Redwood National Park plant list from NPS IRM Humboldt County |
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| (2018-03-26) |
| 1096 PLANTS |
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Abelia Xgrandiflora Glossy abelia
non-native
Perennial herb  2008 Forest & Kim Starr
 2008 Forest & Kim Starr
|
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Abronia latifolia Coastal sand verbena, Sand verbena, Yellow sand verbena
native
Perennial herb  2014 James Gonsman
 2022 R.A. Chasey
 2020 David Krause
|
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Abronia umbellata Beach sand verbena, Pink sand verbena, Purple sand verbena
native
Perennial herb  2021 Meghan Lindt
 2018 Ken Hickman
 2019 Kaleb Goff
|
|
Abronia umbellata var. breviflora Pink sand-verbena
• rare native
Perennial herb  2013 Asa Spade
 2019 Lenihan Mazur
 2019 Lenihan Mazur
|
|
Acacia dealbata Silver wattle
• invasive non-native
Tree, Shrub  2008 Neal Kramer
 2004 Steve Matson
 2010 Neal Kramer
|
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Acacia mearnsii Black wattle
non-native
Tree, Shrub  2015 Ron Vanderhoff
 2017 Zoya Akulova
 2019 Ron Vanderhoff
|
|
Acer circinatum Vine maple
native
Tree, Shrub  2013 James Gonsman
 2018 Kyle Johnson
 2021 Julie A. Kierstead
|
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Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree  2020 Diane Etchison
 2018 Ron Vanderhoff
 2018 Julie Kierstead Nelson
|
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Achillea millefolium Common yarrow
native
Perennial herb  2020 Bob Sweatt
 2014 James Gonsman
 2018 Gary McDonald
|
|
Achlys triphylla Sweet after death
native
Perennial herb  2020 Steve Conger
 2011 Ryan Batten
 2007 Shawn DeCew
|
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Achlys triphylla ssp. tryphylla Sweet after death
native
Perennial herb 2020 Steve Conger
2011 Ryan Batten
2007 Shawn DeCew
|
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Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
|
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Acmispon parviflorus Hill lotus
native
Annual herb  2019 Ron Vanderhoff
 2017 MCOSD EDRR
 2008 Keir Morse
|
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Actaea rubra Red baneberry, Western baneberry
native
Perennial herb  2020 Bob Sweatt
 2016 Cindy Roessler
 2013 BOB CASE
|
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Adenocaulon bicolor American trailplant, Trail plant
native
Perennial herb  2020 Bob Sweatt
 2020 Cynthia Powell
 2018 Julie Kierstead Nelson
|
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Adiantum aleuticum Five finger fern
native
Fern  2018 Neal Kramer
 2008 Rodney W. Lacey
 2014 James Gonsman
|
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Adiantum pedatum Five finger fern
native
Fern 2018 Neal Kramer
2008 Rodney W. Lacey
2014 James Gonsman
|
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Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot
native
Perennial herb  2016 mark kircher
 2003 Christopher L. Christie
 2019 Bob Sweatt
|
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Agoseris apargioides var. eastwoodiae Beach dandelion, Eastwood's seaside agoseris, Woolly goat chicory
native
Perennial herb  2017 James Gonsman
 2017 Adam Chasey
 2017 John Doyen
|
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Agoseris grandiflora Bigflower agoseris, California dandelion, Giant mountain dandelion
native
Perennial herb  2021 Amber Bedgood
 2021 Cynthia Powell
 2020 Diane Etchison
|
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Agrostis alba Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass  2011 Barry Breckling
 2011 Barry Breckling
 2005 Steve Matson
|
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Agrostis capillaris Colonial bentgrass
non-native
Perennial grass  2009 Zoya Akulova
 2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass  2008 Keir Morse
 2009 Zoya Akulova
 2008 Keir Morse
|
|
Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass 2011 Barry Breckling
2011 Barry Breckling
2005 Steve Matson
|
|
Agrostis hallii Hall redtop, Hall's bent grass, Hall's bentgrass
native
Perennial grass  2021 John Rawlings
 2021 John Rawlings
 2005 Steve Matson
|
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Agrostis hallii var. hallii Hall redtop, Hall's bent grass, Hall's bentgrass
native
Perennial grass 2021 John Rawlings
2021 John Rawlings
2005 Steve Matson
|
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Agrostis idahoensis Colonial bentgrass, Idaho bentgrass
native
Perennial grass  2005 Steve Matson
 2016 Keir Morse
 2005 Michael Charters
|
|
Agrostis microphylla Little leaf bentgrass, Small leaf bentgrass, Small leaved bentgrass
native
Annual grass  1998 Dean Wm. Taylor
 2005 Steve Matson
 2005 Steve Matson
|
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Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Rachelle Gray
|
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Agrostis tenuis var. aristata Colonial bentgrass
non-native
Perennial grass 2009 Zoya Akulova
2005 Steve Matson
2005 Steve Matson
|
|
Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2020 Matt Berger
 2017 Gary McDonald
 2005 Steve Matson
|
|
Aira praecox Yellow hairgrass
• invasive non-native
Annual grass  2010 National Park Service
 2018 Ken Hickman
 2009 Zoya Akulova
|
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Allium falcifolium Scytheleaf onion, Sickle leaf onion
native
Perennial herb (bulb)  2011 Chris Mo
 2018 Margarita Orlova
 2011 Chris Mo
|
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Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion
• invasive non-native
Perennial herb (bulb)  2019 Adam Chasey
 2018 Ken Lunders
 2019 Randy Huey
|
|
Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick
native
Perennial herb (mycoparasitic)  2020 Bob Sweatt
 2018 Wendy Smit
 2006 Steve Matson
|
|
Alnus rubra Oregon alder, Red alder
native
Tree, Shrub  2007 Neal Kramer
 2016 Susan McDougall
 2016 Zoya Akulova
|
|
Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail
native
Perennial grass  2003 Steve Matson
 2008 Keir Morse
 2008 Keir Morse
|
|
Alopecurus geniculatus Marsh foxtail, Water foxtail
native
Perennial grass  2013 Robert Sikora
 2009 Trent M. Draper
 2013 Robert Sikora
|
|
Amaryllis belladonna Belladonna lily
non-native
Perennial herb  2003 Charles E. Jones
 2008 Neal Kramer
 2022 Ron Vanderhoff
|
|
Ambrosia chamissonis Beach bur, Silver beachweed
native
Perennial herb  2016 John Doyen
 2018 Andy Jones
 2018 Richard Spjut
|
|
Amelanchier alnifolia Saskatoon serviceberry, Service berry
native
Shrub  2020 Robert Katz
 2020 Bob Sweatt
 2018 Dee Shea Himes
|
|
Amelanchier alnifolia var. semiintegrifolia Pacific serviceberry, Service berry
native
Shrub  2014 John Doyen
 2021 Steve Conger
 2021 Alison Gardner
|
|
Amelanchier pallida Pale serviceberry, Pallid serviceberry, Sarvis
native
Shrub  2009 Gary A. Monroe
 2010 Margo Bors
 2009 Gary A. Monroe
|
|
Amelanchier utahensis Pale leaved serviceberry, Service berry, Utah service berry
native
Shrub  1990 Arthur H. Bazell, M.D.
 2006 Steve Matson
 2002 Larry Blakely
|
|
Ammophila arenaria Beachgrass, European beach grass, European beachgrass
• invasive non-native
Perennial grass  2009 Neal Kramer
 2015 Zoya Akulova
 2014 Trent M. Draper
|
|
Amsinckia intermedia Common fiddleneck
native
Annual herb  2020 Matt Berger
 1982 Geoff Burleigh
 2019 Ron Vanderhoff
|
|
Amsinckia lycopsoides Bugloss fiddleneck, Tarweed fiddleneck
native
Annual herb  2011 Jorg & Mimi Fleige
 2014 Mike Wood
 2022 Catherine Chang
|
|
Amsinckia menziesii var. intermedia Common fiddleneck
native
Annual herb 2020 Matt Berger
1982 Geoff Burleigh
2019 Ron Vanderhoff
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2019 Barbara Boethling
 2022 Chris McDonald
|
|
Anaphalis margaritacea Pearly everlasting
native
Perennial herb  2020 Bob Sweatt
 2021 Ken Lunders
 2014 James Gonsman
|
|
Anemone deltoidea Columbian windflower
native
Perennial herb  2006 David McClurg
 2011 Steve Matson
 2012 Gary A. Monroe
|
|
Anemone oregana Blue windflower, Oregon anemone, Western wood anenome
native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2019 Cynthia Powell
|
|
Anemone oregana var. oregana Blue windflower
native
Perennial herb  2008 Gerald Carr
 2008 Gerald Carr
 2014 John Doyen
|
|
Angelica genuflexa Kneeling angelica
native
Perennial herb  2009 Gerald Carr
 2009 Gerald Carr
 2009 Gerald Carr
|
|
Angelica hendersonii Coast angelica, Henderson's angelica
native
Perennial herb  2020 Suzanne L. Weakley
 2013 Toni Corelli
 2018 Abbot Chambers
|
|
Angelica tomentosa Woolly angelica
native
Perennial herb  2004 Doreen L. Smith
 2017 MCOSD EDRR
 2017 MCOSD EDRR
|
|
Angelica tomentosa var. hendersonii Coast angelica, Henderson's angelica
native
Perennial herb 2020 Suzanne L. Weakley
2013 Toni Corelli
2018 Abbot Chambers
|
|
Angelica tomentosa var. tomentosa Woolly angelica
native
Perennial herb 2004 Doreen L. Smith
2017 MCOSD EDRR
2017 MCOSD EDRR
|
|
Anisocarpus madioides Woodland madia
native
Perennial herb  2013 James Gonsman
 2018 Rebecca Schoenenberger
 2021 Ken Lunders
|
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb  2007 Neal Kramer
 2019 Dave Beller
 2017 Diane Etchison
|
|
Anthoxanthum aristatum Annual vernal grass, Annual vernalgrass
non-native
Annual grass  2017 Hannah Kang
 2014 Zoya Akulova (ssp. aristatum)
|
|
Anthoxanthum occidentale Califonria sweet grass, Vanilla grass
native
Perennial grass  2010 Neal Kramer
 2018 Hayley Ross
 2010 Chris Wagner
|
|
Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass
• invasive non-native
Annual, Perennial grass  2008 Zoya Akulova
 2009 Zoya Akulova
 2008 Keir Morse
|
|
Aphanes occidentalis Western lady's mantle
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2017 Ron Vanderhoff
 2009 Keir Morse
|
|
Apocynum androsaemifolium Bitter dogbane, Spreading dogbane
native
Perennial herb  2020 Stacie Wolny
 2021 Mike Russler
 2020 Bob Sweatt
|
|
Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine
native
Perennial herb  2013 James Gonsman
 2021 Emily Sluiman
 2019 Diane Etchison
|
|
Aquilegia formosa var. truncata Crimson columbine, Sitka columbine, Western columbine
native
Perennial herb 2013 James Gonsman
2021 Emily Sluiman
2019 Diane Etchison
|
|
Arabis glabra Tower rockcress
native
Perennial herb  2021 David Wolfson
 2021 Mike Russler
 2020 Chico Hiking Association
|
|
Arabis glabra var. glabra Tower rockcress
native
Perennial herb 2021 David Wolfson
2021 Mike Russler
2020 Chico Hiking Association
|
|
Arabis hirsuta var. glabrata Eschscholtz's hairy rockcress
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2007 Gerald Carr
|
|
Aralia californica California spikenard, Elk's clover, Elkclover
native
Perennial herb  2020 Tri Do
 2020 Tri Do
 2014 James Gonsman
|
|
Araucaria araucana
|
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Arbutus menziesii Madrono, Pacific madrone
native
Tree  2008 Neal Kramer
 2015 Susan McDougall
 2018 Eliezer Margolis
|
|
Arbutus unedo Strawberry tree
non-native
Tree  2008 Luigi Rignanese
 2015 Zoya Akulova
 2018 Catherine Capone
|
|
Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe
native
Perennial herb (parasitic)  2016 Richard Spjut
 2020 Charles Russell
 2021 Mikhela Aiken
|
|
Arctium minus Common burdock, Lesser burdock, Small burdock
non-native
Perennial herb  2014 Zoya Akulova
 2010 Barry Breckling
 2006 Louis-M. Landry
|
|
Arctostaphylos canescens Hoary manzanita
native
Shrub  2015 Robert Steers
 2008 Keir Morse
 2009 Jorg Fleige
|
|
Arctostaphylos columbiana Hairy manzanita, Redwood manzanita
native
Tree, Shrub  2020 R.A. Chasey
 2009 Zoya Akulova
 2020 R.A. Chasey
|
|
Arctostaphylos hispidula Howell's manzanita
• rare native
Shrub  2019 Adam Chasey
 2019 Adam Chasey
 2008 Norman Jensen
|
|
Arctostaphylos manzanita Common manzanita
native
Shrub  2019 Julie Kierstead Nelson
 2019 Adam Chasey
 2019 R.A. Chasey
|
|
Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita
native
Shrub  2010 Keir Morse
 2006 Michael W. Tuma
 2019 Julie A. Kierstead
|
|
Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita
native
Shrub  2013 Judith Elaine Bush
 2019 Susan McDougall
 2021 Alaine Arslan
|
|
Arctostaphylos uva-ursi Bearberry manzanita, Kinnikinnick
native
Shrub  2018 Saskia Raether
 2020 Doug Allshouse
 2019 Cynthia Powell
|
|
Arctostaphylos viscida Sticky whiteleaf manzanita
native
Tree, Shrub  2019 Julie Kierstead Nelson
 2007 George W. Hartwell
 2019 Belinda Lo
|
|
Arenaria douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb  2005 Steve Matson
 2015 Barry Thomson
 2014 Keir Morse
|
|
Armeria maritima ssp. californica California sea pink, California seapink, Sea pink or thrift
native
Perennial herb  2011 Steven Perry
 2015 Susan McDougall
 2013 James Gonsman
|
|
Arnica cordifolia Heart leaved arnica, Heartleaf arnica
native
Perennial herb  2003 Steve Matson
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Arnica spathulata Klamath arnica
• rare native
Perennial herb (rhizomatous)  2007 Gerald Carr
 2007 Keir Morse
 2007 Gerald Carr
|
|
Arnica Xdiversifolia Sticky leaf arnica
native
Perennial herb  2013 Dana York
 2017 Debra L. Cook
 2009 Barry Breckling
|
|
Arrhenatherum elatius Tall oatgrass
non-native
Perennial grass  2020 Doug Allshouse
 2019 Thomas Reyes
 2021 John Rawlings
|
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2021 Mike Russler
 2017 Alison Sheehey
 2013 Brent Morgan
|
|
Artemisia suksdorfii Coastal mugwort
native
Perennial herb  1995 Saint Mary's College of California
 2020 Susan McDougall
 1995 Saint Mary's College of California
|
|
Aruncus dioicus var. acuminatus Bride's feathers
native
Perennial herb  2013 John Doyen
 2009 Barry Breckling
 2018 Matt C. Berger
|
|
Asarum caudatum Creeping wild ginger, Longtail wild ginger
native
Perennial herb  2007 Shawn DeCew
 Gerald and Buff Corsi 2009 California Academy of Sciences
 2017 Gregory Arena
|
|
Aster spathulatus Western mountain aster
native
Perennial herb  2013 Steve Matson
 2013 Steve Matson
 2021 Mike Russler
|
|
Asyneuma prenanthoides California harebell
native
Perennial herb  2021 Cara Wilcox
 2015 Steve Matson
 2021 Cara Wilcox
|
|
Athyrium filix-femina Common ladyfern
native
Fern  2019 Julie Kierstead Nelson
 2008 Louis-M. Landry
 2009 Thomas Stoughton
|
|
Athyrium filix-femina var. cyclosorum Common lady fern, Subarctic lady fern, Western lady fern
native
Fern  2008 Keir Morse
 2019 Susan McDougall
 2008 Keir Morse
|
|
Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale
native
Perennial herb  2019 Angelique Herman
 2019 Diane Etchison
 2009 Neal Kramer
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2022 John Rawlings
 2022 John Rawlings
 2002 James B. Gratiot
|
|
Avena sativa Common oats, Cultivated oats, Wild oat
non-native
Annual, Perennial grass  2002 Brent Miller
 2006 Louis-M. Landry
 2006 Luigi Rignanese
|
|
Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub  2021 Donald Burk
 2020 A. Nuebel
 2007 Neal Kramer
|
|
Baccharis pilularis ssp. consanguinea Coyote brush
native
Shrub  2018 Paul Preston and Tim Lukaszewski
2021 Donald Burk
 2018 Ron Vanderhoff
|
|
Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb  2014 Susan McDougall
 2013 Debra L. Cook
 2014 Susan McDougall
|
|
Barbarea orthoceras var. dolichocarpa American rocket, American wintercress, Erectpod wintercress
native
Perennial herb 2014 Susan McDougall
2013 Debra L. Cook
2014 Susan McDougall
|
|
Bellis perennis English daisy, English lawn daisy
• invasive non-native
Perennial herb  2008 Keir Morse
 2020 Bob Sweatt
 2008 Keir Morse
|
|
Berberis aquifolium Mountain grape, Mountaingrape, Oregon grape
native
Shrub  2020 Chico Hiking Association
 2018 David popp
 2006 Louis-M. Landry
|
|
Berberis aquifolium var. aquifolium Oregon grape, Piper's barberry
native
Shrub  2008 Keir Morse
 2012 Barry Breckling
 2008 Keir Morse
|
|
Berberis aquifolium var. repens Creeping oregon grape, Dwarf mahonia
native
Shrub  2004 Robert Sivinski
 2010 James M. Andre
 2021 Steve Matson
|
|
Berberis darwinii Darwin's berberis
• invasive non-native
Shrub  2008 Zoya Akulova
 2018 Abbot Chambers
 2015 Nicholas Stevenson
|
|
Berberis nervosa Cascades oregon grape, Oregongrape
native
Shrub  2019 Hunter Breck
 2018 Gregory Arena
 2011 Steve Matson
|
|
Berberis pinnata California barberry, Coast barberry, Shiny leaf mahonia
native
Shrub  2014 Neal Kramer
 2019 Susan McDougall
 2014 Neal Kramer
|
|
Bidens frondosa Devil's beggartick, Sticktight
native
Annual herb  2020 Bob Sweatt
 2008 Keir Morse
 2010 Tommaso Sitzia
|
|
Blechnum spicant Deer fern
native
Fern  2009 Neal Kramer
 2014 Susan McDougall
 2021 Julie A. Kierstead
|
|
Boykinia elata Brook foam, Coastal brookfoam, Western boykinia
native
Perennial herb  2014 James Gonsman
 2011 Ron Wolf
 2014 James Gonsman
|
|
Boykinia major Large boykinia, Mountain boykinia, Stream boykinia
native
Perennial herb  2006 George W. Hartwell
 2012 Neal Kramer
 2019 Julie Kierstead Nelson
|
|
Boykinia occidentalis Brook foam, Coastal brookfoam, Western boykinia
native
Perennial herb 2014 James Gonsman
2011 Ron Wolf
2014 James Gonsman
|
|
Brassica campestris Field mustard, Turnip
• invasive non-native
Annual herb  2017 Cynthia Powell
 2008 Neal Kramer
 2018 Angelique Herman
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb  2011 Jorg & Mimi Fleige
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 2017 Cynthia Powell
2008 Neal Kramer
2018 Angelique Herman
|
|
Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
|
|
Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass
non-native
Annual grass  2005 Brent Miller
 2008 Keir Morse
 2022 R.A. Chasey
|
|
Brodiaea elegans Harvest brodiaea
native
Perennial herb  2019 Joe Engelbrecht
 2009 Bob Case
 2009 BOB CASE
|
|
Brodiaea ida-maia Firecracker brodiaea, Firecracker flower
native
Perennial herb  2018 Emily Allen
 2019 Steve Laymon
 2015 John Doyen
|
|
Brodiaea terrestris Dwarf brodiaea
native
Perennial herb  2019 Diane Etchison
 2005 Ron Powell
 2019 Mary Gerbic
|
|
Bromus carinatus California brome
native
Perennial grass  2020 Ron Vanderhoff
 2021 Neal Kramer
 2020 Aaron Sunshine
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
|
|
Bromus carinatus var. maritimus Maritime brome
native
Perennial grass  2020 Ken Hickman
 2020 Michelle Karle
 2016 Richard Chasey
|
|
Bromus catharticus var. elatus Chilean brome
non-native
Annual, Perennial grass  2006 Steve Matson
 2006 Steve Matson
 2006 Steve Matson
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2009 Neal Kramer
 2018 Angelique Herman
 2021 Richard Spjut
|
|
Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2006 Brent Miller
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass 2006 Brent Miller
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus inermis ssp. inermis Smooth brome
non-native
Perennial grass  2020 Belinda Lo
 2005 Louis-M. Landry
 2020 Belinda Lo
|
|
Bromus inermis ssp. inermis var. inermis Smooth brome
non-native
Perennial grass 2020 Belinda Lo
2005 Louis-M. Landry
2020 Belinda Lo
|
|
Bromus maritimus Maritime brome
native
Perennial grass 2020 Ken Hickman
2020 Michelle Karle
2016 Richard Chasey
|
|
Bromus mollis Soft brome, Soft chess
• invasive non-native
Annual grass 2006 Brent Miller
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass  2008 Keir Morse
 2008 Keir Morse
 2005 Steve Matson
|
|
Bromus vulgaris Columbia brome, Common brome
native
Annual grass  2018 Neal Kramer
 2008 Zoya Akulova
 2018 Neal Kramer
|
|
Buddleja davidii Butterfly bush, Summer lilac
• invasive non-native
Tree, Shrub  2021 Ron Vanderhoff
 2021 Ron Vanderhoff
 2011 Michael O'Brien
|
|
Buxus microphylla
|
|
Cakile edentula American searocket, Sea rocket
non-native
Annual herb  2010 Louis-M. Landry
 2006 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Cakile maritima European searocket, Sea rocket
• invasive non-native
Annual herb  2009 Neal Kramer
 2019 Cynthia Powell
 2014 James Gonsman
|
|
Calamagrostis nutkaensis Pacific reedgrass
native
Perennial grass  2018 Ken Hickman
 2008 Eric Wrubel
 2019 Ken Hickman
|
|
Calandrinia ciliata red maids, Calandrinia
native
Annual herb  2021 Mary Ann Machi
 2019 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Callitriche heterophylla Varied leaved water starwort, Water starwort
native
Perennial herb  2010 Aaron Arthur
 2010 Aaron Arthur
 2015 Jean Pawek
|
|
Callitriche heterophylla var. bolanderi Bolander's water starwort
native
Annual herb  2005 Steve Matson
 2008 Keir Morse
 2009 Keir Morse
|
|
Callitriche stagnalis Pond water starwort
non-native
Annual herb (aquatic)  2010 Gerald Carr
 2010 Gerald Carr
 2020 Neal Kramer
|
|
Calochortus tolmiei Hairy star tulip, Tolmie star tulip, Tolmie's star tulip
native
Perennial herb  2020 Steve Conger
 2022 Jamie Spielmann
 2020 Steve Laymon
|
|
Caltha leptosepala White marsh marigold
native
Perennial herb  2020 Bob Sweatt
 2021 Jamie Spielmann
 2016 Roy West
|
|
Caltha leptosepala var. biflora White marsh marigold
native
Perennial herb 2020 Bob Sweatt
2021 Jamie Spielmann
2016 Roy West
|
|
Calypso bulbosa Fairy slipper, Fairyslipper orchid
native
Perennial herb  2020 Peter Warner
 2018 Steve Laymon
 2020 Emma Shelton
|
|
Calypso bulbosa var. occidentalis Fairy slipper
native
Perennial herb  2021 Nora Bales
 2018 Hunter Breck
 2018 Ken Hickman
|
|
Calystegia atriplicifolia Nightblooming false bindweed
native
Perennial herb (rhizomatous)  2008 Keir Morse
 2008 Keir Morse
 2008 Sierra Pacific Industries
|
|
Calystegia atriplicifolia ssp. buttensis Butte county morning glory
• rare native
Perennial herb (rhizomatous)  2008 John Dittes
2008 Sierra Pacific Industries
 2018 Sierra Pacific Industries
|
|
Calystegia occidentalis ssp. occidentalis Chaparral false bindweed, Modoc morning glory, Western morning glory
native
Perennial herb  2003 George W. Hartwell
 2008 Keir Morse
 2020 Julie A. Kierstead
|
|
Calystegia soldanella Beach morning glory, Beach morningglory
native
Perennial herb  2020 David Greenberger
 2021 Hayley Ross
 2021 Hayley Ross
|
|
Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas
native
Perennial herb  2008 Keir Morse
 2014 Barry Rice
 2008 Keir Morse
|
|
Camellia japonica
|
|
Camissonia cheiranthifolia Beach evening-primrose
native
Perennial herb  2019 Patrick Furtado
 2021 Meghan Lindt
 2019 Ron Vanderhoff
|
|
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening-primrose
native
Perennial herb 2019 Patrick Furtado
2021 Meghan Lindt
2019 Ron Vanderhoff
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2007 Carol W. Witham
 2019 Cynthia Powell
 2022 Doug Allshouse
|
|
Cardamine breweri var. breweri Brewer's bitter cress, Brewer's bittercress
native
Perennial herb  2005 Steve Matson
 2020 Bob Sweatt
 2005 Steve Matson
|
|
Cardamine californica California toothwort, milkmaids
native
Perennial herb  2018 James Gonsman
 2021 Ron Vanderhoff
 2018 Lynn Sweet
|
|
Cardamine integrifolia California toothwort, milkmaids
native
Perennial herb 2018 James Gonsman
2021 Ron Vanderhoff
2018 Lynn Sweet
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb  2013 Emily Wong
 2013 Ron Wolf
 2020 Cynthia Powell
|
|
Cardionema ramosissimum Sand mat, Sandcarpet
native
Perennial herb  2011 Jorg & Mimi Fleige
 2019 John Rawlings
 2019 John Rawlings
|
|
Carex aquatilis var. dives Sitka sedge
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
|
|
Carex concinnoides Northwestern sedge
native
Perennial grasslike herb  2015 Hayley Ross
 2015 Hayley Ross
 2003 Steve Matson
|
|
Carex deweyana ssp. leptopoda Slender-footed sedge
native
Perennial grasslike herb  2002 Steve Matson
 2008 Keir Morse
 2013 Robert Steers/NPS
|
|
Carex dudleyi Dense sedge, Sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Dean Wm. Taylor, Ph.D.
 2008 Dean Wm. Taylor, Ph.D.
|
|
Carex globosa Round fruit sedge
native
Perennial grasslike herb  2010 Dean W. Taylor, Ph.D
 2009 Neal Kramer
 2014 Steve Matson
|
|
Carex hendersonii Henderson's sedge
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
 2007 Shawn DeCew
|
|
Carex leporina Hare or oval sedge
native
Perennial grasslike herb  2009 Chris Wagner
 2009 Chris Wagner
 2009 Chris Wagner
|
|
Carex leptopoda Slender-footed sedge
native
Perennial grasslike herb 2002 Steve Matson
2008 Keir Morse
2013 Robert Steers/NPS
|
|
Carex mendocinensis Mendocino sedge
native
Perennial grasslike herb  2008 Keir Morse
 2010 Sierra Pacific Industries
 2021 R.A. Chasey
|
|
Carex obnupta Coast carex, Slough sedge
native
Perennial grasslike herb  2007 Neal Kramer
 2008 Keir Morse
 2014 Zoya Akulova
|
|
Carex ovalis Hare or oval sedge
native
Perennial grasslike herb 2009 Chris Wagner
2009 Chris Wagner
2009 Chris Wagner
|
|
Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb  2020 Ken Hickman
 2020 John Rawlings
 2020 Steve Matson
|
|
Carex simulata Analogue sedge, Short beaked sedge
native
Perennial grasslike herb  2006 Steve Matson
 2002 Steve Matson
 2006 Steve Matson
|
|
Carex stipata Awlfruit sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Keir Morse
 2008 Keir Morse
|
|
Carex stipata var. stipata Awl fruited sedge, Owlfruit sedge
native
Perennial grasslike herb 2008 Keir Morse
2002 Dean Wm. Taylor
 2014 Trent M. Draper
|
|
Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge
native
Perennial grasslike herb  2017 David Greenberger
 2021 John Rawlings
 2021 John Rawlings
|
|
Carpobrotus chilensis Sea fig
• invasive non-native
Perennial herb  2018 Nicole Leatherman
 2006 Joseph Dougherty, M.D./ecology.or
 2018 Ron Vanderhoff
|
|
Castanopsis chrysophylla Giant chinquapin, Golden chinquapin
native
Tree, Shrub  2019 Patrick Furtado
 2014 Richard Chasey
 2014 Richard Chasey
|
|
Castilleja affinis Indian paintbrush
native
Perennial herb  2019 Aleksandra Evert
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Castilleja attenuata Narrow leaved owl's clover, Valley tassels
native
Annual herb  2018 Glen Schneider
 2018 Tim Lewis
 2008 Steve Matson
|
|
Castilleja miniata ssp. elata Siskiyou indian paintbrush
native
Perennial herb (hemiparasitic)  2015 John Doyen
 2008 Keir Morse
 2008 Keir Morse
|
|
Caucalis microcarpa California hedge parsley, False carrot
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Ceanothus pumilus Dwarf ceanothus, Siskiyou mat
native
Shrub  2010 Vernon Smith
 2019 Julie A. Kierstead
 2019 Julie A. Kierstead
|
|
Ceanothus thyrsiflorus Blueblossom
native
Tree, Shrub  2020 David Greenberger
 2020 R.A. Chasey
 2018 Rick Kuyper
|
|
Ceanothus velutinus var. hookeri Tobacco brush, snowbrush
native
Tree, Shrub  2020 Bob Sweatt
 2019 Susan McDougall
 2021 Mike Russler
|
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
|
|
Centaurea stoebe ssp. micranthos Spotted knapweed
• invasive non-native
Perennial herb  2005 Louis-M. Landry
 2012 Zoya Akulova
 2012 Zoya Akulova
|
|
Centaurium erythraea Common centaury, European centaury
non-native
Annual herb  2011 Ryan Batten
 2003 George W. Hartwell
 2014 Jean Pawek
|
|
Centaurium floribundum Muehlenberg's centaury
native
Annual herb  2019 Patrick Furtado
 2015 James Gonsman
 2008 Neal Kramer
|
|
Centaurium muehlenbergii Muehlenberg's centaury
native
Annual herb 2019 Patrick Furtado
2015 James Gonsman
2008 Neal Kramer
|
|
Centranthus ruber Jupiter's beard, Red valerian
non-native
Annual, Perennial herb  2013 Zachary Mikalonis
 2022 Justin Felder
 2009 Neal Kramer
|
|
Cephalanthera austiniae Phantom orchid
native
Perennial herb  2018 Matt Berger
 2006 Earl Nance
 2020 Joey Santore
|
|
Cerastium arvense Field chickweed, Meadow chickweed
native
Perennial herb  2019 Ken Hickman
 2019 John Rawlings
 2014 Steve Matson
|
|
Cerastium arvense ssp. strictum Field chickweed
native
Perennial herb  2014 Robert Sikora
 2009 Barry Breckling
 2021 R.A. Chasey
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2009 Barry Breckling
|
|
Cerastium viscosum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 2019 Diane Etchison
2015 Chris Jaster
2009 Barry Breckling
|
|
Ceratophyllum demersum Coon's tail, Hornwort
native
Perennial herb  2008 Neal Kramer
 2013 Ron Vanderhoff
 2008 Neal Kramer
|
|
Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany
native
Tree, Shrub  2020 Rebecca Schoenenberger
 2016 Cindy Roessler
 2020 Aaron Echols
|
|
Chamaecyparis lawsoniana Port orford cedar
native
Tree  2000 John Game
 2021 Julie A. Kierstead
 2021 Julie A. Kierstead
|
|
native
Perennial herb  2011 Neal Kramer
 2012 Neal Kramer
 2019 Diane Etchison
|
|
Cheilanthes gracillima Lace lip fern
native
Fern  © 2015 Barry Breckling
 2005 Steve Matson
 2021 John Rawlings
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb  2005 Louis-M. Landry
 2008 Keir Morse
 2005 Louis-M. Landry
|
|
Chimaphila menziesii Little prince's pine, Pipsissewa
native
Perennial herb  2020 Bob Sweatt
 2006 Steve Matson
 2019 Jacob Smith
|
|
Chimaphila umbellata Blake's prince's pine, Pipsissewa
native
Perennial herb  2021 Steve Conger
 2020 Bob Sweatt
 2009 Keir Morse
|
|
Chimaphila umbellata ssp. occidentalis Blake's prince's pine, Pipsissewa
native
Perennial herb 2021 Steve Conger
2020 Bob Sweatt
2009 Keir Morse
|
|
Chlorogalum pomeridianum Amole, Soap plant, Soaproot
native
Perennial herb  2019 Patrick Furtado
 2020 Robert Katz
 2019 Diane Etchison
|
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb  2015 Sharon King & Randy Aeschliman
 2003 George Jackson
 2018 Karen Scheuermann
|
|
Chrysanthemum leucanthemum Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb  2005 Lisa Powers
 Nick Kurzenko
 2018 Brian Charles
|
|
Chrysolepis chrysophylla Giant chinquapin, Golden chinquapin
native
Tree, Shrub  2020 Mary Conway
 2019 Cynthia Powell
 2011 Zoya Akulova
|
|
Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin
native
Tree, Shrub  2009 Neal Kramer
 2017 Zachariah Jordan
 2010 Neal Kramer
|
|
Chrysosplenium glechomifolium Pacific golden saxifrage
• rare native
Perennial herb  2005 Cheri J. Sanville
 2014 Dana York
 2014 Dana York
|
|
Cichorium intybus Chicory
non-native
Perennial herb  2019 Diane Etchison
 2020 Bob Sweatt
 2019 Diane Etchison
|
|
Circaea alpina ssp. pacifica Pacific enchanter's nightshade, Small enchanter's nightshade
native
Perennial herb  2013 Debra L. Cook
 2008 Keir Morse
 2018 Julie Kierstead Nelson
|
|
Cirsium acanthodontum Few leaved thistle, Fewleaf thistle
native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Cirsium arvense Canada thistle
• invasive non-native
Perennial herb  2008 Keir Morse
 2018 Joel Trumbo
 2007 Luigi Rignanese
|
|
Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb  2007 Neal Kramer
 2014 Margo Bors
 2018 Brian Charles
|
|
Cirsium occidentale var. venustum Cobwebby thistle, Red thistle, Venus thistle
native
Perennial herb  2019 Sue Graue
 2004 David A. Tharp
 2020 Sara Timby
|
|
Cirsium pastoris Snowy thistle
native
Perennial herb  2020 R.A. Chasey
 2019 Matt Berger
 2018 Debra Valov
|
|
Cirsium proteanum Cobwebby thistle, Red thistle, Venus thistle
native
Perennial herb 2019 Sue Graue
2004 David A. Tharp
2020 Sara Timby
|
|
Cirsium remotifolium Few leaved thistle, Fewleaf thistle
native
Perennial herb 2008 Keir Morse
2008 Keir Morse
2008 Keir Morse
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2005 Christopher L. Christie
 2021 Emily Sluiman
 2019 Gustavo Vasquez
|
|
Clarkia amoena Farewell to spring
native
Annual herb  2020 Doug Allshouse
 2019 Steve Laymon
 2015 James Gonsman
|
|
Clarkia amoena ssp. amoena Farewell to spring
native
Annual herb  2001 Jeff Abbas
 2001 Jeff Abbas
 2015 James Gonsman
|
|
Clarkia purpurea Purple clarkia, Winecup clarkia
native
Annual herb  2018 Elinor Gates
 2019 Stacie Wolny
 2019 Diane Etchison
|
|
Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia
native
Annual herb  2020 Steve Laymon
 2018 Gary McDonald
 2021 R.A. Chasey
|
|
Claytonia perfoliata Miner s lettuce, Miner's lettuce
native
Annual herb  2020 Ron Vanderhoff
 2022 Mike Russler
 2007 Neal Kramer
|
|
Claytonia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb  2007 Aaron Schusteff
 2017 Steve Matson
 2017 Steve Matson
|
|
Claytonia sibirica var. sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb 2007 Aaron Schusteff
2017 Steve Matson
2017 Steve Matson
|
|
Claytonia washingtoniana Suksdorf's spring beauty, Washington springbeauty
native
Annual herb  2010 Gerald Carr
 2010 Gerald Carr
 2010 Gerald Carr
|
|
Clematis ligusticifolia Creek clematis, Western virgin's bower, Western white clematis
native
Perennial herb, Vine  2018 Diane Etchison
 2020 Emily Sluiman
 2009 Neal Kramer
|
|
Clinopodium douglasii Yerba buena
native
Perennial herb  2019 Gary McDonald
 2012 Gary McDonald
 2012 Gary McDonald
|
|
Clintonia andrewsiana Andrew's clintonia, Blue bead lily, Red clintonia
native
Perennial herb  2013 Suzanne L. Weakley
 2013 Janet Herringshaw
 2013 Janet Herringshaw
|
|
Collinsia linearis Narrow leaf collinsia, Narrowleaf blue eyed mary
native
Annual herb  2008 Keir Morse
 2014 Maya Goklany
 2009 Julie Kierstead Nelson
|
|
Collomia heterophylla Variableleaf collomia, Varied leaved collomia
native
Annual herb  2018 Stacie Wolny
 2019 Mary Conway
 2020 Jennifer Mo
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2008 Keir Morse
 2013 Toni Corelli
 2019 Ron Vanderhoff
|
|
Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine  2019 Ron Vanderhoff
 2021 Ron Vanderhoff
 2005 Steve Matson
|
|
Coptis laciniata Oregon golden thread, Oregon goldthread
• rare native
Perennial herb  2006 David McClurg
 2008 Zoya Akulova
 2012 Kjirsten Wayman
|
|
Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot
native
Perennial herb  2010 Dee E. Warenycia
 2019 Cynthia Powell
 2019 Jane Cohn
|
|
Corallorhiza mertensiana Merten's coral root, Pacific coralroot
native
Perennial herb  2011 Steve Matson
 2011 Steve Matson
 2018 Timothy Boomer
|
|
Corallorhiza striata Hooded coralroot, Striped coral root
native
Perennial herb  2019 Timothy Boomer
 2018 Timothy Boomer
 2021 Mary Ann Machi
|
|
Cordylanthus tenuis ssp. viscidus Slender bird's beak, Sticky bird's beak, Viscid bird's beak
native
Annual herb  2020 Jane Cohn
 2005 Norman Jensen
 2016 Jason Matthias Mills
|
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2019 Bonnie Nickel
 2021 Mike Russler
 2018 Ron Vanderhoff
|
|
Cornus capitata
|
|
Cornus glabrata Brown dogwood
native
Tree, Shrub  2021 Donald Burk
 2020 Susan McDougall
 2019 Richard Spjut
|
|
Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain dogwood
native
Shrub  2018 Matt Berger
 2017 David popp
 2019 Janith Johnson
|
|
Cornus sericea American dogwood, Creek dogwood, Redosier dogwood
native
Shrub  2018 Hayley Ross
 2016 Suzanne L. Weakley
 2018 Hayley Ross
|
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub  2016 Neal Kramer
 2013 John Doyen
 2014 Zoya Akulova
|
|
Cornus sessilis Blackfruit dogwood, Miners dogwood, Western cornelian cherry
native
Tree  2019 Belinda Lo
 2019 Bill Haley
 2019 Belinda Lo
|
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass  2018 Ramona Robison
 2021 Michelle Karle
 2018 Ramona Robison
|
|
Corylus cornuta ssp. californica Beaked hazelnut
native
Shrub  2015 Robert Steers
 2017 John Game
 2019 Belinda Lo
|
|
Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster
• invasive non-native
Shrub  2006 Peter Zika
 2001 Joe DiTomaso
 2006 Peter Zika
|
|
Cotoneaster integrifolius Entire-leaved cotoneaster
non-native
Shrub  2006 Peter Zika
 2021 David Greenberger
|
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
• invasive non-native
Shrub  2021 David Wolfson
 2006 Peter Zika
 2019 Cynthia Powell
|
|
Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb  2011 Neal Kramer
 2014 Keir Morse
 2020 Ron Vanderhoff
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb  2016 Chris Leslie
 2018 Cynthia Powell
 2018 Bill Schmidt
|
|
Crataegus monogyna Hawthorn
• invasive non-native
Shrub  2007 Dr. Amadej Trnkoczy
 2010 Phil Pullen
 2007 Luigi Rignanese
|
|
Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard
non-native
Annual, Perennial herb  2019 Randy Huey
 2020 Jennifer Mo
 2019 Randy Huey
|
|
Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars
• invasive non-native
Perennial herb  2007 John Pelafigue
 2007 Pat Brooks
 2008 Jorg Fleige
|
|
Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass
non-native
Annual grass  2017 Ron Vanderhoff
 2021 Cynthia Powell
 2018 Ron Vanderhoff
|
|
Cryptantha leiocarpa Coast cryptantha, Coastal cryptantha, Popcorn flower
native
Annual herb  2011 Dylan Neubauer
 2004 Bob Huettmann
 2011 Jorg & Mimi Fleige
|
|
Cupressus lawsoniana Port orford cedar
native
Tree 2000 John Game
2021 Julie A. Kierstead
2021 Julie A. Kierstead
|
|
Cuscuta pentagona Five angled dodder, Fiveangled dodder, Western field dodder
native
Annual herb, Vine (parasitic)  © 2016 Keir Morse
 2016 Keir Morse
 2016 Keir Morse
|
|
Cymbalaria muralis Kenilworth ivy
non-native
Annual, Perennial herb  2022 David Wolfson
 2017 James Bailey
 2014 Toni Corelli
|
|
Cynoglossum grande Adelinia
native
Perennial herb  2022 R.A. Chasey
 2022 BOB CASE
 2022 Emily R. Allen
|
|
Cynosurus cristatus Crested dogstail grass, Crested dogtail grass
non-native
Perennial grass  2010 Zoya Akulova
 2010 Zoya Akulova
 2016 Zoya Akulova
|
|
Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass
• invasive non-native
Annual grass  2009 Barry Rice
 2007 Neal Kramer
 2019 Julie Kierstead Nelson
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2021 Ken Lunders
 2016 Joan Hampton
 2017 Gary McDonald
|
|
Cyperus niger Black cyperus, Black flatsedge, Brown cyperus
native
Perennial grasslike herb  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2021 Ron Vanderhoff
|
|
Cypripedium californicum California lady's slipper
• rare native
Perennial herb (rhizomatous)  2021 Cyril Guyot
 2019 Judy Fenerty
 2018 Margarita Orlova
|
|
Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern
native
Fern  2020 Bob Sweatt
 2021 Mike Russler
 2005 Steve Matson
|
|
Cytisus multiflorus Spanish broom, White spanishbroom
• invasive non-native
Shrub  J. E.(Jed) and Bonnie McClellan2005 California Academy of Sciences
 2014 Patrick Congdon
 2020 Lenihan Mazur
|
|
Cytisus scoparius Scotch broom, Scotchbroom
• invasive non-native
Shrub  2021 Maria Stokes
 2016 Steve Matson
 2016 Steve Matson
|
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass  2005 Louis-M. Landry
 2003 Steve Matson
 2018 Kyndal Olin
|
|
Danthonia californica California oatgrass
native
Perennial grass  2020 Sara Timby
 2007 Steve Matson
 2022 Justin Luong
|
|
Daucus carota Queen anne's lace, Wild carrot
• invasive non-native
Perennial herb  2021 Jennifer Mo
 2021 Charles Russell
 2020 Ron Vanderhoff
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2014 Gary McDonald
 2021 Ken Lunders
|
|
Delairea odorata Cape ivy
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Delphinium decorum Coast larkspur, Coastal larkspur, Larkspur
native
Perennial herb  2008 Keir Morse
 2011 Jorg & Mimi Fleige
 2015 Aaron Schusteff
|
|
Delphinium decorum ssp. tracyi Coastal larkspur, Tracy's larkspur
native
Perennial herb  2008 Keir Morse
 2013 Sierra Pacific Industries
Delphinium decorum ssp. tracyi
Delphinium decorum ssp. tra
 2008 Keir Morse
|
|
Delphinium nudicaule Canyon larkspur, Red or Orange Larkspur, Red larkspur
native
Perennial herb  2020 Wendell Love
 2014 Stephen Rosenthal
 2018 Ken Lunders
|
|
Delphinium trolliifolium Columbian larkspur, Cow poison
native
Perennial herb  2005 Jerry Murray
 2006 Matt Below
 2005 Jerry Murray
|
|
Deschampsia caespitosa California hairgrass, Tufted hair grass, Tufted hairgrass
native
Perennial grass  2011 Margo Bors
 2008 Keir Morse
 2012 Jake Ruygt
|
|
Deschampsia cespitosa ssp. cespitosa Tufted hair grass, Tufted hairgrass
native
Perennial grass 2008 Keir Morse
 2008 Keir Morse
 2013 Jean Pawek
|
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass  2004 Carol W. Witham
 2007 Carol W. Witham
 2019 Paul Aigner
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass  2021 John Rawlings
 2021 John Rawlings
 2009 Adonis (Don) Tate
|
|
Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts
native
Perennial herb  2021 Saskia Raether
 2018 Chico Hiking Association
 2018 Matt Berger
|
|
Dichelostemma capitatum Blue dicks
native
Perennial herb  2020 Bryant Baker
 2020 Cheryl Ballantyne
 2020 Aleksandra Evert
|
|
Dichelostemma congestum Fork toothed ookow, Ookow
native
Perennial herb  2017 Gary Morgret
 2019 Suzanne L. Weakley
 2020 Jean Anderson
|
|
Dichelostemma ida-maia Firecracker brodiaea, Firecracker flower
native
Perennial herb 2018 Emily Allen
2019 Steve Laymon
2015 John Doyen
|
|
Dichelostemma Xvenustum Rose firecracker flower
native
Perennial herb  2017 Tanya Chapple
 2022 Jamie Spielmann
 2017 Tanya Chapple
|
|
Digitalis purpurea Purple foxglove
• invasive non-native
Perennial herb  2009 John W. Wall
 2018 Lindsay T. Cook
 2020 Woody Elliott
|
|
Dipsacus fullonum Fuller's teasel, Fullers' teasel, Wild teasel
• invasive non-native
Perennial herb  2008 Keir Morse
 2020 Bob Sweatt
 2021 Amber Bedgood
|
|
Disporum smithii Largeflower fairybells
native
Perennial herb  2018 Saskia Raether
 2020 Susan McDougall
 2008 Neal Kramer
|
|
Dodecatheon hendersonii Mosquito bill
native
Perennial herb  2021 Charles Russell
 2022 Ken Lunders
 2017 John Game
|
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb  2020 Diane Etchison
 2017 Steve Matson
 2017 Steve Matson
|
|
Drymocallis glandulosa var. reflexa Sticky cinquefoil
native
Perennial herb  2003 Yulan Tong
 2009 Barry Breckling
 2015 Barry Breckling
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2019 Ron Vanderhoff
 2004 Brent Miller
 2019 Rebecca Crowe
|
|
Dryopteris expansa Common wood fern, Spreading wood fern, Spreading woodfern
native
Fern  2019 Stella Yang
 1995 Saint Mary's College of California
 2009 Phil Pullen
|
|
Dudleya farinosa Bluff lettuce, North coast dudleya, Powdery liveforever
native
Perennial herb  2019 Amy Rapport
 2019 Patrick Furtado
 2017 John Doyen
|
|
Dysphania ambrosioides Mexican tea
non-native
Annual, Perennial herb  2021 Donald Burk
 2020 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Dysphania botrys Jerusalem oak goosefoot
non-native
Annual herb  2008 John Dittes
 1998 Larry Blakely
 2008 John Dittes
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2022 Ken-ichi Ueda
 2004 Carol W. Witham
 2003 Steve Matson
|
|
Eleocharis parvula Dwarf spikerush, Small spikerush
• rare native
Perennial grasslike herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Elodea canadensis Canadian waterweed, Common water weed, Elodea
native
Perennial herb  2014 Zoya Akulova
 2008 Louis-M. Landry
 2010 Louis-M. Landry
|
|
Elymus caput-medusae Medusa head
• invasive non-native
Annual grass  2019 Amanda Mills
 2019 Jennifer Mo
 2020 Thomas Reyes
|
|
Elymus glaucus Blue wildrye
native
Perennial grass  2009 Keir Morse
 2022 Cindy Roessler
 2022 Cindy Roessler
|
|
Elymus glaucus ssp. virescens Blue wildrye, Virginia wildrye
native
Perennial grass  2013 Robert Steers/NPS
 2017 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Elymus mollis ssp. mollis American dune grass, sea lyme grass
native
Perennial grass  2008 Neal Kramer
 2008 Neal Kramer
 2012 Robert Steers/NPS
|
|
Elymus spicatus Blue bunch wheat grass
native
Perennial grass  2013 Robert L. Carr
 2013 Robert L. Carr
 2013 Robert L. Carr
|
|
Elymus trachycaulus Slender wheatgrass
native
Perennial grass  2010 Louis-M. Landry
 2007 Steve Matson
 2008 Louis-M. Landry
|
|
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass
native
Perennial grass 2008 Louis-M. Landry
 2007 Steve Matson
 2010 Louis-M. Landry
|
|
Epilobium angustifolium Fireweed
native
Perennial herb  2019 Mikayla Loucks
 2020 Joey Santore
 2021 Mary Ann Machi
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb  2021 Ken Lunders
 2020 Ron Vanderhoff
 2019 Ramona Robison
|
|
Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb
native
Perennial herb  2021 stephen rosenthal
 2012 Ron Vanderhoff
 2019 Gary McDonald
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb  2017 Gary McDonald
 2019 Ron Vanderhoff
 2019 Gary McDonald
|
|
Epilobium ciliatum ssp. watsonii Fringed willowherb, Watson's willowherb, Willow herb
native
Perennial herb  2007 Neal Kramer
 2019 Patrick Furtado
 2019 Patrick Furtado
|
|
Epilobium halleanum Hall's willowherb
native
Perennial herb  2005 Steve Matson
 2010 Steve Matson
 2010 Steve Matson
|
|
Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb
native
Annual herb  2009 Keir Morse
 2019 Julian Geoghegan
 2009 Barry Brecklin
|
|
Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail
native
Fern  2006 Robert Sivinski
 2019 Bob Sweatt
 2019 Julie Kierstead Nelson
|
|
Equisetum hyemale ssp. affine Giant scouring rush
native
Fern  2008 Keir Morse
 2008 Neal Kramer
 2021 Ron Vanderhoff
|
|
Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern  2008 Neal Kramer
 2008 Neal Kramer
 2005 James M. Andre
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern  2011 Toni Corelli
 2021 Bryant Baker
 2021 Bryant Baker
|
|
Erechtites arguta Cutleaf burnweed
• invasive non-native
Annual, Perennial herb  2009 Zoya Akulova
 2015 Zoya Akulova
 2006 Adonis (Don) Tate
|
|
Erica lusitanica Spanish heather
• invasive non-native
Shrub  2010 Eric Wrubel
 2010 Eric Wrubel
 2001 CDFA
|
|
Erigeron canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2016 John Doyen
|
|
Erigeron foliosus Leafy daisy, Leafy fleabane
native
Perennial herb  2016 John Doyen
 2016 John Doyen
 2004 George W. Hartwell
|
|
Erigeron foliosus var. hartwegii Hartweg's fleabane
native
Perennial herb  2016 Steve Matson
 2016 Steve Matson
 2019 David Greenberger
|
|
Erigeron glaucus Seaside daisy, Seaside fleabane
native
Perennial herb  2021 Zoya Akulova-Barlow
 2019 James Gonsman
 2018 Hilary Tayeb
|
|
Erigeron inornatus California rayless daisy, California rayless fleabane
native
Perennial herb  2006 Steve Matson
 2020 Bob Sweatt
 2012 Neal Kramer
|
|
Erigeron inornatus var. inornatus California rayless daisy, California rayless fleabane, Fleabane
native
Perennial herb  2015 Richard Spellenberg
2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Erigeron philadelphicus Philadelphia fleabane
native
Perennial herb  2005 Christopher L. Christie
 2011 Zoya Akulova
 2014 Julie Kierstead Nelson
|
|
Erigeron reductus var. reductus California rayless daisy, Lesser california rayless fleabane
native
Perennial herb  2001 Dean Wm. Taylor
 2007 Dean Wm. Taylor, Ph.D.
 2007 Dean Wm. Taylor, Ph.D.
|
|
Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat
native
Perennial herb  2016 Suzanne L. Weakley
 2014 James Gonsman
 2017 Adam Chasey
|
|
Eriogonum nudum Naked buckwheat, Nude buckwheat
native
Shrub  2020 Stacie Wolny
 2020 Stacie Wolny
 2007 Michelle Cloud-Hughes
|
|
Eriogonum nudum var. nudum Naked buckwheat, Naked stemmed eriogonum, Nude buckwheat
native
Shrub  2021 Mike Russler
 2021 Mike Russler
 2021 Mike Russler
|
|
Eriogonum nudum var. oblongifolium Naked buckwheat, Oblong leaved buckwheat
native
Shrub  1991 Gary A. Monroe
 2009 Neal Kramer
 2009 Neal Kramer
|
|
Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower
native
Perennial herb  2021 Don Hollander
 2022 Mike Russler
 2022 R.A. Chasey
|
|
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower
native
Perennial herb  2015 James Gonsman
 2019 Susan McDougall
 2011 Neal Kramer
|
|
Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower
native
Perennial herb  2020 Suzanne L. Weakley
 2013 James Gonsman
 2014 James Gonsman
|
|
Eriophyllum stoechadifolium var. artemisiifolium
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2012 Neal Kramer
 2014 Keir Morse
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2022 Steve Matson
 2020 Julia Markey
 2022 Steve Matson
|
|
Erysimum capitatum Sanddune wallflower, Western wallflower
native
Perennial herb  2018 Janith Johnson
 2007 Thomas Stoughton
 2021 Cyril Guyot
|
|
Erysimum capitatum ssp. capitatum Sanddune wallflower, Western wallflower
native
Perennial herb 2018 Janith Johnson
2007 Thomas Stoughton
2021 Cyril Guyot
|
|
Erythronium californicum California fawn lily, California fawnlily
native
Perennial herb (bulb)  2019 Jeff Bisbee
 2020 Chris Else
 2020 Susan McDougall
|
|
Erythronium oregonum Giant white fawnlily, Oregon fawn lily
• rare native
Perennial herb (bulb)  2019 Kolby Lundgren
 2011 Steven Thorsted
 2019 Kolby Lundgren
|
|
Erythronium revolutum Mahogany fawn lily
• rare native
Perennial herb (bulb)  2020 Heather Morrison
 2021 Steve Conger
 2021 Mary Ann Machi
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2021 Ron Vanderhoff
 2020 Amy Rapport
 2009 Barry Rice
|
|
Eschscholzia californica ssp. californica Kernville poppy
• rare native
Perennial herb  2019 Mary Conway
 2019 Mary Conway
 2019 Mary Conway
|
|
Eucalyptus pulverulenta Money tree, Silverleaf mountain gum
non-native
Tree  2008 Zoya Akulova
 2015 Zoya Akulova
 2015 Zoya Akulova
|
|
Eucalyptus sideroxylon Red iron bark, Red ironbark
non-native
Tree  2009 Neal Kramer
 2016 Zoya Akulova
 2009 Neal Kramer
|
|
Euchiton gymnocephalus Creeping cudweed
non-native
Perennial herb  2008 Zoya Akulova
 2009 Zoya Akulova
 2017 Zoya Akulova
|
|
Euchiton sphaericus Tropical creeping cudweed
non-native
Annual herb  © 2014 Richard Spellenberg
 2014 Richard Spellenberg
 2014 Richard Spellenberg
|
|
Euonymus occidentalis Burning bush, Western burning bush
native
Tree, Shrub  2017 Diane Etchison
 2018 Parker Santiago
 2014 Zoya Akulova
|
|
Euonymus occidentalis var. occidentalis Western burning bush
native
Tree, Shrub  2002 Brad Kelley
 2006 Dean Wm. Taylor
 2021 Chris Brant
|
|
Euphorbia crenulata Chinese caps, Chinesecaps
native
Annual, Perennial herb  2009 Barry Breckling
 2008 Steve Matson
 2008 Steve Matson
|
|
Euphorbia lathyris Compass plant, Gopher plant, Moleplant
• invasive non-native
Annual, Perennial herb  2017 Aaron Echols
 2021 Mike Russler
 2020 Jennifer Mo
|
|
Eurybia radulina Roughleaf aster
native
Perennial herb  2020 Belinda Lo
 2008 Keir Morse
 2020 Belinda Lo
|
|
Fallopia convolvulus Black bindweed
non-native
Annual herb  2014 Robert L. Carr
 2014 Robert L. Carr
 2014 Robert L. Carr
|
|
Fallopia sachalinensis Giant knotweed
• invasive non-native
Perennial herb  Nick Kurzenko
 2001 CDFA
 2013 Domenic Bongio
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2020 Thomas Reyes
|
|
Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Festuca californica California fescue
native
Perennial grass  2019 Justin Luong
 2008 Keir Morse
 2022 Justin Luong
|
|
Festuca californica var. californica California fescue
native
Perennial grass 2019 Justin Luong
2008 Keir Morse
2022 Justin Luong
|
|
Festuca elmeri Coast fescue, Elmer fescue
native
Perennial grass  2002 Dean Wm. Taylor
 2020 John Rawlings, David Styer and Jane Styer
 2008 Steve Matson
|
|
Festuca elmeri var. elmeri Coast fescue, Elmer fescue
native
Perennial grass 2002 Dean Wm. Taylor
2020 John Rawlings, David Styer and Jane Styer
2008 Steve Matson
|
|
Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue
native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2015 jamie smith
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2015 Gary McDonald
 2013 Al Keuter
|
|
Festuca occidentalis Western fescue
native
Perennial grass  2008 Keir Morse
 2011 Steve Matson
 2011 Steve Matson
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
|
Festuca pratensis Meadow fescue
non-native
Perennial grass  2012 Al Keuter
 2008 Steve Matson
 2012 Al Keuter
|
|
Festuca rubra Red fescue
native
Perennial grass  2013 Robert Steers/NPS
 2012 Aaron Arthur
 2014 Phil Pullen
|
|
Festuca rubra ssp. rubra Red fescue
native
Perennial grass  2018 Susan McDougall
 2018 Susan McDougall
|
|
Festuca subulata Bearded fescue, Nodding fescue
native
Perennial grass  2008 Steve Matson
 2014 Molly Ferrell
 2020 Susan McDougall
|
|
Festuca subuliflora Coast range fescue, Crinkleawn fescue
native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Festuca temulenta Darnel, tares
non-native
Annual grass  2013 Al Keuter
 2016 Spade Natural Resources Consulting
 2013 Al Keuter
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2015 Neal Kramer
|
|
Forsythia Xintermedia
|
|
Fragaria chiloensis Beach strawberry
native
Perennial herb  2016 Teresa R Spade, AICP
 2020 Susan McDougall
 2009 Thomas Stoughton
|
|
Fragaria vesca California strawberry, Wild strawberry, Wood strawberry
native
Perennial herb  2020 Cara Wilcox
 2020 Cara Wilcox
 2020 Susan McDougall
|
|
Fragaria vesca ssp. californica California strawberry, Wild strawberry, Wood strawberry
native
Perennial herb 2020 Cara Wilcox
2020 Cara Wilcox
2020 Susan McDougall
|
|
Frangula californica ssp. californica California coffeeberry
native
Shrub  2019 Mary Conway
 2017 Gary McDonald
 2019 Mary Conway
|
|
Frangula californica ssp. occidentalis Wetern california coffeeberry
native
Shrub  2008 Keir Morse
 2015 Susan McDougall
 2019 Susan McDougall
|
|
Frangula purshiana Cascara buckthorn
native
Tree, Shrub  2012 Vernon Smith
 2014 Susan McDougall
 2014 Zoya Akulova
|
|
Fraxinus latifolia Oregon ash
native
Tree  2007 Dr. Mark S. Brunell
 2019 Catherine Capone
 2008 Keir Morse
|
|
Fritillaria affinis Checker lily, Mission bells
native
Perennial herb (bulb)  2020 Karen Swift
 2008 Steve Matson
 2020 Karen Swift
|
|
Galium ambiguum Yolla bolly bedstraw
native
Perennial herb  2009 Julie Kierstead Nelson
 2017 Julie A. Kierstead
 2018 Julie Kierstead Nelson
|
|
Galium ambiguum ssp. siskiyouense Siskiyou bedstraw
native
Perennial herb  2017 Steve Matson
 2017 Steve Matson
 2008 Keir Morse
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium bolanderi Bolander galium, Bolander's bedstraw
native
Perennial herb  2020 Neal Kramer
 2015 Steve Matson
 2020 Neal Kramer
|
|
Galium californicum California bedstraw
native
Perennial herb  2014 Richard Chasey
 2015 jamie smith
 2006 Steve Matson
|
|
Galium divaricatum Lamarck's bedstraw
non-native
Annual herb  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Galium parisiense Wall bedstraw
non-native
Annual herb  2009 Barry Breckling
 2019 Diane Etchison
 2005 Keir Morse
|
|
Galium porrigens Climbing bedstraw, Graceful bedstraw, Nuttall's bedstraw
native
Vine, Shrub  2002 Tony Morosco
 2013 Keir Morse
 2019 Cynthia Powell
|
|
Galium trifidum Three petaled bedstraw, Threepetal bedstraw, Trifid bedstraw
native
Perennial herb  2012 Jean Pawek
 2009 Keir Morse
 2013 Debra L. Cook
|
|
Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw
native
Annual herb  2018 Ken Hickman
 2008 Keir Morse
 2016 Steve Matson
|
|
Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2021 Zoya Akulova-Barlow
 2019 Gary McDonald
|
|
Garrya buxifolia Boxleaf silk tassel, Boxleaf silktassel, Dwarf silktassel
native
Shrub  2009 Norman Jensen
 2019 Susan McDougall
 2021 Steve Matson
|
|
Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush
native
Tree, Shrub  2004 Michael Charters
 2009 Aaron Schusteff
 2014 Zoya Akulova
|
|
Gastridium phleoides Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Paul Aigner
|
|
Genista monspessulana French broom
• invasive non-native
Shrub  2019 Ron Vanderhoff
 2015 Barry Breckling
 2019 Ron Vanderhoff
|
|
Gentiana affinis var. ovata Gentian, Pleated gentian
native
Perennial herb  2020 Mary Sue Ittner
 2013 Paul Preston
 2019 Tristan K Cole
|
|
Geranium carolinianum Carolina geranium
native
Annual herb  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2004 Carol W. Witham
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2003 Lynn Watson
 2015 Chris Jaster
 2019 Randy Huey
|
|
Geranium lucidum Shining geranium
• invasive non-native
Annual, Biennial herb  2016 Dr. Amadej Trnkoczy
 2011 Phil Pullen
 2016 Dana York
|
|
Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb  2009 Bob Case
 2019 David Magney
 2018 Stacie Wolny
|
|
Geranium oreganum Oregon geranium
native
Perennial herb  2005 Christopher L. Christie
 1995 Saint Mary's College of California
 2021 Steve Conger
|
|
Geranium pusillum Small flowered geranium, Small geranium
non-native
Annual herb  2012 Phil Pullen
 1995 Saint Mary's College of California
 1995 Saint Mary's College of California
|
|
Geranium robertianum Robert geranium, Robert's geranium
• invasive non-native
Annual herb  2014 James Gonsman
 2013 Al Keuter
 2013 Robert Steers/NPS
|
|
Geum macrophyllum Large leaved avens, Large leaf avens, Large leaved avens
native
Perennial herb  2015 Debra L. Cook
 2019 Julie A. Kierstead
 2020 Bob Sweatt
|
|
Gilia capitata Blue field gilia, Bluehead gilia
native
Annual herb  2011 Gerald Carr
 2003 Charles E. Jones
 2011 Gerald Carr
|
|
Gilia capitata ssp. pacifica Pacific blue field gilia, Pacific gilia
• rare native
Annual herb  2012 Asa Spade
 2006 Doreen L. Smith
 2012 Asa Spade
|
|
Githopsis specularioides Common bluecup, Venus' looking glass
native
Annual herb  2018 John Game
 2011 Steven Perry
 2018 John Game
|
|
Glechoma hederacea Ground ivy
non-native
Perennial herb  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2004 Dr. Amadej Trnkoczy
|
|
Glehnia littoralis American silvertop
native
Perennial herb  1998 Nick Kurzenko
 1995 Saint Mary's College of California
|
|
Glehnia littoralis ssp. leiocarpa American glehnia, American silvertop
• rare native
Perennial herb  2011 Ryan Batten
 2013 Dana York
 2018 Michelle Forys
|
|
Glyceria elata Fowl mannagrass, Tall mannagrass
native
Perennial grass  2009 Zoya Akulova
 2010 Keir Morse
 2008 Steve Matson
|
|
Glyceria Xoccidentalis Western manna grass
non-native
Perennial grass (aquatic)  2007 Gerald Carr
 2007 Gerald Carr
 2007 Gerald Carr
|
|
Gnaphalium palustre Lowland cudweed, Western marsh cudweed
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain
native
Perennial herb  2020 Bob Sweatt
 2019 Glenn Fine
 2019 Julie A. Kierstead
|
|
Grindelia stricta Coastal gumweed, Gumweed, Oregon gumweed
native
Perennial herb  2019 Patrick Furtado
 2014 James Gonsman
 2018 Julian Geoghegan
|
|
Grindelia stricta var. platyphylla Gumplant, Gumweed, Oregon gumweed
native
Perennial herb  2020 Mary Conway
2019 Patrick Furtado
 2014 Dee Warenycia
|
|
Hastingsia alba Reed lily, White bog hastingsia, White hastingsia
native
Perennial herb  2005 Steve Matson
 2019 Julie A. Kierstead
 2021 Julie A. Kierstead
|
|
Hastingsia serpenticola Klamath rushlily, Siskiyou hastingsia
native
Perennial herb  2014 John Doyen
 2016 Julie Kierstead Nelson
 2007 Norman Jensen
|
|
Hastingsia serpentinicola Klamath rushlily, Siskiyou hastingsia
native
Perennial herb 2014 John Doyen
2016 Julie Kierstead Nelson
2007 Norman Jensen
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub  2019 Claire Mallen
 1985 Joe DiTomaso
 2017 Allison Titus
|
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2013 Toni Corelli
 2015 Stephen Rosenthal
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb  2016 Hayley Ross
 2019 Rachelle Gray
 2019 Rachelle Gray
|
|
Hemitomes congestum Coneplant, Gnome plant
native
Perennial herb (mycoparasitic)  2018 Saskia Raether
 2011 Ryan Batten
 2006 Charles E. Jones
|
|
Hemizonia congesta Hayfield tarweed
native
Annual herb  2015 Vernon Smith
 2018 Stacie Wolny
 2019 Jennifer Mo
|
|
Hemizonia congesta ssp. tracyi Hayfield tarweed, Tracy's tarplant
• rare native
Annual herb  2016 Steve Matson
 2016 Steve Matson
 2007 Ellen Tatum
|
|
Hemizonia tracyi Hayfield tarweed, Tracy's tarplant
• rare native
Annual herb 2016 Steve Matson
2016 Steve Matson
2007 Ellen Tatum
|
|
Heracleum maximum Common cow parsnip
native
Perennial herb  2019 Bob Sweatt
 2008 Neal Kramer
 2021 Julie A. Kierstead
|
|
Hesperocyparis macrocarpa Monterey cypress
native
Tree  2019 Patrick Furtado
 2009 Keir Morse
 2021 Cynthia Powell
|
|
Heterotheca oregona var. oregona Oregon false goldenaster, Oregon goldenaster
native
Perennial herb  2001 Redwood National and State Parks
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Heuchera micrantha Alum root, Crevice alumroot
native
Perennial herb  2021 Mary Ann Machi
 2020 Susan McDougall
 2013 Debra L. Cook
|
|
Hieracium albiflorum White flowered hawkweed, White hawkweed
native
Perennial herb  2020 Bob Sweatt
 2021 Doug Allshouse
 2020 Bob Sweatt
|
|
Hieracium bolanderi Bolander's hawkweed
native
Perennial herb  © 2015 Dana York
 2015 Dana York
 2015 Richard Spellenberg
|
|
Hieracium cynoglossoides Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed
native
Perennial herb  2001 Jeff Abbas
 2011 Steve Matson
 2012 Jean Pawek
|
|
Hieracium scouleri Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed
native
Perennial herb 2001 Jeff Abbas
2011 Steve Matson
2012 Jean Pawek
|
|
Hippuris vulgaris Common mare's tail, Common mares tail, Mare's tail
native
Perennial herb (aquatic)  2010 Louis-M. Landry
 2019 Bob Sweatt
 2002 Steve Matson
|
|
Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass
• invasive non-native
Perennial grass  2019 Bill Haley
 2019 Bill Haley
 2019 Bill Haley
|
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2019 Bob Sweatt
 2020 Camille Nowell
 2021 R.A. Chasey
|
|
Hordeum brachyantherum Meadow barley
native
Perennial grass  2004 Steve Matson
 2010 Keir Morse
 2010 Rebecca Wenk
|
|
Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley
native
Perennial grass  2009 Barry Rice
 2009 Zoya Akulova
 2005 Louis-M. Landry
|
|
Hordeum marinum ssp. gussonianum Seaside barley
• invasive non-native
Annual grass  2009 Neal Kramer
 2004 Carol W. Witham
 2008 Zoya Akulova
|
|
Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass  2007 Luigi Rignanese
 2010 Michael O'Brien
 2007 Luigi Rignanese
|
|
Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley
non-native
Annual grass  2009 Barry Rice
 2015 Gary McDonald
 2015 Gary McDonald
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2015 Richard Chasey
 2009 Keir Morse
 2010 Neal Kramer
|
|
Horkelia sericata Howell's horkelia, Silky horkelia
• rare native
Perennial herb  2015 John Doyen
 2014 John Doyen
 2010 Sean B. Smith
|
|
Hosackia gracilis Harlequin lotus
• rare native
Perennial herb  2019 David Greenberger
 2020 Mary Conway
 2019 Paul Hankamp
|
|
Hosackia oblongifolia Narrow leaved lotus
native
Perennial herb  2007 Dianne Fristrom
 2019 Zachary Snider
 2002 Christopher L. Christie
|
|
Hosackia pinnata Pinnate lotus
native
Perennial herb  2011 Steve Matson
 2015 Steve Matson
 2015 Steve Matson
|
|
Hosackia rosea Rose flowered lotus
native
Perennial herb  2013 Terry Gosliner
 J. E.(Jed) and Bonnie McClellan 2005 California Academy of Sciences
 2019 jon thompson
|
|
Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort
native
Perennial herb  2020 Ron Vanderhoff
 2022 Ellen Uhler
 2013 Neal Kramer
|
|
Hydrophyllum occidentale California waterleaf, Western waterleaf
native
Perennial herb  2020 Susan McDougall
 2015 John Doyen
 2020 Susan McDougall
|
|
Hydrophyllum tenuipes Pacific waterleaf
native
Perennial herb  2007 Matt Below
 2019 Tristan K Cole
 2007 Matt Below
|
|
Hypericum anagalloides Creeping st. john's wort, Tinker's penny
native
Annual, Perennial herb  2019 Bob Sweatt
 2020 Joaquin Hale
 2021 Mike Russler
|
|
Hypericum beanii
|
|
Hypericum calycinum Aaron's beard
non-native
Shrub  2010 National Park Service
 2011 Tony Morosco
 2018 Brian Charles
|
|
Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2018 stephen rosenthal
 2008 Keir Morse
|
|
Hypericum scouleri Scouler's st john's wort
native
Perennial herb  2008 Keir Morse
 2014 Neal Kramer
 2018 Julie Kierstead Nelson
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear
• invasive non-native
Perennial herb  2008 Sean B. Smith
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Ilex aquifolium English holly, Holly
• invasive non-native
Tree, Shrub  2021 Cynthia Powell
 2005 Dr. Amadej Trnkoczy
 2021 Cynthia Powell
|
|
Iris douglasiana Douglas iris, Douglas' iris
native
Perennial herb  2020 R.A. Chasey
 2022 Suzanne L. Weakley
 2020 Susan McDougall
|
|
Iris innominata Del norte county iris
• rare native
Perennial herb (rhizomatous)  2010 Gerald Carr
 2010 Gerald Carr
 2010 Gerald Carr
|
|
Iris tenax ssp. klamathensis Klamath iris, Orleans iris
• rare native
Perennial herb (rhizomatous)  2012 Dana York
 2012 Dana York
 2012 Dana York
|
|
Iris tenuissima Iris, Longtube iris, Slender iris
native
Perennial herb  2013 Ron Clark
 2013 Julie Kierstead Nelson
 2009 Julie A. Kierstead
|
|
Isatis tinctoria Dyer's woad, Dyers woad
• invasive non-native
Biennial, Perennial herb  2005 Luigi Rignanese
 2019 Julie Kierstead Nelson
 2019 Julie Kierstead Nelson
|
|
Isolepis setacea Bristleleaf bulrush
non-native
Perennial grasslike herb  2004 Steve Matson
 2004 Steve Matson
 2004 Steve Matson
|
|
Juglans regia English walnut
non-native
Tree  2018 Ron Vanderhoff
 2003 Joseph Dougherty/ecology.org
 2019 Janice Kuch
|
|
Juncus bolanderi Bolander's rush
native
Perennial grasslike herb  2003 Steve Matson
 2010 Robert Steers
 2010 Robert Steers
|
|
Juncus breweri Brewer's rush
native
Perennial grasslike herb  2016 Steve Matson
 2016 Steve Matson
 2020 Adonis Tate
|
|
Juncus bufonius Common toad rush, Toad rush
native
Annual grasslike herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2004 James M. Andre
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus confusus Colorado rush
native
Perennial grasslike herb  2012 Gary A. Monroe
 2012 Gary A. Monroe
 2015 Steve Matson
|
|
Juncus effusus Bog rush, Common bog rush, Common rush
native
Perennial grasslike herb  2019 Patrick Furtado
 2019 Patrick Furtado
 2019 Eric Wrubel
|
|
Juncus effusus ssp. pacificus Pacific rush
native
Perennial grasslike herb  2007 Neal Kramer
 2021 John Rawlings
 2021 John Rawlings
|
|
Juncus hesperius Coast or bog rush
native
Perennial grasslike herb  2019 Patrick Furtado
 2021 John Rawlings
 2019 Patrick Furtado
|
|
Juncus lesueurii Dune rush
native
Perennial grasslike herb  2007 Neal Kramer
 2004 Steve Matson
 2004 Steve Matson
|
|
Juncus occidentalis Rush, Slender juncus, Western rush
native
Perennial grasslike herb  2007 Neal Kramer
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2014 Mike Wood
 2007 Neal Kramer
|
|
Juncus tenuis Poverty rush, Slender rush
native
Perennial grasslike herb  2020 Peter Warner
 2008 Keir Morse
 2009 Neal Kramer
|
|
Juncus tenuis var. congestus Rush, Slender juncus, Western rush
native
Perennial grasslike herb 2007 Neal Kramer
2015 Neal Kramer
2007 Neal Kramer
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb  2016 Erik Larsen
 2021 Stephen Rosenthal
 2017 Ron Vanderhoff
|
|
Juniperus communis Common juniper, Dwarf juniper
native
Shrub  2010 Louis-M. Landry
 2020 Bob Sweatt
 2010 Lee Dittmann
|
|
Juniperus communis var. saxatilis Common juniper
native
Shrub  2019 Bob Sweatt
 2005 Dean Wm. Taylor, Ph.D.
 2019 Bob Sweatt
|
|
Keckiella corymbosa Red beardtongue, Redwood keckiella
native
Shrub  2021 Mary Ann Machi
 2013 John Doyen
 2021 Mary Ann Machi
|
|
Koeleria cristata June grass, Prairie junegrass
native
Perennial grass  2003 Bart and Susan Eisenberg
 2011 RT Hawke
 2020 Julie A. Kierstead
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass 2003 Bart and Susan Eisenberg
2011 RT Hawke
2020 Julie A. Kierstead
|
|
Kopsiopsis strobilacea California ground-cone
native
Perennial herb (parasitic)  2020 Ralph Henson
 2015 Amy Rapport
 2019 Jonathan Lee
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2019 David popp
 2012 Vernon Smith
 2008 Jorg Fleige
|
|
Lapsana communis Common nipplewort, Nipplewort
non-native
Annual herb  2006 Louis-M. Landry
 2007 Luigi Rignanese
 2017 Hayley Ross
|
|
Lathyrus brownii Brown's brush pea
native
Perennial herb  1992 Gary A. Monroe
 2019 Julie Kierstead Nelson
 2016 John Doyen
|
|
Lathyrus delnorticus Del norte pea
• rare native
Perennial herb  2007 Norman Jensen
 2020 Kolby Lundgren
 2008 Keir Morse
|
|
Lathyrus japonicus Beach pea, Sea pea
• rare native
Perennial herb  2010 Louis-M. Landry
 2008 Louis-M. Landry
 2010 Louis-M. Landry
|
|
Lathyrus japonicus var. glaber Beach pea, Sea pea
• rare native
Perennial herb 2010 Louis-M. Landry
2008 Louis-M. Landry
2010 Louis-M. Landry
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb  2019 Julie Kierstead Nelson
 2008 Keir Morse
 2005 Dr. Amadej Trnkoczy
|
|
Lathyrus littoralis Beach pea, Silky beach pea
native
Perennial herb  2005 George W. Hartwell
 2005 George W. Hartwell
 2005 George W. Hartwell
|
|
Lathyrus nevadensis ssp. nevadensis Sierra nevada pea, Sierra pea
native
Perennial herb  2002 George W. Hartwell
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Lathyrus nevadensis var. nevadensis Sierra nevada pea, Sierra pea
native
Perennial herb 2002 George W. Hartwell
2019 Susan McDougall
2019 Susan McDougall
|
|
Lathyrus palustris Marsh pea
• rare native
Perennial herb  2008 Jennifer L. Kalt
 2015 Aaron Arthur
 2015 Aaron Arthur
|
|
Lathyrus pauciflorus ssp. brownii Brown's brush pea
native
Perennial herb 1992 Gary A. Monroe
2019 Julie Kierstead Nelson
2016 John Doyen
|
|
Lathyrus sphaericus Grass peavine
non-native
Annual herb  2008 Keir Morse
 2011 Ryan Batten
 2018 James Gonsman
|
|
Lathyrus torreyi Redwood pea, Torrey's pea
native
Perennial herb  2018 Hayley Ross
 2018 Hayley Ross
 2008 Jorg Fleige
|
|
Lathyrus vestitus Bolander's pea, Common pacific pea, Pacific peavine
native
Perennial herb  2018 Stacie Wolny
 2009 John W. Wall
 2019 Steve Conger
|
|
Lathyrus vestitus var. ochropetalus Bolander's pacific pea, Bolander's pea, Pale pacific pea
native
Perennial herb  2013 Ron Clark
 2013 Ron Clark
 2013 Ron Clark
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2022 Charles Russell
 2020 James Gonsman
|
|
Layia carnosa Beach layia, Beach tidytips
• rare native
Annual herb  2007 Aaron Schusteff
 2019 Scott Yarger
 2016 Steve Matson
|
|
non-native
Annual herb  2009 Zoya Akulova
 2015 Richard Spellenberg
 2009 Zoya Akulova
|
|
Leontodon saxatilis Hawkbit
non-native
Annual herb  2008 Steve Matson
 2008 Steve Matson
2009 Zoya Akulova
|
|
Lepidium didymum Lesser swine cress
non-native
Annual herb  2007 Neal Kramer
 2009 Neal Kramer
 2016 Ron Vanderhoff
|
|
Leptosiphon androsaceus False babystars
native
Annual herb  2019 Eliezer Margolis
 2020 R.A. Chasey
 2014 James Gonsman
|
|
Leptosiphon bicolor True babystars
native
Annual herb  2019 David Greenberger
 2019 Mary Conway
 2020 R.A. Chasey
|
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb  2019 Ken Lunders
 2020 Ron Vanderhoff
 2016 Ron Vanderhoff
|
|
Leucanthemum vulgare Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb 2005 Lisa Powers
Nick Kurzenko
2018 Brian Charles
|
|
Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage
native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Ligusticum californicum California licorice root, California lovage
native
Perennial herb  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Lilium bolanderi Bolander's lily
• rare native
Perennial herb (bulb)  2000 John Game
 2018 Anna Sereno
 2020 Kolby Lundgren
|
|
Lilium columbianum Columbia lily, Columbian lily, Oregon lily
native
Perennial herb  2018 Saskia Raether
 2016 Keir Morse
 2010 Kim Cabrera
|
|
Limnanthes douglasii ssp. nivea Snow white meadowfoam
native
Annual herb  2019 Cynthia Powell
 2015 John Doyen
 2019 Cynthia Powell
|
|
Linanthus bicolor ssp. bicolor True babystars
native
Annual herb 2019 David Greenberger
2019 Mary Conway
2020 R.A. Chasey
|
|
Linaria dalmatica Dalmatian toadflax
non-native
Perennial herb  2008 Thomas Stoughton
 2021 Diana Wing
 2005 Louis-M. Landry
|
|
Linaria genistifolia ssp. dalmatica Dalmatian toadflax
• invasive non-native
Perennial herb  2006 Steven Thorsted
 2001 CDFA
 2001 CDFA
|
|
Linum bienne Narrow leaved flax, Pale flax, Small flowered flax
non-native
Annual herb  2007 Steve Matson
 2014 James Gonsman
 2010 Neal Kramer
|
|
Listera banksiana Northwest twayblade
native
Perennial herb  2008 Norman Jensen
 2017 Barry Rice
 2019 Kolby Lundgren
|
|
Listera cordata Heart leaved twayblade, Heartleaf twayblade
• rare native
Perennial herb  2013 Dr. Amadej Trnkoczy
 2011 Jean Pawek
 2013 Dr. Amadej Trnkoczy
|
|
Lithophragma affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb  2020 Mary Conway
 2018 Steve Matson
 2018 Steve Matson
|
|
Lithophragma affine ssp. affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb 2020 Mary Conway
2018 Steve Matson
2018 Steve Matson
|
|
Lithophragma parviflorum Pink woodland star, Prairie star, Smallflower woodland star
native
Perennial herb  2019 Gary McDonald
 2022 Catherine Chang
 2019 Chico Hiking Association
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2013 Keir Morse
 2013 Keir Morse
 2017 Barbara Boethling
|
|
Lolium perenne ssp. multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass 2004 Carol W. Witham
2018 MCOSD EDRR
2003 James B. Gratiot
|
|
Lomatium dissectum Fern leaved lomatium, Fernleaf biscuitroot
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2007 Norman Jensen
|
|
Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium
native
Perennial herb  2018 Gary McDonald
 2021 John Game
 2018 Gary McDonald
|
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb  2019 Gary McDonald
 2020 Matt Berger
 2020 Matt Berger
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub  2019 Stacie Wolny
 2019 Stacie Wolny
 2021 Bryant Baker
|
|
Lonicera hispidula var. vacillans Pink honeysuckle
native
Vine, Shrub 2019 Stacie Wolny
2019 Stacie Wolny
2021 Bryant Baker
|
|
Lonicera involucrata Coast twinberry, Twin berry, Twinberry honeysuckle
native
Shrub  2021 Suzanne L. Weakley
 2014 James Gonsman
 2020 Susan McDougall
|
|
Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle
native
Shrub  2007 Neal Kramer
2020 Susan McDougall
 2011 Toni Corelli
|
|
Lonicera nitida
|
|
Lophochlaena refracta Nodding semaphore grass, Nodding semaphoregrass
• rare native
Perennial grass (rhizomatous)  2005 Doreen L. Smith
 2014 Sierra Pacific Industries
 2022 R.A. Chasey
|
|
Lotus aboriginum
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb  2005 Louis-M. Landry
 2019 Nathan Taxel
 2005 Dr. Amadej Trnkoczy
|
|
Lotus purshianus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Matt Berger
 2020 Bob Sweatt
 2019 Rachelle Gray
|
|
Lotus uliginosus Marsh lotus
non-native
Perennial herb  2006 Doreen L. Smith
 2009 Phil Pullen
 2009 Phil Pullen
|
|
Ludwigia peploides Floating primrose willow, Floating water primrose, Marsh purslane
• invasive non-native
Perennial herb  2019 Neal Kramer
 2007 Neal Kramer
 2012 Jean Pawek
|
|
Luina hypoleuca Little leaf luina, Littleleaf silverback
native
Perennial herb  2018 Matt Berger
 2018 Sierra Pacific Industries
 2019 Matt Berger
|
|
Lupinus andersonii Anderson's lupine
native
Perennial herb  2010 Keir Morse
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Lupinus arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub  2018 Juergen Blank
 2021 Mike Russler
 2018 Juergen Blank
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Gary McDonald
|
|
Lupinus bicolor ssp. umbellatus Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb 2019 Gary McDonald
2018 Stacie Wolny
2019 Gary McDonald
|
|
Lupinus latifolius Bigleaf lupine, Broad leaf lupine, Broadleaf lupine
native
Perennial herb  2001 Steven Thorsted
 2009 Thomas Stoughton
 2009 Thomas Stoughton
|
|
Lupinus latifolius ssp. latifolius Broad leaf lupine
native
Perennial herb  2009 Thomas Stoughton
 2017 Steve Matson
 2017 Steve Matson
|
|
Lupinus littoralis Seashore lupine
native
Perennial herb  2019 Justin Luong
 2021 Zoya Akulova-Barlow
 2021 Zoya Akulova
|
|
Lupinus nanus Sky lupine
native
Annual herb  2022 Doug Allshouse
 2019 Phyllis Fitzsimons
 2019 Phyllis Fitzsimons
|
|
Lupinus rivularis Riverbank lupine
native
Perennial herb  2005 John Pelafigue
 1995 Saint Mary's College of California
 2015 Aaron Arthur
|
|
Luzula comosa Common wood rush, Hairy wood rush, Pacific woodrush
native
Perennial grasslike herb  2019 Matt Berger
 2012 Alan Castner
 2003 Steve Matson
|
|
Luzula parviflora Small flowered wood rush, Smallflowered woodrush
native
Perennial grasslike herb  2005 George W. Hartwell
 2008 Louis-M. Landry
 2012 Aaron Arthur
|
|
Luzula subsessilis Pacific woodrush
native
Perennial grasslike herb  2013 Robert Steers/NPS
 2013 Robert Steers/NPS
|
|
Lycopodium clavatum Running clubmoss, Running pine
• rare native
Fern (rhizomatous)  2010 Louis-M. Landry
 2008 Zoya Akulova
 2018 Jonathan Lee
|
|
Lysichiton americanus American skunkcabbage, Yellow skunk cabbage
native
Perennial herb  Albert P. Bekker 1999 California Academy of Sciences
 2014 Susan McDougall
 2012 Terrence Gosliner
|
|
Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb  2016 Andrew Longman
 2009 Jorg Fleige
 2021 Cynthia Powell
|
|
Madia capitata Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2008 Keir Morse
 2021 David Wolfson
|
|
Madia elegans Common madia
native
Annual herb  2021 Jamie Spielmann
 2020 Diane Etchison
 2019 Bob Sweatt
|
|
Madia elegans ssp. elegans Common madia
native
Annual herb 2021 Jamie Spielmann
2020 Diane Etchison
2019 Bob Sweatt
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb  2021 Helen Hancock
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2019 David Magney
 2019 Ron Vanderhoff
 2019 David Magney
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb 2013 Ron Vanderhoff
2008 Keir Morse
2021 David Wolfson
|
|
Mahonia aquifolium Mountain grape, Mountaingrape, Oregon grape
native
Shrub 2020 Chico Hiking Association
2018 David popp
2006 Louis-M. Landry
|
|
Maianthemum dilatatum False lily of the valley, False lily of the vally, Pacific may lily
native
Perennial herb  2020 Doug Allshouse
 2020 Susan McDougall
 2008 Matt Below
|
|
Maianthemum racemosum Feathery false lily of the valley
native
Perennial herb  2020 Bob Sweatt
 2019 Stacie Wolny
 2018 Steve Matson
|
|
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley
native
Perennial herb 2020 Bob Sweatt
2019 Stacie Wolny
2018 Steve Matson
|
|
Maianthemum stellatum Starry false lily of the valley
native
Perennial herb  2020 Bob Sweatt
 2020 Jean Anderson
 2020 Susan McDougall
|
|
Malus fusca Oregon crab apple, Oregon crabapple
native
Tree, Shrub  2008 Matt Below
 2010 Zoya Akulova
 2018 Cynthia Powell
|
|
Malus pumila Paradise apple
non-native
Tree  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Malva neglecta Common mallow, Dwarf mallow
non-native
Annual, Perennial herb  2019 Randy Huey
 2019 Randy Huey
 2005 Brent Miller
|
|
Marah oreganus Coast man-root
native
Perennial herb, Vine  2013 Zoya Akulova
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Bob Sweatt
 2008 Keir Morse
|
|
Medicago arabica Spotted burclover, Spotted medick
non-native
Annual herb  2010 Aaron Arthur
 2012 Neal Kramer
 2009 Phil Pullen
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb  2003 Michael Charters
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Medicago sativa Alfalfa
non-native
Perennial herb  2020 Bob Sweatt
 2005 Louis-M. Landry
 2003 Michael Charters
|
|
Melica aristata Awned melic, Bearded melicgrass
native
Perennial grass  2011 Steve Matson
 2017 Belinda Lo
 2017 Belinda Lo
|
|
Melica geyeri Geyer's onion grass, Geyer's oniongrass
native
Perennial grass  2008 Keir Morse
 2013 Aaron Arthur
 2019 John Rawlings
|
|
Melica geyeri var. geyeri Geyer's onion grass, Geyer's oniongrass
native
Perennial grass 2008 Keir Morse
2013 Aaron Arthur
2019 John Rawlings
|
|
Melica harfordii Harford melic, Harford's melica, Harford's oniongrass
native
Perennial grass  2008 Keir Morse
 2017 Belinda Lo
 2008 Keir Morse
|
|
Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass
native
Perennial grass  2008 Keir Morse
 2010 Robert Steers/NPS
 2020 Sara Timby
|
|
Melilotus alba Yellow sweetclover
• invasive non-native
Annual, Biennial herb  2010 Jean Pawek
 2014 Robert F Norris
 2020 Bob Sweatt
|
|
Melilotus indica Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Mentha arvensis American wild mint, Field mint, Marsh mint
native
Perennial herb  2003 Steve Matson
 2013 Debra L. Cook
 2015 Barry Breckling
|
|
Mentha arvensis ssp. haplocalyx American wild mint, Field mint, Marsh mint
native
Perennial herb 2003 Steve Matson
2013 Debra L. Cook
2015 Barry Breckling
|
|
Mentha pulegium Pennyroyal
• invasive non-native
Perennial herb  2015 James Gonsman
 2010 National Park Service
 2014 James Gonsman
|
|
Mentha spicata Spearmint
non-native
Perennial herb  2008 Keir Morse
 2015 Barry Breckling
 2014 Zoya Akulova
|
|
Mentha spicata var. spicata Spearmint
non-native
Perennial herb 2008 Keir Morse
2015 Barry Breckling
2014 Zoya Akulova
|
|
Mentha Xpiperita Peppermint
non-native
Perennial herb  2019 Ron Vanderhoff
 1995 Saint Mary's College of California
|
|
Menziesia ferruginea Mock azalea, Rusty menziesia
native
Shrub  2011 Jean Pawek
 2015 Adrienne Simmons
 2008 Matt Below
|
|
Micranthes californica Greene's saxifrage
native
Perennial herb  2019 Matt Berger
 2002 Bart and Susan Eisenberg
 2016 Steve Matson
|
|
Micranthes howellii Howell's saxifrage
• rare native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2008 Norman Jensen
|
|
Micranthes integrifolia Smooth leaf saxifrage
native
Perennial herb  2008 Keir Morse
 2015 John Doyen
 2019 Julie Kierstead Nelson
|
|
Micranthes marshallii Marshall's saxifrage
• rare native
Perennial herb  2017 Barrett Jeffery
 2017 Barrett Jeffery
 2017 Barrett Jeffery
|
|
Micropus californicus Cotton top, Micropus, Q tips
native
Annual herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Micropus californicus var. californicus Q tips, Slender cottonweed
native
Annual herb  2015 Richard Spellenberg
 2012 Neal Kramer
 2022 R.A. Chasey
|
|
Microseris bigelovii Coast microseris, Coastal silverpuffs
native
Annual herb  2011 Ryan Batten
 2015 John Doyen
 2013 Al Keuter
|
|
Microseris laciniata Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb  1995 Saint Mary's College of California
 2006 Dean Wm. Taylor
|
|
Microseris laciniata ssp. leptosepala Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb  2013 Gerald Carr
 2013 Gerald Carr
 2013 Gerald Carr
|
|
Microseris laciniata var. siskiyouensis Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb 1995 Saint Mary's College of California
2006 Dean Wm. Taylor
|
|
Microseris nutans Nodding microceris, Nodding scorzonella, Perennial nodding microseris
native
Perennial herb  2003 Steve Matson
 2020 Bob Sweatt
 2015 Susan McDougall
|
|
Microsteris gracilis Slender phlox
native
Annual herb  2019 Matt Berger
 2003 Steve Matson
 2003 Steve Matson
|
|
Mimulus aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2019 Gary McDonald
|
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb  2021 Mike Russler
 2019 Ron Vanderhoff
 2021 Mike Russler
|
|
Mimulus dentatus Tooth leaved monkeyflower
native
Perennial herb  and Buff Corsi
© 2013 California Academy of Sciences
 2005 Jerry Murray
 2001 Steve Schoenig
|
|
Mimulus guttatus Seep monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2015 James Gonsman
 2019 Ron Vanderhoff
|
|
Mimulus guttatus var. guttatus Seep monkey flower
native
Annual, Perennial herb (rhizomatous) 2019 Stacie Wolny
2015 James Gonsman
2019 Ron Vanderhoff
|
|
Mimulus moschatus Musk monkeyflower
native
Perennial herb  2020 Belinda Lo
 2019 Matt Berger
 2018 Julie Kierstead Nelson
|
|
Minuartia californica California sandwort, Sandwort
native
Annual herb  2021 Steve Matson
 2021 Steve Matson
 2021 Steve Matson
|
|
Minuartia douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb 2005 Steve Matson
2015 Barry Thomson
2014 Keir Morse
|
|
Minuartia howellii Howell's sandwort, Howell's stitchwort
native
Perennial herb  2008 Nathan Bello
 2008 Nathan Bello
 2008 Nathan Bello
|
|
Modiola caroliniana Carolina bristle mallow, Carolina bristlemallow
non-native
Perennial herb  2009 Jorg Fleige
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort
native
Perennial herb  2011 Jean Pawek
 2008 Keir Morse
 2016 Steve Matson
|
|
Mollugo verticillata Green carpetweed, Indian chickweed
non-native
Annual herb  2008 Keir Morse
 2013 Michael Long
 2004 Carol W. Witham
|
|
Monardella sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella
native
Perennial herb  2020 Chico Hiking Association
 2009 Barry Breckling
 2008 Keir Morse
|
|
Monardella villosa Coyote mint
native
Perennial herb  2020 Mary Sue Ittner
 2019 Patrick Furtado
 2019 Patricia Ashe
|
|
Monardella villosa ssp. sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella
native
Perennial herb 2020 Chico Hiking Association
2009 Barry Breckling
2008 Keir Morse
|
|
Moneses uniflora Oneflower wintergreen, Single delight, Woodnymph
• rare native
Perennial herb  2011 Louis-M. Landry
 2004 Dr. Amadej Trnkoczy
 2015 Dana York
|
|
Moneses uniflora var. reticulata Oneflower wintergreen, Single delight, Woodnymph
• rare native
Perennial herb 2011 Louis-M. Landry
2004 Dr. Amadej Trnkoczy
2015 Dana York
|
|
Monotropa hypopithys Pinesap
native
Perennial herb (mycoparasitic)  2016 Wynn Anderson
 2010 Keir Morse
 2010 Sangeet Khalsa
|
|
Monotropa uniflora Ghost pipe
• rare native
Perennial herb (mycoparasitic)  2005 George Rembert
 2019 Matt C. Berger
 2005 Louis-M. Landry
|
|
Montia diffusa Diffuse miner's lettuce, Spreading minerslettuce
native
Annual herb  2005 Doreen L. Smith
 2020 Alexandra Kookootsedes
 2014 Vernon Smith
|
|
Montia fontana Annual water minerslettuce, Water chickweed, Water montia
native
Annual herb  2008 Keir Morse
 2004 Carol W. Witham
 2009 Keir Morse
|
|
Montia howellii Howell's minerslettuce, Howell's montia
• rare native
Annual herb  2004 Dean Wm. Taylor
 2009 Jennifer Wheeler, BLM Arcata Field Office
 2008 Sierra Pacific Industries
|
|
Montia minor Annual water minerslettuce, Water chickweed, Water montia
native
Annual herb 2008 Keir Morse
2004 Carol W. Witham
2009 Keir Morse
|
|
Montia parvifolia Littleleaf minerslettuce, Showy rock montia
native
Perennial herb  2019 David Greenberger
 2017 Steve Matson
 2020 Bob Sweatt
|
|
Montia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb 2007 Aaron Schusteff
2017 Steve Matson
2017 Steve Matson
|
|
Muhlenbergia filiformis Pullup muhly, Slender muhly
native
Annual, Perennial grass  2005 Steve Matson
 2001 Gary A. Monroe
 2020 Susan McDougall
|
|
Myosotis discolor Changing forget me not, yellow and blue forget-me-not
non-native
Annual herb  2007 Neal Kramer
 2015 John Doyen
 2013 Ron Wolf
|
|
Myosotis latifolia Broadleaf forget me not, Forget me not, Wide leaved forget me not
• invasive non-native
Perennial herb  2019 Cynthia Powell
 2018 Tim Lewis
 2018 MCOSD EDRR
|
|
Myosotis sylvatica Woodland forget me not
• invasive non-native
Perennial herb  2004 Dr. Amadej Trnkoczy
 2011 Louis-M. Landry
 2011 Louis-M. Landry
|
|
Myrica californica California wax myrtle
native
Shrub  2008 Neal Kramer
 2020 Susan McDougall
 2008 Keir Morse
|
|
Narcissus pseudonarcissus Daffodil
non-native
Perennial herb (bulb)  2018 Abbot Chambers
 2019 Colleen Herr
 2007 Ram Vasudev
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic)  2019 Patrick Furtado
 2019 Diane Etchison
 2016 Joan Hampton
|
|
Navarretia squarrosa Skunkbush, Skunkweed
native
Annual herb  2019 Marisa Persaud
 2019 Patrick Furtado
 2007 Neal Kramer
|
|
Nemophila menziesii Baby blue eyes
native
Annual herb  2019 Matt Berger
 2019 Diane Etchison
 2010 Zoya Akulova
|
|
Nemophila parviflora Small flowered nemophila, Smallflower nemophila
native
Annual herb  2008 Keir Morse
 2015 Chris Wagner
 2008 Keir Morse
|
|
Nemophila parviflora var. parviflora Small flowered nemophila, Smallflower nemophila, Woodland nemophila
native
Annual herb  2019 John Rawlings
 2021 Zoya Akulova-Barlow
 2007 Neal Kramer
|
|
native
Tree, Shrub  2007 Neal Kramer
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Notholithocarpus densiflorus var. echinoides Tanoak shrub
native
Tree, Shrub  2013 Neal Kramer
 2019 Susan McDougall
 2007 Julie Kierstead Nelson
|
|
Nuphar luteum
|
|
Nuphar polysepala Rocky mountain pond-lily
native
Perennial herb (aquatic)  2019 Julie Kierstead Nelson
 2019 Julie Kierstead Nelson
 2018 Chico Hiking Association
|
|
Oemleria cerasiformis Indian plum, Oso berry
native
Shrub  2019 Stacie Wolny
 2019 Margo Bors
 2019 Stacie Wolny
|
|
Oenanthe sarmentosa Pacific oenanthe, Water parsley
native
Perennial herb  2002 Brad Kelley
 2009 Dr. Mark S. Brunell
 2008 Keir Morse
|
|
Oenothera glazioviana Red sepaled evening primrose, Redsepal evening primrose
non-native
Perennial herb  2007 Dr. Amadej Trnkoczy
 2007 Dr. Amadej Trnkoczy
 2007 Dr. Amadej Trnkoczy
|
|
Oenothera wolfii Wolf's evening primrose
• rare native
Perennial herb  2021 Scott Yarger
 2001 Lindsay Herrera
 1995 Saint Mary's College of California
|
|
Origanum vulgare ssp. hirtum Oregano
non-native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2020 Jennifer Mo
|
|
Orobanche fasciculata Clustered broomrape
native
Perennial herb (parasitic)  2016 Jim Xerogeanes
 2020 Bob Sweatt
 2016 Yolanda Waddell
|
|
Orobanche uniflora Purple broomrape
Annual herb  2011 Gerald Carr
 2020 Susan McDougall
 2011 Gerald Carr
|
|
Orobanche uniflora var. purpurea Purple broomrape
Annual herb 2011 Gerald Carr
2020 Susan McDougall
2011 Gerald Carr
|
|
Orobanche uniflora var. sedii Purple broomrape
Annual herb 2011 Gerald Carr
2020 Susan McDougall
2011 Gerald Carr
|
|
Osmorhiza berteroi Sweet cicely
native
Perennial herb  2019 David Magney
 2006 Steve Matson
 2020 Bob Sweatt
|
|
Osmorhiza occidentalis Mountain sweet cicely, Western sweet cicely, Western sweetroot
native
Perennial herb  2020 Bob Sweatt
 2008 Keir Morse
 2015 Barry Breckling
|
|
Osmorhiza purpurea Purple sweet cicely, Purple sweetroot
native
Perennial herb  2014 Susan McDougall
 2013 Steve Matson
 2013 Steve Matson
|
|
Oxalis albicans ssp. pilosa Hairy wood sorrel
native
Annual herb  2022 R.A. Chasey
 2009 Avis Boutell
 2022 Cynthia Powell
|
|
Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel
• invasive non-native
Perennial herb  2008 Gary McDonald
 2007 Dr. Amadej Trnkoczy
 2011 Neal Kramer
|
|
Oxalis incarnata Crimson woodsorrel
non-native
Perennial herb  2009 Neal Kramer
 2010 Robert Steers/NPS
|
|
Oxalis oregana Redwood sorrel
native
Perennial herb  2020 Kim Cabrera
 2021 Cyril Guyot
 2020 Janice Kuch
|
|
Oxalis suksdorfii Suksdorf woodsorrel
• rare native
Perennial herb  Barrett Jeffery
 Barrett Jeffery
 Barrett Jeffery
|
|
Packera bolanderi var. bolanderi Bolander's ragwort, Seacoast ragwort
• rare native
Perennial herb  2009 Gerald Carr
 2009 Gerald Carr
 2009 Gerald Carr
|
|
Panicum acuminatum Western panicgrass, Western panicum, Western witch grass
native
Perennial grass  2004 Laura Ann Eliassen
 2009 Julie Kierstead Nelson
 2020 Julie A. Kierstead
|
|
Panicum acuminatum var. acuminatum Western panicgrass, Western panicum, Western witch grass
native
Perennial grass 2004 Laura Ann Eliassen
2009 Julie Kierstead Nelson
2020 Julie A. Kierstead
|
|
Panicum pacificum Pacific panic grass
native
Perennial grass  2013 Robert Steers/NPS
 2017 Belinda Lo
 2012 Ove Anderson
|
|
Parentucellia viscosa Yellow glandweed, Yellow parentucellia
• invasive non-native
Annual herb  2018 Parker Santiago
 2017 Eric Wrubel
 2019 Ramona Robison
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass  2018 Ron Vanderhoff
 2006 Steven Thorsted
 2009 Barry Rice
|
|
Pectiantia ovalis Coastal miterwort
native
Perennial herb  2015 Vernon Smith
 2012 Aaron Arthur
 2011 Zoya Akulova
|
|
Penstemon rattanii Rattan's beardtongue
native
Perennial herb  2012 Gary A. Monroe
 2013 Dana York
 2012 Dylan Neubauer
|
|
Penstemon rattanii var. rattanii Rattan's beardtongue
native
Perennial herb  2013 Dana York
 2013 Dana York
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2014 James Gonsman
|
|
Perideridia gairdneri Gairdner's yampah, Gardner's yampah
native
Perennial herb  2007 Neal Kramer
 2004 Bob Huettmann
 2013 Jake Ruygt
|
|
Perideridia kelloggii Kellogg's yampah, Yampah
native
Perennial herb  2007 Neal Kramer
 2007 Neal Kramer
 2020 David popp
|
|
Persicaria maculosa Spotted ladysthumb
non-native
Annual herb  2008 Keir Morse
 2017 Bob Stahmer
 2008 Louis-M. Landry
|
|
Persicaria punctata Dotted smartweed
native
Perennial herb  2014 Neal Kramer
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Petasites frigidus Arctic sweet coltsfoot
native
Perennial herb  2020 Trevor Schalla
 2018 Saskia Raether
 2011 Ron Wolf
|
|
Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot
native
Perennial herb 2011 Ron Wolf
 2020 Susan McDougall
 2006 Julie Kierstead Nelson
|
|
Petrorhagia dubia Hairypink, Pink grass, Wilding pink
non-native
Annual herb  2016 Bill Thiessen
 2019 Chico Hiking Association
 2019 Joe Engelbrecht
|
|
Phacelia bolanderi Bolander's phacelia, Redwood phacelia
native
Perennial herb  2009 Zoya Akulova
 2021 Don Hollander
 2021 Don Hollander
|
|
Phacelia heterophylla ssp. virgata Varied leaf phacelia
native
Perennial herb  2019 Susan McDougall
 2006 Steve Matson
 2019 Susan McDougall
|
|
Phacelia nemoralis Shade phacelia, Woods phacelia
native
Perennial herb  2012 Aaron Schusteff
 2014 Genevieve K. Walden
 1995 Saint Mary's College of California
|
|
Phacelia ramosissima Branching phacelia
native
Perennial herb  2011 Neal Kramer
 2020 Bob Sweatt
 2020 Ron Vanderhoff
|
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass  2019 James Bailey
 2019 James Bailey
 2017 James Bailey
|
|
Phalaris arundinacea Reed canarygrass
native
Perennial grass  2008 Keir Morse
 2009 Barry Rice
 2020 Donald Burk
|
|
Phalaris californica California canarygrass, Canarygrass
native
Perennial grass  2017 Toni Corelli
 2017 Toni Corelli
 2018 Brian Charles
|
|
Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass
non-native
Annual grass  2006 James M. Andre
 2014 Steve Matson
 2020 Diane Etchison
|
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass  2004 Carol W. Witham
 2007 Luigi Rignanese
 2007 Luigi Rignanese
|
|
Phalaris tuberosa Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass 2019 James Bailey
2019 James Bailey
2017 James Bailey
|
|
Philadelphus californicus Lewis' mock orange, Mock orange, Wild mock orange
native
Shrub  2003 Christopher L. Christie
 2008 Keir Morse
 2016 Steve Matson
|
|
Philadelphus lewisii Lewis' mock orange, Mock orange, Wild mock orange
native
Shrub 2003 Christopher L. Christie
2008 Keir Morse
2016 Steve Matson
|
|
Phleum pratense Common timothy, Cultivated timothy, Timothy
non-native
Perennial grass  2019 Julie Kierstead Nelson
 2005 Louis-M. Landry
 2008 Keir Morse
|
|
Phlox diffusa Spreading phlox
native
Perennial herb  2018 Saskia Raether
 2019 Talila Golan
 2009 Keir Morse
|
|
Phlox diffusa ssp. diffusa Spreading phlox
native
Perennial herb 2018 Saskia Raether
2019 Talila Golan
2009 Keir Morse
|
|
Phlox speciosa Showy phlox
native
Perennial herb  2019 Steve Matson
 2020 Julie A. Kierstead
 2020 David Self
|
|
Phoradendron villosum Mistletoe
native
Shrub (parasitic)  2021 R.A. Chasey
 2020 R.A. Chasey
 2019 Ron Vanderhoff
|
|
Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark
native
Shrub  2016 Suzanne L. Weakley
 2018 Stacie Wolny
 2018 Julian Geoghegan
|
|
Picea sitchensis Sitka spruce
native
Tree  2018 Richard Spjut
 2016 Steve Matson
 2021 Julie A. Kierstead
|
|
Pinus attenuata Knobcone pine, Scrub pine
native
Tree  2009 Ron Vanderhoff
 2018 Hayley Ross
 2008 Keir Morse
|
|
Pinus contorta Beach pine, Lodgepole pine
native
Tree  2019 Jay Chamberlain
 2018 Tricia Bippus
 2019 Greg Kareofelas
|
|
Pinus halepensis Aleppo pine
non-native
Tree  2006 Dr. Amadej Trnkoczy
 2018 Ron Vanderhoff
 2010 Michael O'Brien
|
|
Piperia elegans Coast piperia, Elegant piperia, Elegant rein orchid
native
Perennial herb  2019 John Rawlings
 2018 Alexandra Kookootsedes
 2013 Robert Sikora
|
|
Piperia elegans ssp. elegans Elegant piperia
native
Perennial herb  2018 Saskia Raether
 2011 Chris Winchell
 2017 Nicole Mercier
|
|
Pityopus californica California pinefoot, Pityopus
native
Perennial herb (mycoparasitic)  2010 Sean B. Smith
|
|
• rare native
Perennial herb (mycoparasitic)  2015 Debra L. Cook
 1981 Robert E. Preston, Ph.D.
 2009 Barry Rice
|
|
Pityrogramma triangularis Gold back fern
native
Fern 2019 Ron Vanderhoff
2008 Keir Morse
2014 James Gonsman
|
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb  2019 Ron Vanderhoff
 2019 Diane Etchison
 2019 Ron Vanderhoff
|
|
Plantago bigelovii ssp. bigelovii Annual coast plantago, Coastal plantain, Long leaf plantain
native
Annual herb  2010 Gary A. Monroe
 2019 Ron Vanderhoff
 2015 Keir Morse
|
|
Plantago coronopus Buckhorn plantain, Cut leaf plantain
• invasive non-native
Annual herb  2008 Jorg Fleige
 2021 Zoya Akulova-Barlow
 2003 George W. Hartwell
|
|
Plantago elongata Annual coast plantago, Coastal plantain, Long leaf plantain
native
Annual herb 2010 Gary A. Monroe
2019 Ron Vanderhoff
2015 Keir Morse
|
|
Plantago hirtella var. galeottiana Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb  2008 Neal Kramer
 2016 Neal Kramer
 2020 Janice Kuch
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2019 Joe Engelbrecht
|
|
Plantago major Common plantain
non-native
Perennial herb  2019 Bob Sweatt
 2009 Barry Breckling
 2013 Debra L. Cook
|
|
Plantago maritima Alkali plantain, Goose tongue, Maritime plantain
native
Perennial herb  2002 Margo Bors
 2007 Neal Kramer
 2014 Zoya Akulova
|
|
Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb 2008 Neal Kramer
2016 Neal Kramer
2020 Janice Kuch
|
|
Plectritis congesta Sea blush, Shortspur seablush
native
Annual herb  2022 Richard Sullivan
 2022 Richard Sullivan
 2015 Aaron Schusteff
|
|
Plectritis congesta ssp. brachystemon Shortspur seablush
native
Annual herb  2011 Jorg & Mimi Fleige
 2013 Al Keuter
 2005 Steve Matson
|
|
Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis
native
Annual herb  2019 Gary McDonald
 2020 Bob Sweatt
 2009 Keir Morse
|
|
Pleuricospora fimbriolata Fringed pinesap
native
Perennial herb (mycoparasitic)  2020 Shane Hanofee
 2019 Peter Warner
 2005 Brent Miller
|
|
Pleuropogon refractus Nodding semaphore grass, Nodding semaphoregrass
• rare native
Perennial grass (rhizomatous) 2005 Doreen L. Smith
2014 Sierra Pacific Industries
2022 R.A. Chasey
|
|
Poa compressa Canada blue grass, Canada bluegrass
non-native
Perennial grass  2006 Louis-M. Landry
 2006 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Poa howellii Howell's blue grass, Howell's bluegrass
native
Annual grass  2011 Christopher Bronny
 2018 Ken Hickman
 2019 John Rawlings
|
|
Poa kelloggii Kellogg's bluegrass, Redwood blue grass
native
Perennial grass  2021 Chris Brant
 2022 John Rawlings
 2021 Chris Brant
|
|
Poa piperi Piper's blue grass, Piper's bluegrass
• rare native
Perennial grass (rhizomatous)  2018 Dana York
 2018 Dana York
 2018 Dana York
|
|
Poa pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
|
