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|
Cerro San Luis
Cerro San Luis (San Luis Mountain) San Luis Obispo County, California San Luis Obispo County |
|
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| David Keil / CNPS-SLO (2019-06-09) | ||||||
| 197 PLANTS |
|
Acacia melanoxylon Blackwood acacia
• invasive non-native
Tree 
© 2022 Julian Geoghegan 
© 2019 Julian Geoghegan 
© 2023 Jennifer Mo |
|
Achillea millefolium Common yarrow
native
Perennial herb 
© 2022 Andy Ford 
© 2020 Bob Sweatt 
© 2018 Gary McDonald |
|
Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus
native
Annual herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Acmispon glaber var. glaber Deerweed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Acmispon maritimus var. maritimus Coastal lotus
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Acmispon strigosus Strigose lotus
native
Annual herb 
© 2016 Steve Matson 
© 2009 Steve Matson 
© 2016 Steve Matson |
|
Acmispon wrangelianus Wrangel lotus
native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Acourtia microcephala Sacapellote
native
Perennial herb 
© 2022 Diane Etchison 
© 2019 Ron Vanderhoff 
© 2021 Aaron Echols |
|
Adiantum jordanii Adiantum, maiden hair fern
native
Fern 
© 2022 BOB CASE 
© 2019 Ron Vanderhoff 
© 2023 Mike Russler |
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb 
© 2007 Gerald Carr 
© 2007 Gerald Carr 
© 2012 Michael Mitchell |
|
Agrostis pallens Leafy bent grass, Diego bent grass, Seashore bentgrass
native
Perennial grass 
© 2021 John Rawlings 
© 2020 Susan McDougall 
© 2021 John Rawlings |
|
Antirrhinum kelloggii Climbing snapdragon, Kellogg's snapdragon, Lax snapdragon
native
Annual herb 
© 2024 David Strauch 
© 2019 David Greenberger 
© 2019 Ron Vanderhoff |
|
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 |
|
Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb 
© 2021 Joel A. Germond, Psy.D. 
© 2020 David Greenberger 
© 2020 David Greenberger |
|
Astragalus didymocarpus var. milesianus Dwarf white milkvetch, Miles' milk vetch
• rare native
Annual herb  © 2012 Steve Matson  © 2012 Steve Matson  © 2014 Chris Winchellll |
|
Atriplex lentiformis Big saltbush
native
Shrub 
© 2018 Rachelle Gray 
© 2017 Ron Vanderhoff 
© 2021 Richard Spjut |
|
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 |
|
Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb 
© 2015 James Gonsman 
© 2019 Diane Etchison 
© 2020 Diane Etchison |
|
Bidens pilosa Hairy beggarticks
non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2020 David Wolfson |
|
Blepharizonia laxa Glandular big tarweed
native
Annual herb 
© 2019 Jacob Smith 
© 2021 Mike Russler 
© 2021 Mike Russler |
|
Blitum californicum Small Tree-Mallow
|
|
Brachypodium hybridum Small Tree-Mallow
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb 
© 2021 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 rubens Red brome
• invasive non-native
Annual grass 
© 2015 Chris Jaster 
© 2015 jamie smith 
© 2018 Gary McDonald |
|
Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
• rare native
Perennial herb (bulb) 
© 2020 David Wolfson 
© 2020 David Krause 
© 2023 Mike Russler |
|
Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine 
© 2017 Michael Mitchell 
© 2020 James Gonsman 
© 2017 Michael Mitchell |
|
Cardamine californica California toothwort, milkmaids
native
Perennial herb 
© 2020 Barbara Peck 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2023 Diana Wahl 
© 2017 Gary McDonald |
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb 
© 2021 Michelle Karle 
© 2017 Lisa Miller 
© 2018 Cynthia Powell |
|
Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb 
© 2024 Kyle Suchy 
© 2023 Kyle Suchy 
© 2024 Kyle Suchy |
|
Cenchrus setaceus Small Tree-Mallow
|
|
Centaurea calcitrapa Purple star thistle, Red star thistle
• invasive non-native
Annual, Perennial herb 
© 2021 R.A. Chasey 
© 2019 MCOSD EDRR 
© 2022 R.A. Chasey |
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Laura Anna Arellano |
|
Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb 
© 2021 Sue Graue 
© 2015 Sharon King & Randy Aeschliman 
© 2018 Karen Scheuermann |
|
Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb 
© 2021 George Williams 
© 2021 Julia Kosowitz 
© 2021 Bob Sweatt |
|
Cirsium brevistylum Clustered thistle, Indian thistle
native
Perennial herb 
© 2019 Steve Davison 
© 2018 Brian Charles 
© 2019 Aleksandra Evert |
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
© 2017 James Bailey 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
|
Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb 
© 2023 Ron Vanderhoff 
© 2020 Steve Laymon 
© 2020 Steve Laymon |
|
Clarkia epilobioides Canyon clarkia, Willow herb clarkia
native
Annual herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2008 Steve Matson |
|
Collinsia heterophylla Purple chinese houses
native
Annual herb 
© 2022 Mary Ann Machi 
© 2019 David Greenberger 
© 2019 Ron Vanderhoff |
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
© 2022 Mike Russler 
© 2018 Ron Vanderhoff 
© 2019 Diane Etchison |
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
• invasive non-native
Shrub 
© 2021 David Wolfson 
© 2019 Cynthia Powell 
© 2018 MCOSD EDRR |
|
Croton setiger Turkey-mullein
native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2014 Richard Chasey |
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb 
© 2016 Joan Hampton 
© 2021 Ken Lunders 
© 2014 James Gonsman |
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass 
© 2018 Jennifer Mo 
© 2020 Jim Richards 
© 2017 Gary McDonald |
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
© 2019 Diane Etchison 
© 2022 David Wolfson 
© 2021 Ken Lunders |
|
Deinandra fasciculata Clustered tarweed
native
Annual herb 
© 2022 David Strauch 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Delairea odorata Cape ivy
• invasive non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Diplacus aurantiacus var. aurantiacus Orange Bush Monkeyflower
native
Shrub 
© 2024 Steve Conger 
© 2024 Steve Conger 
© 2019 Gary McDonald |
|
Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb 
© 2019 Danielle Carney 
© 2022 Jennifer Mo 
© 2022 David Strauch |
|
Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb 
© 2008 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass 
© 2020 Matt Berger 
© 2019 Ron Vanderhoff 
© 2022 Donald Burk |
|
Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb 
© 2020 Diane Etchison 
© 2017 Steve Matson 
© 2021 Mike Russler |
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern 
© 2023 Julia Markey 
© 2019 Rebecca Crowe 
© 2018 James Gonsman |
|
Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb 
© 2023 Mike Russler 
© 2023 Mike Russler 
© 2023 Mike Russler |
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2020 Steven M Norris 
© 2020 Steven M Norris |
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2003 Steve Matson |
|
Elymus condensatus Giant wild rye
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2022 John Rawlings 
© 2020 Diane Etchison |
|
Elymus triticoides Beardless wild rye
native
Perennial grass 
© 2018 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2018 Rachelle Gray |
|
Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2010 Steve Matson |
|
Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Erigeron bonariensis Flax-leaved horseweed
non-native
Annual herb 
© 2021 Donald Burk 
© 2017 Gary McDonald 
© 2023 Ron Vanderhoff |
|
Erigeron canadensis Canada horseweed
native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Mike Russler |
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub 
© 2023 Ron Vanderhoff 
© 2021 Jacob Martin 
© 2022 Ron Vanderhoff |
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb 
© 2017 Ron Vanderhoff 
© 2019 Aaron Echols 
© 2021 Mike Russler |
|
Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub 
© 2022 Mary Conway 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
© 2024 Richard Spjut 
© 2013 James Gonsman 
© 2020 Ron Vanderhoff |
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb 
© 2016 Bob van Duinen 
© 2020 Angelique Herman 
© 2016 Steve Matson |
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
© 2022 Steve Matson 
© 2008 Steve Matson 
© 2022 Steve Matson |
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Eschscholzia californica California poppy
native
Annual, Perennial herb 
© 2019 Dee Shea Himes 
© 2021 Ron Vanderhoff 
© 2019 Amy Rapport |
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta, Spotted hideseed
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Festuca bromoides Brome fescue
non-native
Annual grass 
© 2022 Diana Wahl 
© 2021 Toni Corelli 
© 2021 David popp |
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
© 2019 Ron Vanderhoff 
© 2017 Gary McDonald 
© 2021 Ron Vanderhoff |
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
© 2019 Nicole Leatherman 
© 2019 Ron Vanderhoff 
© 2018 Henry DiRocco |
|
Frangula californica ssp. californica California coffeeberry
native
Shrub 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2019 Ron Vanderhoff |
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
© 2020 Ron Vanderhoff 
© 2005 Steve Matson 
© 2020 Ron Vanderhoff |
|
Gamochaeta ustulata Featherweed
native
Perennial herb 
© 2019 Gary McDonald 
© 2021 Zoya Akulova-Barlow 
© 2019 Gary McDonald |
|
Gastridium phleoides Nit grass
non-native
Annual grass 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2017 Gary McDonald |
|
Genista monspessulana French broom
• invasive non-native
Shrub 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2021 Michelle Karle |
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
© 2021 Al Keuter 
© 2023 Ron Vanderhoff 
© 2014 Bryan Derr |
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub 
© 2021 Mike Russler 
© 2021 Mary Conway 
© 2021 Mary Conway |
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb 
© 2021 Mike Russler 
© 2019 Patrick Furtado 
© 2018 Rachelle Gray |
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
© 2016 Hayley Ross 
© 2019 Rachelle Gray 
© 2012 Elizabeth Brusati |
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb 
© 2013 Arcangelo Wessells 
© 2022 R.A. Chasey 
© 2022 R.A. Chasey |
|
Hesperocyparis sargentii Sargent cypress
native
Tree, Shrub 
© 2021 Bryant Baker 
© 2021 R.A. Chasey 
© 2021 Bryant Baker |
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub 
© 2015 James Gonsman 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb 
© 2021 Mike Russler 
© 2021 Mike Russler 
© 2021 Mike Russler |
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Ron Vanderhoff |
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2022 Steve Matson |
|
Hordeum marinum subsp gussoneanum Small Tree-Mallow
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass 
© 2022 Ron Vanderhoff 
© 2021 Al Keuter 
© 2021 Ron Vanderhoff |
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 
© 2021 John Rawlings 
© 2023 R.A. Chasey 
© 2019 Ron Vanderhoff |
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb 
© 2022 R.A. Chasey 
© 2022 R.A. Chasey 
© 2018 Emily Allen |
|
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 |
|
Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue
native
Shrub 
© 2020 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2020 Diane Etchison |
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2015 Steve Matson |
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb 
© 2021 Don Hollander 
© 2019 Stacie Wolny 
© 2021 Don Hollander |
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Lamarckia aurea Goldentop grass
non-native
Annual grass 
© 2017 B.J. Dion 
© 2019 Ron Vanderhoff 
© 2015 James Gonsman |
|
Lathyrus odoratus Common sweet pea, Garden sweet pea, Sweetpea
non-native
Annual herb 
© 2017 danielle noe 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb 
© 2023 Steve Conger 
© 2022 Charles Russell 
© 2015 Chris Jaster |
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb 
© 2017 Barbara Boethling 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
• rare native
Perennial herb 
© 2020 David Greenberger 
© 2023 Mike Russler 
© 2021 Patrick Furtado |
|
Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub 
© 2012 Michael Mitchell 
© 2020 Richard Spjut 
© 2020 Susan McDougall |
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb 
© 2024 Mary Ann Machi 
© 2022 Mike Russler 
© 2024 Mary Ann Machi |
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 
© 2017 B.J. Dion 
© 2022 Chris McDonald 
© 2023 Ron Vanderhoff |
|
Lythrum hyssopifolia Hyssop loosestrife
• invasive non-native
Annual, Perennial herb 
© 2019 Diane Etchison 
© 2021 Cynthia Powell 
© 2020 Ron Vanderhoff |
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb 
© 2013 Ron Vanderhoff 
© 2021 David Wolfson 
© 2021 Zoya Akulova-Barlow |
|
Marah fabacea California man-root
native
Perennial herb, Vine 
© 2018 Gary McDonald 
© 2018 MCOSD EDRR 
© 2021 Cyril Guyot |
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb 
© ©2013 Gary McDonald 
© 2015 Diane Etchison 
© 2018 Nancy Hamlett |
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Micranthes californica Greene's saxifrage
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb 
© 2022 Helen Hancock 
© 2019 Diane Renshaw 
© 2022 Helen Hancock |
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent) 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass 
© 2018 Ron Vanderhoff 
© 2017 Barbara Boethling 
© 2021 Ron Vanderhoff |
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern 
© 2008 Steve Matson 
© 2008 Steve Matson 
© 2019 Gary McDonald |
|
Persicaria punctata Dotted smartweed
native
Perennial herb 
© 2018 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2022 Helen Hancock |
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb 
© 2019 Steve Matson 
© 2019 Steve Matson 
© 2019 Steve Matson |
|
Phalaris paradoxa Hood canarygrass
non-native
Annual grass 
© 2021 David popp 
© 2021 John Rawlings 
© 2017 James Bailey |
|
Phoenix canariensis Canary island date palm
• invasive non-native
Tree 
© 2020 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2021 James Bailey |
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2015 Steve Matson |
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb 
© 2008 Steve Matson 
© 2022 Steve Matson 
© 2022 Steve Matson |
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 2019 Joe Engelbrecht 
© 2021 Ken Lunders |
|
Platanus racemosa California sycamore, Western sycamore
native
Tree 
© 2021 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2019 Rachelle Gray |
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb 
© 2019 Diane Etchison 
© 2022 John L. Thompson 
© 2022 John L. Thompson |
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb 
© 2023 Ron Vanderhoff 
© 2023 Cynthia Powell 
© 2021 Ron Vanderhoff |
|
Polypodium californicum California polypody
native
Fern 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff 
© 2023 Keir Morse |
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
© 2008 Steve Matson 
© 2014 Steve Matson 
© 2008 Steve Matson |
|
Populus trichocarpa Black cottonwood
native
Tree 
© 2019 Ron Vanderhoff 
© 2012 Steve Matson 
© 2012 Steve Matson |
|
Primula clevelandi Small Tree-Mallow
|
|
Prunus dulcis Domestic almond, Sweet almond
non-native
Tree 
© 2012 Wes Gray 
© 2022 Donald Burk 
© 2021 David popp |
|
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 
© 2021 Ron Vanderhoff 
© 2019 Diane Etchison 
© 2021 Ron Vanderhoff |
|
Pseudognaphalium microcephalum Wright's cudweed
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2022 David Strauch 
© 2019 Ron Vanderhoff |
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Pyracantha koidzumii Taiwan firethorn
non-native
Shrub 
© 2018 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree 
© 2023 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2021 Al Keuter |
|
Ranunculus californicus California buttercup
native
Perennial herb 
© 2016 Steve Matson 
© 2016 Steve Matson 
© 2016 Steve Matson |
|
Rhamnus crocea Redberry buckthorn
native
Shrub 
© 2011 Michael Mitchell 
© 2022 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub 
© 2022 David Chipping 
© 2021 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub 
© 2021 David Gowen 
© 1973 Geoff Burleigh 
© 2020 David Krause |
|
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 conglomeratus Clustered dock, Green dock
non-native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
© 2018 Tim Lewis 
© 2019 Diane Etchison 
© 2023 Ron Vanderhoff |
|
Rumex pulcher Fiddle dock
non-native
Perennial herb 
© 2020 Ryan Carle 
© 2022 Chris McDonald 
© 2021 David popp |
|
Salix laevigata Polished willow, Red willow
native
Tree 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2020 Steve Matson |
|
Salvia leucophylla San luis purple sage
native
Shrub 
© 2015 Steven M Norris 
© 2019 Janith Johnson 
© 2018 Ron Vanderhoff |
|
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 |
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb 
© 2023 Steve Conger 
© 2023 Steve Conger 
© 2021 Steve Laymon |
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree 
© 2021 stephen rosenthal 
© 2017 William McCarey 
© 2023 Ron Vanderhoff |
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb 
© 2020 Bob Sweatt 
© 2006 Steve Matson 
© 2019 Cynthia Powell |
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2018 Ron Vanderhoff |
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb 
© 2020 David Greenberger 
© 2023 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb 
© 2020 Nancy Hamlett 
© 2019 Marisa Persaud 
© 2018 Angelique Herman |
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb 
© 2024 Steve Conger 
© 2024 Ron Vanderhoff 
© 2019 Stacie Wolny |
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
© 2006 Steve Matson 
© 2006 Steve Matson 
© 2006 Steve Matson |
|
Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
© 2014 Gary McDonald 
© 2022 Ron Vanderhoff 
© 2014 Gary McDonald |
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
© 2019 Diane Etchison 
© 2015 Jesse Rorabaugh 
© 2024 Ron Vanderhoff |
|
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 
© 2014 Steve Matson |
|
Stellaria media Chickweed
non-native
Annual herb 
© 2018 Gary McDonald 
© 2018 Gary McDonald 
© 2015 Diane Etchison |
|
Stephanomeria sp. Small Tree-Mallow
|
|
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 
© 2008 Zoya Akulova 
© 2019 Ron Vanderhoff |
|
Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb 
© 2003 Keir Morse 
© 2020 Stacie Wolny 
© 2021 Bryant Baker |
|
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 |
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer
• invasive non-native
Annual herb 
© 2019 Ron Vanderhoff 
© 2017 Gary McDonald 
© 2018 Lindsey Hack |
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
© 2020 Ron Vanderhoff 
© 2019 Randy Huey 
© 2021 Bryant Baker |
|
Trifolium fragiferum Strawberry clover
non-native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2022 Dana York |
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
|
Triphysaria eriantha ssp. rosea Johnny tuck, Pink butter 'n' eggs
native
Annual herb 
© 2017 Gary Morgret 
© 2017 Cynthia Powell 
© 2020 Mary Sue Ittner |
|
Turritis glabra Tower rockcress
native
Perennial herb 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2023 Ron Vanderhoff |
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree 
© 2023 Mary Ann Machi 
© 2016 Steve Matson 
© 2023 Mary Ann Machi |
|
Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb 
© 2010 Steve Matson 
© 2010 Steve Matson 
© 2010 Steve Matson |
|
Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch
non-native
Annual herb, Vine 
© 2010 Toni Corelli 
© 2019 Diane Etchison 
© 2024 R.A. Chasey |
|
Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  © 2006 Steve Matson 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
|
Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2014 Steve Matson |