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Sweet Springs Nature Preserve
Sweet Springs Nature Preserve, Los Osos, San Luis Obispo County, California San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-08) | ||||||
| 157 PLANTS |
|
Abronia umbellata var. umbellata Beach sand verbena
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
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
|
|
Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass 
2023 Dana York
2023 Dana York
2022 John Rawlings
|
|
Amsinckia spectabilis var. microcarpa Small fruit seaside fiddleneck
native
Annual herb  1997 Christopher L. Christie
 1997 Christopher L. Christie
|
|
Anemopsis californica Yerba mansa
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Arctostaphylos morroensis Morro manzanita
• rare native
Shrub 
2020 David Greenberger
2020 David Greenberger
2020 David Greenberger
|
|
Arenaria paludicola Marsh sandwort
• rare native
Perennial herb  2011 CNPS, San Luis Obispo Chapter
 2013 Anuja Parikh and Nathan Gale
 2012 Chris Winchell
|
|
Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub 
2018 James Gonsman
2019 Aaron Echols
2018 Ron Vanderhoff
|
|
Arthrocnemum subterminale Parish's glasswort
native
Perennial herb 
2020 Sandy Leatherman
2021 Denise Defreese
2020 Ron Vanderhoff
|
|
Atriplex prostrata Fat-hen
non-native
Annual herb 
2015 Alice Cummings
2023 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Atriplex watsonii Matscale, Watson's saltbush
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2016 Keir Morse
|
|
Baccharis glutinosa Douglas' baccharis, Salt marsh baccharis
native
Perennial herb 
2020 Patrick Furtado
2019 Julian Geoghegan
2020 Rebecca Schoenenberger
|
|
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
|
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Blitum californicum 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 catharticus var. catharticus Rescue grass
non-native
Annual, Perennial grass 
2019 John Rawlings
2023 Jacob Smith
2023 Jacob Smith
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup
native
Annual herb 
2015 Diane Etchison
2011 Michael Mitchell
2015 Diane Etchison
|
|
Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose
native
Annual, Perennial herb 
2016 Steve Matson
2016 Steve Matson
2006 Steve Matson
|
|
Camissoniopsis micrantha Spencer primrose
native
Annual herb 
2021 Ken-ichi Ueda
2021 Ken-ichi Ueda
2023 Julia Markey
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
2008 Steve Matson
2019 Cynthia Powell
2022 Doug Allshouse
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Cardionema ramosissimum Sand mat, Sandcarpet
native
Perennial herb 
2023 Ron Vanderhoff
2015 Michael Mitchell
2019 John Rawlings
|
|
Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb 
2020 Ken Hickman
2020 John Rawlings
2020 Steve Matson
|
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb 
2021 Michelle Karle
2017 Lisa Miller
2018 Cynthia Powell
|
|
Ceanothus cuneatus var. fascicularis Sand buck brush, Sedgeleaf buckbrush
• rare native
Shrub 
2020 David Greenberger
2012 Neal Kramer
2022 Cynthia Powell
|
|
Cenchrus clandestinus Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2017 Josh Nuzzo
|
|
Chenopodiastrum murale Small Tree-Mallow
|
|
Chloropyron maritimum ssp. maritimum Salt marsh bird's-beak
• rare native
Annual herb 
2018 Ron Vanderhoff
2020 Ron Vanderhoff
2019 Bonnie Nickel
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
2017 James Bailey
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb 
2022 Ron Vanderhoff
2017 Gary McDonald
2017 Gary McDonald
|
|
Claytonia perfoliata ssp. mexicana Southern miner's lettuce
native
Annual herb 
2021 John Rawlings
2014 David popp
2002 Dean Wm. Taylor
|
|
Conicosia pugioniformis False ice plant, Narrow leaved iceplant
• invasive non-native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
2019 James Bailey
2013 Toni Corelli
2016 Cynthia Powell
|
|
Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb 
2023 Mike Russler
2022 Ron Vanderhoff
2023 Mike Russler
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2018 Adam Chasey
|
|
Crocanthemum scoparium peak rush-rose, broom rush-rose
native
Shrub 
2020 Stacie Wolny
2020 Stacie Wolny
2020 Stacie Wolny
|
|
Croton californicus California croton, Desert croton
native
Perennial herb 
2022 Dianne Lake
2022 Aaron Echols
2022 Aaron Echols
|
|
Cyperus niger Black cyperus, Black flatsedge, Brown cyperus
native
Perennial grasslike herb 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Descurainia pinnata ssp. brachycarpa Western tansymustard
native
Annual herb 
2011 Gerald D. Carr
2011 Gerald D. Carr
2011 Gerald D. Carr
|
|
Dimorphotheca ecklonis Blue & white daisybush
non-native
Perennial herb 
2019 Dean Taylor
2018 David Wolfson
2020 Nathan Taxel
|
|
Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower
native
Shrub 
2023 Bill Kress
2019 Stacie Wolny
2019 Gary McDonald
|
|
Dudleya caespitosa Coast dudleya, Sand lettuce
native
Perennial herb 
2022 Mary Conway
2022 Mary Conway
2022 Cynthia Powell
|
|
Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass 
2020 David Greenberger
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Ehrharta erecta Panic veldtgrass, Upright veldt grass
• invasive non-native
Perennial grass 
2023 Rachel Suding
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Eichhornia crassipes Common water hyacinth
• invasive non-native
Perennial herb 
2015 Judy and Barry Breckling
2018 Rachelle Gray
2020 Ron Vanderhoff
|
|
Elymus condensatus Giant wild rye
native
Perennial grass 
2020 Ron Vanderhoff
2022 John Rawlings
2020 Diane Etchison
|
|
Elymus pacificus Pacific wild rye
native
Perennial grass 
2010 Toni Corelli
2014 Eric Wrubel
2010 Robert Steers/NPS
|
|
Elymus triticoides Beardless wild rye
native
Perennial grass 
2018 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Rachelle Gray
|
|
Ericameria ericoides California goldenbush, Mock heather
native
Shrub 
2021 Mike Russler
2021 Suzanne L. Weakley
2021 Mike Russler
|
|
Erigeron blochmaniae Blochman's erigeron, Blochman's leafy daisy
• rare native
Perennial herb (rhizomatous)  2003 Christopher L. Christie
 2010 Chris Winchell
|
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub 
2023 Ron Vanderhoff
2021 Jacob Martin
2022 Ron Vanderhoff
|
|
Erigeron glaucus Seaside daisy, Seaside fleabane
native
Perennial herb 
2023 Toni Corelli
2019 James Gonsman
2018 Asa B Spade
|
|
Eriogonum fasciculatum var. fasciculatum California buckwheat, Eastern mojave buckwheat
native
Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
2013 James Gonsman
2020 Mary Conway
2020 Ron Vanderhoff
|
|
Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower
native
Perennial herb 
2020 Susan McDougall
2014 James Gonsman
2019 Mary Conway
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
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
|
|
Erysimum suffrutescens Suffrutescent wallflower
• rare native
Perennial herb 
2020 David Greenberger
2013 Debra L. Cook
2014 Neal Kramer
|
|
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
|
|
Extriplex joaquinana San Joaquin spearscale
• rare native
Annual herb 
2021 Suzanne L. Weakley
2022 Charles Russell
2017 Marco Siragusa
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
2022 Cynthia Powell
2020 Robert Steers
2017 MCOSD EDRR
|
|
Festuca bromoides Brome fescue
non-native
Annual grass 
2022 Diana Wahl
2021 Toni Corelli
2021 David popp
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass 
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Festuca temulenta Darnel, tares
non-native
Annual grass 
2016 Spade Natural Resources Consulting
2020 David popp
2019 Stephany Dery
|
|
Frankenia salina Alkali heath, Alkali seaheath, Yerba reuma, alkali heath
native
Perennial herb 
2019 Patrick Furtado
2021 Cynthia Powell
2020 Ron Vanderhoff
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
2020 Ron Vanderhoff
2005 Steve Matson
2020 Ron Vanderhoff
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Julia Larke
|
|
Galium trifidum ssp. columbianum Threepetal bedstraw
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
2021 Al Keuter
2023 Ron Vanderhoff
2014 Bryan Derr
|
|
Geranium rotundifolium Round leaved geranium, Roundleaf geranium
non-native
Annual herb 
2017 James Bailey
2009 Dean Wm. Taylor
2017 James Bailey
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
2016 Hayley Ross
2019 Rachelle Gray
2012 Elizabeth Brusati
|
|
Hesperocyparis macrocarpa Monterey cypress
native
Tree 
2019 Patrick Furtado
2019 Susan McDougall
2019 Cynthia Powell
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub 
2015 James Gonsman
2017 Gary McDonald
2017 Gary McDonald
|
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Ron Vanderhoff
|
|
Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass
• invasive non-native
Perennial grass 
2019 Bill Haley
2019 Bill Haley
2019 Bill Haley
|
|
Hordeum depressum Alkali barley, Dwarf barley, Low barley
native
Annual grass 
2017 Steve Matson
2017 Steve Matson
2017 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
|
|
Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort
native
Perennial herb 
2019 R.A. Chasey
2023 R.A. Chasey
2017 Michael Mitchell
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2017 Gary McDonald
2019 Ron Vanderhoff
|
|
Isocoma menziesii var. vernonioides Coastal goldenbush, Green leaved dune goldenbush, Menzies' goldenbush
native
Shrub 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Isolepis cernua Low bulrush
native
Annual grasslike herb 
2021 R.A. Chasey
2023 R.A. Chasey
2018 Ron Vanderhoff
|
|
Jaumea carnosa Fleshy jaumea, Marsh jaumea
native
Perennial herb 
2020 Ron Vanderhoff
2018 Angelique Herman
2020 R.A. Chasey
|
|
Juncus acutus ssp. leopoldii Leopold's rush, Southwestern spiny rush, Wire grass
• rare native
Perennial grasslike herb (rhizomatous) 
2018 Ron Vanderhoff
2019 Susan McDougall
2021 Ron Vanderhoff
|
|
Juncus effusus ssp. pacificus Pacific rush
native
Perennial grasslike herb 
2009 Toni Corelli
2021 R.A. Chasey
2021 John Rawlings
|
|
Juncus lescurii Dune rush
native
Perennial grasslike herb 
2008 Toni Corelli
2008 Toni Corelli
2008 Toni Corelli
|
|
Lasthenia glabrata ssp. coulteri Coulter goldfields, Coulter's goldfields, Goldfields
• rare native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Lemna minor Smaller duckweed
native
Perennial herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Leptosyne gigantea Giant coreopsis
native
Shrub 
2020 David Greenberger
2017 David Wolfson
2006 Steve Matson
|
|
Limonium californicum California sealavender, Marsh rosemary, Sea lavender
native
Perennial herb 
2018 Saskia Raether
2010 Jorg Fleige & Mimi Fleige
2017 MCOSD EDRR
|
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb 
2016 Michael Mitchell
2016 Michael Mitchell
2019 Patrick Furtado
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub 
2019 Stacie Wolny
2019 Stacie Wolny
2021 Bryant Baker
|
|
Lupinus arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub 
2019 Patrick Furtado
2014 Steve Matson
2020 Steve Matson
|
|
Lupinus chamissonis Beach blue lupine, Chamisso bush lupine, Dune bush lupine
native
Shrub 
2020 Susan McDougall
2022 Mike Russler
2021 Cara Wilcox
|
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb 
2023 Andy Ford
2018 Stacie Wolny
2018 Stacie Wolny
|
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 
2017 B.J. Dion
2022 Chris McDonald
2023 Ron Vanderhoff
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
2022 Mike Russler
2022 Donald Burk
2022 Mike Russler
|
|
non-native
Annual, Biennial herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Marah fabacea California man-root
native
Perennial herb, Vine 
2018 Gary McDonald
2018 MCOSD EDRR
2021 Cyril Guyot
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald
|
|
Morella californica California wax myrtle
native
Tree, Shrub 
2019 Michelle Karle
2020 Kim Cabera
2020 Susan McDougall
|
|
Myoporum laetum Lollypop tree, Ngaio tree
• invasive non-native
Tree, Shrub 
2018 Ron Vanderhoff
2017 James Bailey
2022 Ron Vanderhoff
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic) 
2019 Patrick Furtado
2019 Diane Etchison
2012 Steve Matson
|
|
Oenanthe sarmentosa Pacific oenanthe, Water parsley
native
Perennial herb 
2021 Don Hollander
2021 Ron Vanderhoff
2021 Rosaleen
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
2015 Richard Chasey
2017 Angelique Herman
2019 Gary McDonald
|
|
Parapholis incurva Curved sicklegrass, Sickle grass
non-native
Annual grass 
2022 R.A. Chasey
2021 Cynthia Powell
2022 Ron Vanderhoff
|
|
Persicaria punctata Dotted smartweed
native
Perennial herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2022 Helen Hancock
|
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2022 Ron Vanderhoff
|
|
Phacelia ramosissima Branching phacelia
native
Perennial herb 
2005 Steve Matson
2022 Rosalind Helfand
2020 Ron Vanderhoff
|
|
Pinus radiata Monterey pine
native
Tree 
2011 Toni Corelli
2012 Michael Mitchell
2012 Michael Mitchell
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Joe Engelbrecht
2021 Ken Lunders
|
|
Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain
native
Perennial herb 
2019 Patrick Furtado
2022 Dianne Lake
2009 Toni Corelli
|
|
Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed
native
Perennial herb 
2022 R.A. Chasey
2021 Charles Russell
2022 R.A. Chasey
|
|
Pseudognaphalium ramosissimum Pink cudweed
native
Annual, Biennial herb 
2021 R.A. Chasey
2021 R.A. Chasey
2017 Gary McDonald
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2005 Steve Matson
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree 
2023 Ron Vanderhoff
2022 Ron Vanderhoff
2021 Al Keuter
|
|
Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb 
2017 Lisa Miller
2020 Ron Vanderhoff
2023 Julia Markey
|
|
Rosa californica California wild rose, California wildrose
native
Shrub 
2022 Suzanne L. Weakley
2022 Suzanne L. Weakley
2020 R.A. Chasey
|
|
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
|
|
Salicornia pacifica Glasswort, Pacific swampfire, Pickleweed
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
2022 Ron Vanderhoff
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
|
|
Schoenoplectus americanus Chairmaker's bulrush
native
Perennial grasslike herb 
2021 Ron Vanderhoff
2016 Joan Hampton
2020 Ron Vanderhoff
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb 
2022 Doug Allshouse
2008 Steve Matson
2013 Ron Vanderhoff
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb 
2021 Ann Garside
2022 Julian Geoghegan
2021 Ron Vanderhoff
|
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Soleirolia soleirolii Baby's tears, Mother of thousands
non-native
Annual herb 
2020 Ron Vanderhoff
2021 Donald Burk
2020 Ron Vanderhoff
|
|
Solidago confinis Southern goldenrod
native
Perennial herb 
2022 Ryan O'Dell
2003 Christopher L. Christie
2014 Neal Kramer
|
|
Spergula arvensis Corn spurry
non-native
Annual herb 
2019 Diane Etchison
2020 Mary Conway
2022 Cynthia Powell
|
|
Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry
native
Perennial herb  2008 Steve Matson
|
|
Stachys chamissonis Coast hedge nettle, Coastal hedgenettle
native
Perennial herb 
2021 David Wolfson
2021 Toni Corelli
2013 James Gonsman
|
|
Stellaria media Chickweed
non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2015 Diane Etchison
|
|
Stephanomeria elata Annual mitra, Santa barbara stephanomeria, Santa barbara wirelettuce
native
Annual herb 
2019 David Greenberger
2018 Julian Geoghegan
2021 Helen Hancock
|
|
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce
native
Annual herb 
2021 Helen Hancock
2021 Helen Hancock
2018 Richard Spjut
|
|
Stipa lepida Foothill needle grass
native
Perennial grass 
2017 Gary McDonald
2023 Ron Vanderhoff
2017 Gary McDonald
|
|
Suaeda californica California seablite
• rare native
Shrub 
2022 Cynthia Powell
2020 R.A. Chasey
2020 R.A. Chasey
|
|
Tetragonia tetragonoides New zealand spinach
non-native
Annual herb 
2021 Michelle Karle
2021 Michelle Karle
2023 R.A. Chasey
|
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
2020 Ron Vanderhoff
2019 Randy Huey
2021 Bryant Baker
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb 
2005 Steve Matson
2016 Michael Mitchell
2019 Ron Vanderhoff
|
|
Trifolium wormskioldii Coast clover, Cow clover, Cows clover
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Triglochin concinna var. concinna Arrow grass
native
Perennial herb (aquatic) 
2021 Ken-ichi Ueda
2021 Ken-ichi Ueda
2021 Ken-ichi Ueda
|
|
Tropaeolum majus Garden nasturtium, Nasturtium
• invasive non-native
Annual herb, Vine 
2021 Julie A. Kierstead
2024 Mike Russler
2022 Ron Vanderhoff
|
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Veronica americana American brooklime, American speedwell, Brooklime
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Vicia gigantea Giant vetch
native
Perennial herb 
2021 Dana York
2019 Cynthia Powell
2013 James Gonsman
|
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb 
2020 Julia Markey
2022 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Zostera marina Eel grass, Eelgrass, Seawrack
native
Perennial herb 
2021 Michelle Karle
2021 Ron Vanderhoff
2013 Ron Vanderhoff
|
