logo Calflora Illustrated Plant List 

Stenner Springs Natural Reserve
Stenner Springs Natural Reserve, San Luis Obispo County, California

San Luis Obispo County

David Keil  / CNPS-SLO  (2019-06-09)

Record Detail Nearby Surveys What Grows Here?
83 PLANTS
native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
2020 Ron Vanderhoff
Acmispon glaber var. glaber
2016 Susan McDougall
Acmispon glaber var. glaber
2020 Ron Vanderhoff

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2020 Ron Vanderhoff
Adenostoma fasciculatum var. fasciculatum
2019 Gary McDonald

Arctostaphylos obispoensis    Bishop manzanita,  Serpentine manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos obispoensis
2019 Susan McDougall
Arctostaphylos obispoensis
2011 Chris Winchell
Arctostaphylos obispoensis
2020 Mike Russler

Artemisia californica    California sagebrush,  Coast sagebrush,  Coastal sage brush
native
Shrub

ASTERACEAE

Artemisia californica
2018 James Gonsman
Artemisia californica
2019 Diane Etchison
Artemisia californica
2020 Ron Vanderhoff

Asclepias fascicularis    whorled milkweed,  Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
2018 Ron Vanderhoff
Asclepias fascicularis
2014 Steve Matson
Asclepias fascicularis
2019 Ron Vanderhoff

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis
2022 Terry Beers
Baccharis pilularis
2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
Baccharis pilularis
2018 Cynthia Powell

Bellardia trixago    Mediterranean lineseed
invasive non-native
Annual herb

OROBANCHACEAE

Bellardia trixago
2016 Michael Mitchell
Bellardia trixago
2016 Michael Mitchell
Bellardia trixago
2017 Toni Corelli

Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra
2020 Diane Etchison
Brassica nigra
2019 Ron Vanderhoff
Brassica nigra
2019 Ron Vanderhoff

Brickellia californica    Brickell bush,  California brickellbush,  California brickellia
native
Perennial herb

ASTERACEAE

Brickellia californica
2017 Stephen Rosenthal
Brickellia californica
2018 Diane Etchison
Brickellia californica
2022 Ron Vanderhoff

Calystegia macrostegia ssp. cyclostegia    Coast morning glory,  Island false bindweed
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell
Calystegia macrostegia ssp. cyclostegia
2020 James Gonsman
Calystegia macrostegia ssp. cyclostegia
2017 Michael Mitchell

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus
2019 Gary McDonald
Carduus pycnocephalus
2008 Zoya Akulova
Carduus pycnocephalus
2017 Gary McDonald

Carex obispoensis    San Luis Obispo sedge,  San Luis sedge
rare native
Perennial grasslike herb (rhizomatous)

CYPERACEAE

Carex obispoensis
2006 Steve Matson
Carex obispoensis
2010 Chris Winchell
Carex obispoensis
2006 Steve Matson

Carex spissa    San diego sedge
native
Perennial grasslike herb

CYPERACEAE

Carex spissa
2016 Steve Matson
Carex spissa
2016 Steve Matson
Carex spissa
2016 Steve Matson

native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. ramulosus
2019 Susan McDougall
Ceanothus cuneatus var. ramulosus
2014 Robert Sikora
Ceanothus cuneatus var. ramulosus
2019 Susan McDougall

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
2021 R.A. Chasey
Centaurea calcitrapa
2019 MCOSD EDRR
Centaurea calcitrapa
2022 R.A. Chasey

Centaurea solstitialis    Barnaby's thistle,  Yellow star thistle
invasive non-native
Annual herb

ASTERACEAE

Centaurea solstitialis
2022 Cynthia Powell
Centaurea solstitialis
2019 Arlee Montalvo
Centaurea solstitialis
2021 Mike Russler

Chlorogalum pomeridianum var. pomeridianum    Common soaproot,  Wavyleaf soap plant
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
2003 George Jackson
Chlorogalum pomeridianum var. pomeridianum
2018 Karen Scheuermann

Cirsium occidentale var. lucianum    Cuesta ridge thistle
rare native
Perennial herb

ASTERACEAE

Cirsium occidentale var. lucianum
2019 David Greenberger
Cirsium occidentale var. lucianum
2009 Zachary Green
Cirsium occidentale var. lucianum
2011 Chris Winchell

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
2016 Julie Watson
Clematis lasiantha
2016 Julie Ann Watson
Clematis lasiantha
2018 Steve Matson

Croton setiger    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setiger
2018 Rachelle Gray
Croton setiger
2011 Steve Matson
Croton setiger
2011 Steve Matson

Cynodon dactylon    Bermuda grass,  Bermudagrass
invasive non-native
Perennial grass

POACEAE

Cynodon dactylon
2008 Keir Morse
Cynodon dactylon
2014 Zoya Akulova
Cynodon dactylon
2021 Ron Vanderhoff

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis
2016 Joan Hampton
Cyperus eragrostis
2021 Ken Lunders
Cyperus eragrostis
2014 James Gonsman

Diplacus aurantiacus var. aurantiacus    Sticky monkeyflower
native
Shrub

PHRYMACEAE

Diplacus aurantiacus var. aurantiacus
2019 Gary McDonald
Diplacus aurantiacus var. aurantiacus
2019 Stacie Wolny
Diplacus aurantiacus var. aurantiacus
2019 Gary McDonald

Elymus condensatus    Giant wild rye
native
Perennial grass

POACEAE

Elymus condensatus
2011 Neal Kramer
Elymus condensatus
2010 Michael O'Brien
Elymus condensatus
2006 Adonis (Don) Tate

Elymus glaucus ssp. glaucus    Blue wild rye,  Blue wildrye,  Western rye grass
native
Perennial grass

POACEAE

Elymus glaucus ssp. glaucus
2009 Keir Morse
Elymus glaucus ssp. glaucus
2008 Keir Morse
Elymus glaucus ssp. glaucus
2008 Keir Morse

Epilobium canum ssp. canum    California fuchsia,  Hummingbird trumpet
native
Perennial herb

ONAGRACEAE

Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff
Epilobium canum ssp. canum
2018 Ron Vanderhoff

Equisetum telmateia ssp. braunii    Giant horse tail,  Giant horsetail
native
Fern

EQUISETACEAE

Equisetum telmateia ssp. braunii
2011 Toni Corelli
Equisetum telmateia ssp. braunii
2021 Bryant Baker
Equisetum telmateia ssp. braunii
2021 Bryant Baker

Eriogonum elongatum var. elongatum    Long stemmed buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum var. elongatum
2017 Ron Vanderhoff
Eriogonum elongatum var. elongatum
2019 Aaron Echols
Eriogonum elongatum var. elongatum
2021 Mike Russler

Eriogonum fasciculatum var. foliolosum    California buckwheat,  Eastern mojave buckwheat,  Red topped buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum var. foliolosum
2016 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
2015 Michael Mitchell
Eriogonum fasciculatum var. foliolosum
2015 Michael Mitchell

Eriogonum parvifolium    Dune eriogonum,  Sea cliff buckwheat,  Seacliff buckwheat
native
Shrub

POLYGONACEAE

Eriogonum parvifolium
2019 Joerg Lohse
Eriogonum parvifolium
2018 Ron Vanderhoff
Eriogonum parvifolium
2013 Neal Kramer

Eriophyllum confertiflorum var. confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
2020 Mary Conway
Eriophyllum confertiflorum var. confertiflorum
2020 Ron Vanderhoff

Erodium botrys    Big heron bill,  Broad leaf filaree,  Long beaked filaree
non-native
Annual herb

GERANIACEAE

Erodium botrys
2014 Bryan Derr
Erodium botrys
2017 Gary McDonald
Erodium botrys
2015 Ken Lunders

Erodium cicutarium    Coastal heron's bill,  Red stemmed filaree,  Redstem stork's bill
invasive non-native
Annual herb

GERANIACEAE

Erodium cicutarium
2022 Steve Matson
Erodium cicutarium
2020 Julia Markey
Erodium cicutarium
2022 Steve Matson

Erythranthe guttata    Seep monkey flower,  Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Erythranthe guttata
2019 Stacie Wolny
Erythranthe guttata
2015 James Gonsman
Erythranthe guttata
2019 Ron Vanderhoff

Eucalyptus globulus    Blue gum,  Tasmanian bluegum
invasive non-native
Tree

MYRTACEAE

Eucalyptus globulus
2020 Jennifer Mo
Eucalyptus globulus
2022 Ryan O'Dell
Eucalyptus globulus
2016 Zoya Akulova

Foeniculum vulgare    Biscuit root,  Sweet fennel
invasive non-native
Perennial herb

APIACEAE

Foeniculum vulgare
2019 Nicole Leatherman
Foeniculum vulgare
2019 Ron Vanderhoff
Foeniculum vulgare
2015 Neal Kramer

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
2018 Jay Chamberlain
Frangula californica ssp. californica
2019 Mary Conway
Frangula californica ssp. californica
2019 Mary Conway

Galium andrewsii    Needlemat galium,  Phlox leaved bedstraw,  Phloxleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium andrewsii
2018 Gary McDonald
Galium andrewsii
2019 Marisa Persaud
Galium andrewsii
2012 Gary McDonald

Galium porrigens var. porrigens    Climbing bedstraw,  Graceful bedstraw,  Oval leaved bedstraw
native
Vine, Shrub

RUBIACEAE

Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff
Galium porrigens var. porrigens
2022 Ron Vanderhoff

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
2020 stephen rosenthal
Grindelia hirsutula
2015 Ken Lunders
Grindelia hirsutula
2020 R.A. Chasey

Hazardia squarrosa var. squarrosa    Saw toothed goldenbush,  Sawtooth goldenbush
native
Shrub

ASTERACEAE

Hazardia squarrosa var. squarrosa
2011 Neal Kramer
Hazardia squarrosa var. squarrosa
2008 Zoya Akulova
Hazardia squarrosa var. squarrosa
2021 Mary Conway

Helminthotheca echioides    Bristly ox-tongue
invasive non-native
Annual, Perennial herb

ASTERACEAE

Helminthotheca echioides
2016 Hayley Ross
Helminthotheca echioides
2019 Rachelle Gray
Helminthotheca echioides
2019 Rachelle Gray

Hemizonia congesta ssp. luzulifolia    Hayfield tarweed,  Woodrush tarweed
native
Annual herb

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
2009 Barry Breckling
Hemizonia congesta ssp. luzulifolia
2007 Neal Kramer
Hemizonia congesta ssp. luzulifolia
2019 Cynthia Powell

Hesperocyparis sargentii    Sargent cypress
native
Tree, Shrub

CUPRESSACEAE

Hesperocyparis sargentii
2021 Bryant Baker
Hesperocyparis sargentii
2021 R.A. Chasey
Hesperocyparis sargentii
2021 Bryant Baker

Hesperoyucca whipplei    Chaparral yucca
native
Shrub

AGAVACEAE

Hesperoyucca whipplei
2019 Ron Vanderhoff
Hesperoyucca whipplei
2021 Amber Bedgood
Hesperoyucca whipplei
2020 Julia Markey

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia
2015 James Gonsman
Heteromeles arbutifolia
2017 Gary McDonald
Heteromeles arbutifolia
2017 Gary McDonald

Hirschfeldia incana    Mediterranean hoary mustard,  Short podded mustard,  Summer mustard
invasive non-native
Perennial herb

BRASSICACEAE

Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2017 Gary McDonald
Hirschfeldia incana
2022 Ron Vanderhoff

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
2008 Neal Kramer
Juncus patens
2022 R.A. Chasey
Juncus patens
2014 Mike Wood

Juncus xiphioides    Iris leaved rush,  Irisleaf rush
native
Perennial grasslike herb

JUNCACEAE

Juncus xiphioides
2016 Erik Larsen
Juncus xiphioides
2021 Stephen Rosenthal
Juncus xiphioides
2017 Ron Vanderhoff

Lathyrus vestitus var. vestitus    Common pacific pea,  Hillside pea,  Wild sweetpea
native
Perennial herb

FABACEAE

Lathyrus vestitus var. vestitus
2018 Ron Vanderhoff
Lathyrus vestitus var. vestitus
2022 Charles Russell
Lathyrus vestitus var. vestitus
2020 James Gonsman

Lomatium parvifolium    Coastal biscuitroot,  Small leaved lomatium
rare native
Perennial herb

APIACEAE

Lomatium parvifolium
2020 David Greenberger
Lomatium parvifolium
2011 Chris Winchell
Lomatium parvifolium
2021 Patrick Furtado

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2019 Stacie Wolny
Lonicera hispidula
2021 Bryant Baker

Lupinus succulentus    Arroyo lupine,  Hollowleaf annual lupine,  Succulent lupine
native
Annual herb

FABACEAE

Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2018 Stacie Wolny
Lupinus succulentus
2009 Barry Rice

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2019 Aaron Echols
Marrubium vulgare
2013 Gary McDonald
Marrubium vulgare
2015 Diane Etchison

Melilotus albus    White sweetclover
invasive non-native
Annual, Biennial herb

FABACEAE

Melilotus albus
2021 Ron Vanderhoff
Melilotus albus
2020 Bob Sweatt
Melilotus albus
2022 Ron Vanderhoff

Opuntia ficus-indica    Mission cactus,  Tuna cactus
non-native
Shrub (stem succulent)

CACTACEAE

Opuntia ficus-indica
2020 Ron Vanderhoff
Opuntia ficus-indica
2020 Ron Vanderhoff
Opuntia ficus-indica
2007 Neal Kramer

Phacelia imbricata ssp. imbricata    Imbricate Phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata
2012 Neal Kramer
Phacelia imbricata ssp. imbricata
2012 Genevieve K. Walden
Phacelia imbricata ssp. imbricata
2022 R.A. Chasey

Phalaris aquatica    Bulbous canarygrass,  Harding grass
invasive non-native
Perennial grass

POACEAE

Phalaris aquatica
2017 James Bailey
Phalaris aquatica
2019 Nicole Leatherman
Phalaris aquatica
2001 CDFA

Plantago lanceolata    English plantain,  Narrow leaved plantain,  Ribgrass
invasive non-native
Perennial herb

PLANTAGINACEAE

Plantago lanceolata
2017 Gary McDonald
Plantago lanceolata
2019 Joe Engelbrecht
Plantago lanceolata
2019 Joe Engelbrecht

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa
2021 Ron Vanderhoff
Platanus racemosa
2019 Rachelle Gray
Platanus racemosa
2018 Ron Vanderhoff

Polypogon interruptus    Ditch beard grass,  Ditch rabbitsfoot grass
non-native
Perennial grass

POACEAE

Polypogon interruptus
2002 Dean Wm. Taylor
Polypogon interruptus
2009 Zoya Akulova
Polypogon interruptus
2017 Ron Vanderhoff

Populus trichocarpa    Black cottonwood
native
Tree

SALICACEAE

Populus trichocarpa
2021 Ron Vanderhoff
Populus trichocarpa
2014 Ron Vanderhoff
Populus trichocarpa
2020 Susan McDougall

Pseudognaphalium californicum    Ladies' tobacco
native
Annual, Perennial herb

ASTERACEAE

Pseudognaphalium californicum
2019 Gary McDonald
Pseudognaphalium californicum
2020 Steven M Norris
Pseudognaphalium californicum
2021 Ron Vanderhoff

Pteridium aquilinum var. pubescens    Hairy brackenfern,  Western bracken fern
native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2019 Ron Vanderhoff
Pteridium aquilinum var. pubescens
2022 Bob Sweatt

Quercus agrifolia var. agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia var. agrifolia
2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
2022 R.A. Chasey

Quercus durata var. durata    Leather oak
native
Shrub

FAGACEAE

Quercus durata var. durata
2022 Hunter Breck
Quercus durata var. durata
2020 Charles Russell
Quercus durata var. durata
2020 R.A. Chasey

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2019 Diane Etchison
Ranunculus californicus
2020 Mitchell Coleman

Ribes sericeum    Santa lucia gooseberry
rare native
Shrub

GROSSULARIACEAE

Ribes sericeum
2012 Robert Hotaling
Ribes sericeum
2004 Dean Wm. Taylor

Rumex crispus    Curly dock,  Curly leaved dock,  Rhubarb
invasive non-native
Perennial herb

POLYGONACEAE

Rumex crispus
2018 Tim Lewis
Rumex crispus
2019 Diane Etchison
Rumex crispus
2022 David Strauch

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
2017 Susan Kotelnicki
Salix lasiolepis
2012 Zoya Akulova
Salix lasiolepis
2016 Zoya Akulova

Salvia mellifera    Black sage
native
Shrub

LAMIACEAE

Salvia mellifera
2019 Susan McDougall
Salvia mellifera
2009 Keir Morse
Salvia mellifera
2006 Steve Matson

Sanicula crassicaulis    Gamble weed,  Pacific blacksnakeroot,  Pacific sanicle
native
Perennial herb

APIACEAE

Sanicula crassicaulis
2020 Susan McDougall
Sanicula crassicaulis
2020 Ryan Carle
Sanicula crassicaulis
2020 R.A. Chasey

Scirpus microcarpus    Panicled bulrush,  Small fruited bulrush
native
Perennial grasslike herb

CYPERACEAE

Scirpus microcarpus
2022 Doug Allshouse
Scirpus microcarpus
2014 Zoya Akulova
Scirpus microcarpus
2013 Ron Vanderhoff

Silybum marianum    Blessed milkthistle,  Milk thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Silybum marianum
2020 Nancy Hamlett
Silybum marianum
2009 Barry Rice
Silybum marianum
2019 Marisa Persaud

Stachys bullata    California hedge nettle,  California hedgenettle,  Southern hedge nettle
native
Perennial herb

LAMIACEAE

Stachys bullata
2018 Sheila Lodge
Stachys bullata
2020 Bryant Baker
Stachys bullata
2020 Ken Lunders

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
2017 Gary McDonald
Stipa lepida
2016 Andrew Longman
Stipa lepida
2019 Angelique Herman

Stipa miliacea var. miliacea    Smilo grass
invasive non-native
Perennial grass

POACEAE

Stipa miliacea var. miliacea
2022 Donald Burk
Stipa miliacea var. miliacea
2009 Keir Morse
Stipa miliacea var. miliacea
2022 Donald Burk

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
2019 Michelle Karle
Stipa pulchra
2019 Ron Vanderhoff
Stipa pulchra
2018 Gary McDonald

Torilis arvensis    Field hedge parsley,  Spreading hedgeparsley
invasive non-native
Annual herb

APIACEAE

Torilis arvensis
2019 Ron Vanderhoff
Torilis arvensis
2018 Gary McDonald
Torilis arvensis
2018 Lindsey Hack

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum
2020 Ron Vanderhoff
Toxicodendron diversilobum
2019 Randy Huey
Toxicodendron diversilobum
2021 Bryant Baker

Trichostema lanatum    Woolly bluecurls
native
Shrub

LAMIACEAE

Trichostema lanatum
2017 Ron Vanderhoff
Trichostema lanatum
2019 Diane Etchison
Trichostema lanatum
2019 Diane Etchison

Umbellularia californica    Bay laurel,  California bay,  California laurel, bay tree
native
Tree

LAURACEAE

Umbellularia californica
2015 Ken Lunders
Umbellularia californica
2020 Diane Etchison
Umbellularia californica
2022 David Strauch

Verbena lasiostachys var. lasiostachys    Vervain,  Western vervain
native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. lasiostachys
2018 Gary McDonald
Verbena lasiostachys var. lasiostachys
2018 Mary Conway
Verbena lasiostachys var. lasiostachys
2018 Mary Conway