San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-07) |
| 323 PLANTS |
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Acacia melanoxylon Blackwood acacia
• invasive non-native
Tree  2008 Neal Kramer
 2019 Julian Geoghegan
 2009 Neal Kramer
|
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Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree  2020 Christopher Brown
 2020 Diane Etchison
 2018 Ron Vanderhoff
|
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Achillea millefolium Common yarrow
native
Perennial herb  2017 Diane Etchison
 2019 Margot Cunningham
 2018 Gary McDonald
|
|
Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
|
|
Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2016 Susan McDougall
 2020 Ron Vanderhoff
|
|
Acmispon junceus var. junceus Rush lotus
native
Perennial herb  2013 Al Keuter
 2016 Neal Kramer
 2006 Adonis (Don) Tate
|
|
Acmispon strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
|
|
Acmispon wrangelianus Chilean trefoil
native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
|
|
native
Tree, Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2019 Gary McDonald
|
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Adiantum jordanii California maidenhair fern
native
Fern  2005 George W. Hartwell
 2019 Ron Vanderhoff
 2006 Steve Matson
|
|
Ageratina adenophora Sticky snakeroot, Thoroughwort
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2017 Keir Morse
 2019 Ron Vanderhoff
|
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2007 Gerald Carr
|
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Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass  2012 Vernon Smith
 2009 Robert Steers
 2008 Keir Morse
|
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Allium haematochiton Red skinned onion, Redskin onion
native
Perennial herb (bulb)  Geoff Burleigh
 2016 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2009 Keir Morse
 2019 Barbara Boethling
|
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Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb  2009 Keir Morse
 2018 Joshua Borkowski
 2017 Rebecca Schoenenberger
|
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Aphyllon californicum ssp. jepsonii Jepson's california broom rape
native
Perennial herb (parasitic)  2019 Ken Hickman
 2018 Brian and Eileen Keelan
 2018 Brian and Eileen Keelan
|
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Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley
native
Annual herb  2008 Keir Morse
 2018 Ron Vanderhoff
 2006 Keir Morse
|
|
Apium graveolens Smallage, Garden celery
non-native
Annual, Biennial herb  2006 Keir Morse
 2005 Luigi Rignanese
 2006 Keir Morse
|
|
Apocynum androsaemifolium Bitter dogbane, Spreading dogbane
native
Perennial herb  Geoff Burleigh
 Geoff Burleigh
 2017 Adam Chasey
|
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Aquilegia eximia Serpentine columbine, Sticky columbine, Van Houtte's columbine
native
Perennial herb  2018 Stacie Wolny
 2010 Tony Morosco
 2020 Paul Aigner
|
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Aristida adscensionis Six weeks three awn, Sixweeks threeawn
native
Annual grass  2006 James M. Andre
 2006 Trent M. Draper
 2012 Neal Kramer
|
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub  2019 Diane Etchison
 2018 James Gonsman
 2020 Bryant Baker
|
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2018 Stacie Wolny
 2017 Alison Sheehey
 2016 Glen Schneider
|
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Asclepias fascicularis Mexican whorled milkweed, Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2017 Gary McDonald
 2019 Ron Vanderhoff
|
|
Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb  2010 Gary A. Monroe
 2010 Gary A. Monroe
 2012 Larry Blakely
|
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Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
|
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2008 Keir Morse
 2002 James B. Gratiot
 2008 Zoya Akulova
|
|
Azolla filiculoides American water fern, mosquito fern, Mosquito fern, Pacific mosquitofern
native
Fern  2018 Ron Vanderhoff
 2018 Cynthia Powell
 2011 Aaron Arthur
|
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Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub  2018 Cynthia Powell
 2019 Talila Golan
 2008 Gary McDonald
|
|
Bloomeria crocea var. aurea Common goldenstar
native
Perennial herb  2019 David Greenberger
 2012 Gary McDonald
 2014 Gary McDonald
|
|
Bloomeria crocea var. crocea Common goldenstar
native
Perennial herb  2019 Michael Mitchell
 2019 Ron Vanderhoff
 2017 Aaron Echols
|
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Brachypodium hybridum
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb  2011 Jorg & Mimi Fleige
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2009 Neal Kramer
 1995 Saint Mary's College of California
 2020 Julie A. Kierstead
|
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Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2006 Brent Miller
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome
non-native
Annual grass  2009 Keir Morse
 2009 Barry Rice
 2005 Steve Matson
|
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Bromus madritensis ssp. rubens Foxtail brome, Foxtail chess, Foxtail grass
• invasive non-native
Annual grass  2008 Thomas Stoughton
 2004 Carol W. Witham
2005 Steve Matson
|
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Bromus pseudolaevipes Coast range brome, Southern chinook brome
native
Perennial grass  2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
 2019 Ron Vanderhoff
|
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Bromus rubens Foxtail brome, Foxtail chess, Foxtail grass
• invasive non-native
Annual grass 2008 Thomas Stoughton
2004 Carol W. Witham
2005 Steve Matson
|
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Calibrachoa parviflora Wild petunia
native
Annual herb  2017 Ron Vanderhoff
 2020 Ron Vanderhoff
 2014 Keir Morse
|
|
Calochortus albus White fairy lantern, White globe lily
native
Perennial herb  2019 David Greenberger
 2020 Tina Curiel
 2019 Cynthia Powell
|
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Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
 2020 David Wolfson
 2011 Chris Winchell
 2019 Marisa Persaud
|
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Calochortus obispoensis San luis mariposa lily
 2016 Daniel Neal
 2018 Margarita Orlova
 2015 David Wolfson
|
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Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine  2013 Zoya Akulova
 2014 Wynn Anderson
 2014 Wynn Anderson
|
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Cardamine californica Bitter cress, California toothwort, milk maids
native
Perennial herb  2019 Ron Vanderhoff
 2018 Lynn Sweet
 2019 Ron Vanderhoff
|
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2006 Chris Wagner, SBNF
|
|
Carex nudata Dudley's sedge, Naked sedge, Torrent sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Keir Morse
 2004 Julie Kierstead Nelson
|
|
Carex obispoensis San Luis Obispo sedge, San Luis sedge
 2006 Steve Matson
 2005 Dieter Wilken
 2012 Wendy Fisher
|
|
Carex spissa San diego sedge
native
Perennial grasslike herb  2009 Zoya Akulova
 2019 Susan McDougall
 2016 Susan McDougall
|
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb  2011 CNPS, San Luis Obispo Chapter
 2011 Chris Winchell
|
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Ceanothus cuneatus var. ramulosus Buck brush
native
Shrub  2019 Susan McDougall
 2014 Robert Sikora
 2019 Susan McDougall
|
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
|
|
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany
native
Tree, Shrub  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Ron Vanderhoff
|
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb  2015 Sharon King & Randy Aeschliman
 2003 George Jackson
 2018 Karen Scheuermann
|
|
Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
 2016 Aaron Schusteff
 2008 Aaron Schusteff
 2016 Aaron Schusteff
|
|
Cirsium fontinale var. obispoense Chorro creek bog thistle
 2017 Cindy Roessler
 2015 David Wolfson
 2012 Lynn Robertson
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2005 Christopher L. Christie
 2016 Erik Larsen
 2019 Gustavo Vasquez
|
|
Clarkia affinis Chaparral clarkia, Chaparral fairyfan
native
Annual herb  2020 Steve Laymon
 2019 Ken Hickman
 2009 Keir Morse
|
|
Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb  2020 Steve Laymon
 2015 Diane Etchison
 2020 Steve Laymon
|
|
Clarkia purpurea ssp. quadrivulnera Purple clarkia, Purple godetia, Winecup clarkia
native
Annual herb  2019 Joe Engelbrecht
 2020 Steve Laymon
 2018 Ron Vanderhoff
|
|
Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia
native
Annual herb  2019 David Greenberger
 2020 Steve Laymon
 2020 David Wolfson
|
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Chico Hiking Association
 2019 Gary McDonald
|
|
Collinsia heterophylla Purple chinese houses
native
Annual herb  2019 Jacob Smith
 2019 David Greenberger
 2019 Jacob Smith
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2008 Keir Morse
 2016 Cynthia Powell
 2019 Ron Vanderhoff
|
|
Cordylanthus rigidus ssp. rigidus Rigid bird's beak, Stiffbranch bird's beak
native
Annual herb  2009 Keir Morse
 2013 Neal Kramer
 2019 R.A. Chasey
|
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2018 Ron Vanderhoff
 2019 Bonnie Nickel
 2019 stephen rosenthal
|
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub  2016 Neal Kramer
 2013 John Doyen
 2014 Zoya Akulova
|
|
Cortaderia selloana Uruguayan pampas grass
• invasive non-native
Perennial grass  2008 Neal Kramer
 2011 Eric Wrubel
 2018 Jamie Flagg
|
|
Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster
• invasive non-native
Shrub  2006 Peter Zika
 2001 Joe DiTomaso
 2006 Peter Zika
|
|
Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Crocanthemum scoparium peak rush-rose, broom rush-rose
native
Shrub  2020 Stacie Wolny
 2020 Stacie Wolny
 2015 Richard Spellenberg
|
|
Croton setiger Turkey-mullein
native
Annual herb  2018 Rachelle Gray
 2019 Robin Street-Morris
 2014 Richard Chasey
|
|
Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb  2011 Steve Matson
 2020 Ryan Carle
 2011 Steve Matson
|
|
Cryptantha microstachys Popcorn flower, Tejon cryptantha
native
Annual herb  2019 Diane Etchison
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Cryptantha muricata var. muricata Showy prickly-nut cryptantha
native
Annual herb  2011 Michael G. Simpson
 2011 Michael G. Simpson
 2011 Michael G. Simpson
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Zoya Akulova
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2014 Gary McDonald
 2014 Gary McDonald
|
|
Delphinium parryi ssp. eastwoodiae Eastwood's larkspur
 2003 Yulan Tong
 2012 CNPS, San Luis Obispo Chapter
 2012 CNPS, San Luis Obispo Chapter
|
|
Dendromecon rigida Bush poppy, Tree poppy
native
Shrub  2019 Eliezer Margolis
 2020 Bryant Baker
 2018 Hunter Breck
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass  2009 Adonis (Don) Tate
 2008 Keir Morse
 2008 Keir Morse
|
|
Dichelostemma capitatum ssp. capitatum Blue dicks, Bluedicks, Wild hyacinth
native
Perennial herb  2015 Diane Etchison
 2010 Steven Thorsted
 2019 Mary Conway
|
|
Diplacus aurantiacus ssp. aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2020 Ron Vanderhoff
|
|
Dodecatheon clevelandii Padre's shooting star
native
Perennial herb  2013 Steven M Norris
 2013 Steven M Norris
 2013 Steven M Norris
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2019 Ron Vanderhoff
 2004 Brent Miller
 2019 Jacob Smith
|
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
 2012 Terrence Gosliner
 2019 David Greenberger
 2011 Chris Winchell
|
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Dudleya pulverulenta Chalk dudleya
native
Perennial herb  2018 Ron Vanderhoff
 2020 Julia Markey
 2018 Ron Vanderhoff
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2004 Carol W. Witham
 2001 John Game
 2019 Ron Vanderhoff
|
|
Elymus condensatus Giant wild rye
native
Perennial grass  2011 Neal Kramer
 2010 Michael O'Brien
 2006 Adonis (Don) Tate
|
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2009 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Elymus multisetus Big squirreltail grass
native
Perennial grass  2006 Tom Annese
 2016 Ron Vanderhoff
 2006 Tom Annese
|
|
Elymus triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2007 Neal Kramer
 2018 Ron Vanderhoff
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb  2017 Gary McDonald
 2019 Ron Vanderhoff
 2019 Gary McDonald
|
|
Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb
native
Annual herb  2009 Keir Morse
 2019 Julian Geoghegan
 2015 Chris Jaster
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern  2008 Zoya Akulova
 2008 Neal Kramer
 2015 Ron Vanderhoff
|
|
Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb  2007 Luigi Rignanese
 2008 Jorg Fleige
 2009 Neal Kramer
|
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub  2011 Dean Wm. Taylor, Ph.D.
 2007 Neal Kramer
 2014 Steve Matson
|
|
Erigeron philadelphicus Philadelphia fleabane
native
Perennial herb  2005 Christopher L. Christie
 2011 Zoya Akulova
 2014 Julie Kierstead Nelson
|
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb  2017 Ron Vanderhoff
 2019 Aaron Echols
 2009 Keir Morse
|
|
Eriogonum fasciculatum var. foliolosum California buckwheat, Eastern mojave buckwheat, Red topped buckwheat
native
Shrub  2017 John Doyen
 2009 Keir Morse
 2017 John Doyen
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Ron Vanderhoff
 2020 Mary Conway
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2012 Neal Kramer
 2014 Keir Morse
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2016 Keir Morse
 2020 Julia Markey
 2019 Diane Etchison
|
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb  2012 Neal Kramer
 2018 Ron Vanderhoff
 2007 Luigi Rignanese
|
|
Erythranthe guttata Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2019 Chico Hiking Association
 2015 James Gonsman
|
|
Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy
native
Annual herb  2009 Keir Morse
 2009 Keir Morse
 2009 Keir Morse
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2014 Zoya Akulova
 2009 Barry Rice
 2019 Cynthia Powell
|
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree  2013 Zoya Akulova
 2008 Neal Kramer
 2017 Zoya Akulova
|
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2014 Steve Matson
|
|
Euphorbia peplus Petty spurge
non-native
Annual herb  2010 Neal Kramer
 2006 Steve Matson
 2005 Luigi Rignanese
|
|
Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb  2014 Neal Kramer
 2015 John Doyen
 2008 Keir Morse
|
|
Festuca californica California fescue
native
Perennial grass  2019 Justin Luong
 2008 Keir Morse
 2012 Aaron Arthur
|
|
Festuca elmeri Coast fescue, Elmer fescue
native
Perennial grass  2002 Dean Wm. Taylor
 2020 John Rawlings
 2008 Steve Matson
|
|
Festuca microstachys Small fescue
native
Annual grass  2008 Keir Morse
 2004 Robert E. Preston, Ph.D.
 2011 Steve Matson
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2013 Al Keuter
 2013 Al Keuter
|
|
Festuca occidentalis Western fescue
native
Perennial grass  2008 Keir Morse
 2011 Steve Matson
 2011 Steve Matson
|
|
Festuca octoflora Sixweeks grass
native
Annual grass  2009 Neal Kramer
 2013 Robert Steers/NPS
 2005 Steve Matson
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2015 Neal Kramer
|
|
Frangula californica ssp. californica California coffeeberry
native
Shrub  2019 Mary Conway
 2017 Gary McDonald
 2019 Mary Conway
|
|
Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb)  2008 Andrew Borcher
 2020 David Greenberger
 2018 Michael Mitchell
|
|
Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw
native
Perennial herb  2018 Gary McDonald
 2019 Marisa Persaud
 2012 Gary McDonald
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium californicum ssp. flaccidum California bedstraw
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2007 Neal Kramer
 2005 Keir Morse
 2016 John Doyen
|
|
Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2019 Gary McDonald
 2019 Patrick Furtado
|
|
Garrya veatchii Canyon silktassel, Southern silk tassel, Veatch silktassel
native
Shrub  2011 Neal Kramer
 2016 Ron Vanderhoff
 2020 Bryant Baker
|
|
Gastridium phleoides Nit grass
non-native
Annual grass  2009 Zoya Akulova
 2009 Neal Kramer
 2017 Gary McDonald
|
|
Genista monspessulana French broom
• invasive non-native
Shrub  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2003 Lynn Watson
 2015 Chris Jaster
 2019 Randy Huey
|
|
Gilia achilleifolia ssp. achilleifolia California gilia
native
Annual herb  2009 Keir Morse
 2003 Christopher L. Christie
 2018 Steven Perry
|
|
Grindelia hirsutula Gumweed, Hairy gumweed
native
Perennial herb  2020 stephen rosenthal
 2015 Ken Lunders
 2020 R.A. Chasey
|
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub  2011 Neal Kramer
 2011 Neal Kramer
 2011 Neal Kramer
|
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2015 Stephen Rosenthal
 2018 Rachelle Gray
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb  2016 Hayley Ross
 2019 Rachelle Gray
 2019 Rachelle Gray
|
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb  2009 Barry Breckling
 2007 Neal Kramer
 2016 R. Adam Chasey
|
|
Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax
native
Annual herb  2013 Robert Sikora
 2015 Keir Morse
 2013 Jake Ruygt
|
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub  2019 Susan McDougall
 2007 Dr. Mark S. Brunell
 2019 Susan McDougall
|
|
Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax
native
Annual herb  2003 Michael Charters
 2008 Keir Morse ID: 0000 0000 1208 0131 [detail] 2008 Keir Morse
 2011 Aaron Arthur
|
|
Hesperoyucca whipplei Chaparral yucca
native
Shrub  2019 Ron Vanderhoff
 2020 Julia Markey
 Geoff Burleigh
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2017 Gary McDonald
 2017 Gary McDonald
 2020 Julia Markey
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2008 Neal Kramer
|
|
Hoita macrostachya California hemp, Large leather root
native
Perennial herb  2014 Ron Vanderhoff
 2018 Brian Charles
 2013 Julie Kierstead Nelson
|
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2018 Chico Hiking Association
 2020 Camille Nowell
 2018 Ron Vanderhoff
|
|
Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley
non-native
Annual grass  2009 Neal Kramer
 2002 Ann Dennis
 2004 Carol W. Witham
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2009 Keir Morse
 2010 Neal Kramer
 2008 Zoya Akulova
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Juncus balticus ssp. ater Baltic rush
native
Perennial grasslike herb  © 2015 Steve Matson
 2018 Ron Vanderhoff
 2015 Steve Matson
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2014 Mike Wood
 2007 Neal Kramer
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb  2016 Erik Larsen
 2017 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella
native
Shrub  2020 Ron Vanderhoff
 2018 Diane Etchison
 2019 Aaron Echols
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass  2003 Bart and Susan Eisenberg
 2011 RT Hawke
 2020 Julie A. Kierstead
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2019 David popp
 2012 Vernon Smith
 2008 Jorg Fleige
|
|
Lasthenia gracilis Needle goldfields
native
Annual herb  2014 Keir Morse
 2010 Barry Breckling
 2017 John Doyen
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2015 Chris Jaster
|
|
Layia jonesii Jones' tidytips, Jones's layia
 2011 Chris Winchell
 1980 California Native Plant Society
 2011 Chris Winchell
|
|
Layia platyglossa Coastal tidytips
native
Annual herb  2015 Amy Rapport
 2018 Amy Rapport
 2011 Neal Kramer
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb  2019 Ken Lunders
 2020 Ron Vanderhoff
 2016 Ron Vanderhoff
|
|
Leptosyne douglasii Douglas' coreopsis
native
Annual herb  2008 Keir Morse
 2014 Jean Pawek
 2008 Keir Morse
|
|
Lithophragma heterophyllum Hill star, Hillside woodland star
native
Perennial herb  2007 Neal Kramer
 2014 Neal Kramer
 2018 Gail Johnson
|
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb  2000 Salvatore Zimmitti
 2015 Chris Jaster
 2017 James Bailey
|
|
Logfia filaginoides California cottonrose
native
Annual herb  2017 Robert Steers
 2019 Matt Berger
 2015 Diane Etchison
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2013 Keir Morse
 2013 Keir Morse
 2017 Barbara Boethling
|
|
Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb  2008 Keir Morse
 2018 Gary McDonald
 2020 Matt Berger
|
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
 2004 Aaron Schusteff
 2013 John Doyen
 2011 Chris Winchell
|
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb  2007 Lynn Watson
 2015 Debra L. Cook
 2015 James Gonsman
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub  2019 Stacie Wolny
 2020 Amy Rapport
 2019 Doug Zimmerman
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb  2005 Louis-M. Landry
 2019 Nathan Taxel
 2005 Dr. Amadej Trnkoczy
|
|
Lupinus albifrons var. abramsii Abrams's lupine
 1981 Lee Dittmann
 2018 Michael Mitchell
 2018 Michael Mitchell
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Ron Vanderhoff
|
|
Lupinus hirsutissimus Stinging annual lupine, Stinging lupine
native
Annual herb  2020 Bryant Baker
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb  2018 Stacie Wolny
 2018 Stacie Wolny
 2009 Barry Rice
|
|
Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine
native
Annual herb  2006 Adonis (Don) Tate
 2006 Adonis (Don) Tate
 2008 Keir Morse
|
|
Luzula subsessilis Pacific woodrush
native
Perennial grasslike herb  2013 Robert Steers/NPS
 2013 Robert Steers/NPS
|
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 2017 B.J. Dion
2009 Keir Morse
2019 Barbara Boethling
|
|
Lysimachia latifolia Pacific starflower
native
Perennial herb  2020 Stacie Wolny
 2020 Amy Rapport
 2020 Stacie Wolny
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2015 Debra L. Cook
 2020 Paul Aigner
 2016 John Doyen
|
|
Malva nicaeensis Bull mallow
non-native
Annual herb  2015 Mike Morales
 2008 Jorg Fleige
 2009 Barry Breckling
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb  2019 Sean Carey
 2012 Neal Kramer
 2015 Jesse Rorabaugh
|
|
Marah fabacea California man-root
native
Perennial herb, Vine  2016 Glen Schneider
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Chico Hiking Association
 2008 Thomas Stoughton
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2009 Keir Morse
 2014 Steve Matson
 2019 Ron Vanderhoff
|
|
Melica torreyana Torrey melic, Torrey's melica, Torrey's melicgrass
native
Perennial grass  2012 Al Keuter
 2019 John Rawlings
 2017 MCOSD Restoration Crew
|
|
Melilotus albus White sweetclover
• invasive non-native
Annual, Biennial herb  2008 Keir Morse
 2020 Aaron Echols
 2020 Julia Markey
|
|
Melilotus indicus Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs
native
Annual herb  2019 John Rawlings
 2008 Keir Morse
 2012 Neal Kramer
|
|
Mimulus aurantiacus Sticky monkeyflower
native
Shrub 2019 Gary McDonald
2019 Stacie Wolny
2020 Ron Vanderhoff
|
|
Mimulus guttatus Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 2019 Stacie Wolny
2019 Chico Hiking Association
2015 James Gonsman
|
|
Minuartia douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb  2005 Steve Matson
 2015 Barry Thomson
 2014 Keir Morse
|
|
Monardella villosa ssp. obispoensis San luis obispo coyote mint
native
Perennial herb  2011 Chris Winchell
 2011 Chris Winchell
 2011 Chris Winchell
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic)  2019 Patrick Furtado
 2019 Diane Etchison
 2016 Joan Hampton
|
|
Nuttallanthus texanus Blue toadflax
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2015 Reny Parker
|
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent)  2007 Neal Kramer
 2009 Zoya Akulova
 2005 Luigi Rignanese
|
|
Opuntia phaeacantha Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear
native
Shrub (stem succulent)  2007 Jason E. Willand
 2012 Andreas Kettenburg
 2004 Charles E. Jones
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb  2019 Gary McDonald
 2019 Randy Huey
 2018 Ron Vanderhoff
|
|
Paeonia californica California peony
native
Perennial herb  2004 Michelle Cloud-Hughes
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Papaver californicum Fire poppy, Western poppy
native
Annual herb  2014 Ron Vanderhoff
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Pedicularis densiflora Warrior's plume, Indian warrior
native
Perennial herb  2009 Ron Vanderhoff
 2020 Bryant Baker
 2019 Eliezer Margolis
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern  2015 James Gonsman
 2008 Keir Morse
 2018 Gary McDonald
|
|
Pellaea mucronata var. mucronata Bird's foot fern
native
Fern  2018 Rachelle Gray
 2019 Michelle Tollett
 2020 Matt Berger
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2019 Ron Vanderhoff
|
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb  2020 Ron Vanderhoff
 2019 Diane Etchison
 2008 Keir Morse
|
|
Phacelia imbricata ssp. imbricata Imbricate phacelia
native
Perennial herb  2008 Neal Kramer
 2020 R.A. Chasey
 2014 James Gonsman
|
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass  2004 Carol W. Witham
 2007 Luigi Rignanese
 2007 Luigi Rignanese
|
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb  2014 James Gonsman
 2019 Jennifer Mo
 2014 Keir Morse
|
|
Phoradendron villosum Mistletoe
native
Shrub (parasitic)  2013 Jorg & Mimi Fleige
 2018 Susan McDougal
 2019 Ron Vanderhoff
|
|
Pickeringia montana var. montana Montana chaparral pea
native
Shrub  2018 Adam Chasey
 2015 James Gonsman
 2011 Neal Kramer
|
|
Pinus attenuata Knobcone pine, Scrub pine
native
Tree  2020 Diane Etchison
 2018 Hayley Ross
 2019 Susan McDougall
|
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2007 Carol W. Witham
 2008 Margo Bors
 2008 Neal Kramer
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2007 Neal Kramer
 2019 Diane Etchison
|
|
Platanus racemosa California sycamore, Western sycamore
native
Tree  2012 Neal Kramer
 2018 Ron Vanderhoff
 2019 Rachelle Gray
|
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb  2019 Matt Berger
 2018 Karen Scheuermann
 2007 Neal Kramer
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass  2019 Belinda Lo
 2019 Belinda Lo
 2019 Belinda Lo
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2016 John Doyen
 2008 Keir Morse
 2010 Lee Dittmann
|
|
Polypodium californicum California polypody
native
Fern  2013 Neal Kramer
 2018 Chico Hiking Association
 2015 Keir Morse
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass  2002 Dean Wm. Taylor
 2009 Zoya Akulova
 2017 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2007 Neal Kramer
 2006 Steve Matson
 2006 Luigi Rignanese
|
|
Polypogon viridis Water beard grass
non-native
Perennial grass  2013 Al Keuter
 2013 Al Keuter
 2010 Luigi Rignanese
|
|
Populus trichocarpa Black cottonwood
native
Tree  2012 Zoya Akulova
 2014 Ron Vanderhoff
 2020 Susan McDougall
|
|
Prunus dulcis Domestic almond, Sweet almond
non-native
Tree  2009 Neal Kramer
 2018 Dr. Mark S. Brunell
 2009 Neal Kramer
|
|
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub  2012 Gary McDonald
 2002 Charles E. Jones
 2010 Neal Kramer
|
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2020 Susan McDougall
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb  2008 Gary McDonald
 2008 Jorg Fleige
 2016 Richard Spellenberg
|
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2011 Zoya Akulova
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb  2020 Dick Rawson
 2018 Ron Vanderhoff
 2020 Dick Rawson
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2002 Doreen L. Smith
 2019 Susan McDougall
 2020 Susan McDougall
|
|
Quercus berberidifolia Inland scrub oak
native
Tree  2008 Keir Morse
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Quercus durata var. durata Leather oak
native
Shrub  2004 David A. Tharp
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Quercus lobata California white oak, Valley oak
native
Tree  2013 Susan McDougall
 2008 Keir Morse
 2014 Neal Kramer
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb  2017 Amy Rapport
 2018 Adam Chasey
 2020 stephen rosenthal
|
|
Ranunculus californicus California buttercup
native
Perennial herb  2019 Diane Etchison
 2020 Mitchell Coleman
 2019 Diane Etchison
|
|
Rhamnus crocea Redberry buckthorn
native
Shrub  2003 Charles E. Jones
 2020 Bryant Baker
 2019 Diane Etchison
|
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub  2004 Christopher L. Christie
 2020 Kathryn Cehrs
 2018 Mary Conway
|
|
Rosa californica California wild rose, California wildrose
native
Shrub  Geoff Burleigh
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Rubus armeniacus Himalayan blackberry
• invasive non-native
Shrub  2002 George W. Hartwell
 2008 Keir Morse
 2018 Richard Spjut
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub  2008 Keir Morse
 2008 Keir Morse
 2007 Neal Kramer
|
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb  2013 Robert Steers/NPS
 2010 Phil Pullen
 2008 Keir Morse
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb  2018 Tim Lewis
 2019 Diane Etchison
 2018 b potts
|
|
Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Rupertia physodes California tea, Common rupertia, Forest scurfpea
native
Perennial herb  2007 Norman Jensen
 2016 John Doyen
 2009 Chris Wagner
|
|
Sabulina douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb 2005 Steve Matson
2015 Barry Thomson
2014 Keir Morse
|
|
Salix breweri Brewer's willow, Serpentine willow
native
Shrub  2012 Aaron Arthur
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Salix laevigata Polished willow, Red willow
native
Tree  2018 Angelique Herman
 2020 Susan McDougall
 2019 Barbara Brydolf
|
|
Salix lasiandra var. lasiandra Pacific willow
native
Tree  2007 Neal Kramer
 2015 Margo Bors
 2014 Zoya Akulova
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2008 Keir Morse
 2012 Zoya Akulova
 2016 Zoya Akulova
|
|
Salvia columbariae Chia sage
native
Annual herb  2020 Ron Vanderhoff
 2019 Gary McDonald
 2019 Gary McDonald
|
|
Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Ron Vanderhoff
|
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Shrub  2019 Bryant Baker
 2018 Julie Kierstead Nelson
 2019 Michael Morrison
|
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb  2006 Steve Matson
 2009 Robert Steers
 2017 Diane Etchison
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2020 Ryan Carle
 2020 R.A. Chasey
 2008 Steven Perry
|
|
Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot
 2014 Keir Morse
 2015 David Wolfson
 2019 Ken Hickman
|
|
Saxifraga virginiensis Greene's saxifrage
native
Perennial herb  2002 Bart and Susan Eisenberg
 2010 Robert Steers/NPS
 2019 Matt Berger
|
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree  2009 Neal Kramer
 2000 Joe DiTomaso
 2017 William McCarey
|
|
Scirpus microcarpus Mountain bog bulrush, Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb  2003 Steve Matson
 2011 Steven Perry
 2019 Julie Kierstead Nelson
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2019 Ron Vanderhoff
 2018 Stacie Wolny
 2019 Cynthia Powell
|
|
Scutellaria tuberosa Danny's skullcap, Scullcap
native
Perennial herb  2012 Ron Vanderhoff
 2018 Stacie Wolny
 2015 David Wolfson
|
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
Fern (mosslike)  2006 Steve Matson
 2013 Susan McDougall
 2015 Steven M Norris
|
|
Senecio aphanactis California groundsel, Chaparral ragwort, Rayless ragwort
 2010 Neal Kramer
 2010 Neal Kramer
 2013 Chris Winchell
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb  2005 Steve Matson
 2019 Ron Vanderhoff
 2020 Chico Hiking Association
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2017 Barbara Boethling
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Silene laciniata ssp. californica California indian pink
native
Perennial herb  2018 John Game
 2015 James Gonsman
 2016 Sue Graue
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2009 Barry Rice
 2019 Marisa Persaud
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb  2008 Keir Morse
 2013 Neal Kramer
 2006 Luigi Rignanese
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2003 Michael Charters
 2018 Debra L. Cook
 2017 Zoya Akulova
|
|
Solanum umbelliferum Blue witch nightshade, Bluewitch nightshade
native
Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ryan Carle
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2013 Debra L. Cook
 2015 Robert Sikora
 2019 Dean Taylor
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2016 Andrew Longman
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2018 Sheila Lodge
 2020 Bryant Baker
 2020 Ken Lunders
|
|
Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle
native
Perennial herb  2019 David Wolfson
 2018 Julian Geoghegan
 2011 Neal Kramer
|
|
Stebbinsoseris heterocarpa Grassland stebbinsoseris
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2017 Diane Etchison
|
|
Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2017 MCOSD EDRR
 2015 Diane Etchison
|
|
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce
native
Annual herb  2008 Keir Morse
 2016 Glen Schneider
 2018 Richard Spjut
|
|
Stipa lepida Foothill needle grass
native
Perennial grass  2016 Andrew Longman
 2017 Gary McDonald
 2016 Andrew Longman
|
|
Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass  2006 Luigi Rignanese
 2012 Tom Schweich
 2009 Keir Morse
|
|
Stipa pulchra Purple needle grass
native
Perennial grass  2018 Gary McDonald
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb  2008 Keir Morse
 2005 Aaron Schusteff
 2008 Keir Morse
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
|
|
Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue
native
Perennial herb  2017 Thomas Reyes
 2019 Patrick Furtado
 2009 Keir Morse
|
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2008 Keir Morse
|
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb  2008 Neal Kramer
 2004 Laura Ann Eliassen
 2013 Robert Steers/NPS
|
|
Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2008 Gary McDonald
 2019 Randy Huey
 2008 Zoya Akulova
|
|
Toxicoscordion fremontii Fremont's star lily, Fremont's death camas
native
Perennial herb  2020 Bryant Baker
 2019 Dee Shea Himes
 2017 Kristin Sabo
|
|
Trientalis latifolia Pacific starflower
native
Perennial herb 2020 Stacie Wolny
2020 Amy Rapport
2020 Stacie Wolny
|
|
Trifolium bifidum var. bifidum Pinole clover
native
Annual herb  2013 Zoya Akulova
 2020 Matt Berger
 2009 Aaron Schusteff
|
|
Trifolium ciliolatum Foothill clover, Tree clover
native
Annual herb  2020 Diane Etchison
 2019 Rachelle Gray
 2019 Ron Vanderhoff
|
|
Trifolium depauperatum var. amplectens Balloon sack clover, Pale bladder clover, Pale sack clover
native
Annual herb  2018 David Greenberger
 2013 Andrea Williams
 2018 David Greenberger
|
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb  2014 Robert Sikora
 2008 Zoya Akulova
 2014 Robert Sikora
|
|
Trifolium fucatum Bull clover, Sour clover
native
Annual herb  2019 James Gonsman
 2019 Paul Aigner
 2019 James Gonsman
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
|
|
Trifolium microdon Thimble clover, Valparaiso clover
native
Annual herb  2008 Neal Kramer
 2018 Hayley Ross
 2013 Zoya Akulova
|
|
Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover
native
Annual herb  2007 Carol W. Witham
 2015 Aaron Schusteff
 2008 Zoya Akulova
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb  2025 Kim Cabrera
 2018 Stacie Wolny
 2020 Ron Vanderhoff
|
|
Triodanis biflora Venus looking glass, Venus' looking glass
native
Annual herb  2007 Neal Kramer
 2015 Aaron Schusteff
 2003 Jim Rocks
|
|
Tropaeolum majus Garden nasturtium, Nasturtium
• invasive non-native
Annual herb, Vine  2004 Nick Kurzenko
 2014 Zoya Akulova
 Nick Kurzenko
|
|
Turritis glabra Tower rockcress
native
Perennial herb  2009 Thomas Stoughton
 2015 Barry Breckling
 2012 Zoya Akulova
|
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb  2018 Neal Kramer
 2013 Neal Kramer
 2013 Susan McDougall
|
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2015 Diane Etchison
 2003 Michael Charters
 2018 David popp
|
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb  2019 Zack Abbey
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb  2017 Ron Vanderhoff
 2019 Bonnie Nickel
 2013 Neal Kramer
|
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2019 Mary Conway
 2018 Mary Conway
|
|
Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine  2009 Neal Kramer
 2009 Barry Breckling
 2019 Matt Berger
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Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2008 Keir Morse
 2020 Julie A. Kierstead
 2020 Ken Lunders
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Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb  2018 James Gonsman
 2014 James Gonsman
 2019 Ken Hickman
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native
