OPTIONS
| OPTIONS |
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Oceano Dunes State Vehicular Recreation Area
including Oso Flaco San Luis Obispo County |
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| Elihu Gevirtz / Elihu Gevirtz http://www.elihugevirtz.com/ (2006-08-01) | ||||||
| 292 PLANTS |
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Abronia maritima Red sand verbena, Sticky sand verbena
• rare native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2022 Irene Rosen 
© 2020 David Krause |
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Abronia umbellata Beach sand verbena, Pink sand verbena, Purple sand verbena
native
Perennial herb 
© 2021 Meghan Lindt 
© 2018 Ken Hickman 
© 2024 Mike Russler |
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Acer negundo var. californicum Boxelder
native
Tree 
© 2019 Robert Sweet 
© 2016 John H Malpas 
© 2019 Ron Vanderhoff |
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Achillea millefolium Common yarrow
native
Perennial herb 
© 2022 Andy Ford 
© 2020 Bob Sweatt 
© 2018 Gary McDonald |
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Agrostis viridis Water beard grass
non-native
Perennial grass 
© 2022 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2019 Friends of Five Creeks volunteers |
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Ambrosia chamissonis Beach bur, Silver beachweed
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2017 Ron Vanderhoff |
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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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Ammophila arenaria Beachgrass, European beach grass, European beachgrass
• invasive non-native
Perennial grass 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
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Amsinckia menziesii ssp. intermedia Common fiddleneck
native
Annual herb 
© 2020 Matt Berger 
© 2019 Ron Vanderhoff 
© 2021 David popp |
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Anagallis arvensis Scarlet pimpernel
non-native
Annual herb 
© 2017 B.J. Dion 
© 2018 Stacie Wolny 
© 2017 B.J. Dion |
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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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Apium graveolens Smallage, Garden celery
non-native
Annual, Biennial herb 
© 2016 Joan Hampton 
© 2019 Nathan Taxel 
© 2016 Joan Hampton |
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub 
© 2018 James Gonsman 
© 2019 Aaron Echols 
© 2018 Ron Vanderhoff |
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb 
© 2022 Ron Vanderhoff 
© 2016 Glen Schneider 
© 2021 Mike Russler |
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Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
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Arundo donax Giant reed
• invasive non-native
Perennial grass 
© 2013 Miriam Sachs Martin 
© 2020 Jennifer Mo 
© 2018 Ron Vanderhoff |
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Astragalus nuttallii var. nuttallii Nuttall's milkvetch, Ocean bluff milk vetch
• rare native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
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Atriplex triangularis Fat-hen
non-native
Annual herb 
© 2013 Michael Mitchell 
© 2023 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
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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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Baccharis douglasii Mule fat
native
Shrub 
© 2022 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2024 Holly Gray |
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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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Brachypodium distachyon False brome, Purple false brome
• invasive non-native
Annual, Perennial grass 
© 2019 Ron Vanderhoff 
© 2021 John Rawlings 
© 2019 Ron Vanderhoff |
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Brassica nigra Black mustard
• invasive non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
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Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
© 2024 David Wolfson 
© 2021 Diane Etchison 
© 2018 Angelique Herman |
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Brassica tournefortii Saharan mustard
• invasive non-native
Annual herb 
© 2023 Julia Markey 
© 2018 Jeffrey Black 
© 2021 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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Bromus carinatus California brome
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2022 David popp 
© 2014 Vertin Alvarez |
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Bromus catharticus Rescue grass, Rescuegrass
non-native
Annual, Perennial grass 
© 2016 Andrew Longman 
© 2020 Ramona Robison 
© 2011 Toni Corelli |
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
© Alize 
© 2021 Richard Spjut 
© 2024 David popp |
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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 madritensis ssp. rubens Red brome
• invasive non-native
Annual grass 
© 2015 Chris Jaster 
© 2015 jamie smith 
© 2018 Gary McDonald |
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Cakile maritima European searocket, Sea rocket
• invasive non-native
Annual herb 
© 2019 Diane Etchison 
© 2021 R.A. Chasey 
© 2019 Diane Etchison |
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Calyptridium monandrum Common pussypaws, Pussy paws
native
Annual herb 
© 2019 Stacie Wolny 
© 2021 Mike Russler 
© 2023 Maisie Borg |
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Calystegia macrostegia Island false bindweed, Island morning glory
native
Perennial herb, Vine 
© 2020 Steven M Norris 
© 2022 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
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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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Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening-primrose
native
Perennial herb 
© 2024 Mary Conway 
© 2021 Cara Wilcox 
© 2019 Mary Conway |
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Camissonia micrantha Spencer primrose
native
Annual herb 
© 2024 Mike Russler 
© 2021 Cara Wilcox 
© 2023 Ron Vanderhoff |
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Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup
native
Annual herb 
© 2022 Mike Russler 
© 2024 Jacob A 
© 2023 R.A. Chasey |
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Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
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Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
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Cardaria draba Whitetop
• invasive non-native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2021 Mike Russler 
© 2020 Ron Vanderhoff |
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Cardionema ramosissimum Sand mat, Sandcarpet
native
Perennial herb 
© 2023 Ron Vanderhoff 
© 2015 Michael Mitchell 
© 2019 John Rawlings |
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2023 Diana Wahl 
© 2023 Ron Vanderhoff |
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Carpobrotus chilensis Sea fig
• invasive non-native
Perennial herb 
© 2018 Nicole Leatherman 
© 2016 Steve Matson 
© 2021 Cynthia Powell |
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Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb 
© 2021 Michelle Karle 
© 2017 Lisa Miller 
© 2018 Michael Chasse |
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Castilleja affinis Indian paintbrush
native
Perennial herb 
© 2021 Dylan Neubauer 
© 2019 Diane Etchison 
© 2019 Diane Etchison |
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Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2019 Ron Vanderhoff |
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Castilleja densiflora Dense flower owl's clover, Denseflower indian paintbrush
native
Annual herb 
© 2023 Caitlin Kreutz 
© 2019 David Greenberger 
© 2018 Margarita Orlova |
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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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Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2023 R.A. Chasey |
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Chaenactis glabriuscula var. lanosa Pincushion flower, Woolly yellow chaenactis
native
Annual herb 
© 2019 Susan McDougall 
© 2019 Susan McDougall  © 2008 Keir Morse |
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Chamomilla suaveolens Pineapple weed
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2018 Stacie Wolny |
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Chenopodium ambrosioides Mexican tea
non-native
Annual, Perennial herb 
© 2020 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
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Chenopodium californicum California goosefoot, Pigweed, Soaproot
native
Perennial herb 
© 2023 Mike Russler 
© 2023 Mike Russler 
© 2023 Mike Russler |
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Chenopodium murale Nettle leaf goosefoot, Sowbane
non-native
Annual herb 
© 2022 Ron Vanderhoff 
© 2023 Keir Morse 
© 2020 Ron Vanderhoff |
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Chorizanthe angustifolia Narrow leaf spineflower, Narrowleaf spineflower
native
Annual herb 
© 2020 David Greenberger 
© 2024 Mike Russler 
© 2020 David Greenberger |
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Chrysanthemum coronarium Crown daisy
• invasive non-native
Annual herb 
© 2019 Nicole Leatherman 
© 2018 Rachelle Gray 
© 2022 Jennifer Mo |
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Cirsium californicum Bigelow thistle, California thistle, Cobwebby thistle
native
Perennial herb 
© 2021 Amber Bedgood 
© 2021 Mike Russler 
© 2013 James Gonsman |
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Cirsium occidentale Cobweb thistle, Western thistle
native
Perennial herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
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Cirsium occidentale var. ? Cobweb thistle, Western thistle
native
Perennial herb
© 2011 Steve Matson
© 2011 Steve Matson
© 2011 Steve Matson |
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Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle
native
Perennial herb 
© 2022 Suzanne L. Weakley 
© 2020 Coty Sifuentes-Winter 
© 2019 Randy Huey |
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
© 2017 James Bailey 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
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Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb 
© 2022 Ron Vanderhoff 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
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Claytonia perfoliata ssp. mexicana Southern miner's lettuce
native
Annual herb 
© 2021 John Rawlings  © 2002 Dean Wm. Taylor  © 2014 Susan McDougall |
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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 ligusticifolia Creek clematis, Western white clematis, Yerba de chiva
native
Perennial herb, Vine 
© 2018 Diane Etchison 
© 2012 Steve Matson 
© 2012 Steve Matson |
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Conicosia pugioniformis False ice plant, Narrow leaved iceplant
• invasive non-native
Perennial herb 
© 2022 Mike Russler 
© 2022 Mike Russler 
© 2022 Mike Russler |
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Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
© 2024 Cynthia Powell 
© 2013 Toni Corelli 
© 2016 Cynthia Powell |
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Conyza bonariensis Flax-leaved horseweed
non-native
Annual herb 
© 2021 Donald Burk 
© 2017 Gary McDonald 
© 2023 Ron Vanderhoff |
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Conyza canadensis Canada horseweed
native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Mike Russler |
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Coreopsis gigantea Giant coreopsis
native
Shrub 
© 2020 David Greenberger 
© 2017 David Wolfson 
© 2024 Ron Vanderhoff |
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Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
© 2022 Mike Russler 
© 2018 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
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Cortaderia selloana Uruguayan pampas grass
• invasive non-native
Perennial grass 
© 2023 Cynthia Powell 
© 2023 Randall English 
© 2022 Ron Vanderhoff |
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Cotoneaster pannosa Small Tree-Mallow
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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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Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2018 Adam Chasey |
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Crassula aquatica Aquatic pygmy weed, Pigmy weed, Water pygmyweed
native
Annual herb 
© 2019 Ron Vanderhoff 
© 2022 Catherine Chang 
© 2022 Catherine Chang |
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Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb 
© 2019 Ron Vanderhoff 
© 2022 Sameer Saroa 
© 2019 Adam Chasey |
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Croton californicus California croton, Desert croton
native
Perennial herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2017 Steve Matson |
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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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Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
© 2019 Diane Etchison 
© 2022 David Wolfson 
© 2019 John Rawlings |
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Deinandra increscens ssp. increscens Grassland tarweed
native
Annual herb 
© 2024 Kyle Suchy  © 2011 George Williams  © 2003 Lynn Watson |
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Delairea odorata Cape ivy
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
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Delphinium parishii Desert larkspur, Parish's larkspur
native
Perennial herb 
© 2008 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
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Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb 
© 2018 Nancy Hamlett 
© 2022 Steve Matson 
© 2022 Steve Matson |
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Dichelostemma capitatum Blue dicks
native
Perennial herb 
© 2023 Steve Matson 
© 2022 Steve Matson 
© 2019 Steve Matson |
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Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass 
© 2020 Matt Berger 
© 2019 Ron Vanderhoff 
© 2018 Emily Allen |
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Dudleya caespitosa Coast dudleya, Sand lettuce
native
Perennial herb 
© 2022 Mary Conway 
© 2022 Mary Conway 
© 2022 Cynthia Powell |
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Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass 
© 2020 David Greenberger 
© 2019 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
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Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb
native
Perennial herb 
© 2021 stephen rosenthal 
© 2019 Patrick Furtado 
© 2019 Gary McDonald |
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Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2022 Suzanne L. Weakley |
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Ericameria ericoides California goldenbush, Mock heather
native
Shrub 
© 2021 Mike Russler 
© 2021 Suzanne L. Weakley 
© 2021 Mike Russler |
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Erigeron blochmaniae Blochman's erigeron, Blochman's leafy daisy
• rare native
Perennial herb (rhizomatous)  © 2003 Christopher L. Christie  © 2010 Chris Winchell |
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Erigeron foliosus Leafy daisy, Leafy fleabane
native
Perennial herb 
© 2016 Steve Matson 
© 2022 Ron Vanderhoff 
© 2023 R.A. Chasey |
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Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub 
© 2022 Mary Conway 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
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Eriophyllum confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
© 2019 Stacie Wolny 
© 2022 Mojgan Mahdizadeh 
© 2019 Marisa Persaud |
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Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower
native
Perennial herb 
© 2024 Steve Conger 
© 2019 Mary Conway 
© 2014 James Gonsman |
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
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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 
© 2008 Steve Matson 
© 2022 Steve Matson |
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Erysimum insulare ssp. suffrutescens Suffrutescent wallflower
• rare native
Perennial herb 
© 2020 David Greenberger 
© 2020 David Greenberger 
© 2024 Mike Russler |
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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 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
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Euphorbia peplus Petty spurge
non-native
Annual herb 
© 2006 Steve Matson 
© 2022 Alice Cummings 
© 2018 MCOSD EDRR |
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Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop
native
Perennial herb 
© 2021 Steve Matson 
© 2018 Ron Vanderhoff 
© 2021 R.A. Chasey |
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Filago californica California cottonrose
native
Annual herb 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
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Filago gallica Narrowleaf cottonrose
non-native
Annual herb 
© 2023 R.A. Chasey 
© 2024 Mike Russler 
© 2017 Barbara Boethling |
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Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2023 Fred Roberts 
© 2022 Ryan O'Dell |
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Fragaria chiloensis Beach strawberry
native
Perennial herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
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Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2023 Julia Markey 
© 2020 Ron Vanderhoff |
|
Galium californicum California bedstraw
native
Perennial herb 
© 2006 Steve Matson 
© 2014 Steve Matson 
© 2022 Irene Rosen |
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Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
© 2021 Al Keuter 
© 2024 Mike Russler 
© 2014 Bryan Derr |
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Gnaphalium bicolor Two-color rabbit-tobacco
native
Perennial herb 
© 2019 David Greenberger 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Gnaphalium californicum Ladies' tobacco
native
Annual, Perennial herb 
© 2019 Gary McDonald 
© 2020 Steven M Norris 
© 2021 Ron Vanderhoff |
|
Gnaphalium luteo-album Jersey cudweed
non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2015 Chris Jaster |
|
Gnaphalium purpureum Featherweed
native
Perennial herb 
© 2019 Gary McDonald 
© 2019 Gary McDonald 
© 2019 Gary McDonald |
|
Gnaphalium ramosissimum Pink cudweed
native
Annual, Biennial herb 
© 2021 R.A. Chasey 
© 2018 Parker Santiago 
© 2017 Gary McDonald |
|
Gnaphalium stramineum Cottonbatting plant
native
Perennial herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Hedera canariensis Canary ivy, Algerian ivy
• invasive non-native
Vine 
© 2018 Sara Witt 
© 2018 Ron Vanderhoff 
© 2016 Ron Vanderhoff |
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub 
© 2019 Claire Mallen 
© 2019 Ron Vanderhoff 
© 2022 Catherine Talbot |
|
Hedypnois cretica Crete weed
non-native
Annual herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb 
© 2021 Mike Russler 
© 2019 Patrick Furtado 
© 2018 Rachelle Gray |
|
Heliotropium curassavicum Chinese parsley, Heliotrope, Salt heliotrope
native
Perennial herb 
© 2022 Mike Russler 
© 2022 Fern Zalin Jones 
© 2022 Mike Russler |
|
Herniaria hirsuta ssp. cinerea Herniaria
non-native
Annual herb 
© 2016 Michael Mitchell 
© 2016 Michael Mitchell 
© 2016 Michael Mitchell |
|
Herniaria hirsuta ssp. cinerea? Hairy rupturewort, Herniaria
non-native
Annual herb 
© 2022 R.A. Chasey 
© 2022 R.A. Chasey 
© 2022 Donald Burk |
|
Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle
native
Annual herb 
© 2023 Ken-ichi Ueda 
© 2006 Steve Matson 
© 2020 Ken Hickman |
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb 
© 2021 Mike Russler 
© 2021 Mike Russler 
© 2023 Cat Chang |
|
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 murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass 
© 2018 Gary McDonald 
© 2021 Ron Vanderhoff 
© 2017 Gary McDonald |
|
Horkelia cuneata ssp. cuneata Wedge leaved horkelia
native
Perennial herb 
© 2020 David Greenberger 
© 2019 David Greenberger 
© 2022 R.A. Chasey |
|
Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort
native
Perennial herb 
© 2019 R.A. Chasey 
© 2023 R.A. Chasey 
© 2017 Michael Mitchell |
|
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 |
|
Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear
• invasive non-native
Perennial herb 
© 2015 James Gonsman 
© 2017 Gary McDonald 
© 2016 Michael Mitchell |
|
Isocoma menziesii Menzies' goldenbush
native
Shrub 
© 2014 Steve Matson 
© 2006 Steve Matson 
© 2014 Steve Matson |
|
Jaumea carnosa Fleshy jaumea, Marsh jaumea
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2018 Angelique Herman 
© 2020 R.A. Chasey |
|
Juncus acutus Spiny rush
native
Perennial grasslike herb (rhizomatous) 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2019 Susan McDougall |
|
Juncus acutus ssp. leopoldii Leopold's rush, Southwestern spiny rush, Wire grass
• rare native
Perennial grasslike herb (rhizomatous) 
© 2018 Ron Vanderhoff 
© 2019 Susan McDougall
© 2021 Ron Vanderhoff |
|
Juncus bufonius Common toad rush, Toad rush
native
Annual grasslike herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Juncus lesueurii Dune rush
native
Perennial grasslike herb 
© 2009 Toni Corelli 
© 2008 Toni Corelli 
© 2008 Toni Corelli |
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Lamarckia aurea Goldentop grass
non-native
Annual grass 
© 2017 B.J. Dion 
© 2019 Ron Vanderhoff 
© 2015 James Gonsman |
|
Lastarriaea coriacea Leather spineflower
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2021 Jacob Smith |
|
Lasthenia glabrata ssp. glabrata? Yellow rayed goldfields, Yellow rayed lasthenia, Yellowray goldfields
native
Annual herb 
© 2022 Morgan Stickrod 
© 2020 Aaron Echols 
© 2023 Ron Vanderhoff |
|
Lasthenia gracilis Needle goldfields
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Lavatera assurgentiflora ssp. assurgentiflora Island mallow
• rare native
Shrub 
© 2018 Ron Vanderhoff |
|
Lavatera cretica Cretan mallow
non-native
Shrub 
© 2021 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2022 Jennifer Mo |
|
Layia glandulosa White layia, White tidy tips, Whitedaisy tidytips
native
Annual herb 
© 2016 James Gonsman 
© 2021 Mike Russler 
© 2021 Mike Russler |
|
Layia hieracioides Hawkweed layia, Tall layia, Tall tidytips
native
Annual herb 
© 2020 David Greenberger 
© 2025 Mike Russler 
© 2025 Mike Russler |
|
Lepidium didymum Lesser swine cress
non-native
Annual herb 
© 2022 Shawna Martinez 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb 
© 2022 Ron Vanderhoff 
© 2022 Jim Xerogeanes 
© 2022 Ron Vanderhoff |
|
Leptodactylon californicum Prickly phlox
native
Shrub 
© 2020 Matt Berger 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Lessingia glandulifera var. pectinata Valley lessingia
native
Annual herb 
© 2024 Mike Russler 
© 2024 Mike Russler 
© 2022 R.A. Chasey |
|
Leymus condensatus Giant wild rye
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2024 Mel Letterman 
© 2020 Diane Etchison |
|
Linaria canadensis Canada toadflax
native
Annual, Biennial herb  © 2016 Keir Morse 
© 2019 Mary Conway 
© 2019 Mary Conway |
|
Loeflingia squarrosa Spreading loeflingia, Spreading pygmyleaf
native
Annual herb 
© 2010 Steve Matson 
© 2010 Steve Matson 
© 2010 Steve Matson |
|
Lolium multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass 
© 2019 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle
native
Shrub 
© 2014 James Gonsman 
© 2022 Suzanne L. Weakley 
© 2010 Toni Corelli |
|
Lotus heermannii var. orbicularis Round leaved heermann's lotus
native
Perennial herb 
© 2021 John Rawlings  © 2017 John Doyen  © 2014 Neal Kramer |
|
Lotus purshianus American bird's foot trefoil, Spanish lotus
native
Annual herb 
© 2019 Rachelle Gray 
© 2013 Arcangelo Wessells 
© 2017 David Wolfson |
|
Lotus scoparius var. scoparius Deerweed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Lotus strigosus Strigose lotus
native
Annual herb 
© 2024 Mike Russler 
© 2023 Ron Vanderhoff 
© 2016 Steve Matson |
|
Lupinus arboreus Coastal bush lupine, Yellow bush lupine
native
Shrub 
© 2020 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Lupinus chamissonis Beach blue lupine, Chamisso bush lupine, Dune bush lupine
native
Shrub 
© 2024 R.A. Chasey 
© 2022 Mike Russler 
© 2021 Cara Wilcox |
|
Lupinus nipomensis Nipomo lupine, Nipomo mesa lupine
• rare native
Annual herb 
© 2022 Justin Luong 
© 2022 Justin Luong 
© 2018 Michaela Robbins |
|
Malacothrix californica California dandelion, Desert dandelion
native
Annual herb 
© 2023 David Wolfson 
© 2023 David Wolfson 
© 2024 Ron Vanderhoff |
|
Malacothrix glabrata Desert dandelion, Smooth desertdandelion
native
Annual herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Malacothrix incana Dunedelion
• rare native
Perennial herb 
© 2020 David Greenberger 
© 2024 Mike Russler 
© 2006 Steve Matson |
|
Malva nicaeensis Bull mallow
non-native
Annual herb 
© 2023 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
© 2022 Mike Russler 
© 2022 Donald Burk 
© 2022 Mike Russler |
|
Matricaria matricarioides 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 |
|
Medicago polymorpha var. brevispina Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb
© 2019 Gary McDonald
© 2019 Gary McDonald
© 2019 Gary McDonald |
|
Medicago polymorpha var. 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 indica Annual yellow sweetclover, Sourclover
non-native
Annual herb 
© 2019 Randy Huey 
© 2019 Randy Huey 
© 2017 Rosalie Benitez |
|
Melilotus indicus Annual yellow sweetclover, Sourclover
non-native
Annual herb
© 2019 Randy Huey
© 2019 Randy Huey
© 2017 Rosalie Benitez |
|
Micropus californicus Cotton top, Micropus, Q tips
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2006 Steve Matson 
© 2024 Diane Etchison |
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 
© 2019 Stacie Wolny 
© 2015 James Gonsman 
© 2019 Stacie Wolny |
|
Monardella crispa Crisp monardella
• rare native
Annual herb 
© 2012 Terrence Gosliner  © Lyda Edge and CNPS  © 1999 Christopher L. Christie |
|
Monardella frutescens San luis obispo monardella
• rare native
Annual herb 
© 2012 Terrence Gosliner 
© 2012 John Sayers  © 1972 California Native Plant Society |
|
Morella californica California wax myrtle
native
Tree, Shrub 
© 2019 Michelle Karle 
© 2020 Kim Cabera 
© 2020 Susan McDougall |
|
Mucronea californica California spineflower
• rare native
Annual herb 
© 2020 David Greenberger 
© 2023 Matt Berger 
© 2023 Matt Berger |
|
Myoporum laetum Lollypop tree, Ngaio tree
• invasive non-native
Tree, Shrub 
© 2018 Ron Vanderhoff 
© 2017 James Bailey 
© 2022 Ron Vanderhoff |
|
Nemacaulis denudata var. denudata Coast woolly heads, Cottonheads
• rare native
Annual herb 
© 2014 David Varner 
© 2017 Keir Morse 
© 2019 Keir Morse |
|
Oenanthe sarmentosa Pacific oenanthe, Water parsley
native
Perennial herb 
© 2021 Don Hollander 
© 2021 Ron Vanderhoff 
© 2021 Rosaleen |
|
Oenothera elata ssp. hookeri Common evening primrose, Evening primrose, Hooker's evening primrose
native
Perennial herb 
© 2020 Suzanne L. Weakley 
© 2018 Suzanne L. Weakley 
© 2018 Toni Corelli |
|
Orobanche californica ssp. grandis California broomrape
native
Perennial herb (parasitic) 
© 2022 Joel A. Germond, Psy.D. 
© 2022 Joel A. Germond, Psy.D.  © 2002 Dean Wm. Taylor |
|
Orthocarpus densiflorus Dense flower owl's clover, Denseflower indian paintbrush
native
Annual herb
© 2023 Caitlin Kreutz
© 2019 David Greenberger
© 2018 Margarita Orlova |
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
© 2019 Gary McDonald 
© 2017 Angelique Herman 
© 2015 Richard Chasey |
|
Pennisetum clandestinum Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2017 Josh Nuzzo |
|
Pentagramma triangularis Gold back fern, Goldenback fern
native
Fern 
© 2024 Steve Conger 
© 2022 Cynthia Powell 
© 2023 Julia Markey |
|
Pentagramma triangularis ssp. viscosa Sticky gold back fern
native
Fern  © 2014 Keir Morse 
© 2025 Ron Vanderhoff 
© 2024 Ron Vanderhoff |
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2022 Ron Vanderhoff |
|
Phacelia douglasii Douglas' phacelia
native
Annual herb 
© 2019 Michael Mitchell 
© 2014 Michael Mitchell 
© 2019 Michael Mitchell |
|
Phacelia fremontii Fremont's phacelia
native
Annual herb 
© 2022 Steve Matson 
© 2022 Mike Russler 
© 2014 Steve Conger |
|
Phacelia ramosissima Branching phacelia
native
Perennial herb 
© 2005 Steve Matson 
© 2022 Rosalind Helfand 
© 2020 Ron Vanderhoff |
|
Phoenix canariensis Canary island date palm
• invasive non-native
Tree 
© 2020 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2021 James Bailey |
|
Pholisma arenarium Desert christmas tree, Desert pholisma, Dune food
native
Perennial herb (parasitic) 
© 2020 David Greenberger 
© 2019 Matt Berger 
© 2018 Peri Lee |
|
Picris echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
© 2016 Hayley Ross 
© 2019 Rachelle Gray 
© 2012 Elizabeth Brusati |
|
Pinus radiata Monterey pine
native
Tree 
© 2011 Toni Corelli 
© 2012 Michael Mitchell 
© 2012 Michael Mitchell |
|
Piptatherum miliaceum Smilo grass
• invasive non-native
Perennial grass 
© 2022 Donald Burk 
© 2022 Ron Vanderhoff 
© 2022 Donald Burk |
|
Pittosporum tobira Japanese cheesewood, Mock orange
non-native
Tree, Shrub 
© 2022 Ron Vanderhoff 
© 2017 Ron Vanderhoff 
© 2023 Aracely Lara |
|
Plantago coronopus Buckhorn plantain, Cut leaf plantain
• invasive non-native
Annual herb 
© 2022 R.A. Chasey 
© 2021 Zoya Akulova-Barlow 
© 2017 MCOSD Restoration Crew |
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb 
© 2008 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
© 2008 Steve Matson 
© 2019 Joe Engelbrecht 
© 2021 Ken Lunders |
|
Plantago major Common plantain
non-native
Perennial herb 
© 2019 Bob Sweatt 
© 2022 Diana Wahl 
© 2020 Ryan Carle |
|
Platanus racemosa California sycamore, Western sycamore
native
Tree 
© 2021 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp
non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Polygonum arenastrum Prostrate knotweed
non-native
Annual, Perennial herb 
© 2016 Barbara Boethling 
© 2021 Ron Vanderhoff 
© 2014 Richard Chasey |
|
Polygonum punctatum Dotted smartweed
native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2022 Helen Hancock |
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
© 2008 Steve Matson 
© 2014 Steve Matson 
© 2008 Steve Matson |
|
Populus balsamifera ssp. trichocarpa Black cottonwood
native
Tree 
© 2019 Ron Vanderhoff 
© 2012 Steve Matson 
© 2021 Ron Vanderhoff |
|
Portulaca oleracea Common purslane, Little hogweed, Purslane
non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2020 R.A. Chasey |
|
Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed
native
Perennial herb 
© 2022 R.A. Chasey 
© 2021 Charles Russell 
© 2022 R.A. Chasey |
|
Prunus fasciculata var. punctata Desert almond, Sand almond
• rare native
Shrub 
© 2024 Mike Russler 
© 2024 Mike Russler 
© 2024 Mike Russler |
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2005 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 |
|
Rhamnus californica California coffeeberry
native
Shrub 
© 2015 Steve Matson 
© 2016 Steve Matson 
© 2015 Steve Matson |
|
Ribes divaricatum var. pubiflorum Spreading gooseberry, Straggly gooseberry
native
Shrub  © 2024 emmashelton  © 2024 emmashelton 
© 2012 Terrence Gosliner |
|
Ricinus communis Castor bean, Castorbean
• invasive non-native
Shrub 
© 2017 Henry DiRocco 
© 2020 Aaron Echols 
© 2022 Ron Vanderhoff |
|
Rorippa nasturtium-aquaticum Watercress
native
Perennial herb (aquatic) 
© 2012 Steve Matson 
© 2012 Steve Matson 
© 2012 Steve Matson |
|
Rorippa palustris Bog yellow cress, Bog yellowcress
native
Annual, Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Rorippa palustris var. occidentalis 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 |
|
Sagina apetala Annual pearlwort, Dwarf pearlwort, Sticky pearlwort
non-native
Annual herb 
© 2022 Donald Burk 
© 2022 Donald Burk 
© 2023 R.A. Chasey |
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
© 2019 Steve Matson 
© 2022 Ron Vanderhoff 
© 2020 Steve Matson |
|
Salix lucida ssp. lasiandra Pacific willow
native
Tree 
© 2021 Alice Cummings 
© 2021 Diane Renshaw 
© 2017 Ron Vanderhoff |
|
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 |
|
Sambucus mexicana Blue elderberry
native
Tree, Shrub 
© 2021 Mike Russler 
© 2020 Diane Etchison 
© 2022 El Byrne |
|
Schismus arabicus Arabian schismus, Mediterranean grass
• invasive non-native
Annual grass 
© 2020 Ron Vanderhoff 
© 2017 James Bailey 
© 2022 Katherine Stratton |
|
Scirpus californicus California bulrush
native
Perennial grasslike herb 
© 2021 R.A. Chasey 
© 2020 Diane Etchison 
© 2021 R.A. Chasey |
|
Scirpus cernuus Low bulrush
native
Annual grasslike herb 
© 2021 R.A. Chasey 
© 2023 R.A. Chasey 
© 2018 Ron Vanderhoff |
|
Scirpus maritimus Alkali bulrush
native
Perennial grasslike herb 
© 2024 R.A. Chasey 
© 2024 R.A. Chasey 
© 2020 Ron Vanderhoff |
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb 
© 2022 Doug Allshouse 
© 2008 Steve Matson 
© 2013 Ron Vanderhoff |
|
Senecio blochmaniae Dune ragwort
• rare native
Shrub 
© 2024 David Wolfson 
© 2020 David Greenberger 
© 2020 David Wolfson |
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb 
© 2017 Barbara Boethling 
© 2023 Ron Vanderhoff 
© 2021 Toni Corelli |
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb 
© 2019 Mary Wloch 
© 2017 Gary McDonald 
© 2019 Gary McDonald |
|
Silene laciniata ssp. major Cardinal catchfly
native
Perennial herb 
© 2020 David Greenberger 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Sinapis arvensis Charlock mustard
• invasive non-native
Annual herb 
© 2020 Randy Huey 
© 2022 Mike Russler 
© 2023 Andy Ford |
|
Solanum americanum American black nightshade, Common nightshade, Small flowered nightshade
native
Annual, Perennial herb 
© 2009 Steve Matson 
© 2009 Steve Matson 
© 2009 Steve Matson |
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
© 2006 Steve Matson 
© 2024 Mike Russler 
© 2006 Steve Matson |
|
Solidago confinis Southern goldenrod
native
Perennial herb 
© 2022 Ryan O'Dell 
© 2021 Arlee Montalvo 
© 2021 Arlee Montalvo |
|
Sonchus asper Spiny sowthistle
non-native
Annual herb 
© 2010 Michael Mitchell 
© 2020 Julie A. Kierstead 
© 2017 MCOSD Restoration Crew |
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
© 2019 Diane Etchison 
© 2015 Jesse Rorabaugh 
© 2024 Ron Vanderhoff |
|
Sparganium eurycarpum Broadfruit bur reed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Spergula arvensis Corn spurry
non-native
Annual herb 
© 2019 Diane Etchison 
© 2022 David Strauch 
© 2022 Cynthia Powell |
|
Spergularia bocconei Boccone's sand spurry
non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Spergularia villosa Hairy sand spurrey, Hairy sandspurry, Villous sand spurry
non-native
Perennial herb 
© 2021 Ron Vanderhoff 
© 2011 Toni Corelli 
© 2021 Ron Vanderhoff |
|
Stellaria media Chickweed
non-native
Annual herb 
© 2018 Gary McDonald 
© 2018 Gary McDonald 
© 2015 Diane Etchison |
|
Stephanomeria virgata Rod wirelettuce, Tall stephanomeria, Twiggy wreath plant
native
Annual herb 
© 2022 Cynthia Powell 
© 2019 Steven M Norris 
© 2022 Helen Hancock |
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
© 2020 Ron Vanderhoff 
© 2019 Randy Huey 
© 2025 Mike Russler |
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Tropaeolum majus Garden nasturtium, Nasturtium
• invasive non-native
Annual herb, Vine 
© 2021 Julie A. Kierstead 
© 2024 Mike Russler 
© 2020 Jennifer Mo |
|
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 |
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb 
© 2019 Zack Abbey 
© 2019 Ron Vanderhoff 
© 2016 Ron Vanderhoff |
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb 
© 2019 Gary McDonald 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb 
© 2010 Steve Matson 
© 2010 Steve Matson 
© 2019 Mary Conway |
|
Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Vicia sativa ssp. nigra? Spring vetch
non-native
Annual herb, Vine 
© 2022 David Wolfson 
© 2019 Cynthia Powell 
© 2023 Ron Vanderhoff |
|
Vulpia bromoides Brome fescue
non-native
Annual grass 
© 2022 Diana Wahl 
© 2021 Toni Corelli 
© 2021 David popp |
|
Vulpia myuros var. hirsuta Rattail sixweeks grass
• invasive non-native
Annual grass 
© 2021 Aaron Echols 
© 2021 Ron Vanderhoff 
© 2022 John Rawlings |
|
Vulpia octoflora Sixweeks grass
native
Annual grass 
© 2023 R.A. Chasey 
© 2020 Sara Timby 
© 2018 Ken Hickman |
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Yabea microcarpa California hedge parsley, False carrot
native
Annual herb 
© 2021 Helen Hancock 
© 2022 R.A. Chasey 
© 2012 Toni Corelli |
|
Zantedeschia aethiopica Calla lily, Callalily, Common calla
• invasive non-native
Perennial herb 
© 2020 Jennifer Mo 
© 2020 Ron Vanderhoff 
© 2021 MCOSD EDRR |
