| ||||||
|
Arroyo Seco
San Gabriel Mountains Los Angeles County |
|
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| Bob Muns / Tom Chester (2001-01-01) | ||||||
| 203 PLANTS |
|
Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree 
© 2016 Steve Matson 
© 2018 Steve Matson 
© 2018 Steve Matson |
|
Adenostoma fasciculatum Chamise
native
Tree, Shrub 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
|
Agave americana American century plant
non-native
Shrub 
© 2021 Ron Vanderhoff 
© 2017 MCOSD EDRR 
© 2021 Ron Vanderhoff |
|
Ageratina adenophora Sticky snakeroot, Thoroughwort
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2017 Keir Morse 
© 2021 Heather Brady DeQuincy |
|
Ailanthus altissima Ailanthus, Tree of heaven
• invasive non-native
Tree 
© 2022 Jenny Gossett 
© 2022 Jenny Gossett 
© 2020 Julie A. Kierstead |
|
Alnus rhombifolia White alder
native
Tree 
© 2005 BOB CASE 
© 2014 Garth Wadsworth 
© 2023 Ron Vanderhoff |
|
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 |
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb 
© 2017 B.J. Dion 
© 2022 Chris McDonald 
© 2023 Ron Vanderhoff |
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb 
© 2017 Diane Etchison 
© 2019 Nathan Taxel 
© 2019 Dave Beller |
|
Anthriscus caucalis Bur chervil
non-native
Annual herb, Vine 
© 2021 Aaron Echols 
© 2024 Ron Vanderhoff 
© 2020 Jennifer Mo |
|
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 |
|
Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Arundo donax Giant reed
• invasive non-native
Perennial grass 
© 2013 Miriam Sachs Martin 
© 2020 Jennifer Mo 
© 2018 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 Matt Berger |
|
Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat
native
Shrub 
© 2023 Julia Markey 
© 2020 Aaron Echols 
© 2023 Julia Markey |
|
Bidens pilosa var. pilosa Hairy beggarticks
non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2020 David Wolfson |
|
Bloomeria crocea Common goldenstar, Golden star
native
Perennial herb 
© 2018 Janith Johnson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Boykinia rotundifolia Round leaved boykinia
native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Brickellia californica Brickell bush, California brickellbush, California brickellia
native
Perennial herb 
© 2020 Diane Etchison 
© 2018 Diane Etchison 
© 2022 Ron Vanderhoff |
|
Brickellia nevinii Nevin's brickellbush, Nevin's brickellia
native
Shrub 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
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 madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome
non-native
Annual grass 
© 2022 Steve Matson 
© 2023 Stephen H Siemsen 
© 2015 Chris Jaster |
|
Calystegia macrostegia Island false bindweed, Island morning glory
native
Perennial herb, Vine 
© 2020 Steven M Norris 
© 2022 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Camissonia californica California primrose
native
Annual herb 
© 2019 Elexis Padron 
© 2019 Ron Vanderhoff 
© 2019 Elexis Padron |
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
© 2008 Steve Matson 
© 2019 Cynthia Powell 
© 2022 Doug Allshouse |
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2023 Diana Wahl 
© 2017 Gary McDonald |
|
Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush
native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2019 Diane Etchison |
|
Ceanothus leucodermis Chaparral whitethorn
native
Shrub 
© 2020 Bryant Baker 
© 2019 Ron Vanderhoff 
© 2019 Bryant Baker |
|
Ceanothus oliganthus Hairy ceanothus
native
Shrub 
© 2021 Bryant Baker 
© 2017 Steve Matson 
© 2019 Ron Vanderhoff |
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Laura Anna Arellano |
|
Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany
native
Tree, Shrub 
© 2020 Rebecca Schoenenberger 
© 2020 Aaron Echols 
© 2016 Cindy Roessler |
|
Chamomilla suaveolens Pineapple weed
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2018 Stacie Wolny |
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb 
© 2022 Ron Vanderhoff 
© 2014 Toni Corelli 
© 2022 Ron Vanderhoff |
|
Chenopodium ambrosioides Mexican tea
non-native
Annual, Perennial herb 
© 2020 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Chenopodium botrys Jerusalem oak goosefoot
non-native
Annual herb 
© 2022 Steve Matson 
© 2021 BLM Redding Field Office 
© 2023 R.A. Chasey |
|
Chenopodium murale Nettle leaf goosefoot, Sowbane
non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2020 Ron Vanderhoff |
|
Cirsium occidentale Cobweb thistle, Western thistle
native
Perennial herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia
native
Annual herb 
© 2019 David Greenberger 
© 2019 Bryant Baker 
© 2021 Mike Russler |
|
Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)
native
Annual herb 
© 2008 Steve Matson 
© 2019 Gary McDonald 
© 2020 Ron Vanderhoff |
|
Clematis lasiantha Chaparral clematis, Pipestem
native
Perennial herb, Vine 
© 2008 Steve Matson 
© 2018 Steve Matson 
© 2018 Steve Matson |
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
© 2019 James Bailey 
© 2013 Toni Corelli 
© 2016 Cynthia Powell |
|
Conyza bonariensis Flax-leaved horseweed
non-native
Annual herb 
© 2021 Donald Burk 
© 2017 Gary McDonald 
© 2023 Ron Vanderhoff |
|
Conyza canadensis Canada horseweed
native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Mike Russler |
|
Coronopus didymus Lesser swine cress
non-native
Annual herb 
© 2022 Shawna Martinez 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb 
© 2023 Mike Russler 
© 2022 Ron Vanderhoff 
© 2023 Mike Russler |
|
Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange
native
Perennial herb, Vine 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2021 Ron Vanderhoff |
|
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 |
|
Cytisus scoparius Scotch broom, Scotchbroom
• invasive non-native
Shrub 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca
native
Perennial herb 
© 2017 Lisa Miller 
© 2019 Ron Vanderhoff 
© 2020 Mike McNamara |
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
© 2019 Diane Etchison 
© 2022 David Wolfson 
© 2021 Ken Lunders |
|
Delphinium cardinale Scarlet larkspur
native
Perennial herb 
© Geoff Burleigh 
© 2021 Colin Barrows 
© 2018 Mike Libby |
|
Dichelostemma capitatum Blue dicks
native
Perennial herb 
© 2023 Steve Matson 
© 2023 Steve Matson 
© 2022 Steve Matson |
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern 
© 2018 James Gonsman 
© 2019 Rebecca Crowe 
© 2023 Julia Markey |
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2020 Steven M Norris 
© 2020 Steven M Norris |
|
Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass
non-native
Annual grass 
© 2016 Barbara Boethling 
© 2022 R.A. Chasey  © 2008 Zoya Akulova |
|
Epilobium canum California fuchsia, Hummingbird trumpet, zauschneria
native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2015 Gerald Carr 
© 2015 Gerald Carr |
|
Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb
native
Perennial herb 
© 2021 stephen rosenthal 
© 2019 Patrick Furtado 
© 2019 Gary McDonald |
|
Ericameria pinifolia Pine bush, Pinebush
native
Shrub 
© 2022 Ron Vanderhoff  © 2015 Keir Morse 
© 2022 Ron Vanderhoff |
|
Erigeron foliosus Leafy daisy, Leafy fleabane
native
Perennial herb 
© 2022 Ron Vanderhoff 
© 2022 Ryan O'Dell 
© 2023 R.A. Chasey |
|
Eriodictyon crassifolium Felt leaved yerba santa, Thick leaved yerba santa, Thickleaf yerba santa
native
Shrub 
© 2023 Julia Markey 
© 2020 Bonnie Nickel 
© 2021 Mary Herr |
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb 
© 2017 Ron Vanderhoff 
© 2019 Aaron Echols 
© 2021 Mike Russler |
|
Eriogonum fasciculatum California buckwheat, Eastern mojave buckwheat
native
Shrub 
© 2021 Phyllis Fitzsimons 
© 2019 Ron Vanderhoff 
© 2017 Ron Vanderhoff |
|
Eriophyllum confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
© 2019 Stacie Wolny 
© 2022 Mojgan Mahdizadeh 
© 2019 Marisa Persaud |
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
© 2022 Steve Matson 
© 2008 Steve Matson 
© 2022 Steve Matson |
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Erysimum capitatum Sanddune wallflower, Western wallflower
native
Perennial herb 
© 2018 Janith Johnson 
© 2023 Julia Markey 
© 2019 Diane Etchison |
|
Eschscholzia californica California poppy
native
Annual, Perennial herb 
© 2019 Dee Shea Himes 
© 2021 Ron Vanderhoff 
© 2019 Amy Rapport |
|
Eucrypta chrysanthemifolia Common eucrypta, Spotted eucrypta, Spotted hideseed
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Euphorbia peplus Petty spurge
non-native
Annual herb 
© 2006 Steve Matson 
© 2022 Alice Cummings  © 2005 Luigi Rignanese |
|
Filago gallica Narrowleaf cottonrose
non-native
Annual herb 
© 2017 Barbara Boethling 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Galium angustifolium Narrow leaved bedstraw, Narrowleaf bedstraw
native
Perennial herb 
© 2019 Bonnie Nickel 
© 2017 Diane Etchison 
© 2020 Ron Vanderhoff |
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2005 Steve Matson 
© 2020 Ron Vanderhoff |
|
Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
Gilia capitata Blue field gilia, Bluehead gilia
native
Annual herb 
© 2011 Gerald Carr 
© 2022 Ron Vanderhoff 
© 2011 Gerald Carr |
|
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 canescens Wright's cudweed
native
Perennial herb  © 2005 Laura Ann Eliassen  © 2005 Keir Morse  © 2010 Gary A. Monroe |
|
Gnaphalium luteo-album Jersey cudweed
non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2021 Ron Vanderhoff |
|
Gnaphalium purpureum Featherweed
native
Perennial herb 
© 2019 Gary McDonald 
© 2021 Zoya Akulova-Barlow 
© 2019 Gary McDonald |
|
Hazardia squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub 
© 2018 Mary Conway 
© 2019 Bonnie Nickel 
© 2022 Ron Vanderhoff |
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub 
© 2019 Claire Mallen 
© 2017 Allison Titus 
© 2022 Catherine Talbot |
|
Hedypnois cretica Crete weed
non-native
Annual herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower
native
Annual herb 
© 2019 Bob Case 
© 2019 Bob Case 
© 2021 Mike Russler |
|
Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle
native
Annual herb 
© 2023 Ken-ichi Ueda 
© 2006 Steve Matson 
© 2020 Ken Hickman |
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub 
© 2015 James Gonsman 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb 
© 2021 Mike Russler 
© 2021 Mike Russler 
© 2021 Mike Russler |
|
Heterotheca villosa Hairy false goldenaster, Hairy goldenaster
native
Perennial herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
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 
© 2019 Gary McDonald 
© 2017 Gary McDonald |
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2017 Gary McDonald 
© 2019 Ron Vanderhoff |
|
Juncus textilis Basket rush
native
Perennial grasslike herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb 
© 2016 Erik Larsen 
© 2017 Ron Vanderhoff 
© 2023 R.A. Chasey |
|
Keckiella cordifolia Climbing penstemon, Heart leaved keckiella, Heartleaf keckiella
native
Shrub 
© 2020 Ron Vanderhoff 
© 2022 Bryant Baker 
© 2022 Bryant Baker |
|
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 |
|
Lamium amplexicaule Giraffe head, Henbit deadnettle
non-native
Annual herb 
© 2005 Steve Matson 
© 2005 Steve Matson 
© 2021 Mike Russler |
|
Lathyrus vestitus Bolander's pea, Common pacific pea, Pacific peavine
native
Perennial herb 
© 2018 Stacie Wolny 
© 2019 Ron Vanderhoff 
© 2019 Steve Conger |
|
Lepidium virginicum Virginia pepperweed, Wild pepper grass
native
Annual herb 
© 2020 David Greenberger 
© 2020 Aaron Echols 
© 2021 Jacob Smith |
|
Lepidospartum squamatum California broomsage, California broomshrub, Scale broom
native
Shrub 
© 2021 Mike Russler 
© 2021 David Wolfson 
© 2021 Mike Russler |
|
Leptodactylon californicum Prickly phlox
native
Shrub 
© 2018 Ron Vanderhoff 
© 2020 Matt Berger 
© 2019 Diane Etchison |
|
Lessingia filaginifolia Common sandaster
native
Perennial herb 
© 2022 Mike Russler 
© 2018 Ron Vanderhoff 
© 2019 Diane Etchison |
|
Leymus condensatus Giant wild rye
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2022 John Rawlings 
© 2020 Diane Etchison |
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb 
© 2016 Michael Mitchell 
© 2016 Michael Mitchell 
© 2019 Patrick Furtado |
|
Lonicera subspicata Southern honeysuckle
native
Shrub 
© 2022 David Strauch 
© 2017 Diane Etchison 
© 2018 David Greenberger |
|
Lotus purshianus var. purshianus American bird's foot trefoil, American trefoil, Spanish lotus
native
Annual herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Lotus salsuginosus Coastal lotus
native
Annual herb 
© 2019 Diane Etchison 
© 2023 Ron Vanderhoff 
© 2020 Mary Conway |
|
Lotus scoparius Deerweed
native
Perennial herb 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2020 Ron Vanderhoff |
|
Lupinus hirsutissimus Stinging annual lupine, Stinging lupine
native
Annual herb 
© 2024 Mike Russler 
© 2023 Neil Uelman 
© 2019 Ron Vanderhoff |
|
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 |
|
Malacothrix saxatilis Cliff aster, Cliff desertdandelion
native
Perennial herb 
© 2019 Marisa Persaud 
© 2023 Ron Vanderhoff 
© 2019 Adonis Tate |
|
Malosma laurina Laurel sumac
native
Tree, Shrub 
© 2015 Steven M Norris 
© 2018 susan Bashore 
© 2023 Ron Vanderhoff |
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
© 2022 Mike Russler 
© 2022 Donald Burk 
© 2022 Mike Russler |
|
Marah macrocarpus Chilicothe
native
Perennial herb, Vine 
© 2020 David Greenberger 
© 2022 David Strauch 
© 2021 david berman |
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb 
© ©2013 Gary McDonald 
© 2015 Diane Etchison 
© 2018 Nancy Hamlett |
|
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 indica Annual yellow sweetclover, Sourclover
non-native
Annual herb 
© 2019 Randy Huey 
© 2019 Randy Huey 
© 2017 Rosalie Benitez |
|
Mimulus aurantiacus Orange Bush Monkeyflower
native
Shrub 
© 2024 Steve Conger 
© 2024 Steve Conger 
© 2019 Gary McDonald |
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb 
© 2014 James Gonsman 
© 2023 Steve Conger 
© 2021 Mike Russler |
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 
© 2019 Stacie Wolny 
© 2015 James Gonsman 
© 2019 Stacie Wolny |
|
Mirabilis californica California four o'clock
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Nerium oleander Oleander
• invasive non-native
Tree 
© 2019 Celeste Dodge 
© 2022 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub 
© 2019 Jean B Henney 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Oenothera elata Evening primrose, Hooker's evening primrose
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Diane Etchison 
© 2020 Bob Sweatt |
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent) 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
© 2015 Richard Chasey 
© 2017 Angelique Herman 
© 2019 Gary McDonald |
|
Parietaria hespera Pelitory, Pellitory, Rillita pellitory
native
Annual herb 
© 2022 Matt Berger 
© 2019 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern 
© 2023 Steve Conger 
© 2021 Steve Matson 
© 2021 Mike Russler |
|
Pentagramma triangularis Gold back fern, Goldenback fern
native
Fern 
© 2024 Steve Conger 
© 2022 Cynthia Powell 
© 2023 Julia Markey |
|
Phacelia cicutaria Caterpillar phacelia
native
Annual herb 
© 2019 Ron Vanderhoff 
© 2016 Julie Watson 
© 2014 Diane Etchison |
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2022 Ron Vanderhoff |
|
Phacelia minor California bluebell, Wild canterbury bells
native
Annual herb 
© 2020 David Greenberger 
© 2019 Matt Berger 
© 2020 stephen montgomery |
|
Phacelia ramosissima Branching phacelia
native
Perennial herb 
© 2005 Steve Matson 
© 2022 Rosalind Helfand 
© 2020 Ron Vanderhoff |
|
Phoradendron macrophyllum Big leaf mistletoe
native
Shrub (parasitic) 
© 2021 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Piptatherum miliaceum Smilo grass
• invasive non-native
Perennial grass 
© 2022 Donald Burk  © 2009 Keir Morse 
© 2022 Donald Burk |
|
Plantago indica Indian plantain
non-native
Annual herb 
© 2020 Ron Vanderhoff 
© 2016 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 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 
© 2019 Rachelle Gray |
|
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 |
|
Polypodium californicum California polypody
native
Fern 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2023 Keir Morse |
|
Prunus ilicifolia Holly leaf cherry, Holly leaved cherry, Hollyleaf cherry
native
Tree, Shrub 
© 2022 David Strauch 
© 2019 Marisa Persaud 
© 2019 Bryant Baker |
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2022 Bob Sweatt |
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2005 Steve Matson |
|
Quercus agrifolia California live oak, Coast live oak
native
Tree 
© 2019 Patrick Furtado 
© 2022 Andy Ford 
© 2018 Marcyn Del Clements |
|
Quercus berberidifolia Inland scrub oak
native
Tree 
© 2022 David Strauch 
© 2020 Cynthia Keiser 
© 2020 Cynthia Keiser |
|
Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak
native
Tree 
© 2017 Aaron Sunshine 
© 2020 R.A. Chasey 
© 2018 joaquin hale |
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb 
© 2019 David Greenberger 
© 2021 Ron Vanderhoff 
© 2017 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 
© 2019 Talila Golan 
© 2018 Mary Conway 
© 2015 Steve Matson |
|
Rhamnus crocea Redberry buckthorn
native
Shrub 
© 2011 Michael Mitchell 
© 2022 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry
native
Shrub 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2006 Steve Matson |
|
Rhus integrifolia Lemonade berry, Lemonade sumac
native
Shrub 
© 2020 David Greenberger 
© 2019 Ron Vanderhoff 
© 2024 Ron Vanderhoff |
|
Rhus ovata Sugar bush, Sugar sumac
native
Shrub 
© 2020 Bryant Baker 
© 2020 Bryant Baker 
© 2019 Bryant Baker |
|
Rhus trilobata Fragrant sumac, Skunk Bush
native
Shrub 
© 2018 Steve Matson 
© 2018 Steve Matson 
© 2018 Steve Matson |
|
Ribes aureum Golden currant
native
Shrub 
© 2004 Steve Matson 
© 2004 Steve Matson 
© 2004 Steve Matson |
|
Ribes malvaceum Chaparral currant
native
Shrub 
© 2020 Bryant Baker 
© 2020 Bryant Baker 
© 2020 Bryant Baker |
|
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) 
© 2019 Patrick Furtado 
© 2019 Diane Etchison 
© 2012 Steve Matson |
|
Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
© 2014 James Gonsman 
© 2020 Julie A. Kierstead 
© 2018 Richard Spjut |
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub 
© 2018 Ken Lunders 
© 2019 Ron Vanderhoff 
© 2015 Kelli Kallenborn |
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
© 2018 Tim Lewis 
© 2019 Diane Etchison 
© 2023 Ron Vanderhoff |
|
Salix gooddingii Goodding's black willow, Goodding's willow, Gooding's willow
native
Tree 
© 2020 Ron Vanderhoff 
© 2021 Richard Spjut 
© 2020 Ron Vanderhoff |
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2020 Steve Matson |
|
Salvia apiana White sage
native
Shrub 
© 2019 Hannah Garcia 
© 2019 Ron Vanderhoff 
© 2020 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 |
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Senecio flaccidus Shrubby ragwort, Threadleaf ragwort
native
Shrub 
© 2019 Ron Vanderhoff 
© 2020 Steve Matson 
© 2021 Mike Russler |
|
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 |
|
Sisymbrium irio London rocket
• invasive non-native
Annual herb 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Mike Russler |
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb 
© 2021 Ann Garside 
© 2022 Julian Geoghegan 
© 2021 Ron Vanderhoff |
|
Sisymbrium orientale Indian hedge mustard, Oriental hedge mustard
non-native
Annual, Perennial herb 
© 2019 Diane Etchison 
© 2021 Paul Aigner 
© 2021 Ron Vanderhoff |
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade
native
Perennial herb, Shrub 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
© 2019 Diane Etchison 
© 2015 Jesse Rorabaugh 
© 2024 Ron Vanderhoff |
|
Spartium junceum Gorse, Spanish broom
• invasive non-native
Shrub 
© 2020 Ron Vanderhoff  © 2006 Jennifer Naegele 
© 2021 Mary Herr |
|
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 |
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2021 Ron Vanderhoff |
|
Tauschia arguta Southern tauschia, Southern umbrellawort
native
Perennial herb 
© 2019 Matt Berger 
© 2020 Bryant Baker 
© 2019 Diane Etchison |
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb 
© 2021 Helen Hancock 
© 2021 R.A. Chasey 
© 2021 Helen Hancock |
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
© 2020 Ron Vanderhoff 
© 2019 Randy Huey 
© 2021 Bryant Baker |
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree 
© 2023 Mary Ann Machi 
© 2016 Steve Matson 
© 2023 Mary Ann Machi |
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb 
© 2019 Gary McDonald 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Verbascum blattaria Moth mullein
non-native
Perennial herb 
© 2023 Alaine Arslan 
© 2019 Marisa Persaud 
© 2019 Patrick Furtado |
|
Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb 
© 2021 R.A. Chasey 
© 2020 Kim Cabrera 
© 2019 Marisa Persaud |
|
Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2022 Bob Sweatt |
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb 
© 2020 Julia Markey 
© 2022 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Vitis girdiana Desert wild grape, Southern california grape
native
Vine, Shrub 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2021 Aaron Echols |
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Yucca whipplei Chaparral yucca
native
Shrub 
© Geoff Burleigh 
© 2023 Jordan Collins 
© 2020 Julia Markey |
