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| A combination of eradication & surveillance target species lists for the Northwest region (Humboldt and Del Norte counties). |
| 31 PLANTS |
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Agrostis avenacea Pacific bentgrass
• invasive non-native
Perennial grass  2021 John Rawlings
 2008 Zoya Akulova
 2018 Doug Allshouse
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Alternanthera philoxeroides Alligator weed, Alligatorweed
• invasive non-native
Perennial herb  2021 Robin Carter-Ervin
 2020 Gina Darin
 2020 Gina Darin
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Alyssum murale yellowtuft
non-native
Annual herb  2008 Carri Pirosko
 2011 Carri Pirosko
 2008 Carri Pirosko
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Arundo donax Giant reed
• invasive non-native
Perennial grass  2013 Miriam Sachs Martin
 2020 Jennifer Mo
 2018 michelle peruzzi
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Brachypodium distachyon False brome, Purple false brome
• invasive non-native
Annual, Perennial grass  2008 Zoya Akulova
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Carduus nutans Musk thistle, Nodding plumeless thistle
• invasive non-native
Perennial herb  2018 Elizabeth Brusati
 2007 Steve Matson
 2007 Thomas Stoughton
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Carthamus lanatus Woolly distaff thistle
• invasive non-native
Annual herb  2019 Lenihan Mazur
 2019 Danielle Carney
 2008 Eric Wrubel
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Centaurea calcitrapa Purple star thistle, Red star thistle
• invasive non-native
Annual, Perennial herb  2005 Luigi Rignanese
 2019 MCOSD EDRR
 2019 Danielle Carney
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Centaurea virgata ssp. squarrosa Squarrose knapweed
• invasive non-native
Perennial herb  2002 Molly Elizabeth Bagley
 2013 Gerald Carr
 2013 Gerald Carr
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Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb  2021 George Williams
 2021 Bob Sweatt
 2018 Scott Oneto
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Cynara cardunculus Artichoke thistle, Cardoon
• invasive non-native
Perennial herb  2019 Diane Etchison
 2017 James Bailey
 2018 Kalee Koeslag
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Cynoglossum officinale Gypsyflower, Hound's tongue, Purple houndstongue
• invasive non-native
Perennial herb  2016 Jim Moore
 2012 Zoya Akulova
 2007 Dr. Amadej Trnkoczy
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Dittrichia graveolens Stinkwort
• invasive non-native
Annual herb  2008 Keir Morse
 2019 Andy Jones
 2017 Ron Vanderhoff
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Echium pininana Pine echium
non-native
Shrub  2015 Neal Kramer
 2013 Zoya Akulova
 2019 Patrick Furtado
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Eichhornia crassipes Common water hyacinth
• invasive non-native
Perennial herb  2021 Mike Russler
 2018 Rachelle Gray
 2021 Mike Russler
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Euphorbia oblongata Eggleaf spurge
• invasive non-native
Perennial herb  2021 Jennifer Mo
 2019 Randy Huey
 2017 Gary McDonald
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Euphorbia virgata Leafy spurge
• invasive non-native
Perennial herb  2019 Matt Weston
 2019 Matt Weston
 2015 Dean Kelch
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Fallopia japonica Japanese knotweed
• invasive non-native
Perennial herb  2021 Margot Cunningham
 2006 Dr. Amadej Trnkoczy
 2018 Rachel Kesel
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Fallopia sachalinensis Giant knotweed
• invasive non-native
Perennial herb  Nick Kurzenko
 2001 CDFA
 2013 Domenic Bongio
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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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Hydrilla verticillata Hydrilla, Waterthyme
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
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Kochia scoparia Common red sage, Mexican fireweed, Summer cypress
• invasive non-native
Annual herb  2014 Zoya Akulova
 2014 Zoya Akulova
 2012 Jean Pawek
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Lepidium appelianum Hairy whitetop
• invasive non-native
Perennial herb  2001 Jeff Abbas
 2001 CDFA
 2016 John Doyen
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Lythrum salicaria Purple loosestrife
• invasive non-native
Perennial herb  2005 Louis-M. Landry
 2009 Barry Rice
 2005 Louis-M. Landry
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Onopordum acanthium Scotch cottonthistle
• invasive non-native
Perennial herb  2013 Richard Spellenberg
 2007 Louis-M. Landry
 2018 Joe Woods
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Persicaria wallichii Himalayan knotweed
• invasive non-native
Perennial herb  2017 Redwood Community Action Agency
 2019 David Juliano
 2014 Ramona Robison
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Acroptilon repens Russian knapweed
non-native
Perennial herb  2017 Barbara Boethling
 2013 Richard Spellenberg
 2013 Neal Kramer
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Sesbania punicea Red sesbania, Rattlebox
• invasive non-native
Shrub  2005 George W. Hartwell
 2013 Jean Pawek
 2016 Zoya Akulova
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Tamarix parviflora Fourstamen tamarisk, Smallflower tamarisk
• invasive non-native
Tree, Shrub  2020 Leslie Cobb
 2020 Leslie Cobb
 2015 Steve Matson
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Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub  2020 Ron Vanderhoff
 2017 Barbara Boethling
 2000 Joe DiTomaso
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Watsonia meriana Bulbil bugle lily
• invasive non-native
Perennial herb  2019 Michael Perlmutter
 2017 Juan de Dios Villarino
 2019 Cynthia Powell
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