Red Hills Sierra Nevada foothills Tuolumne County |
|
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| Davilla, B.; Clifton, G.; Taylor D. / G.F. Hrusa checklists (1984-01-01) |
| 331 PLANTS |
|
Achyrachaena mollis Blow-Wives
native
Annual herb  2015 Diane Etchison
 2021 Cynthia Powell
 2018 Gary McDonald
|
|
Adenostoma fasciculatum Chamise
native
Tree, Shrub  2008 Thomas Stoughton
 2017 Aaron Echols
 2019 Talila Golan
|
|
Aegilops triuncialis Barbed goatgrass
• invasive non-native
Annual grass  2019 Jim Xerogeanes
 2001 Joe DiTomaso
 2017 Contractor MROSD
|
|
Agoseris heterophylla Annual agoseris, Annual mountain dandelion
native
Annual herb  2021 Lisa Berry
 2021 Lisa Berry
 2020 Bob Sweatt
|
|
Agrostis exarata var. monolepis Spike bentgrass, Spike redtop
native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Agrostis microphylla Little leaf bentgrass, Small leaf bentgrass, Small leaved bentgrass
native
Annual grass  1998 Dean Wm. Taylor
 2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Rachelle Gray
|
|
Ailanthus altissima Ailanthus, Tree of heaven
• invasive non-native
Tree  2014 Dr. Amadej Trnkoczy
 2013 Neal Kramer
 2014 Dr. Amadej Trnkoczy
|
|
Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2010 Zoya Akulova
|
|
Alisma plantago-aquatica Northern water plantain
native
Perennial herb (aquatic)  2019 Gena Bentall
 2007 Neal Kramer
 2012 Barry Breckling
|
|
Allium cratericola Cascade onion
native
Perennial herb (bulb)  2010 Ron Wolf
 2008 George W. Hartwell
 2010 Ron Wolf
|
|
Allium peninsulare Mexicali onion
native
Perennial herb (bulb)  2019 Diane Etchison
 2019 Diane Etchison
 2005 Steven Thorsted
|
|
Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb  2006 Keir Morse
 2017 Angelique Herman
 2004 Penn Martin II
|
|
Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed
native
Annual herb  2005 Luigi Rignanese
 2009 Neal Kramer
 2015 Zoya Akulova
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2009 Keir Morse
 2019 Barbara Boethling
|
|
Ancistrocarphus filagineus False neststraw, Woolly fishhooks
native
Annual herb  2009 Barry Rice
 2020 Matt Berger
 2008 Keir Morse
|
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb  2007 Neal Kramer
 2019 Dave Beller
 2017 Diane Etchison
|
|
Antirrhinum vexillo-calyculatum ssp. breweri Wiry snapdragon
native
Annual herb  2020 Stacie Wolny
 2017 Michelle Bosch
 2019 Ken Hickman
|
|
Aphanes occidentalis Western lady's mantle
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2017 Ron Vanderhoff
 2009 Keir Morse
|
|
Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe
native
Perennial herb (parasitic)  2016 Richard Spjut
 2019 Talila Golan
 2020 Charles Russell
|
|
Arctostaphylos manzanita ssp. manzanita Common Manzanita
native
Shrub  2019 Susan McDougall
 2015 James Gonsman
 2018 Adam Chasey
|
|
Arctostaphylos viscida ssp. mariposa Mariposa manzanita
native
Tree, Shrub  2009 Barry Breckling
 2018 Susan McDougall
 2018 Susan McDougall
|
|
Asclepias fascicularis whorled milkweed, Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2017 Gary McDonald
 2019 Ron Vanderhoff
|
|
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 grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
|
|
Blennosperma nanum Common stickyseed, Yellow carpet
native
Annual herb  2015 John Doyen
 2015 Debra L. Cook
 2013 Aaron Arthur
|
|
Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass
non-native
Annual grass  2005 Brent Miller
 2008 Keir Morse
 2004 Carol W. Witham
|
|
Brodiaea elegans Harvest brodiaea
native
Perennial herb  2019 Joe Engelbrecht
 2019 Alison Sheehey
 2020 Leah Gardner
|
|
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
|
|
Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2006 Brent Miller
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Bromus madritensis ssp. madritensis Foxtail chess
non-native
Annual grass  2005 Steve Matson
 2012 Robert Steers
 2007 David L. Magney
|
|
Bromus madritensis ssp. rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
|
|
Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass  2008 Keir Morse
 2008 Keir Morse
 2005 Steve Matson
|
|
Calandrinia ciliata red maids, Calandrinia
native
Annual herb  2021 Mary Ann Machi
 2019 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Calochortus albus White fairy lantern, White globe lily
native
Perennial herb  2019 David Greenberger
 2020 Tina Curiel
 2019 Cynthia Powell
|
|
Calochortus invenustus Plain mariposa lily
native
Perennial herb  2020 Mitchell Coleman
 Geoff Burleigh
 2012 Ron Vanderhoff
|
|
Calochortus superbus Yellow mariposa
native
Perennial herb  2017 Eric Schmidt
 2019 Julie Kierstead Nelson
 2019 Julie Kierstead Nelson
|
|
Calochortus venustus Butterfly mariposa lily
native
Perennial herb  Geoff Burleigh
 Geoff Burleigh
 2012 Zack Abbey
|
|
Calycadenia mollis Soft calycadenia, Soft western rosinweed
native
Annual herb  2014 Debra L. Cook
 2009 Neal Kramer
 2010 Barry Breckling
|
|
Calycadenia multiglandulosa Rosin weed, Sticky calycadenia, Sticky western rosinweed
native
Annual herb  2018 Alice Cummings
 2019 Adam Chasey
 2019 Alice Cummings
|
|
Calycadenia truncata Rosin weed
native
Annual herb  2020 R.A. Chasey
 2016 Steve Matson
 2019 Matt Berger
|
|
Calycanthus occidentalis Spicebush, Sweet shrub
native
Shrub  2020 Anna Prang
 2017 Suzanne L. Weakley
 2019 Robert Nance
|
|
Calystegia occidentalis ssp. fulcrata Chaparral false bindweed, Sonora morning glory
native
Perennial herb  2011 Aaron Arthur
 2014 Jean Pawek
 2014 Jean Pawek
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2007 Carol W. Witham
 2019 Cynthia Powell
 2020 Bob Sweatt
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb  2019 Chico Hiking Association
 2013 Emily Wong
 2013 Ron Wolf
|
|
Carex densa Dense sedge, Sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Dean Wm. Taylor, Ph.D.
 2008 Dean Wm. Taylor, Ph.D.
|
|
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 praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb  2020 Ken Hickman
 2020 John Rawlings
 2020 Steve Matson
|
|
Carex serratodens Bifid sedge, Two tooth sedge
native
Perennial grasslike herb  2021 Cynthia Powell
 2009 Neal Kramer
 2019 Steve Matson
|
|
Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge
native
Perennial grasslike herb  2009 Chris Wagner
 2021 John Rawlings
 2021 John Rawlings
|
|
Castilleja affinis Indian paintbrush
native
Perennial herb  2019 Aleksandra Evert
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Castilleja applegatei Pine indian paintbrush, Wavy leaf paintbrush, Wavy leaved paintbrush
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2019 Chico Hiking Association
|
|
Castilleja attenuata Narrow leaved owl's clover, Valley tassels
native
Annual herb  2018 Tim Lewis
 2018 Chico Hiking Association
 2007 Carol W. Witham
|
|
Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush
native
Perennial herb  2019 Ron Vanderhoff
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush
native
Annual herb  2021 R.A. Chasey
 2019 Matt Berger
 2017 Diane Etchison
|
|
Castilleja subinclusa Franciscan paint brush, Longleaf indian paintbrush
native
Perennial herb  2010 Larry Beckerman
 2013 Neal Kramer
 2019 David popp
|
|
Ceanothus cuneatus Buck brush, Wedgeleaf ceanothus
native
Shrub  2016 Tom Castro
 2019 Bryant Baker
 2020 Julie A. Kierstead
|
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
|
|
Centaurium venustum Charming centaury
native
Annual herb  2019 Diane Etchison
 2020 Ron Vanderhoff
 2020 Aaron Echols
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2009 Barry Breckling
|
|
Ceratophyllum demersum Coon's tail, Hornwort
native
Perennial herb  2008 Neal Kramer
 2013 Ron Vanderhoff
 2008 Neal Kramer
|
|
Chaenactis glabriuscula Common yellow chaenactis, Yellow pincushion
native
Annual herb  2019 Matt Berger
 2019 Ron Vanderhoff
 2005 Christopher L. Christie
|
|
Chamaesyce ocellata Contura creek spurge
native
Annual herb  © 2005 George W. Hartwell
 2015 Barry Breckling
 2015 Barry Breckling
|
|
Chamomilla suaveolens Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Chico Hiking Association
 2019 Bob Sweatt
|
|
Chlorogalum grandiflorum Red hills soap plant, Red hills soaproot
 2019 David Greenberger
 2004 George W. Hartwell
 2004 George W. Hartwell
|
|
Chlorogalum pomeridianum Amole, Soap plant, Soaproot
native
Perennial herb  2019 Patrick Furtado
 2020 Robert Katz
 2018 Karen Scheuermann
|
|
Chorizanthe membranacea Pink spineflower
native
Annual herb  2019 David Greenberger
 2019 Ken Hickman
 2009 Keir Morse
|
|
Chorizanthe polygonoides Knotweed spineflower
native
Annual herb  2009 Neal Kramer
 2019 Adam Chasey
 2010 Benjamin Smith
|
|
Cicendia quadrangularis Common microcalis, Oregon timwort
native
Annual herb  2015 Judy and Barry Breckling
 2019 Gena Bentall
 2007 Neal Kramer
|
|
Cirsium occidentale var. californicum Bigelow thistle, California thistle, Cobwebby thistle
native
Perennial herb  2019 Mary Wloch
 2013 James Gonsman
 2014 James Gonsman
|
|
Clarkia arcuata Glandular clarkia, Glandular fairyfan
native
Annual herb  2019 Steve Laymon
 2021 Donald Burk
 2018 Chico Hiking Association
|
|
Clarkia biloba ssp. biloba Two lobed clarkia, Twolobe clarkia
native
Annual herb  2019 David Greenberger
 2020 Steve Laymon
 2015 Neal Kramer
|
|
Clarkia purpurea ssp. purpurea Purple clarkia, Winecup clarkia
native
Annual herb  2007 Neal Kramer
 2018 Steve Laymon
 2007 Neal Kramer
|
|
Clarkia williamsonii Fort Miller clarkia, Fort Miller fairyfan
native
Annual herb  2019 Alison Sheehey
 2020 Shane Hanofee
 2019 Alison Sheehey
|
|
Claytonia exigua ssp. exigua Little spring beauty, Serpentine springbeauty, Viridis
native
Annual herb  2020 Ken Lunders
 2021 Zoya Akulova-Barlow
 2003 James B. Gratiot
|
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Chico Hiking Association
 2019 Gary McDonald
|
|
Clematis lasiantha Chaparral clematis, Pipestem
native
Perennial herb, Vine  2018 Stacie Wolny
 2016 Julie Watson
 2016 Julie Ann Watson
|
|
Collinsia sparsiflora var. collina Hillside collinsia, Spinster's blue eyed mary
native
Annual herb  2015 John Doyen
 2015 John Doyen
 2009 Keir Morse
|
|
Collinsia sparsiflora var. sparsiflora Few flowered collinsia, Spinster's blue eyed mary
native
Annual herb  2007 Dianne Fristrom
 2009 Neal Kramer
 2015 James Gonsman
|
|
Collinsia tinctoria Sticky chinese houses, Tincture plant
native
Annual herb  2019 Verna Jigour
 2005 Christopher L. Christie
 2019 Chico Hiking Association
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2008 Keir Morse
 2013 Toni Corelli
 2019 Ron Vanderhoff
|
|
Cordylanthus tenuis ssp. tenuis Slender bird's beak
native
Annual herb  2009 Keir Morse
 2010 Barry Breckling
 2012 Debra L. Cook
|
|
Coreopsis stillmanii Stillman's coreopsis
native
Annual herb  2009 Barry Breckling
 2009 Barry Breckling
 2020 Matt Berger
|
|
Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb  2011 Neal Kramer
 2014 Keir Morse
 2020 Ron Vanderhoff
|
|
Crassula aquatica Aquatic pygmy weed, Pigmy weed, Water pygmyweed
native
Annual herb  2017 Diane Etchison
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Cryptantha flaccida Beaked cryptantha, Flaccid cryptantha, Weakstem cryptantha
native
Annual herb  2009 Neal Kramer
 2016 Steve Matson
 2016 Steve Matson
|
|
Cryptantha intermedia Clearwater cryptantha, Common cryptantha
native
Annual herb  2019 Ron Vanderhoff
 2018 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Cryptantha muricata Pointed cryptantha, Prickly cryptantha, Prickly popcorn flower
native
Annual herb  2008 Keir Morse
 2019 Marisa Persaud
 2016 Chris Leslie
|
|
Cuscuta sp.
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Zoya Akulova
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2016 Joan Hampton
 2017 Gary McDonald
 2012 Neal Kramer
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2014 Gary McDonald
 2021 Ken Lunders
|
|
Delphinium hansenii Eldorado larkspur, Hansen's larkspur
native
Perennial herb  2005 Christopher L. Christie
 2011 Jean Pawek
 2013 Jean Pawek
|
|
Delphinium hesperium Foothill larkspur, Western larkspur
native
Perennial herb  2020 Fred Melgert / Carla Hoegen
 2020 Fred Melgert / Carla Hoegen
 2015 John Doyen
|
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass  2004 Carol W. Witham
 2007 Carol W. Witham
 2008 Keir Morse
|
|
Dichelostemma capitatum Blue dicks
native
Perennial herb  2020 Bryant Baker
 2020 Cheryl Ballantyne
 2020 Aleksandra Evert
|
|
Dichelostemma multiflorum Many flowered brodiaea, Manyflower brodiaea, Roundtooth snakelily
native
Perennial herb  2019 David popp
 2019 David popp
 2019 Julie Kierstead Nelson
|
|
Dodecatheon hendersonii Mosquito bill
native
Perennial herb  2019 Patrick Furtado
 2017 John Game
 2015 Susan McDougall
|
|
Draba verna Spring draba, Whitlow grass, Whitlowgrass
non-native
Annual herb  2019 Matt Berger
 2019 Matt Berger
 2020 Chico Hiking Association
|
|
Dudleya cymosa Canyon dudleya, Canyon liveforever, Rock lettuce
native
Perennial herb  2019 Paul Aigner
 2018 Elinor Gates
 2019 Chico Hiking Association
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2004 Carol W. Witham
 2001 John Game
 2003 Steve Matson
|
|
Eleocharis rostellata Beaked spikerush, Walking sedge
native
Perennial grasslike herb  2013 Robert Steers/NPS
 2015 Steve Matson
 2013 Robert Steers/NPS
|
|
Elymus multisetus Big squirreltail grass
native
Perennial grass  2006 Tom Annese
 2016 Ron Vanderhoff
 2006 Tom Annese
|
|
Epilobium densiflorum Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose
native
Annual herb  2020 Bob Sweatt
 2008 Keir Morse
 2020 Bob Sweatt
|
|
Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb
native
Annual herb  2009 Keir Morse
 2019 Julian Geoghegan
 2009 Barry Brecklin
|
|
Ericameria arborescens Golden fleece, Goldenfleece
native
Shrub  2019 Bryant Baker
 2015 Hayley Ross
 2019 Bryant Baker
|
|
Eriodictyon californicum California yerba santa, Yerba santa
native
Shrub  2019 David Magney
 2018 James Gonsman
 2011 John W. Wall
|
|
Eriogonum nudum var. nudum Naked buckwheat, Naked stemmed eriogonum, Nude buckwheat
native
Shrub  2014 James Gonsman
 2014 James Gonsman
 2019 Chico Hiking Association
|
|
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat, Naked buckwheat
native
Annual herb  2009 Keir Morse
 2009 Keir Morse
 2010 Gary A. Monroe
|
|
Eriogonum vimineum Wicker buckwheat, Wicker stemmed eriogonum, Wickerstem buckwheat
native
Annual herb  2008 Keir Morse
 2006 David McClurg
 2008 Keir Morse
|
|
Eriophyllum lanatum var. grandiflorum Common woolly sunflower, Large flowered woolly sunflower
native
Perennial herb  2020 John Dittes
 2015 John Doyen
 2011 Steven Perry
|
|
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
|
|
Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy
native
Annual herb  2009 Keir Morse
 2009 Keir Morse
 2020 Evan MacKinnon
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2021 Ron Vanderhoff
 2020 Amy Rapport
 2009 Barry Rice
|
|
Eschscholzia lobbii Frying pans, Fryingpans
native
Annual herb  2001 George W. Hartwell
 2007 Neal Kramer
 2020 Julie A. Kierstead
|
|
Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb  2014 Neal Kramer
 2015 John Doyen
 2008 Keir Morse
|
|
Filago californica California cottonrose
native
Annual herb  2017 Robert Steers
 2019 Matt Berger
 2015 Diane Etchison
|
|
Filago gallica Narrowleaf cottonrose
non-native
Annual herb  2013 Keir Morse
 2013 Keir Morse
 2017 Barbara Boethling
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium bolanderi Bolander galium, Bolander's bedstraw
native
Perennial herb  2020 Neal Kramer
 2020 Neal Kramer
 2008 Neal Kramer
|
|
Galium murale Tiny bedstraw, Yellow wall bedstraw
non-native
Annual herb  2011 Zoya Akulova
 2009 Barry Breckling
 2005 Keir Morse
|
|
Galium porrigens var. tenue Graceful bedstraw
native
Vine, Shrub  2009 Barry Breckling
 2012 Jean Pawek
 2009 Barry Breckling
|
|
Gastridium ventricosum Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Paul Aigner
|
|
Geranium carolinianum Carolina geranium
native
Annual herb  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2004 Carol W. Witham
|
|
Gilia capitata Blue field gilia, Bluehead gilia
native
Annual herb  2011 Gerald Carr
 2003 Charles E. Jones
 2011 Gerald Carr
|
|
Gilia tricolor ssp. diffusa Bird's eye gilia, Bird's eyes
native
Annual herb  2019 David Magney
 2016 Richard Chasey
 2019 Matt Berger
|
|
Githopsis pulchella ssp. serpentinicola Serpentine bluecup, Sierra bluecup
 2005 Steve Tyron
 2016 Steven Thorsted
 2005 Steve Tyron
|
|
Githopsis specularioides Common bluecup, Venus' looking glass
native
Annual herb  2016 David popp
 2011 Steven Perry
 2018 John Game
|
|
Gnaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2019 Gary McDonald
 2008 Keir Morse
 2019 Stacie Wolny
|
|
Gnaphalium luteo-album Jersey cudweed
non-native
Annual herb  2008 Gary McDonald
 2008 Jorg Fleige
 2016 Richard Spellenberg
|
|
Gnaphalium stramineum Cottonbatting plant
native
Perennial herb  2020 Ryan Carle
 2017 Diane Etchison
 2011 Toni Corelli
|
|
Grindelia camporum Common gumplant, Great valley gumweed, Gum plant
native
Perennial herb  2015 Diane Etchison
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Helenium bolanderi Bolander's sneezeweed, Coastal sneezeweed
native
Perennial herb  2020 Mary Sue Ittner
 2021 James Gonsman
 2021 James Gonsman
|
|
Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower
native
Annual herb  2019 Laura Moon
 2019 Bob Sweatt
 2019 Laura Moon
|
|
Hemizonia sp.
|
|
Hesperevax acaulis Dwarf evax, Stemless dwarf cudweed
native
Annual herb  1992 Dean Wm. Taylor
 2016 Neal Kramer
 2013 Aaron Arthur
|
|
Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax
native
Annual herb  2020 David Greenberger
 2021 R.A. Chasey
 2003 Michael Charters
|
|
Heterocodon rariflorum Few flowered heterocodon, Rareflower heterocodon, Western pear flower
native
Annual herb  2020 Bob Sweatt
 2011 Barry Breckling
 2020 Bob Sweatt
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Heuchera micrantha var. erubescens Alum root, Crevice alumroot
native
Perennial herb  2021 Mary Ann Machi
 2020 Susan McDougall
 2014 James Gonsman
|
|
Hoita macrostachya California hemp, Large leather root
native
Perennial herb  2009 Lynn Watson
 2021 Jamie Spielmann
 2021 Jamie Spielmann
|
|
Holocarpha virgata Narrow tarplant, Pitgland tarweed, Yellowflower tarweed
native
Annual herb  2019 Ron Vanderhoff
 2019 stephen rosenthal
 2001 Jeff Abbas
|
|
Holozonia filipes Greene's white crown, Holozonia, Whitecrown
native
Perennial herb  2015 Steve Matson
 2008 Zoya Akulova
 2016 Julie A. Kierstead
|
|
Hordeum brachyantherum ssp. californicum California barley, California meadow barley
native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley
non-native
Annual grass  2009 Neal Kramer
 2002 Ann Dennis
 2004 Carol W. Witham
|
|
Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley
non-native
Annual grass  2009 Barry Rice
 2015 Gary McDonald
 2015 Gary McDonald
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2015 Richard Chasey
 2009 Keir Morse
 2010 Neal Kramer
|
|
Horkelia californica ssp. dissita California horkelia
native
Perennial herb  2013 Jake Ruygt
 1995 Saint Mary's College of California
 2013 Jake Ruygt
|
|
Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2008 Keir Morse
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Isoetes howellii Howell's quillwort, Quillwort
native
Fern  2007 Neal Kramer
 2007 Neal Kramer
 2019 Ron Vanderhoff
|
|
Juglans californica var. hindsii Northern california black walnut
 2009 Neal Kramer
 2019 David popp
 2015 Susan McDougall
|
|
Juncus balticus Baltic rush, Wire rush
native
Perennial grasslike herb  2005 Brent Miller
 2008 Keir Morse
 2005 Brent Miller
|
|
Juncus bufonius Common toad rush, Toad rush
native
Annual grasslike herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2004 James M. Andre
|
|
Juncus capitatus Leafy bracted dwarf rush, Leafybract dwarf rush
non-native
Annual grasslike herb  2004 Carol W. Witham
 2013 Robert Steers/NPS
 2013 Aaron Arthur
|
|
Juncus mexicanus Mexican rush
native
Perennial grasslike herb  2003 Brent Miller
 2004 Steve Matson
 2014 Aaron Arthur
|
|
Juncus oxymeris Pointed rush
native
Perennial grasslike herb  2003 Steve Matson
 2013 Jake Ruygt
 2003 Steve Matson
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb  2016 Erik Larsen
 2021 Stephen Rosenthal
 2017 Ron Vanderhoff
|
|
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
 2020 Mark Kircher
 2009 Neal Kramer
|
|
Lagophylla glandulosa Glandular hareleaf
native
Annual herb  2011 Steven Perry
 2019 Chico Hiking Association
 2019 David popp
|
|
Lamium amplexicaule Giraffe head, Henbit deadnettle
non-native
Annual herb  2009 Debra Valov
 2020 Julie A. Kierstead
 2015 Diane Etchison
|
|
Lasthenia californica California goldfields, Common goldfields, Valley goldfields
native
Annual herb  2020 Ron Vanderhoff
 2017 MCOSD EDRR
 2020 Ron Vanderhoff
|
|
Layia fremontii Fremont layia, Fremont's tidy tips, Fremont's tidytips
native
Annual herb  2005 Christopher L. Christie
 2005 Christopher L. Christie
 2020 Kathryn Cehrs
|
|
Lepidium dictyotum Alkali pepperweed, Net pepper grass
native
Annual herb  2009 Zoya Akulova
 2009 California State University, Stanislaus
 2012 Jean Pawek
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
|
Lepidium oblongum Veiny pepper grass, Veiny pepperweed, Wayside peppergrass
native
Annual herb  2006 Steve Matson
 2017 Ron Vanderhoff
 2010 Gary A. Monroe
|
|
Lessingia glandulifera Valley lessingia, Valley vinegar weed
native
Annual herb  2003 Michael Charters
 2004 James M. Andre
 2009 James M. Andre
|
|
Lessingia leptoclada Sierra lessingia
native
Annual herb  2008 Ron Wolf
 2019 R.A. Chasey
 2008 Ron Wolf
|
|
Lessingia nemaclada Slender stemmed lessingia, Slenderstem lessingia, Thread stem lessingia
native
Annual herb  1995 Arthur H. Bazell, M.D.
 2007 Neal Kramer
 2010 Neal Kramer
|
|
Lewisia rediviva Bitter root
native
Perennial herb  2016 Suzanne L. Weakley
 2021 Lisa Berry
 2021 Lisa Berry
|
|
Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam
native
Annual herb  2004 Carol W. Witham
 2014 Zoya Akulova
 2018 Ann Elliott
|
|
Limnanthes montana Mountain meadowfoam
native
Annual herb  2009 Neal Kramer
 2007 Neal Kramer
 2021 Mike Russler
|
|
Linanthus bicolor True babystars
native
Annual herb  2019 David Greenberger
 2020 Chico Hiking Association
 2019 Chico Hiking Association
|
|
Linanthus bolanderi Bolander's linanthus
native
Annual herb  2009 Steven Perry
 2011 Barry Breckling
 2008 Keir Morse
|
|
Linanthus filipes Thread linanthus
native
Annual herb  2009 Barry Breckling
 2020 Matt Berger
 2015 John Doyen
|
|
Linanthus pygmaeus Pygmy linanthus
native
Annual herb  2009 Keir Morse
 2004 Laura Ann Eliassen
 2012 Gary McDonald
|
|
Lithophragma affine Common woodland star, San francisco woodland star, Woodland star
native
Perennial herb  2020 Mary Conway
 2018 Hector Borjas
 2020 Mary Conway
|
|
Lolium multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
|
Lolium perenne Italian rye grass
• invasive non-native
Annual, Perennial grass 2004 Carol W. Witham
2018 MCOSD EDRR
2003 James B. Gratiot
|
|
Lomatium congdonii Congdon's lomatium, Mariposa desertparsley
 2019 Jennifer Poore
 2012 Lynn Robertson
 2012 Lynn Robertson
|
|
Lomatium marginatum Butte desertparsley, Hartweg's lomatium, Tall hog fennel
native
Perennial herb  2013 Debra L. Cook
 2009 George W. Hartwell
 2013 Debra L. Cook
|
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb  2019 Gary McDonald
 2020 Matt Berger
 2020 Matt Berger
|
|
Lonicera interrupta Chaparral honeysuckle
native
Vine, Shrub  2018 David Greenberger
 2019 Julie Kierstead Nelson
 2008 Chris Winchell
|
|
Lotus humistratus Short podded lotus
native
Annual herb  2008 Keir Morse
 2005 Steve Matson
 2013 Jean Pawek
|
|
Lotus purshianus var. purshianus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
|
|
Lotus wrangelianus Chilean trefoil
native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Ludwigia peploides ssp. montevidensis Floating primrose willow, Floating water primrose
• invasive non-native
Perennial herb  2010 Barry Breckling
 2012 Aaron Arthur
 2012 Aaron Arthur
|
|
Lupinus benthamii Bentham lupine, Spider lupine
native
Annual herb  2015 John Doyen
 2017 John Doyen
 2015 John Doyen
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Gary McDonald
|
|
Lupinus microcarpus var. microcarpus Chick lupine, Valley lupine
native
Annual herb  2003 George W. Hartwell
 2015 Zoya Akulova
 2006 Steve Matson
|
|
Lupinus pachylobus Big pod lupine, Fatpod lupine, Mt. diablo lupine
native
Annual herb  2013 Jake Ruygt
 2018 Michael Mitchell
 2018 Michael Mitchell
|
|
Madia elegans ssp. densifolia Common madia
native
Annual herb  2019 Bob Sweatt
 2019 Bob Sweatt
 2020 Diane Etchison
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb  2007 Neal Kramer
 2015 Neal Kramer
 2013 Vernon Smith
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2019 David Magney
 2019 Ron Vanderhoff
 2019 David Magney
|
|
Meconella californica California fairypoppy, California meconella
native
Annual herb  2015 John Doyen
 2006 Aaron Schusteff
 2013 Aaron Schusteff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Melica californica var. nevadensis California melicgrass, Few flowered california melic
native
Perennial grass  2021 David popp
 2021 David popp
 2021 David popp
|
|
Melica torreyana Torrey melic, Torrey's melica, Torrey's melicgrass
native
Perennial grass  2012 Al Keuter
 2019 John Rawlings
 2017 MCOSD Restoration Crew
|
|
Melilotus indicus Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Mentha spicata Spearmint
non-native
Perennial herb  2008 Keir Morse
 2015 Barry Breckling
 2014 Zoya Akulova
|
|
Micropus californicus var. californicus Q tips, Slender cottonweed
native
Annual herb  2015 Richard Spellenberg
 2012 Neal Kramer
 2020 Matt Berger
|
|
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 congdonii Congdon's monkeyflower
native
Annual herb  2015 Peter Warner
 2009 Aaron Schusteff
 2009 Keir Morse
|
|
Mimulus douglasii Purple mouse ears
native
Annual herb  2018 Chico Hiking Association
 2021 Mary Ann Machi
 2017 John Rawlings
|
|
Mimulus floribundus Many flowered monkey flower
native
Annual herb  2020 Belinda Lo
 2019 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Mimulus guttatus Seep monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2019 Chico Hiking Association
 2015 James Gonsman
|
|
Minuartia californica California sandwort, Sandwort
native
Annual herb  2021 Steve Matson
 2021 Steve Matson
 2021 Steve Matson
|
|
Minuartia douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb  2005 Steve Matson
 2015 Barry Thomson
 2014 Keir Morse
|
|
Monardella villosa Coyote mint
native
Perennial herb  2020 Mary Sue Ittner
 2019 Patrick Furtado
 2019 Patricia Ashe
|
|
Monolopia sp.
|
|
Nassella pulchra Purple needle grass
native
Perennial grass  2019 Michelle Karle
 2018 Gary McDonald
 2019 Ron Vanderhoff
|
|
Navarretia intertexta ssp. intertexta Interwoven navarretia, Needle leaved navarretia, Needleleaf navarretia
native
Annual herb  2019 Steve Matson
 2019 Steve Matson
 2020 Bob Sweatt
|
|
Navarretia pubescens Downy pincushionplant, Purple navarretia
native
Annual herb  2019 Ken Hickman
 2019 David Greenberger
 2018 Stacie Wolny
|
|
Navarretia squarrosa Skunkbush, Skunkweed
native
Annual herb  2019 Marisa Persaud
 2019 Patrick Furtado
 2007 Neal Kramer
|
|
Nemophila maculata Five spot, Fivespot
native
Annual herb  2021 Mike Russler
 2020 Matt Berger
 2021 Mike Russler
|
|
Odontostomum hartwegii Hartweg's doll's lily, Hartweg's odontostomum, Odontostomum
native
Perennial herb  2006 Dr. Mark S. Brunell
 2015 John Doyen
 2019 Julie Kierstead Nelson
|
|
Orobanche fasciculata Clustered broomrape
native
Perennial herb (parasitic)  2016 Jim Xerogeanes
 2020 Bob Sweatt
 2016 Yolanda Waddell
|
|
Panicum acuminatum Western panicgrass, Western panicum, Western witch grass
native
Perennial grass  2004 Laura Ann Eliassen
 2009 Julie Kierstead Nelson
 2020 Julie A. Kierstead
|
|
Parvisedum pumilum Sierra mock stonecrop
native
Annual herb  2012 Barry Rice
 2007 Carol W. Witham
 2005 Steve Matson
|
|
Paspalum distichum Knot grass, Knotgrass
native
Perennial grass  2011 Zoya Akulova
 2016 Neal Kramer
 2017 Ron Vanderhoff
|
|
Pectocarya pusilla Little combseed, Little pectocarya
native
Annual herb  2008 Jorg Fleige
 2008 Keir Morse
 2020 Matt Berger
|
|
Pellaea mucronata Bird's foot fern, Birdfoot cliffbrake, Birdfoot fern
native
Fern  2012 Ron Vanderhoff
 2009 Thomas Stoughton
 2017 Keir Morse
|
|
Pentagramma triangularis Gold back fern, Goldenback fern
native
Fern  2005 George W. Hartwell
 2018 Miao Ling He
 2018 Cynthia Powell
|
|
Petrorhagia prolifera Childing pink, Pink grass
non-native
Annual herb  2006 Luigi Rignanese
 2013 James Gonsman
 2006 Luigi Rignanese
|
|
Phacelia cicutaria Caterpillar phacelia
native
Annual herb  2019 Chico Hiking Association
 2016 Julie Watson
 2019 Ron Vanderhoff
|
|
Phacelia imbricata Imbricate phacelia
native
Perennial herb  2020 Diane Etchison
 2020 Diane Etchison
 2020 Diane Etchison
|
|
Pinus sabiniana Bull pine, California foothill pine, Gray pine
native
Tree  2011 Jean Pawek
 2019 Cynthia Powell
 2013 Susan McDougall
|
|
Plagiobothrys tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower
native
Annual herb  2008 Keir Morse
 2014 Jean Pawek
 2008 Steve Matson
|
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2007 Carol W. Witham
 2008 Margo Bors
 2008 Neal Kramer
|
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb  2018 Karen Scheuermann
 2019 Matt Berger
 2019 Diane Etchison
|
|
Plectritis ciliosa Long spurred plectritis, Longspur seablush
native
Annual herb  2021 David Wolfson
 2009 Ron Vanderhoff
 2016 Bill Thiessen
|
|
Poa pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
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
|
|
Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint
native
Annual herb  2011 Steven Perry
 2013 Gary McDonald
 2013 Gary McDonald
|
|
Polygonum californicum California knotweed
native
Annual herb  2015 John Doyen
 2004 Steve Matson
 2015 John Doyen
|
|
Polygonum persicaria Spotted ladysthumb
non-native
Annual herb  2008 Keir Morse
 2017 Bob Stahmer
 2008 Louis-M. Landry
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2007 Neal Kramer
 2006 Steve Matson
 2006 Luigi Rignanese
|
|
Potamogeton foliosus Leafy pondweed
native
Perennial herb (aquatic)  2016 Robert L. Carr
 2016 Robert L. Carr
 2007 Neal Kramer
|
|
Pseudobahia heermannii Foothill sunburst, Heermann's golden sunburst
native
Annual herb  2019 Jacob Smith
 2019 Jacob Smith
 2019 Jacob Smith
|
|
Psilocarphus brevissimus var. brevissimus Short woollyheads, Woolly heads, Woolly marbles
native
Annual herb  2003 Vince Scheidt
 2009 Keir Morse
 2004 Carol W. Witham
|
|
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 wislizeni var. wislizeni Interior live oak
native
Tree, Shrub  2009 Neal Kramer
 2013 Susan McDougall
 2013 Susan McDougall
|
|
Ranunculus californicus California buttercup
native
Perennial herb  2019 Diane Etchison
 2020 Mitchell Coleman
 2019 Diane Etchison
|
|
Ranunculus occidentalis Western buttercup
native
Perennial herb  2008 Steve Matson
 2015 Debra L. Cook
 2020 Ron Vanderhoff
|
|
Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry
native
Shrub  2020 Ron Vanderhoff
 2020 Diane Etchison
 2020 Rebecca Schoenenberger
|
|
Rhamnus tomentella ssp. tomentella Hoary coffeeberry
native
Shrub  2020 R.A. Chasey
 2016 Ron Vanderhoff
 2019 Adam Chasey
|
|
Ribes malvaceum Chaparral currant
native
Shrub  2020 Bryant Baker
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Rigiopappus leptocladus Rigiopappus, Wire weed, Wireweed
native
Annual herb  2008 Keir Morse
 2011 Neal Kramer
 2005 Keir Morse
|
|
Rubus discolor Elmleaf blackberry
non-native
Vine, Shrub  2005 Luigi Rignanese
 2020 Jennifer Mo
 2019 Jennifer Mo
|
|
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 Tim Lewis
|
|
Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort
non-native
Annual herb  2011 Barry Breckling
 2010 Jennifer Buck
 2012 Robert Steers/NPS
|
|
Sagittaria latifolia Broad leaf arrowhead, Broadleaf arrowhead, Wappato
native
Perennial herb (aquatic)  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2005 Lisa Powers
|
|
Salix laevigata Polished willow, Red willow
native
Tree  2019 Barbara Brydolf
 2020 Diane Etchison
 2002 John Bair
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2008 Keir Morse
 2012 Zoya Akulova
 2016 Zoya Akulova
|
|
Salix melanopsis Dusky willow
native
Tree, Shrub  2008 Keir Morse
 2018 David popp
 2015 Barry Breckling
|
|
Sambucus mexicana Blue elderberry
native
Shrub  2019 Bryant Baker
 2018 Julie Kierstead Nelson
 2019 Michael Morrison
|
|
Sanicula bipinnatifida Purple sanicle, Snakeroot
native
Perennial herb  2019 Diane Etchison
 2018 Gary McDonald
 2020 Susan McDougall
|
|
Sanicula tuberosa Tuberous sanicle, Turkey pea
native
Perennial herb  2019 Ron Vanderhoff
 2015 Aaron Schusteff
 2019 Chico Hiking Association
|
|
Saxifraga sp.
|
|
Scirpus americanus Chairmaker's bulrush
native
Perennial grasslike herb  2010 Louis-M. Landry
 2010 Neal Kramer
 2013 Neal Kramer
|
|
Scleranthus annuus ssp. annuus German knotgrass, Knawel, Scleranthus
non-native
Annual herb  2008 Steve Matson
 2014 John Doyen
 2005 Steve Matson
|
|
Scribneria bolanderi Scribner's grass, Scribneria
native
Annual grass  2013 Scot Loring
 2011 Tim Thomas
 2011 Tim Thomas
|
|
Scrophularia californica California bee plant, California figwort
native
Perennial herb  2020 Bob Sweatt
 2019 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Selaginella hansenii Hansen's spike moss, Hansen's spikemoss
native
Fern (mosslike)  2006 John Game
 2017 John Game
 2020 Matt Berger
|
|
Senecio clevelandii var. heterophyllus Red hills ragwort
 2012 Lynn Robertson
 2012 Jean Pawek
 2018 Paul Aigner
|
|
Sidalcea calycosa Annual checkerbloom, Checker mallow, Pt. reyes sidalcea
native
Annual herb  2009 Neal Kramer
 Corsi
© 2016 California Academy of Sciences
 2009 Ron Wolf
|
|
Sidalcea hartwegii Hartweg sidalcea, Hartweg's checkerbloom, Valley checkerbloom
native
Annual herb  2005 Christopher L. Christie
 2019 Chico Hiking Association
 2019 Chico Hiking Association
|
|
Sidalcea malviflora ssp. asprella Harsh checkerbloom, sierra foothills checkerbloom
native
Perennial herb  2007 Dr. Mark S. Brunell
 2007 Dr. Mark S. Brunell
 2015 Barry Breckling
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2019 Mary Wloch
 2019 Gary McDonald
 2019 Mary Wloch
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
|
|
Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade
native
Perennial herb, Shrub  2020 David Greenberger
 2020 Ron Vanderhoff
 2020 David Greenberger
|
|
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
|
|
Sorghum halepense Johnsongrass
• invasive non-native
Perennial grass  2006 Luigi Rignanese
 2019 Jennifer Mo
 2009 Zoya Akulova
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2008 Keir Morse
 2014 Dee Warenycia
 2009 Thomas Stoughton
|
|
Stachys stricta Sonoma hedge nettle, Sonoma hedgenettle
native
Perennial herb  2012 george jackson
 2012 george jackson
 2018 Chico Hiking Association
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb  2020 Ken Hickman
 2020 Ken Hickman
 2017 David popp
|
|
Stephanomeria virgata Rod wirelettuce, Tall stephanomeria, Twiggy wreath plant
native
Annual herb  2018 Ron Vanderhoff
 2019 Steven M Norris
 2010 Steven Thorsted
|
|
Streptanthus polygaloides Milkwort jewelflower
native
Annual herb  2019 Belinda Lo
 2013 Ron Wolf
 2019 Alison Sheehey
|
|
Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod
native
Annual herb  2008 Keir Morse
 2019 Jay Chamberlain
 2001 Jeff Abbas
|
|
Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2008 Gary McDonald
 2019 Randy Huey
 2008 Zoya Akulova
|
|
Trifolium campestre Field clover, Low hop clover
non-native
Annual herb  2007 Neal Kramer
 2013 Zoya Akulova
 2014 Monty Rickard
|
|
Trifolium ciliolatum Foothill clover, Tree clover
native
Annual herb  2020 Diane Etchison
 2019 Rachelle Gray
 2019 Ron Vanderhoff
|
|
Trifolium depauperatum Cowbag clover, Dwarf sack clover, Pale sack clover
native
Annual herb  2004 Carol W. Witham
 2008 Neal Kramer
 2012 Aaron Arthur
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2008 Neal Kramer
 2018 Zoya Akulova
|
|
Trifolium microdon Thimble clover, Valparaiso clover
native
Annual herb  2008 Neal Kramer
 2018 Hayley Ross
 2013 Zoya Akulova
|
|
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  2018 Stacie Wolny
 2019 Ron Vanderhoff
 2018 Stacie Wolny
|
|
Triphysaria eriantha Butter 'n' eggs, Johnny tuck, Johnnytuck
native
Annual herb  2020 Roy Johnson
 2017 Dee Warenycia
 2004 Dr. Mark S. Brunell
|
|
Triphysaria pusilla Dwarf owl's clover, Little owl's clover
native
Annual herb  2007 Aaron Schusteff
 2008 Keir Morse
 2012 Neal Kramer
|
|
Triteleia bridgesii Bridges' brodiaea
native
Perennial herb  2018 Adam Chasey
 2019 Julie Kierstead Nelson
 2017 Julie Kierstead Nelson
|
|
Triteleia hyacinthina White brodiaea, Wild hyacinth
native
Perennial herb  2016 Jim Moore
 2021 Alaine Arslan
 2018 Glenn Fine
|
|
Triteleia laxa Ithuriel's spear
native
Perennial herb  2018 Gary McDonald
 2020 Mary Sue Ittner
 2018 Tim Lewis
|
|
Typha angustifolia Nail rod, Narrow leaf cattail, Narrowleaf cattail
non-native
Perennial herb (aquatic)  2018 Cynthia Powell
 2005 Louis-M. Landry
 2019 Ron Vanderhoff
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic)  2007 Neal Kramer
 2004 Steve Matson
 2015 Keir Morse
|
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb  2019 Zack Abbey
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Velezia rigida Velezia
non-native
Annual herb  2009 Barry Breckling
 2012 Neal Kramer
 2012 Steven Perry
|
|
Verbascum blattaria Moth mullein
non-native
Perennial herb  2019 Patrick Furtado
 2014 Garth Wadsworth
 2019 Alison Sheehey
|
|
Verbena californica California vervain, Red hills vervain
 2019 David Greenberger
 2012 Lynn Robertson
 2012 Lynn Robertson
|
|
Verbena officinalis Herb of the cross
non-native
Perennial herb  2017 Ron Vanderhoff
 2017 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Veronica americana American brooklime, American speedwell, Brooklime
native
Perennial herb  2020 Bob Sweatt
 2014 Jim Moore
 2020 Bob Sweatt
|
|
Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb  2005 Chris Wagner, SBNF
 2020 Ron Vanderhoff
 2019 Diane Etchison
|
|
Vicia sativa Spring vetch
non-native
Annual herb, Vine  2007 Luigi Rignanese
 J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences
 2019 Cynthia Powell
|
|
Vulpia bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Vulpia microstachys var. ciliata Small fescue
native
Annual grass  2008 Keir Morse
 2002 Dean Wm. Taylor
 2011 Steve Matson
|
|
Vulpia microstachys var. confusa Small fescue
native
Annual grass 2008 Keir Morse
2002 Dean Wm. Taylor
2011 Steve Matson
|
|
Vulpia microstachys var. microstachys Small fescue
native
Annual grass 2008 Keir Morse
2002 Dean Wm. Taylor
2011 Steve Matson
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|
Vulpia microstachys var. pauciflora Small fescue
native
Annual grass 2008 Keir Morse
2002 Dean Wm. Taylor
2011 Steve Matson
|
|
Vulpia myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2013 Al Keuter
 2013 Al Keuter
|
|
Vulpia myuros var. hirsuta Rattail sixweeks grass
• invasive non-native
Annual grass 2015 Gary McDonald
2013 Al Keuter
2013 Al Keuter
|
|
Xanthium strumarium Rough cockleburr
native
Annual herb  2019 Ron Vanderhoff
 2018 Ron Vanderhoff
 2017 B.J. Dion
|
|
Zannichellia palustris Horned pondweed
native
Perennial herb  2010 Neal Kramer
 2020 Ron Vanderhoff
 2010 Neal Kramer
|
|
Zigadenus fremontii Fremont's star lily, Fremont's death camas
native
Perennial herb  2020 Mary Sue Ittner
 2020 Suzanne L. Weakley
 2020 Bryant Baker
|
native
