| ||||||
|
Redwood National Park plant list from NPS IRM
Humboldt County |
|
|||||
| (2018-03-26) | ||||||
| 1095 PLANTS |
|
Abelia Xgrandiflora Glossy abelia
non-native
Perennial herb 
2022 Andy Ford
2008 Forest & Kim Starr
2014 Richard Chasey
|
|
Abronia latifolia Coastal sand verbena, Sand verbena, Yellow sand verbena
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Abronia umbellata Beach sand verbena, Pink sand verbena, Purple sand verbena
native
Perennial herb 
2021 Meghan Lindt
2018 Ken Hickman
2018 Mary Conway
|
|
Abronia umbellata var. breviflora Pink sand-verbena
• rare native
Perennial herb 
2021 Scot Loring
2021 Scot Loring
2019 Lenihan Mazur
|
|
Acacia dealbata Silver wattle
• invasive non-native
Tree, Shrub 
2019 Gary McDonald
2023 Ron Vanderhoff
2019 Gary McDonald
|
|
Acacia mearnsii Black wattle
non-native
Tree, Shrub 
2013 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree 
2016 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Achillea millefolium Common yarrow
native
Perennial herb 
2022 Andy Ford
2020 Bob Sweatt
2018 Gary McDonald
|
|
Achlys triphylla Sweet after death
native
Perennial herb 
2020 Steve Conger
2021 Dana York
2019 Cynthia Powell
|
|
Achlys triphylla ssp. tryphylla Sweet after death
native
Perennial herb
2020 Steve Conger
2021 Dana York
2019 Cynthia Powell
|
|
Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus
native
Annual herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Acmispon parviflorus Hill lotus
native
Annual herb 
2008 Steve Matson
2005 Steve Matson
2008 Steve Matson
|
|
Actaea rubra baneberry, Western baneberry
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2002 Gerald Carr
|
|
Adenocaulon bicolor American trailplant, Trail plant
native
Perennial herb 
2018 MCOSD EDRR
2020 Cynthia Powell
2020 Bob Sweatt
|
|
Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot
native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
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
|
|
Agoseris grandiflora Bigflower agoseris, California dandelion, Giant mountain dandelion
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Agrostis alba Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass 
2023 Dana York
2023 Dana York
2022 John Rawlings
|
|
Agrostis capillaris Colonial bentgrass
non-native
Perennial grass  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass 
2022 Teal Derrer
2021 David popp
2022 John Rawlings
|
|
Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass
2023 Dana York
2023 Dana York
2022 John Rawlings
|
|
Agrostis hallii Hall redtop, Hall's bent grass, Hall's bentgrass
native
Perennial grass  2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis hallii var. hallii Hall redtop, Hall's bent grass, Hall's bentgrass
native
Perennial grass 2005 Steve Matson
2005 Steve Matson
|
|
Agrostis idahoensis Colonial bentgrass, Idaho bentgrass
native
Perennial grass  2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis microphylla Little leaf bentgrass, Small leaf bentgrass, Small leaved bentgrass
native
Annual grass 
2023 John Rawlings
2023 John Rawlings
2023 John Rawlings
|
|
Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass 
2018 Rachelle Gray
2018 Rachelle Gray
2018 Rachelle Gray
|
|
Agrostis tenuis var. aristata Colonial bentgrass
non-native
Perennial grass 2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Aira praecox Yellow hairgrass
• invasive non-native
Annual grass 
2018 Ken Hickman
2022 John Rawlings
2010 National Park Service
|
|
Allium falcifolium Scytheleaf onion, Sickle leaf onion
native
Perennial herb (bulb) 
2011 Steve Matson
2022 Steve Matson
2011 Steve Matson
|
|
Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion
• invasive non-native
Perennial herb (bulb) 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick
native
Perennial herb (mycoparasitic) 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Alnus rubra Oregon alder, Red alder
native
Tree, Shrub 
2023 Michael Perlmutter
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail
native
Perennial grass 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Alopecurus geniculatus Marsh foxtail, Water foxtail
native
Perennial grass  2013 Robert Sikora
 2021 Aaron Arthur
 2009 Trent M. Draper
|
|
Amaryllis belladonna Belladonna lily
non-native
Perennial herb 
2016 Camille Nowell
2023 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Ambrosia chamissonis Beach bur, Silver beachweed
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Amelanchier alnifolia Saskatoon serviceberry, Service berry
native
Shrub 
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Amelanchier alnifolia var. semiintegrifolia Pacific serviceberry, Service berry
native
Shrub 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Amelanchier pallida Pale serviceberry, Pallid serviceberry, Sarvis
native
Shrub 
2011 John Doyen
2011 John Doyen
2010 Margo Bors
|
|
Amelanchier utahensis Pale leaved serviceberry, Service berry, Utah service berry
native
Shrub 
2022 R.A. Chasey
2021 Robert Steers
2022 R.A. Chasey
|
|
Ammophila arenaria Beachgrass, European beach grass, European beachgrass
• invasive non-native
Perennial grass 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Amsinckia intermedia Common fiddleneck
native
Annual herb 
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Amsinckia lycopsoides Bugloss fiddleneck, Tarweed fiddleneck
native
Annual herb 
2021 David popp
2023 Catherine Chang
2022 Catherine Chang
|
|
Amsinckia menziesii var. intermedia Common fiddleneck
native
Annual herb
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb 
2017 B.J. Dion
2022 Chris McDonald
2023 Ron Vanderhoff
|
|
Anaphalis margaritacea Pearly everlasting
native
Perennial herb 
2020 Bob Sweatt
2021 Ken Lunders
2014 James Gonsman
|
|
Anemone deltoidea Columbian windflower
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2021 Steve Matson
|
|
Anemone oregana Blue windflower, Oregon anemone, Western wood anenome
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Anemone oregana var. oregana Blue windflower
native
Perennial herb 
2008 Gerald Carr
2023 Dana York
2023 Dana York
|
|
Angelica genuflexa Kneeling angelica
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Angelica hendersonii Coast angelica, Henderson's angelica
native
Perennial herb 
2020 Suzanne L. Weakley
2021 Jamie Spielmann
2022 Diana Wahl
|
|
Angelica tomentosa Woolly angelica
native
Perennial herb 
2022 Donald Burk
2022 Donald Burk
2017 MCOSD EDRR
|
|
Angelica tomentosa var. hendersonii Coast angelica, Henderson's angelica
native
Perennial herb
2020 Suzanne L. Weakley
2021 Jamie Spielmann
2022 Diana Wahl
|
|
Angelica tomentosa var. tomentosa Woolly angelica
native
Perennial herb
2022 Donald Burk
2022 Donald Burk
2017 MCOSD EDRR
|
|
Anisocarpus madioides Woodland madia
native
Perennial herb 
2023 Suzanne L. Weakley
2023 R.A. Chasey
2016 Cynthia Powell
|
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb 
2017 Diane Etchison
2019 Nathan Taxel
2019 Dave Beller
|
|
Anthoxanthum aristatum Annual vernal grass, Annual vernalgrass
non-native
Annual grass 
2006 Gerald Carr
2006 Gerald Carr
2014 Zoya Akulova (ssp. aristatum)
|
|
Anthoxanthum occidentale Califonria sweet grass, Vanilla grass
native
Perennial grass 
2022 John Rawlings
2022 R.A. Chasey
2022 John Rawlings
|
|
Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass
• invasive non-native
Annual, Perennial grass 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Aphanes occidentalis Western lady's mantle
native
Annual, Perennial herb 
2019 Ron Vanderhoff
2017 Ron Vanderhoff
2021 David popp
|
|
Apocynum androsaemifolium Bitter dogbane, Spreading dogbane
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine
native
Perennial herb 
2022 Charles Russell
2019 Diane Etchison
2022 David Strauch
|
|
Aquilegia formosa var. truncata Crimson columbine, Sitka columbine, Western columbine
native
Perennial herb
2022 Charles Russell
2019 Diane Etchison
2022 David Strauch
|
|
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
2016 Steve Matson
2007 Gerald Carr
|
|
Aralia californica California spikenard, Elk's clover, Elkclover
native
Perennial herb 
2022 Julie A. Kierstead
2020 Tri Do
2014 James Gonsman
|
|
Araucaria araucana Small Tree-Mallow
|
|
Arbutus menziesii Madrono, Pacific madrone
native
Tree 
2021 Cynthia Powell
2021 R.A. Chasey
2021 Hunter Breck
|
|
Arbutus unedo Strawberry tree
non-native
Tree 
2018 Catherine Capone
2018 Catherine Capone
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 
2018 Melissa Brooks Kraemer
2018 Melissa Brooks Kraemer
2021 Donald Burk
|
|
Arctostaphylos canescens Hoary manzanita
native
Shrub 
2015 Robert Steers
2019 Elliot Gunnison
2018 Cynthia Powell
|
|
Arctostaphylos columbiana Hairy manzanita, Redwood manzanita
native
Tree, Shrub 
2020 R.A. Chasey
2023 Dana York
2020 R.A. Chasey
|
|
Arctostaphylos hispidula Howell's manzanita
• rare native
Shrub 
2023 Dana York
2019 Adam Chasey
2023 Dana York
|
|
Arctostaphylos manzanita Common manzanita
native
Shrub 
2022 Cynthia Powell
2019 R.A. Chasey
2019 Julie Kierstead Nelson
|
|
Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita
native
Shrub 
2015 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita
native
Shrub
2015 Steve Matson
2005 Steve Matson
2015 Steve Matson
|
|
Arctostaphylos uva-ursi Bearberry manzanita, Kinnikinnick
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Arctostaphylos viscida Sticky whiteleaf manzanita
native
Tree, Shrub 
2019 Sarah Williams
2011 Steve Matson
2019 Julie Kierstead Nelson
|
|
Arenaria douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb 
2020 David Self
2018 James Gonsman
2010 Michael Mitchell
|
|
Armeria maritima ssp. californica California sea pink, California seapink, Sea pink or thrift
native
Perennial herb 
2022 R.A. Chasey
2017 Mary Sue Ittner
2019 Amy Rapport
|
|
Arnica cordifolia Heart leaved arnica, Heartleaf arnica
native
Perennial herb 
2022 Cynthia Powell
2006 Keir Morse
2003 Steve Matson
|
|
Arnica spathulata Klamath arnica
• rare native
Perennial herb (rhizomatous) 
2007 Gerald Carr
2023 Dana York
2023 Dana York
|
|
Arnica Xdiversifolia Sticky leaf arnica
native
Perennial herb 
2012 Dana York
2012 Dana York
2009 Barry Breckling
|
|
Arrhenatherum elatius Tall oatgrass
non-native
Perennial grass 
2020 Doug Allshouse
2021 John Rawlings
2019 Julian Geoghegan
|
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb 
2022 Ron Vanderhoff
2016 Glen Schneider
2021 Mike Russler
|
|
Artemisia suksdorfii Coastal mugwort
native
Perennial herb 
2020 Susan McDougall
2019 Jonathan Lee
1995 Saint Mary's College of California
|
|
Aruncus dioicus var. acuminatus goatsbeard
native
Perennial herb 
2014 Matt Berger
2019 Richard Spjut
2013 John Doyen
|
|
Asarum caudatum Creeping wild ginger, Longtail wild ginger
native
Perennial herb 
2023 Dana York
2022 Jamie Spielmann
2016 Richard Chasey
|
|
Aspidotis densa Cliffbrake, Lace fern
native
Fern 
2022 Christopher Collier
2019 Matt Berger
2015 James Gonsman
|
|
Aster spathulatus Western mountain aster
native
Perennial herb 
2013 Steve Matson
2016 Steve Matson
2013 Steve Matson
|
|
Asyneuma prenanthoides California harebell
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Athyrium filix-femina Common ladyfern
native
Fern 
2019 Julie Kierstead Nelson
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Athyrium filix-femina var. cyclosorum Common lady fern, Subarctic lady fern, Western lady fern
native
Fern 
2021 R.A. Chasey
2018 David popp
2021 John Rawlings
|
|
Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale
native
Perennial herb 
2006 Avis Boutell
2019 Diane Etchison
2020 Ken Hickman
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass 
2018 Julian Geoghegan
2023 David popp
2019 Ron Vanderhoff
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass 
2018 Gary McDonald
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Avena sativa Common oats, Cultivated oats, Wild oat
non-native
Annual, Perennial grass 
2016 Cynthia Powell
2021 John Rawlings
2006 Louis-M. Landry
|
|
Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub 
2022 Ryan O'Dell
2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
2018 Cynthia Powell
|
|
Baccharis pilularis ssp. consanguinea Coyote brush
native
Shrub 
2009 Toni Corelli
2022 John Doyen
2018 Ron Vanderhoff
|
|
Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb 
2015 James Gonsman
2019 Diane Etchison
2020 Diane Etchison
|
|
Barbarea orthoceras var. dolichocarpa American rocket, American wintercress, Erectpod wintercress
native
Perennial herb
2015 James Gonsman
2019 Diane Etchison
2020 Diane Etchison
|
|
Bellis perennis English daisy, English lawn daisy
• invasive non-native
Perennial herb 
2019 Ron Vanderhoff
2023 Donald Burk
2020 Bob Sweatt
|
|
Berberis aquifolium Mountain grape, Mountaingrape, Oregon grape
native
Shrub 
2022 Cara Wilcox
2021 Mike Russler
2021 Mike Russler
|
|
Berberis aquifolium var. aquifolium Oregon grape, Piper's barberry
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Berberis aquifolium var. repens Creeping oregon grape, Dwarf mahonia
native
Shrub 
2021 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Berberis darwinii Darwin's berberis
• invasive non-native
Shrub 
2018 Abbot Chambers
2016 Greg O'Connell
2022 David Strauch
|
|
Berberis nervosa Cascades oregon grape, Oregongrape
native
Shrub 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Berberis pinnata California barberry, Coast barberry, Shiny leaf mahonia
native
Shrub 
2021 Ron Vanderhoff
2022 Alice Cummings
2021 Ron Vanderhoff
|
|
Bidens frondosa Devil's beggartick, Sticktight
native
Annual herb 
2020 R.A. Chasey
2020 Bob Sweatt
2020 R.A. Chasey
|
|
Boykinia elata Brook foam, Coastal brookfoam, Western boykinia
native
Perennial herb 
2014 James Gonsman
2017 Hunter Breck
2021 Bryant Baker
|
|
Boykinia major Large boykinia, Mountain boykinia, Stream boykinia
native
Perennial herb 
2021 Mike Russler
2018 Julie Kierstead Nelson
2021 Mike Russler
|
|
Boykinia occidentalis Brook foam, Coastal brookfoam, Western boykinia
native
Perennial herb
2014 James Gonsman
2017 Hunter Breck
2021 Bryant Baker
|
|
Brassica campestris Field mustard, Turnip
• invasive non-native
Annual herb 
2017 Barbara Boethling
2017 Cynthia Powell
2018 Angelique Herman
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb 
2021 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
2024 David Wolfson
2021 Diane Etchison
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 
2023 R.A. Chasey
2019 Gary McDonald
2019 Gary McDonald
|
|
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 
2008 Steve Matson
2023 Melissa Harbert
2019 Steve Laymon
|
|
Brodiaea terrestris Dwarf brodiaea
native
Perennial herb 
2023 Steve Conger
2023 Steve Conger
2019 Mary Gerbic
|
|
Bromus carinatus California brome
native
Perennial grass 
2020 Ron Vanderhoff
2022 David popp
2014 Vertin Alvarez
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass 
2016 Richard Chasey
2013 Jean Pawek
2021 Amelia Ryan
|
|
Bromus carinatus var. maritimus Maritime brome
native
Perennial grass 
2020 Ken Hickman
2016 Richard Chasey
2017 Toni Corelli
|
|
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 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus inermis ssp. inermis Smooth brome
non-native
Perennial grass 
2011 Ramona Robison
2019 Manzanita Dictionary
2019 Manzanita Dictionary
|
|
Bromus inermis ssp. inermis var. inermis Smooth brome
non-native
Perennial grass
2011 Ramona Robison
2019 Manzanita Dictionary
2019 Manzanita Dictionary
|
|
Bromus maritimus Maritime brome
native
Perennial grass
2020 Ken Hickman
2016 Richard Chasey
2017 Toni Corelli
|
|
Bromus mollis Soft brome, Soft chess
• invasive non-native
Annual grass
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass 
2021 John Rawlings
2023 John Rawlings
2023 John Rawlings
|
|
Bromus vulgaris Columbia brome, Common brome
native
Annual grass 
2023 David popp
2023 Robert Steers
2023 David popp
|
|
Buddleja davidii Butterfly bush, Summer lilac
• invasive non-native
Tree, Shrub 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Buxus microphylla Small Tree-Mallow
|
|
Cakile edentula American searocket, Sea rocket
non-native
Annual herb 
2021 Friends of Five Creeks volunteers
2006 Louis-M. Landry
2010 Louis-M. Landry
|
|
Cakile maritima European searocket, Sea rocket
• invasive non-native
Annual herb 
2019 Diane Etchison
2021 R.A. Chasey
2019 Diane Etchison
|
|
Calamagrostis nutkaensis Pacific reedgrass
native
Perennial grass 
2018 Ken Hickman
2019 Cynthia Powell
2019 Ken Hickman
|
|
Calandrinia ciliata red maids, Calandrinia
native
Annual herb 
2021 Mary Ann Machi
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Callitriche heterophylla Varied leaved water starwort, Water starwort
native
Perennial herb 
2012 Ron Vanderhoff
2008 Neal Kramer
2005 Steve Matson
|
|
Callitriche heterophylla var. bolanderi Bolander's water starwort
native
Annual herb 
2007 Keir Morse
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Callitriche stagnalis Pond water starwort
non-native
Annual herb (aquatic) 
2010 Gerald Carr
2010 Gerald Carr
2010 Gerald Carr
|
|
Calochortus tolmiei Hairy star tulip, Tolmie star tulip, Tolmie's star tulip
native
Perennial herb 
2020 Steve Conger
2022 Jamie Spielmann
2020 Mary Ann Machi
|
|
Caltha leptosepala White marsh marigold
native
Perennial herb 
2018 Art Clark
2019 Steve Matson
2021 Mike Russler
|
|
Caltha leptosepala var. biflora White marsh marigold
native
Perennial herb
2018 Art Clark
2019 Steve Matson
2021 Mike Russler
|
|
Calypso bulbosa Fairy slipper, Fairyslipper orchid
native
Perennial herb 
2023 Stephanie Penn
2022 Marcus Tamura
2020 Mary Ann Machi
|
|
Calypso bulbosa var. occidentalis Fairy slipper
native
Perennial herb 
2018 Ken Hickman
2021 Nora Bales
2008 Keir Morse
|
|
Calystegia atriplicifolia Nightblooming false bindweed
native
Perennial herb (rhizomatous) 
2020 Lilyanne Price
2020 Lilyanne Price
2013 Demo5 Calflora
|
|
Calystegia atriplicifolia ssp. buttensis Butte county morning glory
• rare native
Perennial herb (rhizomatous)
2020 Lilyanne Price
2008 John Dittes
2008 Sierra Pacific Industries
|
|
Calystegia occidentalis ssp. occidentalis Chaparral false bindweed, Modoc morning glory, Western morning glory
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2019 Chico Hiking Association
|
|
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 
2019 Chasey
2019 David Greenberger
2023 Jim Xerogeanes
|
|
Camellia japonica Small Tree-Mallow
|
|
Camissonia cheiranthifolia Beach evening-primrose
native
Perennial herb 
2019 Patrick Furtado
2021 Meghan Lindt
2021 Rosaleen Murphy
|
|
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening-primrose
native
Perennial herb
2019 Patrick Furtado
2021 Meghan Lindt
2021 Rosaleen Murphy
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
2008 Steve Matson
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 
2020 Barbara Peck
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Cardamine integrifolia California toothwort, milkmaids
native
Perennial herb
2020 Barbara Peck
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Cardionema ramosissimum Sand mat, Sandcarpet
native
Perennial herb 
2023 Ron Vanderhoff
2015 Michael Mitchell
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 
2023 Dana York
2015 Hayley Ross
2015 Hayley Ross
|
|
Carex deweyana ssp. leptopoda Slender-footed sedge
native
Perennial grasslike herb 
2019 Mary Merriman
2023 R.A. Chasey
2021 Judy Schwartz
|
|
Carex dudleyi Dense sedge, Sedge
native
Perennial grasslike herb 
2023 John Rawlings
2022 R.A. Chasey
2014 Eric Wrubel
|
|
Carex globosa Round fruit sedge
native
Perennial grasslike herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Carex hendersonii Henderson's sedge
native
Perennial grasslike herb 
2022 Sherry Adams
2003 Steve Matson
2007 Shawn DeCew
|
|
Carex leporina Hare or oval sedge
native
Perennial grasslike herb 
null
2009 Chris Wagner
2009 Chris Wagner
|
|
Carex leptopoda Slender-footed sedge
native
Perennial grasslike herb
2019 Mary Merriman
2023 R.A. Chasey
2021 Judy Schwartz
|
|
Carex mendocinensis Mendocino sedge
native
Perennial grasslike herb 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Carex obnupta Coast carex, Slough sedge
native
Perennial grasslike herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Carex ovalis Hare or oval sedge
native
Perennial grasslike herb
null
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
2017 Eric Wrubel, NPS
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
2016 Steve Matson
2021 Cynthia Powell
|
|
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 
2006 Steve Matson
2006 Steve Matson
2019 Ron Vanderhoff
|
|
Castilleja attenuata Narrow leaved owl's clover, Valley tassels
native
Annual herb 
2019 Timothy Boomer
2019 Timothy Boomer
2022 Mike Russler
|
|
Castilleja miniata ssp. elata Siskiyou indian paintbrush
native
Perennial herb (hemiparasitic) 
2018 Anna Sereno
2018 Anna Sereno
2018 Anna Sereno
|
|
Caucalis microcarpa California hedge parsley, False carrot
native
Annual herb 
2021 Helen Hancock
2022 R.A. Chasey
2012 Toni Corelli
|
|
Ceanothus pumilus Dwarf ceanothus, Siskiyou mat
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Ceanothus thyrsiflorus Blueblossom
native
Tree, Shrub 
2020 David Greenberger
2022 R.A. Chasey
2019 Patrick Furtado
|
|
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
2020 Ron Vanderhoff
2020 Laura Anna Arellano
|
|
Centaurea stoebe ssp. micranthos Spotted knapweed
• invasive non-native
Perennial herb 
2021 Patrick Hoffman
2022 Patrick Hoffman
2019 Amanda Mills
|
|
Centaurium erythraea Common centaury, European centaury
non-native
Annual herb 
2022 Robin Harper
2011 Ryan Batten
2010 Dr.Thomas K. Voekler
|
|
Centaurium floribundum Muehlenberg's centaury
native
Annual herb 
2019 Patrick Furtado
2015 James Gonsman
2011 Michael Perlmutter
|
|
Centaurium muehlenbergii Muehlenberg's centaury
native
Annual herb
2019 Patrick Furtado
2015 James Gonsman
2011 Michael Perlmutter
|
|
Centranthus ruber Jupiter's beard, Red valerian
non-native
Annual, Perennial herb 
2013 Zachary Mikalonis
2022 Justin Felder
2020 Deborah Dozier
|
|
Cephalanthera austiniae Phantom orchid
native
Perennial herb 
2019 Wendy Wilmes
2015 Steve Matson
2012 Kim Cabrera
|
|
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 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 R.A. Chasey
|
|
Cerastium viscosum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 R.A. Chasey
|
|
Ceratophyllum demersum Coon's tail, Hornwort
native
Perennial herb 
2023 Zoya Akulova-Barlow
2018 Ron Vanderhoff
2022 Donald Burk
|
|
Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany
native
Tree, Shrub 
2020 Rebecca Schoenenberger
2020 Aaron Echols
2016 Cindy Roessler
|
|
Chamaecyparis lawsoniana Port orford cedar
native
Tree 
2021 Julie A. Kierstead
2018 Julie Kierstead Nelson
2019 Tristan K Cole
|
|
native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Cheilanthes gracillima Lace lip fern
native
Fern 
2021 John Rawlings
2021 R.A. Chasey
2021 Steve Matson
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb 
2022 Ron Vanderhoff
2014 Toni Corelli
2022 Ron Vanderhoff
|
|
Chimaphila menziesii Little prince's pine, Pipsissewa
native
Perennial herb 
2006 Steve Matson
2023 Alaine Arslan
2019 Jacob Smith
|
|
Chimaphila umbellata Blake's prince's pine, Pipsissewa, Prince's Pine
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2019 Steve Matson
|
|
Chimaphila umbellata ssp. occidentalis Blake's prince's pine, Pipsissewa, Prince's Pine
native
Perennial herb
2015 Steve Matson
2015 Steve Matson
2019 Steve Matson
|
|
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 
2021 Sue Graue
2015 Sharon King & Randy Aeschliman
2018 Karen Scheuermann
|
|
Chrysanthemum leucanthemum Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb 
2020 Kim Cabrera
2019 Julian Geoghegan
2017 James Gonsman
|
|
Chrysolepis chrysophylla Giant chinquapin, Golden chinquapin
native
Tree, Shrub 
2020 Mary Conway
2021 Hunter Breck
2022 Jamie Spielmann
|
|
Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin
native
Tree, Shrub 
2020 R.A. Chasey
2019 Ken Hickman
2009 Neal Kramer
|
|
Chrysosplenium glechomifolium Pacific golden saxifrage
• rare native
Perennial herb 
2013 James Gonsman
2021 Dillon Doss
2014 Dana York
|
|
Cichorium intybus Chicory
non-native
Perennial herb 
2020 Bob Sweatt
2022 David Strauch
2019 Diane Etchison
|
|
Circaea alpina ssp. pacifica Pacific enchanter's nightshade, Small enchanter's nightshade
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Cirsium acanthodontum Few leaved thistle, Fewleaf thistle
native
Perennial herb 
2008 Gerald Carr
2011 Gerald Carr
2017 Hunter Breck
|
|
Cirsium arvense Canada thistle
• invasive non-native
Perennial herb 
2012 Michael Mitchell
2012 Michael Mitchell
2022 Donald Burk
|
|
Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb 
2019 Steve Davison
2018 Brian Charles
2019 Aleksandra Evert
|
|
Cirsium occidentale var. venustum Cobwebby thistle, Red thistle, Venus thistle
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Cirsium pastoris Snowy thistle
native
Perennial herb 
2021 Mary Conway
2021 Mary Conway
2018 Debra Valov
|
|
Cirsium proteanum Cobwebby thistle, Red thistle, Venus thistle
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Cirsium remotifolium Few leaved thistle, Fewleaf thistle
native
Perennial herb
2008 Gerald Carr
2011 Gerald Carr
2017 Hunter Breck
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
2017 James Bailey
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Clarkia amoena Farewell to spring
native
Annual herb 
2018 Anna Sereno
2019 Steve Conger
2020 Steve Laymon
|
|
Clarkia amoena ssp. amoena Farewell to spring
native
Annual herb
2020 Steve Laymon
2020 Steve Laymon
2014 Richard Chasey
|
|
Clarkia purpurea Purple clarkia, Winecup clarkia
native
Annual herb 
2022 Ron Vanderhoff
2019 Stacie Wolny
2021 Mary Conway
|
|
Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia
native
Annual herb 
2014 Steve Matson
2019 Joe Engelbrecht
2021 R.A. Chasey
|
|
Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)
native
Annual herb 
2008 Steve Matson
2019 Gary McDonald
2020 Ron Vanderhoff
|
|
Claytonia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2015 James Gonsman
|
|
Claytonia sibirica var. sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb
2017 Steve Matson
2017 Steve Matson
2015 James Gonsman
|
|
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 white clematis, Yerba de chiva
native
Perennial herb, Vine 
2018 Diane Etchison
2012 Steve Matson
2012 Steve Matson
|
|
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 
2022 Suzanne L. Weakley
2020 Eliezer Margolis
2013 Paul Preston
|
|
Collinsia linearis Narrow leaf collinsia, Narrowleaf blue eyed mary
native
Annual herb 
2022 Dana York
2022 Dana York
2008 Keir Morse
|
|
Collomia heterophylla Variableleaf collomia, Varied leaved collomia
native
Annual herb 
2018 Stacie Wolny
2017 Steve Matson
2018 Parker Santiago
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
2019 James Bailey
2013 Toni Corelli
2016 Cynthia Powell
|
|
Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine 
2022 Steve Matson
2021 Ron Vanderhoff
2022 Steve Matson
|
|
Coptis laciniata Oregon golden thread, Oregon goldthread
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot
native
Perennial herb 
2023 Steve Conger
2013 BOB CASE
2018 Rick Wachs
|
|
Corallorhiza mertensiana Merten's coral root, Pacific coralroot
native
Perennial herb 
2021 John L. Thompson
2018 Julie Kierstead Nelson
2022 Mary Sue Ittner
|
|
Corallorhiza striata Hooded coralroot, Striped coral root
native
Perennial herb 
2021 Mary Ann Machi
2022 Steve Conger
2019 Timothy Boomer
|
|
Cordylanthus tenuis ssp. viscidus Slender bird's beak, Sticky bird's beak, Viscid bird's beak
native
Annual herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
2022 Mike Russler
2018 Ron Vanderhoff
2019 Diane Etchison
|
|
Cornus capitata Small Tree-Mallow
|
|
Cornus glabrata Brown dogwood
native
Tree, Shrub 
2021 Donald Burk
2021 Barbara Peck
2021 John Rawlings
|
|
Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain dogwood
native
Shrub 
2018 Matt Berger
2019 Susan McDougall
2019 Janith Johnson
|
|
Cornus sericea American dogwood, Creek dogwood, Redosier dogwood
native
Shrub 
2023 Ellen Uhler
2018 Hayley Ross
2016 Suzanne L. Weakley
|
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub 
2019 David Greenberger
2018 Lynn Overtree
2020 Susan McDougall
|
|
Cornus sessilis Blackfruit dogwood, Miners dogwood, Western cornelian cherry
native
Tree 
2019 Bill Haley
2023 Mary Ann Machi
2021 Christopher Collier
|
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass 
2018 Ramona Robison
2021 Michelle Karle
2022 Michelle Karle
|
|
Corylus cornuta ssp. californica Beaked hazelnut
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster
• invasive non-native
Shrub 
2021 Cynthia Powell
2021 Lenihan Mazur
2019 Lenihan Mazur
|
|
Cotoneaster integrifolius Entire-leaved cotoneaster
non-native
Shrub 
2021 R.A. Chasey
2021 David Greenberger
2006 Peter Zika
|
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
• invasive non-native
Shrub 
2021 David Wolfson
2019 Cynthia Powell
2018 MCOSD EDRR
|
|
Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb 
2023 Mike Russler
2022 Ron Vanderhoff
2023 Mike Russler
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2018 Adam Chasey
|
|
Crataegus monogyna Hawthorn
• invasive non-native
Shrub 
2022 Emily R. Allen
2021 Isaac Kreger
2021 Sherry Adams
|
|
Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard
non-native
Annual, Perennial herb 
2003 Steve Matson
2003 Steve Matson
2019 Randy Huey
|
|
Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars
• invasive non-native
Perennial herb 
2014 Andrea Williams
2019 Lenihan Mazur
2014 Andrew Georgeades
|
|
Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass
non-native
Annual grass 
2023 Ron Vanderhoff
2018 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Cryptantha leiocarpa Coast cryptantha, Coastal cryptantha, Popcorn flower
native
Annual herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Cupressus lawsoniana Port orford cedar
native
Tree
2021 Julie A. Kierstead
2018 Julie Kierstead Nelson
2019 Tristan K Cole
|
|
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 Hound's tongue, Western houndstongue, Adelinia
native
Perennial herb 
2022 David Strauch
2007 Steve Matson
2021 Dee Shea Himes
|
|
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 
2017 Gary McDonald
2010 Julie A. Kierstead
2022 Ron Vanderhoff
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb 
2016 Joan Hampton
2021 Ken Lunders
2014 James Gonsman
|
|
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) 
2023 Mary Ann Machi
2017 Steve Matson
2018 Margarita Orlova
|
|
Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern
native
Fern 
2020 Bob Sweatt
2021 Mike Russler
2023 Ken-ichi Ueda
|
|
Cytisus multiflorus Spanish broom, White spanishbroom
• invasive non-native
Shrub 
2020 Lenihan Mazur
2020 Lenihan Mazur
2020 Lenihan Mazur
|
|
Cytisus scoparius Scotch broom, Scotchbroom
• invasive non-native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass 
2018 Jennifer Mo
2020 Jim Richards
2017 Gary McDonald
|
|
Danthonia californica California oatgrass
native
Perennial grass 
2020 Sara Timby
2007 Steve Matson
2002 Bart and Susan Eisenberg
|
|
Daucus carota Queen Anne's lace, Wild carrot
• invasive non-native
Perennial herb 
2023 Donald Burk
2021 Charles Russell
2021 Ken Lunders
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
2019 Diane Etchison
2022 David Wolfson
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 
2017 Steve Matson
2017 Steve Matson
2021 Steve Matson
|
|
Delphinium decorum ssp. tracyi Coastal larkspur, Tracy's larkspur
native
Perennial herb 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Delphinium nudicaule Canyon larkspur, Red or Orange Larkspur, Red larkspur
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Delphinium trolliifolium Columbian larkspur, Cow poison
native
Perennial herb 
2023 Dennis ONeill
2010 Aaron Arthur
2005 Jerry Murray
|
|
Deschampsia caespitosa California hairgrass, Tufted hair grass, Tufted hairgrass
native
Perennial grass 
2022 Justin Luong
2022 Dianne Lake
2022 Dianne Lake
|
|
Deschampsia cespitosa ssp. cespitosa Tufted hair grass, Tufted hairgrass
native
Perennial grass 
2007 Keir Morse
2019 David Greenberger
2023 Dianne Lake
|
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass 
2019 Paul Aigner
2003 Steve Matson
2018 Emily Allen
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass 
2021 John Rawlings
2021 John Rawlings
2023 Robert Steers
|
|
Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Dichelostemma capitatum Blue dicks
native
Perennial herb 
2023 Steve Matson
2023 Steve Matson
2022 Steve Matson
|
|
Dichelostemma congestum Fork toothed ookow, Ookow
native
Perennial herb 
2017 Gary Morgret
2019 Suzanne L. Weakley
2023 Teal Derrer
|
|
Dichelostemma ida-maia Firecracker brodiaea, Firecracker flower
native
Perennial herb
2008 Steve Matson
2023 Melissa Harbert
2019 Steve Laymon
|
|
Dichelostemma Xvenustum Rose firecracker flower
native
Perennial herb 
2023 Melissa Harbert
2022 Jamie Spielmann
2023 Jamie Spielmann
|
|
Digitalis purpurea Purple foxglove
• invasive non-native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Dipsacus fullonum Fuller's teasel, Fullers' teasel, Wild teasel
• invasive non-native
Perennial herb 
2022 Morgan Stickrod
2017 MCOSD Restoration Crew
2021 Amber Bedgood
|
|
Disporum smithii Largeflower fairybells
native
Perennial herb 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Dodecatheon hendersonii Mosquito bill
native
Perennial herb 
2020 BLM Redding Field Office
2017 John Game
2022 Jamie Spielmann
|
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb 
2020 Diane Etchison
2017 Steve Matson
2021 Mike Russler
|
|
Drymocallis glandulosa var. reflexa Sticky cinquefoil
native
Perennial herb  2015 Barry Breckling
 2003 Yulan Tong
 2009 Barry Breckling
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern 
2018 James Gonsman
2019 Rebecca Crowe
2023 Julia Markey
|
|
Dryopteris expansa Common wood fern, Spreading wood fern, Spreading woodfern
native
Fern 
2019 Stella Yang
2023 Diana Wahl
2014 BOB CASE
|
|
Dudleya farinosa Bluff lettuce, North coast dudleya, Powdery liveforever
native
Perennial herb 
2022 Mike Russler
2019 Amy Rapport
2019 Heather Morrison
|
|
Dysphania ambrosioides Mexican tea
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Dysphania botrys Jerusalem oak goosefoot
non-native
Annual herb 
2022 Steve Matson
2021 BLM Redding Field Office
2023 R.A. Chasey
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
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 
2000 Bob Sweatt
2019 David popp
2020 R.A. Chasey
|
|
Elymus caput-medusae Medusa head
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2019 Jennifer Mo
2011 Steve Matson
|
|
Elymus glaucus Blue wildrye
native
Perennial grass 
2020 Denise Defreese
2019 Patrick Furtado
2018 Cynthia Powell
|
|
Elymus glaucus ssp. virescens Blue wildrye, Virginia wildrye
native
Perennial grass 
2023 John Rawlings
2012 Toni Corelli
2023 John Rawlings
|
|
Elymus mollis ssp. mollis American dune grass, sea lyme grass
native
Perennial grass 
2021 Ramona Robison
2021 Ramona Robison
2009 Toni Corelli
|
|
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 
2021 Julian Geoghegan
2016 Andrew Longman
2020 Diana Wahl
|
|
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass
native
Perennial grass 
2022 John Rawlings
2019 Ken Hickman
2019 Ken Hickman
|
|
Enemion stipitatum Siskiyou false rue anemone
native
Perennial herb 
2021 Steve Laymon
2020 Steve Laymon
2008 Keir Morse
|
|
Epilobium angustifolium Fireweed
native
Perennial herb 
2021 Arlee Montalvo
2020 Joey Santore
2021 Mary Ann Machi
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb 
2023 Mary Ann Machi
2019 Ramona Robison
2020 Ron Vanderhoff
|
|
Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb
native
Perennial herb 
2021 stephen rosenthal
2019 Patrick Furtado
2019 Gary McDonald
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Epilobium ciliatum ssp. watsonii Fringed willowherb, Watson's willowherb, Willow herb
native
Perennial herb 
2012 BOB CASE
2012 BOB CASE
2021 Jamie Spielmann
|
|
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 
2017 Michael Mitchell
2021 R.A. Chasey
2019 Ken Lunders
|
|
Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail
native
Fern 
2022 Suzanne L. Weakley
2021 Cynthia Powell
2016 Cynthia Powell
|
|
Equisetum hyemale ssp. affine Giant scouring rush
native
Fern 
2013 Michael Mitchell
2021 Ron Vanderhoff
2013 Michael Mitchell
|
|
Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern 
2020 David popp
2021 Ron Vanderhoff
2021 Richard Spjut
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern 
2016 Steve Matson
2016 Steve Matson
2022 Suzanne L. Weakley
|
|
Erechtites arguta Cutleaf burnweed
• invasive non-native
Annual, Perennial herb 
2015 Lynn Overtree
2023 R.A. Chasey
2021 Mary Conway
|
|
Erica lusitanica Spanish heather
• invasive non-native
Shrub 
2021 Patrick Hoffman
2022 Patrick Hoffman
2022 Patrick Hoffman
|
|
Erigeron canadensis Canada horseweed
native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
Erigeron foliosus Leafy daisy, Leafy fleabane
native
Perennial herb 
2022 Ron Vanderhoff
2022 Ryan O'Dell
2023 R.A. Chasey
|
|
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 
2023 Toni Corelli
2019 James Gonsman
2018 Asa B Spade
|
|
Erigeron inornatus California rayless daisy, California rayless fleabane, Western Rayless Fleabane
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Erigeron inornatus var. inornatus California rayless daisy, California rayless fleabane, Fleabane
native
Perennial herb 
2020 Bob Sweatt
2020 R.A. Chasey
2014 John Doyen
|
|
Erigeron philadelphicus Philadelphia fleabane
native
Perennial herb 
2023 R.A. Chasey
2021 R.A. Chasey
2023 R.A. Chasey
|
|
Erigeron reductus var. reductus California rayless daisy, Lesser california rayless fleabane
native
Perennial herb 
2017 Chelsea Morgan
2017 Chelsea Morgan
2001 Dean Wm. Taylor
|
|
Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat
native
Perennial herb 
2016 Suzanne L. Weakley
2021 Dylan Neubauer
2019 Patrick Furtado
|
|
Eriogonum nudum Naked buckwheat, Nude buckwheat
native
Shrub 
2011 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Eriogonum nudum var. nudum Naked buckwheat, Naked Wild Buckwheat, Nude buckwheat
native
Shrub 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Eriogonum nudum var. oblongifolium Naked buckwheat, Oblong leaved buckwheat
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2020 Steve Matson
|
|
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower
native
Perennial herb 
2006 Steve Matson
2008 Steve Matson
2006 Steve Matson
|
|
Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower
native
Perennial herb 
2020 Susan McDougall
2014 James Gonsman
2019 Mary Conway
|
|
Eriophyllum stoechadifolium var. artemisiifolium Small Tree-Mallow
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
2022 Steve Matson
2008 Steve Matson
2022 Steve Matson
|
|
Erysimum capitatum Sanddune wallflower, Western wallflower
native
Perennial herb 
2018 Janith Johnson
2023 Julia Markey
2019 Diane Etchison
|
|
Erysimum capitatum ssp. capitatum Sanddune wallflower, Western wallflower
native
Perennial herb
2018 Janith Johnson
2023 Julia Markey
2019 Diane Etchison
|
|
Erythronium californicum California fawn lily, California fawnlily
native
Perennial herb (bulb) 
2019 Jeff Bisbee
2021 Steve Matson
2021 Steve Matson
|
|
Erythronium oregonum Giant white fawnlily, Oregon fawn lily
• rare native
Perennial herb (bulb) 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Erythronium revolutum Mahogany fawn lily
• rare native
Perennial herb (bulb) 
2021 Steve Conger
2021 Mary Ann Machi
2015 John Doyen
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb 
2019 Dee Shea Himes
2021 Ron Vanderhoff
2019 Amy Rapport
|
|
Eucalyptus pulverulenta Money tree, Silverleaf mountain gum
non-native
Tree 
2012 David Varner
2008 Zoya Akulova
2012 David Varner
|
|
Eucalyptus sideroxylon Red iron bark, Red ironbark
non-native
Tree 
2021 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
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
2019 David Greenberger
2017 Brian Charles
|
|
Euonymus occidentalis var. occidentalis Western burning bush
native
Tree, Shrub 
2021 Chris Brant
2019 Toni Corelli
2021 Chris Brant
|
|
Euphorbia crenulata Chinese caps, Chinesecaps
native
Annual, Perennial herb 
2008 Steve Matson
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
2017 Ron Vanderhoff
|
|
Eurybia radulina Roughleaf aster
native
Perennial herb 
2007 Keir Morse
2023 Ken-ichi Ueda
2022 Bob Sweatt
|
|
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 
2022 Patrick Hoffman
2001 CDFA
2023 John Malpas
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
2022 Cynthia Powell
2020 Robert Steers
2017 MCOSD EDRR
|
|
Festuca bromoides Brome fescue
non-native
Annual grass 
2022 Diana Wahl
2021 Toni Corelli
2021 David popp
|
|
Festuca californica California fescue
native
Perennial grass 
2019 Justin Luong
2022 Justin Luong
2012 Aaron Arthur
|
|
Festuca californica var. californica California fescue
native
Perennial grass
2019 Justin Luong
2022 Justin Luong
2012 Aaron Arthur
|
|
Festuca elmeri Coast fescue, Elmer fescue
native
Perennial grass 
2019 Ken Hickman
2022 John Rawlings
2007 Toni Corelli
|
|
Festuca elmeri var. elmeri Coast fescue, Elmer fescue
native
Perennial grass
2019 Ken Hickman
2022 John Rawlings
2007 Toni Corelli
|
|
Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue
native
Perennial grass 
2016 Brett Dean
2020 Paul Aigner
2016 Andrew Longman
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass 
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Festuca occidentalis Western fescue
native
Perennial grass 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Festuca pratensis Meadow fescue
non-native
Perennial grass 
2023 Elliot Gunnison
2012 Al Keuter
2012 Al Keuter
|
|
Festuca rubra Red fescue
native
Perennial grass 
2012 Ove Anderson
2022 John Rawlings
2018 Alexandra Kookootsedes
|
|
Festuca rubra ssp. rubra Red fescue
native
Perennial grass  2018 Susan McDougall
 2018 Susan McDougall
|
|
Festuca subulata Bearded fescue, Nodding fescue
native
Perennial grass 
2020 Susan McDougall
2008 Steve Matson
2016 David popp
|
|
Festuca subuliflora Coast range fescue, Crinkleawn fescue
native
Perennial grass 
2018 Ken Hickman
2022 John Rawlings
2022 John Rawlings
|
|
Festuca temulenta Darnel, tares
non-native
Annual grass 
2016 Spade Natural Resources Consulting
2020 David popp
2019 Stephany Dery
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
2019 Nicole Leatherman
2019 Ron Vanderhoff
2018 Henry DiRocco
|
|
Forsythia Xintermedia Small Tree-Mallow
|
|
Fragaria chiloensis Beach strawberry
native
Perennial herb 
2016 Teresa R Spade, AICP
2019 Patrick Furtado
2020 Carlos Davidson
|
|
Fragaria vesca California strawberry, Wild strawberry, Wood strawberry
native
Perennial herb 
2020 Cara Wilcox
2017 James Gonsman
2022 Dee Shea Himes
|
|
Fragaria vesca ssp. californica California strawberry, Wild strawberry, Wood strawberry
native
Perennial herb
2020 Cara Wilcox
2017 James Gonsman
2022 Dee Shea Himes
|
|
Frangula californica ssp. californica California coffeeberry
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2019 Ron Vanderhoff
|
|
Frangula californica ssp. occidentalis Wetern california coffeeberry
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Frangula purshiana Cascara buckthorn
native
Tree, Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Fraxinus latifolia Oregon ash
native
Tree 
2021 Robert Whitaker
2021 Richard Spjut
2012 Terrence Gosliner
|
|
Fritillaria affinis Checker lily, Mission bells
native
Perennial herb (bulb) 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Galium ambiguum Yolla bolly bedstraw
native
Perennial herb 
2023 Ryan O'Dell
2017 Steve Matson
2017 Steve Matson
|
|
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
2005 Steve Matson
2020 Ron Vanderhoff
|
|
Galium bolanderi Bolander galium, Bolander's bedstraw
native
Perennial herb 
2020 Neal Kramer
2015 Steve Matson
2015 Steve Matson
|
|
Galium californicum California bedstraw
native
Perennial herb 
2006 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Galium divaricatum Lamarck's bedstraw
non-native
Annual herb  2001 Julie Kierstead Nelson
 2020 Jean Pawek
 2020 Jean Pawek
|
|
Galium parisiense Wall bedstraw
non-native
Annual herb 
2021 Al Keuter
2020 Ron Vanderhoff
2020 David popp
|
|
Galium porrigens Climbing bedstraw, Graceful bedstraw, Nuttall's bedstraw
native
Vine, Shrub 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Galium trifidum Three petaled bedstraw, Threepetal bedstraw, Trifid bedstraw
native
Perennial herb 
2020 Alaine Arslan
2022 Mike Russler
2005 Steve Matson
|
|
Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw
native
Annual herb 
2022 Ken-ichi Ueda
2022 Ken-ichi Ueda
2018 Ken Hickman
|
|
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 
2019 Susan McDougall
2021 Steve Conger
2021 Steve Matson
|
|
Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush
native
Tree, Shrub 
2004 Michael Charters
2020 John Rawlings
2020 Eliezer Margolis
|
|
Gastridium phleoides Nit grass
non-native
Annual grass 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2017 Gary McDonald
|
|
Genista monspessulana French broom
• invasive non-native
Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2021 Michelle Karle
|
|
Gentiana affinis var. ovata Gentian, Pleated gentian
native
Perennial herb 
2022 Zoya Akulova-Barlow
2019 David Greenberger
2023 Mary Ann Machi
|
|
Geranium carolinianum Carolina geranium
native
Annual herb 
2021 Ron Vanderhoff
2024 Ron Vanderhoff
2024 Ron Vanderhoff
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
2021 Al Keuter
2023 Ron Vanderhoff
2014 Bryan Derr
|
|
Geranium lucidum Shining geranium
• invasive non-native
Annual, Biennial herb 
2021 Dana York
2016 Dr. Amadej Trnkoczy
2017 Domenic Bongio
|
|
Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Geranium oreganum Oregon geranium
native
Perennial herb 
2021 Steve Conger
2021 Steve Conger
2021 Steve Conger
|
|
Geranium pusillum Small flowered geranium, Small geranium
non-native
Annual herb  2014 Zoya Akulova
 2016 Dr. Amadej Trnkoczy
 2012 Phil Pullen
|
|
Geranium robertianum herb Robert
• invasive non-native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Geum macrophyllum Large leaved avens, Largeleaf avens
native
Perennial herb 
2022 Mike Russler
2023 John Malpas
2022 Mike Russler
|
|
Gilia capitata Blue field gilia, Bluehead gilia
native
Annual herb 
2011 Gerald Carr
2022 Ron Vanderhoff
2011 Gerald Carr
|
|
Gilia capitata ssp. pacifica Pacific blue field gilia, Pacific gilia
• rare native
Annual herb 
2019 Wyatt Dooley
2019 Wyatt Dooley
2016 Steve Matson
|
|
Githopsis specularioides Common bluecup, Venus' looking glass
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2021 Mike Russler
|
|
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 
2017 John Game
2013 Dana York
2013 Dana York
|
|
Glehnia littoralis ssp. leiocarpa American glehnia, American silvertop
• rare native
Perennial herb
2013 Dana York
2013 Dana York
2020 Steve Conger
|
|
Glyceria elata Fowl mannagrass, Tall mannagrass
native
Perennial grass 
2008 Steve Matson
2008 Steve Matson
2020 Susan McDougall
|
|
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
2005 Steve Matson
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 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
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 
2018 Charles Russell
2019 Jane Cohn
2015 Steve Matson
|
|
Hastingsia serpenticola Klamath rushlily, Siskiyou hastingsia
native
Perennial herb 
2019 Julie Kierstead Nelson
2014 John Doyen
2016 Julie Kierstead Nelson
|
|
Hastingsia serpentinicola Klamath rushlily, Siskiyou hastingsia
native
Perennial herb
2019 Julie Kierstead Nelson
2014 John Doyen
2016 Julie Kierstead Nelson
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub 
2019 Claire Mallen
2017 Allison Titus
2022 Catherine Talbot
|
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb 
2021 Mike Russler
2019 Patrick Furtado
2018 Rachelle Gray
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
2016 Hayley Ross
2019 Rachelle Gray
2012 Elizabeth Brusati
|
|
Hemitomes congestum Coneplant, Gnome plant
native
Perennial herb (mycoparasitic) 
2016 William Maslach
2016 Robert Ferber
2019 Ken Hickman
|
|
Hemizonia congesta Hayfield tarweed
native
Annual herb 
2019 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Hemizonia congesta ssp. tracyi Hayfield tarweed, Tracy's tarplant
• rare native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Hemizonia tracyi Hayfield tarweed, Tracy's tarplant
• rare native
Annual herb
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
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
2019 Susan McDougall
2019 Cynthia Powell
|
|
Heterotheca oregona var. oregona Oregon false goldenaster, Oregon goldenaster
native
Perennial herb 
2022 Dana York
2020 Susan McDougall
2020 Susan McDougall
|
|
Heuchera micrantha Alum root, Crevice alumroot
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Hieracium albiflorum White flowered hawkweed, White hawkweed
native
Perennial herb 
2003 Steve Matson
2021 Doug Allshouse
2020 Bob Sweatt
|
|
Hieracium bolanderi Bolander's hawkweed
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Hieracium cynoglossoides Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Hieracium scouleri Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Hippuris vulgaris Common mare's tail, Common mares tail, Mare's tail
native
Perennial herb (aquatic) 
2019 Bob Sweatt
2018 Isaac Chellman
2008 Dean Wm. Taylor, Ph.D.
|
|
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 
2017 Steve Matson
2017 Steve Matson
2022 Steve Matson
|
|
Hordeum brachyantherum Meadow barley
native
Perennial grass 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley
native
Perennial grass 
2019 Rachelle Gray
2009 Barry Rice
2009 Zoya Akulova
|
|
Hordeum marinum ssp. gussonianum Seaside barley
• invasive non-native
Annual grass 
2015 Chris Jaster
2017 Julia Dorosh
2015 Chris Jaster
|
|
Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass 
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley
non-native
Annual grass
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass 
2022 Ron Vanderhoff
2021 Al Keuter
2021 Ron Vanderhoff
|
|
Hordeum murinum ssp. murinum Wall barley
non-native
Annual grass 
2023 Fidel Garcia Cova
2015 jamie smith
2023 Fidel Garcia Cova
|
|
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
2023 Steve Conger
2023 Mary Ann Machi
|
|
Hosackia oblongifolia Narrow leaved lotus
native
Perennial herb 
2006 Steve Matson
2019 R.A. Chasey
2013 BOB CASE
|
|
Hosackia pinnata Pinnate lotus
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Hosackia rosea Rose flowered lotus
native
Perennial herb 
2019 Heather Morrison
2022 Zoya Akulova-Barlow
2018 Claire Brown
|
|
Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort
native
Perennial herb 
2019 R.A. Chasey
2023 R.A. Chasey
2017 Michael Mitchell
|
|
Hydrophyllum occidentale California waterleaf, Western waterleaf
native
Perennial herb 
2020 Susan McDougall
2020 Susan McDougall
2020 Steve Conger
|
|
Hydrophyllum tenuipes Pacific waterleaf
native
Perennial herb 
2021 Dana York
2021 Dana York
2011 Jean Pawek
|
|
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 Small Tree-Mallow
|
|
Hypericum calycinum Aaron's beard
non-native
Shrub 
2019 Zachary Snider
2018 Brian Charles
2021 Lenihan Mazur
|
|
Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed
• invasive non-native
Perennial herb 
2020 Bob Sweatt
2018 stephen rosenthal
2020 Bob Sweatt
|
|
Hypericum scouleri Scouler's St John's wort
native
Perennial herb 
2021 Julie A. Kierstead
2022 Steve Matson
2019 Julie Kierstead Nelson
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2017 Gary McDonald
2019 Ron Vanderhoff
|
|
Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear
• invasive non-native
Perennial herb 
2024 Ron Vanderhoff
2017 Gary McDonald
2016 Michael Mitchell
|
|
Ilex aquifolium English holly, Holly
• invasive non-native
Tree, Shrub 
2021 Cynthia Powell
2021 Donald Burk
2019 Tatiana Manzanillo
|
|
Iris douglasiana Douglas iris, Douglas' iris
native
Perennial herb 
2020 Susan McDougall
2019 Patrick Furtado
2022 Suzanne L. Weakley
|
|
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) 
2017 Dana York
2017 Dana York
2012 Dana York
|
|
Iris tenuissima Iris, Longtube iris, Slender iris
native
Perennial herb 
2009 Julie A. Kierstead
2010 Julie A. Kierstead
2022 Jerry Murray
|
|
Isatis tinctoria Dyer's woad, Dyers woad
• invasive non-native
Biennial, Perennial herb 
2019 Dana York
2019 Julie Kierstead Nelson
2021 Steve Matson
|
|
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
2019 Janice Kuch
2014 Richard Chasey
|
|
Juncus bolanderi Bolander's rush
native
Perennial grasslike herb 
2019 Ken Hickman
2019 Ken Hickman
2019 John Rawlings
|
|
Juncus breweri Brewer's rush
native
Perennial grasslike herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Juncus bufonius Common toad rush, Toad rush
native
Annual grasslike herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 
2021 John Rawlings
2023 R.A. Chasey
2019 Ron Vanderhoff
|
|
Juncus confusus Colorado rush
native
Perennial grasslike herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Juncus effusus Bog rush, Common bog rush, Common rush
native
Perennial grasslike herb 
2019 Patrick Furtado
2019 Patrick Furtado
2021 R.A. Chasey
|
|
Juncus effusus ssp. pacificus Pacific rush
native
Perennial grasslike herb 
2009 Toni Corelli
2021 R.A. Chasey
2021 John Rawlings
|
|
Juncus lesueurii Dune rush
native
Perennial grasslike herb 
2008 Toni Corelli
2008 Toni Corelli
2008 Toni Corelli
|
|
Juncus occidentalis Rush, Slender juncus, Western rush
native
Perennial grasslike herb 
2021 Toni Corelli
2021 Dick Rawson
2021 Dick Rawson
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb 
2022 R.A. Chasey
2022 R.A. Chasey
2018 Emily Allen
|
|
Juncus tenuis Poverty rush, Slender rush
native
Perennial grasslike herb 
2020 Peter Warner
2008 Keir Morse
2020 Peter Warner
|
|
Juncus tenuis var. congestus Rush, Slender juncus, Western rush
native
Perennial grasslike herb
2021 Toni Corelli
2021 Dick Rawson
2021 Dick Rawson
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb 
2016 Erik Larsen
2017 Ron Vanderhoff
2023 R.A. Chasey
|
|
Juniperus communis Common juniper, Dwarf juniper
native
Shrub 
2019 Bob Sweatt
2020 Donald Burk
2010 Louis-M. Landry
|
|
Juniperus communis var. saxatilis Common juniper
native
Shrub 
2019 Bob Sweatt
2022 Dana York
2019 Bob Sweatt
|
|
Keckiella corymbosa Red beardtongue, Redwood keckiella
native
Shrub 
2021 Mary Ann Machi
2019 David Greenberger
2022 Ryan O'Dell
|
|
Koeleria cristata June grass, Prairie junegrass
native
Perennial grass 
2023 Helen Hancock
2015 Steve Matson
2015 Steve Matson
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass
2023 Helen Hancock
2015 Steve Matson
2015 Steve Matson
|
|
Kopsiopsis strobilacea ground cone, groundcone , California ground-cone
native
Perennial herb (parasitic) 
2020 Ralph Henson
2023 MCOSD EDRR
2019 Jonathan Lee
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb 
2021 Don Hollander
2019 Stacie Wolny
2021 Don Hollander
|
|
Lapsana communis Common nipplewort, Nipplewort
non-native
Annual herb 
2019 Jennifer Mo
2021 R.A. Chasey
2019 Jennifer Mo
|
|
Lathyrus brownii Brown's brush pea
native
Perennial herb 
2019 Julie Kierstead Nelson
2017 David popp
1992 Gary A. Monroe
|
|
Lathyrus delnorticus Del norte pea
• rare native
Perennial herb 
2020 Kolby Lundgren
2022 Tricia Bippus
2007 Norman Jensen
|
|
Lathyrus japonicus Beach pea, Sea pea
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Lathyrus japonicus var. glaber Beach pea, Sea pea
• rare native
Perennial herb
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb 
2020 Jutta Burger
2019 Cynthia Powell
2021 Sherry Adams
|
|
Lathyrus littoralis Beach pea, Silky beach pea
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2020 Steve Conger
|
|
Lathyrus nevadensis ssp. nevadensis Sierra nevada pea, Sierra pea
native
Perennial herb 
2019 Susan McDougall
2022 Ryan O'Dell
2019 Susan McDougall
|
|
Lathyrus nevadensis var. nevadensis Sierra nevada pea, Sierra pea
native
Perennial herb
2019 Susan McDougall
2022 Ryan O'Dell
2019 Susan McDougall
|
|
Lathyrus palustris Marsh pea
• rare native
Perennial herb 
2021 Kipp Pow
2022 Dana York
2008 Jennifer L. Kalt
|
|
Lathyrus pauciflorus ssp. brownii Brown's brush pea
native
Perennial herb
2019 Julie Kierstead Nelson
2017 David popp
1992 Gary A. Monroe
|
|
Lathyrus sphaericus Grass peavine
non-native
Annual herb 
2019 Bill Haley
2019 Bill Haley
2018 James Gonsman
|
|
Lathyrus torreyi Redwood pea, Torrey's pea
native
Perennial herb 
2018 Hayley Ross
2018 Hayley Ross
2019 Jon Thompson
|
|
Lathyrus vestitus Bolander's pea, Common pacific pea, Pacific peavine
native
Perennial herb 
2018 Stacie Wolny
2019 Ron Vanderhoff
2019 Steve Conger
|
|
Lathyrus vestitus var. ochropetalus Bolander's pacific pea, Bolander's pea, Pale pacific pea
native
Perennial herb 
2016 Stephanie Sonora
2013 Ron Clark
2013 Ron Clark
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb 
2023 Steve Conger
2022 Charles Russell
2015 Chris Jaster
|
|
Layia carnosa Beach layia, Beach tidytips
• rare native
Annual herb 
2020 David Greenberger
2019 Scott Yarger
2016 Steve Matson
|
|
non-native
Perennial herb 
2008 Dee Warenycia
2009 Zoya Akulova
2009 Zoya Akulova
|
|
Leontodon saxatilis Hawkbit
non-native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2023 Alaine Arslan
|
|
Lepidium didymum Lesser swine cress
non-native
Annual herb 
2022 Shawna Martinez
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Leptosiphon androsaceus False babystars
native
Annual herb 
2010 Jeffrey Hapeman
2020 R.A. Chasey
2014 James Gonsman
|
|
Leptosiphon bicolor True babystars
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Leucanthemum vulgare Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb
2020 Kim Cabrera
2019 Julian Geoghegan
2017 James Gonsman
|
|
Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Ligusticum californicum California licorice root, California lovage
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Lilium bolanderi Bolander's lily
• rare native
Perennial herb (bulb) 
2018 Anna Sereno
2018 Anna Sereno
2020 Kolby Lundgren
|
|
Lilium columbianum Columbia lily, Columbian lily, Oregon lily
native
Perennial herb 
2021 Mary Ann Machi
2023 Mary Ann Machi
2013 James Gonsman
|
|
Limnanthes douglasii ssp. nivea Snow white meadowfoam
native
Annual herb 
2018 Evan Johnson
2019 Cynthia Powell
2019 Cynthia Powell
|
|
Linanthus bicolor ssp. bicolor True babystars
native
Annual herb
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Linaria dalmatica Dalmatian toadflax
non-native
Perennial herb 
2022 Jonathan Widdicombe
2005 Louis-M. Landry
2022 Jonathan Widdicombe
|
|
Linaria genistifolia ssp. dalmatica Dalmatian toadflax
• invasive non-native
Perennial herb 
2021 Dennis Diaz
2016 Phil Zortman
2019 Caleb Cole
|
|
Linum bienne Narrow leaved flax, Pale flax, Small flowered flax
non-native
Annual herb 
2019 Ken Lunders
2021 Cameron Chabre
2018 Cynthia Powell
|
|
Listera banksiana Northwest twayblade
native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Kolby Lundgren
|
|
Listera cordata Heart leaved twayblade, Heartleaf twayblade
• rare native
Perennial herb 
2021 Timothy Boomer
2021 Timothy Boomer
2022 Steve Conger
|
|
Lithocarpus densiflorus Tanoak
native
Tree, Shrub 
2022 David Strauch
2019 Bryant Baker
2020 Asa B Spade
|
|
Lithophragma affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Lithophragma affine ssp. affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb
2018 Steve Matson
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 Bob Sweatt
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb 
2017 Barbara Boethling
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Lolium perenne ssp. multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Lomatium dissectum Fern leaved lomatium, Fernleaf biscuitroot
native
Perennial herb 
2020 Bob Sweatt
2019 Bob Sweatt
2020 Bob Sweatt
|
|
Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium
native
Perennial herb 
2018 Gary McDonald
2022 John Rawlings
2013 Gary McDonald
|
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb 
2006 Steve Matson
2019 Eliezer Margolis
2015 James Gonsman
|
|
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
2020 Susan McDougall
2020 Camille Nowell
|
|
Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle
native
Shrub 
2014 James Gonsman
2022 Suzanne L. Weakley
2010 Toni Corelli
|
|
Lonicera nitida Small Tree-Mallow
|
|
Lophochlaena refracta Nodding semaphore grass, Nodding semaphoregrass
• rare native
Perennial grass (rhizomatous) 
2022 R.A. Chasey
2022 R.A. Chasey
2018 Claire Brown
|
|
Lotus aboriginum Small Tree-Mallow
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb 
2005 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lotus purshianus American bird's foot trefoil, Spanish lotus
native
Annual herb 
2019 Rachelle Gray
2013 Arcangelo Wessells
2020 Bob Sweatt
|
|
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 
2022 David Strauch
2019 Lenihan Mazur
2019 Patrick Furtado
|
|
Luina hypoleuca Little leaf luina, Littleleaf silverback
native
Perennial herb 
2022 Mary Ann Machi
2022 Mary Ann Machi
2023 Mary Ann Machi
|
|
Lupinus andersonii Anderson's lupine
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Lupinus arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub 
2019 Patrick Furtado
2014 Steve Matson
2020 Steve Matson
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb 
2021 Ken Lunders
2022 Mike Russler
2019 Gary McDonald
|
|
Lupinus bicolor ssp. umbellatus Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb
2021 Ken Lunders
2022 Mike Russler
2019 Gary McDonald
|
|
Lupinus latifolius Bigleaf lupine, Broad leaf lupine, Broadleaf lupine
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2008 Steve Matson
|
|
Lupinus latifolius ssp. latifolius Broad leaf lupine
native
Perennial herb 
2021 John Rawlings
2020 Paul Aigner
2021 Steve Matson
|
|
Lupinus littoralis Seashore lupine
native
Perennial herb 
2022 Mary Sue Ittner
2008 Gerald D. Carr
2008 Gerald D. Carr
|
|
Lupinus rivularis Riverbank lupine
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Luzula comosa Common wood rush, Hairy wood rush, Pacific woodrush
native
Perennial grasslike herb 
2019 Matt Berger
2021 Steve Matson
2021 Steve Matson
|
|
Luzula parviflora Small flowered wood rush, Smallflowered woodrush
native
Perennial grasslike herb 
2022 Dana York
2019 David Greenberger
2012 Aaron Arthur
|
|
Luzula subsessilis Pacific woodrush
native
Perennial grasslike herb 
2024 John Rawlings
2021 David popp
2021 David popp
|
|
Lycopodium clavatum Running clubmoss, Running pine
• rare native
2020 Wyatt Dooley
2018 Jonathan Lee
2021 Gabe Cashman
|
|
Lysichiton americanus American skunkcabbage, Yellow skunk cabbage
native
Perennial herb 
2011 Paul Preston
2016 Steve Matson
2016 Steve Matson
|
|
Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb 
2019 Diane Etchison
2021 Cynthia Powell
2020 Ron Vanderhoff
|
|
Madia capitata Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb 
2013 Ron Vanderhoff
2021 David Wolfson
2021 Zoya Akulova-Barlow
|
|
Madia elegans Common madia
native
Annual herb 
2021 Jamie Spielmann
2021 Mike Russler
2020 Diane Etchison
|
|
Madia elegans ssp. elegans Common madia
native
Annual herb
2021 Jamie Spielmann
2021 Mike Russler
2020 Diane Etchison
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb 
2023 Dianne Lake
2023 Ron Vanderhoff
2021 Helen Hancock
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb 
2022 Mike Russler
2021 Amber Bedgood
2019 Ron Vanderhoff
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb
2013 Ron Vanderhoff
2021 David Wolfson
2021 Zoya Akulova-Barlow
|
|
Magnolia grandiflora Southern magnolia
non-native
Tree 
2018 Philip Oakley Otto
Nick Kurzenko
2018 Philip Oakley Otto
|
|
Mahonia aquifolium Mountain grape, Mountaingrape, Oregon grape
native
Shrub
2022 Cara Wilcox
2021 Mike Russler
2021 Mike Russler
|
|
Maianthemum dilatatum False lily of the valley, False lily of the vally, Pacific may lily
native
Perennial herb 
2020 Doug Allshouse
2020 Susan McDougall
2022 Dee Shea Himes
|
|
Maianthemum racemosum Feathery false lily of the valley
native
Perennial herb 
2020 Bob Sweatt
2018 Steve Matson
2019 Cynthia Powell
|
|
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley
native
Perennial herb
2020 Bob Sweatt
2018 Steve Matson
2019 Cynthia Powell
|
|
Maianthemum stellatum Starry false lily of the valley
native
Perennial herb 
2021 Cyril Guyot
2003 Steve Matson
2020 Susan McDougall
|
|
Malus fusca Oregon crab apple, Oregon crabapple
native
Tree, Shrub 
2018 Adam Canter
2018 Cynthia Powell
2018 Cynthia Powell
|
|
Malus pumila Paradise apple
non-native
Tree 
2014 Ramona Robison
2018 Angelique Herman
2005 Louis-M. Landry
|
|
Malva neglecta Common mallow, Dwarf mallow
non-native
Annual, Perennial herb 
2022 Bob Sweatt
2019 Randy Huey
2022 Bob Sweatt
|
|
Marah oreganus Coast man-root
native
Perennial herb, Vine 
2020 Susan McDougall
2017 James Gonsman
2016 Steve Matson
|
|
Matricaria discoidea Pineapple weed
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2018 Stacie Wolny
|
|
Medicago arabica Spotted burclover, Spotted medick
non-native
Annual herb 
2023 R.A. Chasey
2023 R.A. Chasey
null
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald
|
|
Melica aristata Awned melic, Bearded melicgrass
native
Perennial grass 
2021 David popp
2022 John Rawlings
2017 Belinda Lo
|
|
Melica geyeri Geyer's onion grass, Geyer's oniongrass
native
Perennial grass 
2019 John Rawlings
2023 R.A. Chasey
2020 Robert Steers
|
|
Melica geyeri var. geyeri Geyer's onion grass, Geyer's oniongrass
native
Perennial grass
2019 John Rawlings
2023 R.A. Chasey
2020 Robert Steers
|
|
Melica harfordii Harford melic, Harford's melica, Harford's oniongrass
native
Perennial grass 
2021 Dee Shea Himes
2021 Dee Shea Himes
2021 Dee Shea Himes
|
|
Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass
native
Perennial grass 
2020 Sara Timby
2023 Teal Derrer
2022 Ellen Uhler
|
|
Melilotus alba Yellow sweetclover
• invasive non-native
Annual, Biennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Melilotus indica Annual yellow sweetclover, Sourclover
non-native
Annual herb 
2019 Randy Huey
2019 Randy Huey
2017 Rosalie Benitez
|
|
Mentha arvensis American wild mint, Field mint, Marsh mint
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2014 Steve Matson
|
|
Mentha arvensis ssp. haplocalyx American wild mint, Field mint, Marsh mint
native
Perennial herb
2003 Steve Matson
2003 Steve Matson
2014 Steve Matson
|
|
Mentha pulegium Pennyroyal
• invasive non-native
Perennial herb 
2014 James Gonsman
2022 R.A. Chasey
2015 Chris Jaster
|
|
Mentha spicata Spearmint
non-native
Perennial herb 
2022 Donald Burk
2022 Donald Burk
2023 Ron Vanderhoff
|
|
Mentha spicata var. spicata Spearmint
non-native
Perennial herb
2022 Donald Burk
2022 Donald Burk
2023 Ron Vanderhoff
|
|
Mentha Xpiperita Peppermint
non-native
Perennial herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
1995 Saint Mary's College of California
|
|
Menziesia ferruginea Mock azalea, Rusty menziesia
native
Shrub 
2013 James Gonsman
2011 Jean Pawek
2015 Adrienne Simmons
|
|
Micranthes californica Greene's saxifrage
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Micranthes howellii Howell's saxifrage
• rare native
Perennial herb 
2024 Steve Conger
2023 Dana York
2024 Mary Ann Machi
|
|
Micranthes integrifolia Smooth leaf saxifrage
native
Perennial herb 
2021 Art Clark
2021 Art Clark
2020 David popp
|
|
Micranthes marshallii Marshall's saxifrage
• rare native
Perennial herb 
2022 Dana York
2017 Barrett Jeffery
2017 Barrett Jeffery
|
|
Micropus californicus Cotton top, Micropus, Q tips
native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2021 Ron Vanderhoff
|
|
Micropus californicus var. californicus Q tips, Slender cottonweed
native
Annual herb
2006 Steve Matson
2021 Ron Vanderhoff
2016 Steve Matson
|
|
Microseris bigelovii Coast microseris, Coastal silverpuffs
native
Annual herb 
2023 Leslie Flint
2022 R.A. Chasey
2011 Toni Corelli
|
|
Microseris laciniata Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb 
2013 Gerald Carr
2013 Gerald Carr
2008 Gerald Carr
|
|
Microseris laciniata ssp. leptosepala Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb
2013 Gerald Carr
2013 Gerald Carr
2013 Gerald Carr
|
|
Microseris laciniata ssp. siskiyouensis Siskiyou microseris
native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Microseris laciniata var. siskiyouensis Cut leaved scorzonella, Cutleaf silverpuffs
native
Perennial herb
2013 Gerald Carr
2013 Gerald Carr
2008 Gerald Carr
|
|
Microseris nutans Nodding microceris, Nodding scorzonella, Perennial nodding microseris
native
Perennial herb 
2020 Bob Sweatt
2022 Steve Matson
2020 Bob Sweatt
|
|
Microsteris gracilis Slender phlox
native
Annual herb 
2003 Steve Matson
2016 Steve Matson
2003 Steve Matson
|
|
Mimulus aurantiacus Orange Bush Monkeyflower
native
Shrub 
2023 Bill Kress
2019 Stacie Wolny
2019 Gary McDonald
|
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb 
2014 James Gonsman
2023 Steve Conger
2021 Mike Russler
|
|
Mimulus dentatus Tooth leaved monkeyflower
native
Perennial herb 
2022 Dana York
2021 Dana York
and Buff Corsi
© 2013 California Academy of Sciences
|
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 
2019 Stacie Wolny
2015 James Gonsman
2019 Stacie Wolny
|
|
Mimulus guttatus var. guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)
2019 Stacie Wolny
2015 James Gonsman
2019 Stacie Wolny
|
|
Mimulus moschatus Musk monkeyflower
native
Perennial herb 
2014 James Gonsman
2019 Matt Berger
2018 Julie Kierstead Nelson
|
|
Minuartia californica California Sandwort
native
Annual herb 
2021 Steve Matson
2021 Steve Matson
2021 David popp
|
|
Minuartia douglasii Douglas' Stitchwort
native
Annual herb 
2022 Steve Matson
2019 Stacie Wolny
2021 R.A. Chasey
|
|
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 
2020 David Wolfson
2020 Asa B Spade
2019 Ron Vanderhoff
|
|
Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort
native
Perennial herb 
2019 Glenn Fine
2018 Matt Berger
2016 Mary Merriman
|
|
Mollugo verticillata Green carpetweed, Indian chickweed
non-native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2020 Sara Sweet
|
|
Monardella sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella
native
Perennial herb 
2021 Dana York
2021 Dana York
2021 Dana York
|
|
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
2021 Dana York
2021 Dana York
2021 Dana York
|
|
Moneses uniflora Oneflower wintergreen, Single delight, Woodnymph
• rare native
Perennial herb 
2018 Jonathan Lee
2011 Louis-M. Landry
2015 Dana York
|
|
Moneses uniflora var. reticulata Oneflower wintergreen, Single delight, Woodnymph
• rare native
Perennial herb
2018 Jonathan Lee
2011 Louis-M. Landry
2015 Dana York
|
|
Monotropa hypopithys Pinesap
native
Perennial herb (mycoparasitic) 
2020 R.A. Chasey
2010 Keir Morse
2016 Wynn Anderson
|
|
Monotropa uniflora Ghost pipe
• rare native
Perennial herb (mycoparasitic) 
2022 Mary Ann Machi
2019 Jonathan Lee
2022 Mary Ann Machi
|
|
Montia diffusa Diffuse miner's lettuce, Spreading minerslettuce
native
Annual herb 
2020 Alexandra Kookootsedes
2020 Alexandra Kookootsedes
2018 Alexandra Kookootsedes
|
|
Montia fontana Annual water minerslettuce, Water chickweed, Water montia
native
Annual herb 
2023 Alaine Arslan
2023 Alaine Arslan
2006 Steve Matson
|
|
Montia howellii Howell's minerslettuce, Howell's montia
• rare native
Annual herb 
2019 Jonathan Lee
2014 Sierra Pacific Industries
2019 Gabe Cashman
|
|
Montia minor Annual water minerslettuce, Water chickweed, Water montia
native
Annual herb
2023 Alaine Arslan
2023 Alaine Arslan
2006 Steve Matson
|
|
Montia parvifolia Littleleaf minerslettuce, Showy rock montia
native
Perennial herb 
2021 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Montia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty
native
Perennial herb
2017 Steve Matson
2017 Steve Matson
2015 James Gonsman
|
|
Muhlenbergia filiformis Pullup muhly, Slender muhly
native
Annual, Perennial grass 
2021 R.A. Chasey
2020 John Rawlings
2020 Susan McDougall
|
|
Myosotis discolor Changing forget me not, yellow and blue forget-me-not
non-native
Annual herb 
2017 Ron Vanderhoff
2023 Donald Burk
2019 David Greenberger
|
|
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
2022 Ecological Concerns Inc
|
|
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
Tree, Shrub 
2019 Michelle Karle
2020 Kim Cabera
2020 Susan McDougall
|
|
Narcissus pseudonarcissus Daffodil
non-native
Perennial herb (bulb) 
2019 Colleen Herr
2019 Tomas Zavala
2020 Diana Wahl
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic) 
2019 Patrick Furtado
2019 Diane Etchison
2012 Steve Matson
|
|
Navarretia squarrosa Skunkbush, Skunkweed
native
Annual herb 
2019 Marisa Persaud
2019 Patrick Furtado
2022 Suzanne L. Weakley
|
|
Nemophila menziesii Baby blue eyes
native
Annual herb 
2019 Matt Berger
2019 Diane Etchison
2019 Ron Vanderhoff
|
|
Nemophila parviflora Small flowered nemophila, Smallflower nemophila
native
Annual herb 
2022 Dana York
2022 John Rawlings
2022 Eric Koberle
|
|
Nemophila parviflora var. parviflora Small flowered nemophila, Smallflower nemophila, Woodland nemophila
native
Annual herb 
2019 John Rawlings
2021 Zoya Akulova-Barlow
2023 Dana York
|
|
native
Tree, Shrub 
2020 R.A. Chasey
2022 David popp
2020 Susan McDougall
|
|
Notholithocarpus densiflorus var. echinoides Tanoak shrub
native
Tree, Shrub 
2019 Joey Santore
2019 Susan McDougall
2013 Neal Kramer
|
|
Nuphar luteum Small Tree-Mallow
|
|
Nuphar polysepala Rocky mountain pond-lily
native
Perennial herb (aquatic) 
2023 Cynthia Powell
2023 Cynthia Powell
2023 Cynthia Powell
|
|
Oemleria cerasiformis Indian plum, Oso berry
native
Shrub 
2019 Margo Bors
2019 Stacie Wolny
2023 David Wolfson
|
|
Oenanthe sarmentosa Pacific oenanthe, Water parsley
native
Perennial herb 
2021 Don Hollander
2021 Ron Vanderhoff
2021 Rosaleen
|
|
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
2016 Jim Xerogeanes
2023 Mary Ann Machi
|
|
Orobanche uniflora Purple broomrape
Annual herb 
2022 Helen Hancock
2023 Katie O'Hara-Kelly
2022 Dana York
|
|
Orobanche uniflora var. purpurea Purple broomrape
Annual herb
2022 Helen Hancock
2023 Katie O'Hara-Kelly
2022 Dana York
|
|
Orobanche uniflora var. sedii Purple broomrape
Annual herb
2022 Helen Hancock
2023 Katie O'Hara-Kelly
2022 Dana York
|
|
Osmorhiza berteroi Sweet cicely
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Osmorhiza occidentalis Mountain sweet cicely, Western sweet cicely, Western sweetroot
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2003 Steve Matson
|
|
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 
2022 Donald Burk
2022 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Oxalis incarnata Crimson woodsorrel
non-native
Perennial herb 
2022 Friends of Five Creeks volunteers
2018 MCOSD EDRR
2012 Yves Antoinette
|
|
Oxalis oregana Redwood sorrel
native
Perennial herb 
2021 Caitlyn Allchin
2021 Steve Matson
2021 Steve Matson
|
|
Oxalis suksdorfii Suksdorf woodsorrel
• rare native
Perennial herb 
2020 Kolby Lundgren
2020 Kolby Lundgren
2019 Jonathan Lee
|
|
Ozomelis trifida Three parted miterwort
native
Perennial herb 
2021 Dana York
2021 Dana York
2021 Dana York
|
|
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 
2017 David Greenberger
2020 Julie A. Kierstead
2021 R.A. Chasey
|
|
Panicum acuminatum var. acuminatum Western panicgrass, Western panicum, Western witch grass
native
Perennial grass
2017 David Greenberger
2020 Julie A. Kierstead
2021 R.A. Chasey
|
|
Panicum pacificum Pacific panic grass
native
Perennial grass
2021 R.A. Chasey
2016 Steve Matson
2016 Steve Matson
|
|
Parentucellia viscosa Yellow glandweed, Yellow parentucellia
• invasive non-native
Annual herb 
2021 Janice Kuch
2022 Donald Burk
2017 Eric Wrubel
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass 
2018 Ron Vanderhoff
2017 Barbara Boethling
2021 Ron Vanderhoff
|
|
Pectiantia ovalis Coastal miterwort
native
Perennial herb 
2021 Dana York
2021 Dana York
2021 Dana York
|
|
Penstemon rattanii Rattan's beardtongue
native
Perennial herb 
2021 Larry Nichols
2015 Jimmie Sierra
2021 Larry Nichols
|
|
Penstemon rattanii var. rattanii Rattan's beardtongue
native
Perennial herb
2021 Larry Nichols
2013 Dana York
2013 Dana York
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern 
2008 Steve Matson
2008 Steve Matson
2019 Gary McDonald
|
|
Perideridia gairdneri Gairdner's yampah, Gardner's yampah
native
Perennial herb 
2023 Cynthia Powell
2021 Larry Dizmang
2021 Mary Conway
|
|
Perideridia kelloggii Kellogg's yampah, Yampah
native
Perennial herb 
2022 Suzanne L. Weakley
2023 Ryan O'Dell
2022 R.A. Chasey
|
|
Persicaria maculosa Spotted ladysthumb
non-native
Annual herb 
2020 R.A. Chasey
2021 joaquin hale
2021 joaquin hale
|
|
Persicaria punctata Dotted smartweed
native
Perennial herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2022 Helen Hancock
|
|
Petasites frigidus Arctic sweet coltsfoot
native
Perennial herb 
2020 Trevor Schalla
2018 Saskia Raether
2021 Chuck Kozak
|
|
Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2019 Steve Conger
|
|
Petrorhagia dubia Hairypink, Pink grass, Wilding pink
non-native
Annual herb 
2016 Bill Thiessen
2019 Joe Engelbrecht
2016 Andrew Longman
|
|
Phacelia bolanderi Bolander's phacelia, Redwood phacelia
native
Perennial herb 
2021 Don Hollander
2017 Peter Warner
2009 Zoya Akulova
|
|
Phacelia heterophylla ssp. virgata Varied leaf phacelia
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Phacelia nemoralis Shade phacelia, Woods phacelia
native
Perennial herb 
2020 Ken Hickman
2018 Jennifer Wheeler
2016 Bruce Homer-Smith
|
|
Phacelia ramosissima Branching phacelia
native
Perennial herb 
2005 Steve Matson
2022 Rosalind Helfand
2020 Ron Vanderhoff
|
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass 
2018 Thomas Reyes
2021 Lenihan Mazur
2022 Lenihan Mazur
|
|
Phalaris arundinacea Reed canarygrass
native
Perennial grass 
2018 Michelle Forys
2020 Donald Burk
2022 Dianne Lake
|
|
Phalaris californica California canarygrass, Canarygrass
native
Perennial grass 
2021 Dan Quinn
2017 Toni Corelli
2018 Brian Charles
|
|
Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass
non-native
Annual grass 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass 
2021 David popp
2021 John Rawlings
2017 James Bailey
|
|
Phalaris tuberosa Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass
2018 Thomas Reyes
2021 Lenihan Mazur
2022 Lenihan Mazur
|
|
Philadelphus californicus Lewis' mock orange, Mock orange, Wild mock orange
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2022 John Rawlings
|
|
Philadelphus lewisii Lewis' mock orange, Mock orange, Wild mock orange
native
Shrub
2016 Steve Matson
2016 Steve Matson
2022 John Rawlings
|
|
Phleum pratense Common timothy, Cultivated timothy, Timothy
non-native
Perennial grass 
2013 BOB CASE
2019 Julie Kierstead Nelson
2021 Emily R. Allen
|
|
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 
2021 Dee Shea Himes
2020 Julie A. Kierstead
2020 David Self
|
|
Phoradendron villosum Mistletoe
native
Shrub (parasitic) 
2022 David popp
2020 R.A. Chasey
2021 R.A. Chasey
|
|
Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark
native
Shrub 
2020 Helen Hancock
2018 Julian Geoghegan
2019 Julie Kierstead Nelson
|
|
Picea sitchensis Sitka spruce
native
Tree 
2018 Richard Spjut
2022 R.A. Chasey
2021 Julie A. Kierstead
|
|
Pinus attenuata Knobcone pine, Scrub pine
native
Tree 
2009 Ron Vanderhoff
2018 Hayley Ross
2019 Cynthia Powell
|
|
Pinus contorta Beach pine, Lodgepole pine
native
Tree 
2019 Jay Chamberlain
2018 Tricia Bippus
2023 Cynthia Powell
|
|
Pinus halepensis Aleppo pine
non-native
Tree 
2020 Ron Vanderhoff
2019 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Pinus patula Mexican weeping pine
non-native
Tree 
2023 John Malpas
2023 John Malpas
2023 John Malpas
|
|
Pinus radiata Monterey pine
native
Tree 
2011 Toni Corelli
2012 Michael Mitchell
2012 Michael Mitchell
|
|
Piperia elegans Coast piperia, Elegant piperia, Elegant rein orchid
native
Perennial herb 
2018 Alexandra Kookootsedes
2023 Steve Conger
2022 Hunter Breck
|
|
Piperia elegans ssp. elegans Elegant piperia
native
Perennial herb 
2018 Saskia Raether
2022 Cynthia Powell
2017 Nicole Mercier
|
|
Pityopus californica California pinefoot, Pityopus
native
Perennial herb (mycoparasitic)  2010 Sean B. Smith
|
|
• rare native
Perennial herb (mycoparasitic) 
2022 Hunter Breck
2022 Hunter Breck
2022 Hunter Breck
|
|
Pityrogramma triangularis Gold back fern
native
Fern
2008 Steve Matson
2008 Steve Matson
2019 Gary McDonald
|
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2015 Steve Matson
|
|
Plantago bigelovii ssp. bigelovii Annual coast plantago, Coastal plantain, Long leaf plantain
native
Annual herb 
2017 Barbara Boethling
2019 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Plantago coronopus Buckhorn plantain, Cut leaf plantain
• invasive non-native
Annual herb 
2022 R.A. Chasey
2021 Zoya Akulova-Barlow
2017 MCOSD Restoration Crew
|
|
Plantago elongata Annual coast plantago, Coastal plantain, Long leaf plantain
native
Annual herb
2017 Barbara Boethling
2019 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Plantago hirtella var. galeottiana Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb 
2019 Patrick Furtado
2022 Dianne Lake
2009 Toni Corelli
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Joe Engelbrecht
2021 Ken Lunders
|
|
Plantago major Common plantain
non-native
Perennial herb 
2019 Bob Sweatt
2022 Diana Wahl
2020 Ryan Carle
|
|
Plantago maritima Alkali plantain, Goose tongue, Maritime plantain
native
Perennial herb 
2018 Adam Chasey
2021 Jamie Spielmann
2020 Ken Hickman
|
|
Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb
2019 Patrick Furtado
2022 Dianne Lake
2009 Toni Corelli
|
|
Plectritis congesta Sea blush, Shortspur seablush
native
Annual herb 
2023 Helen Hancock
2023 Catherine Chang
2023 Helen Hancock
|
|
Plectritis congesta ssp. brachystemon Shortspur seablush
native
Annual herb
2023 Catherine Chang
2005 Steve Matson
2018 Gail Johnson
|
|
Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis
native
Annual herb 
2019 Gary McDonald
2020 Bob Sweatt
2020 Susan McDougall
|
|
Pleuricospora fimbriolata Fringed pinesap
native
Perennial herb (mycoparasitic) 
2016 Steve Matson
2016 Steve Matson
2020 R.A. Chasey
|
|
Pleuropogon refractus Nodding semaphore grass, Nodding semaphoregrass
• rare native
Perennial grass (rhizomatous)
2022 R.A. Chasey
2022 R.A. Chasey
2018 Claire Brown
|
|
Poa compressa Canada blue grass, Canada bluegrass
non-native
Perennial grass  2006 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Poa howellii Howell's blue grass, Howell's bluegrass
native
Annual grass 
2018 Ken Hickman
2020 Ken Hickman
2020 Ken Hickman
|
|
Poa kelloggii Kellogg's bluegrass, Redwood blue grass
native
Perennial grass 
2021 Chris Brant
2022 John Rawlings
2023 Ellen Uhler
|
|
Poa piperi Piper's blue grass, Piper's bluegrass
• rare native
Perennial grass (rhizomatous) 
2017 Dana York
2017 Dana York
2017 Dana York
|
|
Poa pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass 
2013 Andrea Williams
2008 Keir Morse
2013 Andrea Williams
|
|
Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass 
2021 John Rawlings
2020 Diana Wahl
1998 Dean Wm. Taylor (Poa pratensis ssp. agassizensis)
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp
non-native
Annual herb 
2020 Ron Vanderhoff
2019 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Polygala californica California Milkwort
native
Perennial herb 
2020 Janice Kuch
2021 Larry Dizmang
2020 David Wolfson
|
|
Polygonum argyrocoleon Persian knotweed, Silver sheath knotweed, Silversheath knotweed
non-native
Annual herb 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Polygonum aviculare ssp. depressum Prostrate knotweed
non-native
Annual, Perennial herb 
2016 Barbara Boethling
2021 Ron Vanderhoff
2014 Richard Chasey
|
|
Polygonum douglasii Douglas' knotweed
native
Annual herb 
2020 Bob Sweatt
2022 Mike Russler
2022 Mike Russler
|
|
Polygonum douglasii ssp. spergulariiforme Spurry knotweed
native
Annual herb 
2016 Steve Matson
2021 Dana York
2020 R.A. Chasey
|
|
Polygonum paronychia Beach knotweed, Dune knotweed
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Polygonum spergulariiforme Spurry knotweed
native
Annual herb
2016 Steve Matson
2021 Dana York
2020 R.A. Chasey
|
|
Polypodium californicum California polypody
native
Fern 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2023 Keir Morse
|
|
Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody
native
Fern 
2018 Gregory Arena
2021 R.A. Chasey
2022 David Strauch
|
|
Polypogon australis Chilean beard grass, Chilean rabbitsfoot grass
non-native
Perennial grass 
2018 Elliot Gunnison
2020 David popp
2018 Elliot Gunnison
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Polystichum imbricans Cliff sword fern, Narrow leaved sword fern, Narrowleaf swordfern
native
Fern 
2009 Ron Vanderhoff
2018 David popp
2015 Robert Barnard
|
|
Polystichum munitum Western sword fern, Western swordfern
native
Fern 
2021 Julie A. Kierstead
2022 Jerry Murray
2011 Toni Corelli
|
|
Populus alba Silver poplar, White poplar
non-native
Tree 
2020 Maisie Borg
2016 Sara Sweet
2020 Jennifer Mo
|
|
Populus trichocarpa Black cottonwood
native
Tree 
2019 Ron Vanderhoff
2012 Steve Matson
2012 Steve Matson
|
|
Potamogeton natans Floating leaved pondweed, Floating pondweed
native
Perennial herb (aquatic) 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Potamogeton nodosus Long leaved pondweed, Longleaf pondweed, Pondweed
native
Perennial herb (aquatic) 
2020 Ken Hickman
2019 Gena Bentall
2020 Ken Hickman
|
|
Potamogeton pectinatus Sago pondweed
native
Perennial herb (aquatic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Potamogeton richardsonii Richardson's pondweed
native
Perennial herb (aquatic) 
2017 Gerald Carr
2017 Gerald Carr
2017 Gerald Carr
|
|
Potentilla anserina Silver weed cinquefoil, Silverweed
native
Perennial herb 
2015 James Gonsman
2021 Rosaleen
2019 Joerg Lohse
|
|
Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed
native
Perennial herb 
2022 R.A. Chasey
2021 Charles Russell
2022 R.A. Chasey
|
|
Potentilla glandulosa Sticky cinquefoil
native
Perennial herb 
2020 Mary Conway
2019 Diane Etchison
2020 Diane Etchison
|
|
Potentilla gracilis Northwest cinquefoil, Slender cinquefoil
native
Perennial herb 
2023 Steve Conger
2022 Mike Russler
2019 Bob Sweatt
|
|
Potentilla gracilis var. gracilis Graceful cinquefoil, Slender cinquefoil
native
Perennial herb 
2020 Sarah Williams
2019 Susan McDougall
2019 Susan McDougall
|
|
Poterium sanguisorba Garden burnet
non-native
Perennial herb 
2019 Jennifer Mo
2021 David Wolfson
2018 Cynthia Powell
|
|
Prosartes hookeri Drops of gold
native
Perennial herb 
2021 Norma Solarz
2021 Cara Wilcox
2019 Stacie Wolny
|
|
Prunella vulgaris Common selfheal, Self heal, Selfheal
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2014 Christopher P. Cook
|
|
Prunella vulgaris var. elongata Lance leaf self heal, Mountain selfheal
native
Perennial herb 
2003 Steve Matson
2022 Zoya Akulova-Barlow
2022 Zoya Akulova-Barlow
|
|
Prunella vulgaris var. lanceolata Lance leaf self heal, Mountain selfheal
native
Perennial herb
2003 Steve Matson
2022 Zoya Akulova-Barlow
2022 Zoya Akulova-Barlow
|
|
Prunus cerasifera Cherry plum
• invasive non-native
Tree 
2021 MCOSD EDRR
2019 MCOSD EDRR
2015 jamie smith
|
|
Prunus emarginata Bitter cherry
native
Tree, Shrub 
2020 Belinda Lo
2004 Steve Matson
2006 Steve Matson
|
|
Prunus glandulosa Small Tree-Mallow
|
|
Prunus laurocerasus Cherry laurel
non-native
Tree, Shrub 
2021 Nikita Yakubovich
2017 Julian Geoghegan
2017 Julian Geoghegan
|
|
Prunus virginiana Chokecherry
native
Tree, Shrub 
2005 Steve Matson
2005 Steve Matson
2021 Arlee Montalvo
|
|
Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry
native
Tree, Shrub
2005 Steve Matson
2005 Steve Matson
2020 Susan McDougall
|
|
Pseudognaphalium ramosissimum Pink cudweed
native
Annual, Biennial herb 
2021 R.A. Chasey
2021 R.A. Chasey
2017 Gary McDonald
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Pseudotrillium rivale Siskiyou wakerobin
native
Perennial herb 
2023 Steve Conger
2024 Steve Conger
2023 Dana York
|
|
Pseudotsuga menziesii var. menziesii Douglas fir, Douglas spruce, False hemlock
native
Tree 
2020 David Krause
2022 David popp
2024 David popp
|
|
Psoralea physodes California tea, Common rupertia, Forest scurfpea
native
Perennial herb 
2023 R.A. Chasey
2023 Steve Conger
2020 R.A. Chasey
|
|
Pteridium aquilinum Western brackenfern
native
Fern 
2019 Ron Vanderhoff
2019 Cynthia Powell
2020 Cara Wilcox
|
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2022 Bob Sweatt
|
|
Puccinellia nutkaensis Alaska alkali grass, Nootka alkaligrass
native
Perennial grass 
2020 John Rawlings
2019 Patrick Furtado
2019 Patrick Furtado
|
|
Pyracantha angustifolia Narrowleaf firethorn
• invasive non-native
Shrub 
2018 Abbot Chambers
2019 Abbot Chambers
2018 Chris Qian
|
|
Pyrola asarifolia ssp. bracteata Bog wintergreen, Pink wintergreen
native
Perennial herb 
2007 Gerald Carr
2007 Gerald Carr
2007 Gerald Carr
|
|
Pyrola bracteata Bog wintergreen, Pink wintergreen
native
Perennial herb
2007 Gerald Carr
2007 Gerald Carr
2007 Gerald Carr
|
|
Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak
native
Tree 
2017 Aaron Sunshine
2020 R.A. Chasey
2018 joaquin hale
|
|
Quercus garryana var. garryana Oregon oak, Oregon white oak
native
Tree 
2023 Michele Hammond
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Quercus kelloggii Black oak, California black oak
native
Tree 
2020 Kim Cabrera
2021 Emily Sluiman
2023 Ryan O'Dell
|
|
Quercus sadleriana Deer oak, Sadler oak
native
Shrub 
2018 Julie Kierstead Nelson
2022 Dana York
2019 Belinda Lo
|
|
Quercus vaccinifolia Huckleberry oak
native
Shrub 
2003 Steve Matson
2010 Steve Matson
2022 Steve Matson
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb 
2019 David Greenberger
2021 Ron Vanderhoff
2017 Steve Matson
|
|
Ranunculus californicus California buttercup
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Ranunculus muricatus Buttercup, Pricklefruit buttercup, Spiny buttercup
non-native
Annual, Perennial herb 
2023 R.A. Chasey
2023 Alaine Arslan
2009 Julie A. Kierstead
|
|
Ranunculus occidentalis Western buttercup
native
Perennial herb 
2020 Ron Vanderhoff
2008 Steve Matson
2022 Ron Vanderhoff
|
|
Ranunculus occidentalis var. eisenii Western buttercup
native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Ranunculus repens Creeping buttercup, Crowfoot, creeping buttercup
• invasive non-native
Perennial herb 
2022 Bob Sweatt
2021 Norma Solarz
2017 Elliot Gunnison
|
|
Ranunculus repens var. repens Creeping buttercup, Crowfoot, creeping buttercup
• invasive non-native
Perennial herb
2022 Bob Sweatt
2021 Norma Solarz
2017 Elliot Gunnison
|
|
Ranunculus uncinatus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup
native
Annual, Perennial herb 
2019 Ken Hickman
2019 Ken Hickman
2017 James Gonsman
|
|
Ranunculus uncinatus var. parviflorus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup
native
Annual, Perennial herb
2019 Ken Hickman
2019 Ken Hickman
2017 James Gonsman
|
|
Raphanus raphanistrum Jointed charlock, Painted charlock, Wild radish
non-native
Annual, Perennial herb 
2018 Angelique Herman
2016 Camille Nowell
2018 Angelique Herman
|
|
Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb 
2017 Lisa Miller
2020 Ron Vanderhoff
2023 Julia Markey
|
|
Rhamnus californica California coffeeberry
native
Shrub 
2019 Talila Golan
2018 Mary Conway
2015 Steve Matson
|
|
Rhododendron columbianum Western labrador tea
native
Shrub 
2005 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Rhododendron macrophyllum California rose bay, Coast rhododendron, Pacific rhododendron
native
Shrub 
2017 Steve Matson
2020 Aaron Echols
2017 Steve Matson
|
|
Rhododendron occidentale Western azalea
native
Tree, Shrub 
2019 David Greenberger
2015 Steve Matson
2020 Julie A. Kierstead
|
|
Ribes bracteosum Stink currant
native
Shrub 
2020 Susan McDougall
2014 Susan McDougall
2008 Matt Below
|
|
Ribes cruentum var. cruentum Sierra gooseberry, Spiny fruited gooseberry
native
Shrub 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Ribes divaricatum Spreading gooseberry
native
Shrub 
2012 Terrence Gosliner
2022 Dee Shea Himes
2017 Gregory Arena
|
|
Ribes laxiflorum Trailing black currant
• rare native
Shrub 
2019 Tristan K Cole
2010 Dana York
2006 Melissa Brooks Kraemer
|
|
Ribes menziesii Canyon gooseberry, Gooseberry
native
Shrub 
2019 Michael Mitchell
2016 Steve Matson
2016 Steve Matson
|
|
Ribes roezlii Sierra gooseberry, Sierran Gooseberry
native
Shrub 
2020 Robert Langellier
2022 Ron Vanderhoff
2009 BOB CASE
|
|
Ribes roezlii var. cruentum Sierra gooseberry, Spiny fruited gooseberry
native
Shrub
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Ribes sanguineum Flowering currant, Red flowering currant, Redflower currant
native
Shrub 
2020 Hunter Breck
2018 Michael Kauffmann
2020 Mary Conway
|
|
Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant
native
Shrub 
2020 Talila Golan
2018 John Rusk
2018 Hunter Breck
|
|
Robinia pseudo-acacia Black locust
• invasive non-native
Tree 
2021 Ron Vanderhoff
2021 David Wolfson
2015 Ron Vanderhoff
|
|
Robinia pseudoacacia Black locust
• invasive non-native
Tree
2021 Ron Vanderhoff
2021 David Wolfson
2015 Ron Vanderhoff
|
|
Rosa californica California wild rose, California wildrose
native
Shrub 
2022 Suzanne L. Weakley
2022 Suzanne L. Weakley
2020 R.A. Chasey
|
|
Rosa gymnocarpa Dwarf rose, Baldhip rose
native
Shrub 
2012 Michael Mitchell
2012 Michael Mitchell
2017 David popp
|
|
Rosa gymnocarpa var. gymnocarpa Wood rose
native
Shrub 
2019 James Gonsman
2020 David Krause
2017 Steve Matson
|
|
Rosa nutkana ssp. nutkana Nootka rose
native
Shrub 
2021 Alison Gardner
2021 Alison Gardner
2014 Zoya Akulova
|
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub 
2021 David Gowen
1973 Geoff Burleigh
2020 David Krause
|
|
Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry
non-native
Shrub 
2017 Chris Friedel
2021 Donald Burk
2014 John Malpas
|
|
Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry
native
Shrub 
2019 Bob Sweatt
2019 Bob Sweatt
2023 R.A. Chasey
|
|
Rubus parviflorus Western thimbleberry, Thimbleberry
native
Vine, Shrub 
2022 Zoya Akulova-Barlow
2020 Mary Sue Ittner
2019 Patrick Furtado
|
|
Rubus procerus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
2014 James Gonsman
2020 Julie A. Kierstead
2018 Richard Spjut
|
|
Rubus spectabilis Salmon berry, Salmonberry
native
Shrub 
2017 James Gonsman
2022 Zoya Akulova-Barlow
2016 Steve Matson
|
|
Rubus ulmifolius var. anoplothyrsus Elm leaf bramble
non-native
Vine, Shrub 
2024 Donald Burk
2011 Tony Morosco
2020 Ramona Robison
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub 
2018 Ken Lunders
2019 Ron Vanderhoff
2015 Kelli Kallenborn
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
2017 Gary McDonald
2008 Steve Matson
2019 Patrick Furtado
|
|
Rumex crassus Willow leaved dock
native
Perennial herb 
2019 Patrick Furtado
2008 Toni Corelli
2021 Cynthia Powell
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
2018 Tim Lewis
2019 Diane Etchison
2023 Ron Vanderhoff
|
|
Rumex transitorius Willow dock
native
Perennial herb 
2009 Toni Corelli
2011 Toni Corelli
2008 Toni Corelli
|
|
Rupertia physodes California tea, Common rupertia, Forest scurfpea
native
Perennial herb
2023 R.A. Chasey
2023 Steve Conger
2020 R.A. Chasey
|
|
Rytidosperma penicillatum Purple awned wallaby grass , Hairy oat grass, Poverty grass
• invasive non-native
Perennial grass 
2019 Eric Wrubel
2014 Alex Beakes
2018 Sarah Inman
|
|
Sagina maxima ssp. crassicaulis Beach pearlwort, Perennial pearlwort, Stickystem pearlwort
native
Perennial herb  2011 Sangeet Khalsa
 2005 Doreen L. Smith
|
|
Sagina procumbens Arctic pearlwort, Birdeye pearlwort
native
Perennial herb 
2022 John Doyen
2022 John Doyen
2022 John Doyen
|
|
Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort
native
Perennial herb 
2023 R.A. Chasey
2022 Bob Sweatt
2022 Bob Sweatt
|
|
Salix hookeriana Coastal willow, Dune willow
native
Tree, Shrub 
2022 R.A. Chasey
2022 John Rawlings
2019 Susan McDougall
|
|
Salix lasiandra var. caudata Shining willow
native
Shrub  1995 Saint Mary's College of California
 1995 Saint Mary's College of California
 1995 Saint Mary's College of California
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2020 Steve Matson
|
|
Salix sitchensis Coulter willow, Sitka willow
native
Tree, Shrub 
2019 Ken Hickman
2019 Ken Hickman
2022 Mary Conway
|
|
Sambucus mexicana Blue elderberry
native
Tree, Shrub 
2021 Mike Russler
2020 Diane Etchison
2022 El Byrne
|
|
Sambucus racemosa ssp. pubens Pacific red elderberry
native
Shrub 
2021 R.A. Chasey
2017 James Gonsman
2014 James Gonsman
|
|
Sanicula arctopoides Footsteps of spring, Yellow mats
native
Perennial herb 
2019 Eliezer Margolis
2017 James Gonsman
2017 James Gonsman
|
|
Sanicula bipinnatifida Purple sanicle, Snakeroot, Purple Sanicle, Shoe Buttons
native
Perennial herb 
2019 Diane Etchison
2018 Gary McDonald
2021 Robin Carter
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb 
2023 Steve Conger
2023 Steve Conger
2021 Steve Laymon
|
|
Sanicula crassicaulis var. crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb
2023 Steve Conger
2023 Steve Conger
2021 Steve Laymon
|
|
Sanicula laciniata Coast sanicle, Coastal blacksnakeroot
native
Perennial herb 
2022 Diane Renshaw
2022 R.A. Chasey
2018 Ken Hickman
|
|
Sanicula peckiana Peck's blacksnakeroot, Peck's sanicle
• rare native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort
• invasive non-native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Saxifraga mertensiana Wood saxifrage
native
Perennial herb 
2021 Mary Ann Machi
2023 Mary Ann Machi
2020 Mary Ann Machi
|
|
Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle
non-native
Annual herb, Vine 
2006 Steve Matson
2018 Stacie Wolny
2006 Steve Matson
|
|
Sceptridium multifidum Leather grape-fern
native
fern 
2023 Cynthia Powell
2021 R.A. Chasey
2020 Jonathan Lee
|
|
Schoenolirion albiflorum Small Tree-Mallow
|
|
Schoenoplectus tabernaemontani Softstem bulrush
native
Perennial grasslike herb  2008 Louis-M. Landry
 2005 Louis-M. Landry
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb 
2022 Doug Allshouse
2008 Steve Matson
2013 Ron Vanderhoff
|
|
Scirpus setaceus Bristleleaf bulrush
non-native
Perennial grasslike herb 2004 Steve Matson
2004 Steve Matson
2004 Steve Matson
|
|
Scoliopus bigelovii California fetid adderstongue, Fetid adder's tongue, Slink pod
native
Perennial herb 
2024 William Blaker
2020 Timothy Boomer
2023 Mary Ann Machi
|
|
Scrophularia californica California bee plant, California figwort
native
Perennial herb 
2020 Bob Sweatt
2006 Steve Matson
2019 Cynthia Powell
|
|
Scutellaria antirrhinoides Nose skullcap, Snapdragon skullcap
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Sedum obtusatum ssp. boreale Sierra gormania, Small flowered sierra stonecrop
native
Perennial herb 
2021 Jamie Spielmann
2017 David popp
2012 Barry Rice
|
|
Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop
native
Perennial herb 
2021 Steve Matson
2021 Steve Matson
2023 R.A. Chasey
|
|
Sedum spathulifolium ssp. pruinosum Broadleaf stonecrop, Pacific stonecrop, Stone crop
native
Perennial herb
2021 Steve Matson
2021 Steve Matson
2023 R.A. Chasey
|
|
Selaginella oregana Oregon spike moss, Oregon spikemoss
native
2021 Dana York
2021 Dana York
2018 Susan McDougall
|
|
Selaginella wallacei Wallace moss fern, Wallace's spike moss, Wallace's spikemoss
native
2011 Steve Matson
2011 Steve Matson
2019 David popp
|
|
Senecio glomeratus Cutleaf burnweed
• invasive non-native
Annual, Perennial herb
2015 Lynn Overtree
2023 R.A. Chasey
2021 Mary Conway
|
|
Senecio integerrimus Lambstongue ragwort, Mountain butterweed
native
Perennial herb 
2022 Steve Conger
2022 Paul Watts
2019 Matt Berger
|
|
Senecio integerrimus var. major Lambstongue groundsel, Lambstongue ragwort
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Senecio jacobaea Stinking willie, Tansy ragwort
• invasive non-native
Perennial herb 
2022 Michael Weldon
2022 Michael Weldon
2018 Jennifer Mo
|
|
Senecio mikanioides Cape ivy
• invasive non-native
Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Senecio minimus Coastal burnweed
non-native
Annual, Perennial herb 
2012 Michael Mitchell
2012 Michael Mitchell
2012 Michael Mitchell
|
|
Senecio sylvaticus Woodland groundsel, Woodland ragwort
non-native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2020 Julie A. Kierstead
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb 
2017 Barbara Boethling
2019 Ron Vanderhoff
2021 Toni Corelli
|
|
Sequoia sempervirens Coast redwood
native
Tree 
2019 Patrick Furtado
2022 David Strauch
2019 R.A. Chasey
|
|
Sericocarpus oregonensis Oregon whitetop aster
native
Perennial herb 
2004 Steve Matson
2004 Steve Matson
2010 Steve Matson
|
|
Sherardia arvensis Blue fieldmadder, Field madder
non-native
Annual herb 
2005 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Sidalcea asprella Harsh checker mallow
native
Perennial herb (rhizomatous) 
2013 James Gonsman
2022 BOB CASE
2021 Robin Carter-Ervin
|
|
Sidalcea malachroides Maple leaved checkerbloom, Mapleleaf checkerbloom
• rare native
Perennial herb 
2016 Hayley Ross
2022 Jonathan Lee
2023 Constance McCoy
|
|
Sidalcea malviflora Checker bloom, Checker mallow, Dwarf checkerbloom
native
Perennial herb 
2022 David Strauch
2018 Sheila Lodge
2022 Suzanne L. Weakley
|
|
Sidalcea malviflora ssp. nana Dwarf sierran checkerbloom
native
Perennial herb 
2021 Dana York
2021 Dana York
2021 Dana York
|
|
Sidalcea malviflora ssp. patula Siskiyou checkerbloom
• rare native
Perennial herb (rhizomatous) 
2023 Claire Brown
2019 Tristan K Cole
2023 Claire Brown
|
|
Sidalcea oregana Oregon checker mallow, Oregon checkerbloom
native
Perennial herb 
2020 Cheryl Ballantyne
2020 Bob Sweatt
2020 Cynthia Powell
|
|
Sidalcea oregana ssp. eximia Coast checkerbloom
• rare native
Perennial herb 
2015 Adam Canter
2022 Macy Budesilich
2022 Macy Budesilich
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb 
2019 Mary Wloch
2017 Gary McDonald
2019 Gary McDonald
|
|
Silene hookeri Hooker's campion, Hooker's silene
native
Perennial herb 
2022 Dana York
2022 Dana York
2020 Dee Shea Himes
|
|
Silene laciniata ssp. californica California indian pink
native
Perennial herb 
2023 Alaine Arslan
2016 Sue Graue
2019 Sue Graue
|
|
Silene serpentinicola Serpentine catchfly
• rare native
Perennial herb (rhizomatous) 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb 
2020 Nancy Hamlett
2019 Marisa Persaud
2018 Angelique Herman
|
|
Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard
non-native
Annual herb 
2019 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb 
2021 Ann Garside
2022 Julian Geoghegan
2021 Ron Vanderhoff
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb 
2020 Mary Conway
2024 Ron Vanderhoff
2019 Stacie Wolny
|
|
Sisyrinchium californicum California golden eyed grass, Golden blue eyed grass, Yellow eyed grass
native
Perennial herb 
2021 Suzanne L. Weakley
2019 Cynthia Powell
2021 Jamie Spielmann
|
|
Smilacina stellata var. sessilifolia Starry false lily of the valley
native
Perennial herb
2021 Cyril Guyot
2003 Steve Matson
2020 Susan McDougall
|
|
Solanum americanum American black nightshade, Common nightshade, Small flowered nightshade
native
Annual, Perennial herb 
2014 Steve Matson
2019 Gary McDonald
2021 David Wolfson
|
|
Solanum aviculare New Zealand nightshade
• invasive non-native
Shrub 
2018 Ron Vanderhoff
2017 Nick Graver
2020 Claire Elliott
|
|
Solanum nigrum Black nightshade
non-native
Annual herb 
2019 Julian Geoghegan
2019 Patrick Furtado
2021 Mike Russler
|
|
Solidago canadensis Canada goldenrod
native
Perennial herb 
2022 Cynthia Powell
2010 Keir Morse
2020 John Doyen
|
|
Solidago canadensis var. salebrosa Western goldenrod
• rare native
Perennial herb (rhizomatous)  2007 Dr. Amadej Trnkoczy
 2011 Wynn Anderson
|
|
Solidago elongata West coast canada goldenrod
native
Perennial herb 
2003 Steve Matson
2021 Mike Russler
2022 Steve Matson
|
|
Solidago spathulata ssp. spathulata Dune goldenrod
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Sonchus arvensis Field sowthistle, Perennial sow thistle
• invasive non-native
Perennial herb 
2023 Cynthia Powell
2023 Cynthia Powell
2015 Richard Spellenberg
|
|
Sonchus asper Spiny sowthistle
non-native
Annual herb 
2010 Michael Mitchell
2020 Julie A. Kierstead
2017 MCOSD Restoration Crew
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
2014 Gary McDonald
2022 Ron Vanderhoff
2014 Gary McDonald
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
2019 Diane Etchison
2015 Jesse Rorabaugh
2024 Ron Vanderhoff
|
|
Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed
native
Perennial herb 
2013 BOB CASE
2013 BOB CASE
2020 Dana York
|
|
Sparganium emersum European bur reed
native
Perennial herb 
2018 Steve Matson
2018 Steve Matson
2019 David Greenberger
|
|
Sparganium eurycarpum Broadfruit bur reed
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Sparganium eurycarpum ssp. eurycarpum Broadfruit bur reed
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Sparganium simplex European bur reed
native
Perennial herb
2018 Steve Matson
2018 Steve Matson
2019 David Greenberger
|
|
Spartium junceum Gorse, Spanish broom
• invasive non-native
Shrub 
2020 Ron Vanderhoff
2006 Jennifer Naegele
2021 Mary Herr
|
|
Spergula arvensis Corn spurry
non-native
Annual herb 
2019 Diane Etchison
2020 Mary Conway
2022 Cynthia Powell
|
|
Spergula arvensis ssp. arvensis Corn spurry
non-native
Annual herb
2019 Diane Etchison
2020 Mary Conway
2022 Cynthia Powell
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Spiraea douglasii Douglas spiraea, Douglas' spirea, Douglas's spirea
native
Shrub 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Spiranthes romanzoffiana Hooded ladies tresses, Hooded ladies' tresses, Ladies' tresses
native
Perennial herb 
2018 Bill Haley
2003 Steve Matson
2003 Steve Matson
|
|
Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle
native
Perennial herb 
2021 Mike Russler
2014 James Gonsman
2023 Mike Russler
|
|
Stachys ajugoides var. rigida Mexican hedgenettle
native
Perennial herb 
2023 Mary Ann Machi
2016 Steve Matson
2016 Steve Matson
|
|
Stachys arvensis Annual hedge nettle, Field hedge nettle, Staggerweed
non-native
Annual herb 
2016 Andrew Longman
2013 Demo6 Calflora
2009 Phil Pullen
|
|
Stachys mexicana Mexican hedgenettle
native
Perennial herb
2023 Mary Ann Machi
2016 Steve Matson
2016 Steve Matson
|
|
Stachys rigida Rough hedgenettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2021 David popp
|
|
Stachys rigida ssp. quercetorum Rough hedgenettle
native
Perennial herb 
2019 Ken Lunders
2016 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Stellaria borealis ssp. sitchana Boreal starwort, Northern starwort, Sitka starwort
native
Perennial herb 
2020 Joslyn Curtis
2020 Joslyn Curtis
2020 Joslyn Curtis
|
|
Stellaria crispa Curled starwort, Ruffled starwort
native
Perennial herb  2010 Barry Breckling
 2006 Doreen L. Smith
 2012 Jean Pawek
|
|
Stellaria media Chickweed
non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2015 Diane Etchison
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb 
2022 Catherine Chang
2022 Catherine Chang
2020 Ken Hickman
|
|
Stipa lemmonii Lemmon's needle grass
native
Perennial grass 
2021 Arlee Montalvo
2008 Steve Matson
2021 Arlee Montalvo
|
|
Streptopus amplexifolius var. americanus American streptopus, Schultestwisted stalk, Twisted stalk
native
Perennial herb 
2011 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry
native
Shrub 
2020 Jacob Smith
2020 Jacob Smith
2021 Mike Russler
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub 
2019 Ron Vanderhoff
2020 Cara Wilcox
2019 Ron Vanderhoff
|
|
Symphyotrichum chilense California aster, Pacific aster
native
Perennial herb 
2020 Suzanne L. Weakley
2013 Arcangelo Wessells
2018 Stacie Wolny
|
|
Synthyris reniformis Snow queen, Snowqueen
native
Perennial herb 
2021 Mary Ann Machi
2019 Belinda Lo
2019 Belinda Lo
|
|
Synthyris reniformis var. cordata Serpentine snow queen
native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Tanacetum camphoratum Dune tansy
native
Perennial herb 
2019 Patrick Furtado
2020 Joerg Lohse
2017 Steve Matson
|
|
Tanacetum parthenium Feverfew
non-native
Perennial herb 
2015 Ron Vanderhoff
2022 Jennifer Mo
2020 Bob Sweatt
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Tauschia glauca Glaucous tauschia, Glaucous umbrellawort
• rare native
Perennial herb 
2022 joaquin hale
2022 joaquin hale
2022 joaquin hale
|
|
Tauschia kelloggii Kellogg's tauschia, Kellogg's umbrellawort
native
Perennial herb 
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Taxus brevifolia California yew, Pacific yew, Western yew
native
Tree 
2015 Nathan Feldman
2020 Julie A. Kierstead
2018 Richard Spjut
|
|
Teesdalia coronopifolia Lesser shepherds cress, Lesser shepherdscress
non-native
Annual herb  2006 Barrett Jeffery
 2006 Jeffery Barrett
|
|
Tellima grandiflora Bigflower tellima, Fringe cups
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2016 Steve Matson
|
|
Tetragonia tetragonioides New zealand spinach
• invasive non-native
Annual herb 
2017 James Bailey
2022 David Strauch
2009 Neal Kramer
|
|
Thuja plicata Western red cedar
native
Tree 
2017 MCOSD EDRR
2008 Timothy D. Ives
2007 Dr. Mark S. Brunell
|
|
Tiarella trifoliata var. unifoliata Oneleaf foamflower, Sugarscoop
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2006 Keir Morse
|
|
native
Perennial herb 
2016 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Tonella tenella Lesser baby innocence, Small flowered tonella
native
Annual herb 
2021 Helen Hancock
2008 Steve Matson
2019 Belinda Lo
|
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer
• invasive non-native
Annual herb 
2019 Ron Vanderhoff
2017 Gary McDonald
2018 Lindsey Hack
|
|
Torilis japonica Japanese hedge parsely
non-native
Annual herb 
2016 Friends of Five Creeks volunteers
2011 Jean Pawek
2018 Friends of Five Creeks volunteers
|
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Torreyochloa pallida var. pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass
native
Perennial grass (rhizomatous) 
2019 Matt Berger
2019 Matt Berger
2020 John Rawlings
|
|
Torreyochloa pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass
native
Perennial grass (rhizomatous)
2019 Matt Berger
2019 Matt Berger
2020 John Rawlings
|
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
2020 Ron Vanderhoff
2019 Randy Huey
2021 Bryant Baker
|
|
Toxicoscordion micranthum Small flowered star lily
native
Perennial herb 
2021 Steve Laymon
2020 Susan McDougall
2020 Susan McDougall
|
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb 
2019 Julie dinsdale
2015 David Wolfson
2020 Martin Cooper
|
|
Trientalis latifolia Pacific starflower
native
Perennial herb 
2021 Lisa Berry
2014 James Gonsman
2008 Steve Matson
|
|
Trifolium albopurpureum Indian clover, Rancheria clover
native
Annual herb 
2023 Mary Gerbic
2023 Mary Gerbic
2021 Mike Russler
|
|
Trifolium albopurpureum var. dichotomum Branched indian clover
native
Annual herb 
2023 Helen Hancock
2022 Helen Hancock
2023 Helen Hancock
|
|
Trifolium arvense Rabbitfoot clover
non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2020 R.A. Chasey
|
|
Trifolium bifidum Notch leaf clover, Notchleaf clover, Pinole clover
native
Annual herb 
2022 R.A. Chasey
2019 Alice Cummings
2022 R.A. Chasey
|
|
Trifolium breweri Brewer's clover, Forest clover
native
Perennial herb 
2022 Jamie Spielmann
2016 David popp
2020 David popp
|
|
Trifolium cyathiferum Bowl clover, Cup clover
native
Annual herb 
2003 Steve Matson
2003 Steve Matson
2023 R.A. Chasey
|
|
Trifolium depauperatum Cowbag clover, Dwarf sack clover, Pale sack clover
native
Annual herb 
2021 Steve Matson
2021 Steve Matson
2022 Ken-ichi Ueda
|
|
Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover
non-native
Annual herb 
2018 Stacie Wolny
2022 Dana York
2017 MCOSD EDRR
|
|
Trifolium eriocephalum Woollyhead clover
native
Perennial herb 
2019 Susan McDougall
2019 Susan McDougall
2010 Christopher L. Christie
|
|
Trifolium eriocephalum ssp. eriocephalum Woollyhead clover
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Trifolium fucatum Bull clover, Sour clover
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2020 Paul Aigner
|
|
Trifolium longipes ssp. elmeri Elmer's clover
native
Perennial herb 
2022 Dana York
2020 R.A. Chasey
2020 R.A. Chasey
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb 
2005 Steve Matson
2016 Michael Mitchell
2019 Ron Vanderhoff
|
|
Trifolium microdon Thimble clover, Valparaiso clover
native
Annual herb 
2022 Dee Shea Himes
2022 Dee Shea Himes
2023 R.A. Chasey
|
|
Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover
native
Annual herb 
2023 Helen Hancock
2022 Mary Merriman
2023 R.A. Chasey
|
|
Trifolium pratense Red clover
non-native
Perennial herb 
2019 David Greenberger
2021 Bob Sweatt
2023 R.A. Chasey
|
|
Trifolium repens White clover
non-native
Perennial herb 
2017 Gary McDonald
2007 Steve Matson
2017 Gary McDonald
|
|
Trifolium subterraneum Sub clover, Subterranean clover
non-native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2017 Steve Matson
|
|
Trifolium tridentatum Tomcat clover
native
Annual herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Stacie Wolny
|
|
Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover
native
Annual herb 
2022 Steve Matson
2017 Michael Mitchell
2019 Diane Etchison
|
|
Trifolium variegatum var. major Large variegated clover
native
Annual herb 
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Trifolium variegatum var. melananthum Large variegated clover
native
Annual herb
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Trifolium variegatum var. variegatum Variegated clover
native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2017 Ramona Robison
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Stacie Wolny
|
|
Trifolium wormskioldii Coast clover, Cow clover, Cows clover
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Triglochin striata Three ribbed arrow grass, Threerib arrowgrass
native
Perennial herb (aquatic) 
2022 Ken Hickman
2021 Jutta Burger
2021 John Game
|
|
Trillium albidum Giant white wakerobin
native
Perennial herb 
2016 Ray Gill
2022 Doug Zimmerman
2019 William Maslach
|
|
Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin
native
Perennial herb 
2019 Kolby Lundgren
2015 Nathan Feldman
2020 Susan McDougall
|
|
Trillium chloropetalum Common trillium, Giant wakerobin, Trillium
native
Perennial herb 
2019 Susan McDougall
2020 R.A. Chasey
2020 Nelson Wilhite
|
|
Trillium ovatum Pacific trillium, Wake robin, Western trillium
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Triphysaria pusilla Dwarf owl's clover, Little owl's clover
native
Annual herb 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Triphysaria versicolor Yellow owl's clover, Yellowbeak owl's clover
native
Annual herb 
2021 Helen Hancock
2023 Mary Ann Machi
2022 Emily R. Allen
|
|
Triphysaria versicolor ssp. faucibarbata Yellow owl's clover, Yellowbeak owl's clover
native
Annual herb
2021 Helen Hancock
2021 Mike Russler
2019 Suzanne L. Weakley
|
|
Triphysaria versicolor ssp. versicolor Yellow owl's clover, Yellowbeak owl's clover
native
Annual herb 
2019 Toni Corelli
2023 Julia King
2019 Toni Corelli
|
|
Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum
native
Perennial grass 
2020 John Rawlings
2011 Steve Matson
2022 Ellen Uhler
|
|
Trisetum cernuum Nodding oatgrass, Nodding trisetum
native
Perennial grass 
2019 Kimberly Moses
2019 Kimberly Moses
2011 Steve Matson
|
|
Triteleia bridgesii Bridges' brodiaea
native
Perennial herb 
2016 Steve Matson
2009 Bob Case
2009 Bob Case
|
|
Triteleia hyacinthina White brodiaea, Wild hyacinth, White Brodiaea, Fool's Onion
native
Perennial herb 
2023 Suzanne L. Weakley
2008 Steve Matson
2020 Steve Conger
|
|
Triteleia laxa Ithuriel's spear
native
Perennial herb 
2018 Gary McDonald
2018 Tim Lewis
2019 Matt Berger
|
|
Triticum aestivum Common wheat, Wheat
non-native
Annual grass 
2022 Lenihan Mazur
2021 John Rawlings
2021 Julian Geoghegan
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic) 
2013 Steve Matson
2013 Steve Matson
2013 Steve Matson
|
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree 
2023 Mary Ann Machi
2016 Steve Matson
2023 Mary Ann Machi
|
|
Urtica dioica ssp. gracilis American stinging nettle, California nettle
native
Perennial herb 
2020 Lynn Overtree
2007 Toni Corelli
2021 Chuck Kozak
|
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Urtica dioica var. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Urtica dioica var. lyallii American stinging nettle, California nettle
native
Perennial herb
2020 Lynn Overtree
2007 Toni Corelli
2021 Chuck Kozak
|
|
Utricularia vulgaris Common bladderwort
native
Perennial herb 
2020 Bob Sweatt
2006 Steve Matson
2006 Steve Matson
|
|
Vaccinium ovatum California huckleberry, Evergreen huckleberry
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Vaccinium parvifolium California red huckleberry, Red bilberry, red huckleberry
native
Shrub 
2017 Ken Hickman
2020 R.A. Chasey
2023 Caitlyn Allchin
|
|
Valeriana sitchensis Sitka valerian
native
Perennial herb 
2015 BOB CASE
2017 Steve Matson
2017 Steve Matson
|
|
Valeriana sitchensis ssp. scouleri Scouler's valerian
native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Vancouveria hexandra Deciduous vancouvaria, Northern vancouveria, White insideout flower
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Veratrum insolitum Siskiyou false hellebore
• rare native
Perennial herb 
2018 Alexander Randolph-Lowe
2019 Matt Berger
2018 Anna Sereno
|
|
Verbascum blattaria Moth mullein
non-native
Perennial herb 
2023 Alaine Arslan
2019 Marisa Persaud
2019 Patrick Furtado
|
|
Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb 
2021 R.A. Chasey
2020 Kim Cabrera
2019 Marisa Persaud
|
|
Veronica americana American brooklime, American speedwell, Brooklime
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Veronica arvensis Corn speedwell, Speedwell
non-native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2020 mike andrews
|
|
Veronica peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell
native
Annual herb 
2020 Steve Matson
2020 Ron Vanderhoff
2020 Steve Matson
|
|
Veronica scutellata Marsh speedwell, Skullcap speedwell
native
Perennial herb 
2022 Bob Sweatt
2022 Bob Sweatt
2022 Bob Sweatt
|
|
Veronica serpyllifolia Thymeleaf speedwell
native
Perennial herb 
2022 Steve Matson
2020 Bob Sweatt
2018 Ron Vanderhoff
|
|
Veronica serpyllifolia ssp. humifusa Bright blue speedwell, Brightblue speedwell, Sprawling speedwell
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2020 Susan McDougall
|
|
Viburnum opulus var. roseum European cranberrybush , Guelder-rose
non-native
Shrub  © 2006 Dr. Amadej Trnkoczy
 2006 Dr. Amadej Trnkoczy
 2006 Dr. Amadej Trnkoczy
|
|
Vicia americana American vetch
native
Perennial herb, Vine 
2021 Charles Smith
2021 Ron Vanderhoff
2022 Mary Sue Ittner
|
|
Vicia americana ssp. americana American vetch
native
Perennial herb, Vine 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Vicia angustifolia Common vetch, Garden vetch, Smaller common vetch
non-native
Annual herb, Vine 
2020 Ken Lunders
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine 
2019 Diane Etchison
2018 MCOSD EDRR
2020 Ron Vanderhoff
|
|
Vicia disperma European vetch
non-native
Annual herb 
2020 Ryan Carle
2020 Ryan Carle
2020 Ryan Carle
|
|
Vicia gigantea Giant vetch
native
Perennial herb 
2021 Dana York
2019 Cynthia Powell
2013 James Gonsman
|
|
Vicia hirsuta Hairy vetch, Tiny vetch, Vetch
non-native
Annual herb, Vine 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Vicia nigricans Small Tree-Mallow
|
|
Vicia nigricans ssp. gigantea Giant vetch
native
Perennial herb
2021 Dana York
2019 Cynthia Powell
2013 James Gonsman
|
|
Vicia sativa Spring vetch
non-native
Annual herb, Vine 
2022 David Wolfson
2019 Cynthia Powell
2023 Ron Vanderhoff
|
|
Vicia sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch
non-native
Annual herb, Vine
2020 Ken Lunders
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine 
2007 Toni Corelli
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Vicia tetrasperma Four seeded vetch, Lentil vetch
non-native
Annual herb 
2009 Avis Boutell
2009 Avis Boutell
2019 Jackie Gamble
|
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2006 Steve Matson
|
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb 
2020 Julia Markey
2022 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Viola adunca Blue violet, Dog violet, Hookedspur violet
native
Perennial herb 
2015 Steve Matson
2004 Steve Matson
2015 Steve Matson
|
|
Viola cuneata Wedge leaf violet, Wedgeleaf violet
native
Perennial herb 
2021 Steve Matson
2017 Steve Matson
2006 Steve Matson
|
|
Viola glabella Pioneer violet, Stream violet, Stream Violet, Smooth Yellow Violet
native
Perennial herb 
2006 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Viola lobata Moose horn violet, Pine violet, Yellow violet
native
Perennial herb 
2008 Steve Matson
2009 Gary A. Monroe
2021 Julie A. Kierstead
|
|
Viola lobata ssp. lobata Moose horn violet, Pine violet
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Viola praemorsa Astoria violet, Canary violet
native
Perennial herb 
2020 Bob Sweatt
2019 Bob Sweatt
2020 Julie A. Kierstead
|
|
Viola praemorsa ssp. linguifolia Astoria violet, Upland yellow violet
native
Perennial herb 
2004 Steve Matson
2004 Steve Matson
2004 Steve Matson
|
|
Viola praemorsa ssp. praemorsa Astoria violet, Canary violet
native
Perennial herb
2020 Julie A. Kierstead
2020 Julie A. Kierstead
2020 Julie A. Kierstead
|
|
Viola sempervirens Evergreen violet, Redwood violet
native
Perennial herb 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Vitis californica California grape, California wild grape
native
Vine, Shrub 
2015 Bill Bogdanoff
2013 Zoya Akulova
2009 BOB CASE
|
|
Vulpia megalura Rattail sixweeks grass
• invasive non-native
Annual grass
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Vulpia myuros var. myuros Rattail sixweeks grass
• invasive non-native
Annual grass
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Whipplea modesta Modesty, Whipplea, Whipplevine
native
Vine, Shrub 
2004 Steve Matson
2018 Paul Preston and Tim Lukaszewski
2014 James Gonsman
|
|
Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern
native
Fern 
2019 Julie Kierstead Nelson
2020 R.A. Chasey
2020 Julie A. Kierstead
|
|
Wyethia angustifolia California compassplant, Narrow leaf mule ears, Narrow leaved mule ears
native
Perennial herb 
2023 Suzanne L. Weakley
2021 R.A. Chasey
2009 BOB CASE
|
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Xerophyllum tenax Common beargrass
native
Perennial herb 
2018 Eliezer Margolis
2022 Adam N Canter
2015 David popp
|
|
Yabea microcarpa California hedge parsley, False carrot
native
Annual herb
2021 Helen Hancock
2022 R.A. Chasey
2012 Toni Corelli
|
|
Zantedeschia aethiopica Calla lily, Callalily, Common calla
• invasive non-native
Perennial herb 
2020 Jennifer Mo
2020 Ron Vanderhoff
2021 MCOSD EDRR
|
