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South Hills Open Space
South Hills Open Space, San Luis Obispo, San Luis Obispo County, California San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-08) | ||||||
| 182 PLANTS |
|
Achillea millefolium Common yarrow
native
Perennial herb 
© 2022 Andy Ford 
© 2020 Bob Sweatt 
© 2018 Gary McDonald |
|
Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus
native
Annual herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Acmispon glaber var. glaber Deerweed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Acmispon strigosus Strigose lotus
native
Annual herb 
© 2016 Steve Matson 
© 2009 Steve Matson 
© 2016 Steve Matson |
|
Acmispon wrangelianus Wrangel lotus
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb 
© 2007 Gerald Carr 
© 2007 Gerald Carr 
© 2012 Michael Mitchell |
|
Allium haematochiton Red skinned onion, Redskin onion
native
Perennial herb (bulb) 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Allium lacunosum var. lacunosum Pitted onion
native
Perennial herb (bulb) 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2018 Gary McDonald 
© 2018 Gary McDonald |
|
Aristida adscensionis Six weeks three awn, Sixweeks threeawn
native
Annual grass 
© 2023 Keir Morse 
© 2023 Keir Morse 
© 2016 James Bailey |
|
Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub 
© 2018 James Gonsman 
© 2019 Aaron Echols 
© 2018 Ron Vanderhoff |
|
Asclepias fascicularis Narrow leaf milkweed
native
Perennial herb 
© 2010 Steve Matson 
© 2010 Steve Matson 
© 2014 Steve Matson |
|
Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb 
© 2021 Joel A. Germond, Psy.D. 
© 2020 David Greenberger 
© 2020 David Greenberger |
|
Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch
• rare native
Annual herb  © 2012 Steve Matson  © 2012 Steve Matson  © 2014 Chris Winchellll |
|
Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed
native
Annual herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2022 Mike Russler |
|
Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
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 Matt Berger |
|
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 |
|
Brachypodium hybridum Small Tree-Mallow
|
|
Brassica tournefortii Saharan mustard
• invasive non-native
Annual herb 
© 2023 Julia Markey 
© 2018 Jeffrey Black 
© 2021 Ron Vanderhoff |
|
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 |
|
Calandrinia menziesii red maids, Calandrinia
native
Annual herb 
© 2021 Mary Ann Machi 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Calochortus argillosus Clay mariposa lily
native
Perennial herb (bulb) 
© 2023 Linda Brodman 
© 2022 Suzanne L. Weakley 
© 2022 Suzanne L. Weakley |
|
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 |
|
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) 
© 2019 David Greenberger 
© 2021 Kristen Nelson 
© 2018 Adonis Tate |
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
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 
© 2023 Diana Wahl 
© 2023 Ron Vanderhoff |
|
Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb 
© 2020 Ken Hickman 
© 2020 John Rawlings 
© 2020 Steve Matson |
|
Carex serratodens Bifid sedge, Two tooth sedge
native
Perennial grasslike herb 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2021 Cynthia Powell |
|
Cenchrus longisetus Feathertop
• invasive non-native
Perennial grass 
© 2018 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2021 Julian Geoghegan |
|
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 |
|
Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb 
© 2022 Cynthia Powell 
© 2019 Arlee Montalvo 
© 2022 Mary Herr |
|
Chenopodiastrum murale Small Tree-Mallow
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb 
© 2022 Ron Vanderhoff 
© 2014 Toni Corelli 
© 2022 Ron Vanderhoff |
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb 
© 2021 Sue Graue 
© 2015 Sharon King & Randy Aeschliman 
© 2023 Ron Vanderhoff |
|
Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
• rare native
Annual herb 
© 2020 David Greenberger 
© 2020 David Greenberger 
© 2023 Mike Russler |
|
Chorizanthe palmeri Palmer's spineflower
• rare native
Annual herb 
© 2019 David Greenberger 
© 2012 Terrence Gosliner 
© 2023 Mike Russler |
|
Cirsium fontinale var. obispoense Chorro creek bog thistle
• rare native
Perennial herb 
© 2017 Cindy Roessler 
© 2015 David Wolfson 
© 2020 David Greenberger |
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
© 2017 James Bailey 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
|
Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb 
© 2023 Ron Vanderhoff 
© 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 |
|
Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine 
© 2022 Steve Matson 
© 2021 Ron Vanderhoff 
© 2022 Steve Matson |
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
© 2022 Mike Russler 
© 2018 Ron Vanderhoff 
© 2019 Diane Etchison |
|
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 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2014 Richard Chasey |
|
Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb 
© 2020 David Greenberger 
© 2024 Ron Vanderhoff 
© 2023 Ken-ichi Ueda |
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
© 2021 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Deinandra fasciculata Clustered tarweed
native
Annual herb 
© 2022 David Strauch 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Delphinium parryi ssp. eastwoodiae Eastwood's larkspur
• rare native
Perennial herb 
© 2023 Mike Russler 
© 2023 Mike Russler 
© 2023 Mike Russler |
|
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 |
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass 
© 2020 Matt Berger 
© 2019 Ron Vanderhoff 
© 2022 Donald Burk |
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb 
© 2023 Mike Russler 
© 2023 Mike Russler 
© 2023 Mike Russler |
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2003 Steve Matson |
|
Elymus condensatus Giant wild rye
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2024 Mel Letterman 
© 2020 Diane Etchison |
|
Elymus multisetus Big squirreltail grass
native
Perennial grass 
© 2019 Ron Vanderhoff 
© 2023 Helen Hancock 
© 2021 Denise Defreese |
|
Encelia californica Bush sunflower, California brittlebush, California encelia
native
Shrub 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
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 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb 
© 2017 Ron Vanderhoff 
© 2019 Aaron Echols 
© 2021 Mike Russler |
|
Eriogonum fasciculatum var. foliolosum California buckwheat, Eastern mojave buckwheat, Red topped buckwheat
native
Shrub 
© 2016 Michael Mitchell 
© 2015 Michael Mitchell 
© 2015 Michael Mitchell |
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
© 2023 Ryan O'Dell 
© 2013 James Gonsman 
© 2020 Ron Vanderhoff |
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
© 2022 Steve Matson 
© 2008 Steve Matson 
© 2022 Steve Matson |
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
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 |
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb 
© 2021 R.A. Chasey 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
© 2022 Cynthia Powell 
© 2020 Robert Steers 
© 2017 MCOSD EDRR |
|
Festuca microstachys Small fescue
native
Annual grass 
© 2011 Steve Matson 
© 2024 Emily R. Allen 
© 2011 Steve Matson |
|
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 Nicole Leatherman 
© 2019 Ron Vanderhoff 
© 2018 Henry DiRocco |
|
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 |
|
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 
© 2021 Mary Conway |
|
Hedypnois rhagadioloides Crete weed
non-native
Annual herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
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 
© 2022 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 |
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Ron Vanderhoff |
|
Hordeum brachyantherum ssp. brachyantherum Meadow barley
native
Perennial grass 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass 
© 2022 Ron Vanderhoff 
© 2021 Al Keuter 
© 2021 Ron Vanderhoff |
|
Isolepis cernua Low bulrush
native
Annual grasslike herb 
© 2021 R.A. Chasey 
© 2023 R.A. Chasey 
© 2018 Ron Vanderhoff |
|
Juncus balticus ssp. ater Baltic rush
native
Perennial grasslike herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 
© 2021 John Rawlings 
© 2023 R.A. Chasey 
© 2019 Ron Vanderhoff |
|
Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb 
© 2019 Dee Shea Himes 
© 2024 R.A. Chasey 
© 2019 John Rawlings |
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass 
© 2015 Steve Matson 
© 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 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Lamarckia aurea Goldentop grass
non-native
Annual grass 
© 2017 B.J. Dion 
© 2019 Ron Vanderhoff 
© 2015 James Gonsman |
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb 
© 2023 Steve Conger 
© 2022 Charles Russell 
© 2015 Chris Jaster |
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb 
© 2021 Steve Matson 
© 2016 Steve Matson 
© 2021 Steve Matson |
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb 
© 2022 Ron Vanderhoff 
© 2022 Jim Xerogeanes 
© 2022 Ron Vanderhoff |
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb 
© 2008 Keir Morse 
© 2008 Keir Morse 
© 2008 Keir Morse |
|
Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
• rare native
Perennial herb 
© 2020 David Greenberger 
© 2023 Mike Russler 
© 2021 Patrick Furtado |
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2015 James Gonsman |
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb 
© 2005 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb 
© 2023 Andy Ford 
© 2018 Stacie Wolny 
© 2018 Stacie Wolny |
|
Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine
native
Annual herb 
© 2023 Caitlin Kreutz 
© 2023 Connor O'Hara-Baker 
© 2010 Michael Mitchell |
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 
© 2017 B.J. Dion 
© 2022 Chris McDonald 
© 2023 Ron Vanderhoff |
|
Lythrum californicum California loosestrife, Common loosestrife
native
Perennial herb 
© 2017 Fred Melgert / Carla Hoegen 
© 2024 Ken-ichi Ueda 
© 2023 Ryan O'Dell |
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
© 2022 Mike Russler 
© 2022 Donald Burk 
© 2022 Mike Russler |
|
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 |
|
Melilotus indicus Annual yellow sweetclover, Sourclover
non-native
Annual herb 
© 2019 Randy Huey 
© 2019 Randy Huey 
© 2017 Rosalie Benitez |
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb 
© 2022 Helen Hancock 
© 2019 Diane Renshaw 
© 2022 Helen Hancock |
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub 
© 2019 Jean B Henney 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
© 2015 Richard Chasey 
© 2017 Angelique Herman 
© 2019 Gary McDonald |
|
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 |
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass 
© 2024 Michael Chasse 
© 2021 Lenihan Mazur 
© 2024 John Rawlings |
|
Phoenix canariensis Canary island date palm
• invasive non-native
Tree 
© 2020 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2021 James Bailey |
|
Phyla nodiflora Common lippia, Lippia, Turkey tangle frogfruit
native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2009 Ron Vanderhoff 
© 2022 Donald Burk |
|
Pickeringia montana var. montana Montana chaparral pea
native
Shrub 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
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 
© 2017 Gary McDonald 
© 2019 Joe Engelbrecht 
© 2021 Ken Lunders |
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb 
© 2017 Nathanial Wigington 
© 2022 John L. Thompson 
© 2022 John L. Thompson |
|
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 |
|
Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp
non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb 
© 2023 Ron Vanderhoff 
© 2023 Cynthia Powell 
© 2021 Ron Vanderhoff |
|
Polypodium californicum California polypody
native
Fern 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2023 Keir Morse |
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
© 2008 Steve Matson 
© 2014 Steve Matson 
© 2008 Steve Matson |
|
Primula clevelandii var. patulum Padre's shooting star
native
Perennial herb 
© 2006 Steve Matson 
© 2022 David popp 
© 2020 Aaron Echols |
|
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 
© 2021 Ron Vanderhoff |
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2005 Steve Matson |
|
Pyracantha koidzumii Taiwan firethorn
non-native
Shrub 
© 2018 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree 
© 2023 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2021 Al Keuter |
|
Ranunculus californicus California buttercup
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb 
© 2017 Lisa Miller 
© 2020 Ron Vanderhoff 
© 2023 Julia Markey |
|
Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
© 2014 James Gonsman 
© 2018 Richard Spjut 
© 2013 Michael Mitchell |
|
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 |
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Rumex kerneri Kerner's dock
non-native
Perennial herb 
© 2024 Donald Burk 
© 2023 Donald Burk 
© 2024 Donald Burk |
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Rumex pulcher Fiddle dock
non-native
Perennial herb 
© 2020 Ryan Carle 
© 2022 Chris McDonald 
© 2021 David popp |
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Salvia columbariae Chia sage
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2022 Mike Russler 
© 2022 Mike Russler |
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Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
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Sanicula maritima Adobe sanicle, Adobe snakeroot
• rare native
Perennial herb 
© 2019 David Wolfson 
© 2021 Kristen Nelson 
© 2021 Kristen Nelson |
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Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree 
© 2021 stephen rosenthal 
© 2017 William McCarey 
© 2023 Ron Vanderhoff |
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Schoenoplectus pungens var. longispicatus Common threesquare
native
Perennial grasslike herb  © 2008 Steve Matson  © 2008 Steve Matson 
© 2022 R.A. Chasey |
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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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Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb 
© 2017 Barbara Boethling 
© 2023 Ron Vanderhoff 
© 2021 Toni Corelli |
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Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous) 
© 2020 David Greenberger 
© 2021 Maria Stokes 
© 2021 Heather Brady DeQuincy |
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Silene gallica Common catchfly, Windmill pink
non-native
Annual herb 
© 2019 Mary Wloch 
© 2017 Gary McDonald 
© 2019 Gary McDonald |
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Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
© 2014 Gary McDonald 
© 2022 Ron Vanderhoff 
© 2014 Gary McDonald |
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Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
© 2019 Diane Etchison 
© 2015 Jesse Rorabaugh 
© 2024 Ron Vanderhoff |
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
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Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle
native
Perennial herb 
© 2021 Mike Russler 
© 2014 James Gonsman 
© 2023 Mike Russler |
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Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
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Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb 
© 2024 Dana York 
© 2022 Catherine Chang 
© 2020 Ken Hickman |
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Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster
native
Perennial herb 
© 2019 David Greenberger 
© 2012 Ron Vanderhoff 
© 2018 John Game |
|
Stephanomeria exigua ssp. carotifera White plume stephanomeria, Whiteplume wirelettuce
native
Perennial herb 
© 2018 Mary Conway 
© 2018 Mary Conway 
© 2018 Mary Conway |
|
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce
native
Annual herb 
© 2021 Helen Hancock 
© 2021 Helen Hancock 
© 2018 Richard Spjut |
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Stipa lepida Foothill needle grass
native
Perennial grass 
© 2017 Gary McDonald 
© 2023 Ron Vanderhoff 
© 2024 Mel Letterman |
|
Stipa pulchra Purple needle grass
native
Perennial grass 
© 2019 Michelle Karle 
© 2008 Zoya Akulova 
© 2019 Ron Vanderhoff |
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Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb 
© 2003 Keir Morse 
© 2020 Stacie Wolny 
© 2021 Bryant Baker |
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Streptanthus lasiophyllus Small Tree-Mallow
|
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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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Thysanocarpus curvipes ssp. curvipes Fringe Pod
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
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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 
© 2024 Carissa Brands 
© 2024 Mary Conway 
© 2024 Lynn Overtree |
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb 
© 2019 Julie dinsdale 
© 2015 David Wolfson 
© 2020 Martin Cooper |
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2022 Dana York |
|
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 
© 2007 Toni Corelli 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  © 2006 Steve Matson 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
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Xanthium strumarium Rough cockleburr
native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |