logo Calflora  Illustrated Plant List 
Edgewood County Park
San Mateo County

San Mateo County

Toni Corelli  / Botanist/County Park Volunteer  (2008-01-01)

Record Detail Nearby Surveys What Grows Here?
528 PLANTS
Abelia Xgrandiflora    Glossy abelia
non-native
Perennial herb

CAPRIFOLIACEAE

Abelia Xgrandiflora
© 2016 Barbara Boethling
Abelia Xgrandiflora
© 2016 Barbara Boethling
Abelia Xgrandiflora
© 2016 Barbara Boethling

Adiantum jordanii    Adiantum,  maiden hair fern
native
Fern

PTERIDACEAE

Adiantum jordanii
© 2022 BOB CASE
Adiantum jordanii
© 2019 Ron Vanderhoff
Adiantum jordanii
© 2023 Mike Russler

Carex serratodens    Bifid sedge,  Two tooth sedge
native
Perennial grasslike herb

CYPERACEAE

Carex serratodens
© 2019 Steve Matson
Carex serratodens
© 2019 Steve Matson
Carex serratodens
© 2021 Cynthia Powell

Carex subbracteata    Small bract sedge
native
Perennial grasslike herb

CYPERACEAE

Carex subbracteata
© 2023 Dana York
Carex subbracteata
© 2021 John Rawlings
Carex subbracteata
© 2023 Ellen Uhler

Croton setigerus    Turkey-mullein
native
Annual herb

EUPHORBIACEAE

Croton setigerus
© 2011 Steve Matson
Croton setigerus
© 2011 Steve Matson
Croton setigerus
© 2014 Richard Chasey

Dryopteris arguta    California wood fern,  Coastal wood fern,  Shield fern
native
Fern

DRYOPTERIDACEAE

Dryopteris arguta
© 2023 Julia Markey
Dryopteris arguta
© 2019 Rebecca Crowe
Dryopteris arguta
© 2018 James Gonsman

Eleocharis montevidensis    Montevideo spike rush,  Sand spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis montevidensis
© 2021 Ron Vanderhoff
Eleocharis montevidensis
© 2021 Ron Vanderhoff
Eleocharis montevidensis
© 2020 John Rawlings

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

EQUISETACEAE

Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2016 Steve Matson
Equisetum telmateia ssp. braunii
© 2022 Suzanne L. Weakley

Eucalyptus pulverulenta    Money tree,  Silverleaf mountain gum
non-native
Tree

MYRTACEAE

Eucalyptus pulverulenta
© 2012 David Varner
Eucalyptus pulverulenta
© 2008 Zoya Akulova
Eucalyptus pulverulenta
© 2012 David Varner

Hesperocyparis macrocarpa    Monterey cypress
native
Tree

CUPRESSACEAE

Hesperocyparis macrocarpa
© 2017 Bryant Baker
Hesperocyparis macrocarpa
© 2019 Patrick Furtado
Hesperocyparis macrocarpa
© 2019 Cynthia Powell

Juncus occidentalis    Rush,  Slender juncus,  Western rush
native
Perennial grasslike herb

JUNCACEAE

Juncus occidentalis
© 2021 Toni Corelli
Juncus occidentalis
© 2021 Dick Rawson
Juncus occidentalis
© 2021 Dick Rawson

Juncus patens    Common rush,  Spreading rush
native
Perennial grasslike herb

JUNCACEAE

Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2022 R.A. Chasey
Juncus patens
© 2018 Emily Allen

non-native
Perennial herb (bulb)

AMARYLLIDACEAE

Narcissus pseudonarcissus
© 2020 Ken Lunders
Narcissus pseudonarcissus
© 2019 Colleen Herr
Narcissus pseudonarcissus
© 2017 MCOSD EDRR

Narcissus tazetta    Cream narcissus
non-native
Perennial herb (bulb)

AMARYLLIDACEAE

Narcissus tazetta
© 2016 Ron Vanderhoff
Narcissus tazetta
© 2022 Ramona Robison
Narcissus tazetta
© 2020 Diana Wahl

Pellaea andromedifolia    Coffee cliffbrake,  Coffee fern
native
Fern

PTERIDACEAE

Pellaea andromedifolia
© 2023 Steve Conger
Pellaea andromedifolia
© 2021 Steve Matson
Pellaea andromedifolia
© 2021 Mike Russler

native
Fern

PTERIDACEAE

Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2008 Steve Matson
Pentagramma triangularis ssp. triangularis
© 2019 Gary McDonald

Phacelia imbricata ssp. imbricata    Imbricate Phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson
Phacelia imbricata ssp. imbricata
© 2019 Steve Matson

Pinus pinea    Italian stone pine
non-native
Tree

PINACEAE

Pinus pinea
© 2018 Michael Mitchell
Pinus pinea
© 2020 Diana Wahl
Pinus pinea
© 2015 Chris Jaster

non-native
Annual herb

CARYOPHYLLACEAE

Polycarpon tetraphyllum var. tetraphyllum
© 2022 Donald Burk
Polycarpon tetraphyllum var. tetraphyllum
© 2021 Donald Burk
Polycarpon tetraphyllum var. tetraphyllum
© 2013 Toni Corelli

Polypodium californicum    California polypody
native
Fern

POLYPODIACEAE

Polypodium californicum
© 2020 Ron Vanderhoff
Polypodium californicum
© 2021 Ron Vanderhoff
Polypodium californicum
© 2023 Keir Morse

Polystichum munitum    Western sword fern,  Western swordfern
native
Fern

DRYOPTERIDACEAE

Polystichum munitum
© 2021 Julie A. Kierstead
Polystichum munitum
© 2022 Jerry Murray
Polystichum munitum
© 2011 Toni Corelli

Zeltnera muhlenbergii    Small Tree-Mallow


Pinus radiata    Monterey pine
native
Tree

PINACEAE

Pinus radiata
© 2011 Toni Corelli
Pinus radiata
© 2012 Michael Mitchell
Pinus radiata
© 2012 Michael Mitchell

Trifolium subterraneum    Sub clover,  Subterranean clover
non-native
Annual herb

FABACEAE

Trifolium subterraneum
© 2008 Steve Matson
Trifolium subterraneum
© 2008 Steve Matson
Trifolium subterraneum
© 2017 Steve Matson

Arctostaphylos crustacea ssp. crustacea    Brittle leaf manzanita
native
Shrub

ERICACEAE

Arctostaphylos crustacea ssp. crustacea
© 2017 Steve Matson
Arctostaphylos crustacea ssp. crustacea
© 2017 Steve Matson
Arctostaphylos crustacea ssp. crustacea
© 2017 Steve Matson

Ribes menziesii var. menziesii    Canyon gooseberry
native
Shrub

GROSSULARIACEAE

Ribes menziesii var. menziesii
© 2018 Rebecca Schoenenberger
Ribes menziesii var. menziesii
© 2019 Michael Mitchell
Ribes menziesii var. menziesii
© 2020 Susan McDougall

Arctostaphylos regismontana    Kings mountain manzanita,  Kings mtn. manzanita
rare native
Shrub

ERICACEAE

Arctostaphylos regismontana
© 2020 David Greenberger
Arctostaphylos regismontana
© 2020 R.A. Chasey
Arctostaphylos regismontana
© 2020 David Greenberger

Frangula californica ssp. tomentella    Hoary coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. tomentella
© 2020 R.A. Chasey
Frangula californica ssp. tomentella
© 2016 Ron Vanderhoff
Frangula californica ssp. tomentella
© 2023 Ron Vanderhoff

Pedicularis densiflora    Warrior's plume,  Indian warrior
native
Perennial herb

OROBANCHACEAE

Pedicularis densiflora
© 2015 Dee Warenycia
Pedicularis densiflora
© 2019 Jason Mills
Pedicularis densiflora
© 2017 Joshua Borkowski

Vinca major    Bigleaf periwinkle,  Greater periwinkle,  Vinca
invasive non-native
Perennial herb

APOCYNACEAE

Vinca major
© 2020 Julia Markey
Vinca major
© 2022 Ron Vanderhoff
Vinca major
© 2021 Ron Vanderhoff

Silene gallica    Common catchfly,  Windmill pink
non-native
Annual herb

CARYOPHYLLACEAE

Silene gallica
© 2019 Mary Wloch
Silene gallica
© 2017 Gary McDonald
Silene gallica
© 2019 Gary McDonald

Solanum umbelliferum    Blue witch nightshade,  Bluewitch nightshade
native
Shrub

SOLANACEAE

Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson
Solanum umbelliferum
© 2014 Steve Matson

Kniphofia uvaria    Redhot poker
invasive non-native
Perennial herb

ASPHODELACEAE

Kniphofia uvaria
© 2022 Michael Mitchell
Kniphofia uvaria
© 2021 Avis Boutell
Kniphofia uvaria
© 2013 Michael Mitchell

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

Capsella bursa-pastoris    Shepherd's purse
non-native
Annual herb

BRASSICACEAE

Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson
Capsella bursa-pastoris
© 2008 Steve Matson

Gazania linearis    Gazania,  Treasure flower,  Treasureflower
invasive non-native
Perennial herb

ASTERACEAE

Gazania linearis
© 2016 Barbara Boethling
Gazania linearis
© 2018 Ron Vanderhoff
Gazania linearis
© 2018 Ron Vanderhoff

Heterotheca grandiflora    Telegraph weed,  Telegraphweed
native
Annual, Perennial herb

ASTERACEAE

Heterotheca grandiflora
© 2021 Mike Russler
Heterotheca grandiflora
© 2021 Mike Russler
Heterotheca grandiflora
© 2021 Mike Russler

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

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
© 2023 Ron Vanderhoff

Senecio vulgaris    Common groundsel,  Old man in the spring,  Old man of spring
non-native
Annual herb

ASTERACEAE

Senecio vulgaris
© 2017 Barbara Boethling
Senecio vulgaris
© 2019 Ron Vanderhoff
Senecio vulgaris
© 2021 Toni Corelli

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii
© 2006 Steve Matson
Solanum douglasii
© 2006 Steve Matson
Solanum douglasii
© 2006 Steve Matson

Sonchus oleraceus    Common sow thistle,  Common sowthistle,  Sow thistle
non-native
Annual herb

ASTERACEAE

Sonchus oleraceus
© 2019 Diane Etchison
Sonchus oleraceus
© 2015 Jesse Rorabaugh
Sonchus oleraceus
© 2024 Ron Vanderhoff

Acacia melanoxylon    Blackwood acacia
invasive non-native
Tree

FABACEAE

Acacia melanoxylon
© 2022 Julian Geoghegan
Acacia melanoxylon
© 2019 Julian Geoghegan
Acacia melanoxylon
© 2023 Jennifer Mo

Bromus carinatus var. carinatus    California brome,  Mountain brome
native
Perennial grass

POACEAE

Bromus carinatus var. carinatus
© 2016 Richard Chasey
Bromus carinatus var. carinatus
© 2013 Jean Pawek
Bromus carinatus var. carinatus
© 2021 Amelia Ryan

non-native
Annual grass

POACEAE

Bromus madritensis ssp. madritensis
© 2015 Chris Jaster
Bromus madritensis ssp. madritensis
© 2015 Chris Jaster
Bromus madritensis ssp. madritensis
© 2015 Chris Jaster

Cardamine oligosperma    Bitter cress,  Idaho bittercress
native
Annual, Perennial herb

BRASSICACEAE

Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson
Cardamine oligosperma
© 2008 Steve Matson

Danthonia californica    California oatgrass
native
Perennial grass

POACEAE

Danthonia californica
© 2024 R.A. Chasey
Danthonia californica
© 2021 John Rawlings
Danthonia californica
© 2023 R.A. Chasey

Lomatium macrocarpum    Bigseed biscuitroot,  Large fruited lomatium
native
Perennial herb

APIACEAE

Lomatium macrocarpum
© 2021 John Game
Lomatium macrocarpum
© 2023 R.A. Chasey
Lomatium macrocarpum
© 2023 R.A. Chasey

Melica imperfecta    California melic,  Coast range melic,  Small flowered melica
native
Perennial grass

POACEAE

Melica imperfecta
© 2020 Ron Vanderhoff
Melica imperfecta
© 2021 Ron Vanderhoff
Melica imperfecta
© 2020 Ron Vanderhoff

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

POACEAE

Phalaris aquatica
© 2018 Thomas Reyes
Phalaris aquatica
© 2021 Lenihan Mazur
Phalaris aquatica
© 2022 Lenihan Mazur

Prunus subcordata    Klamath plum,  Sierra plum
native
Tree, Shrub

ROSACEAE

Prunus subcordata
© 2020 David Greenberger
Prunus subcordata
© Kevin Hintsa
Prunus subcordata
© 2020 David Greenberger

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

FAGACEAE

Quercus agrifolia var. agrifolia
© 2023 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2022 Ron Vanderhoff
Quercus agrifolia var. agrifolia
© 2021 Al Keuter

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia
© 2022 David Strauch
Quercus berberidifolia
© 2022 Ron Vanderhoff
Quercus berberidifolia
© 2022 David Strauch

Quercus lobata    California white oak,  Valley oak
native
Tree

FAGACEAE

Quercus lobata
© 2023 Helen Hancock
Quercus lobata
© 2021 Cynthia Powell
Quercus lobata
© 2023 Suzanne L. Weakley

Ribes californicum var. californicum    California gooseberry,  Hillside gooseberry
native
Shrub

GROSSULARIACEAE

Ribes californicum var. californicum
© 2019 Matt Berger
Ribes californicum var. californicum
© 2018 Gary McDonald
Ribes californicum var. californicum
© 2019 Adam Chasey

Taraxacum officinale    Common dandelion,  Dandelion,  Red seeded dandelion
invasive non-native
Perennial herb

ASTERACEAE

Taraxacum officinale
© 2021 Ron Vanderhoff
Taraxacum officinale
© 2019 Diane Etchison
Taraxacum officinale
© 2021 Ron Vanderhoff

Trifolium hirtum    Rose clover
invasive non-native
Annual herb

FABACEAE

Trifolium hirtum
© 2011 Steve Matson
Trifolium hirtum
© 2011 Steve Matson
Trifolium hirtum
© 2011 Steve Matson

Triticum aestivum    Common wheat,  Wheat
non-native
Annual grass

POACEAE

Triticum aestivum
© 2022 Lenihan Mazur
Triticum aestivum
© 2021 John Rawlings
Triticum aestivum
© 2021 Julian Geoghegan

Vicia sativa ssp. nigra    Common vetch,  Garden vetch,  Smaller common vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. nigra
© 2020 Ken Lunders
Vicia sativa ssp. nigra
© 2020 Ron Vanderhoff
Vicia sativa ssp. nigra
© 2020 Ron Vanderhoff

Vicia sativa ssp. sativa    Garden vetch,  Pubescent common vetch,  Spring vetch
non-native
Annual herb, Vine

FABACEAE

Vicia sativa ssp. sativa
© 2007 Toni Corelli
Vicia sativa ssp. sativa
© 2020 Ron Vanderhoff
Vicia sativa ssp. sativa
© 2020 Ron Vanderhoff

Acacia baileyana    Bailey acacia,  Cootamundra wattle
invasive non-native
Tree, Shrub

FABACEAE

Acacia baileyana
© 2020 Jutta Burger
Acacia baileyana
© 2020 John Rawlings
Acacia baileyana
© 2020 John Rawlings

Acacia dealbata    Silver wattle
invasive non-native
Tree, Shrub

FABACEAE

Acacia dealbata
© 2019 Gary McDonald
Acacia dealbata
© 2023 Ron Vanderhoff
Acacia dealbata
© 2019 Gary McDonald

Aphanes occidentalis    Western lady's mantle
native
Annual, Perennial herb

ROSACEAE

Aphanes occidentalis
© 2019 Ron Vanderhoff
Aphanes occidentalis
© 2017 Ron Vanderhoff
Aphanes occidentalis
© 2023 R.A. Chasey

Barbarea orthoceras    American rocket,  American wintercress,  Erectpod wintercress
native
Perennial herb

BRASSICACEAE

Barbarea orthoceras
© 2015 James Gonsman
Barbarea orthoceras
© 2019 Diane Etchison
Barbarea orthoceras
© 2020 Diane Etchison

Cardamine californica    California toothwort,  milkmaids
native
Perennial herb

BRASSICACEAE

Cardamine californica
© 2020 Barbara Peck
Cardamine californica
© 2019 Ron Vanderhoff
Cardamine californica
© 2019 Ron Vanderhoff

Ceanothus cuneatus var. cuneatus    Buck brush,  Buckbrush
native
Shrub

RHAMNACEAE

Ceanothus cuneatus var. cuneatus
© 2022 Ryan O'Dell
Ceanothus cuneatus var. cuneatus
© 2021 Steve Matson
Ceanothus cuneatus var. cuneatus
© 2019 Cara Wilcox

Dichelostemma capitatum ssp. capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum ssp. capitatum
© 2017 Alison Sheehey
Dichelostemma capitatum ssp. capitatum
© Geoff Burleigh
Dichelostemma capitatum ssp. capitatum
© 2015 Ken Lunders

Dodecatheon hendersonii    Mosquito bill
native
Perennial herb

PRIMULACEAE

Dodecatheon hendersonii
© 2016 Steve Matson
Dodecatheon hendersonii
© 2016 Steve Matson
Dodecatheon hendersonii
© 2020 BLM Redding Field Office

Festuca californica    California fescue
native
Perennial grass

POACEAE

Festuca californica
© 2019 Justin Luong
Festuca californica
© 2022 Justin Luong
Festuca californica
© 2012 Aaron Arthur

Fritillaria liliacea    Fragrant fritillary
rare native
Perennial herb (bulb)

LILIACEAE

Fritillaria liliacea
© 2017 Steve Matson
Fritillaria liliacea
© 2017 Steve Matson
Fritillaria liliacea
© 2017 Steve Matson

Mimulus douglasii    Purple mouse ears
native
Annual herb

PHRYMACEAE

Mimulus douglasii
© 2023 Timothy Boomer
Mimulus douglasii
© 2023 Timothy Boomer
Mimulus douglasii
© 2023 Timothy Boomer

Plagiobothrys nothofulvus    Rusty haired popcorn flower,  Rusty popcorn flower,  Rusty popcornflower
native
Annual herb

BORAGINACEAE

Plagiobothrys nothofulvus
© 2011 Steve Matson
Plagiobothrys nothofulvus
© 2011 Steve Matson
Plagiobothrys nothofulvus
© 2015 Steve Matson

Prunus ilicifolia ssp. ilicifolia    Holly leaf cherry,  Hollyleaf cherry
native
Tree, Shrub

ROSACEAE

Prunus ilicifolia ssp. ilicifolia
© 2018 David Greenberger
Prunus ilicifolia ssp. ilicifolia
© 2019 Ron Vanderhoff
Prunus ilicifolia ssp. ilicifolia
© 2020 James Gonsman

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

APIACEAE

Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2023 Steve Conger
Sanicula crassicaulis
© 2021 Steve Laymon

Taraxia ovata    Sun cup,  Goldeneggs
native
Perennial herb

ONAGRACEAE

Taraxia ovata
© 2017 Steve Matson
Taraxia ovata
© 2017 Steve Matson
Taraxia ovata
© 2017 Steve Matson

Thysanocarpus curvipes    Fringe pod,  Fringed pod,  Hairy lacepod
native
Annual herb

BRASSICACEAE

Thysanocarpus curvipes
© 2019 Steve Matson
Thysanocarpus curvipes
© 2014 Steve Matson
Thysanocarpus curvipes
© 2016 Steve Matson

Triphysaria eriantha ssp. eriantha    Butter 'n' eggs,  Johnny tuck
native
Annual herb

OROBANCHACEAE

Triphysaria eriantha ssp. eriantha
© 2005 Steve Matson
Triphysaria eriantha ssp. eriantha
© 2021 Steve Matson
Triphysaria eriantha ssp. eriantha
© 2008 Steve Matson

Anagallis monelli    Flaxleaf pimpernel
non-native
Perennial herb

MYRSINACEAE

Anagallis monelli
© 2022 Richard Sullivan
Anagallis monelli
© 2021 Randy Huey
Anagallis monelli
© 2022 John Doyen

Calandrinia menziesii    red maids,  Calandrinia
native
Annual herb

MONTIACEAE

Calandrinia menziesii
© 2021 Mary Ann Machi
Calandrinia menziesii
© 2019 Ron Vanderhoff
Calandrinia menziesii
© 2019 Ron Vanderhoff

Cerastium glomeratum    Large mouse ears,  Mouseear chickweed,  Sticky chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Cerastium glomeratum
© 2024 Dana York
Cerastium glomeratum
© 2023 Ron Vanderhoff
Cerastium glomeratum
© 2023 R.A. Chasey

Chasmanthe floribunda    African cornflag,  Chasmanthe
invasive non-native
Perennial herb

IRIDACEAE

Chasmanthe floribunda
© 2020 Ron Vanderhoff
Chasmanthe floribunda
© 2020 Ron Vanderhoff
Chasmanthe floribunda
© 2017 Ron Vanderhoff

Claytonia exigua ssp. exigua    Little spring beauty,  Serpentine springbeauty,  Viridis
native
Annual herb

MONTIACEAE

Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson
Claytonia exigua ssp. exigua
© 2019 Steve Matson

Crassula connata    Pigmy weed,  Sand pygmy weed,  Sand pygmyweed
native
Annual herb

CRASSULACEAE

Crassula connata
© 2020 Ron Vanderhoff
Crassula connata
© 2019 Ron Vanderhoff
Crassula connata
© 2019 Ron Vanderhoff

Cynoglossum grande    Hound's tongue,  Western houndstongue,  Adelinia
native
Perennial herb

BORAGINACEAE

Cynoglossum grande
© 2022 David Strauch
Cynoglossum grande
© 2007 Steve Matson
Cynoglossum grande
© 2021 Dee Shea Himes

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

GERANIACEAE

Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson
Erodium botrys
© 2006 Steve Matson

Festuca myuros    Rattail sixweeks grass
invasive non-native
Annual grass

POACEAE

Festuca myuros
© 2021 Aaron Echols
Festuca myuros
© 2021 Ron Vanderhoff
Festuca myuros
© 2022 John Rawlings

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea
© 2017 B.J. Dion
Lamarckia aurea
© 2019 Ron Vanderhoff
Lamarckia aurea
© 2015 James Gonsman

Layia platyglossa    Coastal tidytips
native
Annual herb

ASTERACEAE

Layia platyglossa
© 2015 Amy Rapport
Layia platyglossa
© 2019 Jenna T. B. Ekwealor
Layia platyglossa
© 2017 Chris Mo

Lepidium nitidum    Peppergrass,  Shining pepper grass,  Shining pepperweed
native
Annual herb

BRASSICACEAE

Lepidium nitidum
© 2021 Steve Matson
Lepidium nitidum
© 2016 Steve Matson
Lepidium nitidum
© 2021 Steve Matson

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

FABACEAE

Lupinus succulentus
© 2023 Andy Ford
Lupinus succulentus
© 2018 Stacie Wolny
Lupinus succulentus
© 2018 Stacie Wolny

Oemleria cerasiformis    Indian plum,  Oso berry
native
Shrub

ROSACEAE

Oemleria cerasiformis
© 2019 Margo Bors
Oemleria cerasiformis
© 2019 Stacie Wolny
Oemleria cerasiformis
© 2023 David Wolfson

Platystemon californicus    Cream cups,  Creamcups
native
Annual herb

PAPAVERACEAE

Platystemon californicus
© 2017 Nathanial Wigington
Platystemon californicus
© 2022 John L. Thompson
Platystemon californicus
© 2022 John L. Thompson

Ranunculus californicus    California buttercup
native
Perennial herb

RANUNCULACEAE

Ranunculus californicus
© 2016 Steve Matson
Ranunculus californicus
© 2016 Steve Matson
Ranunculus californicus
© 2016 Steve Matson

Rubus ursinus    California blackberry,  Pacific blackberry
native
Vine, Shrub

ROSACEAE

Rubus ursinus
© 2018 Ken Lunders
Rubus ursinus
© 2019 Ron Vanderhoff
Rubus ursinus
© 2015 Kelli Kallenborn

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2022 Ron Vanderhoff
Salix lasiolepis
© 2020 Steve Matson

Sanicula laciniata    Coast sanicle,  Coastal blacksnakeroot
native
Perennial herb

APIACEAE

Sanicula laciniata
© 2022 Diane Renshaw
Sanicula laciniata
© 2022 R.A. Chasey
Sanicula laciniata
© 2018 Ken Hickman

Scrophularia californica    California bee plant,  California figwort
native
Perennial herb

SCROPHULARIACEAE

Scrophularia californica
© 2020 Bob Sweatt
Scrophularia californica
© 2006 Steve Matson
Scrophularia californica
© 2019 Cynthia Powell

Trifolium barbigerum    Bearded clover
native
Annual herb

FABACEAE

Trifolium barbigerum
© 2023 R.A. Chasey
Trifolium barbigerum
© 2010 Toni Corelli
Trifolium barbigerum
© 2017 Toni Corelli

Trifolium depauperatum var. truncatum    Dwarf sack clover
native
Annual herb

FABACEAE

Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff
Trifolium depauperatum var. truncatum
© 2023 Steven Mills Glascock
Trifolium depauperatum var. truncatum
© 2021 Ron Vanderhoff

Veronica persica    Bird's eye speedwell,  Birdeye speedwell
non-native
Annual herb

PLANTAGINACEAE

Veronica persica
© 2019 Patrick Furtado
Veronica persica
© 2022 Bob Sweatt
Veronica persica
© 2022 Ron Vanderhoff

Amsinckia intermedia    Common fiddleneck
native
Annual herb

BORAGINACEAE

Amsinckia intermedia
© 2020 Matt Berger
Amsinckia intermedia
© 2019 Ron Vanderhoff
Amsinckia intermedia
© 2021 David popp

invasive non-native
Annual grass

POACEAE

Bromus madritensis ssp. rubens
© 2015 Chris Jaster
Bromus madritensis ssp. rubens
© 2015 jamie smith
Bromus madritensis ssp. rubens
© 2018 Gary McDonald

non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus ssp. pycnocephalus
© 2020 Ron Vanderhoff
Carduus pycnocephalus ssp. pycnocephalus
© 2019 Gary McDonald
Carduus pycnocephalus ssp. pycnocephalus
© 2021 Ron Vanderhoff

Castilleja foliolosa    Texas paintbrush,  Woolly indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja foliolosa
© 2019 Ron Vanderhoff
Castilleja foliolosa
© 2019 Diane Etchison
Castilleja foliolosa
© 2019 Diane Etchison

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
© 2008 Steve Matson
Erodium cicutarium
© 2022 Steve Matson

Gilia clivorum    Many stemmed gilia,  Purple spot gilia,  Purplespot gilia
native
Annual herb

POLEMONIACEAE

Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2013 Gary McDonald
Gilia clivorum
© 2021 Helen Hancock

Hedypnois cretica    Crete weed
non-native
Annual herb

ASTERACEAE

Hedypnois cretica
© 2022 Steve Matson
Hedypnois cretica
© 2022 Steve Matson
Hedypnois cretica
© 2022 Steve Matson

Hesperocnide tenella    Western nettle,  Western stinging nettle,  Western stingingnettle
native
Annual herb

URTICACEAE

Hesperocnide tenella
© 2023 Ken-ichi Ueda
Hesperocnide tenella
© 2006 Steve Matson
Hesperocnide tenella
© 2020 Ken Hickman

Iris douglasiana    Douglas iris,  Douglas' iris
native
Perennial herb

IRIDACEAE

Iris douglasiana
© 2020 Susan McDougall
Iris douglasiana
© 2019 Patrick Furtado
Iris douglasiana
© 2022 Suzanne L. Weakley

Medicago polymorpha    Bur clover,  Bur medic,  California burclover
invasive non-native
Annual herb

FABACEAE

Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald
Medicago polymorpha
© 2019 Gary McDonald

Microsteris gracilis    Slender phlox
native
Annual herb

POLEMONIACEAE

Microsteris gracilis
© 2003 Steve Matson
Microsteris gracilis
© 2016 Steve Matson
Microsteris gracilis
© 2003 Steve Matson

Pyracantha angustifolia    Narrowleaf firethorn
invasive non-native
Shrub

ROSACEAE

Pyracantha angustifolia
© 2018 Abbot Chambers
Pyracantha angustifolia
© 2019 Abbot Chambers
Pyracantha angustifolia
© 2018 Chris Qian

Trillium chloropetalum    Common trillium,  Giant wakerobin,  Trillium
native
Perennial herb

MELANTHIACEAE

Trillium chloropetalum
© 2024 Karen Swift
Trillium chloropetalum
© 2024 Cynthia Powell
Trillium chloropetalum
© 2023 Hunter Breck

Geranium molle    Crane's bill geranium,  Dove's foot geranium,  Dovefoot geranium
invasive non-native
Annual, Perennial herb

GERANIACEAE

Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson
Geranium molle
© 2008 Steve Matson

Monolopia major    Cupped monolopia
native
Annual herb

ASTERACEAE

Monolopia major
© 2019 Susan McDougall
Monolopia major
© 2019 Susan McDougall
Monolopia major
© 2022 Ryan O'Dell

Myosotis latifolia    Broadleaf forget me not,  Forget me not,  Wide leaved forget me not
invasive non-native
Perennial herb

BORAGINACEAE

Myosotis latifolia
© 2019 Cynthia Powell
Myosotis latifolia
© 2018 Tim Lewis
Myosotis latifolia
© 2022 Ecological Concerns Inc

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2016 Steve Matson
Pterostegia drymarioides
© 2005 Steve Matson

Raphanus sativus    Cultivated radish,  Jointed charlock,  Wild radish
invasive non-native
Annual, Biennial herb

BRASSICACEAE

Raphanus sativus
© 2017 Lisa Miller
Raphanus sativus
© 2020 Ron Vanderhoff
Raphanus sativus
© 2023 Julia Markey

Sanicula tuberosa    Tuberous sanicle,  Turkey pea
native
Perennial herb

APIACEAE

Sanicula tuberosa
© 2023 R.A. Chasey
Sanicula tuberosa
© 2023 R.A. Chasey
Sanicula tuberosa
© 2023 R.A. Chasey

Cuscuta californica var. californica    California dodder,  Chaparral dodder,  Short flowered dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica var. californica
© 2021 R.A. Chasey
Cuscuta californica var. californica
© 2021 Ron Vanderhoff
Cuscuta californica var. californica
© 2021 Ron Vanderhoff

Euphorbia peplus    Petty spurge
non-native
Annual herb

EUPHORBIACEAE

Euphorbia peplus
© 2006 Steve Matson
Euphorbia peplus
© 2022 Alice Cummings
Euphorbia peplus
© 2005 Luigi Rignanese

Eschscholzia californica    California poppy
native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica
© 2019 Dee Shea Himes
Eschscholzia californica
© 2021 Ron Vanderhoff
Eschscholzia californica
© 2019 Amy Rapport

Stellaria media    Chickweed
non-native
Annual herb

CARYOPHYLLACEAE

Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2018 Gary McDonald
Stellaria media
© 2015 Diane Etchison

Crepis vesicaria ssp. taraxacifolia    Beaked hawksbeard,  Weedy hawksbeard
non-native
Annual, Perennial herb

ASTERACEAE

Crepis vesicaria ssp. taraxacifolia
© 2011 Toni Corelli
Crepis vesicaria ssp. taraxacifolia
© 2010 Neal Kramer
Crepis vesicaria ssp. taraxacifolia
© 2010 Toni Corelli

Sonchus asper ssp. asper    Prickly sow thistle,  Sow thistle
invasive non-native
Annual herb

ASTERACEAE

Sonchus asper ssp. asper
© 2014 Gary McDonald
Sonchus asper ssp. asper
© 2022 Ron Vanderhoff
Sonchus asper ssp. asper
© 2014 Gary McDonald

Acmispon wrangelianus    Wrangel lotus
native
Annual herb

FABACEAE

Acmispon wrangelianus
© 2016 Steve Matson
Acmispon wrangelianus
© 2016 Steve Matson
Acmispon wrangelianus
© 2016 Steve Matson

Allium triquetrum    Three cornered leek,  Threecorner leek,  White flowered onion
invasive non-native
Perennial herb (bulb)

ALLIACEAE

Allium triquetrum
© 2017 Steve Matson
Allium triquetrum
© 2017 Steve Matson
Allium triquetrum
© 2017 Steve Matson

Apiastrum angustifolium    Mock parsley,  Wild celery,  Wild parsley
native
Annual herb

APIACEAE

Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2020 Ron Vanderhoff
Apiastrum angustifolium
© 2020 Ron Vanderhoff

Bowlesia incana    Hoary bowlesia
native
Annual herb

APIACEAE

Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2019 Diane Renshaw
Bowlesia incana
© 2017 Gary McDonald

native
Shrub

RHAMNACEAE

Ceanothus oliganthus var. sorediatus
© 2022 R.A. Chasey
Ceanothus oliganthus var. sorediatus
© 2017 Steve Matson
Ceanothus oliganthus var. sorediatus
© 2019 Susan McDougall

Cicendia quadrangularis    Common microcalis,  Oregon timwort
native
Annual herb

GENTIANACEAE

Cicendia quadrangularis
© 2008 Steve Matson
Cicendia quadrangularis
© 2022 Charles Russell
Cicendia quadrangularis
© 2023 Bill Kress

Delphinium patens ssp. patens    Spreading larkspur,  Zigzag larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium patens ssp. patens
© 2014 Michael Mitchell
Delphinium patens ssp. patens
© 2022 Mary Conway
Delphinium patens ssp. patens
© 2022 Mary Conway

native
Perennial herb

RANUNCULACEAE

Delphinium variegatum ssp. variegatum
© 2023 Hunter Breck
Delphinium variegatum ssp. variegatum
© 2022 Mike Russler
Delphinium variegatum ssp. variegatum
© 2022 Mike Russler

Dodecatheon clevelandii ssp. patulum    Padre's shooting star
native
Perennial herb

PRIMULACEAE

Dodecatheon clevelandii ssp. patulum
© 2006 Steve Matson
Dodecatheon clevelandii ssp. patulum
© 2006 Steve Matson
Dodecatheon clevelandii ssp. patulum
© 2006 Steve Matson

Ficus carica    Common fig,  Edible fig
invasive non-native
Tree

MORACEAE

Ficus carica
© 2019 Ron Vanderhoff
Ficus carica
© 2022 Ron Vanderhoff
Ficus carica
© 2018 Vicki Salazar

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 Julia Larke

Lomatium californicum    California lomatium,  Celery weed
native
Perennial herb

APIACEAE

Lomatium californicum
© 2022 Richard Sullivan
Lomatium californicum
© 2021 Julie A. Kierstead
Lomatium californicum
© 2020 R.A. Chasey

Lomatium utriculatum    Bladder parsnip,  Common lomatium,  Hog fennel
native
Perennial herb

APIACEAE

Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2006 Steve Matson
Lomatium utriculatum
© 2015 James Gonsman

Marah fabacea    California man-root
native
Perennial herb, Vine

CUCURBITACEAE

Marah fabacea
© 2018 Gary McDonald
Marah fabacea
© 2018 MCOSD EDRR
Marah fabacea
© 2021 Cyril Guyot

Micranthes californica    Greene's saxifrage
native
Perennial herb

SAXIFRAGACEAE

Micranthes californica
© 2016 Steve Matson
Micranthes californica
© 2016 Steve Matson
Micranthes californica
© 2016 Steve Matson

Plantago erecta    California plantain,  Dotseed plantain,  Foothill plantain
native
Annual herb

PLANTAGINACEAE

Plantago erecta
© 2008 Steve Matson
Plantago erecta
© 2022 Steve Matson
Plantago erecta
© 2022 Steve Matson

Plectritis ciliosa    Long spurred plectritis,  Longspur seablush
native
Annual herb

VALERIANACEAE

Plectritis ciliosa
© 2022 Steve Matson
Plectritis ciliosa
© 2005 Steve Matson
Plectritis ciliosa
© 2022 Steve Matson

Sanicula bipinnata    Poison sanicle
native
Perennial herb

APIACEAE

Sanicula bipinnata
© 2008 Steve Matson
Sanicula bipinnata
© 2008 Steve Matson
Sanicula bipinnata
© 2022 R.A. Chasey

Tetrapteron graciliflorum    Hill sun cup
native
Annual herb

ONAGRACEAE

Tetrapteron graciliflorum
© 2021 Charles Russell
Tetrapteron graciliflorum
© 2010 Richard Spjut
Tetrapteron graciliflorum
© 2016 Richard Spjut

Agoseris grandiflora var. grandiflora    Giant mountain dandelion
native
Perennial herb

ASTERACEAE

Agoseris grandiflora var. grandiflora
© 2007 Gerald Carr
Agoseris grandiflora var. grandiflora
© 2007 Gerald Carr
Agoseris grandiflora var. grandiflora
© 2012 Michael Mitchell

Anthriscus caucalis    Bur chervil
non-native
Annual herb, Vine

APIACEAE

Anthriscus caucalis
© 2021 Aaron Echols
Anthriscus caucalis
© 2024 Ron Vanderhoff
Anthriscus caucalis
© 2020 Jennifer Mo

Aquilegia formosa    Crimson columbine,  Sitka columbine,  Western columbine
native
Perennial herb

RANUNCULACEAE

Aquilegia formosa
© 2022 Charles Russell
Aquilegia formosa
© 2019 Diane Etchison
Aquilegia formosa
© 2022 David Strauch

Briza maxima    Big quaking grass,  Big quakinggrass,  Rattlesnake grass
invasive non-native
Annual grass

POACEAE

Briza maxima
© 2017 Gary McDonald
Briza maxima
© 2018 Bill Schmidt
Briza maxima
© 2017 Gary McDonald

Castilleja attenuata    Narrow leaved owl's clover,  Valley tassels
native
Annual herb

OROBANCHACEAE

Castilleja attenuata
© 2024 Steve Conger
Castilleja attenuata
© 2024 Mary Ann Machi
Castilleja attenuata
© 2019 Timothy Boomer

Castilleja densiflora ssp. densiflora    Dense flower owl's clover,  Denseflower indian paintbrush
native
Annual herb

OROBANCHACEAE

Castilleja densiflora ssp. densiflora
© 2018 Hayley Ross
Castilleja densiflora ssp. densiflora
© 2019 Verna Jigour
Castilleja densiflora ssp. densiflora
© 2022 Alice Cummings

Collinsia multicolor    San Francisco blue eyed mary,  San Francisco collinsia
rare native
Annual herb

PLANTAGINACEAE

Collinsia multicolor
© 2022 Janell Hillman
Collinsia multicolor
© 2019 Ken Hickman
Collinsia multicolor
© 2018 Barry Thomson

Cornus sericea ssp. sericea    American dogwood,  Creek dogwood,  Red osier dogwood
native
Shrub

CORNACEAE

Cornus sericea ssp. sericea
© 2003 Steve Matson
Cornus sericea ssp. sericea
© 2019 Richard Spjut
Cornus sericea ssp. sericea
© 2020 Doug Allshouse

Cryptantha flaccida    Beaked cryptantha,  Flaccid cryptantha,  Weakstem cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha flaccida
© 2018 Alice Cummings
Cryptantha flaccida
© 2016 Steve Matson
Cryptantha flaccida
© 2016 Steve Matson

Euphorbia spathulata    Reticulate seeded spurge,  Warty spurge
native
Annual herb

EUPHORBIACEAE

Euphorbia spathulata
© 2021 R.A. Chasey
Euphorbia spathulata
© 2014 Steve Matson
Euphorbia spathulata
© 2014 Steve Matson

Fritillaria affinis    Checker lily,  Mission bells
native
Perennial herb (bulb)

LILIACEAE

Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson
Fritillaria affinis
© 2008 Steve Matson

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

Genista monspessulana
© 2019 Ron Vanderhoff
Genista monspessulana
© 2019 Ron Vanderhoff
Genista monspessulana
© 2021 Michelle Karle

Hordeum marinum ssp. gussoneanum    Barley,  Mediterranean barley
non-native
Annual grass

POACEAE

Hordeum marinum ssp. gussoneanum
© 2018 Carolyn
Hordeum marinum ssp. gussoneanum
© 2020 Paul Aigner
Hordeum marinum ssp. gussoneanum
© 2017 Toni Corelli

Juncus bufonius    Common toad rush,  Toad rush
native
Annual grasslike herb

JUNCACEAE

Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson
Juncus bufonius
© 2022 Steve Matson

Lasthenia californica ssp. californica    California goldfields
native
Annual herb

ASTERACEAE

Lasthenia californica ssp. californica
© 2021 Charles Russell
Lasthenia californica ssp. californica
© 2022 Steve Matson
Lasthenia californica ssp. californica
© 2015 Toni Corelli

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

FABACEAE

Lathyrus vestitus var. vestitus
© 2023 Steve Conger
Lathyrus vestitus var. vestitus
© 2022 Charles Russell
Lathyrus vestitus var. vestitus
© 2015 Chris Jaster

Lepidium strictum    Peppergrass,  Prostrate pepper grass,  Upright pepperweed
native
Annual herb

BRASSICACEAE

Lepidium strictum
© 2022 Ron Vanderhoff
Lepidium strictum
© 2022 Jim Xerogeanes
Lepidium strictum
© 2022 Ron Vanderhoff

Lithophragma affine    Common woodland star,  San Francisco woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson
Lithophragma affine
© 2018 Steve Matson

Lomatium caruifolium var. caruifolium    Alkali desertparsley,  Caraway leaved lomatium
native
Perennial herb

APIACEAE

Lomatium caruifolium var. caruifolium
© 2014 Steve Matson
Lomatium caruifolium var. caruifolium
© 2014 Steve Matson
Lomatium caruifolium var. caruifolium
© 2014 Steve Matson

Lunaria annua    Annual honesty,  Annual moonwort,  Honesty
non-native
Annual, Perennial herb

BRASSICACEAE

Lunaria annua
© 2022 Suzanne L. Weakley
Lunaria annua
© 2021 Lisa Berry
Lunaria annua
© 2021 Mike Russler

Lupinus affinis    Fleshy lupine
native
Annual herb

FABACEAE

Lupinus affinis
© 2019 Alice Cummings
Lupinus affinis
© 2023 John Rawlings
Lupinus affinis
© 1992 Robert E. Preston, Ph.D.

Microseris douglasii ssp. douglasii    Douglas' microseris,  Douglas' silverpuffs
native
Annual herb

ASTERACEAE

Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 Steve Matson
Microseris douglasii ssp. douglasii
© 2017 Steve Matson

Microseris douglasii ssp. tenella    Douglas' silverpuffs,  Short scaled microseris
native
Annual herb

ASTERACEAE

Microseris douglasii ssp. tenella
© 2022 Helen Hancock
Microseris douglasii ssp. tenella
© 2019 Diane Renshaw
Microseris douglasii ssp. tenella
© 2022 Helen Hancock

Nuttallanthus texanus    Blue toadflax
native
Annual, Perennial herb

PLANTAGINACEAE

Nuttallanthus texanus
© 2017 Steve Matson
Nuttallanthus texanus
© 2017 Steve Matson
Nuttallanthus texanus
© 2017 Steve Matson

Pentachaeta bellidiflora    White rayed pentachaeta,  Whiteray pygmydaisy
rare native
Annual herb

ASTERACEAE

Pentachaeta bellidiflora
© 2021 Diana Wahl
Pentachaeta bellidiflora
© 2020 Diana Wahl
Pentachaeta bellidiflora
© 2015 Neal Kramer

Plagiobothrys fulvus var. campestris    Common popcorn flower,  Fulvous popcornflower,  Tawny popcorn flower
native
Annual herb

BORAGINACEAE

Plagiobothrys fulvus var. campestris
© 2016 Steve Matson
Plagiobothrys fulvus var. campestris
© 2016 Steve Matson
Plagiobothrys fulvus var. campestris
© 2016 Steve Matson

Plectritis macrocera    Long horn plectritis,  Longhorn plectritis,  White plectritis
native
Annual herb

VALERIANACEAE

Plectritis macrocera
© 2019 Gary McDonald
Plectritis macrocera
© 2020 Bob Sweatt
Plectritis macrocera
© 2020 Susan McDougall

Pogogyne serpylloides    Thyme leaf mesa mint,  Thymeleaf mesamint
native
Annual herb

LAMIACEAE

Pogogyne serpylloides
© 2020 Stacie Wolny
Pogogyne serpylloides
© 2022 R.A. Chasey
Pogogyne serpylloides
© 2020 Stacie Wolny

Quercus douglasii    Blue oak
native
Tree

FAGACEAE

Quercus douglasii
© 2018 Gary McDonald
Quercus douglasii
© 2020 Charles Russell
Quercus douglasii
© 2019 Susan McDougall

Ranunculus hebecarpus    Delicate buttercup,  Pubescent fruited buttercup,  Slender annual buttercup
native
Annual herb

RANUNCULACEAE

Ranunculus hebecarpus
© 2019 Ron Vanderhoff
Ranunculus hebecarpus
© 2021 Ron Vanderhoff
Ranunculus hebecarpus
© 2019 Ron Vanderhoff

Ranunculus muricatus    Buttercup,  Pricklefruit buttercup,  Spiny buttercup
non-native
Annual, Perennial herb

RANUNCULACEAE

Ranunculus muricatus
© 2023 R.A. Chasey
Ranunculus muricatus
© 2023 Alaine Arslan
Ranunculus muricatus
© 2009 Julie A. Kierstead

Sambucus nigra ssp. caerulea    Blue elderberry
native
Tree, Shrub

VIBURNACEAE

Sambucus nigra ssp. caerulea
© 2021 Mike Russler
Sambucus nigra ssp. caerulea
© 2020 Diane Etchison
Sambucus nigra ssp. caerulea
© 2022 El Byrne

Sanicula bipinnatifida    Purple sanicle,  Snakeroot,  Purple Sanicle, Shoe Buttons
native
Perennial herb

APIACEAE

Sanicula bipinnatifida
© 2019 Diane Etchison
Sanicula bipinnatifida
© 2018 Gary McDonald
Sanicula bipinnatifida
© 2021 Robin Carter

Sisyrinchium bellum    Western blue eyed grass
native
Perennial herb

IRIDACEAE

Sisyrinchium bellum
© 2024 Steve Conger
Sisyrinchium bellum
© 2024 Ron Vanderhoff
Sisyrinchium bellum
© 2019 Stacie Wolny

Stipa lepida    Foothill needle grass
native
Perennial grass

POACEAE

Stipa lepida
© 2017 Gary McDonald
Stipa lepida
© 2023 Ron Vanderhoff
Stipa lepida
© 2017 Gary McDonald

Stipa pulchra    Purple needle grass
native
Perennial grass

POACEAE

Stipa pulchra
© 2019 Michelle Karle
Stipa pulchra
© 2008 Zoya Akulova
Stipa pulchra
© 2019 Ron Vanderhoff

Toxicoscordion fremontii    Fremont's star lily,  Fremont's death camas
native
Perennial herb

MELANTHIACEAE

Toxicoscordion fremontii
© 2024 Carissa Brands
Toxicoscordion fremontii
© 2024 Mary Conway
Toxicoscordion fremontii
© 2024 Lynn Overtree

Triphysaria pusilla    Dwarf owl's clover,  Little owl's clover
native
Annual herb

OROBANCHACEAE

Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson
Triphysaria pusilla
© 2018 Steve Matson

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi
© 2019 Zack Abbey
Uropappus lindleyi
© 2019 Ron Vanderhoff
Uropappus lindleyi
© 2016 Ron Vanderhoff

Vicia lutea    Smooth yellow vetch
non-native
Annual herb, Vine

FABACEAE

Vicia lutea
© 2019 Thomas Reyes
Vicia lutea
© 2007 Luigi Rignanese
Vicia lutea
© 2022 Emily R. Allen

Wyethia glabra    Coast range mule ears,  Shining mule ears,  Smooth mule ears
native
Perennial herb

ASTERACEAE

Wyethia glabra
© 2020 Julie A. Kierstead
Wyethia glabra
© 2022 R.A. Chasey
Wyethia glabra
© 2019 Colleen Herr

Acmispon brachycarpus    hill lotus
native
Annual herb

FABACEAE

Acmispon brachycarpus
© 2005 Steve Matson
Acmispon brachycarpus
© 2005 Steve Matson
Acmispon brachycarpus
© 2018 Steve Matson

Acmispon parviflorus    Hill lotus
native
Annual herb

FABACEAE

Acmispon parviflorus
© 2008 Steve Matson
Acmispon parviflorus
© 2005 Steve Matson
Acmispon parviflorus
© 2008 Steve Matson

Arum italicum    Italian lords and ladies
non-native
Perennial herb

ARACEAE

Arum italicum
© 2019 Joerg Lohse
Arum italicum
© 2022 Jenny Gossett
Arum italicum
© 2019 Joerg Lohse

Astragalus gambelianus    Dwarf loco weed,  Gambel's dwarf milk vetch,  Gambel's locoweed
native
Annual herb

FABACEAE

Astragalus gambelianus
© 2019 Ron Vanderhoff
Astragalus gambelianus
© 2019 Ron Vanderhoff
Astragalus gambelianus
© 2022 Mike Russler

Avena barbata    Slender oat,  Slim oat
invasive non-native
Annual grass

POACEAE

Avena barbata
© 2018 Julian Geoghegan
Avena barbata
© 2023 David popp
Avena barbata
© 2019 Ron Vanderhoff

Bromus sterilis    Poverty brome,  Sterile brome
non-native
Annual grass

POACEAE

Bromus sterilis
© 2021 John Rawlings
Bromus sterilis
© 2023 John Rawlings
Bromus sterilis
© 2023 John Rawlings

Castilleja exserta ssp. exserta    Exserted indian paintbrush,  Pale purple owlclover,  Purple owl's clover
native
Annual herb

OROBANCHACEAE

Castilleja exserta ssp. exserta
© 2020 David Greenberger
Castilleja exserta ssp. exserta
© 2019 Ron Vanderhoff
Castilleja exserta ssp. exserta
© 2023 Ron Vanderhoff

Caulanthus lasiophyllus    California mustard
native
Annual herb

BRASSICACEAE

Caulanthus lasiophyllus
© 2022 Steve Matson
Caulanthus lasiophyllus
© 2023 Steve Matson
Caulanthus lasiophyllus
© 2010 Steve Matson

Chenopodium californicum    California goosefoot,  Pigweed,  Soaproot
native
Perennial herb

CHENOPODIACEAE

Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler
Chenopodium californicum
© 2023 Mike Russler

Collinsia sparsiflora var. sparsiflora    Few flowered collinsia
native
Annual herb

PLANTAGINACEAE

Collinsia sparsiflora var. sparsiflora
© 2015 James Gonsman
Collinsia sparsiflora var. sparsiflora
© 2024 R.A. Chasey
Collinsia sparsiflora var. sparsiflora
© 2021 Charles Russell

Helianthemum scoparium    Peak Rushrose
native
Shrub

CISTACEAE

Helianthemum scoparium
© 2018 Amy Rapport
Helianthemum scoparium
© 2023 Ron Vanderhoff
Helianthemum scoparium
© 2024 Mike Russler

Hesperevax sparsiflora var. sparsiflora    Erect dwarf cudweed,  Few flowered evax
native
Annual herb

ASTERACEAE

Hesperevax sparsiflora var. sparsiflora
© 2020 Stacie Wolny
Hesperevax sparsiflora var. sparsiflora
© 2020 R.A. Chasey
Hesperevax sparsiflora var. sparsiflora
© 2022 R.A. Chasey

Hypochaeris glabra    Smooth cat's ear
invasive non-native
Annual herb

ASTERACEAE

Hypochaeris glabra
© 2020 Ron Vanderhoff
Hypochaeris glabra
© 2017 Gary McDonald
Hypochaeris glabra
© 2019 Ron Vanderhoff

Lepechinia calycina    White pitcher sage,  Woodbalm, pitcher sage
native
Shrub

LAMIACEAE

Lepechinia calycina
© 2020 Janice Kuch
Lepechinia calycina
© 2024 Ben Spencer-Cooke
Lepechinia calycina
© 2023 Mike Russler

Leptosiphon ambiguus    Serpentine leptosiphon
rare native
Annual herb

POLEMONIACEAE

Leptosiphon ambiguus
© 2024 Steve Matson
Leptosiphon ambiguus
© 2024 Steve Matson
Leptosiphon ambiguus
© 2024 Steve Matson

Leptosiphon androsaceus    False babystars
native
Annual herb

POLEMONIACEAE

Leptosiphon androsaceus
© 2010 Jeffrey Hapeman
Leptosiphon androsaceus
© 2020 R.A. Chasey
Leptosiphon androsaceus
© 2014 James Gonsman

Leptosiphon liniflorus    Narrowflower flaxflower
native
Annual herb

POLEMONIACEAE

Leptosiphon liniflorus
© 2017 Aaron Echols
Leptosiphon liniflorus
© 2022 Ron Vanderhoff
Leptosiphon liniflorus
© 2023 Diana Wahl

Leptosiphon parviflorus    Variable linanthus
native
Annual herb

POLEMONIACEAE

Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse
Leptosiphon parviflorus
© 2008 Keir Morse

Leucojum aestivum    Summer snowflake
non-native
Perennial herb

AMARYLLIDACEAE

Leucojum aestivum
© 2018 Alice Cummings
Leucojum aestivum
© 2020 R.A. Chasey
Leucojum aestivum
© 2012 Ramona Robison

Logfia filaginoides    California cottonrose
native
Annual herb

ASTERACEAE

Logfia filaginoides
© 2019 Steve Matson
Logfia filaginoides
© 2019 Steve Matson
Logfia filaginoides
© 2019 Steve Matson

Lomatium dasycarpum ssp. dasycarpum    Woolly fruited lomatium,  Woollyfruit desertparsley
native
Perennial herb

APIACEAE

Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson
Lomatium dasycarpum ssp. dasycarpum
© 2016 Steve Matson

Lupinus bicolor    Annual lupine,  Bicolored lupine,  Miniature lupine
native
Annual, Perennial herb

FABACEAE

Lupinus bicolor
© 2024 Mary Ann Machi
Lupinus bicolor
© 2022 Mike Russler
Lupinus bicolor
© 2024 Mary Ann Machi

Luzula comosa var. comosa    Hairy wood rush
native
Perennial grasslike herb

JUNCACEAE

Luzula comosa var. comosa
© 2018 Scot Loring
Luzula comosa var. comosa
© 2018 Scot Loring
Luzula comosa var. comosa
© 2018 Scot Loring

Medicago arabica    Spotted burclover,  Spotted medick
non-native
Annual herb

FABACEAE

Medicago arabica
© 2023 R.A. Chasey
Medicago arabica
© 2023 R.A. Chasey
Medicago arabica
© null

Melica torreyana    Torrey melic,  Torrey's melica,  Torrey's melicgrass
native
Perennial grass

POACEAE

Melica torreyana
© 2021 Toni Corelli
Melica torreyana
© 2019 John Rawlings
Melica torreyana
© 2017 MCOSD Restoration Crew

Minuartia douglasii    Douglas' Stitchwort
native
Annual herb

CARYOPHYLLACEAE

Minuartia douglasii
© 2022 Steve Matson
Minuartia douglasii
© 2019 Stacie Wolny
Minuartia douglasii
© 2021 R.A. Chasey

Muilla maritima    Common muilla,  Sea muilla
native
Perennial herb

THEMIDACEAE

Muilla maritima
© 2017 Steve Matson
Muilla maritima
© 2017 Steve Matson
Muilla maritima
© 2017 Steve Matson

Oxalis incarnata    Crimson woodsorrel
non-native
Perennial herb

OXALIDACEAE

Oxalis incarnata
© 2022 Friends of Five Creeks volunteers
Oxalis incarnata
© 2018 MCOSD EDRR
Oxalis incarnata
© 2012 Yves Antoinette

Pectocarya pusilla    Little gruvelia
native
Annual herb

BORAGINACEAE

Pectocarya pusilla
© 2022 Steve Matson
Pectocarya pusilla
© 2022 Steve Matson
Pectocarya pusilla
© 2022 Steve Matson

Phacelia distans    Common phacelia,  Distant phacelia,  Wild heliotrope
native
Annual herb

HYDROPHYLLACEAE

Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2014 Steve Matson
Phacelia distans
© 2022 Ron Vanderhoff

Prosartes hookeri    Drops of gold
native
Perennial herb

LILIACEAE

Prosartes hookeri
© 2021 Norma Solarz
Prosartes hookeri
© 2021 Cara Wilcox
Prosartes hookeri
© 2019 Stacie Wolny

Salvia columbariae    Chia sage
native
Annual herb

LAMIACEAE

Salvia columbariae
© 2020 Ron Vanderhoff
Salvia columbariae
© 2022 Mike Russler
Salvia columbariae
© 2022 Mike Russler

Scribneria bolanderi    Scribner's grass,  Scribneria
native
Annual grass

POACEAE

Scribneria bolanderi
© 2022 John Rawlings
Scribneria bolanderi
© 2020 Ken Hickman
Scribneria bolanderi
© 2023 R.A. Chasey

Tauschia hartwegii    Hartweg's tauschia,  Hartweg's umbrellawort,  Tauschia
native
Perennial herb

APIACEAE

Tauschia hartwegii
© 2006 Steve Matson
Tauschia hartwegii
© 2006 Steve Matson
Tauschia hartwegii
© 2006 Steve Matson

Toxicodendron diversilobum    Poison oak,  Poisonoak,  Western Poison Oak
native
Vine, Shrub

ANACARDIACEAE

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

Trifolium albopurpureum    Indian clover,  Rancheria clover
native
Annual herb

FABACEAE

Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson
Trifolium albopurpureum
© 2024 Steve Matson

Vicia benghalensis    Purple vetch,  Reddish tufted vetch,  Vetch
non-native
Annual herb, Vine

FABACEAE

Vicia benghalensis
© 2010 Toni Corelli
Vicia benghalensis
© 2019 Diane Etchison
Vicia benghalensis
© 2024 R.A. Chasey

Zantedeschia aethiopica    Calla lily,  Callalily,  Common calla
invasive non-native
Perennial herb

ARACEAE

Zantedeschia aethiopica
© 2020 Jennifer Mo
Zantedeschia aethiopica
© 2020 Ron Vanderhoff
Zantedeschia aethiopica
© 2021 MCOSD EDRR

native
Perennial herb

FABACEAE

Acmispon glaber var. glaber
© 2020 Ron Vanderhoff
Acmispon glaber var. glaber
© 2020 Ron Vanderhoff
Acmispon glaber var. glaber
© 2020 Ron Vanderhoff

Clematis lasiantha    Chaparral clematis,  Pipestem
native
Perennial herb, Vine

RANUNCULACEAE

Clematis lasiantha
© 2008 Steve Matson
Clematis lasiantha
© 2018 Steve Matson
Clematis lasiantha
© 2018 Steve Matson

Monolopia gracilens    Woodland monolopia
rare native
Annual herb

ASTERACEAE

Monolopia gracilens
© 2015 Al Keuter
Monolopia gracilens
© 2023 R.A. Chasey
Monolopia gracilens
© 2019 Ken Hickman

Poterium sanguisorba    Garden burnet
non-native
Perennial herb

ROSACEAE

Poterium sanguisorba
© 2019 Jennifer Mo
Poterium sanguisorba
© 2021 David Wolfson
Poterium sanguisorba
© 2017 Keir Morse

Scutellaria tuberosa    Danny's skullcap,  Scullcap
native
Perennial herb

LAMIACEAE

Scutellaria tuberosa
© 2006 Steve Matson
Scutellaria tuberosa
© 2006 Steve Matson
Scutellaria tuberosa
© 2006 Steve Matson

Sherardia arvensis    Blue fieldmadder,  Field madder
non-native
Annual herb

RUBIACEAE

Sherardia arvensis
© 2005 Steve Matson
Sherardia arvensis
© 2008 Steve Matson
Sherardia arvensis
© 2008 Steve Matson

Trifolium variegatum    Variegated clover,  White tipped clover,  Whitetip clover
native
Annual herb

FABACEAE

Trifolium variegatum
© 2022 Steve Matson
Trifolium variegatum
© 2017 Michael Mitchell
Trifolium variegatum
© 2019 Diane Etchison

Wyethia angustifolia    California compassplant,  Narrow leaf mule ears,  Narrow leaved mule ears
native
Perennial herb

ASTERACEAE

Wyethia angustifolia
© 2024 Alaine Arslan
Wyethia angustifolia
© 2021 R.A. Chasey
Wyethia angustifolia
© 2009 BOB CASE

Brodiaea elegans ssp. elegans    Harvest brodiaea
native
Perennial herb

THEMIDACEAE

Brodiaea elegans ssp. elegans
© 2016 Steve Matson
Brodiaea elegans ssp. elegans
© 2016 Steve Matson
Brodiaea elegans ssp. elegans
© 2024 R.A. Chasey

Linum bienne    Narrow leaved flax,  Pale flax,  Small flowered flax
non-native
Annual herb

LINACEAE

Linum bienne
© 2019 Ken Lunders
Linum bienne
© 2021 Cameron Chabre
Linum bienne
© 2018 Cynthia Powell

Mimulus aurantiacus var. aurantiacus    Orange Bush Monkeyflower
native
Shrub

PHRYMACEAE

Mimulus aurantiacus var. aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus var. aurantiacus
© 2024 Steve Conger
Mimulus aurantiacus var. aurantiacus
© 2019 Gary McDonald

Orobanche fasciculata    Clustered broomrape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche fasciculata
© 2016 Jim Xerogeanes
Orobanche fasciculata
© 2016 Jim Xerogeanes
Orobanche fasciculata
© 2023 Mary Ann Machi

Osmorhiza berteroi    Sweet cicely
native
Perennial herb

APIACEAE

Osmorhiza berteroi
© 2006 Steve Matson
Osmorhiza berteroi
© 2006 Steve Matson
Osmorhiza berteroi
© 2006 Steve Matson

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
© 2021 Ken Lunders

Pseudognaphalium luteoalbum    Jersey cudweed
non-native
Annual herb

ASTERACEAE

Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff
Pseudognaphalium luteoalbum
© 2019 Diane Etchison
Pseudognaphalium luteoalbum
© 2021 Ron Vanderhoff

Anagallis arvensis    Scarlet pimpernel
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis
© 2017 B.J. Dion
Anagallis arvensis
© 2022 Chris McDonald
Anagallis arvensis
© 2023 Ron Vanderhoff

Galium californicum ssp. californicum    California bedstraw
native
Perennial herb

RUBIACEAE

Galium californicum ssp. californicum
© 2018 Ken Hickman
Galium californicum ssp. californicum
© 2017 Ken Hickman
Galium californicum ssp. californicum
© 2015 James Gonsman

Geranium dissectum    Cranesbill,  Cut leaved geranium,  Cutleaf geranium
invasive non-native
Annual herb

GERANIACEAE

Geranium dissectum
© 2021 Al Keuter
Geranium dissectum
© 2023 Ron Vanderhoff
Geranium dissectum
© 2014 Bryan Derr

Deinandra corymbosa    Coastal tarweed
native
Annual herb

ASTERACEAE

Deinandra corymbosa
© 2016 Michael Mitchell
Deinandra corymbosa
© 2018 Zachariah Jordan
Deinandra corymbosa
© 2015 Tim Miller

Rumex acetosella    Common sheep sorrel
invasive non-native
Perennial herb

POLYGONACEAE

Rumex acetosella
© 2017 Gary McDonald
Rumex acetosella
© 2008 Steve Matson
Rumex acetosella
© 2019 Patrick Furtado

Heterotheca sessiliflora ssp. echioides    Bristly goldenaster,  Sessileflower false goldenaster
native
Perennial herb

ASTERACEAE

Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2021 Mike Russler
Heterotheca sessiliflora ssp. echioides
© 2018 Ron Vanderhoff

Achyrachaena mollis    Blow-Wives
native
Annual herb

ASTERACEAE

Achyrachaena mollis
© 2015 Diane Etchison
Achyrachaena mollis
© 2022 Mike Russler
Achyrachaena mollis
© 2022 Mike Russler

Arbutus menziesii    Madrono,  Pacific madrone
native
Tree

ERICACEAE

Arbutus menziesii
© 2021 Cynthia Powell
Arbutus menziesii
© 2021 R.A. Chasey
Arbutus menziesii
© 2021 Hunter Breck

Avena fatua    Wild oat,  Wildoat
invasive non-native
Annual grass

POACEAE

Avena fatua
© 2018 Gary McDonald
Avena fatua
© 2023 Ron Vanderhoff
Avena fatua
© 2023 Matt Berger

Bromus hordeaceus    Soft brome,  Soft chess
invasive non-native
Annual grass

POACEAE

Bromus hordeaceus
© 2023 Ron Vanderhoff
Bromus hordeaceus
© 2018 Gary McDonald
Bromus hordeaceus
© 2018 Gary McDonald

Calochortus albus    White fairy lantern,  White globe lily
native
Perennial herb

LILIACEAE

Calochortus albus
© 2019 David Greenberger
Calochortus albus
© 2019 Cynthia Powell
Calochortus albus
© 2016 Steve Matson

Claytonia perfoliata ssp. perfoliata    Claytonia,  Miner's lettuce
native
Annual herb

MONTIACEAE

Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson
Claytonia perfoliata ssp. perfoliata
© 2008 Steve Matson

Crataegus monogyna    Hawthorn
invasive non-native
Shrub

ROSACEAE

Crataegus monogyna
© 2022 Emily R. Allen
Crataegus monogyna
© 2021 Isaac Kreger
Crataegus monogyna
© 2021 Sherry Adams

Dactylis glomerata    Orchard grass,  Orchardgrass
invasive non-native
Perennial grass

POACEAE

Dactylis glomerata
© 2018 Jennifer Mo
Dactylis glomerata
© 2020 Jim Richards
Dactylis glomerata
© 2017 Gary McDonald

Deschampsia danthonioides    Annual hairgrass
native
Annual grass

POACEAE

Deschampsia danthonioides
© 2003 Steve Matson
Deschampsia danthonioides
© 2003 Steve Matson
Deschampsia danthonioides
© 2018 Emily Allen

Frangula californica ssp. californica    California coffeeberry
native
Shrub

RHAMNACEAE

Frangula californica ssp. californica
© 2015 Steve Matson
Frangula californica ssp. californica
© 2015 Steve Matson
Frangula californica ssp. californica
© 2019 Ron Vanderhoff

Galium aparine    Cleavers,  Common bedstraw,  Goose grass
native
Annual herb

RUBIACEAE

Galium aparine
© 2020 Ron Vanderhoff
Galium aparine
© 2005 Steve Matson
Galium aparine
© 2020 Ron Vanderhoff

Galium murale    Tiny bedstraw,  Yellow wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium murale
© 2022 R.A. Chasey
Galium murale
© 2021 Cameron Chabre
Galium murale
© 2014 Bryan Derr

Iris germanica    German iris
non-native
Perennial herb

IRIDACEAE

Iris germanica
© 2017 MCOSD EDRR
Iris germanica
© 2020 Robert Steers
Iris germanica
© 2021 Ron Vanderhoff

Juglans hindsii    Northern california black walnut
rare native
Tree

JUGLANDACEAE

Juglans hindsii
© 2018 Ron Vanderhoff
Juglans hindsii
© 2016 Steve Matson
Juglans hindsii
© 2018 Ron Vanderhoff

Juglans regia    English walnut
non-native
Tree

JUGLANDACEAE

Juglans regia
© 2018 Ron Vanderhoff
Juglans regia
© 2019 Janice Kuch
Juglans regia
© 2014 Richard Chasey

Micropus californicus var. californicus    Q tips,  Slender cottonweed
native
Annual herb

ASTERACEAE

Micropus californicus var. californicus
© 2006 Steve Matson
Micropus californicus var. californicus
© 2021 Ron Vanderhoff
Micropus californicus var. californicus
© 2016 Steve Matson

Packera breweri    Brewer's ragwort
native
Perennial herb

ASTERACEAE

Packera breweri
© 2017 Patricia Ashe
Packera breweri
© 2019 John Rawlings
Packera breweri
© 2019 Angelique Herman

Poa annua    Annual blue grass,  Annual bluegrass
non-native
Annual grass

POACEAE

Poa annua
© 2021 Ron Vanderhoff
Poa annua
© 2022 John Rawlings
Poa annua
© 2015 Richard Chasey

Poa pratensis ssp. pratensis    Kentucky blue grass,  Kentucky bluegrass
invasive non-native
Perennial grass

POACEAE

Poa pratensis ssp. pratensis
© 2021 John Rawlings
Poa pratensis ssp. pratensis
© 2020 Diana Wahl
Poa pratensis ssp. pratensis
© 1998 Dean Wm. Taylor (Poa pratensis ssp. agassizensis)

Pseudotsuga menziesii var. menziesii    Douglas fir,  Douglas spruce,  False hemlock
native
Tree

PINACEAE

Pseudotsuga menziesii var. menziesii
© 2020 David Krause
Pseudotsuga menziesii var. menziesii
© 2022 David popp
Pseudotsuga menziesii var. menziesii
© 2024 David popp

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

Scandix pecten-veneris    Shepherd's needle,  Shepherdsneedle,  Venus' needle
non-native
Annual herb, Vine

APIACEAE

Scandix pecten-veneris
© 2006 Steve Matson
Scandix pecten-veneris
© 2018 Stacie Wolny
Scandix pecten-veneris
© 2006 Steve Matson

Thalictrum fendleri var. polycarpum    Fendler's meadow rue,  Meadow rue,  Torrey's meadow rue
native
Perennial herb

RANUNCULACEAE

Thalictrum fendleri var. polycarpum
© 2017 Thomas Reyes
Thalictrum fendleri var. polycarpum
© 2019 Patrick Furtado
Thalictrum fendleri var. polycarpum
© 2020 Diane Etchison

Tragopogon porrifolius    Purple salsify
non-native
Perennial herb

ASTERACEAE

Tragopogon porrifolius
© 2019 Julie dinsdale
Tragopogon porrifolius
© 2015 David Wolfson
Tragopogon porrifolius
© 2020 Martin Cooper

Trifolium angustifolium    Narrow leaved clover,  Narrowleaf crimson clover
non-native
Annual herb

FABACEAE

Trifolium angustifolium
© 2019 Gary McDonald
Trifolium angustifolium
© 2021 Mary Gerbic
Trifolium angustifolium
© 2022 SMCP NRM Intern

Trifolium ciliolatum    Foothill clover,  Tree clover
native
Annual herb

FABACEAE

Trifolium ciliolatum
© 2020 Diane Etchison
Trifolium ciliolatum
© 2015 Diane Etchison
Trifolium ciliolatum
© 2019 Ron Vanderhoff

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2024 Steve Conger
Trifolium willdenovii
© 2018 Stacie Wolny

Acanthomintha duttonii    San mateo thorn mint
rare native
Annual herb

LAMIACEAE

Acanthomintha duttonii
© 2011 Aaron Schusteff
Acanthomintha duttonii
© 2023 Morgan Stickrod
Acanthomintha duttonii
© 2009 Neal Kramer

native
Perennial herb (bulb)

ALLIACEAE

Allium lacunosum var. lacunosum
© 2016 Steve Matson
Allium lacunosum var. lacunosum
© 2016 Steve Matson
Allium lacunosum var. lacunosum
© 2016 Steve Matson

Arnica discoidea    Rayless arnica
native
Perennial herb

ASTERACEAE

Arnica discoidea
© 2020 Ken Hickman
Arnica discoidea
© 2019 David Magney
Arnica discoidea
© 2020 Eliezer Margolis

Bellardia trixago    Mediterranean lineseed
invasive non-native
Annual herb

OROBANCHACEAE

Bellardia trixago
© 2016 Michael Mitchell
Bellardia trixago
© 2016 Michael Mitchell
Bellardia trixago
© 2015 jamie smith

Bromus diandrus    Bromegrass,  Ripgut brome,  Ripgut grass
invasive non-native
Annual grass

POACEAE

Bromus diandrus
© 2022 Ron Vanderhoff
Bromus diandrus
© 2021 Richard Spjut
Bromus diandrus
© 2022 Ron Vanderhoff

Calystegia subacaulis ssp. subacaulis    Cambria morning glory,  Hill morning glory,  Hillside false bindweed
native
Perennial herb

CONVOLVULACEAE

Calystegia subacaulis ssp. subacaulis
© 2020 Ken Hickman
Calystegia subacaulis ssp. subacaulis
© 2021 R.A. Chasey
Calystegia subacaulis ssp. subacaulis
© 2022 R.A. Chasey

native
Annual herb

OROBANCHACEAE

Castilleja rubicundula ssp. lithospermoides
© 2016 Steve Matson
Castilleja rubicundula ssp. lithospermoides
© 2016 Steve Matson
Castilleja rubicundula ssp. lithospermoides
© 2016 Steve Matson

Cistus incanus    Hairy rockrose
non-native
Shrub

CISTACEAE

Cistus incanus
© 2020 Karen Swift
Cistus incanus
© 2023 Ron Vanderhoff
Cistus incanus
© 2018 Julian Geoghegan

Collomia heterophylla    Variableleaf collomia,  Varied leaved collomia
native
Annual herb

POLEMONIACEAE

Collomia heterophylla
© 2023 Steve Conger
Collomia heterophylla
© 2017 Steve Matson
Collomia heterophylla
© 2024 Steve Conger

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus
© 2019 Diane Etchison
Daucus pusillus
© 2022 David Wolfson
Daucus pusillus
© 2021 Ken Lunders

native
Perennial herb

RANUNCULACEAE

Delphinium californicum ssp. californicum
© 2010 Toni Corelli
Delphinium californicum ssp. californicum
© 2022 R.A. Chasey
Delphinium californicum ssp. californicum
© 2022 R.A. Chasey

Epilobium minutum    Chaparral willowherb,  Desert willow herb,  Little willowherb
native
Annual herb

ONAGRACEAE

Epilobium minutum
© 2017 Michael Mitchell
Epilobium minutum
© 2021 R.A. Chasey
Epilobium minutum
© 2019 Ken Lunders

Eriastrum abramsii    Abrams' eriastrum,  Abrams' woollystar
native
Annual herb

POLEMONIACEAE

Eriastrum abramsii
© 2019 Diane Renshaw
Eriastrum abramsii
© 2023 R.A. Chasey
Eriastrum abramsii
© 2019 Stacie Wolny

Festuca bromoides    Brome fescue
non-native
Annual grass

POACEAE

Festuca bromoides
© 2022 Diana Wahl
Festuca bromoides
© 2021 Toni Corelli
Festuca bromoides
© 2021 David popp

Festuca microstachys    Small fescue
native
Annual grass

POACEAE

Festuca microstachys
© 2011 Steve Matson
Festuca microstachys
© 2024 Emily R. Allen
Festuca microstachys
© 2011 Steve Matson

Lithophragma heterophyllum    Hill star,  Hillside woodland star
native
Perennial herb

SAXIFRAGACEAE

Lithophragma heterophyllum
© 2019 David Greenberger
Lithophragma heterophyllum
© 2024 Suzanne L. Weakley
Lithophragma heterophyllum
© 2019 Mary Conway

Logfia gallica    Narrowleaf cottonrose
non-native
Annual herb

ASTERACEAE

Logfia gallica
© 2017 Barbara Boethling
Logfia gallica
© 2023 Ron Vanderhoff
Logfia gallica
© 2023 Ron Vanderhoff

Madia exigua    Little tarweed,  Meager tarweed,  Small tarweed
native
Annual herb

ASTERACEAE

Madia exigua
© 2023 Dianne Lake
Madia exigua
© 2023 Ron Vanderhoff
Madia exigua
© 2021 Helen Hancock

Mimulus guttatus    Seep monkey flower,  Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)

PHRYMACEAE

Mimulus guttatus
© 2019 Stacie Wolny
Mimulus guttatus
© 2015 James Gonsman
Mimulus guttatus
© 2019 Stacie Wolny

Nemophila heterophylla    Canyon nemophila,  Small baby blue eyes,  Variable leaved nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila heterophylla
© 2006 Steve Matson
Nemophila heterophylla
© 2005 Steve Matson
Nemophila heterophylla
© 2005 Steve Matson

Olea europaea    Olive
invasive non-native
Tree, Shrub

OLEACEAE

Olea europaea
© 2022 Donald Burk
Olea europaea
© 2021 Thomas Reyes
Olea europaea
© 2022 Ron Vanderhoff

Phacelia divaricata    Divaricate phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia divaricata
© 2022 Mike Russler
Phacelia divaricata
© 2019 Ken Hickman
Phacelia divaricata
© 2022 R.A. Chasey

Phalaris californica    California canarygrass,  Canarygrass
native
Perennial grass

POACEAE

Phalaris californica
© 2021 Dan Quinn
Phalaris californica
© 2017 Toni Corelli
Phalaris californica
© 2018 Brian Charles

Spartium junceum    Gorse,  Spanish broom
invasive non-native
Shrub

FABACEAE

Spartium junceum
© 2020 Ron Vanderhoff
Spartium junceum
© 2006 Jennifer Naegele
Spartium junceum
© 2021 Mary Herr

Stebbinsoseris heterocarpa    Grassland stebbinsoseris
native
Annual herb

ASTERACEAE

Stebbinsoseris heterocarpa
© 2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
© 2019 Ron Vanderhoff
Stebbinsoseris heterocarpa
© 2017 Diane Etchison

Torilis nodosa    Hedge parsley,  Knotted hedge parsley,  Knotted hedgeparsley
non-native
Annual herb

APIACEAE

Torilis nodosa
© 2011 Steve Matson
Torilis nodosa
© 2011 Steve Matson
Torilis nodosa
© 2011 Steve Matson

Trifolium bifidum var. bifidum    Pinole clover
native
Annual herb

FABACEAE

Trifolium bifidum var. bifidum
© 2020 Matt Berger
Trifolium bifidum var. bifidum
© 2020 Matt Berger
Trifolium bifidum var. bifidum
© 2020 Matt Berger

Trifolium bifidum var. decipiens    Notch leaf clover
native
Annual herb

FABACEAE

Trifolium bifidum var. decipiens
© 2022 R.A. Chasey
Trifolium bifidum var. decipiens
© 2022 R.A. Chasey
Trifolium bifidum var. decipiens
© 2021 Cameron Chabre

Trifolium campestre    Field clover,  Low hop clover
non-native
Annual herb

FABACEAE

Trifolium campestre
© 2019 David Wolfson
Trifolium campestre
© 2021 R.A. Chasey
Trifolium campestre
© 2021 R.A. Chasey

Trifolium dubium    Shamrock clover,  Little Hop Clover,  Suckling clover
non-native
Annual herb

FABACEAE

Trifolium dubium
© 2018 Stacie Wolny
Trifolium dubium
© 2022 Dana York
Trifolium dubium
© 2017 MCOSD EDRR

Trifolium fucatum    Bull clover,  Sour clover
native
Annual herb

FABACEAE

Trifolium fucatum
© 2014 Steve Matson
Trifolium fucatum
© 2014 Steve Matson
Trifolium fucatum
© 2020 Paul Aigner

Trifolium gracilentum    Graceful clover,  Pin point clover,  Pinpoint clover
native
Annual herb

FABACEAE

Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson
Trifolium gracilentum
© 2016 Steve Matson

Trifolium microcephalum    Hairy clover,  Small headed clover
native
Annual herb

FABACEAE

Trifolium microcephalum
© 2005 Steve Matson
Trifolium microcephalum
© 2016 Michael Mitchell
Trifolium microcephalum
© 2019 Ron Vanderhoff

Trifolium microdon    Thimble clover,  Valparaiso clover
native
Annual herb

FABACEAE

Trifolium microdon
© 2022 Dee Shea Himes
Trifolium microdon
© 2022 Dee Shea Himes
Trifolium microdon
© 2023 R.A. Chasey

Triodanis biflora    Venus looking glass,  Venus' looking glass
native
Annual herb

CAMPANULACEAE

Triodanis biflora
© 2020 Ken Hickman
Triodanis biflora
© 2015 Hayley Ross
Triodanis biflora
© 2018 Ken Hickman

Triteleia hyacinthina    White brodiaea,  Wild hyacinth,  White Brodiaea, Fool's Onion
native
Perennial herb

THEMIDACEAE

Triteleia hyacinthina
© 2008 Steve Matson
Triteleia hyacinthina
© 2008 Steve Matson
Triteleia hyacinthina
© 2008 Steve Matson

Yabea microcarpa    California hedge parsley,  False carrot
native
Annual herb

APIACEAE

Yabea microcarpa
© 2021 Helen Hancock
Yabea microcarpa
© 2022 R.A. Chasey
Yabea microcarpa
© 2012 Toni Corelli

Acmispon americanus var. americanus    American bird's foot trefoil,  American trefoil,  Spanish lotus
native
Annual herb

FABACEAE

Acmispon americanus var. americanus
© 2015 Steve Matson
Acmispon americanus var. americanus
© 2015 Steve Matson
Acmispon americanus var. americanus
© 2015 Steve Matson

Agoseris heterophylla    Annual agoseris,  Annual mountain dandelion
native
Annual herb

ASTERACEAE

Agoseris heterophylla
© 2020 Bob Sweatt
Agoseris heterophylla
© 2021 Lisa Berry
Agoseris heterophylla
© 2020 Bob Sweatt

Allium falcifolium    Scytheleaf onion,  Sickle leaf onion
native
Perennial herb (bulb)

ALLIACEAE

Allium falcifolium
© 2011 Steve Matson
Allium falcifolium
© 2022 Steve Matson
Allium falcifolium
© 2011 Steve Matson

Brachypodium distachyon    False brome,  Purple false brome
invasive non-native
Annual, Perennial grass

POACEAE

Brachypodium distachyon
© 2019 Ron Vanderhoff
Brachypodium distachyon
© 2021 John Rawlings
Brachypodium distachyon
© 2019 Ron Vanderhoff

Briza minor    Little quaking grass,  Little quakinggrass,  Little rattlesnake grass
non-native
Annual grass

POACEAE

Briza minor
© 2023 R.A. Chasey
Briza minor
© 2019 Gary McDonald
Briza minor
© 2019 Gary McDonald

native
Perennial herb

THEMIDACEAE

Brodiaea terrestris ssp. terrestris
© 2017 James Gonsman
Brodiaea terrestris ssp. terrestris
© 2022 Cynthia Powell
Brodiaea terrestris ssp. terrestris
© 2022 Cynthia Powell

Cirsium brevistylum    Clustered thistle,  Indian thistle
native
Perennial herb

ASTERACEAE

Cirsium brevistylum
© 2019 Steve Davison
Cirsium brevistylum
© 2018 Brian Charles
Cirsium brevistylum
© 2019 Aleksandra Evert

Clarkia purpurea ssp. quadrivulnera    Four-spot,  Purple clarkia,  Purple godetia
native
Annual herb

ONAGRACEAE

Clarkia purpurea ssp. quadrivulnera
© 2014 Steve Matson
Clarkia purpurea ssp. quadrivulnera
© 2019 Joe Engelbrecht
Clarkia purpurea ssp. quadrivulnera
© 2021 R.A. Chasey

Elymus caput-medusae    Medusa head
invasive non-native
Annual grass

POACEAE

Elymus caput-medusae
© 2023 Ron Vanderhoff
Elymus caput-medusae
© 2019 Jennifer Mo
Elymus caput-medusae
© 2011 Steve Matson

Gamochaeta ustulata    Featherweed
native
Perennial herb

ASTERACEAE

Gamochaeta ustulata
© 2019 Gary McDonald
Gamochaeta ustulata
© 2021 Zoya Akulova-Barlow
Gamochaeta ustulata
© 2019 Gary McDonald

Hesperolinon congestum    Marin dwarf flax,  Marin western flax
rare native
Annual herb

LINACEAE

Hesperolinon congestum
© 2021 Charles Russell
Hesperolinon congestum
© 2019 David Greenberger
Hesperolinon congestum
© 2016 David Greenberger

Hordeum murinum ssp. leporinum    Farmer's foxtail,  Foxtail barley,  Hare barley
non-native
Annual grass

POACEAE

Hordeum murinum ssp. leporinum
© 2022 Ron Vanderhoff
Hordeum murinum ssp. leporinum
© 2021 Al Keuter
Hordeum murinum ssp. leporinum
© 2021 Ron Vanderhoff

Layia hieracioides    Hawkweed layia,  Tall layia,  Tall tidytips
native
Annual herb

ASTERACEAE

Layia hieracioides
© 2020 David Greenberger
Layia hieracioides
© 2021 R.A. Chasey
Layia hieracioides
© 2022 R.A. Chasey

Linum grandiflorum    Flowering flax,  Garden flax
non-native
Annual herb

LINACEAE

Linum grandiflorum
© 2009 Chris Hendrickson
Linum grandiflorum
© 2020 Bill Haley
Linum grandiflorum
© 2020 Bill Haley

Lonicera hispidula    Pink honeysuckle
native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera hispidula
© 2022 Suzanne L. Weakley
Lonicera hispidula
© 2021 Cara Wilcox
Lonicera hispidula
© 2018 Diana Wahl

Lupinus albifrons var. albifrons    Silver bush lupine,  Silver lupine
native
Shrub

FABACEAE

Lupinus albifrons var. albifrons
© 2012 Michael Mitchell
Lupinus albifrons var. albifrons
© 2020 Richard Spjut
Lupinus albifrons var. albifrons
© 2020 Susan McDougall

Madia gracilis    Grassy tarweed,  Gumweed madia,  Slender tarweed
native
Annual herb

ASTERACEAE

Madia gracilis
© 2022 Mike Russler
Madia gracilis
© 2021 Amber Bedgood
Madia gracilis
© 2019 Ron Vanderhoff

Malacothamnus arcuatus var. arcuatus    Western bewildering bushmallow
rare native
Shrub

MALVACEAE

Malacothamnus arcuatus var. arcuatus
© 2006 Toni Corelli
Malacothamnus arcuatus var. arcuatus
© 2019 Ken Hickman
Malacothamnus arcuatus var. arcuatus
© 2006 Toni Corelli

Phacelia nemoralis ssp. nemoralis    Woods phacelia
native
Perennial herb

HYDROPHYLLACEAE

Phacelia nemoralis ssp. nemoralis
© 2020 Ken Hickman
Phacelia nemoralis ssp. nemoralis
© 2016 Glen Schneider
Phacelia nemoralis ssp. nemoralis
© 2021 Dianne Lake

Phalaris canariensis    Annual canarygrass
non-native
Annual grass

POACEAE

Phalaris canariensis
© 2008 Louis-M. Landry
Phalaris canariensis
© 2007 Luigi Rignanese
Phalaris canariensis
© 2007 Luigi Rignanese

Phalaris minor    Little seed canarygrass,  Littleseed canarygrass,  Mediterranean canarygrass
non-native
Annual grass

POACEAE

Phalaris minor
© 2014 Steve Matson
Phalaris minor
© 2014 Steve Matson
Phalaris minor
© 2014 Steve Matson

Plantago coronopus    Buckhorn plantain,  Cut leaf plantain
invasive non-native
Annual herb

PLANTAGINACEAE

Plantago coronopus
© 2022 R.A. Chasey
Plantago coronopus
© 2021 Zoya Akulova-Barlow
Plantago coronopus
© 2017 MCOSD Restoration Crew

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica
© 2023 Robert Steers
Rafinesquia californica
© 2021 Ron Vanderhoff
Rafinesquia californica
© 2017 Steve Matson

Rigiopappus leptocladus    Rigiopappus,  Wire weed,  Wireweed
native
Annual herb

ASTERACEAE

Rigiopappus leptocladus
© 2021 Steve Laymon
Rigiopappus leptocladus
© 2021 Steve Laymon
Rigiopappus leptocladus
© 2022 John Rawlings

Rosa spithamea    Ground rose,  Sonoma rose
native
Shrub

ROSACEAE

Rosa spithamea
© 2021 David Gowen
Rosa spithamea
© 1973 Geoff Burleigh
Rosa spithamea
© 2020 David Krause

Senecio aronicoides    California butterweed,  California groundsel,  California rayless butterweed
native
Perennial herb

ASTERACEAE

Senecio aronicoides
© 2020 Helen Hancock
Senecio aronicoides
© 2008 Steve Matson
Senecio aronicoides
© 2020 Julie A. Kierstead

Silene laciniata ssp. californica    California indian pink
native
Perennial herb

CARYOPHYLLACEAE

Silene laciniata ssp. californica
© 2021 Timothy Boomer | WildMacro.com
Silene laciniata ssp. californica
© 2020 Kim Cabrera
Silene laciniata ssp. californica
© 2019 Zachary Snider

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

ASTERACEAE

Silybum marianum
© 2020 Nancy Hamlett
Silybum marianum
© 2019 Marisa Persaud
Silybum marianum
© 2018 Angelique Herman

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale
© 2021 Ann Garside
Sisymbrium officinale
© 2022 Julian Geoghegan
Sisymbrium officinale
© 2021 Ron Vanderhoff

Symphoricarpos mollis    Creeping snowberry,  Trailing snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos mollis
© 2019 Ron Vanderhoff
Symphoricarpos mollis
© 2020 Cara Wilcox
Symphoricarpos mollis
© 2019 Ron Vanderhoff

Trientalis latifolia    Pacific starflower
native
Perennial herb

MYRSINACEAE

Trientalis latifolia
© 2008 Steve Matson
Trientalis latifolia
© 2016 Steve Matson
Trientalis latifolia
© 2024 Ben Spencer-Cooke

Triteleia laxa    Ithuriel's spear
native
Perennial herb

THEMIDACEAE

Triteleia laxa
© 2018 Gary McDonald
Triteleia laxa
© 2018 Tim Lewis
Triteleia laxa
© 2019 Matt Berger

Urospermum picroides    Bristly tail seed,  Prickly goldenfleece
non-native
Annual, Perennial herb

ASTERACEAE

Urospermum picroides
© 2019 David Greenberger
Urospermum picroides
© 2014 Toni Corelli
Urospermum picroides
© 2019 Toni Corelli

Zeltnera muehlenbergii    Muehlenberg's centaury
native
Annual herb

GENTIANACEAE

Zeltnera muehlenbergii
© 2019 Patrick Furtado
Zeltnera muehlenbergii
© 2015 James Gonsman
Zeltnera muehlenbergii
© 2011 Michael Perlmutter

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium
© 2022 Andy Ford
Achillea millefolium
© 2020 Bob Sweatt
Achillea millefolium
© 2018 Gary McDonald

Bellis perennis    English daisy,  English lawn daisy
invasive non-native
Perennial herb

ASTERACEAE

Bellis perennis
© 2019 Ron Vanderhoff
Bellis perennis
© 2023 Donald Burk
Bellis perennis
© 2020 Bob Sweatt

Calycanthus occidentalis    Spicebush,  Sweet shrub
native
Shrub

CALYCANTHACEAE

Calycanthus occidentalis
© 2016 Steve Matson
Calycanthus occidentalis
© 2016 Steve Matson
Calycanthus occidentalis
© 2019 Julie A. Kierstead

Centaurea melitensis    Maltese star thistle,  Napa star thistle,  Tocalote
invasive non-native
Annual herb

ASTERACEAE

Centaurea melitensis
© 2019 Ron Vanderhoff
Centaurea melitensis
© 2020 Ron Vanderhoff
Centaurea melitensis
© 2020 Laura Anna Arellano

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

ASTERACEAE

Eriophyllum confertiflorum var. confertiflorum
© 2023 Ryan O'Dell
Eriophyllum confertiflorum var. confertiflorum
© 2013 James Gonsman
Eriophyllum confertiflorum var. confertiflorum
© 2020 Ron Vanderhoff

Galium parisiense    Wall bedstraw
non-native
Annual herb

RUBIACEAE

Galium parisiense
© 2021 Al Keuter
Galium parisiense
© 2020 Ron Vanderhoff
Galium parisiense
© 2019 Diane Etchison

Rubus armeniacus    Himalayan blackberry,  black berry,  Armenian blackberry
invasive non-native
Shrub

ROSACEAE

Rubus armeniacus
© 2014 James Gonsman
Rubus armeniacus
© 2020 Julie A. Kierstead
Rubus armeniacus
© 2018 Richard Spjut

Calystegia purpurata ssp. purpurata    Pacific false bindweed,  Purple western morning glory,  Smooth western morning glory
native
Perennial herb

CONVOLVULACEAE

Calystegia purpurata ssp. purpurata
© 2021 Cara Wilcox
Calystegia purpurata ssp. purpurata
© 2014 James Gonsman
Calystegia purpurata ssp. purpurata
© 2020 Robert Steers

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
© 2022 Mary Herr

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum
© 2024 Cynthia Powell
Conium maculatum
© 2013 Toni Corelli
Conium maculatum
© 2016 Cynthia Powell

Convolvulus arvensis    Field bindweed,  Orchard morningglory
invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

Convolvulus arvensis
© 2022 Steve Matson
Convolvulus arvensis
© 2021 Ron Vanderhoff
Convolvulus arvensis
© 2022 Steve Matson

native
Perennial herb

ROSACEAE

Drymocallis glandulosa var. wrangelliana
© 2020 Mary Conway
Drymocallis glandulosa var. wrangelliana
© 2017 Gary McDonald
Drymocallis glandulosa var. wrangelliana
© 2017 Gary McDonald

Geranium robertianum    herb Robert
invasive non-native
Annual herb

GERANIACEAE

Geranium robertianum
© 2016 Steve Matson
Geranium robertianum
© 2016 Steve Matson
Geranium robertianum
© 2016 Steve Matson

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

ASTERACEAE

Artemisia californica
© 2018 James Gonsman
Artemisia californica
© 2019 Aaron Echols
Artemisia californica
© 2018 Ron Vanderhoff

Grindelia camporum    Common gumplant,  Great valley gumweed,  Gum plant
native
Perennial herb

ASTERACEAE

Grindelia camporum
© 2023 R.A. Chasey
Grindelia camporum
© 2019 Ron Vanderhoff
Grindelia camporum
© 2019 Ron Vanderhoff

Lagophylla ramosissima    Branched lagophylla,  Common hareleaf
native
Annual herb

ASTERACEAE

Lagophylla ramosissima
© 2024 Mike Russler
Lagophylla ramosissima
© 2021 Dee Shea Himes
Lagophylla ramosissima
© 2022 Mike Russler

Lythrum hyssopifolia    Hyssop loosestrife
invasive non-native
Annual, Perennial herb

LYTHRACEAE

Lythrum hyssopifolia
© 2019 Diane Etchison
Lythrum hyssopifolia
© 2021 Cynthia Powell
Lythrum hyssopifolia
© 2020 Ron Vanderhoff

Melilotus indicus    Annual yellow sweetclover,  Sourclover
non-native
Annual herb

FABACEAE

Melilotus indicus
© 2019 Randy Huey
Melilotus indicus
© 2019 Randy Huey
Melilotus indicus
© 2017 Rosalie Benitez

Spergularia rubra    Purple sand spurry,  Red sandspurry,  Ruby sandspurry
non-native
Annual, Perennial herb

CARYOPHYLLACEAE

Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff
Spergularia rubra
© 2023 Ron Vanderhoff

Gastridium phleoides    Nit grass
non-native
Annual grass

POACEAE

Gastridium phleoides
© 2020 Ron Vanderhoff
Gastridium phleoides
© 2020 Ron Vanderhoff
Gastridium phleoides
© 2017 Gary McDonald

Epipactis helleborine    Broadleaf helleborine
non-native
Perennial herb

ORCHIDACEAE

Epipactis helleborine
© 2020 Cara Wilcox
Epipactis helleborine
© 2019 Stacie Wolny
Epipactis helleborine
© 2022 David Strauch

Hypochaeris radicata    Hairy cats ear,  Hairy catsear,  Rough cat's ear
invasive non-native
Perennial herb

ASTERACEAE

Hypochaeris radicata
© 2024 Ron Vanderhoff
Hypochaeris radicata
© 2017 Gary McDonald
Hypochaeris radicata
© 2016 Michael Mitchell

Sidalcea diploscypha    Fringed checker mallow,  Fringed checkerbloom,  Fringed sidalcea
native
Annual herb

MALVACEAE

Sidalcea diploscypha
© 2022 William Lundgren
Sidalcea diploscypha
© 2016 Jennifer Wheeler
Sidalcea diploscypha
© 2021 Cynthia Powell

Agrostis exarata    Spike bentgrass,  Spike redtop
native
Perennial grass

POACEAE

Agrostis exarata
© 2022 Teal Derrer
Agrostis exarata
© 2021 David popp
Agrostis exarata
© 2022 John Rawlings

Allium dichlamydeum    Coast onion,  Coastal onion
native
Perennial herb (bulb)

ALLIACEAE

Allium dichlamydeum
© 2017 Mary Sue Ittner
Allium dichlamydeum
© 2020 Sara Timby
Allium dichlamydeum
© 2020 Mary Sue Ittner

Allium peninsulare var. franciscanum    San francisco bay onion,  San francisco onion
rare native
Perennial herb (bulb)

ALLIACEAE

Allium peninsulare var. franciscanum
© 2023 Alice Cummings
Allium peninsulare var. franciscanum
© 2021 Dee Shea Himes
Allium peninsulare var. franciscanum
© 2017 Michelle Bosch

Avena sativa    Common oats,  Cultivated oats,  Wild oat
non-native
Annual, Perennial grass

POACEAE

Avena sativa
© 2016 Cynthia Powell
Avena sativa
© 2021 John Rawlings
Avena sativa
© 2006 Louis-M. Landry

Brodiaea coronaria    Crown brodiaea,  Early harvest brodiaea,  Harvest brodiaea
native
Perennial herb (bulb)

THEMIDACEAE

Brodiaea coronaria
© 2021 Dee Shea Himes
Brodiaea coronaria
© 2020 Jeff Bisbee
Brodiaea coronaria
© 2021 Robin Carter

Calochortus argillosus    Clay mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus argillosus
© 2023 Linda Brodman
Calochortus argillosus
© 2022 Suzanne L. Weakley
Calochortus argillosus
© 2022 Suzanne L. Weakley

Calochortus luteus    Yellow mariposa lily
native
Perennial herb

LILIACEAE

Calochortus luteus
© 2014 Steve Matson
Calochortus luteus
© 2014 Steve Matson
Calochortus luteus
© 2023 John L. Thompson

Cornus glabrata    Brown dogwood
native
Tree, Shrub

CORNACEAE

Cornus glabrata
© 2021 Donald Burk
Cornus glabrata
© 2021 Barbara Peck
Cornus glabrata
© 2021 John Rawlings

Deschampsia elongata    Hairgrass,  Slender hairgrass
native
Perennial grass

POACEAE

Deschampsia elongata
© 2021 John Rawlings
Deschampsia elongata
© 2021 John Rawlings
Deschampsia elongata
© 2023 Robert Steers

Dichelostemma congestum    Fork toothed ookow,  Ookow
native
Perennial herb

THEMIDACEAE

Dichelostemma congestum
© 2017 Gary Morgret
Dichelostemma congestum
© 2019 Suzanne L. Weakley
Dichelostemma congestum
© 2023 Teal Derrer

Eriodictyon californicum    California yerba santa,  Yerba santa
native
Shrub

NAMACEAE

Eriodictyon californicum
© 2023 Suzanne L. Weakley
Eriodictyon californicum
© 2022 BOB CASE
Eriodictyon californicum
© 2020 Julie A. Kierstead

Festuca arundinacea    Alta fescue,  Reed fescue,  Tall fescue
invasive non-native
Perennial grass

POACEAE

Festuca arundinacea
© 2022 Cynthia Powell
Festuca arundinacea
© 2020 Robert Steers
Festuca arundinacea
© 2017 MCOSD EDRR

Hedera helix    English ivy
invasive non-native
Vine, Shrub

ARALIACEAE

Hedera helix
© 2019 Claire Mallen
Hedera helix
© 2017 Allison Titus
Hedera helix
© 2022 Catherine Talbot

Hesperolinon micranthum    Common dwarf flax,  Small flower western flax,  Small flowered dwarf flax
native
Annual herb

LINACEAE

Hesperolinon micranthum
© 2024 Mike Russler
Hesperolinon micranthum
© 2024 Mike Russler
Hesperolinon micranthum
© 2021 R.A. Chasey

Koeleria macrantha    June grass,  Prairie junegrass
native
Perennial grass

POACEAE

Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson
Koeleria macrantha
© 2015 Steve Matson

Lewisia rediviva    Bitter root
native
Perennial herb

MONTIACEAE

Lewisia rediviva
© 2020 Matt Berger
Lewisia rediviva
© 2023 Steve Conger
Lewisia rediviva
© 2018 Mitchell Coleman

Lupinus microcarpus var. densiflorus    Chick lupine,  Dense flowered platycarpos,  Whitewhorl lupine
native
Annual herb

FABACEAE

Lupinus microcarpus var. densiflorus
© 2014 Steve Matson
Lupinus microcarpus var. densiflorus
© 2014 Steve Matson
Lupinus microcarpus var. densiflorus
© 2014 Steve Matson

Maianthemum stellatum    Starry false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum stellatum
© 2003 Steve Matson
Maianthemum stellatum
© 2003 Steve Matson
Maianthemum stellatum
© 2003 Steve Matson

Nemophila parviflora var. parviflora    Small flowered nemophila,  Smallflower nemophila,  Woodland nemophila
native
Annual herb

HYDROPHYLLACEAE

Nemophila parviflora var. parviflora
© 2019 John Rawlings
Nemophila parviflora var. parviflora
© 2021 Zoya Akulova-Barlow
Nemophila parviflora var. parviflora
© 2023 Dana York

Phleum pratense    Common timothy,  Cultivated timothy,  Timothy
non-native
Perennial grass

POACEAE

Phleum pratense
© 2013 BOB CASE
Phleum pratense
© 2019 Julie Kierstead Nelson
Phleum pratense
© 2021 Emily R. Allen

Physocarpus capitatus    Ninebark,  Pacific ninebark,  Western ninebark
native
Shrub

ROSACEAE

Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson
Physocarpus capitatus
© 2019 Steve Matson

Poa secunda ssp. secunda    One sided blue grass,  Pine bluegrass,  Sandberg's bluegrass
native
Perennial grass

POACEAE

Poa secunda ssp. secunda
© 2018 Ron Vanderhoff
Poa secunda ssp. secunda
© 2018 Ron Vanderhoff
Poa secunda ssp. secunda
© 2018 Ron Vanderhoff

Polypogon monspeliensis    Annual beard grass,  Rabbitsfoot grass
invasive non-native
Annual grass

POACEAE

Polypogon monspeliensis
© 2008 Steve Matson
Polypogon monspeliensis
© 2014 Steve Matson
Polypogon monspeliensis
© 2008 Steve Matson

Psilocarphus brevissimus var. brevissimus    Short woollyheads,  Woolly heads,  Woolly marbles
native
Annual herb

ASTERACEAE

Psilocarphus brevissimus var. brevissimus
© 2020 R.A. Chasey
Psilocarphus brevissimus var. brevissimus
© 2021 David popp
Psilocarphus brevissimus var. brevissimus
© 2020 Ron Vanderhoff

native
Shrub

ROSACEAE

Rosa gymnocarpa var. gymnocarpa
© 2019 James Gonsman
Rosa gymnocarpa var. gymnocarpa
© 2020 David Krause
Rosa gymnocarpa var. gymnocarpa
© 2017 Steve Matson

Triteleia ixioides ssp. ixioides    Golden brodiaea
native
Perennial herb

THEMIDACEAE

Triteleia ixioides ssp. ixioides
© 2020 Mary Conway
Triteleia ixioides ssp. ixioides
© 2019 Mary Conway
Triteleia ixioides ssp. ixioides
© 2020 John Rawlings

Typha angustifolia    Nail rod,  Narrow leaf cattail,  Narrowleaf cattail
non-native
Perennial herb (aquatic)

TYPHACEAE

Typha angustifolia
© 2019 Ron Vanderhoff
Typha angustifolia
© 2021 Ron Vanderhoff
Typha angustifolia
© 2021 Ron Vanderhoff

Vicia americana ssp. americana    American vetch
native
Perennial herb, Vine

FABACEAE

Vicia americana ssp. americana
© 2008 Steve Matson
Vicia americana ssp. americana
© 2008 Steve Matson
Vicia americana ssp. americana
© 2008 Steve Matson

Aesculus californica    Buckeye,  California buckeye,  California horse chestnut
native
Tree

SAPINDACEAE

Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2011 Steve Matson
Aesculus californica
© 2019 Verna Jigour

Agrostis hallii    Hall redtop,  Hall's bent grass,  Hall's bentgrass
native
Perennial grass

POACEAE

Agrostis hallii
© 2005 Steve Matson
Agrostis hallii
© 2005 Steve Matson
Agrostis hallii
© 2023 John Rawlings

Bromus laevipes    Chinook brome,  Narrow flowered brome,  Woodland brome
native
Perennial grass

POACEAE

Bromus laevipes
© 2020 Alice Cummings
Bromus laevipes
© 2019 Kimberly Moses
Bromus laevipes
© 2018 Ken Hickman

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

AGAVACEAE

Chlorogalum pomeridianum var. pomeridianum
© 2021 Sue Graue
Chlorogalum pomeridianum var. pomeridianum
© 2015 Sharon King & Randy Aeschliman
Chlorogalum pomeridianum var. pomeridianum
© 2023 Ron Vanderhoff

Cirsium quercetorum    Alameda county thistle,  Brownie thistle
native
Annual, Perennial herb

ASTERACEAE

Cirsium quercetorum
© 2023 R.A. Chasey
Cirsium quercetorum
© 2022 Hunter Breck
Cirsium quercetorum
© 2013 James Gonsman

Clinopodium douglasii    Yerba buena
native
Perennial herb

LAMIACEAE

Clinopodium douglasii
© 2019 Gary McDonald
Clinopodium douglasii
© 2012 Gary McDonald
Clinopodium douglasii
© 2012 Gary McDonald

Corallorhiza maculata    Spotted coralroot,  Summer coral root,  Summer coralroot
native
Perennial herb

ORCHIDACEAE

Corallorhiza maculata
© 2023 Steve Conger
Corallorhiza maculata
© 2024 Matt Berger
Corallorhiza maculata
© 2019 Diane Etchison

Corallorhiza striata    Hooded coralroot,  Striped coral root
native
Perennial herb

ORCHIDACEAE

Corallorhiza striata
© 2018 Timothy Boomer
Corallorhiza striata
© 2022 Steve Conger
Corallorhiza striata
© 2019 Timothy Boomer

Cotoneaster pannosus    Cotoneaster,  Silverleaf cotoneaster,  Woolly cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster pannosus
© 2021 David Wolfson
Cotoneaster pannosus
© 2019 Cynthia Powell
Cotoneaster pannosus
© 2018 MCOSD EDRR

Cynosurus echinatus    Annual dogtail,  Bristly dogstail grass,  Dogtail grass
invasive non-native
Annual grass

POACEAE

Cynosurus echinatus
© 2017 Gary McDonald
Cynosurus echinatus
© 2010 Julie A. Kierstead
Cynosurus echinatus
© 2022 Ron Vanderhoff

Delphinium hesperium ssp. hesperium    Foothill larkspur,  Western larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium hesperium ssp. hesperium
© 2018 Steve Matson
Delphinium hesperium ssp. hesperium
© 2018 Steve Matson
Delphinium hesperium ssp. hesperium
© 2016 Andrew Longman

Dipsacus sativus    Fuller's teasel,  Indian teasel
invasive non-native
Annual, Biennial herb

DIPSACACEAE

Dipsacus sativus
© 2019 Danielle Carney
Dipsacus sativus
© 2022 Jennifer Mo
Dipsacus sativus
© 2022 David Strauch

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

POACEAE

Elymus glaucus ssp. glaucus
© 2014 Toni Corelli
Elymus glaucus ssp. glaucus
© 2021 Arlee Montalvo
Elymus glaucus ssp. glaucus
© 2022 Ron Vanderhoff

Elymus multisetus    Big squirreltail grass
native
Perennial grass

POACEAE

Elymus multisetus
© 2019 Ron Vanderhoff
Elymus multisetus
© 2023 Helen Hancock
Elymus multisetus
© 2021 Denise Defreese

Festuca elmeri    Coast fescue,  Elmer fescue
native
Perennial grass

POACEAE

Festuca elmeri
© 2019 Ken Hickman
Festuca elmeri
© 2022 John Rawlings
Festuca elmeri
© 2007 Toni Corelli

Heterocodon rariflorum    Few flowered heterocodon,  Rareflower heterocodon,  Western pear flower
native
Annual herb

CAMPANULACEAE

Heterocodon rariflorum
© 2022 Steve Matson
Heterocodon rariflorum
© 2022 Steve Matson
Heterocodon rariflorum
© 2022 Steve Matson

native
Shrub

ROSACEAE

Holodiscus discolor var. discolor
© 2022 R.A. Chasey
Holodiscus discolor var. discolor
© 2021 R.A. Chasey
Holodiscus discolor var. discolor
© 2010 Avis Boutell

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

JUNCACEAE

Juncus xiphioides
© 2016 Erik Larsen
Juncus xiphioides
© 2017 Ron Vanderhoff
Juncus xiphioides
© 2023 R.A. Chasey

Lotus corniculatus    Bird's foot trefoil,  Birdfoot deervetch,  Broadleaf birdsfoot trefoil
invasive non-native
Perennial herb

FABACEAE

Lotus corniculatus
© 2005 Steve Matson
Lotus corniculatus
© 2014 Steve Matson
Lotus corniculatus
© 2014 Steve Matson

Maianthemum racemosum    Feathery false lily of the valley
native
Perennial herb

RUSCACEAE

Maianthemum racemosum
© 2020 Bob Sweatt
Maianthemum racemosum
© 2018 Steve Matson
Maianthemum racemosum
© 2019 Cynthia Powell

Navarretia heterodoxa    Calistoga navarretia,  Calistoga pincushionplant
native
Annual herb

POLEMONIACEAE

Navarretia heterodoxa
© 2018 Stacie Wolny
Navarretia heterodoxa
© 2023 R.A. Chasey
Navarretia heterodoxa
© 2021 Larry Dizmang

Phacelia rattanii    Rattan's phacelia
native
Annual herb

HYDROPHYLLACEAE

Phacelia rattanii
© 2022 Dee Shea Himes
Phacelia rattanii
© 2022 Dee Shea Himes
Phacelia rattanii
© 2020 Ken Hickman

Piperia elongata    Dense flowered rein orchid,  Denseflower rein orchid
native
Perennial herb

ORCHIDACEAE

Piperia elongata
© 2021 Roy West
Piperia elongata
© 2007 Keir Morse
Piperia elongata
© 2007 Keir Morse

Rupertia physodes    California tea,  Common rupertia,  Forest scurfpea
native
Perennial herb

FABACEAE

Rupertia physodes
© 2021 Mary Ann Machi
Rupertia physodes
© 2023 Steve Conger
Rupertia physodes
© 2020 R.A. Chasey

Stachys rigida    Rough hedgenettle
native
Perennial herb

LAMIACEAE

Stachys rigida
© 2014 Steve Matson
Stachys rigida
© 2014 Steve Matson
Stachys rigida
© 2018 Julie Kierstead Nelson

Symphoricarpos albus var. laevigatus    Common snowberry,  Upright snowberry
native
Shrub

CAPRIFOLIACEAE

Symphoricarpos albus var. laevigatus
© 2020 Jacob Smith
Symphoricarpos albus var. laevigatus
© 2020 Jacob Smith
Symphoricarpos albus var. laevigatus
© 2021 Mike Russler

native
Perennial herb

MELANTHIACEAE

Toxicoscordion venenosum var. venenosum
© 2016 Steve Matson
Toxicoscordion venenosum var. venenosum
© 2016 Steve Matson
Toxicoscordion venenosum var. venenosum
© 2016 Steve Matson

Triteleia peduncularis    Long ray brodiaea,  Long rayed brodiaea,  Marsh triteleia
native
Perennial herb

THEMIDACEAE

Triteleia peduncularis
© 2021 Suzanne L. Weakley
Triteleia peduncularis
© 2020 John Game
Triteleia peduncularis
© 2021 Suzanne L. Weakley

Aira caryophyllea    Shiver grass,  Silver hairgrass,  Silvery hairgrass
invasive non-native
Annual grass

POACEAE

Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson
Aira caryophyllea
© 2005 Steve Matson

Centaurea cyanus    Garden cornflower
non-native
Annual herb

ASTERACEAE

Centaurea cyanus
© 2019 David Greenberger
Centaurea cyanus
© 2020 Joe Engelbrecht
Centaurea cyanus
© 2020 David Wolfson

Clarkia rubicunda    Farewell to spring,  Reddened clarkia,  Ruby chalice clarkia
native
Annual herb

ONAGRACEAE

Clarkia rubicunda
© 2019 Stacie Wolny
Clarkia rubicunda
© 2021 John Game
Clarkia rubicunda
© 2019 Stacie Wolny

Eriophyllum staechadifolium    Lizard tail,  Seaside golden yarrow,  Seaside woolly sunflower
native
Perennial herb

ASTERACEAE

Eriophyllum staechadifolium
© 2024 Steve Conger
Eriophyllum staechadifolium
© 2014 James Gonsman
Eriophyllum staechadifolium
© 2019 Mary Conway

Kickxia elatine    Sharp leaved fluellin,  Sharp point fluellin,  Sharpleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia elatine
© 2023 John Malpas
Kickxia elatine
© 2018 Ron Vanderhoff
Kickxia elatine
© 2016 Barbara Boethling

Madia sativa    Chile tarweed,  Coast tarweed,  Coastal tarweed
native
Annual herb

ASTERACEAE

Madia sativa
© 2013 Ron Vanderhoff
Madia sativa
© 2021 David Wolfson
Madia sativa
© 2021 Zoya Akulova-Barlow

Orobanche californica ssp. jepsonii    Jepson's california broom rape
native
Perennial herb (parasitic)

OROBANCHACEAE

Orobanche californica ssp. jepsonii
© 2019 Ken Hickman
Orobanche californica ssp. jepsonii
© 2018 Brian and Eileen Keelan
Orobanche californica ssp. jepsonii
© 2019 Ken Hickman

Phalaris paradoxa    Hood canarygrass
non-native
Annual grass

POACEAE

Phalaris paradoxa
© 2021 David popp
Phalaris paradoxa
© 2021 John Rawlings
Phalaris paradoxa
© 2017 James Bailey

Pickeringia montana var. montana    Montana chaparral pea
native
Shrub

FABACEAE

Pickeringia montana var. montana
© 2022 Ron Vanderhoff
Pickeringia montana var. montana
© 2022 Ron Vanderhoff
Pickeringia montana var. montana
© 2022 Ron Vanderhoff

Rosa californica    California wild rose,  California wildrose
native
Shrub

ROSACEAE

Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2022 Suzanne L. Weakley
Rosa californica
© 2021 Sue Graue

Rumex conglomeratus    Clustered dock,  Green dock
non-native
Perennial herb

POLYGONACEAE

Rumex conglomeratus
© 2020 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff
Rumex conglomeratus
© 2023 Ron Vanderhoff

Sidalcea malviflora ssp. malviflora    Checker mallow,  Dwarf checkerbloom
native
Perennial herb (rhizomatous)

MALVACEAE

Sidalcea malviflora ssp. malviflora
© 2020 Mary Conway
Sidalcea malviflora ssp. malviflora
© 2020 Diane Etchison
Sidalcea malviflora ssp. malviflora
© 2020 Diane Etchison

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

APIACEAE

Torilis arvensis
© 2019 Ron Vanderhoff
Torilis arvensis
© 2017 Gary McDonald
Torilis arvensis
© 2018 Lindsey Hack

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

Erigeron foliosus var. foliosus    Leafy fleabane,  Thread stemmed fleabane
native
Perennial herb, Shrub

ASTERACEAE

Erigeron foliosus var. foliosus
© 2023 Ron Vanderhoff
Erigeron foliosus var. foliosus
© 2021 Jacob Martin
Erigeron foliosus var. foliosus
© 2022 Ron Vanderhoff

Festuca perennis    Italian rye grass
invasive non-native
Annual, Perennial grass

POACEAE

Festuca perennis
© 2019 Ron Vanderhoff
Festuca perennis
© 2017 Gary McDonald
Festuca perennis
© 2021 Ron Vanderhoff

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

APIACEAE

Foeniculum vulgare
© 2019 Nicole Leatherman
Foeniculum vulgare
© 2019 Ron Vanderhoff
Foeniculum vulgare
© 2018 Henry DiRocco

Lactuca serriola    Prickly lettuce,  Prickly wild lettuce
invasive non-native
Annual herb

ASTERACEAE

Lactuca serriola
© 2017 Gary McDonald
Lactuca serriola
© 2017 Gary McDonald
Lactuca serriola
© 2017 Gary McDonald

Lathyrus latifolius    Everlasting pea,  Perennial pea,  Perennial sweet pea
non-native
Perennial herb

FABACEAE

Lathyrus latifolius
© 2020 Jutta Burger
Lathyrus latifolius
© 2019 Cynthia Powell
Lathyrus latifolius
© 2021 Sherry Adams

Matricaria discoidea    Pineapple weed
native
Annual herb

ASTERACEAE

Matricaria discoidea
© 2008 Steve Matson
Matricaria discoidea
© 2008 Steve Matson
Matricaria discoidea
© 2018 Stacie Wolny

Nasturtium officinale    Watercress
native
Perennial herb (aquatic)

BRASSICACEAE

Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson
Nasturtium officinale
© 2012 Steve Matson

Navarretia squarrosa    Skunkbush,  Skunkweed
native
Annual herb

POLEMONIACEAE

Navarretia squarrosa
© 2024 Mike Russler
Navarretia squarrosa
© 2019 Patrick Furtado
Navarretia squarrosa
© 2022 Suzanne L. Weakley

Rumex pulcher    Fiddle dock
non-native
Perennial herb

POLYGONACEAE

Rumex pulcher
© 2020 Ryan Carle
Rumex pulcher
© 2022 Chris McDonald
Rumex pulcher
© 2021 David popp

Urtica dioica ssp. gracilis    American stinging nettle,  California nettle
native
Perennial herb

URTICACEAE

Urtica dioica ssp. gracilis
© 2020 Lynn Overtree
Urtica dioica ssp. gracilis
© 2007 Toni Corelli
Urtica dioica ssp. gracilis
© 2021 Chuck Kozak

native
Perennial herb

VERBENACEAE

Verbena lasiostachys var. scabrida
© 2021 R.A. Chasey
Verbena lasiostachys var. scabrida
© 2023 Ron Vanderhoff
Verbena lasiostachys var. scabrida
© 2020 Ron Vanderhoff

Aquilegia eximia    Serpentine columbine,  Sticky columbine,  Van Houtte's columbine
native
Perennial herb

RANUNCULACEAE

Aquilegia eximia
© 2024 Charles Russell
Aquilegia eximia
© 2019 Ken Hickman
Aquilegia eximia
© 2021 Mike Russler

Artemisia douglasiana    California mugwort,  Douglas' sagewort
native
Perennial herb

ASTERACEAE

Artemisia douglasiana
© 2022 Ron Vanderhoff
Artemisia douglasiana
© 2016 Glen Schneider
Artemisia douglasiana
© 2021 Mike Russler

Cirsium fontinale var. fontinale    Fountain thistle
rare native
Perennial herb

ASTERACEAE

Cirsium fontinale var. fontinale
© 2004 Toni Corelli
Cirsium fontinale var. fontinale
© 2021 Ambrose Cruz
Cirsium fontinale var. fontinale
© 2021 Ambrose Cruz

Pseudognaphalium stramineum    Cottonbatting plant
native
Perennial herb

ASTERACEAE

Pseudognaphalium stramineum
© 2017 Gary McDonald
Pseudognaphalium stramineum
© 2017 Gary McDonald
Pseudognaphalium stramineum
© 2017 Gary McDonald

Solanum furcatum    Forked nightshade
non-native
Perennial herb, Shrub

SOLANACEAE

Solanum furcatum
© 2024 Mike Russler
Solanum furcatum
© 2019 Cynthia Powell
Solanum furcatum
© 2024 Mike Russler

Polygonum aviculare ssp. depressum    Prostrate knotweed
non-native
Annual, Perennial herb

POLYGONACEAE

Polygonum aviculare ssp. depressum
© 2016 Barbara Boethling
Polygonum aviculare ssp. depressum
© 2021 Ron Vanderhoff
Polygonum aviculare ssp. depressum
© 2014 Richard Chasey

Castilleja affinis ssp. affinis    Coast indian paintbrush
native
Perennial herb

OROBANCHACEAE

Castilleja affinis ssp. affinis
© 2006 Steve Matson
Castilleja affinis ssp. affinis
© 2006 Steve Matson
Castilleja affinis ssp. affinis
© 2019 Ron Vanderhoff

native
Annual herb

PLANTAGINACEAE

Antirrhinum vexillocalyculatum ssp. vexillocalyculatum
© 2021 Dick Rawson
Antirrhinum vexillocalyculatum ssp. vexillocalyculatum
© 2021 Dick Rawson
Antirrhinum vexillocalyculatum ssp. vexillocalyculatum
© 2022 R.A. Chasey

Elymus triticoides    Beardless wild rye
native
Perennial grass

POACEAE

Elymus triticoides
© 2018 Ron Vanderhoff
Elymus triticoides
© 2021 Ron Vanderhoff
Elymus triticoides
© 2018 Rachelle Gray

Heracleum maximum    Common cow parsnip
native
Perennial herb

APIACEAE

Heracleum maximum
© 2019 Bob Sweatt
Heracleum maximum
© 2008 Neal Kramer
Heracleum maximum
© 2021 Julie A. Kierstead

Hordeum brachyantherum    Meadow barley
native
Perennial grass

POACEAE

Hordeum brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum
© 2015 Steve Matson
Hordeum brachyantherum
© 2015 Steve Matson

Iris foetidissima    Stinking iris
non-native
Perennial herb

IRIDACEAE

Iris foetidissima
© 2021 Cynthia Powell
Iris foetidissima
© 2022 John Doyen
Iris foetidissima
© 2021 Jennifer Mo

native
Perennial herb

LILIACEAE

Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson
Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson
Lilium pardalinum ssp. pardalinum
© 2015 Steve Matson

Morella californica    California wax myrtle
native
Tree, Shrub

MYRICACEAE

Morella californica
© 2019 Michelle Karle
Morella californica
© 2020 Kim Cabera
Morella californica
© 2020 Susan McDougall

Piperia transversa    Mountain piperia,  Royal rein orchid,  Flat Spurred Piperia
native
Perennial herb

ORCHIDACEAE

Piperia transversa
© 2015 Steve Matson
Piperia transversa
© 2015 Steve Matson
Piperia transversa
© 2005 Keir Morse

native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum var. fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum var. fasciculatum
© 2019 Steve Matson
Adenostoma fasciculatum var. fasciculatum
© 2019 Steve Matson

Angelica tomentosa    Woolly angelica
native
Perennial herb

APIACEAE

Angelica tomentosa
© 2022 Donald Burk
Angelica tomentosa
© 2022 Donald Burk
Angelica tomentosa
© 2017 MCOSD EDRR

Epilobium densiflorum    Dense boisduvalia,  Dense flowered boisduvalia,  Dense flowered spike primrose
native
Annual herb

ONAGRACEAE

Epilobium densiflorum
© 2009 BOB CASE
Epilobium densiflorum
© 2021 Mike Russler
Epilobium densiflorum
© 2020 Bob Sweatt

Erigeron bonariensis    Flax-leaved horseweed
non-native
Annual herb

ASTERACEAE

Erigeron bonariensis
© 2021 Donald Burk
Erigeron bonariensis
© 2017 Gary McDonald
Erigeron bonariensis
© 2023 Ron Vanderhoff

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

Helenium puberulum    Rosilla,  Sneezeweed
native
Perennial herb

ASTERACEAE

Helenium puberulum
© 2021 Mike Russler
Helenium puberulum
© 2019 Patrick Furtado
Helenium puberulum
© 2018 Rachelle Gray

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

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

Holcus lanatus    Common velvetgrass,  Velvet grass,  Velvetgrass
invasive non-native
Perennial grass

POACEAE

Holcus lanatus
© 2019 Bill Haley
Holcus lanatus
© 2019 Bill Haley
Holcus lanatus
© 2019 Bill Haley

Juncus effusus ssp. pacificus    Pacific rush
native
Perennial grasslike herb

JUNCACEAE

Juncus effusus ssp. pacificus
© 2009 Toni Corelli
Juncus effusus ssp. pacificus
© 2021 R.A. Chasey
Juncus effusus ssp. pacificus
© 2021 John Rawlings

Leucanthemum vulgare    Oxe eye daisy,  Oxeye daisy
invasive non-native
Perennial herb

ASTERACEAE

Leucanthemum vulgare
© 2020 Kim Cabrera
Leucanthemum vulgare
© 2019 Julian Geoghegan
Leucanthemum vulgare
© 2017 James Gonsman

Medicago lupulina    Black medick
non-native
Annual, Perennial herb

FABACEAE

Medicago lupulina
© 2020 Ron Vanderhoff
Medicago lupulina
© 2020 Ron Vanderhoff
Medicago lupulina
© 2020 Ron Vanderhoff

Medicago sativa    Alfalfa
non-native
Perennial herb

FABACEAE

Medicago sativa
© 2017 Hayley Ross
Medicago sativa
© 2020 Bob Sweatt
Medicago sativa
© 2017 Hayley Ross

Melica californica    California melicgrass
native
Perennial grass

POACEAE

Melica californica
© 2023 John Rawlings
Melica californica
© 2021 John Rawlings
Melica californica
© 2022 John Rawlings

native
Perennial herb

LAMIACEAE

Monardella villosa ssp. villosa
© 2021 Ken Lunders
Monardella villosa ssp. villosa
© 2012 Terrence Gosliner
Monardella villosa ssp. villosa
© 2015 James Gonsman

Perideridia kelloggii    Kellogg's yampah,  Yampah
native
Perennial herb

APIACEAE

Perideridia kelloggii
© 2022 Suzanne L. Weakley
Perideridia kelloggii
© 2023 Ryan O'Dell
Perideridia kelloggii
© 2022 R.A. Chasey

Pseudognaphalium ramosissimum    Pink cudweed
native
Annual, Biennial herb

ASTERACEAE

Pseudognaphalium ramosissimum
© 2021 R.A. Chasey
Pseudognaphalium ramosissimum
© 2018 Parker Santiago
Pseudognaphalium ramosissimum
© 2017 Gary McDonald

Trifolium repens    White clover
non-native
Perennial herb

FABACEAE

Trifolium repens
© 2023 Ron Vanderhoff
Trifolium repens
© 2007 Steve Matson
Trifolium repens
© 2017 Gary McDonald

Trisetum canescens    Nodding oatgrass,  Nodding trisetum,  Tall trisetum
native
Perennial grass

POACEAE

Trisetum canescens
© 2020 John Rawlings
Trisetum canescens
© 2011 Steve Matson
Trisetum canescens
© 2022 Ellen Uhler

Asclepias fascicularis    Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2010 Steve Matson
Asclepias fascicularis
© 2014 Steve Matson

Cirsium vulgare    Bull thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium vulgare
© 2017 James Bailey
Cirsium vulgare
© 2020 Bob Sweatt
Cirsium vulgare
© 2020 Bob Sweatt

Epilobium ciliatum ssp. ciliatum    Fringed willowherb,  Northern willow herb,  Willow herb
native
Perennial herb

ONAGRACEAE

Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson
Epilobium ciliatum ssp. ciliatum
© 2014 Steve Matson

Erigeron canadensis    Canada horseweed
native
Annual herb

ASTERACEAE

Erigeron canadensis
© 2017 Gary McDonald
Erigeron canadensis
© 2017 Gary McDonald
Erigeron canadensis
© 2022 Mike Russler

Eriogonum nudum var. auriculatum    Naked buckwheat,  Nude buckwheat
native
Shrub

POLYGONACEAE

Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey
Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey
Eriogonum nudum var. auriculatum
© 2020 R.A. Chasey

Grindelia hirsutula    Gumweed,  Hairy gumweed
native
Perennial herb

ASTERACEAE

Grindelia hirsutula
© 2021 R.A. Chasey
Grindelia hirsutula
© 2020 R.A. Chasey
Grindelia hirsutula
© 2015 Ken Lunders

Madia elegans    Common madia
native
Annual herb

ASTERACEAE

Madia elegans
© 2021 Jamie Spielmann
Madia elegans
© 2021 Mike Russler
Madia elegans
© 2020 Diane Etchison

Mentha pulegium    Pennyroyal
invasive non-native
Perennial herb

LAMIACEAE

Mentha pulegium
© 2014 James Gonsman
Mentha pulegium
© 2022 R.A. Chasey
Mentha pulegium
© 2015 Chris Jaster

Rumex salicifolius    Willow dock,  Willow leaved dock
native
Perennial herb

POLYGONACEAE

Rumex salicifolius
© 2023 Ron Vanderhoff
Rumex salicifolius
© 2012 Gary McDonald
Rumex salicifolius
© 2012 Gary McDonald

Baccharis glutinosa    Douglas' baccharis,  Salt marsh baccharis
native
Perennial herb

ASTERACEAE

Baccharis glutinosa
© 2020 Patrick Furtado
Baccharis glutinosa
© 2019 Julian Geoghegan
Baccharis glutinosa
© 2020 Rebecca Schoenenberger

Epilobium brachycarpum    Annual fireweed,  Autumn willowweed,  Panicled willow herb
native
Annual herb

ONAGRACEAE

Epilobium brachycarpum
© 2023 Mary Ann Machi
Epilobium brachycarpum
© 2019 Ramona Robison
Epilobium brachycarpum
© 2020 Ron Vanderhoff

Lessingia hololeuca    Woolly headed lessingia,  Woollyhead lessingia
rare native
Annual herb

ASTERACEAE

Lessingia hololeuca
© 2023 R.A. Chasey
Lessingia hololeuca
© 2023 R.A. Chasey
Lessingia hololeuca
© 2020 Ken Hickman

Lupinus formosus var. formosus    Summer lupine,  Western lupine
native
Perennial herb

FABACEAE

Lupinus formosus var. formosus
© 2016 Michael Mitchell
Lupinus formosus var. formosus
© 2011 Michael Mitchell
Lupinus formosus var. formosus
© 2020 R.A. Chasey

native
Perennial herb

ASTERACEAE

Pseudognaphalium beneolens
© 2021 BLM Redding Field Office
Pseudognaphalium beneolens
© 2021 Mike Russler
Pseudognaphalium beneolens
© 2021 R.A. Chasey

Stachys pycnantha    Short spike hedge nettle,  Shortspike hedgenettle
native
Perennial herb

LAMIACEAE

Stachys pycnantha
© 2023 David Wolfson
Stachys pycnantha
© 2019 David Wolfson
Stachys pycnantha
© 2021 Dan Quinn

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

ASTERACEAE

Helminthotheca echioides
© 2016 Hayley Ross
Helminthotheca echioides
© 2019 Rachelle Gray
Helminthotheca echioides
© 2012 Elizabeth Brusati

Rumex obtusifolius    Bitter dock
non-native
Perennial herb

POLYGONACEAE

Rumex obtusifolius
© 2021 Toni Corelli
Rumex obtusifolius
© 2021 Toni Corelli
Rumex obtusifolius
© null

Cryptantha micromeres    Minute flowered cryptantha,  Pygmyflower cryptantha,  Small flowered cryptantha
native
Annual herb

BORAGINACEAE

Cryptantha micromeres
© 2021 Jodi McGraw
Cryptantha micromeres
© 2020 Ken Hickman
Cryptantha micromeres
© 2019 John Rawlings

Eryngium aristulatum var. aristulatum    California eryngo,  Jepson's button celery
native
Perennial herb

APIACEAE

Eryngium aristulatum var. aristulatum
© 2017 Hunter Breck
Eryngium aristulatum var. aristulatum
© 2023 R.A. Chasey
Eryngium aristulatum var. aristulatum
© 2023 R.A. Chasey

Cichorium intybus    Chicory
non-native
Perennial herb

ASTERACEAE

Cichorium intybus
© 2020 Bob Sweatt
Cichorium intybus
© 2022 David Strauch
Cichorium intybus
© 2019 Diane Etchison

Cordylanthus rigidus ssp. rigidus    Rigid bird's beak,  Stiffbranch bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler
Cordylanthus rigidus ssp. rigidus
© 2021 Mike Russler

Eleocharis acicularis var. acicularis    Needle spike rush,  Needle spikerush
native
Perennial grasslike herb

CYPERACEAE

Eleocharis acicularis var. acicularis
© 2017 Toni Corelli
Eleocharis acicularis var. acicularis
© 2023 R.A. Chasey
Eleocharis acicularis var. acicularis
© 2023 Robin Carter-Ervin

Erigeron petrophilus var. petrophilus    Cliff fleabane,  Rockloving erigeron
native
Perennial herb

ASTERACEAE

Erigeron petrophilus var. petrophilus
© 2019 Ken Hickman
Erigeron petrophilus var. petrophilus
© 2022 Ellen Uhler
Erigeron petrophilus var. petrophilus
© 2018 Adam Chasey

Symphyotrichum chilense    California aster,  Pacific aster
native
Perennial herb

ASTERACEAE

Symphyotrichum chilense
© 2020 Suzanne L. Weakley
Symphyotrichum chilense
© 2013 Arcangelo Wessells
Symphyotrichum chilense
© 2018 Stacie Wolny

Veronica americana    American brooklime,  American speedwell,  Brooklime
native
Perennial herb

PLANTAGINACEAE

Veronica americana
© 2016 Steve Matson
Veronica americana
© 2016 Steve Matson
Veronica americana
© 2016 Steve Matson

Cordylanthus pilosus ssp. pilosus    Hairy bird's beak
native
Annual herb

OROBANCHACEAE

Cordylanthus pilosus ssp. pilosus
© 2022 R.A. Chasey
Cordylanthus pilosus ssp. pilosus
© 2022 R.A. Chasey
Cordylanthus pilosus ssp. pilosus
© 2015 John Doyen

Eriogonum luteolum var. luteolum    Golden buckwheat,  Goldencarpet buckwheat
native
Annual herb

POLYGONACEAE

Eriogonum luteolum var. luteolum
© 2011 Steve Matson
Eriogonum luteolum var. luteolum
© 2011 Steve Matson
Eriogonum luteolum var. luteolum
© 2011 Steve Matson

Helianthus californicus    California sunflower
native
Perennial herb

ASTERACEAE

Helianthus californicus
© 2021 Mike Russler
Helianthus californicus
© 2020 David Greenberger
Helianthus californicus
© 2021 Mike Russler

Eurybia radulina    Roughleaf aster
native
Perennial herb

ASTERACEAE

Eurybia radulina
© 2007 Keir Morse
Eurybia radulina
© 2023 Ken-ichi Ueda
Eurybia radulina
© 2022 Bob Sweatt

Lactuca saligna    Narrow leaved wild lettuce,  Willow lettuce,  Willowleaf lettuce
non-native
Annual herb

ASTERACEAE

Lactuca saligna
© 2021 Don Hollander
Lactuca saligna
© 2019 Stacie Wolny
Lactuca saligna
© 2021 Don Hollander

Piperia elegans ssp. elegans    Elegant piperia
native
Perennial herb

ORCHIDACEAE

Piperia elegans ssp. elegans
© 2018 Saskia Raether
Piperia elegans ssp. elegans
© 2022 Cynthia Powell
Piperia elegans ssp. elegans
© 2017 Nicole Mercier

Solidago velutina ssp. californica    California goldenrod,  Oreja de liebre
native
Perennial herb

ASTERACEAE

Solidago velutina ssp. californica
© 2013 Steve Matson
Solidago velutina ssp. californica
© 2008 Steve Matson
Solidago velutina ssp. californica
© 2008 Steve Matson

Stephanomeria virgata ssp. virgata    Rod wirelettuce,  Tall milk aster,  Virgate stephanomeria
native
Annual herb

ASTERACEAE

Stephanomeria virgata ssp. virgata
© 2019 David Greenberger
Stephanomeria virgata ssp. virgata
© 1970 Martin Purdy
Stephanomeria virgata ssp. virgata
© 2018 Ron Vanderhoff

Kickxia spuria    Fluellin,  Roundleaf cancerwort
non-native
Perennial herb

PLANTAGINACEAE

Kickxia spuria
© 2020 David Wolfson
Kickxia spuria
© 2020 Vivian Neou
Kickxia spuria
© 2023 R.A. Chasey

Amaryllis belladonna    Belladonna lily
non-native
Perennial herb

AMARYLLIDACEAE

Amaryllis belladonna
© 2016 Camille Nowell
Amaryllis belladonna
© 2023 Ron Vanderhoff
Amaryllis belladonna
© 2022 Ron Vanderhoff

Euthamia occidentalis    Western flat topped goldenrod,  Western goldenrod,  Western goldentop
native
Perennial herb

ASTERACEAE

Euthamia occidentalis
© 2021 Steve Matson
Euthamia occidentalis
© 2018 Ron Vanderhoff
Euthamia occidentalis
© 2021 R.A. Chasey

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

ASTERACEAE

Hemizonia congesta ssp. luzulifolia
© 2013 Arcangelo Wessells
Hemizonia congesta ssp. luzulifolia
© 2022 R.A. Chasey
Hemizonia congesta ssp. luzulifolia
© 2022 R.A. Chasey

Dittrichia graveolens    Stinkwort
invasive non-native
Annual herb

ASTERACEAE

Dittrichia graveolens
© 2017 Bob Huttar
Dittrichia graveolens
© 2019 Ron Vanderhoff
Dittrichia graveolens
© 2019 Ron Vanderhoff

Sequoia sempervirens    Coast redwood
native
Tree

CUPRESSACEAE

Sequoia sempervirens
© 2019 Patrick Furtado
Sequoia sempervirens
© 2022 David Strauch
Sequoia sempervirens
© 2019 R.A. Chasey

native
Shrub

ASTERACEAE

Baccharis pilularis ssp. consanguinea
© 2009 Toni Corelli
Baccharis pilularis ssp. consanguinea
© 2022 John Doyen
Baccharis pilularis ssp. consanguinea
© 2018 Ron Vanderhoff

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

MYRTACEAE

Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff
Eucalyptus globulus
© 2022 Ron Vanderhoff

Delairea odorata    Cape ivy
invasive non-native
Perennial herb

ASTERACEAE

Delairea odorata
© 2019 Ron Vanderhoff
Delairea odorata
© 2019 Ron Vanderhoff
Delairea odorata
© 2019 Ron Vanderhoff

Dirca occidentalis    Western leatherwood
rare native
Shrub

THYMELAEACEAE

Dirca occidentalis
© 2017 John Game
Dirca occidentalis
© 2024 William Blaker
Dirca occidentalis
© 2018 David Greenberger

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

LAURACEAE

Umbellularia californica
© 2023 Mary Ann Machi
Umbellularia californica
© 2016 Steve Matson
Umbellularia californica
© 2023 Mary Ann Machi

Parietaria judaica    Spreading pellitory
non-native
Perennial herb

URTICACEAE

Parietaria judaica
© 2021 Ron Vanderhoff
Parietaria judaica
© 2021 Ron Vanderhoff
Parietaria judaica
© 2021 Ron Vanderhoff

Garrya elliptica    Coast silk tassel,  Coast silktassel,  Silk tassel bush or quinine bush
native
Tree, Shrub

GARRYACEAE

Garrya elliptica
© 2004 Michael Charters
Garrya elliptica
© 2020 John Rawlings
Garrya elliptica
© 2020 Eliezer Margolis

native
Shrub (parasitic)

VISCACEAE

Phoradendron serotinum ssp. tomentosum
© 2022 David popp
Phoradendron serotinum ssp. tomentosum
© 2020 R.A. Chasey
Phoradendron serotinum ssp. tomentosum
© 2021 R.A. Chasey

Ribes malvaceum var. malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum var. malvaceum
© 2023 R.A. Chasey
Ribes malvaceum var. malvaceum
© 2020 Ron Vanderhoff
Ribes malvaceum var. malvaceum
© 2023 R.A. Chasey

Oxalis pes-caprae    Bermuda buttercup,  Sourgrass
invasive non-native
Perennial herb

OXALIDACEAE

Oxalis pes-caprae
© 2015 Richard Chasey
Oxalis pes-caprae
© 2017 Angelique Herman
Oxalis pes-caprae
© 2019 Gary McDonald