Pennington Creek Biological Reserve
Pennington Creek Biological Reserve California Polytechnic State University San Luis Obispo County, California San Luis Obispo County |
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David Keil / CNPS-SLO (2019-06-10) |
189 PLANTS |
Achillea millefolium Common yarrow
native
Perennial herb ![]() 2022 Andy Ford
![]() 2014 James Gonsman
![]() 2023 Ron Vanderhoff
|
Acmispon brachycarpus Short podded lotus
native
Annual herb ![]() 2005 Steve Matson
![]() 2005 Steve Matson
![]() 2018 Steve Matson
|
Acmispon junceus var. biolettii Bioletti's rush lotus
native
Perennial herb ![]() 2017 John Doyen
![]() 2013 Aaron Arthur
![]() 2013 Aaron Arthur
|
Acmispon junceus var. junceus Rush lotus
native
Perennial herb ![]() 2021 Toni Corelli
![]() 2016 Neal Kramer
![]() 2013 Al Keuter
|
Acmispon strigosus Strigose lotus
native
Annual herb ![]() 2019 Gary McDonald
![]() 2019 Diane Etchison
![]() 2019 Gary McDonald
|
native
Tree, Shrub ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2019 Gary McDonald
|
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
|
Allium haematochiton Red skinned onion, Redskin onion
native
Perennial herb (bulb) ![]() 2017 Steve Matson
![]() 2017 Steve Matson
![]() 2017 Steve Matson
|
Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita
rare native
Shrub ![]() 2019 Susan McDougall
![]() 2021 Mike Russler
![]() 2021 Mike Russler
|
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
|
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
|
Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub ![]() 2022 Ryan O'Dell
![]() 2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
![]() 2018 Cynthia Powell
|
Blitum californicum Small Tree-Mallow
|
Bloomeria crocea var. crocea Common goldenstar
native
Perennial herb ![]() 2019 Michael Mitchell
![]() 2019 Ron Vanderhoff
![]() 2017 Aaron Echols
|
Brachypodium hybridum Small Tree-Mallow
|
Brassica nigra Black mustard
invasive non-native
Annual herb ![]() 2020 Diane Etchison
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Bromus carinatus var. marginatus Mountain brome
native
Perennial grass ![]() 2018 Susan McDougall
![]() 2014 Susan McDougall
![]() 2021 Arlee Montalvo
|
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
|
Calandrinia menziesii red maids, Calandrinia
native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
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
|
Calochortus obispoensis San luis mariposa lily
rare native
Perennial herb (bulb) ![]() 2023 Morgan Stickrod
![]() 2020 Meghan Lindt
![]() 2018 Margarita Orlova
|
Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine ![]() 2017 Michael Mitchell
![]() 2020 James Gonsman
![]() 2017 Michael Mitchell
|
Calystegia subacaulis ssp. episcopalis Cambria morning glory, San luis obispo county morning glory
rare native
Perennial herb (rhizomatous) ![]() 2021 Kristen Nelson
![]() 2018 Adonis Tate
![]() 2021 Kristen Nelson
|
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
|
Carex serratodens Bifid sedge, Two tooth sedge
native
Perennial grasslike herb ![]() 2019 Steve Matson
![]() 2019 Steve Matson
![]() 2021 Cynthia Powell
|
Carex spissa San diego sedge
native
Perennial grasslike herb ![]() 2016 Steve Matson
![]() 2016 Steve Matson
![]() 2016 Steve Matson
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb ![]() 2006 Steve Matson
![]() 2021 Dylan Neubauer
![]() 2019 Ron Vanderhoff
|
Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush
native
Annual herb ![]() 2021 R.A. Chasey
![]() 2019 Matt Berger
![]() 2017 Diane Etchison
|
Ceanothus cuneatus var. fascicularis Sand buck brush, Sedgeleaf buckbrush
rare native
Shrub ![]() 2020 David Greenberger
![]() 2022 Cynthia Powell
![]() 2012 Neal Kramer
|
Ceanothus spinosus Greenbark ceanothus, Redheart
native
Tree, Shrub ![]() 2018 Ron Vanderhoff
![]() 2012 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
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
|
Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
rare native
Annual herb ![]() 2020 David Greenberger
![]() 2020 David Greenberger
![]() 2019 David Greenberger
|
Cirsium fontinale var. obispoense Chorro creek bog thistle
rare native
Perennial herb ![]() 2017 Cindy Roessler
![]() 2015 David Wolfson
![]() 2012 Lynn Robertson
|
Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb ![]() 2021 Amber Bedgood
![]() 2020 Steve Laymon
![]() 2020 Steve Laymon
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb ![]() 2008 Steve Matson
![]() 2008 Steve Matson
![]() 2008 Steve Matson
|
Conium maculatum Poison hemlock
invasive non-native
Perennial herb ![]() 2019 James Bailey
![]() 2013 Toni Corelli
![]() 2016 Cynthia Powell
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub ![]() 2019 David Greenberger
![]() 2018 Lynn Overtree
![]() 2020 Susan McDougall
|
Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
|
Croton setiger Turkey-mullein
native
Annual herb ![]() 2018 Rachelle Gray
![]() 2011 Steve Matson
![]() 2011 Steve Matson
|
Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb ![]() 2020 David Greenberger
![]() 2020 Ryan Carle
![]() 2023 Ken-ichi Ueda
|
Delphinium parryi ssp. blochmaniae Blochman's larkspur, Dune larkspur
rare native
Perennial herb ![]() Geoff Burleigh
![]() Geoff Burleigh
![]() Geoff Burleigh
|
Dendromecon rigida Bush poppy, Tree poppy
native
Shrub ![]() 2019 Eliezer Margolis
![]() 2018 Hunter Breck
![]() 2010 Suzanne L. Weakley
|
Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower
native
Shrub ![]() 2023 Bill Kress
![]() 2019 Stacie Wolny
![]() 2019 Gary McDonald
|
Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb ![]() 2023 Alaine Arslan
![]() 2016 Steve Matson
![]() 2008 Steve Matson
|
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
|
Elymus condensatus Giant wild rye
native
Perennial grass ![]() 2020 Ron Vanderhoff
![]() 2022 John Rawlings
![]() 2020 Diane Etchison
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass ![]() 2014 Toni Corelli
![]() 2021 Arlee Montalvo
![]() 2022 Ron Vanderhoff
|
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 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 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
|
Erythranthe guttata Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) ![]() 2019 Stacie Wolny
![]() 2015 James Gonsman
![]() 2019 Stacie Wolny
|
Eschscholzia californica California poppy
native
Annual, Perennial herb ![]() 2019 Dee Shea Himes
![]() 2021 Ron Vanderhoff
![]() 2019 Amy Rapport
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb ![]() 2014 Steve Matson
![]() 2022 Jennifer Mo
![]() 2014 Steve Matson
|
Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb ![]() 2021 R.A. Chasey
![]() 2014 Steve Matson
![]() 2014 Steve Matson
|
Festuca bromoides Brome fescue
non-native
Annual grass ![]() 2022 Diana Wahl
![]() 2021 Toni Corelli
![]() 2021 David popp
|
Festuca microstachys Small fescue
native
Annual grass ![]() 2022 Aaron Sunshine
![]() 2011 Steve Matson
![]() 2011 Steve Matson
|
Festuca perennis Italian rye grass
invasive non-native
Annual, Perennial grass ![]() 2019 Ron Vanderhoff
![]() 2017 Gary McDonald
![]() 2021 Ron Vanderhoff
|
Frangula californica ssp. californica California coffeeberry
native
Shrub ![]() 2015 Steve Matson
![]() 2015 Steve Matson
![]() 2019 Ron Vanderhoff
|
Fremontodendron californicum California flannelbush, California fremontia, Flannel bush
native
Shrub ![]() 2020 Suzanne L. Weakley
![]() 2019 Diane Etchison
![]() 2020 Tom Ballinger
|
Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb) ![]() 2020 David Greenberger
![]() 2016 Ron Vanderhoff
![]() 2018 Michael Mitchell
|
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw, Narrowleaf bedstraw
native
Perennial herb ![]() 2017 Steve Matson
![]() 2020 Ron Vanderhoff
![]() 2017 Steve Matson
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2005 Steve Matson
![]() 2020 Ron Vanderhoff
|
Galium californicum ssp. flaccidum California bedstraw
native
Perennial herb ![]() 2014 Steve Matson
![]() 2014 Steve Matson
![]() 2014 Steve Matson
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub ![]() 2022 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
invasive non-native
Annual herb ![]() 2021 Al Keuter
![]() 2023 Ron Vanderhoff
![]() 2014 Bryan Derr
|
Gilia achilleifolia ssp. achilleifolia California gilia
native
Annual herb ![]() 2021 Helen Hancock
![]() 2022 R.A. Chasey
![]() 2021 Mary Conway
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub ![]() 2021 Mike Russler
![]() 2021 Mary Conway
![]() 2011 Neal Kramer
|
Helenium bigelovii Bigelow's sneezeweed, Sneezeweed
native
Perennial herb ![]() 2020 Rebecca Schoenenberger
![]() 2019 Bryant Baker
![]() 2019 Bob Sweatt
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb ![]() 2013 Arcangelo Wessells
![]() 2022 R.A. Chasey
![]() 2022 R.A. Chasey
|
Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax
native
Annual herb ![]() 2020 Stacie Wolny
![]() 2020 R.A. Chasey
![]() 2021 R.A. Chasey
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub ![]() 2021 Bryant Baker
![]() 2021 R.A. Chasey
![]() 2021 Bryant Baker
|
Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax
native
Annual herb ![]() 2020 David Greenberger
![]() 2023 R.A. Chasey
![]() 2021 R.A. Chasey
|
Hesperoyucca whipplei Chaparral yucca
native
Shrub ![]() Geoff Burleigh
![]() 2023 Jordan Collins
![]() 2020 Julia Markey
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub ![]() 2015 James Gonsman
![]() 2017 Gary McDonald
![]() 2017 Gary McDonald
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub ![]() 2019 Bob Sweatt
![]() 2020 Camille Nowell
![]() 2023 Doug Zimmerman
|
Hordeum marinum Seaside barley
invasive non-native
Annual grass ![]() 2015 Chris Jaster
![]() 2017 Julia Dorosh
![]() 2015 Chris Jaster
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass ![]() 2022 Ron Vanderhoff
![]() 2021 Al Keuter
![]() 2021 Ron Vanderhoff
|
Hypochaeris glabra Smooth cat's ear
invasive non-native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2017 Gary McDonald
![]() 2019 Ron Vanderhoff
|
Juncus balticus ssp. ater Baltic rush
native
Perennial grasslike herb ![]() 2015 Steve Matson
![]() 2015 Steve Matson
![]() 2015 Steve Matson
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb ![]() 2016 Erik Larsen
![]() 2017 Ron Vanderhoff
![]() 2023 R.A. Chasey
|
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
|
Lasthenia californica ssp. macrantha Perennial goldfields
rare native
Perennial herb ![]() 2022 R.A. Chasey
![]() 2023 Mary Ann Machi
![]() 2017 David Greenberger
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb ![]() 2018 Ron Vanderhoff
![]() 2022 Charles Russell
![]() 2015 Chris Jaster
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb ![]() 2020 Linda Pardy
![]() 2019 Gary McDonald
![]() 2016 Steve Matson
|
Lithophragma heterophyllum Hill star, Hillside woodland star
native
Perennial herb ![]() 2019 David Greenberger
![]() 2019 David Magney
![]() 2018 Ken Lunders
|
Logfia filaginoides California cottonrose
native
Annual herb ![]() 2019 Steve Matson
![]() 2019 Steve Matson
![]() 2019 Matt Berger
|
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb ![]() 2017 James Gonsman
![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
rare native
Perennial herb ![]() 2020 David Greenberger
![]() 2011 Chris Winchell
![]() 2021 Patrick Furtado
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb ![]() 2006 Steve Matson
![]() 2019 Eliezer Margolis
![]() 2015 James Gonsman
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub ![]() 2019 Stacie Wolny
![]() 2019 Stacie Wolny
![]() 2021 Bryant Baker
|
Lupinus albifrons var. collinus Silver bush lupine, Silver lupine, low growing silver lupine
native
Shrub ![]() 2020 Hunter Breck
![]() 2021 Mike Russler
![]() 2016 Steve Matson
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb ![]() 2018 Stacie Wolny
![]() 2018 Stacie Wolny
![]() 2018 Stacie Wolny
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb ![]() 2017 B.J. Dion
![]() 2019 Barbara Boethling
![]() 2022 Chris McDonald
|
Marah fabacea California man-root
native
Perennial herb, Vine ![]() 2018 Karen Scheuermann
![]() 2021 Cyril Guyot
![]() 2018 Gary McDonald
|
Medicago polymorpha Bur clover, Bur medic, California burclover
invasive non-native
Annual herb ![]() 2019 Gary McDonald
![]() 2019 Gary McDonald
![]() 2019 Gary McDonald
|
Melica californica California melicgrass
native
Perennial grass ![]() 2023 John Rawlings
![]() 2021 John Rawlings
![]() 2022 John Rawlings
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass ![]() 2020 Ron Vanderhoff
![]() 2021 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Melilotus albus White sweetclover
invasive non-native
Annual, Biennial herb ![]() 2021 Ron Vanderhoff
![]() 2020 Bob Sweatt
![]() 2022 Ron Vanderhoff
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb ![]() 2022 Helen Hancock
![]() 2019 Diane Renshaw
![]() 2022 Helen Hancock
|
Olea europaea Olive
invasive non-native
Tree, Shrub ![]() 2022 Donald Burk
![]() 2021 Thomas Reyes
![]() 2022 Ron Vanderhoff
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent) ![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Paeonia californica California peony
native
Perennial herb ![]() 2021 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2019 Susan McDougall
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern ![]() 2021 Mike Russler
![]() 2021 Steve Matson
![]() 2020 Tina Curiel
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern ![]() 2019 James Gonsman
![]() 2008 Steve Matson
![]() 2008 Steve Matson
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb ![]() 2022 R.A. Chasey
![]() 2022 Robert Steers
![]() 2022 Robert Steers
|
Phacelia viscida var. viscida Sticky phacelia
native
Annual herb ![]() 2017 Gary Andrew
![]() © 2016 John B. Moule
![]() 2019 Mary Conway
|
Pinus sabiniana Bull pine, California foothill pine, Gray pine
native
Tree ![]() 2022 Cynthia Powell
![]() 2019 Cynthia Powell
![]() 2022 Cynthia Powell
|
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
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass ![]() 2018 Ron Vanderhoff
![]() 2018 Ron Vanderhoff
![]() 2018 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
|
Primula clevelandi Small Tree-Mallow
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb ![]() 2019 Gary McDonald
![]() 2020 Steven M Norris
![]() 2021 Ron Vanderhoff
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb ![]() 2020 Dick Rawson
![]() 2018 Ron Vanderhoff
![]() 2015 Diane Etchison
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree ![]() 2023 Ron Vanderhoff
![]() 2022 Ron Vanderhoff
![]() 2021 Al Keuter
|
Quercus durata var. durata Leather oak
native
Shrub ![]() 2022 Hunter Breck
![]() 2020 Charles Russell
![]() 2020 R.A. Chasey
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb ![]() 2019 David Greenberger
![]() 2021 Ron Vanderhoff
![]() 2017 Steve Matson
|
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 ursinus California blackberry, Pacific blackberry
native
Vine, Shrub ![]() 2018 Ken Lunders
![]() 2019 Ron Vanderhoff
![]() 2015 Kelli Kallenborn
|
Rumex pulcher Fiddle dock
non-native
Perennial herb ![]() 2020 Ryan Carle
![]() 2022 Chris McDonald
![]() 2019 Saul Soto
|
Sabulina douglasii Douglas' Stitchwort
native
Annual herb ![]() 2022 Steve Matson
![]() 2019 Stacie Wolny
![]() 2021 R.A. Chasey
|
Salix breweri Brewer's willow, Serpentine willow
native
Shrub ![]() 2022 Ryan O'Dell
![]() 2021 R.A. Chasey
![]() 1997 Dean Wm. Taylor
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub ![]() 2017 Susan Kotelnicki
![]() 2022 Ron Vanderhoff
![]() 2020 Steve Matson
|
Salvia columbariae Chia sage
native
Annual herb ![]() 2020 Ron Vanderhoff
![]() 2022 Mike Russler
![]() 2022 Mike Russler
|
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
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Tree, Shrub ![]() 2021 Mike Russler
![]() 2020 Diane Etchison
![]() 2022 El Byrne
|
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 bipinnatifida Purple sanicle, Snakeroot, Purple Sanicle, Shoe Buttons
native
Perennial herb ![]() 2019 Diane Etchison
![]() 2018 Gary McDonald
![]() 2020 Susan McDougall
|
Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot
rare native
Perennial herb ![]() 2019 Ken Hickman
![]() 2015 David Wolfson
![]() 2018 Ken Hickman
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb ![]() 2017 Barbara Boethling
![]() 2019 Ron Vanderhoff
![]() 2021 Toni Corelli
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous) ![]() 2020 David Greenberger
![]() 2021 Maria Stokes
![]() 2021 Cynthia Powell
|
Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene
native
Annual herb ![]() 2019 Ken Hickman
![]() 2019 Ken Hickman
![]() 2023 Matt Berger
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb ![]() 2019 Mary Wloch
![]() 2017 Gary McDonald
![]() 2019 Gary McDonald
|
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
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb ![]() 2013 Steve Matson
![]() 2008 Steve Matson
![]() 2008 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
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb ![]() 2014 Steve Matson
![]() 2014 Steve Matson
![]() 2020 Bryant Baker
|
Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle
native
Perennial herb ![]() 2019 David Wolfson
![]() 2018 Julian Geoghegan
![]() 2011 Neal Kramer
|
Stebbinsoseris heterocarpa Grassland stebbinsoseris
native
Annual herb ![]() 2019 Ron Vanderhoff
![]() 2019 Ron Vanderhoff
![]() 2017 Diane Etchison
|
Stellaria media Chickweed
non-native
Annual herb ![]() 2018 Gary McDonald
![]() 2018 Gary McDonald
![]() 2015 Diane Etchison
|
Stellaria pallida Pale starwort
non-native
Annual herb ![]() 2008 Keir Morse
![]() 2022 Donald Burk
![]() 2005 Keir Morse
|
Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster
native
Perennial herb ![]() 2019 David Greenberger
![]() 2018 John Game
![]() 2013 James Gonsman
|
Stephanomeria exigua ssp. carotifera White plume stephanomeria, Whiteplume wirelettuce
native
Perennial herb ![]() 2018 Mary Conway
![]() 2018 Mary Conway
![]() 2018 Mary Conway
|
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 lasiophyllus Small Tree-Mallow
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub ![]() 2019 Ron Vanderhoff
![]() 2020 Cara Wilcox
![]() 2019 Ron Vanderhoff
|
Symphyotrichum chilense California aster, Pacific aster
native
Perennial herb ![]() 2020 Suzanne L. Weakley
![]() 2013 Arcangelo Wessells
![]() 2018 Stacie Wolny
|
Thermopsis californica var. californica California goldenbanner
native
Perennial herb (rhizomatous) ![]() 2021 Mike Russler
![]() 2015 James Gonsman
![]() 2021 Mike Russler
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb ![]() 2021 Helen Hancock
![]() 2008 Keir Morse
![]() 2021 R.A. Chasey
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb ![]() 2011 Steve Matson
![]() 2011 Steve Matson
![]() 2022 R.A. Chasey
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub ![]() 2020 Ron Vanderhoff
![]() 2019 Randy Huey
![]() 2021 Bryant Baker
|
Toxicoscordion fremontii Fremont's star lily, Fremont's death camas
native
Perennial herb ![]() 2020 Bryant Baker
![]() 2021 Steve Matson
![]() 2020 Karen Swift
|
Trifolium bifidum var. decipiens Notch leaf clover
native
Annual herb ![]() 2022 R.A. Chasey
![]() 2022 R.A. Chasey
![]() 2021 Cameron Chabre
|
Trifolium fucatum Bull clover, Sour clover
native
Annual herb ![]() 2019 James Gonsman
![]() 2019 James Gonsman
![]() 2019 Paul Aigner
|
Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover
native
Annual herb ![]() 2016 Steve Matson
![]() 2016 Steve Matson
![]() 2016 Steve Matson
|
Triphysaria pusilla Dwarf owl's clover, Little owl's clover
native
Annual herb ![]() 2018 Steve Matson
![]() 2018 Steve Matson
![]() 2022 R.A. Chasey
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree ![]() 2016 Steve Matson
![]() 2016 Steve Matson
![]() 2020 Ron Vanderhoff
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb ![]() 2019 Zack Abbey
![]() 2022 Mary Ann Machi
![]() 2016 Ron Vanderhoff
|
Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine ![]() 2007 Toni Corelli
![]() 2020 Ron Vanderhoff
![]() 2020 Ron Vanderhoff
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb ![]() 2014 James Gonsman
![]() 2023 Julia Markey
![]() 2023 Richard Sullivan
|