| ||||||
|
Cerro Romauldo
Cerro Romauldo, Camp San Luis Obispo, California San Luis Obispo County |
|
|||||
| David Keil / CNPS-SLO (2019-06-09) | ||||||
| 195 PLANTS |
|
Achillea millefolium Common yarrow
native
Perennial herb 
© 2022 Andy Ford 
© 2020 Bob Sweatt 
© 2018 Gary McDonald |
|
Acmispon glaber var. glaber Deerweed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Acmispon parviflorus Hill lotus
native
Annual herb 
© 2008 Steve Matson 
© 2022 Dana York 
© 2008 Steve Matson |
|
Acmispon strigosus Strigose lotus
native
Annual herb 
© 2024 Mike Russler 
© 2023 Ron Vanderhoff 
© 2016 Steve Matson |
|
native
Tree, Shrub 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
|
Adiantum jordanii Adiantum, maiden hair fern
native
Fern 
© 2022 BOB CASE 
© 2019 Ron Vanderhoff 
© 2023 Mike Russler |
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb 
© 2007 Gerald Carr 
© 2007 Gerald Carr 
© 2012 Michael Mitchell |
|
Agrostis pallens Leafy bent grass, Diego bent grass, Seashore bentgrass
native
Perennial grass 
© 2021 John Rawlings 
© 2020 Susan McDougall 
© 2021 John Rawlings |
|
Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass 
© 2005 Steve Matson 
© 2005 Steve Matson 
© 2005 Steve Matson |
|
Amaryllis belladonna Belladonna lily
non-native
Perennial herb 
© 2016 Camille Nowell 
© 2020 Jacob Martin 
© 2022 Ron Vanderhoff |
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb 
© 2017 Diane Etchison 
© 2019 Nathan Taxel 
© 2019 Dave Beller |
|
Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb 
© 2023 Ron Vanderhoff 
© 2019 David Greenberger 
© 2019 Ron Vanderhoff |
|
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 
© 2019 Aaron Echols 
© 2018 Ron Vanderhoff |
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb 
© 2022 Ron Vanderhoff 
© 2016 Glen Schneider 
© 2021 Mike Russler |
|
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 |
|
Bellardia trixago Mediterranean lineseed
• invasive non-native
Annual herb 
© 2016 Michael Mitchell 
© 2016 Michael Mitchell 
© 2015 jamie smith |
|
Bloomeria crocea var. aurea Common goldenstar
native
Perennial herb 
© 2019 David Greenberger 
© 2020 Kimberly Coates 
© 2018 Gary McDonald |
|
Brachypodium hybridum Small Tree-Mallow
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass 
© 2016 Richard Chasey  © 2013 Jean Pawek 
© 2021 Amelia Ryan |
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
© Alize 
© 2021 Richard Spjut 
© 2024 David popp |
|
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 albus White fairy lantern, White globe lily
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
• rare native
Perennial herb (bulb) 
© 2020 David Wolfson 
© 2020 David Krause 
© 2023 Mike Russler |
|
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) 
© 2019 David Greenberger 
© 2021 Kristen Nelson  © 2011 Aaron E. Sims |
|
Cardamine californica California toothwort, milkmaids
native
Perennial herb 
© 2020 Barbara Peck 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2023 Diana Wahl 
© 2023 Ron Vanderhoff |
|
Carthamus lanatus Woolly distaff thistle
• invasive non-native
Annual herb 
© 2019 Lenihan Mazur 
© 2019 Danielle Carney 
© 2019 Danielle Carney |
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2019 Ron Vanderhoff |
|
Ceanothus cuneatus var. ramulosus Buck brush
native
Shrub  © 2023 lorri-gong  © 2021 lorri-gong  © 2024 olliecat |
|
Ceanothus spinosus Greenbark ceanothus, Redheart
native
Tree, Shrub 
© 2018 Ron Vanderhoff 
© 2012 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Cenchrus longisetus Feathertop
• invasive non-native
Perennial grass 
© 2018 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
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 |
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2023 R.A. Chasey |
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb 
© 2021 Sue Graue 
© 2015 Sharon King & Randy Aeschliman 
© 2023 Ron Vanderhoff |
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
© 2017 James Bailey 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
|
Clarkia affinis Chaparral clarkia, Chaparral fairyfan
native
Annual herb 
© 2025 Ken-ichi Ueda 
© 2024 Sue Luft 
© 2020 Steve Laymon |
|
Clarkia epilobioides Canyon clarkia, Willow herb clarkia
native
Annual herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Claytonia exigua ssp. exigua Little spring beauty, Serpentine springbeauty, Viridis
native
Annual herb 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
Clinopodium douglasii Yerba buena
native
Perennial herb 
© 2019 Gary McDonald 
© 2012 Gary McDonald 
© 2012 Gary McDonald |
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
© 2024 Cynthia Powell 
© 2013 Toni Corelli 
© 2016 Cynthia Powell |
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
© 2022 Mike Russler 
© 2018 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass
• invasive non-native
Annual grass 
© 2024 R.A. Chasey 
© 2010 Julie A. Kierstead 
© 2022 Ron Vanderhoff |
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
© 2019 Diane Etchison 
© 2022 David Wolfson 
© 2019 John Rawlings |
|
Deinandra fasciculata Clustered tarweed
native
Annual herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Delairea odorata Cape ivy
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass  © 2008 Keir Morse 
© 2024 Matt Berger 
© 2023 Matt Berger |
|
Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower
native
Shrub 
© 2024 Steve Conger 
© 2024 Steve Conger 
© 2019 Mary Gerbic |
|
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 
© 2008 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2021 Ron Vanderhoff |
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern 
© 2023 Julia Markey 
© 2019 Rebecca Crowe 
© 2018 James Gonsman |
|
Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya, Blochman's liveforever
• rare native
Perennial herb 
© 2023 Mike Russler 
© 2018 Kristen Nelson 
© 2023 Mike Russler |
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2020 Steven M Norris 
© 2020 Steven M Norris |
|
Elymus condensatus Giant wild rye
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2024 Mel Letterman 
© 2020 Diane Etchison |
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass 
© 2023 R.A. Chasey 
© 2021 Arlee Montalvo 
© 2022 Ron Vanderhoff |
|
Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb 
© 2023 Ron Vanderhoff 
© 2024 R.A. Chasey 
© 2022 Ron Vanderhoff |
|
Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern 
© 2020 Ron Vanderhoff 
© 2021 Richard Spjut 
© 2020 Ron Vanderhoff |
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2022 Suzanne L. Weakley |
|
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 
© 2024 Mike Russler 
© 2022 Ron Vanderhoff |
|
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 
© 2023 Ryan O'Dell 
© 2013 James Gonsman 
© 2020 Ron Vanderhoff |
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Erythranthe microphylla Small leaved monkeyflower
• rare native
Annual herb 
© 2019 Susan McDougall 
© 2021 Robert Steers 
© 2024 Mike Russler |
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb 
© 2024 Mike Russler 
© 2023 Ron Vanderhoff 
© 2024 Mike Russler |
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
© 2019 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2023 Fred Roberts 
© 2022 Ryan O'Dell |
|
Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb) 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2023 Julia Markey 
© 2020 Ron Vanderhoff |
|
Galium californicum ssp. californicum California bedstraw
native
Perennial herb 
© 2018 Ken Hickman 
© 2017 Ken Hickman 
© 2015 James Gonsman |
|
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 Julia Larke |
|
Gamochaeta ustulata Featherweed
native
Perennial herb 
© 2019 Gary McDonald 
© 2019 Gary McDonald 
© 2019 Gary McDonald |
|
Gastridium phleoides Nit grass
non-native
Annual grass 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2017 Gary McDonald |
|
Geranium carolinianum Carolina geranium
native
Annual herb 
© 2025 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2016 Steve Matson |
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
© 2021 Al Keuter 
© 2024 Mike Russler 
© 2014 Bryan Derr |
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub 
© 2024 Mike Russler 
© 2024 Mike Russler 
© 2021 Mary Conway |
|
Hedypnois rhagadioloides Crete weed
non-native
Annual herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax
native
Annual herb 
© 2020 Stacie Wolny 
© 2020 R.A. Chasey 
© 2022 R.A. Chasey |
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub 
© 2015 James Gonsman 
© 2017 Gary McDonald 
© 2022 John Doyen |
|
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 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2022 Steve Matson |
|
Hordeum marinum subsp gussoneanum Small Tree-Mallow
|
|
Horkelia cuneata var. cuneata Wedge leaved horkelia
native
Perennial herb 
© 2020 David Greenberger 
© 2019 David Greenberger 
© 2022 R.A. Chasey |
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb 
© 2022 R.A. Chasey 
© 2022 R.A. Chasey 
© 2018 Emily Allen |
|
Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb 
© 2019 Dee Shea Himes 
© 2024 R.A. Chasey 
© 2019 John Rawlings |
|
Lagophylla ramosissima Branched lagophylla, Common hareleaf
native
Annual herb 
© 2024 Mike Russler 
© 2021 Dee Shea Himes 
© 2022 Mike Russler |
|
Lasthenia gracilis Needle goldfields
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb 
© 2023 Steve Conger 
© 2022 Charles Russell 
© 2024 Ron Vanderhoff |
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb 
© 2008 Keir Morse 
© 2008 Keir Morse 
© 2008 Keir Morse |
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb 
© 2023 R.A. Chasey 
© 2024 Mike Russler 
© 2017 Barbara Boethling |
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub 
© 2022 Suzanne L. Weakley 
© 2021 Cara Wilcox 
© 2018 Diana Wahl |
|
Luzula subsessilis Pacific woodrush
native
Perennial grasslike herb 
© 2024 John Rawlings 
© 2021 David popp 
© 2021 David popp |
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 
© 2017 B.J. Dion 
© 2018 Stacie Wolny 
© 2017 B.J. Dion |
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb 
© 2023 Dianne Lake 
© 2023 Ron Vanderhoff 
© 2021 Helen Hancock |
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb 
© 2024 Mike Russler 
© 2021 Amber Bedgood 
© 2019 Ron Vanderhoff |
|
Mahonia pinnata ssp. pinnata California barberry, Coast barberry, Shiny leaf barberry
native
Shrub 
© 2022 Alice Cummings 
© 2021 Ron Vanderhoff 
© 2021 R.A. Chasey |
|
Marah fabacea California man-root
native
Perennial herb, Vine 
© 2018 Gary McDonald 
© 2018 MCOSD EDRR 
© 2021 Cyril Guyot |
|
Matricaria discoidea Pineapple weed
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2018 Stacie Wolny |
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2019 Gary McDonald 
© 2019 Gary McDonald |
|
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 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Micropus californicus var. subvestitus Hairy slender cottonweed, Q tips
native
Annual herb 
© 2023 Keir Morse 
© 2023 Keir Morse 
© 2023 Keir Morse |
|
Monardella villosa ssp. obispoensis San luis obispo coyote mint
native
Perennial herb 
© 2019 David Wolfson 
© 2019 David Wolfson 
© 2020 Dee Shea Himes |
|
Myrtus communis Myrtle
non-native
Shrub 
© 2023 Ramona Robison 
© 2022 Leah Lord 
© 2022 Dianne Dollente |
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic) 
© 2012 Steve Matson 
© 2012 Steve Matson 
© 2012 Steve Matson |
|
Navarretia atractyloides Holly leaf navarretia, Hollyleaf pincushionplant
native
Annual herb 
© 2019 Diane Etchison 
© 2010 George Butterworth 
© 2019 Ken Hickman |
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
© 2019 Gary McDonald 
© 2017 Angelique Herman 
© 2015 Richard Chasey |
|
Oxalis pilosa Hairy wood sorrel
native
Annual herb 
© 2022 R.A. Chasey 
© 2022 Cynthia Powell 
© 2022 Ken-ichi Ueda |
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern 
© 2023 Steve Conger 
© 2021 Steve Matson 
© 2021 Mike Russler |
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2019 Gary McDonald |
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
|
Phacelia malvifolia Stinging phacelia
native
Annual herb 
© 2018 Michael Mitchell 
© 2022 R.A. Chasey 
© 2018 Rebecca Schoenenberger |
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass 
© 2024 Jennifer Mo 
© 2021 John Rawlings 
© 2017 James Bailey |
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Pholistoma membranaceum White fiesta flower, White fiestaflower
native
Annual herb 
© 2025 Mike Russler 
© 2005 Steve Matson 
© 2025 Mike Russler |
|
Pinus radiata Monterey pine
native
Tree 
© 2011 Toni Corelli 
© 2012 Michael Mitchell 
© 2012 Michael Mitchell |
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb 
© 2008 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
© 2008 Steve Matson 
© 2019 Joe Engelbrecht 
© 2021 Ken Lunders |
|
Platanus racemosa California sycamore, Western sycamore
native
Tree 
© 2021 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
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 |
|
Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint
native
Annual herb 
© 2020 Stacie Wolny 
© 2022 R.A. Chasey 
© 2020 Stacie Wolny |
|
Polypodium californicum California polypody
native
Fern 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2023 Keir Morse |
|
Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody
native
Fern 
© 2022 BOB CASE 
© 2015 James Gonsman 
© 2020 Susan McDougall |
|
Primula clevelandi Small Tree-Mallow
|
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub 
© 2023 Helen Hancock 
© 2024 Mike Russler 
© 2022 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 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2015 Chris Jaster |
|
Psilocarphus tenellus Slender woolly marbles, Slender woollyheads
native
Annual herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2018 Ron Vanderhoff |
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2022 Bob Sweatt |
|
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 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Rhamnus crocea Redberry buckthorn
native
Shrub 
© 2011 Michael Mitchell 
© 2022 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Ribes malvaceum var. malvaceum Chaparral currant
native
Shrub 
© 2023 R.A. Chasey 
© 2020 Ron Vanderhoff 
© 2023 R.A. Chasey |
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub 
© 2022 David Chipping 
© 2024 Shelly Marshall 
© 2021 Ron Vanderhoff |
|
Rosa californica California wild rose, California wildrose
native
Shrub 
© 2022 Suzanne L. Weakley 
© 2022 Suzanne L. Weakley 
© 2021 Sue Graue |
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub 
© 2021 David Gowen  © Silverado Jim 
© 2020 David Krause |
|
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 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
© 2018 Tim Lewis 
© 2019 Diane Etchison 
© 2023 Ron Vanderhoff |
|
Rumex pulcher Fiddle dock
non-native
Perennial herb 
© 2020 Ryan Carle 
© 2022 Chris McDonald 
© 2021 David popp |
|
Sagina decumbens ssp. occidentalis Western pearlwort
native
Annual herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
© 2019 Steve Matson 
© 2022 Ron Vanderhoff 
© 2020 Steve Matson |
|
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 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb 
© 2023 Steve Conger 
© 2023 Steve Conger 
© 2021 Steve Laymon |
|
Sanicula laciniata Coast sanicle, Coastal blacksnakeroot
native
Perennial herb 
© 2022 Alice Cummings 
© 2020 Mary Conway 
© 2018 Ken Hickman |
|
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 |
|
Senecio glomeratus Cutleaf burnweed
• invasive non-native
Annual, Perennial herb 
© 2015 Lynn Overtree 
© 2023 R.A. Chasey 
© 2021 Mary Conway |
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous) 
© 2024 Mike Russler 
© 2021 Maria Stokes 
© 2024 Mike Russler |
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb 
© 2019 Mary Wloch 
© 2017 Gary McDonald 
© 2019 Gary McDonald |
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb 
© 2020 David Greenberger 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb 
© 2024 Steve Conger 
© 2024 Ron Vanderhoff 
© 2019 Stacie Wolny |
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
© 2006 Steve Matson 
© 2024 Mike Russler 
© 2006 Steve Matson |
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub 
© 2014 Steve Matson 
© 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 |
|
Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb 
© 2023 R.A. Chasey 
© 2019 Abbot Chambers 
© 2019 Abbot Chambers |
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
© 2019 Diane Etchison 
© 2015 Jesse Rorabaugh 
© 2024 Ron Vanderhoff |
|
Spergularia villosa Hairy sand spurrey, Hairy sandspurry, Villous sand spurry
non-native
Perennial herb 
© 2021 Ron Vanderhoff 
© 2011 Toni Corelli 
© 2021 Ron Vanderhoff |
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Stellaria media Chickweed
non-native
Annual herb 
© 2018 Gary McDonald 
© 2018 Gary McDonald 
© 2015 Diane Etchison |
|
Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster
native
Perennial herb 
© 2019 David Greenberger 
© 2012 Ron Vanderhoff 
© 2018 John Game |
|
Stipa lepida Foothill needle grass
native
Perennial grass 
© 2017 Gary McDonald 
© 2023 Ron Vanderhoff 
© 2024 Mel Letterman |
|
Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass 
© 2022 Donald Burk 
© 2022 Ron Vanderhoff 
© 2022 Donald Burk |
|
Stipa pulchra Purple needle grass
native
Perennial grass 
© 2019 Michelle Karle 
© 2008 Zoya Akulova 
© 2019 Ron Vanderhoff |
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub 
© 2022 Dana York 
© 2020 Cara Wilcox 
© 2019 Ron Vanderhoff |
|
Thalictrum fendleri var. polycarpum Fendler's meadow rue, Meadow rue, Torrey's meadow rue
native
Perennial herb 
© 2017 Thomas Reyes 
© 2019 Patrick Furtado 
© 2020 Diane Etchison |
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
© 2020 Ron Vanderhoff 
© 2019 Randy Huey 
© 2025 Mike Russler |
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb 
© 2019 Julie dinsdale 
© 2015 David Wolfson 
© 2020 Martin Cooper |
|
Trifolium bifidum var. decipiens Notch leaf clover
native
Annual herb 
© 2022 R.A. Chasey 
© 2024 R.A. Chasey 
© 2021 Cameron Chabre |
|
Trifolium depauperatum var. truncatum Dwarf sack clover
native
Annual herb 
© 2021 Ron Vanderhoff 
© 2024 Ryan O'Dell 
© 2021 Ron Vanderhoff |
|
Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover
non-native
Annual herb 
© 2018 Stacie Wolny 
© 2022 Dana York 
© 2017 MCOSD EDRR |
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb 
© 2005 Steve Matson 
© 2016 Michael Mitchell 
© 2019 Ron Vanderhoff |
|
Trifolium willdenovii Tomcat clover
native
Annual herb 
© 2024 Steve Conger 
© 2024 Steve Conger 
© 2018 Stacie Wolny |
|
Triphysaria pusilla Dwarf owl's clover, Little owl's clover
native
Annual herb 
© 2018 Steve Matson 
© 2018 Steve Matson 
© 2018 Steve Matson |
|
Turritis glabra Tower rockcress
native
Perennial herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb 
© 2010 Steve Matson 
© 2010 Steve Matson 
© 2010 Steve Matson |
|
Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine 
© 2024 Mike Russler 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine 
© 2019 Gary McDonald 
© 2017 Gary McDonald  © 2006 Steve Matson |
|
Vinca major Greater periwinkle, Bigleaf periwinkle
• invasive non-native
Perennial herb 
© 2020 Julia Markey 
© 2022 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
