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
© 2019 Patrick Furtado
Myriophyllum aquaticum
© 2016 Ross Hinderer
Myriophyllum aquaticum
© 2019 David popp

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,  Elm leaf blackberry
non-native
Vine, Shrub

ROSACEAE

Rubus discolor
© 2024 Donald Burk
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