logo Calflora Illustrated Plant List 

Santa Susana Pass State Historic Park

Los Angeles County

Richard Burg, Michael Bonk  / California State Parks  (2006-05-17)

Record Detail Nearby Surveys What Grows Here?
160 PLANTS
Aspidotis californica    California lace fern,  California lacefern
native
Fern

PTERIDACEAE

Aspidotis californica Aspidotis californica Aspidotis californica
2016 Barbara Boethling
2018 Hunter Breck
2003 Michael Charters

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

DRYOPTERIDACEAE

Dryopteris arguta Dryopteris arguta Dryopteris arguta
2004 Brent Miller
2012 Michael Perlmutter
2007 Neal Kramer

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

CYPERACEAE

Eleocharis montevidensis Eleocharis montevidensis Eleocharis montevidensis
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson

Eremocarpus setigerus    Turkey-mullein
(currently Croton setiger)
native
Annual herb

EUPHORBIACEAE

Eremocarpus setigerus Eremocarpus setigerus Eremocarpus setigerus
2018 Rachelle Gray
2018 Rachelle Gray
2019 Jennifer Mo

Helianthemum scoparium    Bisbee Peak Rushrose
(currently Crocanthemum scoparium var. scoparium)
native
Shrub

CISTACEAE

Helianthemum scoparium Helianthemum scoparium Helianthemum scoparium
2018 Debra L. Cook
2018 Vernon Smith
2018 Debra L. Cook

Pellaea mucronata    Bird's foot fern,  Birdfoot cliffbrake,  Birdfoot fern
native
Fern

PTERIDACEAE

Pellaea mucronata Pellaea mucronata Pellaea mucronata
2012 Ron Vanderhoff
2009 Thomas Stoughton
2017 Keir Morse

Pentagramma triangularis    Gold back fern,  Goldenback fern
native
Fern

PTERIDACEAE

Pentagramma triangularis Pentagramma triangularis Pentagramma triangularis
2005 George W. Hartwell
2018 Miao Ling He
2018 Cynthia Powell

Arctostaphylos glandulosa    Eastwood manzanita,  Eastwood's manzanita
native
Shrub

ERICACEAE

Arctostaphylos glandulosa Arctostaphylos glandulosa Arctostaphylos glandulosa
2015 Richard Chasey
2014 Vertin Alvarez
2017 MCOSD Restoration Crew

Lathyrus vestitus    Bolander's pea,  Common pacific pea,  Pacific peavine
native
Perennial herb

FABACEAE

Lathyrus vestitus Lathyrus vestitus Lathyrus vestitus
2009 John W. Wall
2002 Lynn Watson
2016 Diane Etchison

Sisymbrium orientale    Indian hedge mustard,  Oriental hedge mustard
non-native
Annual, Perennial herb

BRASSICACEAE

Sisymbrium orientale Sisymbrium orientale Sisymbrium orientale
2014 Robert F Norris
2014 Robert F Norris
2009 Phil Pullen

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

CARYOPHYLLACEAE

Silene gallica Silene gallica Silene gallica
2017 Barbara Boethling
2017 Gary McDonald
2017 Gary McDonald

Gnaphalium californicum    Ladies' tobacco
(currently Pseudognaphalium californicum)
native
Annual, Perennial herb

ASTERACEAE

Gnaphalium californicum Gnaphalium californicum Gnaphalium californicum
2017 Gary McDonald
2017 Gary McDonald
2008 Keir Morse

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

BRASSICACEAE

Hirschfeldia incana Hirschfeldia incana Hirschfeldia incana
2017 Gary McDonald
2017 Gary McDonald
2008 Neal Kramer

Ricinus communis    Castor bean,  Castorbean
invasive non-native
Shrub

EUPHORBIACEAE

Ricinus communis Ricinus communis Ricinus communis
2017 b potts
2013 Keir Morse
2017 Henry DiRocco

Solanum douglasii    Douglas' nightshade,  Greenspot nightshade
native
Perennial herb

SOLANACEAE

Solanum douglasii Solanum douglasii Solanum douglasii
2003 Michael Charters
2018 Debra L. Cook
2017 Zoya Akulova

Bromus carinatus    California brome grass,  California bromegrass
native
Perennial grass

POACEAE

Bromus carinatus Bromus carinatus Bromus carinatus
2015 jamie smith
2011 Ryan Batten
2015 jamie smith

Bromus rubens    Foxtail brome,  Foxtail chess,  Foxtail grass
(currently Bromus madritensis ssp. rubens)
invasive non-native
Annual grass

POACEAE

Bromus rubens Bromus rubens Bromus rubens
2008 Thomas Stoughton
2004 Carol W. Witham
2005 Steve Matson

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

POACEAE

Melica imperfecta Melica imperfecta Melica imperfecta
2009 Keir Morse
2014 Steve Matson
2019 Bonnie Nickel

Populus fremontii    Fremont cottonwood
native
Tree

SALICACEAE

Populus fremontii Populus fremontii Populus fremontii
2018 Julie Kierstead Nelson
2007 Dr. Mark S. Brunell
2010 Lee Dittmann

Quercus berberidifolia    Inland scrub oak
native
Tree

FAGACEAE

Quercus berberidifolia Quercus berberidifolia Quercus berberidifolia
2008 Keir Morse
2015 Diane Etchison
2018 Cynthia Powell

Salix gooddingii    Goodding's black willow,  Goodding's willow,  Gooding's willow
native
Tree

SALICACEAE

Salix gooddingii Salix gooddingii Salix gooddingii
2013 Neal Kramer
2008 Christopher Bronny
2013 Neal Kramer

Collinsia heterophylla    Purple chinese houses
native
Annual herb

PLANTAGINACEAE

Collinsia heterophylla Collinsia heterophylla Collinsia heterophylla
2019 Jacob Smith
2019 Jacob Smith
2019 David Greenberger

Dichelostemma capitatum    Blue dicks,  Wild hyacinth
native
Perennial herb

THEMIDACEAE

Dichelostemma capitatum Dichelostemma capitatum Dichelostemma capitatum
2017 Alison Sheehey
2019 Chico Hiking Association
2019 Chico Hiking Association

Paeonia californica    California peony
native
Perennial herb

PAEONIACEAE

Paeonia californica Paeonia californica Paeonia californica
2004 Michelle Cloud-Hughes
2008 Gary A. Monroe
2019 Aaron Echols

Phacelia imbricata    Imbricate phacelia
native
Perennial herb

BORAGINACEAE

Phacelia imbricata Phacelia imbricata Phacelia imbricata
2015 Debra L. Cook
2018 Elinor Gates
2018 Ron Vanderhoff

Quercus agrifolia    California live oak,  Coast live oak
native
Tree

FAGACEAE

Quercus agrifolia Quercus agrifolia Quercus agrifolia
2019 Patrick Furtado
2018 Diane Etchison
2018 Ali Sykes

Camissonia californica    California primrose
(currently Eulobus californicus)
native
Annual herb

ONAGRACEAE

Camissonia californica Camissonia californica Camissonia californica
2019 Elexis Padron
2019 Ron Vanderhoff
2015 Diane Etchison

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

MONTIACEAE

Claytonia perfoliata Claytonia perfoliata Claytonia perfoliata
2015 Steven M Norris
2007 Neal Kramer
2019 Ron Vanderhoff

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

CRASSULACEAE

Crassula connata Crassula connata Crassula connata
2019 Adam Chasey
2019 Ron Vanderhoff
2019 Ron Vanderhoff

Lamarckia aurea    Goldentop grass
non-native
Annual grass

POACEAE

Lamarckia aurea Lamarckia aurea Lamarckia aurea
2006 Luigi Rignanese
2019 Ron Vanderhoff
2007 Neal Kramer

Malosma laurina    Laurel sumac
native
Tree, Shrub

ANACARDIACEAE

Malosma laurina Malosma laurina Malosma laurina
2007 Ricky Grubb
2003 Michael Charters
2010 Michael O'Brien

Platanus racemosa    California sycamore,  Western sycamore
native
Tree

PLATANACEAE

Platanus racemosa Platanus racemosa Platanus racemosa
2012 Neal Kramer
2018 Ron Vanderhoff
2019 Rachelle Gray

Rhus integrifolia    Lemonade berry,  Lemonade sumac
native
Shrub

ANACARDIACEAE

Rhus integrifolia Rhus integrifolia Rhus integrifolia
2019 Ron Vanderhoff
2006 Steve Matson
2015 Susan McDougall

Salix lasiolepis    Arroyo willow
native
Tree, Shrub

SALICACEAE

Salix lasiolepis Salix lasiolepis Salix lasiolepis
2008 Keir Morse
2012 Zoya Akulova
2016 Zoya Akulova

Tauschia arguta    Southern tauschia,  Southern umbrellawort
native
Perennial herb

APIACEAE

Tauschia arguta Tauschia arguta Tauschia arguta
2019 Diane Etchison
2003 Brent Miller
2006 Michelle Cloud-Hughes

Venegasia carpesioides    Canyon sunflower
native
Perennial herb

ASTERACEAE

Venegasia carpesioides Venegasia carpesioides Venegasia carpesioides
2012 Ron Vanderhoff
2002 Lynn Watson
2016 Ron Vanderhoff

Emmenanthe penduliflora    Whispering bells,  Whisperingbells
native
Annual herb

BORAGINACEAE

Emmenanthe penduliflora Emmenanthe penduliflora Emmenanthe penduliflora
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Ron Vanderhoff

Encelia californica    Bush sunflower,  California brittlebush,  California encelia
native
Shrub

ASTERACEAE

Encelia californica Encelia californica Encelia californica
2007 Shawn DeCew
2011 Zoya Akulova
2010 Michael O'Brien

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

GERANIACEAE

Erodium cicutarium Erodium cicutarium Erodium cicutarium
2016 Keir Morse
2019 Diane Etchison
2019 Richard Spjut

Lotus strigosus    Strigose lotus
(currently Acmispon strigosus)
native
Annual herb

FABACEAE

Lotus strigosus Lotus strigosus Lotus strigosus
2019 Gary McDonald
2019 Diane Etchison
2019 Gary McDonald

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

FABACEAE

Medicago polymorpha Medicago polymorpha Medicago polymorpha
2008 Steve Matson
2003 Michael Charters
2004 Carol W. Witham

Parietaria hespera    Pelitory,  Pellitory,  Rillita pellitory
native
Annual herb

URTICACEAE

Parietaria hespera Parietaria hespera Parietaria hespera
2009 Keir Morse
2005 Robert Sivinski
Russell Huddleston

Parietaria hespera var. californica    California pellitory
native
Annual herb

URTICACEAE

Parietaria hespera var. californica Parietaria hespera var. californica Parietaria hespera var. californica
2009 Keir Morse
2009 Keir Morse
2002 Dean Wm. Taylor

Calystegia macrostegia    Island false bindweed,  Island morning glory
native
Perennial herb, Vine

CONVOLVULACEAE

Calystegia macrostegia Calystegia macrostegia Calystegia macrostegia
2007 Lynn Watson
2019 Cynthia Powell
2019 Cynthia Powell

Carduus pycnocephalus    Italian thistle
invasive non-native
Annual herb

ASTERACEAE

Carduus pycnocephalus Carduus pycnocephalus Carduus pycnocephalus
2019 Gary McDonald
2008 Zoya Akulova
2006 Chris Wagner, SBNF

Pterostegia drymarioides    Fairy mist,  Woodland threadstem
native
Annual herb

POLYGONACEAE

Pterostegia drymarioides Pterostegia drymarioides Pterostegia drymarioides
2015 Diane Etchison
2019 Ron Vanderhoff
2018 Ron Vanderhoff

Solanum xanti    Chaparral nightshade,  Nightshade,  Purple nightshade
native
Perennial herb, Shrub

SOLANACEAE

Solanum xanti Solanum xanti Solanum xanti
2006 Chris Wagner, SBNF
2011 Neal Kramer
2017 Ashley Olive

Cuscuta californica    California dodder,  Chaparral dodder
native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta californica Cuscuta californica Cuscuta californica
2006 Tom Annese
2018 David popp
2016 Yana Marshall

Eriophyllum confertiflorum    Golden yarrow,  Yellow yarrow
native
Shrub

ASTERACEAE

Eriophyllum confertiflorum Eriophyllum confertiflorum Eriophyllum confertiflorum
2016 Erik Larsen
2019 Diane Etchison
2018 Bruce Homer-Smith

Leptodactylon californicum    Prickly phlox
(currently Linanthus californicus)
native
Shrub

POLEMONIACEAE

Leptodactylon californicum Leptodactylon californicum Leptodactylon californicum
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff

Carpobrotus edulis    Hottentot fig,  Iceplant,  Sea fig
invasive non-native
Perennial herb

AIZOACEAE

Carpobrotus edulis Carpobrotus edulis Carpobrotus edulis
2008 Neal Kramer
2017 Lisa Miller
2012 Jon Hall

Datura wrightii    Jimsonweed,  Sacred thorn apple,  Toluaca
native
Perennial herb

SOLANACEAE

Datura wrightii Datura wrightii Datura wrightii
2019 Robin Street-Morris
2018 Japhia Huhndorf
2019 Ron Vanderhoff

Lupinus sparsiflorus    Coulter's lupine,  Mohave lupine,  Mojave lupine
native
Annual herb

FABACEAE

Lupinus sparsiflorus Lupinus sparsiflorus Lupinus sparsiflorus
2019 Diane Etchison
2010 James M. Andre
2010 Neal Kramer

Antirrhinum kelloggii    Climbing snapdragon,  Kellogg's snapdragon,  Lax snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum kelloggii Antirrhinum kelloggii Antirrhinum kelloggii
2009 Keir Morse
2018 Joshua Borkowski
2017 Rebecca Schoenenberger

Ceanothus spinosus    Greenbark ceanothus,  Redheart
native
Tree, Shrub

RHAMNACEAE

Ceanothus spinosus Ceanothus spinosus Ceanothus spinosus
2018 Ron Vanderhoff
2012 Ron Vanderhoff
2019 Ron Vanderhoff

Cercocarpus betuloides    Birch leaf mountain mahogany,  Mountain mahogany
native
Tree, Shrub

ROSACEAE

Cercocarpus betuloides Cercocarpus betuloides Cercocarpus betuloides
2018 Diane Etchison
2010 James M. Andre
2016 Steven M Norris

Gilia angelensis    Chaparral gilia
native
Annual herb

POLEMONIACEAE

Gilia angelensis Gilia angelensis Gilia angelensis
2009 Keir Morse
2014 Debra L. Cook
2019 Michael Mitchell

Lupinus hirsutissimus    Stinging annual lupine,  Stinging lupine
native
Annual herb

FABACEAE

Lupinus hirsutissimus Lupinus hirsutissimus Lupinus hirsutissimus
2018 Rachelle Gray
2004 Michelle Cloud-Hughes
2008 Keir Morse

Mimulus cardinalis    Cardinal monkey flower
(currently Erythranthe cardinalis)
native
Perennial herb

PHRYMACEAE

Mimulus cardinalis Mimulus cardinalis Mimulus cardinalis
2019 Ron Vanderhoff
2019 Diane Etchison
2017 Aaron Echols

Phacelia cicutaria    Caterpillar phacelia
native
Annual herb

BORAGINACEAE

Phacelia cicutaria Phacelia cicutaria Phacelia cicutaria
2015 Diane Etchison
2019 Chico Hiking Association
2019 Ron Vanderhoff

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

LAURACEAE

Umbellularia californica Umbellularia californica Umbellularia californica
2018 David popp
2015 Diane Etchison
2003 Michael Charters

Uropappus lindleyi    Silver puffs,  Uropappus
native
Annual herb

ASTERACEAE

Uropappus lindleyi Uropappus lindleyi Uropappus lindleyi
2018 Ron Vanderhoff
2017 Diane Etchison
2019 Carl Mautner

Zigadenus fremontii    Fremont's star lily,  Fremont's death camas
(currently Toxicoscordion fremontii)
native
Perennial herb

MELANTHIACEAE

Zigadenus fremontii Zigadenus fremontii Zigadenus fremontii
2019 Dee Shea Himes
2017 Kristin Sabo
2017 Joseph O Connor

Calochortus catalinae    Catalina mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus catalinae Calochortus catalinae Calochortus catalinae
2019 Ron Vanderhoff
2017 Diane Etchison
2015 Diane Etchison

Eriodictyon crassifolium    Felt leaved yerba santa,  Thick leaved yerba santa,  Thickleaf yerba santa
native
Shrub

BORAGINACEAE

Eriodictyon crassifolium Eriodictyon crassifolium Eriodictyon crassifolium
2019 Diane Etchison
2017 Diane Etchison
2008 Michelle Cloud-Hughes

Eucrypta chrysanthemifolia    Common eucrypta,  Spotted eucrypta,  Spotted hideseed
native
Annual herb

BORAGINACEAE

Eucrypta chrysanthemifolia Eucrypta chrysanthemifolia Eucrypta chrysanthemifolia
2019 Diane Etchison
2019 Rachelle Gray
2015 Steven M Norris

Filago californica    California cottonrose
(currently Logfia filaginoides)
native
Annual herb

ASTERACEAE

Filago californica Filago californica Filago californica
2017 Robert Steers
2019 Matt Berger
2015 Diane Etchison

Fraxinus dipetala    California ash,  Flowering ash,  Foothill ash
native
Tree, Shrub

OLEACEAE

Fraxinus dipetala Fraxinus dipetala Fraxinus dipetala
2009 Barry Breckling
2018 Ron Vanderhoff
2009 Keir Morse

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

ASTERACEAE

Hypochaeris glabra Hypochaeris glabra Hypochaeris glabra
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson

Juglans californica    Southern black walnut,  Southern california walnut,  Southern california black walnut
native
Tree

JUGLANDACEAE

Juglans californica Juglans californica Juglans californica
2003 Michael Charters
2006 George W. Hartwell
2016 Aaron Echols

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

FABACEAE

Lupinus bicolor Lupinus bicolor Lupinus bicolor
2004 Carol W. Witham
2014 Neal Kramer
2012 Gary A. Monroe

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

BORAGINACEAE

Phacelia distans Phacelia distans Phacelia distans
2008 Keir Morse
2016 Bonnie Nickel
2013 James Gonsman

Schinus molle    Peruvian pepper tree,  Peruvian peppertree
invasive non-native
Tree

ANACARDIACEAE

Schinus molle Schinus molle Schinus molle
2009 Neal Kramer
2017 William McCarey
1999 John Randall, Ph.D.

Toxicodendron diversilobum    Poison oak,  Poisonoak
native
Vine, Shrub

ANACARDIACEAE

Toxicodendron diversilobum Toxicodendron diversilobum Toxicodendron diversilobum
2011 Robert A. Hamilton
2008 Keir Morse
2008 Zoya Akulova

Galium angustifolium    Narrow leaved bedstraw,  Narrowleaf bedstraw
native
Perennial herb

RUBIACEAE

Galium angustifolium Galium angustifolium Galium angustifolium
2009 Neal Kramer
2019 Marisa Persaud
2013 Keir Morse

Sambucus mexicana    Blue elderberry
(currently Sambucus nigra ssp. caerulea)
native
Shrub

ADOXACEAE

Sambucus mexicana Sambucus mexicana Sambucus mexicana
2019 Jean B Henney
2019 Julian Geoghegan
2019 Michael Morrison

Keckiella cordifolia    Climbing penstemon,  Heart leaved keckiella,  Heartleaf keckiella
native
Shrub

PLANTAGINACEAE

Keckiella cordifolia Keckiella cordifolia Keckiella cordifolia
2018 Diane Etchison
2019 Ron Vanderhoff
2019 Diane Etchison

Lotus scoparius    Deerweed
(currently Acmispon glaber)
native
Perennial herb

FABACEAE

Lotus scoparius Lotus scoparius Lotus scoparius
2019 Diane Etchison
2014 Garth Wadsworth
2011 Vernon Smith

Mimulus aurantiacus    Sticky monkeyflower
(currently Diplacus aurantiacus)
native
Shrub

PHRYMACEAE

Mimulus aurantiacus Mimulus aurantiacus Mimulus aurantiacus
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald

Anagallis arvensis    Scarlet pimpernel
(currently Lysimachia arvensis)
non-native
Annual herb

MYRSINACEAE

Anagallis arvensis Anagallis arvensis Anagallis arvensis
2017 B.J. Dion
2009 Keir Morse
2018 stephen rosenthal

Nicotiana glauca    Tree tobacco
invasive non-native
Tree, Shrub

SOLANACEAE

Nicotiana glauca Nicotiana glauca Nicotiana glauca
2017 Steve Matson
2006 Brent Miller
2018 Nicole Leatherman

Piptatherum miliaceum    Smilo grass
(currently Stipa miliacea)
non-native
Perennial grass

POACEAE

Piptatherum miliaceum Piptatherum miliaceum Piptatherum miliaceum
2018 Ron Vanderhoff
2000 Joe DiTomaso
2016 Zoya Akulova

Malva parviflora    Cheeseweed mallow
non-native
Annual herb

MALVACEAE

Malva parviflora Malva parviflora Malva parviflora
2006 Alison M. Sheehey
2012 Neal Kramer
2008 Luigi Rignanese

Solanum americanum    American black nightshade,  Common nightshade,  Small flowered nightshade
native
Annual, Perennial herb

SOLANACEAE

Solanum americanum Solanum americanum Solanum americanum
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald

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

POACEAE

Avena fatua Avena fatua Avena fatua
2008 Keir Morse
2002 James B. Gratiot
2008 Zoya Akulova

Rhus ovata    Sugar bush,  Sugar sumac
native
Shrub

ANACARDIACEAE

Rhus ovata Rhus ovata Rhus ovata
2013 Anne Olivares
2013 David popp
2018 David Wolfson

Trifolium willdenovii    Tomcat clover
native
Annual herb

FABACEAE

Trifolium willdenovii Trifolium willdenovii Trifolium willdenovii
2018 Stacie Wolny
2019 Ron Vanderhoff
2018 Stacie Wolny

Achnatherum coronatum    Crested needle grass
(currently Stipa coronata)
native
Perennial grass

POACEAE

Achnatherum coronatum Achnatherum coronatum Achnatherum coronatum
2019 Rachelle Gray
2005 Steve Matson
2013 Christopher Bronny

Allophyllum divaricatum    Purple false gilia,  Purple false gilyflower,  Straggling gilia
native
Annual herb

POLEMONIACEAE

Allophyllum divaricatum Allophyllum divaricatum Allophyllum divaricatum
2015 Ron Vanderhoff
2019 Ken Hickman
2006 Steve Matson

Antirrhinum coulterianum    Coulter snapdragon,  Coulter's snapdragon
native
Annual herb

PLANTAGINACEAE

Antirrhinum coulterianum Antirrhinum coulterianum Antirrhinum coulterianum
2009 Neal Kramer
2019 Lynn Sweet
2019 Diane Etchison

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

POACEAE

Bromus diandrus Bromus diandrus Bromus diandrus
2009 Neal Kramer
2018 Angelique Herman
2008 Zoya Akulova

Chaenactis artemisiifolia    Artemisia leaved chaenactis,  White pincushion
native
Annual herb

ASTERACEAE

Chaenactis artemisiifolia Chaenactis artemisiifolia Chaenactis artemisiifolia
2003 Charles E. Jones
2014 Keir Morse
2019 Diane Etchison

Cistus creticus    Hairy rockrose
(currently Cistus incanus)
non-native
Shrub

CISTACEAE

Cistus creticus Cistus creticus Cistus creticus
2007 Luigi Rignanese
2013 Debra L. Cook
2018 Julian Geoghegan

Daucus pusillus    American wild carrot,  Rattlesnake weed
native
Annual herb

APIACEAE

Daucus pusillus Daucus pusillus Daucus pusillus
2019 Diane Etchison
2014 Gary McDonald
2014 Gary McDonald

Delphinium parryi    San bernardino larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium parryi Delphinium parryi Delphinium parryi
2019 Diane Etchison
2019 Diane Etchison
2002 Lynn Watson

Filago gallica    Narrowleaf cottonrose
(currently Logfia gallica)
non-native
Annual herb

ASTERACEAE

Filago gallica Filago gallica Filago gallica
2013 Keir Morse
2013 Keir Morse
2017 Barbara Boethling

Lotus argophyllus    Silver birds foot trefoil
(currently Acmispon argophyllus)
native
Perennial herb

FABACEAE

Lotus argophyllus Lotus argophyllus Lotus argophyllus
2002 Steve Tyron
2019 dora black
2019 Bonnie Nickel

Silene multinervia    Fire following campion
(currently Silene coniflora)
non-native
Annual herb

CARYOPHYLLACEAE

Silene multinervia Silene multinervia Silene multinervia
2015 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff

Washingtonia robusta    Mexican fan palm
invasive non-native
Tree

ARECACEAE

Washingtonia robusta Washingtonia robusta Washingtonia robusta
2018 Erin Andreatta
2015 Zoya Akulova
2018 James Bailey

Yucca whipplei    Chaparral yucca
(currently Hesperoyucca whipplei)
native
Shrub

AGAVACEAE

Yucca whipplei Yucca whipplei Yucca whipplei
2016 John Doyen
2019 Matt Berger
2018 Ali Sykes

Amorpha californica    California false indigo,  False indigo,  Mock locust
native
Shrub

FABACEAE

Amorpha californica Amorpha californica Amorpha californica
2011 Jorg & Mimi Fleige
2019 Ron Vanderhoff
2015 Keir Morse

Brassica nigra    Black mustard
invasive non-native
Annual herb

BRASSICACEAE

Brassica nigra Brassica nigra Brassica nigra
2011 Jorg & Mimi Fleige
2009 Barry Breckling
2009 Zoya Akulova

Chorizanthe staticoides    Turkish rugging
native
Annual herb

POLYGONACEAE

Chorizanthe staticoides Chorizanthe staticoides Chorizanthe staticoides
2019 Diane Etchison
2019 Bryant Baker
2019 Ron Vanderhoff

Clarkia purpurea    Purple clarkia,  Winecup clarkia
native
Annual herb

ONAGRACEAE

Clarkia purpurea Clarkia purpurea Clarkia purpurea
2017 Gary Morgret
2018 Elinor Gates
2018 Elinor Gates

Delphinium cardinale    Scarlet larkspur
native
Perennial herb

RANUNCULACEAE

Delphinium cardinale Delphinium cardinale Delphinium cardinale
2019 Ron Vanderhoff
2019 Diane Etchison
2018 Ron Vanderhoff

Lotus purshianus    American bird's foot trefoil,  Spanish lotus
(currently Acmispon americanus)
native
Annual herb

FABACEAE

Lotus purshianus Lotus purshianus Lotus purshianus
2019 Matt Berger
2019 Rachelle Gray
2019 Julie Kierstead Nelson

Malacothamnus fasciculatus    Chaparral bush mallow
native
Shrub

MALVACEAE

Malacothamnus fasciculatus Malacothamnus fasciculatus Malacothamnus fasciculatus
2016 Keir Morse
2018 Keir Morse
2016 Keir Morse

Malacothrix clevelandii    Cleveland's dandelion,  Cleveland's desertdandelion,  Cleveland's malacothrix
native
Annual herb

ASTERACEAE

Malacothrix clevelandii Malacothrix clevelandii Malacothrix clevelandii
2008 Keir Morse
2011 Neal Kramer
2009 Robert Steers

Rafinesquia californica    California chicory,  California plumseed
native
Annual herb

ASTERACEAE

Rafinesquia californica Rafinesquia californica Rafinesquia californica
2017 Amy Rapport
2018 Adam Chasey
2018 Aaron Echols

Salvia apiana    White sage
native
Shrub

LAMIACEAE

Salvia apiana Salvia apiana Salvia apiana
2002 Lynn Watson
2019 Hannah Garcia
2018 Rachelle Gray

Salvia leucophylla    San luis purple sage
native
Shrub

LAMIACEAE

Salvia leucophylla Salvia leucophylla Salvia leucophylla
2015 Steven M Norris
2016 John Doyen
2019 Janith Johnson

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

ASTERACEAE

Silybum marianum Silybum marianum Silybum marianum
2018 Nancy Hamlett
2006 Dr. Amadej Trnkoczy
2009 Barry Rice

Sisymbrium officinale    Hedge mustard,  Hedgemustard
non-native
Annual herb

BRASSICACEAE

Sisymbrium officinale Sisymbrium officinale Sisymbrium officinale
2008 Keir Morse
2013 Neal Kramer
2006 Luigi Rignanese

Achillea millefolium    Common yarrow
native
Perennial herb

ASTERACEAE

Achillea millefolium Achillea millefolium Achillea millefolium
2017 Diane Etchison
2018 Gary McDonald
2019 Margot Cunningham

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

ASTERACEAE

Centaurea melitensis Centaurea melitensis Centaurea melitensis
2019 Ron Vanderhoff
2019 Arlee Montalvo
2012 Gary McDonald

Conium maculatum    Poison hemlock
invasive non-native
Perennial herb

APIACEAE

Conium maculatum Conium maculatum Conium maculatum
2008 Keir Morse
2016 Cynthia Powell
2019 Ron Vanderhoff

Eriogonum fasciculatum    California buckwheat,  Eastern mojave buckwheat
native
Shrub

POLYGONACEAE

Eriogonum fasciculatum Eriogonum fasciculatum Eriogonum fasciculatum
2018 Diane Etchison
2005 Michael W. Tuma
2019 Ron Vanderhoff

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

ASTERACEAE

Artemisia californica Artemisia californica Artemisia californica
2019 Diane Etchison
2018 James Gonsman
2003 Margo Bors

Melilotus indicus    Annual yellow sweetclover
non-native
Annual herb

FABACEAE

Melilotus indicus Melilotus indicus Melilotus indicus
2013 Debra L. Cook
2009 Neal Kramer
2005 Cheri Miller

Isocoma menziesii    Menzies' goldenbush,  White flowered goldenbush
native
Shrub

ASTERACEAE

Isocoma menziesii Isocoma menziesii Isocoma menziesii
2011 Chris Winchell
2003 Michelle Cloud-Hughes
2007 Lynn Watson

Typha latifolia    Broadleaf cattail,  Common cattail,  Soft flag
native
Perennial herb (aquatic)

TYPHACEAE

Typha latifolia Typha latifolia Typha latifolia
2007 Neal Kramer
2004 Steve Matson
2015 Keir Morse

Calochortus clavatus    Club haired mariposa,  Clubhair mariposa lily
native
Perennial herb

LILIACEAE

Calochortus clavatus Calochortus clavatus Calochortus clavatus
2019 Bryant Baker
2019 Cynthia Griffin
2019 Cynthia Griffin

Calochortus plummerae    Plummer's mariposa lily
native
Perennial herb (bulb)

LILIACEAE

Calochortus plummerae Calochortus plummerae Calochortus plummerae
2017 Tim Miller
2017 Wendy Walker
2019 John L. Thompson

Cirsium occidentale    Cobweb thistle,  Western thistle
native
Perennial herb

ASTERACEAE

Cirsium occidentale Cirsium occidentale Cirsium occidentale
2018 Stacie Wolny
2019 Ron Vanderhoff
2019 Patrick Furtado

Dudleya lanceolata    Lanceleaf liveforever,  Southern california dudleya
native
Perennial herb

CRASSULACEAE

Dudleya lanceolata Dudleya lanceolata Dudleya lanceolata
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff

Penstemon heterophyllus    Bunchleaf penstemon,  Foothill penstemon
native
Perennial herb

PLANTAGINACEAE

Penstemon heterophyllus Penstemon heterophyllus Penstemon heterophyllus
2006 Matt Below
2007 Lynn Watson
2019 Paul Aigner

Chlorogalum pomeridianum    Amole,  Soap plant,  Soaproot
native
Perennial herb

AGAVACEAE

Chlorogalum pomeridianum Chlorogalum pomeridianum Chlorogalum pomeridianum
2019 Patrick Furtado
2018 Karen Scheuermann
2019 Diane Etchison

Leymus condensatus    Giant wild rye
(currently Elymus condensatus)
native
Perennial grass

POACEAE

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

Lonicera subspicata    Southern honeysuckle
native
Shrub

CAPRIFOLIACEAE

Lonicera subspicata Lonicera subspicata Lonicera subspicata
2005 Palos Verdes Peninsula Land Conservancy
2011 Jean Pawek
2003 Michael Charters

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare Marrubium vulgare Marrubium vulgare
2019 Aaron Echols
2013 Gary McDonald
2013 Gary McDonald

Phacelia ramosissima    Branching phacelia
native
Perennial herb

BORAGINACEAE

Phacelia ramosissima Phacelia ramosissima Phacelia ramosissima
2011 Neal Kramer
2011 Neal Kramer
2005 Steve Matson

Cyperus eragrostis    Tall cyperus,  Tall flatsedge
native
Perennial grasslike herb

CYPERACEAE

Cyperus eragrostis Cyperus eragrostis Cyperus eragrostis
2017 Gary McDonald
2017 Gary McDonald
2012 Neal Kramer

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

APIACEAE

Foeniculum vulgare Foeniculum vulgare Foeniculum vulgare
2019 Nicole Leatherman
2019 Ron Vanderhoff
2019 Matt Weston

Helianthus gracilentus    Slender sunflower
native
Perennial herb

ASTERACEAE

Helianthus gracilentus Helianthus gracilentus Helianthus gracilentus
2019 David Greenberger
2002 Charles E. Jones
2009 Thomas Stoughton

Gnaphalium stramineum    Cottonbatting plant
(currently Pseudognaphalium stramineum)
native
Perennial herb

ASTERACEAE

Gnaphalium stramineum Gnaphalium stramineum Gnaphalium stramineum
2017 Diane Etchison
2019 Patrick Furtado
2018 Cynthia Powell

Hemizonia fasciculata    Clustered tarweed
(currently Deinandra fasciculata)
native
Annual herb

ASTERACEAE

Hemizonia fasciculata Hemizonia fasciculata Hemizonia fasciculata
2018 Diane Etchison
2019 Diane Etchison
2018 Rachelle Gray

Acourtia microcephala    Sacapellote
native
Perennial herb

ASTERACEAE

Acourtia microcephala Acourtia microcephala Acourtia microcephala
2013 Keir Morse
2014 Diane Etchison
2013 Keir Morse

Adenostoma fasciculatum    Chamise
native
Tree, Shrub

ROSACEAE

Adenostoma fasciculatum Adenostoma fasciculatum Adenostoma fasciculatum
2008 Thomas Stoughton
2017 Aaron Echols
2014 Garth Wadsworth

Helianthus annuus    Common sunflower,  Hairy leaved sunflower,  Sunflower
native
Annual herb

ASTERACEAE

Helianthus annuus Helianthus annuus Helianthus annuus
2019 Laura Moon
2017 Kristin Sabo
2019 Laura Moon

Heteromeles arbutifolia    Christmas berry,  Toyon
native
Shrub

ROSACEAE

Heteromeles arbutifolia Heteromeles arbutifolia Heteromeles arbutifolia
2017 Gary McDonald
2017 Gary McDonald
2004 George W. Hartwell

Rhamnus californica    California coffeeberry
(currently Frangula californica)
native
Shrub

RHAMNACEAE

Rhamnus californica Rhamnus californica Rhamnus californica
2018 Debra L. Cook
2001 Lynn Overtree
2008 Neal Kramer

Asclepias fascicularis    Mexican whorled milkweed,  Narrow leaf milkweed
native
Perennial herb

APOCYNACEAE

Asclepias fascicularis Asclepias fascicularis Asclepias fascicularis
2018 Ron Vanderhoff
2019 Patrick Furtado
2016 Glen Schneider

Clarkia unguiculata    Elegant clarkia,  Mountain garland,  Woodland clarkia
native
Annual herb

ONAGRACEAE

Clarkia unguiculata Clarkia unguiculata Clarkia unguiculata
2019 David Greenberger
2019 Bryant Baker
2007 Neal Kramer

Conyza canadensis    Canada horseweed
(currently Erigeron canadensis)
native
Annual herb

ASTERACEAE

Conyza canadensis Conyza canadensis Conyza canadensis
2005 Luigi Rignanese
2018 Matthew Chaney
2016 John Doyen

Gnaphalium canescens    Wright's cudweed
(currently Pseudognaphalium canescens)
native
Perennial herb

ASTERACEAE

Gnaphalium canescens Gnaphalium canescens Gnaphalium canescens
2005 Laura Ann Eliassen
2005 Keir Morse
2010 Gary A. Monroe

Lessingia filaginifolia    Common sandaster
(currently Corethrogyne filaginifolia)
native
Perennial herb

ASTERACEAE

Lessingia filaginifolia Lessingia filaginifolia Lessingia filaginifolia
2019 Bonnie Nickel
2018 Ron Vanderhoff
2019 Diane Etchison

Malacothrix saxatilis    Cliff aster,  Cliff desertdandelion
native
Perennial herb

ASTERACEAE

Malacothrix saxatilis Malacothrix saxatilis Malacothrix saxatilis
2019 Marisa Persaud
2019 Sarah Raskin
2002 Lynn Watson

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

BORAGINACEAE

Cryptantha micromeres Cryptantha micromeres Cryptantha micromeres
2009 Neal Kramer
2011 Steve Matson
2009 Neal Kramer

Salsola tragus    Prickly russian thistle,  Russianthistle,  Tumbleweed
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola tragus Salsola tragus Salsola tragus
2016 John Doyen
2017 Ron Vanderhoff
2016 Steven Thorsted

Stephanomeria virgata    Rod wirelettuce,  Tall stephanomeria,  Twiggy wreath plant
native
Annual herb

ASTERACEAE

Stephanomeria virgata Stephanomeria virgata Stephanomeria virgata
2010 Steven Thorsted
2009 Zoya Akulova
2008 Neal Kramer

Xanthium strumarium    Rough cockleburr
native
Annual herb

ASTERACEAE

Xanthium strumarium Xanthium strumarium Xanthium strumarium
2008 John Dittes
2014 Neal Kramer
2018 Ron Vanderhoff

Ambrosia psilostachya    Ragweed,  Western ragweed
native
Perennial herb

ASTERACEAE

Ambrosia psilostachya Ambrosia psilostachya Ambrosia psilostachya
2014 Richard Spellenberg
2011 Aaron Arthur
2011 Aaron Arthur

Hemizonia minthornii    Santa susana tarplant
(currently Deinandra minthornii)
native
Shrub

ASTERACEAE

Hemizonia minthornii Hemizonia minthornii Hemizonia minthornii
2007 Hartmut Wisch
2005 Hartmut Wisch
2005 Hartmut Wisch

Epilobium canum    California fuchsia,  Hummingbird trumpet,  zauschneria
native
Perennial herb

ONAGRACEAE

Epilobium canum Epilobium canum Epilobium canum
2018 Ron Vanderhoff
2014 Richard Chasey
2018 Mary Conway

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

ASTERACEAE

Brickellia californica Brickellia californica Brickellia californica
2005 James M. Andre
2008 John Dittes
2011 Robert A. Hamilton

Eriogonum elongatum    Longstem buckwheat
native
Perennial herb

POLYGONACEAE

Eriogonum elongatum Eriogonum elongatum Eriogonum elongatum
2007 Neal Kramer
2005 Adonis (Don) Tate
2007 Neal Kramer

Baccharis pilularis    Coyote brush,  Dwarf chaparral broom
native
Shrub

ASTERACEAE

Baccharis pilularis Baccharis pilularis Baccharis pilularis
2018 Cynthia Powell
2007 Neal Kramer
2008 Gary McDonald

Alnus rhombifolia    White alder
native
Tree

BETULACEAE

Alnus rhombifolia Alnus rhombifolia Alnus rhombifolia
2006 Deborah Leonard
2008 Zoya Akulova
2009 Ryan Gilmore

Ribes malvaceum    Chaparral currant
native
Shrub

GROSSULARIACEAE

Ribes malvaceum Ribes malvaceum Ribes malvaceum
2007 Ricky Grubb
2009 Neal Kramer
2018 Sue Graue

Mirabilis californica    California four o'clock
(currently Mirabilis laevis var. crassifolia)
native
Perennial herb

NYCTAGINACEAE

Mirabilis californica Mirabilis californica Mirabilis californica
2018 Ron Vanderhoff
2017 Thomas Egan
2010 Thomas Stoughton