Johnson Ranch Open Space
Johnson Ranch Open Space San Luis Obispo County, California San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-05-25) |
| 253 PLANTS |
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Achillea millefolium Common yarrow
native
Perennial herb  2022 Andy Ford
 2014 James Gonsman
 2023 Ron Vanderhoff
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Achyrachaena mollis Blow-Wives
native
Annual herb  2015 Diane Etchison
 2019 Deanna Wargowski
 2021 Cynthia Powell
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Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
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Acmispon brachycarpus Short podded lotus
native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2018 Steve Matson
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Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
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Acmispon junceus var. junceus Rush lotus
native
Perennial herb  2021 Toni Corelli
 2016 Neal Kramer
 2013 Al Keuter
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Acmispon parviflorus Hill lotus
native
Annual herb  2019 Ron Vanderhoff
 2005 Steve Matson
 2005 Steve Matson
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Acmispon wrangelianus Chilean trefoil
native
Annual herb  2021 Jamie Spielmann
 2018 Gary McDonald
 2022 Richard Sullivan
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Acourtia microcephala Sacapellote
native
Perennial herb  2022 Diane Etchison
 2019 Ron Vanderhoff
 2014 Diane Etchison
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native
Tree, Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2019 Gary McDonald
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Adiantum capillus-veneris Venus hair
native
Fern  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
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Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2021 Emily Sluiman
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Allium haematochiton Red skinned onion, Redskin onion
native
Perennial herb (bulb)  2017 Steve Matson
 2017 Steve Matson
 2017 Steve Matson
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Ambrosia psilostachya Ragweed, Western ragweed
native
Perennial herb  2021 Mary Ann Machi
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
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Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck
native
Annual herb  2020 Ron Vanderhoff
 2018 Gary McDonald
 2018 Gary McDonald
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Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb  2017 Diane Etchison
 2019 Nathan Taxel
 2019 Dave Beller
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Aquilegia eximia Serpentine columbine, Sticky columbine, Van Houtte's columbine
native
Perennial herb  2018 Stacie Wolny
 2010 Tony Morosco
 2020 Paul Aigner
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Aristida adscensionis Six weeks three awn, Sixweeks threeawn
native
Annual grass  2023 Keir Morse
 2023 Keir Morse
 2006 James M. Andre
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub  2018 James Gonsman
 2022 Julia Markey
 2020 Ron Vanderhoff
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2013 Brent Morgan
 2022 Ron Vanderhoff
 2021 Mike Russler
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Asclepias fascicularis Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2014 Steve Matson
 2019 Ron Vanderhoff
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Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2022 Mike Russler
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Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2018 Julian Geoghegan
 2023 David popp
 2019 Ron Vanderhoff
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2018 Gary McDonald
 2023 Ron Vanderhoff
 2023 Ron Vanderhoff
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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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Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat
native
Shrub  2023 Julia Markey
 2018 Ron Vanderhoff
 2020 Aaron Echols
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Bloomeria crocea var. crocea Common goldenstar
native
Perennial herb  2019 Michael Mitchell
 2019 Ron Vanderhoff
 2017 Aaron Echols
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Brachypodium hybridum Small Tree-Mallow
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Brassica nigra Black mustard
• invasive non-native
Annual herb  2020 Diane Etchison
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb  2017 Cynthia Powell
 2021 Diane Etchison
 2018 Angelique Herman
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Brickellia californica Brickell bush, California brickellbush, California brickellia
native
Perennial herb  2017 Stephen Rosenthal
 2018 Diane Etchison
 2022 Ron Vanderhoff
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Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
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Brodiaea terrestris ssp. terrestris Dwarf brodiaea
native
Perennial herb  2017 James Gonsman
 2022 Cynthia Powell
 2022 Cynthia Powell
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Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2022 Ron Vanderhoff
 2021 Richard Spjut
 2022 Ron Vanderhoff
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Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2023 Ron Vanderhoff
 2018 Gary McDonald
 2018 Gary McDonald
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Bromus rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
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Calandrinia menziesii red maids, Calandrinia
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Calochortus argillosus Clay mariposa lily
native
Perennial herb (bulb)  2016 Daniel Neal
 2022 Suzanne L. Weakley
 2022 Suzanne L. Weakley
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Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
• rare native
Perennial herb (bulb)  2020 David Wolfson
 2019 Marisa Persaud
 2008 Gary A. Monroe
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Calochortus obispoensis San luis mariposa lily
• rare native
Perennial herb (bulb)  2023 Morgan Stickrod
 2020 Meghan Lindt
 2018 Margarita Orlova
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Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine  2017 Michael Mitchell
 2020 James Gonsman
 2017 Michael Mitchell
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Calystegia subacaulis ssp. episcopalis Cambria morning glory, San luis obispo county morning glory
• rare native
Perennial herb (rhizomatous)  2021 Kristen Nelson
 2018 Adonis Tate
 2021 Kristen Nelson
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Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2008 Steve Matson
 2019 Cynthia Powell
 2022 Doug Allshouse
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2017 Gary McDonald
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Carex spissa San diego sedge
native
Perennial grasslike herb  2016 Steve Matson
 2016 Steve Matson
 2016 Steve Matson
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Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb  2011 CNPS, San Luis Obispo Chapter
 2011 Chris Winchell
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Ceanothus cuneatus var. ramulosus Buck brush
native
Shrub  2019 Susan McDougall
 2020 Robert Steers
 2019 Susan McDougall
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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
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Laura Anna Arellano
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Centromadia parryi ssp. congdonii Congdon's tarplant
• rare native
Annual herb  2021 Michele Hammond
 2016 R. Adam Chasey
 2019 David Greenberger
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Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany
native
Tree, Shrub  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2016 Ron Vanderhoff
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Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb  2021 Sue Graue
 2015 Sharon King & Randy Aeschliman
 2018 Karen Scheuermann
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Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb  2021 George Williams
 2021 Julia Kosowitz
 2021 Bob Sweatt
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Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
• rare native
Annual herb  2020 David Greenberger
 2020 David Greenberger
 2019 David Greenberger
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Chorizanthe palmeri Palmer's spineflower
• rare native
Annual herb  2019 David Greenberger
 2012 Terrence Gosliner
 2014 John Doyen
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2017 James Bailey
 2019 Gustavo Vasquez
 2020 Bob Sweatt
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Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
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Clematis lasiantha Chaparral clematis, Pipestem
native
Perennial herb, Vine  2016 Julie Watson
 2016 Julie Ann Watson
 2018 Steve Matson
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Collinsia heterophylla Purple chinese houses
native
Annual herb  2022 Mary Ann Machi
 2019 David Greenberger
 2019 Ron Vanderhoff
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Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2019 James Bailey
 2013 Toni Corelli
 2016 Cynthia Powell
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Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine  2019 Ron Vanderhoff
 2021 Ron Vanderhoff
 2005 Steve Matson
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Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2022 Mike Russler
 2018 Ron Vanderhoff
 2021 Mike Russler
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Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb  2023 Mike Russler
 2022 Ron Vanderhoff
 2023 Mike Russler
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Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Croton setiger Turkey-mullein
native
Annual herb  2018 Rachelle Gray
 2011 Steve Matson
 2011 Steve Matson
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Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb  2020 David Greenberger
 2020 Ryan Carle
 2023 Ken-ichi Ueda
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Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2021 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Ron Vanderhoff
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Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2016 Joan Hampton
 2021 Ken Lunders
 2014 James Gonsman
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Cyperus involucratus Umbrella plant, Unbrella plant
non-native
Perennial grasslike herb  2018 Rachelle Gray
 2020 Martin Lemon
 2018 Jennifer Mo
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Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2022 David Wolfson
 2021 Ken Lunders
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Deinandra fasciculata Clustered tarweed
native
Annual herb  2022 David Strauch
 2017 Steve Matson
 2017 Steve Matson
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Delphinium parryi ssp. parryi Parry's larkspur, San bernardino larkspur
native
Perennial herb  2022 Mike Russler
 2009 Barry Breckling
 2018 Gary McDonald
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Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower
native
Shrub  2023 Bill Kress
 2019 Stacie Wolny
 2019 Gary McDonald
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Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb  2019 Danielle Carney
 2022 Jennifer Mo
 2022 David Strauch
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Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb  2023 Alaine Arslan
 2016 Steve Matson
 2008 Steve Matson
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Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2018 James Gonsman
 2019 Rebecca Crowe
 2023 Julia Markey
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Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb  2012 Terrence Gosliner
 2019 David Greenberger
 2017 Chris Howington
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Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2015 Dee Warenycia
 2020 Steven M Norris
 2020 Steven M Norris
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Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2023 Ron Vanderhoff
 2023 Ron Vanderhoff
 2003 Steve Matson
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Elymus condensatus Giant wild rye
native
Perennial grass  2020 Ron Vanderhoff
 2022 John Rawlings
 2020 Diane Etchison
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Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2014 Toni Corelli
 2021 Arlee Montalvo
 2022 Ron Vanderhoff
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Elymus multisetus Big squirreltail grass
native
Perennial grass  2019 David popp
 2019 Ron Vanderhoff
 2021 Denise Defreese
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Elymus triticoides Beardless wild rye
native
Perennial grass  2018 Ron Vanderhoff
 2021 Ron Vanderhoff
 2018 Rachelle Gray
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Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb  2015 Ron Vanderhoff
 2019 Ramona Robison
 2020 Ron Vanderhoff
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Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Erigeron canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Mike Russler
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Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub  2023 Ron Vanderhoff
 2021 Jacob Martin
 2022 Ron Vanderhoff
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Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb  2017 Ron Vanderhoff
 2019 Aaron Echols
 2021 Mike Russler
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Eriogonum fasciculatum var. fasciculatum California buckwheat, Eastern mojave buckwheat
native
Shrub  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2017 Gary McDonald
 2015 Ken Lunders
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Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2022 Steve Matson
 2020 Julia Markey
 2022 Steve Matson
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Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb  2016 Steve Matson
 2016 James Bailey
 2018 Stacie Wolny
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Erythranthe guttata Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2015 James Gonsman
 2019 Stacie Wolny
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Eschscholzia californica California poppy
native
Annual, Perennial herb  2019 Dee Shea Himes
 2021 Ron Vanderhoff
 2019 Amy Rapport
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Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree  2020 Jennifer Mo
 2022 Ryan O'Dell
 2021 Cynthia Powell
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Euphorbia peplus Petty spurge
non-native
Annual herb  2006 Steve Matson
 2022 Alice Cummings
 2005 Luigi Rignanese
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Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb  2021 R.A. Chasey
 2014 Steve Matson
 2014 Steve Matson
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Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop
native
Perennial herb  2021 Steve Matson
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Festuca bromoides Brome fescue
non-native
Annual grass  2022 Diana Wahl
 2021 Toni Corelli
 2021 David popp
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Festuca microstachys Small fescue
native
Annual grass  2022 Aaron Sunshine
 2011 Steve Matson
 2011 Steve Matson
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Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2021 Aaron Echols
 2021 Ron Vanderhoff
 2022 John Rawlings
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Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2019 Ron Vanderhoff
 2017 Gary McDonald
 2021 Ron Vanderhoff
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Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2018 Henry DiRocco
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Frangula californica ssp. californica California coffeeberry
native
Shrub  2015 Steve Matson
 2015 Steve Matson
 2019 Ron Vanderhoff
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Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb)  2020 David Greenberger
 2016 Ron Vanderhoff
 2018 Michael Mitchell
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Fumaria capreolata White ramping fumitory
non-native
Perennial herb  2023 David Wolfson
 2020 Eric Wrubel
 2019 Jennifer Mo
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Galium andrewsii Needlemat galium, Phlox leaved bedstraw, Phloxleaf bedstraw
native
Perennial herb  2022 Mike Russler
 2019 Marisa Persaud
 2022 Mike Russler
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Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2005 Steve Matson
 2020 Ron Vanderhoff
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Galium californicum ssp. californicum California bedstraw
native
Perennial herb  2018 Ken Hickman
 2017 Ken Hickman
 2015 James Gonsman
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Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
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Gastridium phleoides Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Paul Aigner
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Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2021 Al Keuter
 2023 Ron Vanderhoff
 2014 Bryan Derr
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Gilia clivorum Many stemmed gilia, Purple spot gilia, Purplespot gilia
native
Annual herb  2013 Gary McDonald
 2013 Gary McDonald
 2013 Gary McDonald
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Grindelia hirsutula Gumweed, Hairy gumweed
native
Perennial herb  2020 stephen rosenthal
 2015 Ken Lunders
 2020 R.A. Chasey
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Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub  2021 Mike Russler
 2021 Mary Conway
 2011 Neal Kramer
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Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2013 Toni Corelli
 2015 Stephen Rosenthal
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Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb  2016 Hayley Ross
 2019 Rachelle Gray
 2012 Elizabeth Brusati
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Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb  2013 Arcangelo Wessells
 2022 R.A. Chasey
 2022 R.A. Chasey
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Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax
native
Annual herb  2020 Stacie Wolny
 2020 R.A. Chasey
 2021 R.A. Chasey
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Hesperoyucca whipplei Chaparral yucca
native
Shrub  Geoff Burleigh
 2023 Jordan Collins
 2020 Julia Markey
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Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
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Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Ron Vanderhoff
|
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Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2019 Bob Sweatt
 2020 Camille Nowell
 2023 Doug Zimmerman
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Hordeum marinum subsp gussoneanum Small Tree-Mallow
|
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Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2022 Ron Vanderhoff
 2021 Al Keuter
 2021 Ron Vanderhoff
|
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Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2020 Ron Vanderhoff
 2017 Gary McDonald
 2019 Ron Vanderhoff
|
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Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2021 John Rawlings
 2023 R.A. Chasey
 2019 Ron Vanderhoff
|
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Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2022 R.A. Chasey
 2022 R.A. Chasey
 2008 Neal Kramer
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Juncus phaeocephalus var. paniculatus Brown headed rush, Brownhead rush, Spreading brown headed rush
native
Perennial grasslike herb  2019 John Rawlings
 2021 John Rawlings
 2020 Alice Cummings
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Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb  2019 Dee Shea Himes
 2007 Neal Kramer
 2019 John Rawlings
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Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass  2020 Matt Berry
 2015 Steve Matson
 2015 Steve Matson
|
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Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2021 Don Hollander
 2019 Stacie Wolny
 2021 Don Hollander
|
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Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2020 Mark Kircher
 2009 Neal Kramer
|
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Lamarckia aurea Goldentop grass
non-native
Annual grass  2017 B.J. Dion
 2019 Ron Vanderhoff
 2015 James Gonsman
|
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Lasthenia gracilis Needle goldfields
native
Annual herb  2016 Michael Mitchell
 2019 Susan McDougall
 2014 Michael Mitchell
|
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Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2022 Charles Russell
 2015 Chris Jaster
|
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Lepidium draba Whitetop
• invasive non-native
Perennial herb  2020 Ron Vanderhoff
 2021 Mike Russler
 2020 Ron Vanderhoff
|
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Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
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Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb  2020 Julie A. Kierstead
 2008 Keir Morse
 2011 Zoya Akulova
|
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Logfia filaginoides California cottonrose
native
Annual herb  2019 Steve Matson
 2019 Steve Matson
 2019 Matt Berger
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2015 jamie smith
 2013 Keir Morse
 2017 Barbara Boethling
|
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Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium
native
Perennial herb  2014 Steve Matson
 2022 Dianne Lake
 2014 Steve Matson
|
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Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb  2017 James Gonsman
 2018 Gary McDonald
 2018 Gary McDonald
|
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Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb  2006 Steve Matson
 2019 Eliezer Margolis
 2015 James Gonsman
|
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Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2022 Mike Russler
 2022 Mike Russler
 2019 Gary McDonald
|
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Lupinus microcarpus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine
native
Annual herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
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Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb  2018 Stacie Wolny
 2018 Stacie Wolny
 2018 Stacie Wolny
|
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Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2019 Barbara Boethling
 2022 Chris McDonald
|
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Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb  2019 Diane Etchison
 2021 Cynthia Powell
 2020 Ron Vanderhoff
|
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Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2019 Ron Vanderhoff
 2021 Amber Bedgood
 2019 Ron Vanderhoff
|
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Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2021 David Wolfson
 2021 Zoya Akulova-Barlow
|
|
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
|
|
Marah fabacea California man-root
native
Perennial herb, Vine  2018 Karen Scheuermann
 2021 Cyril Guyot
 2018 Gary McDonald
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2008 Steve Matson
 2019 Diane Etchison
 2018 Stacie Wolny
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2019 Gary McDonald
 2019 Gary McDonald
 2019 Gary McDonald
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
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
|
|
Micropus californicus var. californicus Q tips, Slender cottonweed
native
Annual herb  2006 Steve Matson
 2021 Ron Vanderhoff
 null
|
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb  2022 Helen Hancock
 2019 Diane Renshaw
 2022 Helen Hancock
|
|
Mimetanthe pilosa Snouted monkey flower
native
Annual herb  2019 Matt Berger
 2017 Steve Matson
 2019 Bonnie Nickel
|
|
Muhlenbergia microsperma Annual muhly, Littleseed muhly
native
Annual grass  2017 Ron Vanderhoff
 2019 Ron Vanderhoff
 2023 Ron Vanderhoff
|
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub  2019 Jean B Henney
 2022 Mark Bowler
 2019 Nicole Leatherman
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb  2015 Richard Chasey
 2017 Angelique Herman
 2019 Gary McDonald
|
|
Paeonia californica California peony
native
Perennial herb  2021 Ron Vanderhoff
 2022 Ron Vanderhoff
 2019 Susan McDougall
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern  2021 Mike Russler
 2021 Steve Matson
 2020 Tina Curiel
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 James Gonsman
 2008 Steve Matson
 2008 Steve Matson
|
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb  2022 R.A. Chasey
 2022 Robert Steers
 2022 Robert Steers
|
|
Phacelia malvifolia Stinging phacelia
native
Annual herb  2018 Michael Mitchell
 2022 Jennifer Mo
 2013 Toni Corelli
|
|
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
|
|
Phoradendron villosum ssp. villosum Mistletoe
native
Shrub (parasitic)  2022 David popp
 2020 R.A. Chasey
 2021 R.A. Chasey
|
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2013 Jean Pawek
|
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2021 Charles Russell
 2008 Margo Bors
 2022 Mike Russler
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2021 Ken Lunders
|
|
Plantago maritima Alkali plantain, Goose tongue, Maritime plantain
native
Perennial herb  2018 Adam Chasey
 2021 Jamie Spielmann
 2020 Ken Hickman
|
|
Platanus racemosa California sycamore, Western sycamore
native
Tree  2021 Ron Vanderhoff
 2019 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb  2019 Diane Etchison
 2022 John L. Thompson
 2020 Mitchell Coleman
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2022 Mike Russler
 2022 John Doyen
 2023 Ron Vanderhoff
|
|
Polypodium californicum California polypody
native
Fern  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2022 Suzanne L. Weakley
|
|
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  2020 Edith Allen
 2021 Ron Vanderhoff
 2014 Steve Matson
|
|
Populus fremontii ssp. fremontii Fremont cottonwood
native
Tree  2019 Stella Yang
 2020 David popp
 2020 Susan McDougall
|
|
Primula clevelandii var. insulare Padre's shooting star
native
Perennial herb  2013 Steven M Norris
 2013 Steven M Norris
 2012 Jason Matthias Mills
|
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub  2018 David Greenberger
 2019 Ron Vanderhoff
 2020 James Gonsman
|
|
Pseudognaphalium biolettii Two-color rabbit-tobacco
native
Perennial herb  2019 David Greenberger
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2019 Gary McDonald
 2020 Steven M Norris
 2021 Ron Vanderhoff
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb  2011 Toni Corelli
 2019 Diane Etchison
 2021 Ron Vanderhoff
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb  2020 Dick Rawson
 2018 Ron Vanderhoff
 2015 Diane Etchison
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2023 Ron Vanderhoff
 2022 Ron Vanderhoff
 2021 Al Keuter
|
|
Quercus durata var. durata Leather oak
native
Shrub  2022 Hunter Breck
 2020 Charles Russell
 2020 R.A. Chasey
|
|
Quercus lobata California white oak, Valley oak
native
Tree  2018 stephen rosenthal
 2023 Helen Hancock
 2020 Charles Russell
|
|
Ranunculus californicus California buttercup
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2020 Mitchell Coleman
|
|
Rhamnus crocea Redberry buckthorn
native
Shrub  2011 Michael Mitchell
 2022 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Rosa californica California wild rose, California wildrose
native
Shrub  2022 Suzanne L. Weakley
 2022 Suzanne L. Weakley
 2020 R.A. Chasey
|
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub  2020 David Krause
 1973 Geoff Burleigh
 2009 Neal Kramer
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub  2018 Ken Lunders
 2019 Ron Vanderhoff
 2015 Kelli Kallenborn
|
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb  2020 Ron Vanderhoff
 2021 David popp
 2020 Ron Vanderhoff
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb  2018 Tim Lewis
 2019 Diane Etchison
 2022 David Strauch
|
|
Rumex pulcher Fiddle dock
non-native
Perennial herb  2020 Ryan Carle
 2022 Chris McDonald
 2019 Saul Soto
|
|
Salix breweri Brewer's willow, Serpentine willow
native
Shrub  2022 Ryan O'Dell
 2021 R.A. Chasey
 1997 Dean Wm. Taylor
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2017 Susan Kotelnicki
 2022 Ron Vanderhoff
 2020 Steve Matson
|
|
Salvia columbariae Chia sage
native
Annual herb  2020 Ron Vanderhoff
 2022 Mike Russler
 2022 Mike Russler
|
|
Salvia mellifera Black sage
native
Shrub  2017 Steve Matson
 2022 Suzanne L. Weakley
 2019 Diane Etchison
|
|
Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Bryant Baker
|
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Tree, Shrub  2021 Mike Russler
 2020 Diane Etchison
 2022 El Byrne
|
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb  2022 Ron Vanderhoff
 2017 Diane Etchison
 2006 Steve Matson
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2020 Susan McDougall
 2020 Ryan Carle
 2020 R.A. Chasey
|
|
Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot
• rare native
Perennial herb  2019 Ken Hickman
 2015 David Wolfson
 2018 Ken Hickman
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2020 Bob Sweatt
 2006 Steve Matson
 2019 Cynthia Powell
|
|
Scrophularia californica ssp. floribunda California bee plant, California figwort
native
Perennial herb 2020 Bob Sweatt
2006 Steve Matson
2019 Cynthia Powell
|
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous)  2020 David Greenberger
 2021 Maria Stokes
 2021 Cynthia Powell
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2019 Mary Wloch
 2017 Gary McDonald
 2019 Gary McDonald
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2009 Barry Rice
 2019 Marisa Persaud
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb  2013 Neal Kramer
 2022 Julian Geoghegan
 2021 Ann Garside
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
|
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb  2013 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb  2022 Diana Wahl
 2019 Abbot Chambers
 2019 Abbot Chambers
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2023 Ron Vanderhoff
 2023 Ron Vanderhoff
 2023 Ron Vanderhoff
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2020 Bryant Baker
|
|
Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2015 Diane Etchison
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb  2020 Ken Hickman
 2022 Catherine Chang
 2017 David popp
|
|
Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster
native
Perennial herb  2019 David Greenberger
 2018 John Game
 2013 James Gonsman
|
|
Stipa lepida Foothill needle grass
native
Perennial grass  2017 Gary McDonald
 2023 Ron Vanderhoff
 2017 Gary McDonald
|
|
Stipa pulchra Purple needle grass
native
Perennial grass  2019 Michelle Karle
 2019 Ron Vanderhoff
 2018 Gary McDonald
|
|
Streptanthus lasiophyllus Small Tree-Mallow
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2021 Ron Vanderhoff
 2019 Diane Etchison
 2021 Ron Vanderhoff
|
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb  2021 Helen Hancock
 2008 Keir Morse
 2021 R.A. Chasey
|
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb  2011 Steve Matson
 2011 Steve Matson
 2022 R.A. Chasey
|
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub  2020 Ron Vanderhoff
 2019 Randy Huey
 2021 Bryant Baker
|
|
Tragopogon dubius Goat's beard, Yellow salsify
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2001 Steven Thorsted
 2022 Ron Vanderhoff
|
|
Trichostema lanceolatum Vinegarweed
native
Annual herb  2018 Ron Vanderhoff
 2016 Nathan Mudry
 2014 Diane Etchison
|
|
Trifolium ciliolatum Foothill clover, Tree clover
native
Annual herb  2020 Diane Etchison
 2015 Diane Etchison
 2019 Ron Vanderhoff
|
|
Trifolium depauperatum var. depauperatum Cowbag clover, Dwarf bladder clover, Dwarf sack clover
native
Annual herb  2021 Steve Matson
 2021 Steve Matson
 2010 Ron Wolf
|
|
Trifolium fucatum Bull clover, Sour clover
native
Annual herb  2019 James Gonsman
 2019 James Gonsman
 2019 Paul Aigner
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2016 Michael Mitchell
 2019 Ron Vanderhoff
|
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb  2020 Ron Vanderhoff
 2022 Ron Vanderhoff
 2020 Ellen Gartside
|
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2016 Steve Matson
 2016 Steve Matson
 2020 Ron Vanderhoff
|
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2010 Steve Matson
 2018 Mary Conway
 2018 Mary Conway
|
|
Vicia sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch
non-native
Annual herb, Vine  2020 Ken Lunders
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2017 Gary McDonald
 2017 Gary McDonald
 2020 Julie A. Kierstead
|
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb  2014 James Gonsman
 2023 Julia Markey
 2023 Richard Sullivan
|
