryan O'Dell
|
|
Horkelia tenuiloba Santa rosa horkelia, Thin lobed horkelia
• rare native
Perennial herb 
2019 Eliezer Margolis
2019 Cynthia Powell
2018 Hunter Breck
|
|
Hosackia yollabolliensis Yolla bolly mtns. bird's-foot trefoil
• rare native
Perennial herb  2013 Shasta-Trinity National Forest
 2013 Shasta-Trinity National Forest
|
|
Howellanthus dalesianus Scott mountain phacelia
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Howellia aquatilis Water howellia
• rare native
Annual herb (aquatic) 
2011 Gerald Carr
2011 Gerald Carr
2011 Gerald Carr
|
|
Hulsea nana Dwarf alpinegold, Dwarf hulsea
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Hymenoxys lemmonii Lemmon's goldflower, Lemmon's rubberweed
• rare native
Perennial herb  2006 Steve Matson
 2016 John Doyen
 2006 Steve Matson
|
|
Iliamna bakeri Baker's globe mallow, Baker's wild hollyhock
• rare native
Perennial herb 
2020 Steve Laymon
2019 Matt Berger
2018 Matt Berger
|
|
Iliamna latibracteata California globe mallow, California wild hollyhock
• rare native
Perennial herb 
2019 Keir Morse
2023 Keir Morse
2012 Julie A. Kierstead
|
|
Imperata brevifolia California satintail
• rare native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Ivesia longibracteata Castle crags ivesia, Longbract mousetail
• rare native
Perennial herb 
2018 Matt Berger
2011 Shannon Henke
2011 Shannon Henke
|
|
Ivesia pickeringii Pickering's ivesia, Silky mousetail
• rare native
Perennial herb 
2021 Julie A. Kierstead
2021 Julie A. Kierstead
2021 Julie A. Kierstead
|
|
Jaffueliobryum raui Rau's jaffueliobryum moss
• rare native
Moss 
2018 Scot Loring
2018 Scot Loring
2018 Scot Loring
|
|
Juglans hindsii Northern california black walnut
• rare native
Tree 
2016 Steve Matson
2016 Steve Matson
2018 Ron Vanderhoff
|
|
Juncus digitatus Finger rush
• rare native
Perennial grasslike herb  2008 Carol W. Witham
 2008 Carol W. Witham
 2011 Christopher Bronny
|
|
Juncus dudleyi Dudley's rush
• rare native
Perennial grasslike herb  © 2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
|
|
Juncus leiospermus var. ahartii Ahart's dwarf rush
• rare native
Annual grasslike herb 
2023 Justin Chappelle
2023 Justin Chappelle
2004 Carol W. Witham
|
|
Juncus leiospermus var. leiospermus Red bluff dwarf rush
• rare native
Annual grasslike herb  2008 John Dittes
|
|
Juncus luciensis Santa lucia dwarf rush, Santa lucia rush
• rare native
Annual grasslike herb 
2023 Matt Berger
2023 Matt Berger
2023 Matt Berger
|
|
Juncus regelii Regel's rush
• rare native
Perennial grasslike herb (rhizomatous)  2018 Susan McDougall
 2018 Susan McDougall
|
|
Juncus supiniformis Hair leaved rush, Hairyleaf rush
• rare native
Perennial grasslike herb (rhizomatous)  2013 Asa Spade
 2013 Asa Spade
 2013 Asa Spade
|
|
Kopsiopsis hookeri Small groundcone
• rare native
Perennial herb 
2020 Hunter Breck
2022 Michael Heine
2020 Hunter Breck
|
|
Lasthenia burkei Burke's baeria, Burke's goldfields
• rare native
Annual herb  2015 Neal Kramer
 2018 Zoya Akulova
 2002 John Game
|
|
Lasthenia californica ssp. bakeri Baker's goldfields
• rare native
Annual herb 
2016 William Maslach
© 2015 Asa Spade
2015 Asa Spade
|
|
Lasthenia californica ssp. macrantha Perennial goldfields
• rare native
Perennial herb 
2022 R.A. Chasey
2023 Mary Ann Machi
2017 David Greenberger
|
|
Lasthenia conjugens Contra costa goldfields
• rare native
Annual herb 
2022 Irene Rosen
2022 Irene Rosen
2022 Scott Yarger
|
|
Lasthenia glabrata ssp. coulteri Coulter goldfields, Coulter's goldfields, Goldfields
• rare native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Lathyrus biflorus Two flowered pea, Twoflower pea
• rare native
Perennial herb  2005 Jennifer L. Kalt
 2009 Tony LaBanca
 2005 Jennifer L. Kalt
|
|
Lathyrus glandulosus Redwood pea, Sticky pea
• rare native
Perennial herb (rhizomatous)  2011 Barrett Jeffery
 2011 Barrett Jeffery
|
|
Lathyrus japonicus Beach pea, Sea pea
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Lathyrus palustris Marsh pea
• rare native
Perennial herb 
2021 Kipp Pow
2022 Dana York
2008 Jennifer L. Kalt
|
|
Layia carnosa Beach layia, Beach tidytips
• rare native
Annual herb 
2020 David Greenberger
2019 Scott Yarger
2016 Steve Matson
|
|
Layia septentrionalis Colusa layia, Colusa tidytips
• rare native
Annual herb 
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Legenere limosa False venus' looking glass, Legenere
• rare native
Annual herb 
1902 John Game
2019 Ramona Robison
2019 Ramona Robison
|
|
Lepidium latipes var. heckardii Heckard's pepper grass, Heckard's pepperweed
• rare native
Annual herb 
2009 Vernon Smith
2023 Justin Chappelle
2018 Jennifer Buck
|
|
Leptosiphon jepsonii Jepson's leptosiphon
• rare native
Annual herb 
2021 Zoya Akulova
2013 James Gonsman
2023 R.A. Chasey
|
|
Leptosiphon nuttallii ssp. howellii Mt. tedoc leptosiphon
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Lewisia cantelovii Cantelow's lewisia
• rare native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Lewisia congdonii Congdon's lewisia
• rare native
Perennial herb 
2018 Steve Matson
Geoff Burleigh
2015 BOB CASE
|
|
Lewisia cotyledon var. heckneri Heckner's lewisia
• rare native
Perennial herb 
2022 Steve Laymon
2023 Alaine Arslan
2023 Alaine Arslan
|
|
Lewisia kelloggii ssp. hutchisonii Sierra valley lewisia
• rare native
Perennial herb 
2020 Hannah Kang
2019 Matt Berger
2020 Hannah Kang
|
|
Lewisia kelloggii ssp. kelloggii Kellogg's lewisia
• rare native
Perennial herb 
2017 Robert Barnard
2009 Barry Breckling
2009 Barry Breckling
|
|
Lewisia oppositifolia Opposite leaved lewisia, Oppositeleaf lewisia
• rare native
Perennial herb 
2011 John Doyen
2011 John Doyen
2011 John Doyen
|
|
Lewisia serrata Saw toothed lewisia, Sawtooth lewisia
• rare native
Perennial herb 
2022 Camille Nowell
2022 Camille Nowell
2015 John Doyen
|
|
Lewisia stebbinsii Stebbins' lewisia, Stebbins's lewisia
• rare native
Perennial herb 
2020 Dee Shea Himes
2015 John Doyen
2017 Adam Chasey
|
|
Lilium maritimum Coast lily
• rare native
Perennial herb (bulb) 
2022 Hunter Breck
2019 R.A. Chasey
2022 Mary Sue Ittner
|
|
Lilium occidentale Western lily
• rare native
Perennial herb (bulb) 
2020 Jeff Bisbee
2020 Jeff Bisbee
2020 Jeff Bisbee
|
|
Lilium rubescens Chaparral lily, Redwood lily
• rare native
Perennial herb (bulb) 
2022 Mary Ann Machi
2022 Mary Ann Machi
2019 george jackson
|
|
Limnanthes bakeri Baker's meadowfoam
• rare native
Annual herb 
2020 Ross Wilming
2018 Ross Wilming
2018 Ross Wilming
|
|
Limnanthes floccosa ssp. bellingeriana Bellinger's meadowfoam, Woolly meadowfoam
• rare native
Annual herb  2013 Scot Loring
 1988 Dean Wm. Taylor
|
|
Limnanthes floccosa ssp. floccosa Woolly meadowfoam
• rare native
Annual herb 
2021 David popp
2021 Donald Burk
2023 Donald Burk
|
|
Lomatium martindalei Cascade desertparsley, Coast range lomatium
• rare native
Perennial herb  2015 John Doyen
 2010 Keir Morse
 2007 Matt Below
|
|
Lomatium peckianum Peck's desertparsley, Peck's lomatium
• rare native
Perennial herb 
2021 Amy Rachkowski
2021 Amy Rachkowski
2011 Steve Matson
|
|
Lupinus antoninus Anthony peak lupine
• rare native
Perennial herb  2018 John Doyen
 2018 John Doyen
 Rick York and CNPS
|
|
Lupinus constancei Lassics lupine
• rare native
Perennial herb 
2021 Dee Shea Himes
Amelia Ryan
2008 Jennifer L. Kalt
|
|
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 elmeri Elmer's lupine
• rare native
Perennial herb  2010 Sangeet Khalsa
 2010 Sangeet Khalsa
 2017 Belinda Lo
|
|
Lupinus lepidus var. ashlandensis Pacific lupine, Tidy lupine
native
Perennial herb 
2016 Diane Etchison
2010 Ann Dalkey
2010 Ann Dalkey
|
|
Lupinus sericatus Cobb Mountain lupine
• rare native
Perennial herb 
2015 Mitchell Bamford
2015 Mitchell Bamford
2020 Tim Miller
|
|
Lycopodiella inundata Bog club moss, Inundated clubmoss
• rare native
2015 Greg O'Connell
1995 Saint Mary's College of California
2012 Phil Pullen
|
|
Lycopodium clavatum Running clubmoss, Running pine
• rare native
2020 Wyatt Dooley
2018 Jonathan Lee
2021 Gabe Cashman
|
|
Trientalis europaea Arctic starflower
• rare native
Perennial herb  2017 Barry Rice
 2014 Wynn Anderson
 2014 Wynn Anderson
|
|
Lysimachia thyrsiflora Tufted loosestrife, Tufted yellow loosestrife
• rare native
Perennial herb  2016 Keir Morse
 2011 Sierra Pacific Industries
 2016 Keir Morse
|
|
Mertensia bella Beautiful bluebells, Oregon lungwort
• rare native
Perennial herb 
2008 Gerald Carr
2008 Gerald Carr
2008 Gerald Carr
|
|
Microseris borealis Apargidium, Bog microseris, Northern microseris
• rare native
Perennial herb  Gerald and Buff Corsi 2013 California Academy of Sciences
 2014 Wynn Anderson
 2014 Wynn Anderson
|
|
Microseris laciniata ssp. detlingii Detling's silverpuffs
• rare native
Perennial herb 
2018 Scot Loring
2022 Joe Broberg
2018 Scot Loring
|
|
Microseris paludosa Marsh scorzonella, Marsh silverpuffs
• rare native
Perennial herb 
2023 R.A. Chasey
2022 Irene Rosen
2023 Mary Conway
|
|
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
|
|
Mitellastra caulescens Leafy-stemmed mitrewort
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Moneses uniflora Oneflower wintergreen, Single delight, Woodnymph
• rare native
Perennial herb 
2018 Jonathan Lee
2011 Louis-M. Landry
2015 Dana York
|
|
Monolopia gracilens Woodland monolopia
• rare native
Annual herb 
2015 Al Keuter
2023 R.A. Chasey
2019 Ken Hickman
|
|
Monotropa uniflora Ghost pipe
• rare native
Perennial herb (mycoparasitic) 
2022 Mary Ann Machi
2019 Jonathan Lee
2022 Mary Ann Machi
|
|
Montia howellii Howell's minerslettuce, Howell's montia
• rare native
Annual herb 
2019 Jonathan Lee
2014 Sierra Pacific Industries
2019 Gabe Cashman
|
|
Muhlenbergia jonesii Jones' muhly, Modoc muhly
• rare native
Perennial grass 
2023 Matt Berger
2011 Steve Matson
2023 Matt Berger
|
|
Navarretia leucocephala ssp. bakeri Baker's navarretia
• rare native
Annual herb 
2019 Hunter Breck
2020 Tim Miller
2019 Hunter Breck
|
|
Navarretia leucocephala ssp. pauciflora Few flowered navarretia, Fewflower navarretia
• rare native
Annual herb  2008 Steve Matson
 2008 Steve Matson
 2013 Jake Ruygt
|
|
Navarretia leucocephala ssp. plieantha Many flowered navarretia, Manyflowered navarretia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Navarretia myersii ssp. deminuta Myer's navarretia, Myers' pincushionplant
• rare native
Annual herb  2020 Leigh Johnson
 2020 Leigh Johnson
 2020 Leigh Johnson
|
|
Navarretia myersii ssp. myersii Myers' pincushionplant
• rare native
Annual herb  2018 Doreen L. Smith
 2005 Russell Huddleston
 2003 Yulan Tong
|
|
Navarretia nigelliformis ssp. radians Adobe navarretia, Shining navarretia
• rare native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Nemophila breviflora Basin nemophila, Great basin nemophila
• rare native
Annual herb  2011 RT Hawke
 2011 RT Hawke
|
|
Neostapfia colusana Colusa grass, Colusagrass
• rare native
Annual grass  2009 Doug Wirtz
 2012 Aaron E. Sims
|
|
Neviusia cliftonii Shasta snow wreath
• rare native
Shrub 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Noccaea fendleri ssp. californica Kneeland prairie pennycress
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Oenothera wolfii Wolf's evening primrose
• rare native
Perennial herb 
2021 Scott Yarger
2001 Lindsay Herrera
1995 Saint Mary's College of California
|
|
Ophioglossum pusillum Northern adder's tongue, Northern adderstongue
• rare native
Fern (rhizomatous) 
2019 Matt Berger
2009 Dr. Amadej Trnkoczy
2021 Scot Loring
|
|
Opuntia fragilis Brittle prickly pear, Brittle pricklypear, Pigmy tuna
• rare native
Shrub (stem succulent) 
2014 Robert L. Carr
2014 Robert L. Carr
2014 Robert L. Carr
|
|
Orcuttia pilosa Hairy orcutt grass
• rare native
Annual grass  2003 George W. Hartwell
 2011 Steve Matson
 2003 George W. Hartwell
|
|
Orcuttia tenuis Slender orcutt grass
• rare native
Annual grass 
2020 Steve Laymon
2008 F. Gauna
2005 George W. Hartwell
|
|
Oreostemma elatum Plumas alpine aster
• rare native
Perennial herb 
2012 David popp
2018 Sierra Pacific Industries
2006 Dean Wm. Taylor, Ph.D.
|
|
Orthocarpus pachystachyus Shasta orthocarpus, Shasta owl's clover
• rare native
Annual herb 
2020 Dean Taylor
2020 Dean Taylor
1996 Dean Wm. Taylor
|
|
Orthotrichum holzingeri Holzinger's orthotrichum moss
• rare native
Moss  2014 calbryos group
 2015 calbryos group
 © 2013 calbryos group
|
|
Packera bolanderi var. bolanderi Bolander's ragwort, Seacoast ragwort
• rare native
Perennial herb 
2009 Gerald Carr
2009 Gerald Carr
2009 Gerald Carr
|
|
Packera hesperia Western ragwort
• rare native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Packera indecora Elegant groundsel, Rayless mountain ragwort
• rare native
Perennial herb  2013 Kirsten Bovee
 2013 Kirsten Bovee
 2013 Kirsten Bovee
|
|
Panicum acuminatum var. thermale Geysers panicum
• rare native
Perennial grass 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Parnassia cirrata var. intermedia Cascade grass of parnassus
• rare native
Perennial herb 
2018 joaquin hale
2023 Jim Xerogeanes
2023 Jim Xerogeanes
|
|
Paronychia ahartii Ahart's nailwort, Ahart's paronychia
• rare native
Annual herb 
2023 Donald Burk
2023 Donald Burk
2023 Donald Burk
|
|
Pedicularis howellii Howell's lousewort
• rare native
Perennial herb 
2019 Matt Berger
2015 John Doyen
2012 Dana York
|
|
Peltigera gowardii Western waterfan lichen
• rare native
Lichen  2014 Eric B. Peterson
 2018 Julie Kierstead Nelson
|
|
Penstemon barnebyi Barneby's beardtongue, White river valley beardtongue
• rare native
Perennial herb  2006 James M. Andre
 2006 James M. Andre
|
|
Penstemon filiformis Thread leaved beardtongue, Threadleaf beardtongue
• rare native
Perennial herb 
2015 Steve Matson
2019 Julie Kierstead Nelson
2015 Steve Matson
|
|
Penstemon heterodoxus var. shastensis Shasta beardtongue
• rare native
Perennial herb  2014 Sierra Pacific Industries
 2016 John Doyen
 2009 Sierra Pacific Industries
|
|
Penstemon newberryi var. sonomensis Sonoma beardtongue
• rare native
Perennial herb 
2020 Tim Miller
2020 Tim Miller
2018 Jennifer Riddell
|
|
Penstemon tracyi Tracy's beardtongue, Trinity penstemon
• rare native
Perennial herb 
2019 John Game
2020 Christian Schwarz
2020 Christian Schwarz
|
|
Pentachaeta fragilis Fragile pygmy daisy, Fragile pygmydaisy
• rare native
Annual herb 
2020 Matt Berger
2017 Neal Kramer
2017 Neal Kramer
|
|
Perideridia leptocarpa Narrow seeded yampah, Narrowseed yampah
• rare native
Perennial herb  2013 Steve Matson
 2015 Dana York
 2015 Dana York
|
|
Phacelia argentea Sand dune phacelia, Sanddune phacelia
• rare native
Perennial herb  2012 Genevieve K. Walden
Using these photos: A variety of organization
 2009 Genevieve K. Walden
 2008 Genevieve K. Walden
|
|
Phacelia cookei Cooke's phacelia
• rare native
Annual herb 
2020 Steve Laymon
2022 Steve Matson
2022 Julie A. Kierstead
|
|
Phacelia greenei Scott valley phacelia
• rare native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Phacelia insularis var. continentis North coast phacelia
• rare native
Annual herb 
2022 R.A. Chasey
2023 Scott Yarger
2022 R.A. Chasey
|
|
Phacelia inundata Playa phacelia, Playa yellow phacelia
• rare native
Annual herb  2008 F. Gauna
 2008 F. Gauna
|
|
Phacelia leonis Siskiyou phacelia
• rare native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Phacelia sericea var. ciliosa Blue alpine phacelia
• rare native
Perennial herb 
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
2019 Julie Kierstead Nelson
|
|
Phacelia stebbinsii Stebbins' phacelia, Stebbins's phacelia
• rare native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Phlox hirsuta Hairy phlox, Yreka phlox
• rare native
Perennial herb 
2024 Bob Mason
2022 Julie A. Kierstead
2019 Barbara Peck
|
|
Phlox muscoides Moss phlox
• rare native
Perennial herb  2013 Justy Leppert
 2002 California Native Plant Society
|
|
Picea engelmannii Engelmann spruce
• rare native
Tree  2000 John Game
 2004 Robert Sivinski
 2003 Joseph Dougherty/ecology.org
|
|
Pinguicula macroceras California butterwort
• rare native
Perennial herb (carnivorous) 
2017 John Game
2017 Steve Matson
2018 John Game
|
|
Pinus albicaulis Alpine white pine, Dwarf pine, Whitebark pine
native
Tree 
2006 Keir Morse
2022 Dana York
2021 Mike Russler
|
|
Pinus contorta ssp. bolanderi Bolander pine, Bolander's beach pine
• rare native
Tree 
2019 Susan McDougall
2019 Susan McDougall
2022 R.A. Chasey
|
|
Piperia candida White flowered rein orchid, Whiteflower rein orchid
• rare native
Perennial herb 
2019 Peter Warner
2012 Raymond Prothero
2019 Peter Warner
|
|
Plagiobothrys lithocaryus Mayacamas popcorn flower, Mayacamas popcornflower
• rare native
Annual herb  2011 Steve Matson
 2011 Steve Matson
|
|
Pleuropogon hooverianus North coast semaphore grass, North coast semaphoregrass
• rare native
Perennial grass (rhizomatous) 
2022 Emily R. Allen
2020 Hannah Kang
2020 Hannah Kang
|
|
Poa rhizomata Rhizome bluegrass, Timber blue grass
• rare native
Perennial grass (rhizomatous)  2018 Dana York
 2018 Dana York
 2018 Dana York
|
|
Poa sierrae Sierra blue grass, Sierra bluegrass
• rare native
Perennial grass 
2019 Matt Berger
2017 Belinda Lo
2019 Matt Berger
|
|
Polemonium carneum Great polemonium, Royal jacob's ladder, Royal sky pilot
• rare native
Perennial herb 
2021 Amy Rachkowski
2000 Dianne Fristrom
2017 Steve Matson
|
|
Polemonium eddyense Mt. Eddy sky pilot
• rare native
Perennial herb 
2020 Dana York
2011 Steve Matson
2019 Chasey
|
|
Polemonium pulcherrimum var. shastense Mt. shasta sky pilot
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2005 Cheryl Beyer
|
|
Polygonum polygaloides ssp. esotericum Modoc county knotweed, Whitemargin knotweed
• rare native
Annual herb 
2023 Donald Burk
2023 Donald Burk
2023 Donald Burk
|
|
Potamogeton epihydrus Ribbonleaf pondweed
• rare native
Perennial herb (rhizomatous) 
2020 Maisie Borg
2020 Maisie Borg
2010 Louis-M. Landry
|
|
Potamogeton praelongus White stemmed pondweed, Whitestem pondweed
• rare native
Perennial herb (rhizomatous) 
2022 Bas Kers
2022 Cynthia Powell
2019 Cynthia Powell
|
|
Potamogeton robbinsii Robbins' pondweed, Robbins's pondweed
• rare native
Perennial herb (rhizomatous) 
2014 Dana York
2023 Dana York
2023 Dana York
|
|
Potamogeton zosteriformis Eel grass pondweed, Flatstem pondweed
• rare native
Annual herb (aquatic) 
2009 Gerald Carr
2009 Gerald Carr
2009 Gerald Carr
|
|
Potentilla cristae Crested cinquefoil, Crested potentilla
• rare native
Perennial herb 
2011 Steve Matson
2018 Julie Kierstead Nelson
2011 Steve Matson
|
|
Potentilla newberryi Newberry's cinquefoil
• rare native
Perennial herb 
2022 Steve Ashcraft
2022 Steve Ashcraft
2021 Bob Sweatt
|
|
Prosartes parvifolia Siskiyou bells
• rare native
Perennial herb  2010 Ray Collett
 2010 Ray Collett
 2010 Ray Collett
|
|
Ptilidium californicum Pacific fuzz wort
• rare native
Liverwort  2012 Martin J. Lenz
 2013 Scot Loring
|
|
Puccinellia howellii Howell's alkali grass, Howell's alkaligrass
• rare native
Perennial grass 
2022 Matt Berger
2022 Matt Berger
2019 Matt Berger
|
|
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
|
|
Raillardella pringlei Showy raillardella
• rare native
Perennial herb (rhizomatous) 
2020 David Greenberger
2019 Steve Matson
2019 John Game
|
|
Ramalina thrausta Angel's hair lichen
• rare native
Lichen 
2021 Heather Morrison
2021 Heather Morrison
2018 Scot Loring
|
|
Rhynchospora alba White beaked rush, White beaksedge
• rare native
Perennial grasslike herb (rhizomatous) 
2006 Steve Matson
2019 SPI Botany
2006 Steve Matson
|
|
Rhynchospora capitellata Brownish beaksedge, Capitate beaked rush
• rare native
Perennial grasslike herb  2004 Dean Wm. Taylor
 2010 Aaron Arthur
|
|
Rorippa columbiae Columbia yellow cress, Columbian yellowcress
• rare native
Perennial herb (rhizomatous) 
2021 Donald Burk
2021 Donald Burk
2021 Donald Burk
|
|
Rubus nivalis Snow bramble, Snow dwarf bramble, Snow raspberry
• rare native
Vine 
2023 Amy Rachkowski
2015 Chris Wagner
2015 Chris Wagner
|
|
Rupertia hallii Hall's california tea, Hall's rupertia
• rare native
Perennial herb 
2021 David popp
2021 David popp
2018 Sierra Pacific Industries
|
|
Sabulina howellii Howell's sandwort
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2008 Nathan Bello
|
|
Sagittaria sanfordii Sanford's arrowhead, Valley arrowhead
• rare native
Perennial herb (rhizomatous) 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Salix bebbiana Bebb willow, Gray willow
• rare native
Tree  2008 Louis-M. Landry
 2008 Robert Sivinski
 2008 Louis-M. Landry
|
|
Sanguisorba officinalis Great burnet, Official burnet
• rare native
Perennial herb (rhizomatous)  2008 Keir Morse
 2008 Keir Morse
 2013 Asa Spade
|
|
Sanicula tracyi Tracy's blacksnakeroot, Tracy's sanicle
• rare native
Perennial herb 
2019 Gabe Cashman
2007 Dean Wm. Taylor, Ph.D.
2014 Zoya Akulova
|
|
Saussurea americana American saw wort
• rare native
Perennial herb  2003 Norman Jensen
 2019 Matt C. Berger
 2010 Norman Jensen
|
|
Saxifraga cespitosa Tufted saxifrage
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Saxifraga rufidula Rusty saxifrage, Rustyhair saxifrage
native
Perennial herb (rhizomatous) 
2007 Gerald D. Carr
2007 Gerald D. Carr
2007 Gerald D. Carr
|
|
Scheuchzeria palustris Rannoch rush
• rare native
Perennial herb (rhizomatous) 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Schoenoplectus heterochaetus Slender bulrush
• rare native
Perennial grasslike herb (rhizomatous) 
2023 Matt Berger
2023 Matt Berger
2023 Matt Berger
|
|
Schoenoplectus subterminalis Swaying bulrush
• rare native
Perennial grasslike herb (rhizomatous) 
2014 David popp
2013 Sierra Pacific Industries
1996 Dean Wm. Taylor
|
|
Scirpus pendulus Drooping bulrush, Rufous bulrush
• rare native
Perennial grasslike herb 
2007 Keir Morse
2007 Keir Morse
2007 Keir Morse
|
|
Scutellaria galericulata Marsh skullcap
• rare native
Perennial herb (rhizomatous) 
2006 Steve Matson
2021 Scott Yarger
2006 Steve Matson
|
|
Sedella leiocarpa Lake county stonecrop
• rare native
Annual herb  2008 Cherilyn Burton
 2008 Cherilyn Burton
|
|
Sedum citrinum Blue creek stonecrop
• rare native
Perennial herb 
2019 Jonathan Lee
2019 Jonathan Lee
2014 Peter Zika
|
|
Sedum divergens Cascade stonecrop, Pacific stonecrop
• rare native
Perennial herb 
2019 Zoya Akulova
2007 Matt Below
2007 Matt Below
|
|
Sedum laxum ssp. 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. flavidum Rose flowered stonecrop, Roseflower stonecrop
native
Perennial herb 
2021 Steve Conger
2021 Steve Conger
2021 Steve Conger
|
|
Sedum oblanceolatum Applegate stonecrop, Oblongleaf stonecrop
• rare native
Perennial herb 
2023 Julie A. Kierstead
2023 Julie A. Kierstead
2023 Julie A. Kierstead
|
|
Shepherdia canadensis Russet buffaloberry
• rare native
Tree, Shrub 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Sidalcea calycosa ssp. rhizomata Point reyes checkerbloom, Pt. reyes checkerbloom, Pt. reyes sidalcea
• rare native
Perennial herb (rhizomatous) 
2023 Suzanne L. Weakley
2022 Julia Larke
2024 Christine Pechal
|
|
Sidalcea gigantea Giant checkerbloom
• rare native
Perennial herb 
2017 Dan Lubin
2019 Julie A. Kierstead
2019 Julie A. Kierstead
|
|
Sidalcea keckii Keck's checkerbloom
• rare native
Annual herb 
2023 Charles E Peck
2021 Charles Russell
2021 Charles Russell
|
|
Sidalcea malachroides Maple leaved checkerbloom, Mapleleaf checkerbloom
• rare native
Perennial herb 
2016 Hayley Ross
2022 Jonathan Lee
2023 Constance McCoy
|
|
Sidalcea malviflora ssp. patula Siskiyou checkerbloom
• rare native
Perennial herb (rhizomatous) 
2023 Claire Brown
2019 Tristan K Cole
2023 Claire Brown
|
|
Sidalcea malviflora ssp. purpurea Dwarf checkerbloom, Purple checkerbloom
• rare native
Perennial herb (rhizomatous) 
2021 Mary Sue Ittner
2017 Mary Sue Ittner
2023 Austin keene
|
|
Sidalcea oregana ssp. eximia Coast checkerbloom
• rare native
Perennial herb 
2015 Adam Canter
2022 Macy Budesilich
2022 Macy Budesilich
|
|
Sidalcea oregana ssp. hydrophila Marsh checkerbloom, Oregon checkerbloom
• rare native
Perennial herb  2005 Jennifer L. Kalt
|
|
Silene campanulata ssp. campanulata Red mountain catchfly, Red mtn. catchfly
• rare native
Perennial herb 
2019 John Game
2015 Cherilyn Burton
2015 Cherilyn Burton
|
|
Silene marmorensis Marble mountain catchfly, Marble mtn. campion
• rare native
Perennial herb 
2022 Dana York
2021 Dana York
2021 Dana York
|
|
Silene occidentalis ssp. longistipitata Western campion, Western catchfly
• rare native
Perennial herb  2005 Dean Wm. Taylor
 2013 Kirsten Bovee
 2018 Sierra Pacific Industries
|
|
Silene salmonacea Klamath mountain catchfly
• rare native
Perennial herb 
2021 Jamie Spielmann
2022 joaquin hale
2021 Jamie Spielmann
|
|
Silene serpentinicola Serpentine catchfly
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Silene suksdorfii Cascade alpine campion, Cascade alpine catchfly, Suksdorf's silene
• rare native
Perennial herb 
2019 David Greenberger
2023 Jamie Spielmann
2019 David Greenberger
|
|
Sisyrinchium hitchcockii Hitchcock's blue eyed grass
• rare native
Perennial herb (rhizomatous) 
2021 Dana York
2021 Dana York
|
|
Smelowskia ovalis Alpine false candytuft
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Smilax jamesii English peak greenbriar, English peak greenbrier
• rare native
Perennial herb (rhizomatous) 
2018 Julie Kierstead Nelson
2015 Steve Matson
2015 Steve Matson
|
|
Stachys pilosa Prairie woundwort
• rare native
Perennial herb 
2013 Bob Case
2013 Bob Case
2009 Mary Winter
|
|
Stellaria longifolia Long leaved starwort, Longleaf starwort
• rare native
Perennial herb (rhizomatous)  2009 Sierra Pacific Industries
 2009 Sierra Pacific Industries
 2009 Sierra Pacific Industries
|
|
Stellaria obtusa Obtuse starwort, Rocky mountain chickweed
• rare native
Perennial herb (rhizomatous) 
2020 Susan McDougall
2004 Dean Wm. Taylor
2014 Kirsten Bovee
|
|
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 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 longisiliquus Long-fruit jewel-flower
• rare native
Perennial herb 
2019 David popp
2019 David popp
2007 George W. Hartwell
|
|
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. kruckebergii Kruckeberg's jewel flower, Krukeberg's jewelflower
• rare native
Perennial herb  1998 Dean Wm. Taylor
 1998 John Game
|
|
Streptanthus oblanceolatus Trinity river jewel-flower
• rare native
Perennial herb 
2009 Dana York
2023 Mary Ann Machi
2023 Morgan Stickrod
|
|
Streptanthus vernalis Early jewel-flower
• rare native
Annual herb 
2019 Joey Santore
2019 Joey Santore
2019 Joey Santore
|
|
Stuckenia filiformis ssp. alpina Fineleaf pondweed
• rare native
Perennial herb 
2016 Robert L. Carr
2016 Robert L. Carr
2016 Robert L. Carr
|
|
Tauschia howellii Howell's tauschia, Howell's umbrellawort
• rare native
Perennial herb 
2020 Mary Patterson
2020 Mary Patterson
2011 Amanda Shufelberger
|
|
Thelypodium brachycarpum Short podded thelypodium, Shortpod thelypody
• rare native
Perennial herb 
2020 R.A. Chasey
2019 Matt Berger
2020 Joey Santore
|
|
Thelypodium howellii ssp. howellii Howell's thelypodium, Howell's thelypody
• rare native
Perennial herb  1990 Dean Wm. Taylor
|
|
Thermopsis gracilis Slender goldenbanner
• rare native
Perennial herb (rhizomatous) 
2020 Susan McDougall
2019 Belinda Lo
2019 Belinda Lo
|
|
Thermopsis robusta Robust false lupine, Showy goldenbanner
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2023 Dana York
2018 Hayley Ross
|
|
Tonestus lyallii Lyall's goldenweed, Lyall's tonestus
• rare native
Perennial herb (rhizomatous) 
2022 Dana York
2022 Dana York
2022 Dana York
|
|
Tracyina rostrata Beaked tracyina, Indian headdress
• rare native
Annual herb 
2018 John Game
2019 John Game
2019 John Game
|
|
Trichostema ruygtii Napa bluecurls
• rare native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Trifolium buckwestiorum Santa cruz clover
• rare native
Annual herb  2011 Dylan Neubauer
 1997 Doreen L. Smith
|
|
Trillium ovatum ssp. oettingeri Salmon Mountains Wakerobin
• rare native
Perennial herb 
2021 Dana York
2022 Jamie Spielmann
2017 Michael Kauffmann
|
|
Triquetrella californica California triquetrella moss
• rare native
Moss  2004 John Game
 2017 Neal Kramer
 2017 Neal Kramer
|
|
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 grandiflora Largeflower triteleia
• rare native
Perennial herb 
2023 Amy Rachkowski
2023 Amy Rachkowski
2023 Amy Rachkowski
|
|
Triteleia hendersonii Henderson's triteleia
• rare native
Perennial herb (bulb) 
2023 Amy Rachkowski
2023 Amy Rachkowski
2000 Dianne Fristrom
|
|
Tropidocarpum capparideum Caper fruited tropidocarpum, Caperfruit tropidocarpum
• rare native
Annual herb  2002 Dieter Wilken
 2004 Laura Ann Eliassen
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Tuctoria greenei Awnless spiralgrass, Greene's tuctoria
• rare native
Annual grass 
2023 Justin Chappelle
2023 Justin Chappelle
2008 Heather Davis
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Usnea longissima Methuselah's beard lichen
• rare native
Lichen 
2021 Chris Brant
2017 Asa B Spade
2018 Scot Loring
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Vaccinium scoparium Grouse whortleberry, Little leaf huckleberry
• rare native
Shrub 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
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Vaccinium shastense ssp. shastense Shasta huckleberry
• rare native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
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Veronica copelandii Copeland's speedwell
• rare native
Perennial herb 
2014 Steve Matson
2019 Julie Kierstead Nelson
2019 Dana York
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Viburnum ellipticum Common viburnum, Viburnum
• rare native
Shrub 
2021 R.A. Chasey
2021 R.A. Chasey
2020 Julie A. Kierstead
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Viola langsdorffii Aleutian violet
• rare native
Perennial herb 
2018 John Game
2018 John Game
2022 Dana York
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Viola palustris Marsh violet
• rare native
Perennial herb (rhizomatous) 
2020 Christopher Collier
2017 Steve Matson
2017 Steve Matson
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Viola primulifolia ssp. occidentalis Western bog violet
• rare native
Perennial herb (rhizomatous) 
2018 John Game
2017 Steve Matson
2023 Dana York
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Wolffia brasiliensis Brazilian watermeal, South American water meal
• rare native
Perennial herb 
2022 Donald Burk
2022 Donald Burk
2022 David popp
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