Cal-IPC Pending Assessment List |
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| This list contains plants that are not yet listed on Cal-IPC's Inventory but have been reported spreading in California wildlands. Please add locations to Calflora and send information to Jutta Burger, jburger@cal-ipc.org |
| 333 PLANTS |
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Aeonium spp.
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Erica caniculata
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Rubus laciatus
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Mercurialis ambigua
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Roldana petasites
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Ceratophyllum submersum
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Watsonia borbonica
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Zoysia spp
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Passiflora tripartita
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Chamaecytisus palmensis
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Ensenbeckia flava
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Acacia baileyana Bailey acacia, Cootamundra wattle
• invasive non-native
Tree, Shrub  2002 Dean Wm. Taylor
 2016 Zoya Akulova
 2012 Jorg & Mimi Fleige
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Acacia cyclops Coastal wattle, Cyclops acacia
• invasive non-native
Shrub  2018 Ron Vanderhoff
 2017 Ron Vanderhoff
 2021 Ron Vanderhoff
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Acacia longifolia Sydney golden wattle
non-native
Tree  2017 MCOSD EDRR
 2019 Patrick Furtado
 2019 Patrick Furtado
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Acacia paradoxa Kangaroo thorn
• invasive non-native
Shrub  2011 Eric Wrubel
 2011 Eric Wrubel
 2001 CDFA
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Acacia pycnantha Golden wattle
• invasive non-native
Tree, Shrub  2005 Ken Harris
 2016 Barbara Boethling
 2017 Ron Vanderhoff
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Acacia redolens Bank catclaw
non-native
Tree, Shrub  © 2017 Ron Vanderhoff
 2018 michelle peruzzi
 2017 Ron Vanderhoff
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Acaena novae-zelandiae Biddy biddy
• invasive non-native
Shrub (stem succulent)  2013 Ramona Robison
 2018 Hayley Ross
 2018 Hayley Ross
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Aegilops cylindrica Jointed goat grass, Jointed goatgrass
• invasive non-native
Annual grass  2021 Aleksandra Evert
 2014 Al Keuter
 2009 Miriam Sachs Martin
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Aeschynomene rudis Red aeschynomene, Zigzag jointvetch
• invasive non-native
Annual, Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
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Agrostis capillaris Colonial bentgrass
non-native
Perennial grass  2009 Zoya Akulova
 2005 Steve Matson
 2005 Steve Matson
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Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass  2011 Barry Breckling
 2011 Barry Breckling
 2005 Steve Matson
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Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2020 Matt Berger
 2017 Gary McDonald
 2005 Steve Matson
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Aira praecox Yellow hairgrass
• invasive non-native
Annual grass  2010 National Park Service
 2018 Ken Hickman
 2009 Zoya Akulova
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Albizia lophantha Albizia, Plume acacia, Stink bean
• invasive non-native
Tree, Shrub  2002 Dean Wm. Taylor
 2008 Neal Kramer
 2018 Nicole Leatherman
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Alliaria petiolata Garlic mustard
non-native
Annual, Biennial herb  2016 Keir Morse
 2007 François Meignant
 2021 Duncan S. Bell
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Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion
• invasive non-native
Perennial herb (bulb)  2019 Adam Chasey
 2018 Ken Lunders
 2019 Randy Huey
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Alopecurus pratensis Meadow foxtail
• invasive non-native
Perennial grass  2015 David Greenberger
 2007 Louis-M. Landry
 2007 Louis-M. Landry
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Alyssum murale yellowtuft
non-native
Annual herb  2008 Carri Pirosko
 2011 Carri Pirosko
 2008 Carri Pirosko
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Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth
non-native
Annual herb  2007 Neal Kramer
 2007 Neal Kramer
 2008 Louis-M. Landry
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Ambrosia trifida Giant ragweed
• invasive non-native
Annual herb  2015 Richard Spellenberg
 2008 Louis-M. Landry
 2010 Jean Pawek
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Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb  2007 Neal Kramer
 2019 Dave Beller
 2017 Diane Etchison
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Anthriscus caucalis Bur chervil, Bur chevril
non-native
Annual herb, Vine  2017 Diane Etchison
 2013 Toni Corelli
 2003 Michael Charters
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Aponogeton distachyos Cape pondweed
non-native
Perennial herb  2004 Vince Scheidt
 2021 Ron Vanderhoff
 2004 Vince Scheidt
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Aptenia cordifolia Baby sun rose, Dew plant
non-native
Perennial herb  2007 Louis-M. Landry
 2005 Luigi Rignanese
 2001 Tony Morosco
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Araujia sericifera Bladderflower
• invasive non-native
Perennial herb, Vine  2019 Ron Vanderhoff
 2021 Jennifer Mo
 2020 Ron Vanderhoff
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Arrhenatherum elatius Tall oatgrass
non-native
Perennial grass  2020 Doug Allshouse
 2019 Thomas Reyes
 2021 John Rawlings
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Arum italicum Italian lords and ladies
non-native
Perennial herb  2019 Joerg Lohse
 2015 Dr. Amadej Trnkoczy
 2019 Joerg Lohse
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Atriplex amnicola Swamp saltbush
non-native
Annual herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
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Bacopa rotundifolia Disk waterhyssop, Round leaf water hyssop
non-native
Annual, Perennial herb  2007 John Game
 2007 John Game
 2007 John Game
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Bellis perennis English daisy, English lawn daisy
• invasive non-native
Perennial herb  2008 Keir Morse
 2020 Bob Sweatt
 2020 Bob Sweatt
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Berberis darwinii Darwin's berberis
• invasive non-native
Shrub  2008 Zoya Akulova
 2018 Abbot Chambers
 2015 Nicholas Stevenson
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Berteroa incana Hoary alyssum
• invasive non-native
Annual herb  2008 Louis-M. Landry
 2008 Louis-M. Landry
 2008 Louis-M. Landry
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Bituminaria bituminosa Arabian pea
non-native
Perennial herb  2005 Luigi Rignanese
 2006 Luigi Rignanese
 2006 Luigi Rignanese
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Brassica oleracea Cabbage
non-native
Annual herb  2011 Vernon Smith
 2010 Dr. Mark S. Brunell
 2005 Louis-M. Landry
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Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass
non-native
Annual grass  2005 Brent Miller
 2008 Keir Morse
 2004 Carol W. Witham
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Buddleja davidii Butterfly bush, Summer lilac
• invasive non-native
Tree, Shrub  2021 Ron Vanderhoff
 2021 Ron Vanderhoff
 2011 Michael O'Brien
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Cabomba caroliniana Carolina fanwort
non-native
Perennial herb  2010 Gerald Carr
 2010 Gerald Carr
 2010 Gerald Carr
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Calamintha sylvatica Woodland calamint
non-native
Perennial herb  2017 Adam Chasey (ssp. ascendens)
 2017 Adam Chasey (ssp. ascendens)
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Calendula arvensis Field marigold
non-native
Annual herb  2018 David Wolfson
 2018 David Wolfson
 2019 Stephany Dery
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Carex pendula Hanging sedge
• invasive non-native
Perennial grasslike herb  2009 Dean Wm. Taylor, Ph.D.
 2011 Mike Perlmutter
 2017 Ecological Concerns Inc
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Carrichtera annua Wards weed
• invasive non-native
Annual herb  2018 Unknown (Calflora) with Joe DiTomaso
 2017 Jason Giessow
 2018 Jason Giessow
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Casuarina equisetifolia Australian Pine, Beach sheoak
• invasive non-native
Tree  2010 Aaron Arthur
 2010 Aaron Arthur
 2015 Zoya Akulova
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Catalpa bignonioides Southern catalpa
non-native
Tree  2012 Al Keuter
 2009 Luigi Rignanese
 2009 Luigi Rignanese
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Catharanthus roseus Madagascar periwinkle
• invasive non-native
Shrub (stem succulent)  2005 Luigi Rignanese
 2010 John White
 2005 Luigi Rignanese
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Centaurea iberica Iberian knapweed
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
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Centranthus ruber Jupiter's beard, Red valerian
non-native
Annual, Perennial herb  2009 Neal Kramer
 2005 Luigi Rignanese
 2005 Luigi Rignanese
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Cestrum parqui Chilean jessamine
• invasive non-native
Tree  2011 Eric Wrubel
 2007 Zoya Akulova
 2011 Eric Wrubel/NPS
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Chasmanthe floribunda African cornflag, Chasmanthe
• invasive non-native
Perennial herb  2013 Robert Sikora
 2011 Michael O'Brien
 2017 Ron Vanderhoff
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Chorispora tenella Crossflower
• invasive non-native
Annual herb  2008 Gary A. Monroe
 2015 Debra L. Cook
 2008 Gary A. Monroe
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non-native
 2013 Ron Vanderhoff
 2013 Ron Vanderhoff
 2013 Ron Vanderhoff
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Cichorium intybus Chicory
non-native
Perennial herb  2019 Diane Etchison
 2020 Bob Sweatt
 2020 Bob Sweatt
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Cirsium ochrocentrum Beaumont thistle, Yellow spined thistle
• invasive non-native
Perennial herb  2004 Robert Sivinski
 2001 CDFA
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Cirsium undulatum Wavy leaved thistle, Wavyleaf thistle
• invasive non-native
Perennial herb  2015 Richard Spellenberg
 2010 Lee Dittmann
 2010 Lee Dittmann
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Cistus ladanifer Gum rockrose, Resinous rockrose
• invasive non-native
Shrub (stem succulent)  2004 Michael Charters
 2005 Dr. Antonio Martinez
 2004 Michael Charters
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Clematis vitalba Old man's beard, Traveller's joy
• invasive non-native
Vine  2006 Dr. Amadej Trnkoczy
 2006 Dr. Amadej Trnkoczy
 2015 Ellen Uhler
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Clinopodium vulgare Wild basil
non-native
Perennial herb  2010 Louis-M. Landry
 2016 Keir Morse
 2016 Keir Morse
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Colocasia esculenta Taro root
• invasive non-native
Perennial herb  Strauss
© 2004 California Academy of Sciences
 2009 Moorea Biocode
 2018 Ron Vanderhoff
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Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine  2019 Ron Vanderhoff
 2021 Ron Vanderhoff
 2005 Steve Matson
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Coprosma repens Creeping mirrorplant
non-native
Shrub  2011 Dean Wm. Taylor, Ph.D.
 2015 Richard Chasey
 2017 Zoya Akulova
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Coreopsis lanceolata Garden coreopsis, Lanceleaf tickseed
non-native
Perennial herb  2013 Richard Spellenberg
 2013 Richard Spellenberg
 2013 Richard Spellenberg
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Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard
non-native
Annual, Perennial herb  2019 Randy Huey
 2020 Jennifer Mo
 2019 Randy Huey
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Cupaniopsis anacardioides Carrotwood
non-native
Tree  2018 Andy Jones
 2018 Ron Vanderhoff
 2010 Michael O'Brien
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Cuscuta japonica Japanese dodder
• invasive non-native
Annual herb, Vine (parasitic)  2009 Barry Rice
 2009 Barry Rice
 2006 No copyright; distribute and reproduce freely
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Cyperus papyrus Papyrus
non-native
Perennial grasslike herb  2006 Joseph Dougherty/ecology.org
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Cyperus rotundus Nutgrass
• invasive non-native
Perennial grasslike herb  2016 Ron Vanderhoff
 2019 Ron Vanderhoff
 2018 Ron Vanderhoff
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Cytisus multiflorus Spanish broom, White spanishbroom
• invasive non-native
Shrub  J. E.(Jed) and Bonnie McClellan2005 California Academy of Sciences
 2014 Patrick Congdon
 2020 Lenihan Mazur
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Datura inoxia Pricklyburr
• invasive non-native
Perennial herb  Nick Kurzenko
 2005 Louis-M. Landry
 2007 Louis-M. Landry
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Daucus carota Queen anne's lace, Wild carrot
• invasive non-native
Perennial herb  2021 Jennifer Mo
 2021 Charles Russell
 2020 Ron Vanderhoff
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Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb  2019 Diane Etchison
 2019 Matt Berger
 2019 Matt Berger
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Osteospermum ecklonis Blue & white daisybush
non-native
Perennial herb  2009 Neal Kramer
 2012 David Wolfson
 2019 Dean Taylor
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Osteospermum fruticosum Trailing african daisy
non-native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Dimorphotheca sinuata African daisy, Cape marigold, Glandular cape marigold
• invasive non-native
Annual herb  1973 Dean Wm. Taylor
 2000 Joe DiTomaso
 2000 Joe DiTomaso
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Dipogon lignosus Okie bean
• invasive non-native
Perennial herb, Vine  2021 Ron Vanderhoff
 2021 Ron Vanderhoff
 2021 Ron Vanderhoff
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Dipsacus laciniatus cutleaf teasel
• invasive non-native
Perennial herb  2017 Trent M. Draper
 2011 Carri Pirosko
 2009 Carri Pirosko
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Dittrichia viscosa False yellowhead
• invasive non-native
Perennial herb  2014 Zoya Akulova
 2020 Matthew Perryman
 2005 Luigi Rignanese
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Echium pininana Pine echium
non-native
Shrub  2015 Neal Kramer
 2013 Zoya Akulova
 2019 Patrick Furtado
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Echium plantagineum Salvation echium, Salvation jane, Viper's bugloss
• invasive non-native
Annual, Perennial herb  2005 Luigi Rignanese
 2019 Ken Hickman
 2019 Ken Hickman
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Elytrigia intermedia Intermediate wheatgrass
non-native
Perennial grass  2004 Steve Matson
 2016 Neal Kramer
 2003 Steve Matson
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Elytrigia elongata Tall wheat grass
non-native
Perennial grass  2009 Zoya Akulova
 2011 Neal Kramer
 2017 jessica bailey
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Agropyron elongatum Tall wheat grass
non-native
Perennial grass 2009 Zoya Akulova
2011 Neal Kramer
2017 jessica bailey
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Elymus repens Quack grass
non-native
Perennial grass  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2008 Keir Morse
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Emex spinosa Devil's thorn, Spiny threecornerjack
• invasive non-native
Annual herb  2017 Barbara Boethling
 2015 Ron Vanderhoff
 2016 Barbara Boethling
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Enchylaena tomentosa Ruby saltbush
non-native
Annual herb  Eugene Sturla
 2015 Eugene Sturla
 Eugene Sturla
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Eragrostis curvula Weeping lovegrass
non-native
Perennial grass  2020 Donald Burk
 2020 Donald Burk
 2020 Donald Burk
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Conyza bonariensis Flax-leaved horseweed
non-native
Annual herb  2021 Donald Burk
 2017 Diane Etchison
 2008 Jorg Fleige
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Erigeron karvinskianus Fleabane, Latin american fleabane
• invasive non-native
Perennial herb  2009 Neal Kramer
 2009 Neal Kramer
 2018 Brian Charles
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Conyza floribunda Tropical horseweed
non-native
Annual herb  2006 Michael Charters
 2018 Ron Vanderhoff
 2006 Michael Charters
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Eriobotrya japonica Loquat
non-native
Tree  2015 Garth Wadsworth
 2005 Luigi Rignanese
 2015 Zoya Akulova
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2012 Neal Kramer
 2014 Keir Morse
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Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb  2018 James Bailey
 2018 John Doyen
 2016 John Doyen
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Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb  2012 Neal Kramer
 2018 Ron Vanderhoff
 2007 Luigi Rignanese
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Eucalyptus cladocalyx Sugar gum, Sugargum
• invasive non-native
Tree  2010 Michael O'Brien
 2011 Michael O'Brien
 2011 Michael O'Brien
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Eucalyptus conferruminata Spider gum, bushy yate
non-native
Tree  2006 Steve Matson
 2006 Steve Matson
 2006 Steve Matson
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Euphorbia dendroides Tree spurge
non-native
Shrub  2016 Dr. Amadej Trnkoczy
 2004 Krzysztof Kozminski
 2016 Dr. Amadej Trnkoczy
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Euphorbia exigua Dwarf spurge
non-native
Perennial herb  2015 Peter Warner
 2015 Peter Warner
 2015 Peter Warner
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Euphorbia lathyris Compass plant, Gopher plant, Moleplant
• invasive non-native
Annual, Perennial herb  2017 Aaron Echols
 2021 Mike Russler
 2020 Jennifer Mo
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Euphorbia myrsinites Myrtle spurge
non-native
Biennial, Perennial herb  2007 Louis-M. Landry
 2018 Tom Getts
 2007 Louis-M. Landry
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Polygonum aubertii Bukhara fleeceflower
non-native
Vine  2014 Michael Chasse
 2021 Jennifer Mo
 2016 Michael Chasse
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Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
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Vulpia bromoides Brome fescue
non-native
Annual grass 2008 Keir Morse
2012 Aaron Arthur
2012 Robert Steers/NPS
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Festuca pratensis Meadow fescue
non-native
Perennial grass  2012 Al Keuter
 2008 Steve Matson
 2012 Al Keuter
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Fraxinus uhdei Shamel ash
• invasive non-native
Tree  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2019 Cynthia Powell
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Fuchsia magellanica Hardy fuchsia
non-native
Shrub  2008 Neal Kramer
 2000 Joseph Dougherty/ecology.org
 2008 Neal Kramer
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Fumaria capreolata White ramping fumitory
non-native
Perennial herb  2014 Barry Breckling
 2020 Eric Wrubel
 2009 Neal Kramer
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Fumaria officinalis Drug fumitory
• invasive non-native
Annual herb  2010 Denise Kocek
 2016 Jorg & Mimi Fleige
 2007 Luigi Rignanese
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Galega officinalis Professor-weed
• invasive non-native
Perennial herb  2017 Gerald Carr
 2017 Gerald Carr
 2017 Gerald Carr
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Genista linifolia Mediterranean broom
• invasive non-native
Shrub  2018 Joe DiTomaso
 2018 Joe DiTomaso
 2017 B.J. Dion
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Geranium core-core Alderney crane's-bill
non-native
Perennial herb  2015 Vernon Smith
 2007 Doreen L. Smith
 2011 Jorg & MImi Fleige
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Geranium lucidum Shining geranium
• invasive non-native
Annual, Biennial herb  2016 Dr. Amadej Trnkoczy
 2011 Phil Pullen
 2016 Dana York
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Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb  2019 Chico Hiking Association
 2018 Stacie Wolny
 2019 David Magney
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Geranium purpureum Herb robert
• invasive non-native
Annual, Biennial herb  2020 Jennifer Mo
 2008 Neal Kramer
 2019 Jennifer Mo
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Geranium retrorsum New zealand geranium
• invasive non-native
Perennial herb  2012 Gary A. Monroe
 2012 Gary A. Monroe
 2012 Gary A. Monroe
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Geranium robertianum Robert geranium, Robert's geranium
• invasive non-native
Annual herb  2014 James Gonsman
 2013 Al Keuter
 2013 Robert Steers/NPS
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Chrysanthemum segetum Corndaisy
non-native
Annual herb  2007 Luigi Rignanese
 2015 John Doyen
 2007 Luigi Rignanese
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Glebionis segetum Corndaisy
non-native
Annual herb 2007 Luigi Rignanese
2015 John Doyen
2007 Luigi Rignanese
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Gleditsia triacanthos Honeylocust
• invasive non-native
Tree, Shrub  2005 Louis-M. Landry
 2010 Jean Pawek
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Glycyrrhiza glabra Cultivated licorice
non-native
Perennial herb  © 2016 Chris Wagner
 2016 Chris Wagner
 2016 Chris Wagner
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Grevillea robusta Silkoak
• invasive non-native
Tree  2009 Neal Kramer
 2018 Zoya Akulova
 2015 Zoya Akulova
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Grevillea rosmarinifolia rosemary grevillea, spider flower
non-native
Shrub  2009 Neal Kramer
 2009 Neal Kramer
 2009 Neal Kramer
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Grindelia squarrosa Curlycup gumweed
non-native
Perennial herb  2001 Larry Blakely
 2020 Bob Sweatt
 2020 Bob Sweatt
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Gunnera tinctoria Chilean gunnera
• invasive non-native
Perennial herb (aquatic)  2013 Richard Spellenberg
 2010 Zoya Akulova
 2013 Richard Spellenberg
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Gypsophila paniculata Baby's breath
• invasive non-native
Perennial herb  2010 Barry Breckling
 2015 Barry Breckling
 2010 Barry Breckling
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Halimodendron halodendron Common salttree, Russian salt tree
• invasive non-native
Shrub  2001 CDFA
 2001 CDFA
 2001 CDFA
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Hedypnois cretica Crete weed
non-native
Annual herb  2012 Michael Perlmutter
 2014 Ramona Robison
 2017 Thomas Reyes
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Helianthus tuberosus Jerusalem artichoke
• invasive non-native
Perennial herb  2011 Nick Kurzenko
 2019 Jennifer Mo
 2019 Jennifer Mo
|
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Heliotropium amplexicaule Clasping heliotrope
• invasive non-native
Perennial herb  2009 Thomas Stoughton
 2020 Henry Inman
 2018 George Williams
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Heracleum mantegazzianum Giant hogweed
non-native
Perennial herb  2008 Bill Moses
 2008 Bill Moses
 2008 Bill Moses
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Hibiscus trionum Flower of an hour
non-native
Annual herb  2015 Charles Russell
 2004 Dr. Amadej Trnkoczy
 2004 Dr. Amadej Trnkoczy
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Hyparrhenia hirta Thatching grass
• invasive non-native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
|
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Hypericum androsaemum Sweet amber
• invasive non-native
Shrub  2019 Jon Thompson
 2019 Jon Thompson
 2021 Patrick Furtado
|
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Hypericum calycinum Aaron's beard
non-native
Shrub  2010 National Park Service
 2011 Tony Morosco
 2018 Brian Charles
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Hypericum grandifolium malfurada
• invasive non-native
Shrub  2011 Eric Wrubel/NPS
 2018 Steven Cognac
 2018 Steven Cognac
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Ipomoea indica Oceanblue morning glory
• invasive non-native
Perennial herb  2012 Neal Kramer
 2006 Luigi Rignanese
 2006 Luigi Rignanese
|
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Iris foetidissima Stinking iris
non-native
Perennial herb  2016 Neal Kramer
 2010 Phil Pullen
 Jo-Ann Ordano 2000 California Academy of Sciences
|
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Jacaranda mimosifolia Black poui
non-native
Tree  2019 Ron Vanderhoff
 2015 Zoya Akulova
 Frances Elizabeth Hanan 2005 California Academy of Sciences
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Juncus acutus Spiny rush
native
Perennial grasslike herb (rhizomatous)  2006 Luigi Rignanese
 2006 Luigi Rignanese
 2010 Gary A. Monroe
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Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort
non-native
Perennial herb  2018 Ron Vanderhoff
 2020 joaquin hale
 2020 joaquin hale
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Kniphofia uvaria Redhot poker
• invasive non-native
Perennial herb  2002 Tony Morosco
 2009 Neal Kramer
 2002 Tony Morosco
|
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Koelreuteria paniculata Goldenrain tree
non-native
Tree  Nick Kurzenko
 2016 Zoya Akulova
 2016 Neal Kramer
|
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Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2019 David popp
 2012 Vernon Smith
 2008 Jorg Fleige
|
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Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2020 Mark Kircher
 2009 Neal Kramer
|
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Lamiastrum galeobdolon Yellow archangel
non-native
Perennial herb  2007 Louis-M. Landry
 2021 Donald Burk
 2007 Louis-M. Landry
|
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Lantana camara Lantana
• invasive non-native
Shrub  2021 Ron Vanderhoff
 2004 Joseph Dougherty/ecology.org
 2014 Wynn Anderson
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Lapsana communis Common nipplewort, Nipplewort
non-native
Annual herb  2006 Louis-M. Landry
 2007 Luigi Rignanese
 2005 Louis-M. Landry
|
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Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb  2019 Julie Kierstead Nelson
 2008 Keir Morse
 2005 Dr. Amadej Trnkoczy
|
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Lathyrus tingitanus Tangier pea
non-native
Annual herb  2019 Mary Conway
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
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Lepidium campestre Cow cress, English pepper grass, Field pepper grass
non-native
Annual, Perennial herb  2020 Bob Sweatt
 2015 Steve Matson
 2008 Keir Morse
|
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Leptospermum laevigatum Australian tea tree
• invasive non-native
Shrub  2008 Neal Kramer
 2008 Neal Kramer
 2013 Neal Kramer
|
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Ligustrum japonicum Japanese privet
non-native
Tree, Shrub  © 2015 Zoya Akulova
 2015 Zoya Akulova
 2015 Zoya Akulova
|
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Ligustrum lucidum Glossy privet
• invasive non-native
Tree, Shrub  2021 Alex Nikolaou
 2021 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Ligustrum ovalifolium California privet
non-native
Tree, Shrub  2005 Luigi Rignanese
 2005 Luigi Rignanese
 2015 Neal Kramer
|
|
Limnobium laevigatum American spongeplant
• invasive non-native
Perennial herb  2018 Joe DiTomaso
 2016 Angelique Herman
 2016 Angelique Herman
|
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Limonium duriusculum European sea lavender
• invasive non-native
Perennial herb  2016 Ron Vanderhoff
 2016 Ron Vanderhoff
 2019 Amanda Swanson
|
|
Limonium perezii Canarian sea lavender, Perez's sealavender
non-native
Perennial herb  2017 Simon Gunner
 2017 B.J. Dion
 2015 Debra L. Cook
|
|
Linum bienne Narrow leaved flax, Pale flax, Small flowered flax
non-native
Annual herb  2007 Steve Matson
 2014 James Gonsman
 2010 Neal Kramer
|
|
Linum trigynum French flax
non-native
Annual herb  2013 Peter Warner
 2013 Peter Warner
 2013 Peter Warner
|
|
Lonicera japonica Japanese honeysuckle
non-native
Vine, Shrub  2009 Neal Kramer
 2018 michelle peruzzi
 2016 Keir Morse
|
|
Lotus angustissimus Slender bird's foot trefoil, Slender lotus
non-native
Annual herb  2009 Zoya Akulova
 2015 James Gonsman
 2009 Zoya Akulova
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb  2005 Louis-M. Landry
 2019 Nathan Taxel
 2005 Dr. Amadej Trnkoczy
|
|
Ludwigia decurrens Wingleaf primrose-willow
non-native
Perennial herb  2014 Evan Padgett
 2014 Evan Padgett
|
|
Lychnis coronaria Rose campion
non-native
Perennial herb  2020 Chico Hiking Association
 2012 Debra L. Cook
 2013 Debra L. Cook
|
|
Anagallis arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2009 Keir Morse
 2019 Barbara Boethling
|
|
Anagallis monelli Flaxleaf pimpernel
non-native
Perennial herb  2012 Jean Pawek (Anagallis monelli)
 2016 Glen Schneider
 2002 Tony Morosco
|
|
Malephora crocea Coppery mesembryanthemum
• invasive non-native
Perennial herb  2011 Neal Kramer
 2011 Neal Kramer
 1999 Joe DiTomaso
|
|
Lavatera cretica Cretan mallow
non-native
Shrub  2007 Neal Kramer
 2014 Steve Matson
 2006 Vince Scheidt
|
|
Maytenus boaria Mayten
• invasive non-native
Tree, Shrub  2011 Sam Abercrombie
 2012 Sam Abercrombie
 2011 Sam Abercrombie
|
|
Melianthus major Honey flower
non-native
Shrub  2010 Zoya Akulova
 2018 Zoya Akulova
 2010 Zoya Akulova
|
|
Melilotus indicus Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Melilotus alba Yellow sweetclover
• invasive non-native
Annual, Biennial herb  2010 Jean Pawek
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Melilotus officinalis Yellow sweetclover
• invasive non-native
Annual, Biennial herb 2010 Jean Pawek
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Melissa officinalis Bee balm, Common balm, Lemon balm
non-native
Perennial herb  2001 Tony Morosco
 2001 Tony Morosco
 2007 Louis-M. Landry
|
|
Mentha spicata Spearmint
non-native
Perennial herb  2008 Keir Morse
 2015 Barry Breckling
 2014 Zoya Akulova
|
|
Mentha Xpiperita Peppermint
non-native
Perennial herb  2019 Ron Vanderhoff
 1995 Saint Mary's College of California
|
|
Mercurialis annua Annual mercury
non-native
Annual herb  2009 Neal Kramer
 2015 Julia King
 2013 Neal Kramer
|
|
Mesembryanthemum nodiflorum Slender leaved ice plant, Slenderleaf iceplant, Small flowered iceplant
• invasive non-native
Annual herb  2009 Howard Clark
 2021 Michelle Karle
 2019 Ron Vanderhoff
|
|
Muehlenbeckia complexa Mattress vine
non-native
Vine  2009 Neal Kramer
 2012 Thomas Reyes
 2009 Neal Kramer
|
|
Nardus stricta matgrass
non-native
Perennial grass  2015 Carri Pirosko
 2015 Carri Pirosko
 2015 Carri Pirosko
|
|
Nerium oleander Oleander
• invasive non-native
Tree  2019 Celeste Dodge
 2007 Louis-M. Landry
 2019 B.J. Dion
|
|
Nothoscordum gracile Slender false garlic
• invasive non-native
Perennial herb  2017 Ron Vanderhoff
 2017 Ron Vanderhoff
 2001 CDFA
|
|
Nymphaea odorata American white waterlily, Water lily
• invasive non-native
Perennial herb  2006 Joseph Dougherty/ecology.org
 2006 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Nymphoides peltata Water fringe, Yellow floatingheart
non-native
Perennial herb  2011 Louis-M. Landry
 2001 CDFA
|
|
Oenothera glazioviana Red sepaled evening primrose, Redsepal evening primrose
non-native
Perennial herb  2007 Dr. Amadej Trnkoczy
 2007 Dr. Amadej Trnkoczy
 2007 Dr. Amadej Trnkoczy
|
|
Oncosiphon piluliferum Stinknet
non-native
Annual herb  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Onobrychis viciifolia Sainfoin, Sanfoin
non-native
Perennial herb  2009 Mary Winter
 2009 Mary Winter
 2006 Luigi Rignanese
|
|
Onopordum illyricum Illyrian cottonthistle, Illyrian thistle
• invasive non-native
Biennial herb  2021 Nancy Barrera
 2021 Nancy Barrera
 2007 Luigi Rignanese
|
|
Onopordum tauricum Bull cottonthistle, Taurian thistle
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
|
|
Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel
• invasive non-native
Perennial herb  2008 Gary McDonald
 2007 Dr. Amadej Trnkoczy
 2011 Neal Kramer
|
|
Oxalis latifolia Broadleaf woodsorrel, Mexican oxalis
non-native
Perennial herb  2001 CDFA
 2006 Adonis (Don) Tate
 2001 CDFA
|
|
Papaver somniferum Opium poppy
non-native
Annual herb  2007 Pasi Rein
 2011 Louis-M. Landry
 2011 Louis-M. Landry
|
|
Parietaria judaica Spreading pellitory
non-native
Perennial herb  2021 Ron Vanderhoff
 2008 Neal Kramer
 2021 Ron Vanderhoff
|
|
Parkinsonia aculeata Jerusalem thorn, Mexican palo verde
• invasive non-native
Tree  2015 Richard Spellenberg
 2016 Erik Larsen
 2010 Neal Kramer
|
|
Parthenium hysterophorus Santa maria feverfew
• invasive non-native
Perennial herb  © 2015 Richard Spellenberg
 2015 Richard Spellenberg
 2016 Ron Vanderhoff
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass  2018 Ron Vanderhoff
 2006 Steven Thorsted
 2009 Barry Rice
|
|
Paspalum urvillei Vasey's grass
• invasive non-native
Perennial grass  2021 Jennifer Mo
 2021 Jennifer Mo
 2006 Tom Cochrane
|
|
Paspalum vaginatum Seashore paspalum
• invasive non-native
Perennial grass  2016 Ron Vanderhoff
 2018 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Passiflora caerulea Bluecrown passionflower
non-native
Vine  2015 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
• invasive non-native
Vine  2012 Barry Rice
 2012 Barry Rice
 2012 Barry Rice
|
|
• invasive non-native
Vine 2012 Barry Rice
2012 Barry Rice
2012 Barry Rice
|
|
Peganum harmala Harmal peganum
• invasive non-native
Perennial herb  2011 Debra L. Cook
 2005 Luigi Rignanese
 2001 CDFA
|
|
Pennisetum ciliare Buffelgrass
non-native
Perennial grass  2013 Keir Morse
 2019 Belinda Lo
 2013 Keir Morse
|
|
Pennisetum villosum Feathertop
• invasive non-native
Perennial grass  2018 Ron Vanderhoff
 2001 Tony Morosco
 2018 Steven Cognac
|
|
Pentaschistis airoides False hairgrass
non-native
Annual grass  2015 Jon Rebman (ssp. airoides)
 2015 Jon Rebman (ssp. airoides)
|
|
Polygonum persicaria Spotted ladysthumb
non-native
Annual herb  2008 Keir Morse
 2017 Bob Stahmer
 2008 Louis-M. Landry
|
|
Polygonum polystachyum Himalayan knotweed
• invasive non-native
Perennial herb  2017 Redwood Community Action Agency
 2019 David Juliano
 2014 Ramona Robison
|
|
Phalaris arundinacea Reed canarygrass
native
Perennial grass  2008 Keir Morse
 2009 Barry Rice
 2020 Donald Burk
|
|
Phalaris elongata Kolea grass
• invasive non-native
Perennial grass  2018 Steven Cognac
 2018 Sarah Inman
 2018 Steven Cognac
|
|
Phleum pratense Common timothy, Cultivated timothy, Timothy
non-native
Perennial grass  2019 Julie Kierstead Nelson
 2005 Louis-M. Landry
 2008 Keir Morse
|
|
Phoenix dactylifera Date palm
non-native
Tree, Shrub  2010 Neal Kramer
 2016 Zoya Akulova
 Charles Webber 1998 California Academy of Sciences
|
|
Photinia serratifolia Taiwanese photinia
non-native
Shrub, Tree  2013 Dean Kelch
 2005 Luigi Rignanese
 2015 Kate Symonds
|
|
Physalis subglabrata Long leafed tomatillo, Longleaf groundcherry
• invasive non-native
Perennial herb  2018 Robert L. Carr
 2018 Robert L. Carr
 2018 Robert L. Carr
|
|
Phytolacca americana American pokeweed, Pokeberry
• invasive non-native
Perennial herb  2004 Tom Greer tbphotos@comcast.net
 2012 Dr. Amadej Trnkoczy
 2009 Julie A. Kierstead
|
|
Pinus halepensis Aleppo pine
non-native
Tree  2006 Dr. Amadej Trnkoczy
 2018 Ron Vanderhoff
 2010 Michael O'Brien
|
|
Pistacia chinensis Chinese pistache, Chinese pistachio
• invasive non-native
Tree  2012 Ron Vanderhoff
 2018 Thomas Reyes
 2016 Zoya Akulova
|
|
Pistia stratiotes Water lettuce
non-native
Perennial herb  2001 CDFA
 2006 Louis-M. Landry
 2016 Ron Vanderhoff
|
|
Pittosporum tobira Japanese cheesewood, Mock orange
non-native
Tree, Shrub  2015 Zoya Akulova
 2007 Dr. Amadej Trnkoczy
 2017 Ron Vanderhoff
|
|
Pittosporum undulatum Australian cheesewood, Victorian box
• invasive non-native
Tree, Shrub  2008 Zoya Akulova
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Plantago arenaria Indian plantain
non-native
Annual herb  2006 Luigi Rignanese
 2016 Ron Vanderhoff
 2006 Luigi Rignanese
|
|
Plantago coronopus Buckhorn plantain, Cut leaf plantain
• invasive non-native
Annual herb  2008 Jorg Fleige
 2021 Zoya Akulova-Barlow
 2003 George W. Hartwell
|
|
Plecostachys serpyllifolia Petite-licorice
• invasive non-native
 2012 Ron Vanderhoff
 2021 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp
non-native
Annual herb  2010 Margo Bors
 2019 Kristin Sabo
 2019 Kristin Sabo
|
|
Polygala myrtifolia Myrtle leaf milkwort
• invasive non-native
Shrub  2016 Pete Frye
 2015 Pete Frye
 2013 Dean Wm. Taylor, Ph.D.
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2016 John Doyen
 2008 Keir Morse
 2010 Lee Dittmann
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass  2002 Dean Wm. Taylor
 2009 Zoya Akulova
 2017 Ron Vanderhoff
|
|
Populus alba Silver poplar, White poplar
non-native
Tree  2020 Maisie Borg
 2005 Louis-M. Landry
 2005 Louis-M. Landry
|
|
Puccinellia maritima Seaside alkaligrass
non-native
Perennial grass  2009 Whitney Thornton
 2011 Michael Perlmutter
 2011 Michael Perlmutter
|
|
Pyrus calleryana Callery pear
• invasive non-native
Tree  2010 Gary A. Monroe
 2012 Gary A. Monroe
 2015 Zoya Akulova
|
|
Ranunculus muricatus Buttercup, Pricklefruit buttercup, Spiny buttercup
non-native
Annual, Perennial herb  2008 Jorg Fleige
 2006 George W. Hartwell
 2019 Chico Hiking Association
|
|
Rapistrum rugosum Annual bastardcabbage
non-native
Annual, Perennial herb  2009 Zoya Akulova
 2020 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Rhagadiolus stellatus Endive daisy
non-native
Annual herb  2015 Barry Breckling
 2009 Luigi Rignanese
 2009 Luigi Rignanese
|
|
Rhamnus alaternus Italian buckthorn
• invasive non-native
Shrub  2015 Ron Vanderhoff
 2015 Ron Vanderhoff
 2011 Eric Wrubel
|
|
Romulea rosea Rosy sandcrocus
• invasive non-native
Perennial herb  2007 Neal Kramer
 2008 Jorg Fleige
 2005 Doreen L. Smith
|
|
Romulea rosea var. australis Rosy sand crocus, Rosy sandcrocus
non-native
Perennial herb  2019 Janice Kuch
 2002 Dean Wm. Taylor
 2008 Neal Kramer
|
|
Rosa canina Dog rose
non-native
Shrub  2004 Dr. Amadej Trnkoczy
 2004 Dr. Amadej Trnkoczy
 2014 Dean Wm. Taylor
|
|
Rosa rubiginosa Sweet brier
non-native
Shrub  2005 George W. Hartwell
 2008 Neal Kramer
 2013 Robert Sikora
|
|
Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry
non-native
Shrub  2009 Barry Breckling
 2021 Donald Burk
 2017 Chris Friedel
|
|
Rubus ulmifolius Elmleaf blackberry
non-native
Vine, Shrub  2005 Luigi Rignanese
 2020 Jennifer Mo
 2019 Jennifer Mo
|
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb  2013 Robert Steers/NPS
 2010 Phil Pullen
 2008 Keir Morse
|
|
Rumex obtusifolius Bitter dock
non-native
Perennial herb  2009 Vernon Smith
 2008 Louis-M. Landry
 2009 Vernon Smith
|
|
Rytidosperma caespitosum Tufted wallaby grass
• invasive non-native
Perennial grass  2011 Eric Wrubel/NPS
 2019 John Rawlings
 2008 Neal Kramer
|
|
Rytidosperma penicillatum Purple awned wallaby grass , Hairy oat grass, Poverty grass
• invasive non-native
Perennial grass  2010 Robert Steers/NPS
 2011 Eric Wrubel, NPS
 2020 David Greenberger
|
|
Salpichroa origanifolia Lily of the valley vine
• invasive non-native
Perennial herb  2014 Ron Vanderhoff
 2007 Zoya Akulova
 2015 Ron Vanderhoff
|
|
Salsola soda Alkali russian thistle, Oppositeleaf russian thistle
• invasive non-native
Annual herb  2009 Zoya Akulova
 2016 Cal-IPC
 2000 Joe DiTomaso
|
|
Salvia aethiopis Mediterranean sage
• invasive non-native
Perennial herb  2001 CDFA
 2018 Matt Berger
 2001 CDFA
|
|
Salvia verbenaca Verbena sage
non-native
Perennial herb  2007 Luigi Rignanese
 2007 Luigi Rignanese
 2007 Luigi Rignanese
|
|
Scabiosa atropurpurea Mourningbride, Pincushion flower, Pincushion plant
• invasive non-native
Annual herb  2005 Luigi Rignanese
 2012 Zoya Akulova
 2019 Stephany Dery
|
|
Schinus polygamus Hardee peppertree
non-native
Tree, Shrub  2020 Ron Vanderhoff
 2009 Barry Rice
 2020 Ron Vanderhoff
|
|
Scolymus hispanicus Common goldenthistle, Golden thistle
• invasive non-native
Perennial herb  2004 Dr. Amadej Trnkoczy
 2001 CDFA
|
|
Senecio linearifolius Australian fireweed
• invasive non-native
Annual, Perennial herb  2016 Ron Vanderhoff
 2015 Ron Vanderhoff
 2015 Ron Vanderhoff
|
|
Senecio quadridentatus Cotton burnweed
non-native
Annual, Perennial herb  2019 Adonis Tate
 2019 Adonis (Don) Tate
 2019 Adonis (Don) T
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb  2005 Steve Matson
 2019 Ron Vanderhoff
 2020 Chico Hiking Association
|
|
Senna didymobotrya African senna, African wild cassia
non-native
Shrub  2015 Ron Vanderhoff
 2016 Ron Vanderhoff
 © 2014 Zoya Akulova
|
|
Senna multiglandulosa Glandular cassia
non-native
Shrub  2011 Neal Kramer
 2011 Neal Kramer
 2011 Neal Kramer
|
|
Setaria pumila Yellow bristlegrass
non-native
Annual grass  2007 Robert E. Preston, Ph.D.
 2014 Neal Kramer
 2008 John Dittes
|
|
Setaria viridis Green bristlegrass, Green foxtail
non-native
Annual grass  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2005 Louis-M. Landry
|
|
Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard
non-native
Annual herb  2008 Thomas Stoughton
 2008 Thomas Stoughton
 2010 Jean Pawek
|
|
Solanum aviculare New zealand nightshade, Nightshade
• invasive non-native
Shrub  2009 James Gonsman
 2018 Ron Vanderhoff
 2017 Barbara Boethling
|
|
Solanum carolinense Carolina horse nettle, Carolina horsenettle
• invasive non-native
Perennial herb  2001 CDFA
 2008 Ron Thomas
 2001 CDFA
|
|
Solanum elaeagnifolium Horse nettle, Silver leaved horsenettle, Silverleaf nightshade
• invasive non-native
Perennial herb  2015 Neal Kramer
 2019 Ron Vanderhoff
 2021 Charles Russell
|
|
Solanum mauritianum Earleaf nightshade
non-native
Shrub  2019 James Bailey
 2019 James Bailey
 2019 James Bailey
|
|
Solanum nigrum Black nightshade
non-native
Annual herb  2020 Susan White
 2005 Dr. Amadej Trnkoczy
 2005 Dr. Amadej Trnkoczy
|
|
Solanum sarrachoides Hoe nightshade
non-native
Shrub  2011 Robert L. Carr
 2011 Robert L. Carr
 2011 Robert L. Carr
|
|
Solanum rostratum Buffalo berry, Buffalobur nightshade
non-native
Annual herb  2013 Debra L. Cook
 2019 Douglas Gordon-Blackwood
 1999 Larry Blakely
|
|
Sonchus arvensis Field sowthistle, Perennial sow thistle
• invasive non-native
Perennial herb  2015 Richard Spellenberg
 2006 Louis-M. Landry
 2015 Richard Spellenberg
|
|
Sonchus asper Spiny sowthistle
• invasive non-native
Annual herb  2006 Louis-M. Landry
 2009 Zoya Akulova
 2020 Julie A. Kierstead
|
|
Sorghum halepense Johnsongrass
• invasive non-native
Perennial grass  2006 Luigi Rignanese
 2019 Jennifer Mo
 2009 Zoya Akulova
|
|
Sphaerophysa salsula Alkali swainsonpea, Austrian peaweed
• invasive non-native
Perennial herb  2009 Barry Breckling
 2009 Barry Breckling
|
|
Sporobolus indicus Smut grass, Smutgrass
non-native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2006 Adonis (Don) Tate
|
|
Achnatherum brachychaetum Puna needle grass
• invasive non-native
Perennial grass  2001 CDFA
 2001 CDFA
 2001 CDFA
|
|
Stipa capensis Cape ricegrass
• invasive non-native
Annual grass  2016 Emily Chase
 2006 Luigi Rignanese
 2009 Michael Bell
|
|
Nassella manicata Andean tussockgrass
• invasive non-native
Perennial grass  2011 Eric Wrubel, NPS
 2019 Eric Wrubel
 2018 Eitan Kiin (MCOSD Restoration Crew)
|
|
Stipa purpurata Bristly needle grass
non-native
Perennial grass  2011 Robert Steers/NPS
 2011 Steve Matson
 2001 CDFA
|
|
Nassella tenuissima Mexican feathergrass
• invasive non-native
Perennial grass  2015 Neal Kramer
 2015 Neal Kramer
 2016 Barbara Boethling
|
|
Malcolmia africana African mustard
non-native
Annual herb  2005 Michael Charters
 2005 James M. Andre
 2005 James M. Andre
|
|
Tamarix chinensis Chinese tamarisk, Fivestamen tamarisk, Salt cedar
• invasive non-native
Shrub  2011 Robert Sivinski
 2015 Robert Sikora
 2014 Ron Wolf
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2021 Ron Vanderhoff
 2019 Diane Etchison
 2018 Chico Hiking Association
|
|
Elymus farctus Russian wheatgrass
• invasive non-native
Perennial grass  2017 Mark K. Skinner
 2019 Mark K. Skinner
 2019 Mark K. Skinner
|
|
Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb  2008 Neal Kramer
 2004 Laura Ann Eliassen
 2013 Robert Steers/NPS
|
|
Tradescantia fluminensis Small leaf spiderwort
non-native
Perennial herb  2018 Amy Rapport
 2016 Catey Ritchie
 2018 Michelle Forys
|
|
Tragopogon dubius Goat's beard, Yellow salsify
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2001 Steven Thorsted
 2020 Bob Sweatt
|
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb  2019 Julie dinsdale
 2015 David Wolfson
 2018 Amy Rapport
|
|
Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb  2016 Joan Hampton
 2020 Maura Hay
 2020 Ron Vanderhoff
|
|
Trifolium angustifolium Narrow leaved clover, Narrowleaf crimson clover
non-native
Annual herb  2017 Gary Morgret
 2020 Ryan Carle
 2019 Gary McDonald
|
|
Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover
non-native
Annual herb  2008 Jorg Fleige
 2004 Carol W. Witham
 2015 Barry Breckling
|
|
Trifolium striatum Knotted clover
non-native
Annual herb  2008 Keir Morse
 2010 Zoya Akulova
 2010 Aaron Arthur
|
|
Trifolium subterraneum Sub clover, Subterranean clover
non-native
Annual herb  2008 Jennifer Buck
 2008 Neal Kramer
 2019 Matt Berger
|
|
Tropaeolum majus Garden nasturtium, Nasturtium
• invasive non-native
Annual herb, Vine  2004 Nick Kurzenko
 1995 Saint Mary's College of California
 2021 Julie A. Kierstead
|
|
Ulmus parvifolia Chinese elm, Siberian elm
non-native
Tree  2013 Neal Kramer
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Ulmus pumila Siberian elm
• invasive non-native
Tree  2018 Ron Vanderhoff
 2015 Steve Matson
Ulmus pumila
 2016 Zoya Akulova
|
|
Urospermum picroides Bristly tail seed, Prickly goldenfleece
non-native
Annual, Perennial herb  2009 Neal Kramer
 2020 Thomas Reyes
 2007 Luigi Rignanese
|
|
Ventenata dubia North africa grass, Ventenata grass
• invasive non-native
Annual grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Verbascum blattaria Moth mullein
non-native
Perennial herb  2019 Patrick Furtado
 2014 Garth Wadsworth
 2019 Alison Sheehey
|
|
Verbascum virgatum Wand mullein
non-native
Perennial herb  2011 Neal Kramer
 2011 Neal Kramer
 2021 Ron Vanderhoff
|
|
Verbena bonariensis Purple top vervain, Purpletop vervain
• invasive non-native
Annual, Biennial herb  2003 Gerald Carr
 2003 Gerald Carr
 2003 Gerald Carr
|
|
Verbena litoralis Seashore vervain
• invasive non-native
Biennial, Perennial herb  2011 Barry Breckling
 2001 Joe DiTomaso
 2000 Joe DiTomaso
|
|
Vicia villosa Hairy vetch
• invasive non-native
Annual herb, Vine  2008 Gary McDonald
 2005 Chris Wagner, SBNF
 2019 Diane Etchison
|
|
Viscum album European mistletoe
• invasive non-native
Shrub (parasitic)  2005 Dr. Amadej Trnkoczy
 2005 Dr. Amadej Trnkoczy
 2007 François Meignant
|
|
Vitex agnus-castus Lilac chastetree
non-native
Tree, Shrub  2005 Luigi Rignanese
 2005 Luigi Rignanese
|
|
Vitis vinifera Cultivated grape, Wine grape
non-native
Vine, Shrub  2005 Luigi Rignanese
 2005 Joseph Dougherty/ecology.org
 2006 Luigi Rignanese
|
|
Volutaria tubuliflora Egyptian knapweed
• invasive non-native
Annual herb  2015 Ron Vanderhoff
 2015 Ron Vanderhoff
 2015 Ron Vanderhoff
|
|
Zygophyllum fabago Syrian beancaper
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
|
