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 ![]() 2022 Julian Geoghegan
![]() 2019 Julian Geoghegan
![]() 2019 Devon Jackson
|
Achillea millefolium Common yarrow
native
Perennial herb ![]() 2022 Andy Ford
![]() 2014 James Gonsman
![]() 2023 Ron Vanderhoff
|
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
![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Acmispon strigosus Strigose lotus
native
Annual herb ![]() 2019 Gary McDonald
![]() 2019 Diane Etchison
![]() 2019 Gary McDonald
|
Acmispon wrangelianus Chilean trefoil
native
Annual herb ![]() 2021 Jamie Spielmann
![]() 2018 Gary McDonald
![]() 2022 Richard Sullivan
|
Acourtia microcephala Sacapellote
native
Perennial herb ![]() 2022 Diane Etchison
![]() 2019 Ron Vanderhoff
![]() 2014 Diane Etchison
|
Adiantum jordanii Adiantum, maiden hair fern
native
Fern ![]() 2022 BOB CASE
![]() 2019 Ron Vanderhoff
![]() 2019 Susan McDougall
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb ![]() 2007 Gerald Carr
![]() 2007 Gerald Carr
![]() 2021 Emily Sluiman
|
Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass ![]() 2021 John Rawlings
![]() 2008 Keir Morse
![]() 2021 John Rawlings
|
Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2019 David Greenberger
![]() 2019 Ron Vanderhoff
|
Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub ![]() 2018 James Gonsman
![]() 2022 Julia Markey
![]() 2020 Ron Vanderhoff
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb ![]() 2013 Brent Morgan
![]() 2022 Ron Vanderhoff
![]() 2021 Mike Russler
|
Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb ![]() 2021 Joel A. Germond, Psy.D.
![]() 2020 David Greenberger
![]() 2020 David Greenberger
|
Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch
rare native
Annual herb ![]() 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 ![]() 2018 Julian Geoghegan
![]() 2023 David popp
![]() 2019 Ron Vanderhoff
|
Avena fatua Wild oat, Wildoat
invasive non-native
Annual grass ![]() 2018 Gary McDonald
![]() 2023 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
|
Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb ![]() 2015 James Gonsman
![]() 2019 Diane Etchison
![]() 2020 Diane Etchison
|
Bidens pilosa Hairy beggarticks
non-native
Annual herb ![]() 2021 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
![]() 2020 David Wolfson
|
Blepharizonia laxa Glandular big tarweed
native
Annual herb ![]() 2019 Jacob Smith
![]() 2021 Mike Russler
![]() 2021 Mike Russler
|
Blitum californicum Small Tree-Mallow
|
Brachypodium hybridum Small Tree-Mallow
|
Brassica nigra Black mustard
invasive non-native
Annual herb ![]() 2020 Diane Etchison
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
invasive non-native
Annual grass ![]() 2022 Ron Vanderhoff
![]() 2021 Richard Spjut
![]() 2022 Ron Vanderhoff
|
Bromus hordeaceus Soft brome, Soft chess
invasive non-native
Annual grass ![]() 2023 Ron Vanderhoff
![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
|
Bromus 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
rare native
Perennial herb (bulb) ![]() 2020 David Wolfson
![]() 2019 Marisa Persaud
![]() 2008 Gary A. Monroe
|
Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine ![]() 2017 Michael Mitchell
![]() 2020 James Gonsman
![]() 2017 Michael Mitchell
|
Cardamine californica California toothwort, milkmaids
native
Perennial herb ![]() 2020 Barbara Peck
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Carduus pycnocephalus Italian thistle
invasive non-native
Annual herb ![]() 2019 Gary McDonald
![]() 2008 Zoya Akulova
![]() 2017 Gary McDonald
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
invasive non-native
Perennial herb ![]() 2021 Michelle Karle
![]() 2017 Lisa Miller
![]() 2018 Cynthia Powell
|
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 Small Tree-Mallow
|
Centaurea calcitrapa Purple star thistle, Red star thistle
invasive non-native
Annual, Perennial herb ![]() 2021 R.A. Chasey
![]() 2019 MCOSD EDRR
![]() 2022 R.A. Chasey
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
invasive non-native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2020 Laura Anna Arellano
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb ![]() 2021 Sue Graue
![]() 2015 Sharon King & Randy Aeschliman
![]() 2018 Karen Scheuermann
|
Chondrilla juncea Hogbite, Skeleton weed
invasive non-native
Perennial herb ![]() 2021 George Williams
![]() 2021 Julia Kosowitz
![]() 2021 Bob Sweatt
|
Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb ![]() 2019 Steve Davison
![]() 2018 Brian Charles
![]() 2007 Neal Kramer
|
Cirsium vulgare Bull thistle
invasive non-native
Perennial herb ![]() 2017 James Bailey
![]() 2019 Gustavo Vasquez
![]() 2020 Bob Sweatt
|
Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb ![]() 2021 Amber Bedgood
![]() 2020 Steve Laymon
![]() 2020 Steve Laymon
|
Clarkia epilobioides Canyon clarkia, Willow herb clarkia
native
Annual herb ![]() 2017 Steve Matson
![]() 2019 David Greenberger
![]() 2017 Steve Matson
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb ![]() 2008 Steve Matson
![]() 2008 Steve Matson
![]() 2008 Steve Matson
|
Collinsia heterophylla Purple chinese houses
native
Annual herb ![]() 2022 Mary Ann Machi
![]() 2019 David Greenberger
![]() 2019 Ron Vanderhoff
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb ![]() 2022 Mike Russler
![]() 2018 Ron Vanderhoff
![]() 2021 Mike Russler
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
invasive non-native
Shrub ![]() 2021 David Wolfson
![]() 2019 Cynthia Powell
![]() 2018 MCOSD EDRR
|
Croton setiger Turkey-mullein
native
Annual herb ![]() 2018 Rachelle Gray
![]() 2011 Steve Matson
![]() 2011 Steve Matson
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb ![]() 2016 Joan Hampton
![]() 2021 Ken Lunders
![]() 2014 James Gonsman
|
Dactylis glomerata Orchard grass, Orchardgrass
invasive non-native
Perennial grass ![]() 2018 Jennifer Mo
![]() 2021 R.A. Chasey
![]() 2017 Gary McDonald
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb ![]() 2019 Diane Etchison
![]() 2022 David Wolfson
![]() 2021 Ken Lunders
|
Deinandra fasciculata Clustered tarweed
native
Annual herb ![]() 2022 David Strauch
![]() 2017 Steve Matson
![]() 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 Orange Bush Monkeyflower
native
Shrub ![]() 2023 Bill Kress
![]() 2019 Stacie Wolny
![]() 2019 Gary McDonald
|
Dipsacus sativus Fuller's teasel, Indian teasel
invasive non-native
Annual, Biennial herb ![]() 2019 Danielle Carney
![]() 2022 Jennifer Mo
![]() 2022 David Strauch
|
Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb ![]() 2023 Alaine Arslan
![]() 2016 Steve Matson
![]() 2008 Steve Matson
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass ![]() 2019 Ron Vanderhoff
![]() 2022 Donald Burk
![]() 2020 Matt Berger
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb ![]() 2020 Diane Etchison
![]() 2017 Steve Matson
![]() 2021 Mike Russler
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern ![]() 2018 James Gonsman
![]() 2019 Rebecca Crowe
![]() 2023 Julia Markey
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
rare native
Perennial herb ![]() 2012 Terrence Gosliner
![]() 2019 David Greenberger
![]() 2017 Chris Howington
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb ![]() 2015 Dee Warenycia
![]() 2020 Steven M Norris
![]() 2020 Steven M Norris
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb ![]() 2023 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
![]() 2003 Steve Matson
|
Elymus condensatus Giant wild rye
native
Perennial grass ![]() 2020 Ron Vanderhoff
![]() 2022 John Rawlings
![]() 2020 Diane Etchison
|
Elymus triticoides Beardless wild rye
native
Perennial grass ![]() 2018 Ron Vanderhoff
![]() 2021 Ron Vanderhoff
![]() 2018 Rachelle Gray
|
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
![]() 2018 Ron Vanderhoff
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb ![]() 2017 Gary McDonald
![]() 2019 Gary McDonald
![]() 2019 Ron Vanderhoff
|
Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb ![]() 2021 Donald Burk
![]() 2017 Diane Etchison
![]() 2008 Jorg Fleige
|
Erigeron canadensis Canada horseweed
native
Annual herb ![]() 2017 Gary McDonald
![]() 2017 Gary McDonald
![]() 2022 Mike Russler
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub ![]() 2023 Ron Vanderhoff
![]() 2021 Jacob Martin
![]() 2022 Ron Vanderhoff
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb ![]() 2017 Ron Vanderhoff
![]() 2019 Aaron Echols
![]() 2021 Mike Russler
|
Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub ![]() 2022 Mary Conway
![]() 2020 Ron Vanderhoff
![]() 2021 Ron Vanderhoff
|
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
![]() 2017 Gary McDonald
![]() 2015 Ken Lunders
|
Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
invasive non-native
Annual herb ![]() 2016 Bob van Duinen
![]() 2020 Angelique Herman
![]() 2016 Steve Matson
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
invasive non-native
Annual herb ![]() 2022 Steve Matson
![]() 2020 Julia Markey
![]() 2022 Steve Matson
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
invasive non-native
Annual herb ![]() 2016 Steve Matson
![]() 2016 James Bailey
![]() 2018 Stacie Wolny
|
Eschscholzia californica California poppy
native
Annual, Perennial herb ![]() 2019 Dee Shea Himes
![]() 2021 Ron Vanderhoff
![]() 2019 Amy Rapport
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
invasive non-native
Tree ![]() 2020 Jennifer Mo
![]() 2022 Ryan O'Dell
![]() 2021 Cynthia Powell
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb ![]() 2014 Steve Matson
![]() 2022 Jennifer Mo
![]() 2014 Steve Matson
|
Festuca bromoides Brome fescue
non-native
Annual grass ![]() 2022 Diana Wahl
![]() 2021 Toni Corelli
![]() 2021 David popp
|
Festuca perennis Italian rye grass
invasive non-native
Annual, Perennial grass ![]() 2019 Ron Vanderhoff
![]() 2017 Gary McDonald
![]() 2021 Ron Vanderhoff
|
Foeniculum vulgare Biscuit root, Sweet fennel
invasive non-native
Perennial herb ![]() 2019 Nicole Leatherman
![]() 2019 Ron Vanderhoff
![]() 2018 Henry DiRocco
|
Frangula californica ssp. californica California coffeeberry
native
Shrub ![]() 2015 Steve Matson
![]() 2015 Steve Matson
![]() 2019 Ron Vanderhoff
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2005 Steve Matson
![]() 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
![]() 2021 Paul Aigner
|
Genista monspessulana French broom
invasive non-native
Shrub ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
invasive non-native
Annual herb ![]() 2021 Al Keuter
![]() 2023 Ron Vanderhoff
![]() 2014 Bryan Derr
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub ![]() 2021 Mike Russler
![]() 2021 Mary Conway
![]() 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
![]() 2012 Elizabeth Brusati
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb ![]() 2013 Arcangelo Wessells
![]() 2022 R.A. Chasey
![]() 2022 R.A. Chasey
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub ![]() 2021 Bryant Baker
![]() 2021 R.A. Chasey
![]() 2021 Bryant Baker
|
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 ![]() 2021 Mike Russler
![]() 2021 Mike Russler
![]() 2021 Mike Russler
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
invasive non-native
Perennial herb ![]() 2017 Gary McDonald
![]() 2017 Gary McDonald
![]() 2022 Ron Vanderhoff
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub ![]() 2019 Bob Sweatt
![]() 2020 Camille Nowell
![]() 2023 Doug Zimmerman
|
Hordeum marinum subsp gussoneanum Small Tree-Mallow
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass ![]() 2022 Ron Vanderhoff
![]() 2021 Al Keuter
![]() 2021 Ron Vanderhoff
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb ![]() 2021 John Rawlings
![]() 2023 R.A. Chasey
![]() 2019 Ron Vanderhoff
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb ![]() 2022 R.A. Chasey
![]() 2022 R.A. Chasey
![]() 2008 Neal Kramer
|
Juncus phaeocephalus var. paniculatus Brown headed rush, Brownhead rush, Spreading brown headed rush
native
Perennial grasslike herb ![]() 2019 John Rawlings
![]() 2021 John Rawlings
![]() 2020 Alice Cummings
|
Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue
native
Shrub ![]() 2020 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2020 Diane Etchison
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass ![]() 2020 Matt Berry
![]() 2015 Steve Matson
![]() 2015 Steve Matson
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb ![]() 2021 Don Hollander
![]() 2019 Stacie Wolny
![]() 2021 Don Hollander
|
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 ![]() 2017 B.J. Dion
![]() 2019 Ron Vanderhoff
![]() 2015 James Gonsman
|
Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea
non-native
Annual herb ![]() 2017 danielle noe
![]() 2022 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2022 Charles Russell
![]() 2015 Chris Jaster
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb ![]() 2015 jamie smith
![]() 2013 Keir Morse
![]() 2017 Barbara Boethling
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
rare native
Perennial herb ![]() 2020 David Greenberger
![]() 2011 Chris Winchell
![]() 2021 Patrick Furtado
|
Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub ![]() 2012 Michael Mitchell
![]() 2020 Richard Spjut
![]() 2020 Richard Spjut
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb ![]() 2022 Mike Russler
![]() 2022 Mike Russler
![]() 2019 Gary McDonald
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb ![]() 2017 B.J. Dion
![]() 2019 Barbara Boethling
![]() 2022 Chris McDonald
|
Lythrum hyssopifolia Hyssop loosestrife
invasive non-native
Annual, Perennial herb ![]() 2019 Diane Etchison
![]() 2021 Cynthia Powell
![]() 2020 Ron Vanderhoff
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb ![]() 2013 Ron Vanderhoff
![]() 2021 David Wolfson
![]() 2021 Zoya Akulova-Barlow
|
Marah fabacea California man-root
native
Perennial herb, Vine ![]() 2018 Karen Scheuermann
![]() 2021 Cyril Guyot
![]() 2018 Gary McDonald
|
Marrubium vulgare White horehound
invasive non-native
Perennial herb ![]() ©2013 Gary McDonald
![]() 2015 Diane Etchison
![]() 2018 Nancy Hamlett
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass ![]() 2020 Ron Vanderhoff
![]() 2021 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Micranthes californica Greene's saxifrage
native
Perennial herb ![]() 2020 Cara Wilcox
![]() 2016 Steve Matson
![]() 2016 Steve Matson
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb ![]() 2022 Helen Hancock
![]() 2019 Diane Renshaw
![]() 2022 Helen Hancock
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent) ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass ![]() 2018 Ron Vanderhoff
![]() 2017 Barbara Boethling
![]() 2021 Ron Vanderhoff
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern ![]() 2019 James Gonsman
![]() 2008 Steve Matson
![]() 2008 Steve Matson
|
Persicaria punctata Dotted smartweed
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
![]() 2022 Helen Hancock
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb ![]() 2022 R.A. Chasey
![]() 2022 Robert Steers
![]() 2022 Robert Steers
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass ![]() 2021 David popp
![]() 2021 John Rawlings
![]() 2017 James Bailey
|
Phoenix canariensis Canary island date palm
invasive non-native
Tree ![]() 2020 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2021 James Bailey
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb ![]() 2014 Steve Matson
![]() 2014 Steve Matson
![]() 2021 Ron Vanderhoff
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2013 Jean Pawek
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb ![]() 2021 Charles Russell
![]() 2008 Margo Bors
![]() 2022 Mike Russler
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
invasive non-native
Perennial herb ![]() 2017 Gary McDonald
![]() 2019 Joe Engelbrecht
![]() 2021 Ken Lunders
|
Platanus racemosa California sycamore, Western sycamore
native
Tree ![]() 2021 Ron Vanderhoff
![]() 2019 Rachelle Gray
![]() 2018 Ron Vanderhoff
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb ![]() 2019 Diane Etchison
![]() 2022 John L. Thompson
![]() 2020 Mitchell Coleman
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb ![]() 2022 Mike Russler
![]() 2022 John Doyen
![]() 2023 Ron Vanderhoff
|
Polypodium californicum California polypody
native
Fern ![]() 2020 Ron Vanderhoff
![]() 2021 Ron Vanderhoff
![]() 2022 Suzanne L. Weakley
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
invasive non-native
Annual grass ![]() 2020 Edith Allen
![]() 2021 Ron Vanderhoff
![]() 2014 Steve Matson
|
Populus trichocarpa Black cottonwood
native
Tree ![]() 2021 Ron Vanderhoff
![]() 2012 Steve Matson
![]() 2012 Steve Matson
|
Primula clevelandi Small Tree-Mallow
|
Prunus dulcis Domestic almond, Sweet almond
non-native
Tree ![]() 2012 Wes Gray
![]() 2022 Donald Burk
![]() 2021 David popp
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub ![]() 2018 David Greenberger
![]() 2019 Ron Vanderhoff
![]() 2020 James Gonsman
|
Pseudognaphalium biolettii Two-color rabbit-tobacco
native
Perennial herb ![]() 2019 David Greenberger
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb ![]() 2019 Gary McDonald
![]() 2020 Steven M Norris
![]() 2021 Ron Vanderhoff
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb ![]() 2011 Toni Corelli
![]() 2019 Diane Etchison
![]() 2021 Ron Vanderhoff
|
Pseudognaphalium microcephalum Wright's cudweed
native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2022 David Strauch
![]() 2019 Ron Vanderhoff
|
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 ![]() 2023 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2021 Al Keuter
|
Ranunculus californicus California buttercup
native
Perennial herb ![]() 2019 Diane Etchison
![]() 2019 Diane Etchison
![]() 2020 Mitchell Coleman
|
Rhamnus crocea Redberry buckthorn
native
Shrub ![]() 2011 Michael Mitchell
![]() 2022 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub ![]() 2022 David Chipping
![]() 2021 Ron Vanderhoff
![]() 2012 Ron Vanderhoff
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub ![]() 2020 David Krause
![]() 1973 Geoff Burleigh
![]() 2009 Neal Kramer
|
Rubus armeniacus Himalayan blackberry, black berry
invasive non-native
Shrub ![]() 2014 James Gonsman
![]() 2020 Julie A. Kierstead
![]() 2018 Richard Spjut
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub ![]() 2018 Ken Lunders
![]() 2019 Ron Vanderhoff
![]() 2015 Kelli Kallenborn
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2021 David popp
![]() 2020 Ron Vanderhoff
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
invasive non-native
Perennial herb ![]() 2018 Tim Lewis
![]() 2019 Diane Etchison
![]() 2022 David Strauch
|
Rumex pulcher Fiddle dock
non-native
Perennial herb ![]() 2020 Ryan Carle
![]() 2022 Chris McDonald
![]() 2019 Saul Soto
|
Salix laevigata Polished willow, Red willow
native
Tree ![]() 2017 Steve Matson
![]() 2019 Barbara Brydolf
![]() 2022 Mark Gary
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub ![]() 2017 Susan Kotelnicki
![]() 2022 Ron Vanderhoff
![]() 2020 Steve Matson
|
Salvia leucophylla San luis purple sage
native
Shrub ![]() 2015 Steven M Norris
![]() 2016 John Doyen
![]() 2019 Janith Johnson
|
Salvia mellifera Black sage
native
Shrub ![]() 2017 Steve Matson
![]() 2022 Suzanne L. Weakley
![]() 2019 Diane Etchison
|
Salvia spathacea Hummingbird sage
native
Perennial herb ![]() 2020 David Wolfson
![]() 2020 Abby Nichols
![]() 2020 Bryant Baker
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb ![]() 2022 Ron Vanderhoff
![]() 2017 Diane Etchison
![]() 2006 Steve Matson
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb ![]() 2020 Susan McDougall
![]() 2020 Ryan Carle
![]() 2020 R.A. Chasey
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
invasive non-native
Tree ![]() 2021 stephen rosenthal
![]() 2017 William McCarey
![]() 2000 Joe DiTomaso
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb ![]() 2020 Bob Sweatt
![]() 2006 Steve Matson
![]() 2019 Cynthia Powell
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb ![]() 2020 David Greenberger
![]() 2023 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
|
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 ![]() 2022 Ken Lunders
![]() 2006 Steve Matson
![]() 2023 Ron Vanderhoff
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub ![]() 2022 Mike Russler
![]() 2014 Steve Matson
![]() 2014 Steve Matson
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
invasive non-native
Annual herb ![]() 2022 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
|
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 ![]() 2023 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
![]() 2023 Ron Vanderhoff
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb ![]() 2014 Steve Matson
![]() 2014 Steve Matson
![]() 2020 Bryant Baker
|
Stellaria media Chickweed
non-native
Annual herb ![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
![]() 2015 Diane Etchison
|
Stephanomeria sp. Small Tree-Mallow
|
Stipa lepida Foothill needle grass
native
Perennial grass ![]() 2017 Gary McDonald
![]() 2023 Ron Vanderhoff
![]() 2017 Gary McDonald
|
Stipa pulchra Purple needle grass
native
Perennial grass ![]() 2019 Michelle Karle
![]() 2019 Ron Vanderhoff
![]() 2018 Gary McDonald
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb ![]() 2021 Meghan Lindt
![]() 2020 Stacie Wolny
![]() 2021 Bryant Baker
|
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 ![]() 2021 Ron Vanderhoff
![]() 2019 Diane Etchison
![]() 2021 Ron Vanderhoff
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer
invasive non-native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2018 Gary McDonald
![]() 2018 Lindsey Hack
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub ![]() 2020 Ron Vanderhoff
![]() 2019 Randy Huey
![]() 2021 Bryant Baker
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2022 Dana York
|
Trifolium hirtum Rose clover
invasive non-native
Annual herb ![]() 2011 Steve Matson
![]() 2011 Steve Matson
![]() 2011 Steve Matson
|
Triphysaria eriantha ssp. rosea Johnny tuck, Pink butter 'n' eggs
native
Annual herb ![]() 2017 Gary Morgret
![]() 2017 Cynthia Powell
![]() 2020 Mary Sue Ittner
|
Turritis glabra Tower rockcress
native
Perennial herb ![]() 2021 David Wolfson
![]() 2021 Mike Russler
![]() 2020 Chico Hiking Association
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb ![]() 2020 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2020 Ellen Gartside
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree ![]() 2016 Steve Matson
![]() 2016 Steve Matson
![]() 2020 Ron Vanderhoff
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb ![]() 2022 Donald Burk
![]() 2019 Hunter Breck
![]() 2021 R.A. Chasey
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb ![]() 2010 Steve Matson
![]() 2018 Mary Conway
![]() 2018 Mary Conway
|
Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine ![]() 2019 Diane Etchison
![]() 2023 R.A. Chasey
![]() 2020 Ron Vanderhoff
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine ![]() 2017 Gary McDonald
![]() 2017 Gary McDonald
![]() 2020 Julie A. Kierstead
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb ![]() 2014 James Gonsman
![]() 2023 Julia Markey
![]() 2023 Richard Sullivan
|