Indian Knob Area, Guidetti Ranch San Luis Obispo County, California San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-09) |
| 328 PLANTS |
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Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
|
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Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2016 Susan McDougall
 2020 Ron Vanderhoff
|
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Acmispon junceus var. biolettii Bioletti's rush lotus
native
Perennial herb  2017 John Doyen
 2013 Aaron Arthur
 2013 Aaron Arthur
|
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Acmispon parviflorus Hill lotus
native
Annual herb  2019 Chico Hiking Association
 2019 Ron Vanderhoff
 2019 Chico Hiking Association
|
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Acmispon strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
|
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Acmispon wrangelianus Chilean trefoil
native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
|
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Acourtia microcephala Sacapellote
native
Perennial herb  2013 Keir Morse
 2014 Diane Etchison
 2013 Keir Morse
|
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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
|
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Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2007 Gerald Carr
|
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Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass  2008 Keir Morse
 2009 Zoya Akulova
 2018 Neal Kramer
|
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Agrostis hooveri Hoover's bent grass, Hoover's bentgrass
 2008 Adonis (Don) Tate
 2017 Adonis (Don) Tate
|
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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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Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2010 Zoya Akulova
|
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Ambrosia psilostachya Ragweed, Western ragweed
native
Perennial herb  2014 Richard Spellenberg
 2011 Aaron Arthur
 2011 Aaron Arthur
|
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Amsinckia intermedia Common fiddleneck
native
Annual herb  2020 Matt Berger
 Geoff Burleigh
 2014 Vertin Alvarez
|
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Anaphalis margaritacea Pearly everlasting
native
Perennial herb  2018 Rachelle Gray
 2014 James Gonsman
 2014 James Gonsman
|
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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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Antirrhinum nuttallianum ssp. subsessile Nuttall's snapdragon
native
Annual, Perennial herb  2007 Lynn Watson
 2014 Steve Matson
 2011 Neal Kramer
|
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Antirrhinum thompsonii
|
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Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley
native
Annual herb  2008 Keir Morse
 2018 Ron Vanderhoff
 2006 Keir Morse
|
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Arctostaphylos pilosula La panza manzanita, Santa Margarita manzanita
 2020 David Greenberger
 2019 Susan McDougall
 2006 Steve Matson
|
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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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Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb  2016 Joan Hampton
 2019 Ron Vanderhoff
 2008 Keir Morse
|
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Asclepias eriocarpa Indian milkweed, Kotolo milkweed, Woolypod milkweed
native
Perennial herb  2018 Jennifer Poore
 2019 Cliff Halverson
 2019 Ron Vanderhoff
|
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Asclepias fascicularis Mexican whorled milkweed, Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2017 Gary McDonald
 2019 Ron Vanderhoff
|
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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
|
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Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub  2018 Cynthia Powell
 2019 Talila Golan
 2008 Gary McDonald
|
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Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
|
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Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass
non-native
Annual grass  2005 Brent Miller
 2008 Keir Morse
 2004 Carol W. Witham
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Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
|
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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
|
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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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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 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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Camissoniopsis micrantha Spencer primrose
native
Annual herb  2019 Susan McDougall
 2009 Neal Kramer
 2014 Diane Etchison
|
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Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2007 Carol W. Witham
 2019 Cynthia Powell
 2019 Cynthia Powell
|
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Cardamine californica Bitter cress, California toothwort, milk maids
native
Perennial herb  2019 Ron Vanderhoff
 2018 Lynn Sweet
 2019 Ron Vanderhoff
|
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2006 Chris Wagner, SBNF
|
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Carex barbarae Santa barbara sedge, Valley sedge
native
Perennial grasslike herb  2020 R.A. Chasey
 2011 Dylan Neubauer
 2013 David popp
|
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Carex globosa Round fruit sedge
native
Perennial grasslike herb  2010 Dean W. Taylor, Ph.D
 2009 Neal Kramer
 2014 Steve Matson
|
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Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb  2020 Steve Matson
 2020 Steve Matson
 2020 Steve Matson
|
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Carex subbracteata Small bract sedge
native
Perennial grasslike herb  2012 Jake Ruygt
 2012 Jake Ruygt
 2003 Steve Matson
|
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Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
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Castilleja attenuata Narrow leaved owl's clover, Valley tassels
native
Annual herb  2018 Tim Lewis
 2018 Chico Hiking Association
 2007 Carol W. Witham
|
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Castilleja densiflora ssp. densiflora Dense flower owl's clover, Denseflower indian paintbrush
native
Annual herb  2018 Hayley Ross
 2019 Verna Jigour
 2014 James Gonsman
|
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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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Castilleja exserta ssp. exserta Exserted indian paintbrush, Pale purple owlclover, Purple owl's clover
native
Annual herb  2020 David Greenberger
 2017 Keir Morse
 2018 Gary McDonald
|
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Ceanothus cuneatus var. fascicularis Sand buck brush, Sedgeleaf buckbrush
 2020 David Greenberger
 2012 Neal Kramer
 2012 Neal Kramer
|
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Ceanothus impressus var. nipomensis Nipomo mesa ceanothus, Santa barbara ceanothus
native
Shrub  2006 Steve Matson
 2018 Susan McDougall
 2018 Susan McDougall
|
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Ceanothus spinosus Greenbark ceanothus, Redheart
native
Tree, Shrub  2018 Ron Vanderhoff
 2012 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
|
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Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2009 Barry Breckling
|
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Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany
native
Tree, Shrub  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Ron Vanderhoff
|
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Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb  2019 Aaron Echols
 2017 Amanda Weiss
 2015 John L. Thompson
|
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Chorizanthe diffusa Diffuse spineflower
native
Annual herb  2009 Neal Kramer
 2018 ken Hickan
 2014 David Wolfson
|
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Chorizanthe obovata Spoon sepal spineflower, Spoonsepal spineflower
native
Annual herb  2017 George Butterworth
 2017 George Butterworth
 2017 Adonis (Don) Tate
|
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Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle
native
Perennial herb  2018 Ken Hickman
 2009 John W. Wall
 2019 Randy Huey
|
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2005 Christopher L. Christie
 2016 Erik Larsen
 2019 Gustavo Vasquez
|
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Clarkia affinis Chaparral clarkia, Chaparral fairyfan
native
Annual herb  2020 Steve Laymon
 2019 Ken Hickman
 2009 Keir Morse
|
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Clarkia purpurea ssp. quadrivulnera Purple clarkia, Purple godetia, Winecup clarkia
native
Annual herb  2019 Joe Engelbrecht
 2020 Steve Laymon
 2018 Ron Vanderhoff
|
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Clarkia speciosa ssp. immaculata Pismo clarkia
 2020 Steve Laymon
 2020 Steve Laymon
 2009 CNPS, San Luis Obispo Chapter
|
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Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia
native
Annual herb  2019 David Greenberger
 2020 Steve Laymon
 2020 David Wolfson
|
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Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Chico Hiking Association
 2019 Gary McDonald
|
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Clematis ligusticifolia Creek clematis, Western virgin's bower, Western white clematis
native
Perennial herb, Vine  2018 Diane Etchison
 2020 Emily Sluiman
 2009 Neal Kramer
|
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Clinopodium douglasii Yerba buena
native
Perennial herb  2019 Gary McDonald
 2012 Gary McDonald
 2012 Gary McDonald
|
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Collinsia heterophylla Purple chinese houses
native
Annual herb  2019 Jacob Smith
 2019 David Greenberger
 2019 Jacob Smith
|
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Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2008 Keir Morse
 2016 Cynthia Powell
 2019 Ron Vanderhoff
|
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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
|
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Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2018 Ron Vanderhoff
 2019 Bonnie Nickel
 2019 stephen rosenthal
|
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Cornus sericea ssp. occidentalis Western dogwood
native
Shrub  2016 Neal Kramer
 2013 John Doyen
 2014 Zoya Akulova
|
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Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb  2016 Chris Leslie
 2018 Cynthia Powell
 2018 Bill Schmidt
|
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Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Crassula tillaea Mediterranean pygmy weed, Moss pygmyweed
non-native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Crocanthemum scoparium peak rush-rose, broom rush-rose
native
Shrub  2020 Stacie Wolny
 2020 Stacie Wolny
 2015 Richard Spellenberg
|
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Croton californicus California croton, Desert croton
native
Perennial herb  2002 Lynn Watson
 2005 Michelle Cloud-Hughes
 2017 Aaron Echols
|
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Croton setiger Turkey-mullein
native
Annual herb  2018 Rachelle Gray
 2019 Robin Street-Morris
 2014 Richard Chasey
|
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Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb  2011 Steve Matson
 2020 Ryan Carle
 2011 Steve Matson
|
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Cryptantha microstachys Popcorn flower, Tejon cryptantha
native
Annual herb  2019 Diane Etchison
 2018 Ron Vanderhoff
 2017 Diane Etchison
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Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder
native
Annual herb, Vine (parasitic)  2010 Vernon Smith
 2017 David popp
 2010 Neal Kramer
|
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Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Zoya Akulova
|
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Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2017 Gary McDonald
 2017 Gary McDonald
 2012 Neal Kramer
|
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Cyperus niger Black cyperus, Black flatsedge, Brown cyperus
native
Perennial grasslike herb  2009 Doreen L. Smith
 2003 Steve Matson
 2003 Steve Matson
|
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Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass  2005 Louis-M. Landry
 2003 Steve Matson
 2018 Kyndal Olin
|
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Datura stramonium Jimson weed, Jimsonweed
non-native
Annual herb  2013 Neal Kramer
 2004 Joseph Dougherty/ecology.org
 2013 Neal Kramer
|
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Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2014 Gary McDonald
 2014 Gary McDonald
|
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Deinandra increscens ssp. increscens Grassland tarweed
native
Annual herb  2011 George Williams
 2003 Lynn Watson
|
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Delairea odorata Cape ivy
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Delphinium parryi ssp. blochmaniae Blochman's larkspur, Dune larkspur
 1999 Christopher L. Christie
 Rick York and CNPS
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Dendromecon rigida Bush poppy, Tree poppy
native
Shrub  2019 Eliezer Margolis
 2020 Bryant Baker
 2018 Hunter Breck
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Diplacus aurantiacus var. aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2020 Ron Vanderhoff
|
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Dipterostemon capitatus ssp. capitatus
|
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Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2005 Steve Matson
|
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Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2019 Ron Vanderhoff
 2004 Brent Miller
 2019 Jacob Smith
|
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Dudleya caespitosa Coast dudleya, Sand lettuce
native
Perennial herb  2009 Zoya Akulova
 2008 Neal Kramer
 2019 Patrick Furtado
|
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Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Dudleya pulverulenta Chalk dudleya
native
Perennial herb  2018 Ron Vanderhoff
 2020 Julia Markey
 2018 Ron Vanderhoff
|
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Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass
non-native
Annual grass  2003 George W. Hartwell
 2008 Zoya Akulova
 2011 Eric Wrubel/NPS
|
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Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass  2013 Dale Ritenour
 2019 Ron Vanderhoff
 2014 Neal Kramer
|
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Elymus condensatus Giant wild rye
native
Perennial grass  2011 Neal Kramer
 2010 Michael O'Brien
 2006 Adonis (Don) Tate
|
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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 triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
|
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Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb  2016 Ron Vanderhoff
 2016 Keir Morse
 2018 Ron Vanderhoff
|
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Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2007 Neal Kramer
 2018 Ron Vanderhoff
|
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Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern  2008 Neal Kramer
 2008 Neal Kramer
 2005 James M. Andre
|
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Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern  2008 Zoya Akulova
 2008 Neal Kramer
 2015 Ron Vanderhoff
|
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Ericameria ericoides California goldenbush, Mock heather
native
Shrub  2003 Christopher L. Christie
 Robert Potts 2001 California Academy of Sciences
 2019 Margo Bors
|
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Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb  2007 Luigi Rignanese
 2008 Jorg Fleige
 2009 Neal Kramer
|
|
Erigeron canadensis Canada horseweed
native
Annual herb  2005 Luigi Rignanese
 2018 Matthew Chaney
 2016 John Doyen
|
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Erigeron philadelphicus Philadelphia fleabane
native
Perennial herb  2005 Christopher L. Christie
 2011 Zoya Akulova
 2014 Julie Kierstead Nelson
|
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Eriodictyon altissimum Indian knob mountainbalm
 2012 David Wolfson
 2015 Aaron Schusteff
 2015 Aaron Schusteff
|
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Eriogonum fasciculatum var. fasciculatum California buckwheat, Eastern mojave buckwheat
native
Shrub  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub  2019 Joerg Lohse
 2018 Ron Vanderhoff
 2013 Neal Kramer
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Ron Vanderhoff
 2020 Mary Conway
|
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Eriophyllum multicaule Branched woolly sunflower, Many stemmed eriophyllum, Manystem woolly sunflower
native
Annual herb  2020 David Wolfson
 2008 Keir Morse
 2017 Adonis Tate
|
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2012 Neal Kramer
 2014 Keir Morse
|
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Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb  2018 James Bailey
 2018 John Doyen
 2016 John Doyen
|
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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
|
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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
|
|
Erysimum capitatum var. capitatum Sanddune wallflower
native
Perennial herb  2008 Keir Morse
 2008 Keir Morse
 2020 Susan McDougall
|
|
Erythranthe floribunda Many flowered monkey flower
native
Annual herb  2020 Belinda Lo
 2019 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2014 Zoya Akulova
 2009 Barry Rice
 2019 Cynthia Powell
|
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2014 Steve Matson
|
|
Euphorbia maculata Spotted spurge
non-native
Annual herb  2014 John Doyen
 2015 Barry Breckling
 2014 John Doyen
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2020 Thomas Reyes
|
|
Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2013 Al Keuter
 2013 Al Keuter
|
|
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
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2007 Neal Kramer
 2005 Keir Morse
 2016 John Doyen
|
|
Galium trifidum ssp. columbianum Threepetal bedstraw
native
Perennial herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2019 Gary McDonald
 2019 Patrick Furtado
|
|
Gastridium phleoides Nit grass
non-native
Annual grass  2009 Zoya Akulova
 2009 Neal Kramer
 2017 Gary McDonald
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2003 Lynn Watson
 2015 Chris Jaster
 2019 Randy Huey
|
|
Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb  2019 Chico Hiking Association
 2018 Stacie Wolny
 2018 Stacie Wolny
|
|
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
|
|
Heliotropium curassavicum var. oculatum Alkali heliotrope, Seaside heliotrope
native
Perennial herb  2019 Rachelle Gray
 2018 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
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
|
|
Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle
native
Annual herb  2016 Ron Vanderhoff
 2006 Steve Matson
 2003 Michael Charters
|
|
Hesperomecon linearis Narrowleaf queen poppy
native
Annual herb  2013 Aaron Schusteff
 2018 David Wolfson
 2005 Christopher L. Christie
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2017 Gary McDonald
 2017 Gary McDonald
 2020 Julia Markey
|
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb  2001 Jeff Abbas
 2014 Robert Sikora
 2017 Hilary Mills
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2008 Neal Kramer
|
|
Hordeum brachyantherum ssp. californicum California barley, California meadow barley
native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Hordeum marinum subsp gussoneanum
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2009 Keir Morse
 2010 Neal Kramer
 2008 Zoya Akulova
|
|
Horkelia cuneata var. cuneata Wedge leaved horkelia
native
Perennial herb  2013 Jean Pawek
 2018 Debra L. Cook
 2018 Debra L. Cook
|
|
Horkelia cuneata var. puberula Mesa horkelia
 2008 Tony Morosco
 2008 Tony Morosco
 2013 Ron Vanderhoff
|
|
Hydrocotyle verticillata Whorled marsh pennywort, Whorled marshpennywort
native
Perennial herb  2010 Aaron Arthur
 2018 Ron Vanderhoff
 2015 Steve Matson
|
|
Hypericum anagalloides Creeping st. john's wort, Tinker's penny
native
Annual, Perennial herb  2017 David Greenberger
 2020 Joaquin Hale
 2020 joaquin hale
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Isolepis cernua Low bulrush
native
Annual grasslike herb  2011 Neal Kramer
 2010 Aaron Arthur
 2018 Ron Vanderhoff
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus occidentalis Rush, Slender juncus, Western rush
native
Perennial grasslike herb  2007 Neal Kramer
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2014 Mike Wood
 2007 Neal Kramer
|
|
Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella
native
Shrub  2020 Ron Vanderhoff
 2018 Diane Etchison
 2019 Aaron Echols
|
|
Koeleria gerardii Annual june grass, bristly koeleria
non-native
Annual grass  2006 Luigi Rignanese
 2018 Ken Hickman
 2011 Neal Kramer
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2019 David popp
 2012 Vernon Smith
 2008 Jorg Fleige
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2017 Diane Etchison
 2020 Ryan Carle
|
|
Lagophylla ramosissima Branched lagophylla, Common hareleaf
native
Annual herb  1996 Doreen L. Smith
 2011 Chris Winchell
 2005 Michael Charters
|
|
Lamarckia aurea Goldentop grass
non-native
Annual grass  2006 Luigi Rignanese
 2019 Ron Vanderhoff
 2007 Neal Kramer
|
|
Lamium amplexicaule Giraffe head, Henbit deadnettle
non-native
Annual herb  2020 Jennifer Mo
 2015 Diane Etchison
 2003 Michael Charters
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2015 Chris Jaster
|
|
Lemna gibba Duckweed, Gibbous duckweed, Swollen duckweed
native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb  2019 Neal Kramer
 2019 Neal Kramer
 2008 Keir Morse
|
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb  2019 Ken Lunders
 2020 Ron Vanderhoff
 2016 Ron Vanderhoff
|
|
Lessingia pectinata var. pectinata Valley lessingia
native
Annual herb  2005 Adonis (Don) Tate
 2005 Adonis (Don) Tate
|
|
Linanthus californicus ssp. californicus Prickly phlox
native
Shrub  2018 Ron Vanderhoff
 2020 Matt Berger
 2018 Ron Vanderhoff
|
|
Lithophragma affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb  2020 Mary Conway
 2018 Hector Borjas
 2015 Ken Lunders
|
|
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
|
|
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 arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub  2019 Patrick Furtado
 2013 James Gonsman
 2018 Juergen Blank
|
|
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 latifolius var. latifolius Broad leaf lupine
native
Perennial herb  2009 Thomas Stoughton
 2019 Alice Cummings
 2012 Aaron Arthur
|
|
Lupinus ludovicianus San luis lupine, San luis obispo county lupine
 2012 CNPS, San Luis Obispo Chapter
 2013 Chris Winchell
 2016 David Wolfson
|
|
Lupinus nanus Sky lupine
native
Annual herb  2019 Phyllis Fitzsimons
 2019 Mary Conway
 2019 Phyllis Fitzsimons
|
|
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
|
|
Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb  2019 Jennifer Mo
 2016 Andrew Longman
 2016 Andrew Longman
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2015 Debra L. Cook
 2020 Paul Aigner
 2016 John Doyen
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2008 Keir Morse
 2011 Neal Kramer
|
|
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
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb  2019 Aaron Echols
 ©2013 Gary McDonald
 ©2013 Gary McDonald
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Chico Hiking Association
 2008 Thomas Stoughton
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb  2003 Michael Charters
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2009 Keir Morse
 2014 Steve Matson
 2019 Ron Vanderhoff
|
|
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
|
|
Micropus californicus var. californicus Q tips, Slender cottonweed
native
Annual herb  2015 Richard Spellenberg
 2012 Neal Kramer
 2020 Matt Berger
|
 2020 Melissa Mooney
 © 2005 Adonis (Don) Tate
 2017 Keir Morse
|
|
Muhlenbergia microsperma Annual muhly, Littleseed muhly
native
Annual grass  2010 Gary A. Monroe
 2012 Neal Kramer
 2010 Gary A. Monroe
|
|
Muhlenbergia rigens Deergrass
native
Perennial grass  2004 Steve Matson
 2012 Neal Kramer
 2018 Cynthia Powell
|
|
Muilla maritima Common muilla, Sea muilla
native
Perennial herb  2014 Debra L. Cook
 2003 Michael Charters
 2003 Michael Charters
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic)  2019 Patrick Furtado
 2019 Diane Etchison
 2016 Joan Hampton
|
|
Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant
native
Annual herb  2007 Laura Ann Eliassen
 2019 Diane Etchison
 2019 Ken Hickman
|
|
Navarretia hamata ssp. parviloba Hooked navarretia, Small lobe navarretia
native
Annual herb  2009 Neal Kramer
 2018 Mary Conway
 2018 Adam Chasey
|
|
Nemophila menziesii Baby blue eyes
native
Annual herb  2019 Matt Berger
 2018 James Gonsman
 2020 Mary Conway
|
|
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
|
|
Oxalis pilosa Hairy wood sorrel
native
Annual herb  2010 Robert Steers/NPS
 2013 Robert Sikora
 2003 Bart and Susan Eisenberg
|
|
Paeonia californica California peony
native
Perennial herb  2004 Michelle Cloud-Hughes
 2019 Susan McDougall
 2019 Susan McDougall
|
|
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
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2019 Ron Vanderhoff
|
|
Persicaria punctata Dotted smartweed
native
Perennial herb  2014 Neal Kramer
 2018 Ron Vanderhoff
 2018 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
|
|
Phacelia tanacetifolia Lacy phacelia, Tansy leafed phacelia
native
Annual herb  2019 Susan McDougall
 2020 David Greenberger
 2010 Neal Kramer
|
|
Phacelia viscida var. viscida Sticky phacelia
native
Annual herb  2017 Gary Andrew
 2017 Keir Morse
 2018 Michael Mitchell
|
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass  2019 James Bailey
 2019 James Bailey
 2017 James Bailey
|
|
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 ssp. 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 muricata Bishop pine, Bull pine, Prickle cone pine
native
Tree  2004 Charles E. Jones
 2019 Susan McDougall
 2019 Susan McDougall
|
|
Plagiobothrys canescens Grey popcorn flower, Valley popcorn flower, Valley popcornflower
native
Annual herb  2004 Laura Ann Eliassen
 2004 George W. Hartwell
 2008 Keir Morse
|
|
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
|
|
Plantago major Common plantain
non-native
Perennial herb  2009 Barry Breckling
 2013 Debra L. Cook
 2015 Zoya Akulova
|
|
Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb  2008 Neal Kramer
 2010 Neal Kramer
 2010 Margo Bors
|
|
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
|
|
Polycarpon depressum California allseed, California manyseed, California polycarpon
native
Annual herb  2011 Neal Kramer
 2013 Keir Morse
 2013 Keir Morse
|
|
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
|
|
Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody
native
Fern  2008 Keir Morse
 2018 David popp
 2018 Cynthia Powell
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2007 Neal Kramer
 2006 Steve Matson
 2006 Luigi Rignanese
|
|
Populus trichocarpa Black cottonwood
native
Tree  2012 Zoya Akulova
 2014 Ron Vanderhoff
 2020 Susan McDougall
|
|
Primula clevelandi
|
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Holly leaved cherry, Hollyleaf cherry
native
Tree, Shrub  2018 Debra L. Cook
 2019 Bryant Baker
 2019 Marisa Persaud
|
|
Pseudognaphalium biolettii Two-color rabbit-tobacco
native
Perennial herb  2019 Diane Etchison
 2013 Vernon Smith
 2019 Nancy Hamlett
|
|
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
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2002 Doreen L. Smith
 2019 Susan McDougall
 2020 Susan McDougall
|
|
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 spithamea Ground rose, Sonoma rose
native
Shrub  2009 Genevieve K. Walden
 2009 Barry Breckling
 2012 Aaron Arthur
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub  2008 Keir Morse
 2008 Keir Morse
 2007 Neal Kramer
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb  2007 Dr. Mark S. Brunell
 2015 Richard Chasey
 2017 Gary McDonald
|
|
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
|
|
Sagina decumbens ssp. occidentalis Western pearlwort
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Salix laevigata Polished willow, Red willow
native
Tree  2018 Angelique Herman
 2020 Susan McDougall
 2019 Barbara Brydolf
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2008 Keir Morse
 2012 Zoya Akulova
 2016 Zoya Akulova
|
|
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
|
|
Samolus parviflorus Water pimpernel
native
Perennial herb  2006 Michael Charters
 2006 Michael Charters
 2016 Erik Larsen
|
|
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
|
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree  2009 Neal Kramer
 2000 Joe DiTomaso
 2017 William McCarey
|
|
Scrophularia atrata Black flowered figwort, Darkflowered figwort
 2012 Anuja Parikh and Nathan Gale
 Lyda Edge and CNPS
 2012 Chris Winchell
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2019 Ron Vanderhoff
 2018 Stacie Wolny
 2019 Cynthia Powell
|
|
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
|
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous)  2007 Neal Kramer
 2008 Jorg Fleige
 2012 Robert Sikora
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2017 Barbara Boethling
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb  2013 Debra L. Cook
 2002 Lynn Watson
 2014 Diane Etchison
|
|
Silene verecunda Dolores campion, San francisco campion
native
Annual herb  2019 Diane Etchison
 2019 Matt Berger
 2019 Diane Etchison
|
|
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
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2003 Michael Charters
 2018 Debra L. Cook
 2017 Zoya Akulova
|
|
Solidago elongata West coast canada goldenrod
native
Perennial herb  2007 Michelle Cloud-Hughes
 2009 Keir Morse
 2009 Keir Morse
|
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb  2018 Rebecca Schoenenberger
 2017 Hilary Mills
 2017 Hilary Mills
|
|
Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb  2007 Carol W. Witham
 2006 Steve Matson
 2010 Robert Steers/NPS
|
|
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
|
|
Spergula arvensis Corn spurry
non-native
Annual herb  2005 Steve Matson
 2020 Mary Conway
 2008 Keir Morse
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2014 James Gonsman
 2014 Dee Warenycia
 2014 Richard Chasey
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2018 Sheila Lodge
 2020 Bryant Baker
 2020 Ken Lunders
|
|
Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2017 MCOSD EDRR
 2015 Diane Etchison
|
|
Stellaria pallida Pale starwort
non-native
Annual herb  2008 Keir Morse
 2005 Keir Morse
 2005 Keir Morse
|
|
Stephanomeria elata Annual mitra, Santa barbara stephanomeria, Santa barbara wirelettuce
native
Annual herb  2003 James B. Gratiot
 2018 Julian Geoghegan
 2018 Julian Geoghegan
|
|
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
|
|
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 Mary Conway
 2018 Stacie Wolny
 2018 Stacie Wolny
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2001 Nick Kurzenko
 2018 Chico Hiking Association
 2019 Diane Etchison
|
|
Thalictrum fendleri var. fendleri Fendler's meadow rue
native
Perennial herb  2008 Steve Matson
 2015 Barry Breckling
 2018 Adam Chasey
|
|
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
|
|
Trichostema lanatum Woolly bluecurls
native
Shrub  2017 Ron Vanderhoff
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Trifolium ciliolatum Foothill clover, Tree clover
native
Annual herb  2020 Diane Etchison
 2019 Rachelle Gray
 2019 Ron Vanderhoff
|
|
Trifolium depauperatum var. truncatum Dwarf sack clover
native
Annual herb  2015 Debra L. Cook
 2015 Debra L. Cook
 2004 Carol W. Witham
|
|
Trifolium grayi Gray's clover
native
Annual herb  2007 Neal Kramer
 2010 Vernon Smith
 2013 Vernon Smith
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
|
|
Trifolium incarnatum Crimson clover
non-native
Annual herb  2018 Tim Lewis
 2019 Amy Rapport
 2018 Cynthia Powell
|
|
Trifolium microcephalum Hairy clover, Maiden clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2008 Neal Kramer
 2018 Zoya Akulova
|
|
Trifolium subterraneum Sub clover, Subterranean clover
non-native
Annual herb  2008 Jennifer Buck
 2008 Neal Kramer
 2019 Matt Berger
|
|
Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover
native
Annual herb  2004 Carol W. Witham
 2016 Cheryl Ballantyne
 2019 Diane Etchison
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb  2025 Kim Cabrera
 2018 Stacie Wolny
 2020 Ron Vanderhoff
|
|
Trifolium wormskioldii Coast clover, Cow clover, Cows clover
native
Perennial herb  2018 Hayley Ross
 2009 Dr. Mark S. Brunell
 2015 James Gonsman
|
|
Triodanis biflora Venus looking glass, Venus' looking glass
native
Annual herb  2007 Neal Kramer
 2015 Aaron Schusteff
 2003 Jim Rocks
|
|
Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck
native
Annual herb  2004 Carol W. Witham
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Tropidocarpum gracile Dobie pod, Slender keel fruit, Slender tropidocarpum
native
Annual herb  2008 Keir Morse
 2019 Susan McDougall
 2017 Gary McDonald
|
|
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
|
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb  2019 Gary McDonald
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Vaccinium ovatum California huckleberry, Evergreen huckleberry
native
Shrub  2017 James Gonsman
 2020 Susan McDougall
 2020 Kim Cabrera
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Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2019 Mary Conway
 2018 Mary Conway
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Vicia sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch
non-native
Annual herb, Vine  2008 Steve Matson
 2008 Steve Matson
 2020 Ron Vanderhoff
|
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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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Xanthium spinosum Spiny clotbur, Spiny cockleburr
non-native
Annual herb  2018 Joslyn Curtis
 2014 Richard Spellenberg
 2020 Thomas Reyes
|
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Xanthium strumarium Rough cockleburr
native
Annual herb  2019 Ron Vanderhoff
 2018 Ron Vanderhoff
 2017 B.J. Dion
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Zeltnera davyi Davy's centaury
native
Annual herb  2013 John Doyen
 2018 Mary Conway
 2012 Vernon Smith
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native
