logo Calflora  Illustrated Plant List 

High priority invasive plant species for early detection in Point Reyes Natinoal Seashore. High priority species are typically not widespread in Point Reyes and/or are feasible to control in many places.
86 PLANTS
Acacia melanoxylon    Blackwood acacia
invasive non-native
Tree

FABACEAE

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

Aegilops triuncialis    Barbed goatgrass
invasive non-native
Annual grass

POACEAE

Aegilops triuncialis
2008 Steve Matson
Aegilops triuncialis
2008 Steve Matson
Aegilops triuncialis
2018 Scott Oneto

Ageratina adenophora    Sticky snakeroot,  Thoroughwort
invasive non-native
Perennial herb

ASTERACEAE

Ageratina adenophora
2019 Ron Vanderhoff
Ageratina adenophora
2017 Keir Morse
Ageratina adenophora
2021 Heather Brady DeQuincy

Albizia lophantha    Albizia,  Plume acacia,  Stink bean
non-native
Tree, Shrub

FABACEAE

Albizia lophantha
2020 Ron Vanderhoff
Albizia lophantha
2020 Ron Vanderhoff
Albizia lophantha
2020 Ron Vanderhoff

Alisma lanceolatum    Lanceleaf water plantain
non-native
Perennial herb (aquatic)

ALISMATACEAE

Alisma lanceolatum
2016 Jim Moore
Alisma lanceolatum
2022 R.A. Chasey
Alisma lanceolatum
2021 R.A. Chasey

Ammophila arenaria    Beachgrass,  European beach grass,  European beachgrass
invasive non-native
Perennial grass

POACEAE

Ammophila arenaria
2016 Steve Matson
Ammophila arenaria
2016 Steve Matson
Ammophila arenaria
2016 Steve Matson

Anthoxanthum odoratum    Sweet vernal grass,  Sweet vernalgrass
invasive non-native
Annual, Perennial grass

POACEAE

Anthoxanthum odoratum
2017 Steve Matson
Anthoxanthum odoratum
2017 Steve Matson
Anthoxanthum odoratum
2017 Steve Matson

Arctotheca calendula    Cape weed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Arctotheca calendula
2017 Derrick Mathews
Arctotheca calendula
2021 Patrick Hoffman
Arctotheca calendula
2016 Andrea Pickart

Arctotheca prostrata    prostrate cape weed,  creeping capeweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Arctotheca prostrata
2024 David Wolfson
Arctotheca prostrata
2020 Lenihan Mazur
Arctotheca prostrata
2021 David Wolfson

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2020 Jennifer Mo
Arundo donax
2018 Ron Vanderhoff

Berberis darwinii    Darwin's berberis
invasive non-native
Shrub

BERBERIDACEAE

Berberis darwinii
2018 Abbot Chambers
Berberis darwinii
2016 Greg O'Connell
Berberis darwinii
2022 David Strauch

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

Buddleja davidii    Butterfly bush,  Summer lilac
invasive non-native
Tree, Shrub

SCROPHULARIACEAE

Buddleja davidii
2021 Ron Vanderhoff
Buddleja davidii
2021 Ron Vanderhoff
Buddleja davidii
2021 Ron Vanderhoff

Cakile edentula    American searocket,  Sea rocket
non-native
Annual herb

BRASSICACEAE

Cakile edentula
2021 Friends of Five Creeks volunteers
Cakile edentula
2006 Louis-M. Landry
Cakile edentula
2010 Louis-M. Landry

Calendula arvensis    Field marigold
non-native
Annual herb

ASTERACEAE

Calendula arvensis
2017 MCOSD EDRR
Calendula arvensis
2018 David Wolfson
Calendula arvensis
2019 Stephany Dery

Carduus acanthoides    Plumeless thistle,  Spiny plumeless thistle
invasive non-native
Perennial herb

ASTERACEAE

Carduus acanthoides
2016 Catherine Talbot
Carduus acanthoides
2016 Catherine Talbot
Carduus acanthoides
2015 Catherine Talbot

Carex pendula    Hanging sedge
invasive non-native
Perennial grasslike herb

CYPERACEAE

Carex pendula
2015 Andrea Williams
Carex pendula
2022 Mitchell Blake
Carex pendula
2011 Michael Perlmutter

Carthamus lanatus    Woolly distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus lanatus
2019 Lenihan Mazur
Carthamus lanatus
2019 Danielle Carney
Carthamus lanatus
2019 Danielle Carney

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

ASTERACEAE

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

Centaurea iberica    Iberian knapweed
invasive non-native
Perennial herb

ASTERACEAE

Centaurea iberica
2016 Don Thomas
Centaurea iberica
2001 CDFA
Centaurea iberica
2001 CDFA

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

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

Conicosia pugioniformis    False ice plant,  Narrow leaved iceplant
invasive non-native
Perennial herb

AIZOACEAE

Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler
Conicosia pugioniformis
2022 Mike Russler

Cotoneaster franchetii    Cotoneaster,  Francheti cotoneaster,  Orange cotoneaster
invasive non-native
Shrub

ROSACEAE

Cotoneaster franchetii
2021 Cynthia Powell
Cotoneaster franchetii
2021 Lenihan Mazur
Cotoneaster franchetii
2019 Lenihan Mazur

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

Cytisus scoparius    Scotch broom,  Scotchbroom
invasive non-native
Shrub

FABACEAE

Cytisus scoparius
2016 Steve Matson
Cytisus scoparius
2016 Steve Matson
Cytisus scoparius
2016 Steve Matson

Datura stramonium    Jimson weed,  Jimsonweed
non-native
Annual herb

SOLANACEAE

Datura stramonium
2011 Steve Matson
Datura stramonium
2011 Steve Matson
Datura stramonium
2020 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

Dittrichia graveolens    Stinkwort
invasive non-native
Annual herb

ASTERACEAE

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

Echium candicans    Pride of madeira
invasive non-native
Shrub

BORAGINACEAE

Echium candicans
2019 Patrick Furtado
Echium candicans
2018 Ron Vanderhoff
Echium candicans
2012 Carl Spencer

Egeria densa    Brazilian water weed,  Brazilian waterweed
invasive non-native
Perennial herb

HYDROCHARITACEAE

Egeria densa
2011 Larry Norall
Egeria densa
2014 Richard Chasey
Egeria densa
2012 Gina Darin

Ehrharta calycina    Perennial veldt grass,  Perennial veldtgrass
invasive non-native
Perennial grass

POACEAE

Ehrharta calycina
2020 David Greenberger
Ehrharta calycina
2019 Ron Vanderhoff
Ehrharta calycina
2018 Ron Vanderhoff

Euphorbia oblongata    Eggleaf spurge
invasive non-native
Perennial herb

EUPHORBIACEAE

Euphorbia oblongata
2017 Gary McDonald
Euphorbia oblongata
2019 Randy Huey
Euphorbia oblongata
2017 Gary McDonald

Fallopia japonica    Japanese knotweed
invasive non-native
Perennial herb

POLYGONACEAE

Fallopia japonica
2021 Margot Cunningham
Fallopia japonica
2019 John Malpas
Fallopia japonica
2019 John Malpas

Genista monspessulana    French broom
invasive non-native
Shrub

FABACEAE

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

Geranium purpureum    little Robin
invasive non-native
Annual, Biennial herb

GERANIACEAE

Geranium purpureum
2020 Jennifer Mo
Geranium purpureum
2023 Al Keuter
Geranium purpureum
2019 Cynthia Powell

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

Glyceria declinata    Waxy mannagrass
invasive non-native
Perennial grass

POACEAE

Glyceria declinata
2021 David popp
Glyceria declinata
2016 Andrew Longman
Glyceria declinata
2022 David popp

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

Helichrysum petiolare    Licorice plant
invasive non-native
Shrub, Vine

ASTERACEAE

Helichrysum petiolare
2021 Elliot Gunnison
Helichrysum petiolare
2022 Mike Russler
Helichrysum petiolare
2022 Mike Russler

Hypericum grandifolium    malfurada
invasive non-native
Shrub

HYPERICACEAE

Hypericum grandifolium
2019 Jill Adams
Hypericum grandifolium
2018 Steven Cognac
Hypericum grandifolium
2018 Steven Cognac

Hypericum perforatum    Common st. johnswort,  Klamath weed,  Klamathweed
invasive non-native
Perennial herb

HYPERICACEAE

Hypericum perforatum
2020 Bob Sweatt
Hypericum perforatum
2018 stephen rosenthal
Hypericum perforatum
2020 Bob Sweatt

Ilex aquifolium    English holly,  Holly
invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Ilex aquifolium
2021 Cynthia Powell
Ilex aquifolium
2021 Donald Burk
Ilex aquifolium
2019 Tatiana Manzanillo

Iris pseudacorus    Horticultural iris,  Paleyellow iris,  Yellowflag iris
invasive non-native
Perennial herb

IRIDACEAE

Iris pseudacorus
2020 Ron Vanderhoff
Iris pseudacorus
2024 Ron Vanderhoff
Iris pseudacorus
2017 Nick Graver

Lamiastrum galeobdolon    Yellow archangel
non-native
Perennial herb

LAMIACEAE

Lamiastrum galeobdolon
2021 Donald Burk
Lamiastrum galeobdolon
2016 Ramona Robison
Lamiastrum galeobdolon
2007 Louis-M. Landry

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

Lepidium latifolium    Broad leaved pepper grass,  Broadleaved pepperweed,  Perennial pepperweed
invasive non-native
Perennial herb

BRASSICACEAE

Lepidium latifolium
2022 Donald Burk
Lepidium latifolium
2020 Ron Vanderhoff
Lepidium latifolium
2021 Michelle Karle

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

Ligustrum lucidum    Glossy privet
invasive non-native
Tree, Shrub

OLEACEAE

Ligustrum lucidum
2021 Alex Nikolaou
Ligustrum lucidum
2021 Ron Vanderhoff
Ligustrum lucidum
2017 Ron Vanderhoff

Ligustrum vulgare    European privet
non-native
Tree, Shrub

OLEACEAE

Ligustrum vulgare
2018 Sarah Inman
Ligustrum vulgare
2018 Ryan Diller
Ligustrum vulgare
2012 Dean Taylor

Limonium ramosissimum    Algerian sealavender
non-native
Perennial herb

PLUMBAGINACEAE

Limonium ramosissimum
2017 Ron Vanderhoff
Limonium ramosissimum
2015 Ron Vanderhoff
Limonium ramosissimum
2018 Ron Vanderhoff L. durusculum LEFT. L. ramosissimum RIGHT.

Linaria vulgaris    Butter and eggs
invasive non-native
Perennial herb

PLANTAGINACEAE

Linaria vulgaris
2020 Bob Sweatt
Linaria vulgaris
2020 Bob Sweatt
Linaria vulgaris
2019 Bob Sweatt

Ludwigia hexapetala    Ludwigia,  Six petal water primrose
invasive non-native
Perennial herb

ONAGRACEAE

Ludwigia hexapetala
2009 Keith Gagomiros
Ludwigia hexapetala
2021 Charles Russell
Ludwigia hexapetala
2019 Ron Vanderhoff

Ludwigia peploides ssp. montevedensis    Floating primrose willow,  Floating water primrose,  Marsh purslane
invasive non-native
Perennial herb

ONAGRACEAE

Ludwigia peploides ssp. montevedensis
2022 David Strauch
Ludwigia peploides ssp. montevedensis
2019 Lenihan Mazur
Ludwigia peploides ssp. montevedensis
2019 Patrick Furtado

Marrubium vulgare    White horehound
invasive non-native
Perennial herb

LAMIACEAE

Marrubium vulgare
2013 Gary McDonald
Marrubium vulgare
2015 Diane Etchison
Marrubium vulgare
2018 Nancy Hamlett

Maytenus boaria    Mayten
invasive non-native
Tree, Shrub

CELASTRACEAE

Maytenus boaria
2021 Julian Geoghegan
Maytenus boaria
2021 Julian Geoghegan
Maytenus boaria
2022 Jacob Martin

Myriophyllum aquaticum    Parrot feather watermilfoil,  Parrot's feather,  Parrotfeather
invasive non-native
Perennial herb (aquatic)

HALORAGACEAE

Myriophyllum aquaticum
2018 Sarah Inman
Myriophyllum aquaticum
2016 Ross Hinderer
Myriophyllum aquaticum
2019 Patrick Furtado

Myriophyllum spicatum    American milfoil,  Eurasian milfoil,  Spike watermilfoil
invasive non-native
Perennial herb

HALORAGACEAE

Myriophyllum spicatum
2020 Ron Vanderhoff
Myriophyllum spicatum
2020 Ron Vanderhoff
Myriophyllum spicatum
2020 Ron Vanderhoff

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

Paspalum dilatatum    Dallis grass,  Dallisgrass
non-native
Perennial grass

POACEAE

Paspalum dilatatum
2018 Ron Vanderhoff
Paspalum dilatatum
2017 Barbara Boethling
Paspalum dilatatum
2021 Ron Vanderhoff

Pennisetum clandestinum    Kikuyu grass,  Kikuyugrass
invasive non-native
Perennial grass

POACEAE

Pennisetum clandestinum
2020 Ron Vanderhoff
Pennisetum clandestinum
2020 Ron Vanderhoff
Pennisetum clandestinum
2017 Josh Nuzzo

Phalaris arundinacea    Reed canarygrass
native
Perennial grass

POACEAE

Phalaris arundinacea
2018 Michelle Forys
Phalaris arundinacea
2020 Donald Burk
Phalaris arundinacea
2022 Dianne Lake

Phalaris elongata    Kolea grass
invasive non-native
Perennial grass

POACEAE

Phalaris elongata
2018 Steven Cognac
Phalaris elongata
2018 Steven Cognac
Phalaris elongata
2018 Sarah Inman

Pittosporum undulatum    Australian cheesewood,  Victorian box
invasive non-native
Tree, Shrub

PITTOSPORACEAE

Pittosporum undulatum
2018 Ron Vanderhoff
Pittosporum undulatum
2017 UCSC Weed Management Group
Pittosporum undulatum
2018 Ron Vanderhoff

Rhamnus alaternus    Italian buckthorn
invasive non-native
Shrub

RHAMNACEAE

Rhamnus alaternus
2020 James Bailey
Rhamnus alaternus
2022 Ron Vanderhoff
Rhamnus alaternus
2022 Ron Vanderhoff

Acroptilon repens    Russian knapweed
non-native
Perennial herb

ASTERACEAE

Acroptilon repens
2017 Barbara Boethling
Acroptilon repens
2014 Steve Matson
Acroptilon repens
2017 Barbara Boethling

Robinia pseudoacacia    Black locust
invasive non-native
Tree

FABACEAE

Robinia pseudoacacia
2021 Ron Vanderhoff
Robinia pseudoacacia
2021 David Wolfson
Robinia pseudoacacia
2015 Ron Vanderhoff

Romulea rosea var. australis    Rosy sand crocus,  Rosy sandcrocus
non-native
Perennial herb

IRIDACEAE

Romulea rosea var. australis
2019 Janice Kuch
Romulea rosea var. australis
2022 Leah Lord
Romulea rosea var. australis
2018 Robin Hunter

Rubus discolor    Elmleaf blackberry
non-native
Vine, Shrub

ROSACEAE

Rubus discolor
2020 Jennifer Mo
Rubus discolor
2020 Jennifer Mo
Rubus discolor
2021 Ramona Robison

Rytidosperma penicillatum    Purple awned wallaby grass ,  Hairy oat grass,  Poverty grass
invasive non-native
Perennial grass

POACEAE

Rytidosperma penicillatum
2019 Eric Wrubel
Rytidosperma penicillatum
2014 Alex Beakes
Rytidosperma penicillatum
2018 Sarah Inman

Salsola soda    Alkali russian thistle,  Oppositeleaf russian thistle
invasive non-native
Annual herb

CHENOPODIACEAE

Salsola soda
2021 Jennifer Mo
Salsola soda
2022 Cynthia Powell
Salsola soda
2016 Cal-IPC

Senecio jacobaea    Stinking willie,  Tansy ragwort
invasive non-native
Perennial herb

ASTERACEAE

Senecio jacobaea
2022 Michael Weldon
Senecio jacobaea
2022 Michael Weldon
Senecio jacobaea
2018 Jennifer Mo

Solanum aviculare    New Zealand nightshade
invasive non-native
Shrub

SOLANACEAE

Solanum aviculare
2018 Ron Vanderhoff
Solanum aviculare
2017 Nick Graver
Solanum aviculare
2020 Claire Elliott

Spartina alterniflora    Salt water cord grass,  Smooth cordgrass
invasive non-native
Perennial grass

POACEAE

Spartina alterniflora
2014 Vertin Alvarez
Spartina alterniflora
2014 Vertin Alvarez
Spartina alterniflora
2009 Zoya Akulova

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

Stipa chaetophora    Stipoid ricegrass
non-native
Perennial grass

POACEAE

Stipa chaetophora
2017 Nick Graver
Stipa chaetophora
2017 Rachel Kesel
Stipa chaetophora
2017 Rachel Kesel

Stipa manicata    Andean tussockgrass
invasive non-native
Perennial grass

POACEAE

Stipa manicata
2015 Sarah Minnick
Stipa manicata
2018 Eric Wrubel
Stipa manicata
2011 Eric Wrubel, NPS

Stipa miliacea    Smilo grass
non-native
Perennial grass

POACEAE

Stipa miliacea
2021 Ron Vanderhoff
Stipa miliacea
2020 Ron Vanderhoff
Stipa miliacea
2022 Ron Vanderhoff

Stipa purpurata    Bristly needle grass
non-native
Perennial grass

POACEAE

Stipa purpurata
2017 Nick Graver
Stipa purpurata
2017 Nick Graver
Stipa purpurata
2001 CDFA

Nassella tenuissima    Mexican feathergrass
invasive non-native
Perennial grass

POACEAE

Nassella tenuissima
2015 Neal Kramer
Nassella tenuissima
2015 Neal Kramer
Nassella tenuissima
2016 Barbara Boethling

Tetragonia tetragonioides    New zealand spinach
invasive non-native
Annual herb

AIZOACEAE

Tetragonia tetragonioides
2017 James Bailey
Tetragonia tetragonioides
2022 David Strauch
Tetragonia tetragonioides
2009 Neal Kramer

Tradescantia fluminensis    Small leaf spiderwort
non-native
Perennial herb

COMMELINACEAE

Tradescantia fluminensis
2018 Amy Rapport
Tradescantia fluminensis
2016 David Greenberger
Tradescantia fluminensis
2022 stephany dery

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

Ulex europaeus    Common gorse
invasive non-native
Shrub

FABACEAE

Ulex europaeus
2021 Zoya Akulova-Barlow
Ulex europaeus
2022 Michelle Karle
Ulex europaeus
2021 Cleopatra Tuday

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

Xanthium spinosum    Spiny clotbur,  Spiny cockleburr
non-native
Annual herb

ASTERACEAE

Xanthium spinosum
2017 B.J. Dion
Xanthium spinosum
2021 Lynn Overtree
Xanthium spinosum
2017 B.J. Dion