Bay Area Early Detection Weeds
logo Calflora Illustrated Plant List 

Bay Area Early Detection Network: early detection target weeds in the Bay Area. Compiled by Mike Perlmutter @ 2012 with help from Andrea Williams and many others.
73 PLANTS
Acacia paradoxa    Kangaroo thorn
invasive non-native
Shrub

FABACEAE

Acacia paradoxa Acacia paradoxa Acacia paradoxa
2011 Eric Wrubel
2001 CDFA
2001 CDFA

Acaena novae-zelandiae    Biddy biddy
invasive non-native
Shrub (stem succulent)

ROSACEAE

Acaena novae-zelandiae Acaena novae-zelandiae Acaena novae-zelandiae
2001 CDFA
2001 CDFA
2001 CDFA

Achnatherum brachychaetum    Puna needle grass
(currently Stipa brachychaeta)
non-native
Perennial grass

POACEAE

Achnatherum brachychaetum Achnatherum brachychaetum Achnatherum brachychaetum
2001 CDFA
2001 CDFA
2001 CDFA

Aegilops triuncialis    Barbed goatgrass
invasive non-native
Annual grass

POACEAE

Aegilops triuncialis Aegilops triuncialis Aegilops triuncialis
2007 Neal Kramer
2001 Joe DiTomaso
2005 Steve Matson

Ambrosia trifida    Giant ragweed
invasive non-native
Annual herb

ASTERACEAE

Ambrosia trifida Ambrosia trifida Ambrosia trifida
2015 Richard Spellenberg
2008 Louis-M. Landry
2010 Jean Pawek

Araujia sericifera    Bladderflower
non-native
Perennial herb, Vine

APOCYNACEAE

Araujia sericifera Araujia sericifera Araujia sericifera
2015 Ron Vanderhoff
2006 Stanley Spencer
2006 Stanley Spencer

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

ASTERACEAE

Arctotheca calendula Arctotheca calendula Arctotheca calendula
2009 Doreen L. Smith
2011 Robert Steers/NPS
2009 Zoya Akulova

Arrhenatherum elatius    Tall oatgrass
non-native
Perennial grass

POACEAE

Arrhenatherum elatius Arrhenatherum elatius Arrhenatherum elatius
2010 National Park Service
2003 Craig Smith
2013 Trent M. Draper

Asparagus asparagoides    African asparagus fern
invasive non-native
Vine

ASPARAGACEAE

Asparagus asparagoides Asparagus asparagoides Asparagus asparagoides
2011 P.Roullard
2012 Jean Pawek
2011 P.Roullard

Asphodelus fistulosus    Asphodel,  Onionweed
invasive non-native
Perennial herb

ASPHODELACEAE

Asphodelus fistulosus Asphodelus fistulosus Asphodelus fistulosus
2007 Pasi Rein
2007 Luigi Rignanese
2005 Luigi Rignanese

Brachypodium sylvaticum    Slender false brome
invasive non-native
Perennial grass

POACEAE

Brachypodium sylvaticum Brachypodium sylvaticum Brachypodium sylvaticum
2008 Keir Morse
2014 Scot Loring
2014 Scot Loring

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

SCROPHULARIACEAE

Buddleja davidii Buddleja davidii Buddleja davidii
2007 Louis-M. Landry
2011 Michael O'Brien
2011 Mike Perlmutter

Cardaria pubescens    Hairy whitetop
(currently Lepidium appelianum)
invasive non-native
Perennial herb

BRASSICACEAE

Cardaria pubescens Cardaria pubescens Cardaria pubescens
2001 Jeff Abbas
2001 Jeff Abbas
2011 Neal Kramer

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

ASTERACEAE

Carduus acanthoides Carduus acanthoides Carduus acanthoides
2001 CDFA
2010 Dr.Thomas K. Voekler
2001 CDFA

Carex pendula    Hanging sedge
non-native
Perennial grasslike herb

CYPERACEAE

Carex pendula Carex pendula Carex pendula
2009 Dean Wm. Taylor, Ph.D.
2013 Robert Steers/NPS
2011 Mike Perlmutter

Carthamus leucocaulos    White stemmed distaff thistle,  Whitestem distaff thistle
invasive non-native
Annual herb

ASTERACEAE

Carthamus leucocaulos Carthamus leucocaulos
2001 CDFA
2001 CDFA

Centaurea diffusa    Diffuse knapweed,  White knapweed
invasive non-native
Perennial herb

ASTERACEAE

Centaurea diffusa Centaurea diffusa Centaurea diffusa
2001 CDFA
2002 Molly Elizabeth Bagley
2001 CDFA

Centaurea iberica    Iberian knapweed
invasive non-native
Perennial herb

ASTERACEAE

Centaurea iberica Centaurea iberica Centaurea iberica
2001 CDFA
2001 CDFA
2001 CDFA

Centaurea maculosa    Spotted knapweed
(currently Centaurea stoebe ssp. micranthos)
invasive non-native
Perennial herb

ASTERACEAE

Centaurea maculosa Centaurea maculosa Centaurea maculosa
2005 Louis-M. Landry
2012 Zoya Akulova
2012 Zoya Akulova

Centaurea repens    Russian knapweed
(currently Acroptilon repens)
invasive non-native
Perennial herb

ASTERACEAE

Centaurea repens Centaurea repens Centaurea repens
2009 Ron Wolf
2008 John Dittes
2001 CDFA

Centaurea sulphurea    Sicilian star thistle,  Sulphur knapweed
invasive non-native
Annual herb

ASTERACEAE

Centaurea sulphurea Centaurea sulphurea Centaurea sulphurea
2001 CDFA
2001 CDFA
2001 CDFA

Cestrum parqui    Chilean jessamine
invasive non-native
Tree

SOLANACEAE

Cestrum parqui Cestrum parqui Cestrum parqui
2011 Eric Wrubel
2007 Zoya Akulova
2011 Eric Wrubel/NPS

Chondrilla juncea    Hogbite,  Skeleton weed
invasive non-native
Perennial herb

ASTERACEAE

Chondrilla juncea Chondrilla juncea Chondrilla juncea
2006 Luigi Rignanese
2006 Luigi Rignanese
2001 CDFA

Cirsium undulatum    Wavy leaved thistle,  Wavyleaf thistle
invasive non-native
Perennial herb

ASTERACEAE

Cirsium undulatum Cirsium undulatum Cirsium undulatum
2008 Neal Kramer
2010 Lee Dittmann
2010 Lee Dittmann

Coprosma repens    Creeping mirrorplant
non-native
Shrub

RUBIACEAE

Coprosma repens
2011 Dean Wm. Taylor, Ph.D.

Crupina vulgaris    Bearded creeper,  Common crupina
invasive non-native
Annual herb

ASTERACEAE

Crupina vulgaris Crupina vulgaris Crupina vulgaris
2001 CDFA
2001 CDFA
2001 CDFA

Cuscuta japonica    Japanese dodder
invasive non-native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cuscuta japonica Cuscuta japonica Cuscuta japonica
2009 Barry Rice
2009 Barry Rice
2006 No copyright; distribute and reproduce freely

Cytisus striatus    Portuguese broom,  Striated broom
invasive non-native
Shrub

FABACEAE

Cytisus striatus Cytisus striatus Cytisus striatus
2011 Vernon Smith
2011 Eric Wrubel, NPS
2011 Eric Wrubel/NPS

Danthonia pilosa    Purple awned wallaby gras
(currently Rytidosperma penicillatum)
invasive non-native
Perennial grass

POACEAE

Danthonia pilosa Danthonia pilosa Danthonia pilosa
2010 Robert Steers/NPS
2009 Zoya Akulova
2010 Robert Steers/NPS

Echium plantagineum    Salvation echium,  Salvation jane,  Viper's bugloss
non-native
Annual, Perennial herb

BORAGINACEAE

Echium plantagineum Echium plantagineum
2005 Luigi Rignanese
2006 Luigi Rignanese

Euphorbia esula    Leafy spurge
(currently Euphorbia virgata)
non-native
Perennial herb

EUPHORBIACEAE

Euphorbia esula Euphorbia esula Euphorbia esula
2001 CDFA
© 2001 CDFA
2001 CDFA

Euphorbia terracina    Geraldton carnation weed
invasive non-native
Perennial herb

EUPHORBIACEAE

Euphorbia terracina Euphorbia terracina Euphorbia terracina
2007 Luigi Rignanese
2007 Luigi Rignanese
2011 Michael O'Brien

Festuca pratensis    Meadow fescue
non-native
Perennial grass

POACEAE

Festuca pratensis Festuca pratensis Festuca pratensis
2012 Al Keuter
2008 Steve Matson
2012 Al Keuter

Gaura drummondii    Drummond's gaura
(currently Oenothera xenogaura)
non-native
Perennial herb

ONAGRACEAE

Gaura drummondii
© 2001 CDFA

Gaura sinuata    Wavy-leaved gaura
(currently Oenothera sinuosa)
non-native
Perennial herb

ONAGRACEAE

Gaura sinuata Gaura sinuata Gaura sinuata
2009 Vince Scheidt
2001 CDFA
2001 CDFA

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

ASTERACEAE

Gazania linearis Gazania linearis Gazania linearis
2015 Richard Spellenberg
2015 Richard Spellenberg
2002 Tony Morosco

Gunnera tinctoria    Chilean gunnera
non-native
Perennial herb (aquatic)

GUNNERACEAE

Gunnera tinctoria Gunnera tinctoria Gunnera tinctoria
2013 Richard Spellenberg
2010 Zoya Akulova
2013 Richard Spellenberg

Halimodendron halodendron    Common salttree,  Russian salt tree
invasive non-native
Shrub

FABACEAE

Halimodendron halodendron Halimodendron halodendron Halimodendron halodendron
2001 CDFA
2001 CDFA
2001 CDFA

Helichrysum petiolare    Licorice plant
invasive non-native
Shrub, Vine

ASTERACEAE

Helichrysum petiolare Helichrysum petiolare Helichrysum petiolare
2015 Nicholas Stevenson
2011 Daniel Gluesenkamp
2011 Daniel Gluesenkamp

Hypericum canariense    Canary island st. johnswort
invasive non-native
Shrub

HYPERICACEAE

Hypericum canariense Hypericum canariense Hypericum canariense
2007 Neal Kramer
2008 John Dittes
2011 Neal Kramer

Isatis tinctoria    Dyer's woad,  Dyers woad
invasive non-native
Biennial, Perennial herb

BRASSICACEAE

Isatis tinctoria Isatis tinctoria Isatis tinctoria
2005 Luigi Rignanese
2009 Neal Kramer
2007 Luigi Rignanese

Lepidium campestre    Cow cress,  English pepper grass,  Field pepper grass
non-native
Annual, Perennial herb

BRASSICACEAE

Lepidium campestre Lepidium campestre Lepidium campestre
2008 Keir Morse
2008 Keir Morse
2008 Keir Morse

Ligustrum lucidum    Glossy privet
invasive non-native
Tree, Shrub

OLEACEAE

Ligustrum lucidum Ligustrum lucidum Ligustrum lucidum
2012 Ron Vanderhoff
2011 Eric Wrubel, NPS
Eric Wrubel, NPS

Ligustrum ovalifolium    California privet
non-native
Tree, Shrub

OLEACEAE

Ligustrum ovalifolium Ligustrum ovalifolium Ligustrum ovalifolium
2005 Luigi Rignanese
2015 Neal Kramer
2015 Neal Kramer

Limonium ramosissimum    Algerian sealavender
non-native
Perennial herb

PLUMBAGINACEAE

Limonium ramosissimum Limonium ramosissimum Limonium ramosissimum
2007 Brad Kelley
2011 Mike Perlmutter
2011 CNPS, San Luis Obispo Chapter

Linaria genistifolia ssp. dalmatica    Dalmatian toadflax
(currently Linaria dalmatica ssp. dalmatica)
non-native
Perennial herb

PLANTAGINACEAE

Linaria genistifolia ssp. dalmatica Linaria genistifolia ssp. dalmatica Linaria genistifolia ssp. dalmatica
2006 Steven Thorsted
2001 CDFA
2001 CDFA

Linaria vulgaris    Butter and eggs
invasive non-native
Perennial herb

PLANTAGINACEAE

Linaria vulgaris Linaria vulgaris Linaria vulgaris
2006 Dr. Amadej Trnkoczy
2014 John Doyen
2013 Ron Wolf

Lonicera japonica    Japanese honeysuckle
non-native
Vine, Shrub

CAPRIFOLIACEAE

Lonicera japonica Lonicera japonica Lonicera japonica
2008 Neal Kramer
2005 Lisa Powers
2009 Neal Kramer

Lythrum salicaria    Purple loosestrife
invasive non-native
Perennial herb

LYTHRACEAE

Lythrum salicaria Lythrum salicaria Lythrum salicaria
2005 Louis-M. Landry
2005 Louis-M. Landry
2007 Louis-M. Landry

Nassella formicarum    Andean tussockgrass
(currently Stipa manicata)
invasive non-native
Perennial grass

POACEAE

Nassella formicarum Nassella formicarum
2011 Eric Wrubel, NPS
2011 Eric Wrubel, NPS

Nassella tenuissima    Finestem needlegrass,  Mexican feathergrass
non-native
Perennial grass

POACEAE

Nassella tenuissima Nassella tenuissima Nassella tenuissima
2015 Neal Kramer
2010 Michael O'Brien
2010 Adonis (Don) Tate

Onopordum acanthium    Scotch cottonthistle
invasive non-native
Perennial herb

ASTERACEAE

Onopordum acanthium Onopordum acanthium Onopordum acanthium
2001 CDFA
2007 Louis-M. Landry
2007 Louis-M. Landry

Onopordum Illyricum    Illyrian cottonthistle,  Illyrian thistle
(currently Onopordum illyricum)
invasive non-native
Biennial herb

ASTERACEAE

Onopordum Illyricum Onopordum Illyricum Onopordum Illyricum
2005 Luigi Rignanese
2005 Luigi Rignanese
2005 Luigi Rignanese

Paspalum urvillei    Vasey's grass
non-native
Perennial grass

POACEAE

Paspalum urvillei Paspalum urvillei Paspalum urvillei
2006 Tom Cochrane
2006 Tom Cochrane
2006 Tom Cochrane

Polygonum aubertii    Bukhara fleeceflower
(currently Fallopia baldschuanica)
non-native
Vine

POLYGONACEAE


Polygonum cuspidatum    Japanese knotweed
(currently Fallopia japonica)
invasive non-native
Perennial herb

POLYGONACEAE

Polygonum cuspidatum Polygonum cuspidatum Polygonum cuspidatum
2006 Dr. Amadej Trnkoczy
2005 Louis-M. Landry
2011 Louis-M. Landry

Polygonum polystachyum    Himalayan knotweed
(currently Persicaria wallichii)
invasive non-native
Perennial herb

POLYGONACEAE

Polygonum polystachyum Polygonum polystachyum Polygonum polystachyum
2001 CDFA
2015 Phil Pullen
2015 Phil Pullen

Pyracantha coccinea    Scarlet firethorn
invasive non-native
Shrub

ROSACEAE

Pyracantha coccinea Pyracantha coccinea Pyracantha coccinea
2005 Luigi Rignanese
2005 Luigi Rignanese
W. I. Follett 2007 California Academy of Sciences

Pyracantha crenulata    Nepalese firethorn
invasive non-native
Shrub

ROSACEAE


Ricinus communis    Castor bean,  Castorbean
invasive non-native
Shrub

EUPHORBIACEAE

Ricinus communis Ricinus communis Ricinus communis
2005 George W. Hartwell
2005 Louis-M. Landry
2004 Joseph Dougherty/ecology.org

Rubus laciniatus    Cut leaved blackberry,  Cutleaf blackberry
non-native
Shrub

ROSACEAE

Rubus laciniatus Rubus laciniatus Rubus laciniatus
2009 Barry Breckling
2009 Zoya Akulova
2009 Zoya Akulova

Rumex dentatus    Toothed dock
non-native
Annual, Perennial herb

POLYGONACEAE

Rumex dentatus Rumex dentatus
2009 Zoya Akulova
2009 Zoya Akulova

Saccharum ravennae    Ravennagrass
invasive non-native
Perennial grass

POACEAE

Saccharum ravennae Saccharum ravennae Saccharum ravennae
2011 Mike Perlmutter 2011
2011 Steve Matson
2011 Steve Matson

Sapium sebiferum    Chinese tallowtree
(currently Triadica sebifera)
non-native
Tree

EUPHORBIACEAE

Sapium sebiferum Sapium sebiferum Sapium sebiferum
2005 Dwain Goforth
2009 Barry Rice
2009 Barry Rice

Scolymus hispanicus    Common goldenthistle,  Golden thistle
invasive non-native
Perennial herb

ASTERACEAE

Scolymus hispanicus Scolymus hispanicus
2004 Dr. Amadej Trnkoczy
2001 CDFA

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

ASTERACEAE

Senecio jacobaea Senecio jacobaea Senecio jacobaea
2014 Richard Spellenberg
2009 Phil Pullen
2009 Zoya Akulova

Senna multiglandulosa    Glandular cassia
non-native
Shrub

FABACEAE

Senna multiglandulosa Senna multiglandulosa Senna multiglandulosa
2011 Neal Kramer
2011 Neal Kramer
2011 Neal Kramer

Sesbania punicea    Rattlebox
invasive non-native
Shrub

FABACEAE

Sesbania punicea Sesbania punicea Sesbania punicea
2005 George W. Hartwell
2005 George W. Hartwell
2013 Jean Pawek

Solanum carolinense    Carolina horse nettle,  Carolina horsenettle
invasive non-native
Perennial herb

SOLANACEAE

Solanum carolinense Solanum carolinense Solanum carolinense
2001 CDFA
2008 Ron Thomas
2001 CDFA

Solanum rostratum    Buffalo berry,  Buffalobur nightshade
non-native
Annual herb

SOLANACEAE

Solanum rostratum Solanum rostratum Solanum rostratum
1999 Larry Blakely
2013 Debra L. Cook
2001 Larry Blakely

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

POACEAE

Spartina alterniflora Spartina alterniflora Spartina alterniflora
2009 Zoya Akulova
2009 Zoya Akulova
2009 Zoya Akulova

Spartina densiflora    Dense flowered cord grass,  Denseflower cordgrass
invasive non-native
Perennial grass

POACEAE

Spartina densiflora Spartina densiflora Spartina densiflora
2001 Joe DiTomaso
2001 Joe DiTomaso
2001 Joe DiTomaso

Spartina patens    Salt meadow cord grass,  Saltmeadow cordgrass
invasive non-native
Perennial grass

POACEAE

Spartina patens Spartina patens
2000 Joe DiTomaso
2011 Steve Matson