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 |
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Acacia melanoxylon Blackwood acacia
• invasive non-native
Tree  2022 Julian Geoghegan
 2019 Julian Geoghegan
 2009 Neal Kramer
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Achillea millefolium Common yarrow
native
Perennial herb  2022 Andy Ford
 2014 James Gonsman
 2018 Gary McDonald
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Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
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Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2016 Susan McDougall
 2020 Ron Vanderhoff
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Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb  2020 Ron Vanderhoff
 2019 Mary Conway
 2020 Ron Vanderhoff
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Acmispon strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
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Acmispon wrangelianus Chilean trefoil
native
Annual herb  2021 Jamie Spielmann
 2018 Gary McDonald
 2022 Richard Sullivan
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Acourtia microcephala Sacapellote
native
Perennial herb  2022 Diane Etchison
 2019 Ron Vanderhoff
 2014 Diane Etchison
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Adiantum jordanii Adiantum, maiden hair fern
native
Fern  2022 BOB CASE
 2019 Ron Vanderhoff
 2019 Susan McDougall
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Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2021 Emily Sluiman
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Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass  2021 John Rawlings
 2008 Keir Morse
 2021 John Rawlings
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Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 David Greenberger
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub  2018 James Gonsman
 2019 Diane Etchison
 2020 Ron Vanderhoff
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2021 Mike Russler
 2013 Brent Morgan
 2017 Alison Sheehey
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Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb  2010 Gary A. Monroe
 2010 Gary A. Monroe
 2012 Larry Blakely
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Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch
• rare native
Annual herb  2012 Steve Matson
 2014 Chris Winchellll
 2014 Chris Winchell
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Atriplex lentiformis Big saltbush
native
Shrub  2019 Diane Etchison
 2020 R.A. Chasey
 2017 Ron Vanderhoff
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Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2022 John Rawlings
 2022 John Rawlings
 2002 James B. Gratiot
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Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb  2015 James Gonsman
 2019 Diane Etchison
 2020 Diane Etchison
|
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Bidens pilosa Hairy beggarticks
non-native
Annual herb  2021 Ron Vanderhoff
 2018 Ron Vanderhoff
 2020 David Wolfson
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Blepharizonia laxa Glandular big tarweed
native
Annual herb  2019 Jacob Smith
 2021 Mike Russler
 2021 Mike Russler
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Blitum californicum
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Brachypodium hybridum
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Brassica nigra Black mustard
• invasive non-native
Annual herb  2020 Diane Etchison
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2022 Ron Vanderhoff
 2021 Richard Spjut
 2022 Ron Vanderhoff
|
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Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
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Bromus rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
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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
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Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine  2017 Michael Mitchell
 2020 James Gonsman
 2017 Michael Mitchell
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Cardamine californica California toothwort, milkmaids
native
Perennial herb  2020 Barbara Peck
 2018 Lynn Sweet
 2019 Ron Vanderhoff
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2017 Gary McDonald
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Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb  2017 Lisa Miller
 2019 Michelle Karle
 2021 Michelle Karle
|
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Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb  2011 CNPS, San Luis Obispo Chapter
 2011 Chris Winchell
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Cenchrus setaceus
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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
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
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Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb  2015 Sharon King & Randy Aeschliman
 2003 George Jackson
 2018 Karen Scheuermann
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Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb  2021 George Williams
 2021 Bob Sweatt
 2018 Scott Oneto
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Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb  2007 Neal Kramer
 2014 Margo Bors
 2018 Brian Charles
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2017 James Bailey
 2019 Gustavo Vasquez
 2020 Bob Sweatt
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Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb  2021 Amber Bedgood
 2020 Steve Laymon
 2020 Steve Laymon
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Clarkia epilobioides Canyon clarkia, Willow herb clarkia
native
Annual herb  2019 David Greenberger
 2017 Steve Matson
 2017 Steve Matson
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Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Gary McDonald
 2019 Gary McDonald
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Collinsia heterophylla Purple chinese houses
native
Annual herb  2019 Jacob Smith
 2019 Jacob Smith
 2019 David Greenberger
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Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2022 Mike Russler
 2018 Ron Vanderhoff
 2021 Mike Russler
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Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
• invasive non-native
Shrub  2021 David Wolfson
 2006 Peter Zika
 2019 Cynthia Powell
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Croton setiger Turkey-mullein
native
Annual herb  2018 Rachelle Gray
 2011 Steve Matson
 2011 Steve Matson
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Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2016 Joan Hampton
 2021 Ken Lunders
 2014 James Gonsman
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Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass  2005 Louis-M. Landry
 2003 Steve Matson
 2018 Kyndal Olin
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Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2022 David Wolfson
 2021 Ken Lunders
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Deinandra fasciculata Clustered tarweed
native
Annual herb  2022 David Strauch
 2017 Steve Matson
 2017 Steve Matson
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Delairea odorata Cape ivy
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Diplacus aurantiacus var. aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2019 Gary McDonald
|
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Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb  2019 Thomas Reyes
 2018 Angelique Herman
 2009 Barry Breckling
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Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb  2019 Jim Morefield
 2016 Steve Matson
 2008 Steve Matson
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Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass  2019 Ron Vanderhoff
 2022 Donald Burk
 2019 Ron Vanderhoff
|
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Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb  2020 Diane Etchison
 2017 Steve Matson
 2021 Mike Russler
|
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Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2022 David Strauch
 2004 Brent Miller
 2019 Rebecca Crowe
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Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb  2012 Terrence Gosliner
 2019 David Greenberger
 2011 Chris Winchell
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Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2015 Dee Warenycia
 2020 Steven M Norris
 2020 Steven M Norris
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Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2022 Ken-ichi Ueda
 2004 Carol W. Witham
 2003 Steve Matson
|
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Elymus condensatus Giant wild rye
native
Perennial grass  2011 Neal Kramer
 2010 Michael O'Brien
 2006 Adonis (Don) Tate
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Elymus triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
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Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells
native
Annual herb  2018 Ron Vanderhoff
 2015 Barry Thomson
 2014 Ruth Ann Pearsons
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Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb  2017 Gary McDonald
 2019 Gary McDonald
 2019 Gary McDonald
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Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb  2021 Donald Burk
 2017 Diane Etchison
 2008 Jorg Fleige
|
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Erigeron canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Mike Russler
|
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Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub  2021 Ron Vanderhoff
 2021 Jacob Martin
 2017 Diane Etchison
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Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb  2017 Ron Vanderhoff
 2019 Aaron Echols
 2021 Mike Russler
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Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub  2019 Joerg Lohse
 2018 Ron Vanderhoff
 2013 Neal Kramer
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Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2017 Gary McDonald
 2015 Ken Lunders
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Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb  2016 Bob van Duinen
 2020 Angelique Herman
 2016 John Doyen
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Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2022 Steve Matson
 2020 Julia Markey
 2022 Steve Matson
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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
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Eschscholzia californica California poppy
native
Annual, Perennial herb  2020 adam crisis
 2009 Barry Rice
 2020 Benjamin Gould
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Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree  2020 Jennifer Mo
 2022 Ryan O'Dell
 2016 Zoya Akulova
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Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb  2021 Stella Yang
 2014 Steve Matson
 2022 R.A. Chasey
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Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
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Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
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Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2015 Neal Kramer
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Frangula californica ssp. californica California coffeeberry
native
Shrub  2018 Jay Chamberlain
 2019 Mary Conway
 2019 Mary Conway
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Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2005 Steve Matson
 2020 Ron Vanderhoff
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Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2021 Zoya Akulova-Barlow
 2019 Gary McDonald
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Gastridium phleoides Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Paul Aigner
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Genista monspessulana French broom
• invasive non-native
Shrub  2019 Ron Vanderhoff
 2015 Barry Breckling
 2019 Ron Vanderhoff
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Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2020 Ron Vanderhoff
 2015 Chris Jaster
 2014 Bryan Derr
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Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub  2011 Neal Kramer
 2008 Zoya Akulova
 2021 Mary Conway
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Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2013 Toni Corelli
 2015 Stephen Rosenthal
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Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb  2016 Hayley Ross
 2019 Rachelle Gray
 2019 Rachelle Gray
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Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb  2009 Barry Breckling
 2007 Neal Kramer
 2019 Cynthia Powell
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Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub  2021 Bryant Baker
 2021 R.A. Chasey
 2021 Bryant Baker
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Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
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Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb  2021 Mike Russler
 2021 Mike Russler
 2021 Mike Russler
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Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Ron Vanderhoff
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Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2019 Bob Sweatt
 2020 Camille Nowell
 2018 Ron Vanderhoff
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Hordeum marinum subsp gussoneanum
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Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2015 Richard Chasey
 2009 Keir Morse
 2010 Neal Kramer
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Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2022 R.A. Chasey
 2014 Mike Wood
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Juncus phaeocephalus var. paniculatus Brown headed rush, Brownhead rush, Spreading brown headed rush
native
Perennial grasslike herb  2009 Keir Morse
 2010 Aaron Arthur
 2019 John Rawlings
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Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue
native
Shrub  2010 Thomas Stoughton
 2013 Susan McDougall
 2010 Neal Kramer
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Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass  2020 Matt Berry
 2015 Steve Matson
 2015 Steve Matson
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Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2021 Don Hollander
 2019 Stacie Wolny
 2021 Don Hollander
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Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2020 Mark Kircher
 2009 Neal Kramer
|
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Lamarckia aurea Goldentop grass
non-native
Annual grass  2017 B.J. Dion
 2019 Ron Vanderhoff
 2015 James Gonsman
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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
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Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2022 Charles Russell
 2020 James Gonsman
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Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2015 jamie smith
 2013 Keir Morse
 2017 Barbara Boethling
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Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
• rare native
Perennial herb  2020 David Greenberger
 2011 Chris Winchell
 2021 Patrick Furtado
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Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub  2012 Michael Mitchell
 2020 Richard Spjut
 2020 Richard Spjut
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Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Gary McDonald
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Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2019 Barbara Boethling
 2022 Chris McDonald
|
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Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb  2019 Diane Etchison
 2016 Andrew Longman
 2021 Cynthia Powell
|
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Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2021 David Wolfson
 2021 Zoya Akulova-Barlow
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Marah fabacea California man-root
native
Perennial herb, Vine  2018 Karen Scheuermann
 2021 Cyril Guyot
 2018 Gary McDonald
|
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Marrubium vulgare White horehound
• invasive non-native
Perennial herb  2019 Aaron Echols
 ©2013 Gary McDonald
 2015 Diane Etchison
|
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Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2020 Ron Vanderhoff
|
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Micranthes californica Greene's saxifrage
native
Perennial herb  2020 Cara Wilcox
 2016 Steve Matson
 2016 Steve Matson
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Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb  2011 Zoya Akulova
 2004 Carol W. Witham
 2004 Carol W. Witham
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Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent)  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2007 Neal Kramer
|
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Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass  2018 Ron Vanderhoff
 2006 Steven Thorsted
 2009 Barry Rice
|
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Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2014 James Gonsman
|
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Persicaria punctata Dotted smartweed
native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2022 Helen Hancock
|
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Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb  2012 Neal Kramer
 2012 Genevieve K. Walden
 2022 R.A. Chasey
|
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Phalaris paradoxa Hood canarygrass
non-native
Annual grass  2004 Carol W. Witham
 2007 Luigi Rignanese
 2007 Luigi Rignanese
|
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Phoenix canariensis Canary island date palm
• invasive non-native
Tree  2016 Zoya Akulova
 2005 Luigi Rignanese
 2017 B.J. Dion
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Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb  2014 James Gonsman
 2014 Keir Morse
 2022 Ken-ichi Ueda
|
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Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb  2018 Karen Scheuermann
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2021 Charles Russell
 2022 Catherine Chang
 2008 Margo Bors
|
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Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2019 Joe Engelbrecht
|
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Platanus racemosa California sycamore, Western sycamore
native
Tree  2021 Ron Vanderhoff
 2019 Rachelle Gray
 2018 Ron Vanderhoff
|
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Platystemon californicus Cream cups, Creamcups
native
Annual herb  2018 Karen Scheuermann
 2020 Mitchell Coleman
 2019 Matt Berger
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2016 John Doyen
 2008 Keir Morse
 2010 Lee Dittmann
|
|
Polypodium californicum California polypody
native
Fern  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2022 Suzanne L. Weakley
|
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Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2020 Edith Allen
 2021 Ron Vanderhoff
 2014 Steve Matson
|
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Populus trichocarpa Black cottonwood
native
Tree  2021 Ron Vanderhoff
 2014 Ron Vanderhoff
 2020 Susan McDougall
|
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Primula clevelandi
|
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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, Hollyleaf cherry
native
Tree, Shrub  2018 David Greenberger
 2012 Gary McDonald
 2020 Ron Vanderhoff
|
|
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
 2020 David popp
|
|
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  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 R.A. Chasey
|
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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
 2021 Keir Morse
|
|
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
|
|
Salix laevigata Polished willow, Red willow
native
Tree  2020 Susan McDougall
 2020 Diane Etchison
 2002 John Bair
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Salix lasiolepis Arroyo willow
native
Tree, Shrub  2017 Susan Kotelnicki
 2012 Zoya Akulova
 2016 Zoya Akulova
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Salvia leucophylla San luis purple sage
native
Shrub  2015 Steven M Norris
 2016 John Doyen
 2019 Janith Johnson
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Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Ron Vanderhoff
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Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb  2022 Ron Vanderhoff
 2017 Diane Etchison
 2006 Steve Matson
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Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2020 Susan McDougall
 2020 Ryan Carle
 2020 R.A. Chasey
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Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree  2009 Neal Kramer
 2000 Joe DiTomaso
 2017 William McCarey
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Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2019 Aaron Echols
 2018 Stacie Wolny
 2022 Ken Lunders
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Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2018 Ron Vanderhoff
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Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb  2013 Debra L. Cook
 2002 Lynn Watson
 2014 Diane Etchison
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Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2009 Barry Rice
 2019 Marisa Persaud
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Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
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Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2022 Ken Lunders
 2018 Debra L. Cook
 2017 Zoya Akulova
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Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub  2022 Mike Russler
 2020 Ron Vanderhoff
 2018 Suzanne L. Weakley
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Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2013 Debra L. Cook
 2015 Robert Sikora
 2022 Ron Vanderhoff
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Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
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Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2022 Bob Sweatt
 2014 Dee Warenycia
 2022 Bob Sweatt
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Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2018 Sheila Lodge
 2020 Bryant Baker
 2020 Ken Lunders
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Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2015 Diane Etchison
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Stephanomeria sp.
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Stipa lepida Foothill needle grass
native
Perennial grass  2017 Gary McDonald
 2016 Andrew Longman
 2019 Angelique Herman
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Stipa pulchra Purple needle grass
native
Perennial grass  2019 Michelle Karle
 2019 Ron Vanderhoff
 2018 Gary McDonald
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Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb  2021 Meghan Lindt
 2021 Bryant Baker
 2008 Keir Morse
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Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
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Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2021 Ron Vanderhoff
 2019 Diane Etchison
 2021 Ron Vanderhoff
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Torilis arvensis Field hedge parsley, Spreading hedgeparsley
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2018 Lindsey Hack
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Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2020 Ron Vanderhoff
 2019 Randy Huey
 2021 Bryant Baker
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Trifolium fragiferum Strawberry clover
non-native
Perennial herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2014 Robert Sikora
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Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
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Triphysaria eriantha ssp. rosea Johnny tuck, Pink butter 'n' eggs
native
Annual herb  2017 Gary Morgret
 2017 Cynthia Powell
 2020 Mary Sue Ittner
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Turritis glabra Tower rockcress
native
Perennial herb  2021 David Wolfson
 2021 Mike Russler
 2020 Chico Hiking Association
|
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Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb  2020 Ron Vanderhoff
 2022 Ron Vanderhoff
 2020 Ellen Gartside
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Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2015 Ken Lunders
 2020 Diane Etchison
 2022 David Strauch
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Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb  2022 Donald Burk
 2019 Hunter Breck
 2021 R.A. Chasey
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Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2018 Mary Conway
 2018 Mary Conway
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Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine  2010 Neal Kramer
 2007 Neal Kramer
 2005 Luigi Rignanese
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Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2008 Keir Morse
 2020 Julie A. Kierstead
 2020 Ken Lunders
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Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb  2018 James Gonsman
 2014 James Gonsman
 2019 Ken Hickman
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