Davis Canyon, Irish Hills, Western San Luis R
Davis Canyon, Irish Hills, Western San Luis Range San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-03) |
| 170 PLANTS |
|
Adiantum jordanii Adiantum, maiden hair fern
native
Fern  2022 BOB CASE
 2019 Ron Vanderhoff
 2023 Mike Russler
|
|
Ageratina adenophora Sticky snakeroot, Thoroughwort
• invasive non-native
Perennial herb  2019 Ron Vanderhoff
 2017 Keir Morse
 2021 Heather Brady DeQuincy
|
|
Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2021 Emily Sluiman
|
|
Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass  2021 John Rawlings
 2020 Susan McDougall
 2021 John Rawlings
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2022 Chris McDonald
 2023 Ron Vanderhoff
|
|
Anthoxanthum occidentale Califonria sweet grass, Vanilla grass
native
Perennial grass  2022 John Rawlings
 2022 R.A. Chasey
 2022 John Rawlings
|
|
Anthriscus caucalis Bur chervil
non-native
Annual herb, Vine  2017 Diane Etchison
 2013 Toni Corelli
 2020 Jennifer Mo
|
|
Aralia californica California spikenard, Elk's clover, Elkclover
native
Perennial herb  2022 Julie A. Kierstead
 2020 Tri Do
 2014 James Gonsman
|
|
Arbutus menziesii Madrono, Pacific madrone
native
Tree  2021 Cynthia Powell
 2021 R.A. Chasey
 2021 Hunter Breck
|
|
Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita
native
Shrub  2019 Gary McDonald
 2019 Gary McDonald
 2022 Cara Wilcox
|
|
Arctostaphylos pechoensis Pecho manzanita
• rare native
Shrub  2020 Susan McDougall
 2020 Mike Russler
 2020 Mike Russler
|
|
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  2013 Brent Morgan
 2022 Ron Vanderhoff
 2021 Mike Russler
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2018 Julian Geoghegan
 2023 David popp
 2019 Ron Vanderhoff
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2018 Gary McDonald
 2023 Ron Vanderhoff
 2023 Ron Vanderhoff
|
|
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
|
|
Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2021 Amelia Ryan
|
|
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
 2020 Hailey Laskey
 2015 Chris Jaster
|
|
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
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb  2008 Steve Matson
 2017 Ron Vanderhoff
 2013 Ron Wolf
|
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2023 Diana Wahl
 2017 Gary McDonald
|
|
Carex globosa Round fruit sedge
native
Perennial grasslike herb  2014 Steve Matson
 2014 Steve Matson
 2021 John Rawlings
|
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2006 Steve Matson
 2021 Dylan Neubauer
 2019 Ron Vanderhoff
|
|
Ceanothus oliganthus var. sorediatus Jim brush
native
Shrub  2022 R.A. Chasey
 2017 Steve Matson
 2019 Susan McDougall
|
|
Ceanothus spinosus Greenbark ceanothus, Redheart
native
Tree, Shrub  2018 Ron Vanderhoff
 2012 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Centranthus ruber Jupiter's beard, Red valerian
non-native
Annual, Perennial herb  2013 Zachary Mikalonis
 2022 Justin Felder
 2020 Deborah Dozier
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2023 Ron Vanderhoff
 2023 Ron Vanderhoff
 2007 Carol W. Witham
|
|
Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin
native
Tree, Shrub  2020 R.A. Chasey
 2019 Ken Hickman
 2009 Neal Kramer
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2017 James Bailey
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia
native
Annual herb  2019 David Greenberger
 2021 Mike Russler
 2022 Suzanne L. Weakley
|
|
Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Clematis lasiantha Chaparral clematis, Pipestem
native
Perennial herb, Vine  2016 Julie Watson
 2016 Julie Ann Watson
 2018 Steve Matson
|
|
Clematis ligusticifolia Creek clematis, Western white clematis, Yerba de chiva
native
Perennial herb, Vine  2018 Diane Etchison
 2012 Steve Matson
 2012 Steve Matson
|
|
Clinopodium douglasii Yerba buena
native
Perennial herb  2019 Gary McDonald
 2012 Gary McDonald
 2012 Gary McDonald
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2019 James Bailey
 2013 Toni Corelli
 2016 Cynthia Powell
|
|
Cornus sericea ssp. occidentalis Western dogwood
native
Shrub  2019 David Greenberger
 2018 Lynn Overtree
 2020 Susan McDougall
|
|
Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder
native
Annual herb, Vine (parasitic)  2021 R.A. Chasey
 2021 Ron Vanderhoff
 2021 Ron Vanderhoff
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2016 Joan Hampton
 2021 Ken Lunders
 2014 James Gonsman
|
|
Dendromecon rigida Bush poppy, Tree poppy
native
Shrub  2019 Eliezer Margolis
 2018 Hunter Breck
 2010 Suzanne L. Weakley
|
|
Diplacus aurantiacus ssp. aurantiacus Orange Bush Monkeyflower
native
Shrub  2023 Bill Kress
 2019 Stacie Wolny
 2019 Gary McDonald
|
|
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  2018 James Gonsman
 2019 Rebecca Crowe
 2023 Julia Markey
|
|
Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2015 Dee Warenycia
 2020 Steven M Norris
 2020 Steven M Norris
|
|
Dudleya pulverulenta Chalk dudleya
native
Perennial herb  2018 Ron Vanderhoff
 2012 Ann Dalkey
 2020 Julia Markey
|
|
Elymus condensatus Giant wild rye
native
Perennial grass  2020 Ron Vanderhoff
 2022 John Rawlings
 2020 Diane Etchison
|
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2014 Toni Corelli
 2021 Arlee Montalvo
 2022 Ron Vanderhoff
|
|
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  2017 Gary McDonald
 2019 Gary McDonald
 2019 Ron Vanderhoff
|
|
Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail
native
Fern  2011 Toni Corelli
 2021 Bryant Baker
 2021 Bryant Baker
|
|
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  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
|
|
Erysimum capitatum var. capitatum Sanddune wallflower
native
Perennial herb  2019 David Greenberger
 2008 Keir Morse
 2020 Susan McDougall
|
|
Erythranthe guttata Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2015 James Gonsman
 2019 Stacie Wolny
|
|
Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy
native
Annual herb  2019 Ron Vanderhoff
 2021 Lisa Berry
 2022 Cynthia Powell
|
|
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  2020 Jennifer Mo
 2022 Ryan O'Dell
 2021 Cynthia Powell
|
|
Euphorbia peplus Petty spurge
non-native
Annual herb  2006 Steve Matson
 2022 Alice Cummings
 2005 Luigi Rignanese
|
|
Festuca bromoides Brome fescue
non-native
Annual grass  2022 Diana Wahl
 2021 Toni Corelli
 2021 David popp
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2021 Aaron Echols
 2021 Ron Vanderhoff
 2022 John Rawlings
|
|
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
|
|
Galium californicum ssp. flaccidum California bedstraw
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
|
|
Geranium carolinianum Carolina geranium
native
Annual herb  2021 Ron Vanderhoff
 2004 Carol W. Witham
 2018 Ron Vanderhoff
|
|
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
|
|
Hedera canariensis Canary ivy, Algerian ivy
• invasive non-native
Vine  2018 Sara Witt
 2018 Ron Vanderhoff
 2016 Ron Vanderhoff
|
|
Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle
native
Annual herb  2019 David Greenberger
 2023 Ken-ichi Ueda
 2020 Ken Hickman
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Hieracium argutum Southern hawkweed
native
Perennial herb  2015 Justin Luong
 2015 Justin Luong
 2020 David Greenberger
|
|
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  2019 Bob Sweatt
 2020 Camille Nowell
 2023 Doug Zimmerman
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2022 Ron Vanderhoff
 2021 Al Keuter
 2021 Ron Vanderhoff
|
|
Juglans hindsii Northern california black walnut
• rare native
Tree  2016 Steve Matson
 2016 Steve Matson
 2018 Ron Vanderhoff
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb  2020 Jutta Burger
 2019 Cynthia Powell
 2021 Sherry Adams
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2022 Charles Russell
 2015 Chris Jaster
|
|
Lemna minor Smaller duckweed
native
Perennial herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub  2019 Stacie Wolny
 2019 Stacie Wolny
 2021 Bryant Baker
|
|
Lupinus albifrons var. albifrons Silver bush lupine, Silver lupine
native
Shrub  2012 Michael Mitchell
 2020 Richard Spjut
 2020 Susan McDougall
|
|
Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine
native
Annual herb  2010 Michael Mitchell
 2010 Michael Mitchell
 2008 Keir Morse
|
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb 2017 B.J. Dion
2022 Chris McDonald
2023 Ron Vanderhoff
|
|
Malva nicaeensis Bull mallow
non-native
Annual herb  2015 Mike Morales
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Marah fabacea California man-root
native
Perennial herb, Vine  2018 Karen Scheuermann
 2021 Cyril Guyot
 2018 Gary McDonald
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb  ©2013 Gary McDonald
 2015 Diane Etchison
 2018 Nancy Hamlett
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2019 Gary McDonald
 2019 Gary McDonald
 2019 Gary McDonald
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Melilotus albus White sweetclover
• invasive non-native
Annual, Biennial herb  2021 Ron Vanderhoff
 2020 Bob Sweatt
 2022 Ron Vanderhoff
|
|
Melilotus indicus Annual yellow sweetclover, Sourclover
non-native
Annual herb  2019 Randy Huey
 2019 Randy Huey
 2017 Rosalie Benitez
|
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 2019 Stacie Wolny
2015 James Gonsman
2019 Stacie Wolny
|
|
Nasturtium officinale Watercress
native
Perennial herb (aquatic)  2019 Patrick Furtado
 2019 Diane Etchison
 2012 Steve Matson
|
|
Navarretia squarrosa Skunkbush, Skunkweed
native
Annual herb  2019 Marisa Persaud
 2019 Patrick Furtado
 2022 Suzanne L. Weakley
|
|
native
Tree, Shrub  2020 R.A. Chasey
 2022 David popp
 2020 Susan McDougall
|
|
Oemleria cerasiformis Indian plum, Oso berry
native
Shrub  2019 Margo Bors
 2019 Stacie Wolny
 2023 David Wolfson
|
|
Osmorhiza berteroi Sweet cicely
native
Perennial herb  2021 Mike Russler
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel
• invasive non-native
Perennial herb  2022 Donald Burk
 2022 Ron Vanderhoff
 2021 Ron Vanderhoff
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb  2015 Richard Chasey
 2017 Angelique Herman
 2019 Gary McDonald
|
|
Paeonia californica California peony
native
Perennial herb  2020 Marisa Persaud
 2022 Ron Vanderhoff
 2019 Susan McDougall
|
|
Papaver somniferum Opium poppy
non-native
Annual herb  2021 Ken Lunders
 2022 David Strauch
 2022 David Strauch
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 James Gonsman
 2008 Steve Matson
 2008 Steve Matson
|
|
Phacelia malvifolia Stinging phacelia
native
Annual herb  2018 Michael Mitchell
 2022 Jennifer Mo
 2013 Toni Corelli
|
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb  2014 Steve Matson
 2014 Steve Matson
 2021 Ron Vanderhoff
|
|
Pinus muricata Bishop pine, Bull pine, Prickle cone pine
native
Tree  2012 Michael Mitchell
 2012 Michael Mitchell
 2023 Karen Swift
|
|
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
 2019 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Poa howellii Howell's blue grass, Howell's bluegrass
native
Annual grass  2018 Ken Hickman
 2020 Ken Hickman
 2020 Ken Hickman
|
|
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 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
|
|
Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody
native
Fern  2022 R.A. Chasey
 2015 James Gonsman
 2020 Susan McDougall
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass  2022 John Rawlings
 2022 John Rawlings
 2020 Ron Vanderhoff
|
|
Polystichum munitum Western sword fern, Western swordfern
native
Fern  2021 Julie A. Kierstead
 2022 Jerry Murray
 2011 Toni Corelli
|
|
Populus fremontii ssp. fremontii Fremont cottonwood
native
Tree  2019 Stella Yang
 2020 David popp
 2020 Susan McDougall
|
|
Populus trichocarpa Black cottonwood
native
Tree  2019 Ron Vanderhoff
 2012 Steve Matson
 2012 Steve Matson
|
|
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub  2018 David Greenberger
 2019 Ron Vanderhoff
 2020 James Gonsman
|
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2019 Gary McDonald
 2020 Steven M Norris
 2021 Ron Vanderhoff
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb  2020 Ryan Carle
 2017 Diane Etchison
 2011 Toni Corelli
|
|
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  2020 Dick Rawson
 2018 Ron Vanderhoff
 2015 Diane Etchison
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2023 Ron Vanderhoff
 2022 Ron Vanderhoff
 2021 Al Keuter
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb  2019 David Greenberger
 2021 Ron Vanderhoff
 2017 Steve Matson
|
|
Rhamnus crocea Redberry buckthorn
native
Shrub  2011 Michael Mitchell
 2022 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant
native
Shrub  2020 Talila Golan
 2018 John Rusk
 2018 Hunter Breck
|
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub  2022 David Chipping
 2021 Ron Vanderhoff
 2012 Ron Vanderhoff
|
|
Rosa californica California wild rose, California wildrose
native
Shrub  2022 Suzanne L. Weakley
 2022 Suzanne L. Weakley
 2020 R.A. Chasey
|
|
Rubus parviflorus Western thimbleberry, Thimbleberry
native
Vine, Shrub  2022 Zoya Akulova-Barlow
 2020 Mary Sue Ittner
 2019 Patrick Furtado
|
|
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 salicifolius var. salicifolius Willow dock, Willow leaved dock
native
Perennial herb  2023 Ron Vanderhoff
 2012 Gary McDonald
 2012 Gary McDonald
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2017 Susan Kotelnicki
 2022 Ron Vanderhoff
 2020 Steve Matson
|
|
Salvia mellifera Black sage
native
Shrub  2017 Steve Matson
 2022 Suzanne L. Weakley
 2019 Diane Etchison
|
|
Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Bryant Baker
|
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Tree, Shrub  2021 Mike Russler
 2020 Diane Etchison
 2022 El Byrne
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2020 Susan McDougall
 2020 Ryan Carle
 2020 R.A. Chasey
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2020 Bob Sweatt
 2006 Steve Matson
 2019 Cynthia Powell
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2019 Marisa Persaud
 2018 Angelique Herman
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb  2021 Ann Garside
 2022 Julian Geoghegan
 2021 Ron Vanderhoff
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2022 Ken Lunders
 2006 Steve Matson
 2023 Ron Vanderhoff
|
|
Solanum umbelliferum Blue witch nightshade, Bluewitch nightshade
native
Shrub  2022 Mike Russler
 2014 Steve Matson
 2014 Steve Matson
|
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb  2013 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
|
|
Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2014 Steve Matson
 2014 Steve Matson
 2020 Bryant Baker
|
|
Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass  2022 Donald Burk
 2009 Keir Morse
 2022 Donald Burk
|
|
Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry
native
Shrub  2020 Jacob Smith
 2021 R.A. Chasey
 2021 Mike Russler
|
|
Tanacetum parthenium Feverfew
non-native
Perennial herb  2015 Ron Vanderhoff
 2022 Jennifer Mo
 2020 Bob Sweatt
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Thalictrum fendleri var. fendleri Fendler's meadow rue
native
Perennial herb  2006 Steve Matson
 2014 James Gonsman
 2006 Steve Matson
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Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2018 Lindsey Hack
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Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub  2020 Ron Vanderhoff
 2019 Randy Huey
 2021 Bryant Baker
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Trifolium ciliolatum Foothill clover, Tree clover
native
Annual herb  2020 Diane Etchison
 2015 Diane Etchison
 2019 Ron Vanderhoff
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Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2016 Michael Mitchell
 2019 Ron Vanderhoff
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Trifolium willdenovii Tomcat clover
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2018 Stacie Wolny
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Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2016 Steve Matson
 2016 Steve Matson
 2020 Ron Vanderhoff
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Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb  2022 Donald Burk
 2019 Hunter Breck
 2021 R.A. Chasey
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Vaccinium ovatum California huckleberry, Evergreen huckleberry
native
Shrub  2017 James Gonsman
 2021 Mike Russler
 2023 Diana Wahl
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Vicia gigantea Giant vetch
native
Perennial herb  2021 Dana York
 2019 Cynthia Powell
 2013 James Gonsman
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Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine  2007 Toni Corelli
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
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Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb  2020 Julia Markey
 2022 Ron Vanderhoff
 2021 Ron Vanderhoff
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Vitis vinifera Cultivated grape, Wine grape
non-native
Vine, Shrub  2020 Jennifer Mo
 2014 Eric Wrubel
 2005 Luigi Rignanese
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Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern
native
Fern  2019 Julie Kierstead Nelson
 2020 R.A. Chasey
 2019 Susan McDougall
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