Cerro San Luis Cerro San Luis (San Luis Mountain) San Luis Obispo County, California San Luis Obispo County |
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David Keil / CNPS-SLO (2019-06-09) |
197 PLANTS |
Acacia melanoxylon Blackwood acacia
invasive non-native
Tree ![]() 2008 Neal Kramer
![]() 2019 Julian Geoghegan
![]() 2009 Neal Kramer
|
Achillea millefolium Common yarrow
native
Perennial herb ![]() 2020 Bob Sweatt
![]() 2014 James Gonsman
![]() 2018 Gary McDonald
|
Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2019 Matt Berger
![]() 2017 David Wolfson
|
Acmispon glaber var. glaber Deerweed
native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2016 Susan McDougall
![]() 2020 Ron Vanderhoff
|
Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb ![]() 2008 Keir Morse
![]() 2008 Keir Morse
![]() 2019 Mary Conway
|
Acmispon strigosus Strigose lotus
native
Annual herb ![]() 2019 Gary McDonald
![]() 2019 Diane Etchison
![]() 2019 Gary McDonald
|
Acmispon wrangelianus Chilean trefoil
native
Annual herb ![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
|
Acourtia microcephala Sacapellote
native
Perennial herb ![]() 2013 Keir Morse
![]() 2014 Diane Etchison
![]() 2013 Keir Morse
|
Adiantum jordanii Adiantum
native
Fern ![]() 2005 George W. Hartwell
![]() 2019 Ron Vanderhoff
![]() 2006 Steve Matson
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb ![]() 2007 Gerald Carr
![]() 2007 Gerald Carr
![]() 2007 Gerald Carr
|
Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass ![]() 2012 Vernon Smith
![]() 2009 Robert Steers
![]() 2008 Keir Morse
|
Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb ![]() 2019 David Greenberger
![]() 2018 Joshua Borkowski
![]() 2019 David Greenberger
|
Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub ![]() 2019 Aaron Echols
![]() 2018 James Gonsman
![]() 2020 Ron Vanderhoff
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb ![]() 2018 Stacie Wolny
![]() 2017 Alison Sheehey
![]() 2016 Glen Schneider
|
Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb ![]() 2010 Gary A. Monroe
![]() 2010 Gary A. Monroe
![]() 2012 Larry Blakely
|
Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch
![]() 2012 Steve Matson
![]() 2014 Chris Winchellll
![]() 2014 Chris Winchell
|
Atriplex lentiformis Big saltbush
native
Shrub ![]() 2019 Diane Etchison
![]() 2020 R.A. Chasey
![]() 2017 Ron Vanderhoff
|
Avena barbata Slender oat, Slim oat
invasive non-native
Annual grass ![]() 2004 Carol W. Witham
![]() 2009 Keir Morse
![]() 2002 James B. Gratiot
|
Avena fatua Wild oat, Wildoat
invasive non-native
Annual grass ![]() 2008 Keir Morse
![]() 2002 James B. Gratiot
![]() 2008 Zoya Akulova
|
Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb ![]() 2014 Susan McDougall
![]() 2013 Debra L. Cook
![]() 2014 Susan McDougall
|
Bidens pilosa Hairy beggarticks
non-native
Annual herb ![]() 2015 Richard Spellenberg
![]() 2018 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
|
Blepharizonia laxa Glandular big tarweed
native
Annual herb ![]() 2019 Jacob Smith
![]() 2005 Keir Morse
![]() 2014 Bill Thiessen
|
Blitum californicum
|
Brachypodium hybridum
|
Brassica nigra Black mustard
invasive non-native
Annual herb ![]() 2011 Jorg & Mimi Fleige
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
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 rubens Red brome
invasive non-native
Annual grass ![]() 2015 Chris Jaster
![]() 2015 jamie smith
![]() 2018 Gary McDonald
|
Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
![]() 2020 David Wolfson
![]() 2011 Chris Winchell
![]() 2019 Marisa Persaud
|
Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine ![]() 2013 Zoya Akulova
![]() 2014 Wynn Anderson
![]() 2020 James Gonsman
|
Cardamine californica Bitter cress, California toothwort
native
Perennial herb ![]() 2019 Ron Vanderhoff
![]() 2018 Lynn Sweet
![]() 2019 Ron Vanderhoff
|
Carduus pycnocephalus Italian thistle
invasive non-native
Annual herb ![]() 2019 Gary McDonald
![]() 2008 Zoya Akulova
![]() 2006 Chris Wagner, SBNF
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
invasive non-native
Perennial herb ![]() 2008 Neal Kramer
![]() 2017 Lisa Miller
![]() 2012 Jon Hall
|
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
|
Cenchrus setaceus
|
Centaurea calcitrapa Purple star thistle, Red star thistle
invasive non-native
Annual, Perennial herb ![]() 2005 Luigi Rignanese
![]() 2019 MCOSD EDRR
![]() 2019 Danielle Carney
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
invasive non-native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2012 Gary McDonald
![]() 2019 Arlee Montalvo
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb ![]() 2015 Sharon King & Randy Aeschliman
![]() 2003 George Jackson
![]() 2018 Karen Scheuermann
|
Chondrilla juncea Hogbite, Skeleton weed
invasive non-native
Perennial herb ![]() 2019 Aaron Echols
![]() 2017 Amanda Weiss
![]() 2015 John L. Thompson
|
Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb ![]() 2007 Neal Kramer
![]() 2014 Margo Bors
![]() 2018 Brian Charles
|
Cirsium vulgare Bull thistle
invasive non-native
Perennial herb ![]() 2005 Christopher L. Christie
![]() 2019 Gustavo Vasquez
![]() 2019 Ron Vanderhoff
|
Clarkia bottae Lewis' clarkia, Lewis's clarkia
![]() 2011 Katie Swanson
![]() 2016 Dean Wm. Taylor
![]() 2020 Mary Conway
|
Clarkia epilobioides Canyon clarkia, Willow herb clarkia
native
Annual herb ![]() 2019 David Greenberger
![]() 2017 Steve Matson
![]() 2017 Steve Matson
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb ![]() 2018 Ken Lunders
![]() 2019 Chico Hiking Association
![]() 2019 Gary McDonald
|
Collinsia heterophylla Purple chinese houses
native
Annual herb ![]() 2019 Jacob Smith
![]() 2019 David Greenberger
![]() 2019 Jacob Smith
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2019 Bonnie Nickel
![]() 2019 stephen rosenthal
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
invasive non-native
Shrub ![]() 2018 Sara Witt
![]() 2018 MCOSD EDRR
![]() 2006 Peter Zika
|
Croton setiger Turkey-mullein
native
Annual herb ![]() 2018 Rachelle Gray
![]() 2019 Robin Street-Morris
![]() 2014 Richard Chasey
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb ![]() 2016 Joan Hampton
![]() 2017 Gary McDonald
![]() 2012 Neal Kramer
|
Dactylis glomerata Orchard grass, Orchardgrass
invasive non-native
Perennial grass ![]() 2005 Louis-M. Landry
![]() 2003 Steve Matson
![]() 2018 Kyndal Olin
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb ![]() 2019 Diane Etchison
![]() 2014 Gary McDonald
![]() 2014 Gary McDonald
|
Deinandra fasciculata Clustered tarweed
native
Annual herb ![]() 2013 Keir Morse
![]() 2003 Michael Charters
![]() 2017 Steve Matson
|
Delairea odorata Cape ivy
invasive non-native
Perennial herb ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Diplacus aurantiacus var. aurantiacus Sticky monkeyflower
native
Shrub ![]() 2019 Gary McDonald
![]() 2019 Stacie Wolny
![]() 2020 Ron Vanderhoff
|
Dipsacus sativus Fuller's teasel, Indian teasel
invasive non-native
Biennial herb ![]() 2019 Thomas Reyes
![]() 2018 Angelique Herman
![]() 2009 Barry Breckling
|
native
![]() 2008 Steve Matson
![]() 2016 Steve Matson
![]() 2008 Steve Matson
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2005 Steve Matson
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb ![]() 2014 Neal Kramer
![]() 2009 Barry Breckling
![]() 2009 Keir Morse
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern ![]() 2019 Ron Vanderhoff
![]() 2004 Brent Miller
![]() 2019 Rebecca Crowe
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
![]() 2012 Terrence Gosliner
![]() 2019 David Greenberger
![]() 2011 Chris Winchell
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb ![]() 2004 Carol W. Witham
![]() 2001 John Game
![]() 2003 Steve Matson
|
Elymus condensatus Giant wild rye
native
Perennial grass ![]() 2011 Neal Kramer
![]() 2010 Michael O'Brien
![]() 2006 Adonis (Don) Tate
|
Elymus triticoides Beardless wild rye
native
Perennial grass ![]() 2018 Rachelle Gray
![]() 2018 Rachelle Gray
![]() 2018 Ron Vanderhoff
|
Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells
native
Annual herb ![]() 2018 Ron Vanderhoff
![]() 2015 Barry Thomson
![]() 2014 Ruth Ann Pearsons
|
Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
![]() 2007 Neal Kramer
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb ![]() 2017 Gary McDonald
![]() 2019 Ron Vanderhoff
![]() 2019 Gary McDonald
|
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 ![]() 2017 Gary McDonald
![]() 2020 Ken Lunders
![]() 2018 Matthew Chaney
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub ![]() 2011 Dean Wm. Taylor, Ph.D.
![]() 2007 Neal Kramer
![]() 2014 Steve Matson
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb ![]() 2017 Ron Vanderhoff
![]() 2019 Aaron Echols
![]() 2009 Keir Morse
|
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 Mary Conway
![]() 2020 Ron Vanderhoff
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb ![]() 2014 Bryan Derr
![]() 2012 Neal Kramer
![]() 2014 Keir Morse
|
Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
invasive non-native
Annual herb ![]() 2018 James Bailey
![]() 2018 John Doyen
![]() 2016 John Doyen
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
invasive non-native
Annual herb ![]() 2016 Keir Morse
![]() 2020 Julia Markey
![]() 2019 Diane Etchison
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
invasive non-native
Annual herb ![]() 2012 Neal Kramer
![]() 2018 Ron Vanderhoff
![]() 2007 Luigi Rignanese
|
Eschscholzia californica California poppy
native
Annual, Perennial herb ![]() 2021 Ron Vanderhoff
![]() 2020 Amy Rapport
![]() 2009 Barry Rice
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
invasive non-native
Tree ![]() 2013 Zoya Akulova
![]() 2008 Neal Kramer
![]() 2017 Zoya Akulova
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb ![]() 2008 Keir Morse
![]() 2008 Keir Morse
![]() 2019 Ron Vanderhoff
|
Festuca bromoides Brome fescue
non-native
Annual grass ![]() 2008 Keir Morse
![]() 2012 Aaron Arthur
![]() 2012 Robert Steers/NPS
|
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
|
Gamochaeta ustulata Featherweed
native
Perennial herb ![]() 2019 Gary McDonald
![]() 2021 Zoya Akulova-Barlow
![]() 2019 Gary McDonald
|
Gastridium phleoides Nit grass
non-native
Annual grass ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2017 Gary McDonald
|
Genista monspessulana French broom
invasive non-native
Shrub ![]() 2019 Ron Vanderhoff
![]() 2015 Barry Breckling
![]() 2019 Ron Vanderhoff
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
invasive non-native
Annual herb ![]() 2003 Lynn Watson
![]() 2015 Chris Jaster
![]() 2019 Randy Huey
|
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
![]() 2013 Toni Corelli
![]() 2015 Stephen Rosenthal
|
Helminthotheca echioides Bristly ox-tongue
invasive non-native
Annual, Perennial herb ![]() 2016 Hayley Ross
![]() 2019 Rachelle Gray
![]() 2019 Rachelle Gray
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb ![]() 2009 Barry Breckling
![]() 2007 Neal Kramer
![]() 2016 R. Adam Chasey
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub ![]() 2019 Susan McDougall
![]() 2007 Dr. Mark S. Brunell
![]() 2019 Susan McDougall
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub ![]() 2015 James Gonsman
![]() 2017 Gary McDonald
![]() 2017 Gary McDonald
|
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
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub ![]() 2018 Chico Hiking Association
![]() 2020 Camille Nowell
![]() 2019 Bob Sweatt
|
Hordeum marinum subsp gussoneanum
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass ![]() 2015 Richard Chasey
![]() 2009 Keir Morse
![]() 2010 Neal Kramer
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb ![]() 2004 James M. Andre
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb ![]() 2008 Neal Kramer
![]() 2014 Mike Wood
![]() 2007 Neal Kramer
|
Juncus phaeocephalus var. paniculatus Brown headed rush, Brownhead rush, Spreading brown headed rush
native
Perennial grasslike herb ![]() 2009 Keir Morse
![]() 2010 Aaron Arthur
![]() 2009 Keir Morse
|
Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue
native
Shrub ![]() 2010 Thomas Stoughton
![]() 2013 Susan McDougall
![]() 2010 Neal Kramer
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass ![]() 2003 Bart and Susan Eisenberg
![]() 2011 RT Hawke
![]() 2020 Julie A. Kierstead
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb ![]() 2019 David popp
![]() 2012 Vernon Smith
![]() 2008 Jorg Fleige
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
invasive non-native
Annual herb ![]() 2017 Gary McDonald
![]() 2020 Mark Kircher
![]() 2009 Neal Kramer
|
Lamarckia aurea Goldentop grass
non-native
Annual grass ![]() 2006 Luigi Rignanese
![]() 2019 Ron Vanderhoff
![]() 2007 Neal Kramer
|
Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea
non-native
Annual herb ![]() 2013 Jake Ruygt
![]() 2017 danielle noe
![]() 1995 Saint Mary's College of California
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2020 James Gonsman
![]() 2019 Ron Vanderhoff
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb ![]() 2013 Keir Morse
![]() 2013 Keir Morse
![]() 2017 Barbara Boethling
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
![]() 2004 Aaron Schusteff
![]() 2013 John Doyen
![]() 2011 Chris Winchell
|
Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub ![]() 2008 Keir Morse
![]() 2020 Richard Spjut
![]() 2020 Susan McDougall
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb ![]() 2019 Gary McDonald
![]() 2018 Stacie Wolny
![]() 2019 Ron Vanderhoff
|
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 ![]() 2017 Toni Corelli
![]() 2009 Jorg Fleige
![]() 2016 Andrew Longman
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb ![]() 2013 Ron Vanderhoff
![]() 2008 Keir Morse
![]() 2011 Neal Kramer
|
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
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass ![]() 2009 Keir Morse
![]() 2014 Steve Matson
![]() 2019 Ron Vanderhoff
|
Micranthes californica Greene's saxifrage
native
Perennial herb ![]() 2002 Bart and Susan Eisenberg
![]() 2010 Robert Steers/NPS
![]() 2009 Ron Vanderhoff
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb ![]() 2011 Zoya Akulova
![]() 2004 Carol W. Witham
![]() 2004 Carol W. Witham
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent) ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2007 Neal Kramer
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass ![]() 2018 Ron Vanderhoff
![]() 2006 Steven Thorsted
![]() 2009 Barry Rice
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern ![]() 2019 Ron Vanderhoff
![]() 2008 Keir Morse
![]() 2014 James Gonsman
|
Persicaria punctata Dotted smartweed
native
Perennial herb ![]() 2014 Neal Kramer
![]() 2018 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
|
Phacelia imbricata ssp. imbricata Imbricate phacelia
native
Perennial herb ![]() 2014 James Gonsman
![]() 2020 Rebecca Schoenenberger
![]() 2008 Neal Kramer
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass ![]() 2004 Carol W. Witham
![]() 2007 Luigi Rignanese
![]() 2007 Luigi Rignanese
|
Phoenix canariensis Canary island date palm
invasive non-native
Tree ![]() 2016 Zoya Akulova
![]() 2005 Luigi Rignanese
![]() 2017 B.J. Dion
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb ![]() 2014 James Gonsman
![]() 2014 Keir Morse
![]() 2019 Jennifer Mo
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2019 Diane Etchison
![]() 2019 Ron Vanderhoff
|
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
![]() 2019 Joe Engelbrecht
![]() 2016 John Doyen
|
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 ![]() 2018 Karen Scheuermann
![]() 2019 Matt Berger
![]() 2019 Diane Etchison
|
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
![]() 2015 Keir Morse
![]() 2013 Neal Kramer
|
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 dulcis Domestic almond, Sweet almond
non-native
Tree ![]() 2009 Neal Kramer
![]() 2018 Dr. Mark S. Brunell
![]() 2009 Neal Kramer
|
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 ![]() 2019 Gary McDonald
![]() 2008 Keir Morse
![]() 2019 Stacie Wolny
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb ![]() 2008 Gary McDonald
![]() 2008 Jorg Fleige
![]() 2016 Richard Spellenberg
|
Pseudognaphalium microcephalum Wright's cudweed
native
Perennial herb ![]() 2018 Diane Etchison
![]() 2014 Neal Kramer
![]() 2020 Janith Johnson
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb ![]() 2020 Ryan Carle
![]() 2017 Diane Etchison
![]() 2011 Toni Corelli
|
Pyracantha koidzumii Taiwan firethorn
non-native
Shrub ![]() 2018 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
|
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 ![]() 2021 Ron Vanderhoff
![]() 2004 Christopher L. Christie
![]() 2021 Patrick Furtado
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub ![]() 2009 Genevieve K. Walden
![]() 2009 Barry Breckling
![]() 2012 Aaron Arthur
|
Rubus armeniacus Himalayan blackberry
invasive non-native
Shrub ![]() 2002 George W. Hartwell
![]() 2008 Keir Morse
![]() 2018 Richard Spjut
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub ![]() 2008 Keir Morse
![]() 2008 Keir Morse
![]() 2007 Neal Kramer
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb ![]() 2013 Robert Steers/NPS
![]() 2010 Phil Pullen
![]() 2008 Keir Morse
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
invasive non-native
Perennial herb ![]() 2018 Tim Lewis
![]() 2019 Diane Etchison
![]() 2018 b potts
|
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 leucophylla San luis purple sage
native
Shrub ![]() 2015 Steven M Norris
![]() 2016 John Doyen
![]() 2019 Janith Johnson
|
Salvia spathacea Hummingbird sage
native
Perennial herb ![]() 2020 David Wolfson
![]() 2020 Abby Nichols
![]() 2020 Ron Vanderhoff
|
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 ![]() 2021 Cynthia Powell
![]() 2020 R.A. Chasey
![]() 2020 Ryan Carle
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
invasive non-native
Tree ![]() 2009 Neal Kramer
![]() 2000 Joe DiTomaso
![]() 2017 William McCarey
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb ![]() 2020 Bob Sweatt
![]() 2019 Ron Vanderhoff
![]() 2019 Cynthia Powell
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
Fern (mosslike) ![]() 2006 Steve Matson
![]() 2013 Susan McDougall
![]() 2015 Steven M Norris
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb ![]() 2013 Debra L. Cook
![]() 2002 Lynn Watson
![]() 2014 Diane Etchison
|
Silybum marianum Blessed milkthistle, Milk thistle
invasive non-native
Annual, Perennial herb ![]() 2020 Nancy Hamlett
![]() 2009 Barry Rice
![]() 2019 Marisa Persaud
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb ![]() 2020 Mary Conway
![]() 2020 Benjamin Gould
![]() 2019 Stacie Wolny
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb ![]() 2003 Michael Charters
![]() 2018 Debra L. Cook
![]() 2017 Zoya Akulova
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2020 Ryan Carle
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
invasive non-native
Annual herb ![]() 2013 Debra L. Cook
![]() 2015 Robert Sikora
![]() 2019 Dean Taylor
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb ![]() 2019 Diane Etchison
![]() 2015 Jesse Rorabaugh
![]() 2008 Gary McDonald
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb ![]() 2008 Keir Morse
![]() 2014 Dee Warenycia
![]() 2009 Thomas Stoughton
|
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
![]() 2018 Gary McDonald
![]() 2015 Diane Etchison
|
Stephanomeria sp.
|
Stipa lepida Foothill needle grass
native
Perennial grass ![]() 2016 Andrew Longman
![]() 2017 Gary McDonald
![]() 2016 Andrew Longman
|
Stipa pulchra Purple needle grass
native
Perennial grass ![]() 2019 Michelle Karle
![]() 2008 Zoya Akulova
![]() 2019 Ron Vanderhoff
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb ![]() 2008 Keir Morse
![]() 2005 Aaron Schusteff
![]() 2008 Keir Morse
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub ![]() 2019 Ron Vanderhoff
![]() 2020 Cara Wilcox
![]() 2019 Ron Vanderhoff
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
invasive non-native
Perennial herb ![]() 2001 Nick Kurzenko
![]() 2018 Chico Hiking Association
![]() 2019 Diane Etchison
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley
invasive non-native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2018 Gary McDonald
![]() 2008 Keir Morse
|
Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub ![]() 2008 Gary McDonald
![]() 2019 Randy Huey
![]() 2008 Zoya Akulova
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2014 Robert Sikora
|
Trifolium hirtum Rose clover
invasive non-native
Annual herb ![]() 2004 Carol W. Witham
![]() 2008 Keir Morse
![]() 2013 Zoya Akulova
|
Triphysaria eriantha ssp. rosea Johnny tuck, Pink butter 'n' eggs
native
Annual herb ![]() 2017 Gary Morgret
![]() 2005 Brent Miller
![]() 2020 Mary Sue Ittner
|
Turritis glabra Tower rockcress
native
Perennial herb ![]() 2009 Thomas Stoughton
![]() 2015 Barry Breckling
![]() 2013 James Gonsman
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb ![]() 2018 Neal Kramer
![]() 2013 Neal Kramer
![]() 2013 Susan McDougall
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree ![]() 2015 Diane Etchison
![]() 2003 Michael Charters
![]() 2018 David popp
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb ![]() 2017 Ron Vanderhoff
![]() 2019 Bonnie Nickel
![]() 2013 Neal Kramer
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb ![]() 2018 Gary McDonald
![]() 2019 Mary Conway
![]() 2018 Mary Conway
|
Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine ![]() 2010 Neal Kramer
![]() 2007 Neal Kramer
![]() 2005 Luigi Rignanese
|
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
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb ![]() 2018 James Gonsman
![]() 2014 James Gonsman
![]() 2019 Ken Hickman
|