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Laguna Lake Park and Open Space
San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-07) | ||||||
| 352 PLANTS |
|
Achillea millefolium Common yarrow
native
Perennial herb 
2022 Andy Ford
2020 Bob Sweatt
2018 Gary McDonald
|
|
Achyrachaena mollis Blow-Wives
native
Annual herb 
2015 Diane Etchison
2022 Mike Russler
2022 Mike Russler
|
|
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 brachycarpus hill lotus
native
Annual herb 
2005 Steve Matson
2005 Steve Matson
2018 Steve Matson
|
|
Acmispon junceus var. junceus Rush lotus
native
Perennial herb 
2016 John Doyen
2016 John Doyen
2016 John Doyen
|
|
Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb 
2020 Ron Vanderhoff
2023 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Acmispon strigosus Strigose lotus
native
Annual herb 
2016 Steve Matson
2009 Steve Matson
2016 Steve Matson
|
|
Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass 
2022 Teal Derrer
2021 David popp
2022 John Rawlings
|
|
Alisma triviale Northern water plantain
native
Perennial herb (aquatic) 
2023 Ken-ichi Ueda
2022 R.A. Chasey
2019 Gena Bentall
|
|
Allium lacunosum var. lacunosum Pitted onion
native
Perennial herb (bulb) 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2018 Ron Vanderhoff
|
|
Amaranthus blitoides Mat amaranth, Prostrate amaranth, Prostrate pigweed
native
Annual herb 
2020 Ron Vanderhoff
2023 Helen Hancock
2019 Camille Nowell
|
|
Amaranthus deflexus Amaranth, Large fruited amaranth, Largefruit amaranth
non-native
Annual herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Amaranthus hybridus Slender pigweed, Slim amaranth
non-native
Annual herb 
2016 Jean Pawek
2016 Jean Pawek
2016 Jean Pawek
|
|
Amaranthus powellii Powell's amaranth
native
Annual herb 
2022 Donald Burk
2019 David popp
2015 Keir Morse
|
|
Ambrosia acanthicarpa Annual bursage, Annual burweed
native
Annual herb 
2009 Steve Matson
2009 Steve Matson
2013 Steve Matson
|
|
Ambrosia psilostachya Ragweed, Western ragweed
native
Perennial herb 
2021 Mary Ann Machi
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Amsinckia intermedia Common fiddleneck
native
Annual herb 
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb 
2017 Diane Etchison
2019 Nathan Taxel
2019 Dave Beller
|
|
Apiastrum angustifolium Mock parsley, Wild celery, Wild parsley
native
Annual herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
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
|
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb 
2022 Ron Vanderhoff
2016 Glen Schneider
2021 Mike Russler
|
|
Asclepias fascicularis Narrow leaf milkweed
native
Perennial herb 
2018 Ron Vanderhoff
2014 Steve Matson
2019 Ron Vanderhoff
|
|
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 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
|
|
Atriplex prostrata Fat-hen
non-native
Annual herb 
2015 Alice Cummings
2023 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Atriplex semibaccata Australian saltbush
• invasive non-native
Perennial herb 
2015 James Bailey
2021 David Wolfson
2020 Ron Vanderhoff
|
|
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
|
|
Azolla filiculoides American water fern, mosquito fern, Mosquito fern, Pacific mosquitofern
native
Fern 
2020 Ron Vanderhoff
2023 R.A. Chasey
2021 Zoya Akulova-Barlow
|
|
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
|
|
Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat
native
Shrub 
2023 Julia Markey
2020 Aaron Echols
2023 Julia Markey
|
|
Bellardia trixago Mediterranean lineseed
• invasive non-native
Annual herb 
2016 Michael Mitchell
2016 Michael Mitchell
2015 jamie smith
|
|
Bidens pilosa Hairy beggarticks
non-native
Annual herb 
2021 Ron Vanderhoff
2018 Ron Vanderhoff
2020 David Wolfson
|
|
Bloomeria crocea var. aurea Common goldenstar
native
Perennial herb 
2019 David Greenberger
2020 Kimberly Coates
2018 Gary McDonald
|
|
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush
native
Perennial grasslike herb 
2022 R.A. Chasey
2020 R.A. Chasey
2020 Alice Cummings
|
|
Brachypodium hybridum Small Tree-Mallow
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb 
2021 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
2024 David Wolfson
2021 Diane Etchison
2018 Angelique Herman
|
|
Bromus berteroanus Chilean chess
non-native
Annual grass 
2023 John Rawlings
2006 Steve Matson
2006 Steve Matson
|
|
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
|
|
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 [Calandrinia ciliata] Small Tree-Mallow
|
|
Calibrachoa parviflora Wild petunia
native
Annual herb 
2017 Ron Vanderhoff
2020 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Calochortus argillosus Clay mariposa lily
native
Perennial herb (bulb) 
2016 Daniel Neal
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
|
|
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
2017 Gary McDonald
|
|
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
|
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb 
2021 Michelle Karle
2017 Lisa Miller
2018 Cynthia Powell
|
|
Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb 
2024 Kyle Suchy
2023 Kyle Suchy
2024 Kyle Suchy
|
|
Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush
native
Annual herb 
2023 Rhonda Allen
2019 Ron Vanderhoff
2019 Matt Berger
|
|
Cenchrus clandestinus Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2017 Josh Nuzzo
|
|
Cenchrus longisetus Feathertop
• invasive non-native
Perennial grass 
2018 Ron Vanderhoff
2023 Ron Vanderhoff
2021 Julian Geoghegan
|
|
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
|
|
Centromadia parryi ssp. congdonii Congdon's tarplant
• rare native
Annual herb 
2013 Toni Corelli
2023 Jordan Collins
2021 Michele Hammond
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 R.A. Chasey
|
|
Chenopodiastrum murale [Chenopodium 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
2018 Karen Scheuermann
|
|
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
|
|
Cichorium intybus Chicory
non-native
Perennial herb 
2020 Bob Sweatt
2022 David Strauch
2019 Diane Etchison
|
|
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
|
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Collinsia heterophylla Purple chinese houses
native
Annual herb 
2022 Mary Ann Machi
2019 David Greenberger
2019 Ron Vanderhoff
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
2019 James Bailey
2013 Toni Corelli
2016 Cynthia Powell
|
|
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
|
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub 
2019 David Greenberger
2018 Lynn Overtree
2020 Susan McDougall
|
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass 
2018 Ramona Robison
2021 Michelle Karle
2022 Michelle Karle
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2018 Adam Chasey
|
|
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
|
|
Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass
non-native
Annual grass 
2023 Ron Vanderhoff
2018 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb 
2020 David Greenberger
2020 Ryan Carle
2023 Ken-ichi Ueda
|
|
Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder
native
Annual herb, Vine (parasitic) 
2021 R.A. Chasey
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cuscuta campestris Field dodder
native
Annual herb, Vine (parasitic) 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2022 Brad Cook
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb 
2016 Joan Hampton
2021 Ken Lunders
2014 James Gonsman
|
|
Cyperus involucratus Umbrella plant, Unbrella plant
non-native
Perennial grasslike herb 
2018 Rachelle Gray
2020 Martin Lemon
2018 Jennifer Mo
|
|
Danthonia californica California oatgrass
native
Perennial grass 
2020 Sara Timby
2007 Steve Matson
2002 Bart and Susan Eisenberg
|
|
Datura stramonium Jimson weed, Jimsonweed
non-native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2020 Ron Vanderhoff
|
|
Deinandra fasciculata Clustered tarweed
native
Annual herb 
2022 David Strauch
2017 Steve Matson
2017 Steve Matson
|
|
Deinandra increscens ssp. increscens Grassland tarweed
native
Annual herb  2011 George Williams
 2003 Lynn Watson
|
|
Delphinium parryi ssp. eastwoodiae Eastwood's larkspur
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass 
2019 Paul Aigner
2003 Steve Matson
2018 Emily Allen
|
|
Dichondra micrantha Asian ponysfoot
non-native
Perennial herb 
2023 Ron Vanderhoff
2012 Dean Wm. Taylor, Ph.D.
2012 Dean Wm. Taylor, Ph.D.
|
|
Digitaria sanguinalis Hairy crabgrass
non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2019 Jennifer Mo
|
|
Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb 
2019 Danielle Carney
2022 Jennifer Mo
2022 David Strauch
|
|
native
Perennial herb ![Dipterostemon capitatus ssp. capitatus. [Dichelostemma capitatum ssp. capitatum]](/entry/occdetail.html?photo=/app/up/entry/616/185047.jpg)
2023 Steve Matson
![Dipterostemon capitatus ssp. capitatus. [Dichelostemma capitatum ssp. capitatum]](/entry/occdetail.html?photo=/app/up/entry/616/185045.jpg)
2023 Steve Matson
![Dipterostemon capitatus ssp. capitatus. [Dichelostemma capitatum ssp. capitatum]](/entry/occdetail.html?photo=/app/up/entry/406/122014.jpg)
2022 Steve Matson
|
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass 
2020 Matt Berger
2019 Ron Vanderhoff
2022 Donald Burk
|
|
Dittrichia graveolens Stinkwort
• invasive non-native
Annual herb 
2017 Bob Huttar
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Dysphania ambrosioides Mexican tea
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Echinochloa colona Jungle rice
non-native
Annual grass 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass
non-native
Annual grass 
2016 Barbara Boethling
2022 R.A. Chasey
2008 Zoya Akulova
|
|
Eichhornia crassipes Common water hyacinth
• invasive non-native
Perennial herb 
2015 Judy and Barry Breckling
2018 Rachelle Gray
2020 Ron Vanderhoff
|
|
Elatine californica California waterwort
native
Annual, Perennial herb 
2023 Keir Morse
Mary Ann Hannon
2015 Vernon Smith
|
|
Eleocharis bella Beautiful spikerush
native
Perennial grasslike herb 
2021 R.A. Chasey
2003 Steve Matson
2013 Jake Ruygt
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2003 Steve Matson
|
|
Eleocharis parishii Parish's spike rush, Parish's spikerush
native
Perennial grasslike herb 
2014 Steve Matson
2014 Steve Matson
2018 Rachelle Gray
|
|
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
|
|
Elymus multisetus Big squirreltail grass
native
Perennial grass 
2019 Ron Vanderhoff
2023 Helen Hancock
2021 Denise Defreese
|
|
Elymus triticoides Beardless wild rye
native
Perennial grass 
2018 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Rachelle Gray
|
|
Elymus xhansenii [E. glaucus x E. multisetus] Small Tree-Mallow
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb 
2023 Mary Ann Machi
2019 Ramona Robison
2020 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 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Epilobium densiflorum Dense boisduvalia, Dense flowered boisduvalia, Dense flowered spike primrose
native
Annual herb 
2009 BOB CASE
2021 Mike Russler
2022 Ken-ichi Ueda
|
|
Equisetum hyemale ssp. affine Giant scouring rush
native
Fern 
2013 Michael Mitchell
2021 Ron Vanderhoff
2013 Michael Mitchell
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern 
2016 Steve Matson
2016 Steve Matson
2022 Suzanne L. Weakley
|
|
Eragrostis cilianensis Stinkgrass
non-native
Annual grass 
2021 Donald Burk
2012 Keir Morse
2021 Donald Burk
|
|
Eragrostis pectinacea var. pectinacea Tufted lovegrass
native
Annual grass  2007 Steve Matson
 2007 Steve Matson
 2007 Steve Matson
|
|
Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb 
2021 Donald Burk
2017 Gary McDonald
2023 Ron Vanderhoff
|
|
Erigeron canadensis Canada horseweed
native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
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 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb 
2016 Bob van Duinen
2020 Angelique Herman
2016 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
|
|
Eryngium aristulatum var. hooveri Hoover's button celery, Hoover's eryngo
• rare native
Annual, Perennial herb  2011 Aaron Arthur
 2014 Maya Goklany
 2010 Chris Winchell
|
|
Eryngium armatum Coastal eryngo, Coyote thistle, Prickly coyote thistle
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2015 Tim Miller
|
|
native
Perennial 
2020 David Greenberger
2022 Charles Russell
2022 Charles Russell
|
|
Erythranthe microphylla Small leaved monkeyflower
• rare native
Annual herb 
2019 Susan McDougall
2021 Robert Steers
2021 Robert Steers
|
|
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 maculata Spotted spurge
non-native
Annual herb 
2019 B.J. Dion
2019 B.J. Dion
2022 Ron Vanderhoff
|
|
Euphorbia peplus Petty spurge
non-native
Annual herb 
2006 Steve Matson
2022 Alice Cummings
2005 Luigi Rignanese
|
|
Euphorbia serpens Matted sandmat
non-native
Annual herb 
2019 B.J. Dion
2018 Ron Vanderhoff
2020 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 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 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
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
2019 Nicole Leatherman
2019 Ron Vanderhoff
2018 Henry DiRocco
|
|
Frangula californica ssp. californica California coffeeberry
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2019 Ron Vanderhoff
|
|
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
2005 Steve Matson
2020 Ron Vanderhoff
|
|
Genista monspessulana French broom
• invasive non-native
Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2021 Michelle Karle
|
|
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
2021 Mary Conway
|
|
Hedypnois rhagadioloides Crete weed
non-native
Annual herb 
2012 Michael Perlmutter
2022 Steve Matson
2022 Steve Matson
|
|
Helenium bigelovii Bigelow's sneezeweed, Sneezeweed
native
Perennial herb 
2020 Rebecca Schoenenberger
2019 Bryant Baker
2019 Bob Sweatt
|
|
Heliotropium curassavicum var. oculatum Alkali heliotrope, Seaside heliotrope
native
Perennial herb 
2019 Rachelle Gray
2018 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
2016 Hayley Ross
2019 Rachelle Gray
2012 Elizabeth Brusati
|
|
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
|
|
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
|
|
Hordeum brachyantherum ssp. brachyantherum Meadow barley
native
Perennial grass 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Hordeum marinum ssp. gussoneanum Barley, Mediterranean barley
non-native
Annual grass 
2018 Carolyn
2020 Paul Aigner
2017 Toni Corelli
|
|
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 verticillata Whorled marsh pennywort, Whorled marshpennywort
native
Perennial herb 
2013 Ron Vanderhoff
2020 Robert Byrnes
2019 David Greenberger
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2017 Gary McDonald
2019 Ron Vanderhoff
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 
2021 John Rawlings
2023 R.A. Chasey
2019 Ron Vanderhoff
|
|
Juncus lescurii Dune rush
native
Perennial grasslike herb 
2008 Toni Corelli
2008 Toni Corelli
2008 Toni Corelli
|
|
Juncus occidentalis Rush, Slender juncus, Western rush
native
Perennial grasslike herb 
2021 Toni Corelli
2021 Dick Rawson
2021 Dick Rawson
|
|
Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb 
2019 Dee Shea Himes
2019 Ken Hickman
2019 John Rawlings
|
|
Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort
non-native
Perennial herb 
2023 John Malpas
2018 Ron Vanderhoff
2016 Barbara Boethling
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass 
2023 Helen Hancock
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
|
|
Laennecia coulteri Coulter's horseweed
native
Annual herb 
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Lagophylla ramosissima Branched lagophylla, Common hareleaf
native
Annual herb 
2019 Diane Etchison
2021 Dee Shea Himes
2020 Ken Hickman
|
|
Lamarckia aurea Goldentop grass
non-native
Annual grass 
2017 B.J. Dion
2019 Ron Vanderhoff
2015 James Gonsman
|
|
Lasthenia glaberrima Smooth goldfields
native
Annual herb 
2017 Michael Mitchell
2020 Matt Berger
2020 R.A. Chasey
|
|
Lasthenia gracilis Needle goldfields
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb 
2020 Jutta Burger
2019 Cynthia Powell
2021 Sherry Adams
|
|
Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea
non-native
Annual herb 
2017 danielle noe
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb 
2023 Steve Conger
2022 Charles Russell
2015 Chris Jaster
|
|
Layia jonesii Jones' tidytips, Jones's layia
• rare native
Annual herb 
2021 Kristen Nelson
2021 Kristen Nelson
2011 Chris Winchell
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb 
2021 Steve Matson
2016 Steve Matson
2021 Steve Matson
|
|
Lepidium pinnatifidum Featherleaf pepperweed, Wayside pepper grass
non-native
Annual, Perennial herb 
2016 Keir Morse
1982 Robert E. Preston, Ph.D.
2010 Zoya Akulova
|
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb 
2022 Ron Vanderhoff
2022 Jim Xerogeanes
2022 Ron Vanderhoff
|
|
Leptochloa fusca ssp. fascicularis Bearded sprangletop
native
Annual grass 
2023 Donald Burk
2021 R.A. Chasey
2021 Ken Hickman
|
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb 
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse
|
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb 
2016 Michael Mitchell
2016 Michael Mitchell
2019 Patrick Furtado
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb 
2017 Barbara Boethling
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium
native
Perennial herb 
2014 Steve Matson
2022 Dianne Lake
2014 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
2019 Eliezer Margolis
2015 James Gonsman
|
|
Lonicera japonica Japanese honeysuckle
non-native
Vine, Shrub 
2018 michelle peruzzi
2022 Andy Ford
2016 Keir Morse
|
|
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 bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb 
2021 Ken Lunders
2022 Mike Russler
2019 Gary McDonald
|
|
Lupinus microcarpus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
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
2020 Ron Vanderhoff
2017 David Wolfson
|
|
Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb 
2019 Diane Etchison
2021 Cynthia Powell
2020 Ron Vanderhoff
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb 
2013 Ron Vanderhoff
2021 David Wolfson
2021 Zoya Akulova-Barlow
|
|
Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix
native
Annual herb 
2021 Steve Laymon
2022 Mike Russler
2023 R.A. Chasey
|
|
Malva nicaeensis Bull mallow
non-native
Annual herb 
2015 Mike Morales
2020 Ron Vanderhoff
2020 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
|
|
Malvella leprosa Alkali mallow
native
Perennial herb 
2023 Donald Burk
2019 Bonnie Nickel
2019 Bonnie Nickel
|
|
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 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
|
|
Melilotus indicus Annual yellow sweetclover, Sourclover
non-native
Annual herb 
2019 Randy Huey
2019 Randy Huey
2017 Rosalie Benitez
|
|
Mentha canadensis Wild mint
native
Perennial herb 
2023 R.A. Chasey
2023 Suzanne L. Weakley
2021 R.A. Chasey
|
|
Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs
native
Annual herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb 
2022 Helen Hancock
2019 Diane Renshaw
2022 Helen Hancock
|
|
Modiola caroliniana Carolina bristle mallow, Carolina bristlemallow
non-native
Perennial herb 
2020 David Wolfson
2020 Asa B Spade
2019 Ron Vanderhoff
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic) 
2019 Patrick Furtado
2019 Diane Etchison
2012 Steve Matson
|
|
Navarretia squarrosa Skunkbush, Skunkweed
native
Annual herb 
2019 Marisa Persaud
2019 Patrick Furtado
2022 Suzanne L. Weakley
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
2015 Richard Chasey
2017 Angelique Herman
2019 Gary McDonald
|
|
Oxybasis chenopodioides Small Tree-Mallow
|
|
Oxybasis macrosperma Small Tree-Mallow
|
|
Oxybasis rubra Small Tree-Mallow
|
|
Parapholis incurva Curved sicklegrass, Sickle grass
non-native
Annual grass 
2022 R.A. Chasey
2021 Cynthia Powell
2022 Ron Vanderhoff
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass 
2018 Ron Vanderhoff
2017 Barbara Boethling
2021 Ron Vanderhoff
|
|
Paspalum distichum Knot grass, Knotgrass
native
Perennial grass 
2011 Steve Matson
2017 Ron Vanderhoff
2017 Ron Vanderhoff
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern 
2023 Steve Conger
2021 Steve Matson
2021 Mike Russler
|
|
Perideridia pringlei Adobe yampah
• rare native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Persicaria amphibia Water smartweed
native
Perennial herb (aquatic) 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2019 Diane Etchison
|
|
Persicaria lapathifolia Common knotweed
native
Annual herb 
2020 Ron Vanderhoff
2017 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2022 Ron Vanderhoff
|
|
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 
2018 Thomas Reyes
2021 Lenihan Mazur
2022 Lenihan Mazur
|
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass 
2021 David popp
2021 John Rawlings
2017 James Bailey
|
|
Phyla nodiflora Common lippia, Lippia, Turkey tangle frogfruit
native
Perennial herb 
2018 Ron Vanderhoff
2009 Ron Vanderhoff
2022 Donald Burk
|
|
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
|
|
Platanus racemosa California sycamore, Western sycamore
native
Tree 
2021 Ron Vanderhoff
2018 Ron Vanderhoff
2019 Rachelle Gray
|
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb 
2019 Diane Etchison
2022 John L. Thompson
2022 John L. Thompson
|
|
Pleuropogon californicus var. californicus Annual semaphoregrass
native
Perennial grass (rhizomatous) 
2023 Denise Defreese
2021 Denise Defreese
2021 R.A. Chasey
|
|
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 douglasii Douglas' mesamint, Douglas' pogogyne
native
Annual herb 
2022 Steve Matson
2016 Ray Gill
2022 Ramona Robison
|
|
Polycarpon depressum California allseed, California manyseed, California polycarpon
native
Annual herb 
2023 James Bailey
2023 James Bailey
2011 Neal Kramer
|
|
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 interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass 
2022 John Rawlings
2022 John Rawlings
2020 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Polypogon viridis Water beard grass
non-native
Perennial grass 
2022 Ron Vanderhoff
2021 Ron Vanderhoff
2019 Friends of Five Creeks volunteers
|
|
Populus fremontii ssp. fremontii Fremont cottonwood
native
Tree 
2019 Stella Yang
2020 David popp
2020 Susan McDougall
|
|
Portulaca oleracea Common purslane, Little hogweed, Purslane
non-native
Annual herb 
2022 Donald Burk
2022 Ron Vanderhoff
2020 R.A. Chasey
|
|
Potamogeton nodosus Long leaved pondweed, Longleaf pondweed, Pondweed
native
Perennial herb (aquatic) 
2020 Ken Hickman
2019 Gena Bentall
2020 Ken Hickman
|
|
Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed
native
Perennial herb 
2022 R.A. Chasey
2021 Charles Russell
2022 R.A. Chasey
|
|
Primula clevelandi [Dodecatheon clevelandii] Small Tree-Mallow
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Psilocarphus tenellus Slender woolly marbles, Slender woollyheads
native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2018 Ron Vanderhoff
|
|
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
|
|
Quercus durata var. durata Leather oak
native
Shrub 
2022 Hunter Breck
2020 Charles Russell
2020 R.A. Chasey
|
|
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
|
|
Rhaponticum repens Russian knapweed
non-native
Perennial herb 
2017 Barbara Boethling
2014 Steve Matson
2017 Barbara Boethling
|
|
Ricinus communis Castor bean, Castorbean
• invasive non-native
Shrub 
2017 Henry DiRocco
2020 Aaron Echols
2022 Ron Vanderhoff
|
|
Rorippa palustris ssp. palustris Bog yellowcress
native
Annual, Perennial herb 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub 
2018 Ken Lunders
2019 Ron Vanderhoff
2015 Kelli Kallenborn
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
2017 Gary McDonald
2008 Steve Matson
2019 Patrick Furtado
|
|
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 fueginus Golden dock
native
Annual, Perennial herb 
2022 Steve Ashcraft
2021 Donald Burk
2020 Ron Vanderhoff
|
|
Rumex kerneri Kerner's dock
non-native
Perennial herb 
2024 Donald Burk
2023 Donald Burk
2024 Donald Burk
|
|
Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock
native
Perennial herb 
2023 Ron Vanderhoff
2012 Gary McDonald
2012 Gary McDonald
|
|
Salix laevigata Polished willow, Red willow
native
Tree 
2017 Steve Matson
2019 Barbara Brydolf
2022 Mark Gary
|
|
Salix lasiandra var. lasiandra Pacific willow
native
Tree 
2021 Alice Cummings
2021 Diane Renshaw
2021 Ken Hickman
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2020 Steve Matson
|
|
Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2018 Angelique Herman
2023 Cynthia Powell
|
|
Salvia columbariae Chia sage
native
Annual herb 
2020 Ron Vanderhoff
2022 Mike Russler
2022 Mike Russler
|
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb 
2022 Ron Vanderhoff
2017 Diane Etchison
2006 Steve Matson
|
|
Sanicula maritima Adobe sanicle, Adobe snakeroot
• rare native
Perennial herb 
2019 David Wolfson
2021 Kristen Nelson
2021 Kristen Nelson
|
|
Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle
non-native
Annual herb, Vine 
2006 Steve Matson
2018 Stacie Wolny
2006 Steve Matson
|
|
native
Perennial grasslike herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Schoenoplectus californicus California bulrush
native
Perennial grasslike herb 
2022 John Rawlings
2022 John Rawlings
2021 Ron Vanderhoff
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb 
2022 Doug Allshouse
2008 Steve Matson
2013 Ron Vanderhoff
|
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
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
|
|
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
2019 Marisa Persaud
2018 Angelique Herman
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb 
2020 Mary Conway
2024 Ron Vanderhoff
2019 Stacie Wolny
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Solanum nigrum Black nightshade
non-native
Annual herb 
2019 Julian Geoghegan
2019 Patrick Furtado
2021 Mike Russler
|
|
Solanum rostratum Buffalo berry, Buffalobur nightshade
non-native
Annual herb 
2016 Ron Vanderhoff
2021 Timothy Blank
2019 Ron Vanderhoff
|
|
Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb 
2022 Diana Wahl
2019 Abbot Chambers
2019 Abbot Chambers
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
2014 Gary McDonald
2022 Ron Vanderhoff
2014 Gary McDonald
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
2019 Diane Etchison
2015 Jesse Rorabaugh
2024 Ron Vanderhoff
|
|
Sorghum bicolor Sorghum
non-native
Annual grass 
2014 Ron Vanderhoff
2021 Keir Morse
2017 Fred Melgert / Carla Hoegen
|
|
Spergula arvensis Corn spurry
non-native
Annual herb 
2019 Diane Etchison
2020 Mary Conway
2022 Cynthia Powell
|
|
Spergularia bocconi Boccone's sand spurry
non-native
Annual herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Spergularia macrotheca var. macrotheca Sand spurrey, Sticky sand spurry, Sticky sandspurry
native
Perennial herb  2008 Steve Matson
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Sporobolus indicus Smut grass, Smutgrass
non-native
Perennial grass 
2019 Ron Vanderhoff
2022 Donald Burk
2022 Donald Burk
|
|
Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle
native
Perennial herb 
2021 Mike Russler
2014 James Gonsman
2023 Mike Russler
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle
native
Perennial herb 
2023 David Wolfson
2019 David Wolfson
2021 Dan Quinn
|
|
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
2017 Gary McDonald
|
|
Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass 
2022 Donald Burk
2009 Keir Morse
2022 Donald Burk
|
|
Stipa pulchra Purple needle grass
native
Perennial grass 
2019 Michelle Karle
2008 Zoya Akulova
2019 Ron Vanderhoff
|
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb 
2003 Keir Morse
2020 Stacie Wolny
2021 Bryant Baker
|
|
Streptanthus lasiophyllus Small Tree-Mallow
|
|
Stuckenia pectinata Sago pondweed
native
Perennial herb (aquatic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub 
2019 Ron Vanderhoff
2020 Cara Wilcox
2019 Ron Vanderhoff
|
|
Symphyotrichum subulatum Eastern annual saltmarsh aster
native
Annual herb 
2019 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
2020 Ron Vanderhoff
2017 Barbara Boethling
2022 Ron Vanderhoff
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
2020 Ron Vanderhoff
2019 Randy Huey
2021 Bryant Baker
|
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb 
2019 Julie dinsdale
2015 David Wolfson
2020 Martin Cooper
|
|
Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb 
2015 Steve Matson
2020 Ron Vanderhoff
2020 Maura Hay
|
|
Trifolium albopurpureum Indian clover, Rancheria clover
native
Annual herb 
2023 Mary Gerbic
2023 Mary Gerbic
2021 Mike Russler
|
|
Trifolium bifidum var. decipiens Notch leaf clover
native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2021 Cameron Chabre
|
|
Trifolium depauperatum var. amplectens Balloon sack clover, Pale bladder clover, Pale sack clover
native
Annual herb 
2018 David Greenberger
2013 Andrea Williams
2018 David Greenberger
|
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2022 Dana York
|
|
Trifolium fucatum Bull clover, Sour clover
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2020 Paul Aigner
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Trifolium hydrophilum Saline clover
• rare native
Annual herb  2005 Dean Wm. Taylor
 2005 Aaron Schusteff
 2005 Aaron Schusteff
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb 
2005 Steve Matson
2016 Michael Mitchell
2019 Ron Vanderhoff
|
|
Trifolium microdon Thimble clover, Valparaiso clover
native
Annual herb 
2022 Dee Shea Himes
2022 Dee Shea Himes
2023 R.A. Chasey
|
|
Trifolium pratense Red clover
non-native
Perennial herb 
2019 David Greenberger
2021 Bob Sweatt
2023 R.A. Chasey
|
|
Trifolium repens White clover
non-native
Perennial herb 
2017 Gary McDonald
2007 Steve Matson
2017 Gary McDonald
|
|
Trifolium subterraneum Sub clover, Subterranean clover
non-native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2017 Steve Matson
|
|
Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover
native
Annual herb 
2022 Steve Matson
2017 Michael Mitchell
2019 Diane Etchison
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Stacie Wolny
|
|
Trifolium wormskioldii Coast clover, Cow clover, Cows clover
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck
native
Annual herb 
2005 Steve Matson
2021 Steve Matson
2008 Steve Matson
|
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic) 
2013 Steve Matson
2013 Steve Matson
2013 Steve Matson
|
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2022 Bob Sweatt
|
|
Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine 
2019 Diane Etchison
2018 MCOSD EDRR
2020 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
|
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2006 Steve Matson
|
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Xanthium spinosum Spiny clotbur, Spiny cockleburr
non-native
Annual herb 
2017 B.J. Dion
2021 Lynn Overtree
2017 B.J. Dion
|
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Zeltnera muehlenbergii Muehlenberg's centaury
native
Annual herb 
2019 Patrick Furtado
2015 James Gonsman
2011 Michael Perlmutter
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