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| Priority 1-3 species. | ||||||
| 56 PLANTS |
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Ailanthus altissima Ailanthus, Tree of heaven
• invasive non-native
Tree 
© 2022 Jenny Gossett 
© 2022 Jenny Gossett 
© 2020 Julie A. Kierstead |
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Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb 
© 2014 Steve Matson 
© 2014 Steve Matson 
© 2018 Ron Vanderhoff |
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Arundo donax Giant reed
• invasive non-native
Perennial grass 
© 2013 Miriam Sachs Martin 
© 2020 Jennifer Mo 
© 2018 Ron Vanderhoff |
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Brassica nigra Black mustard
• invasive non-native
Annual herb 
© 2021 Ron Vanderhoff 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
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Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
© 2024 David Wolfson 
© 2021 Diane Etchison 
© 2018 Angelique Herman |
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Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
© 2019 Gary McDonald 
© 2023 Diana Wahl 
© 2023 Ron Vanderhoff |
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Carduus tenuiflorus Italian thistle, Slender flowered thistle, Winged plumeless thistle
• invasive non-native
Annual herb 
© 2018 Gary McDonald 
© 2018 Gary McDonald 
© 2023 Cynthia Powell |
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Centaurea benedicta Blessed thistle
non-native
Annual herb 
© 2019 Kevin Mason 
© 2021 Aaron Echols 
© 2020 Diane Etchison |
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb 
© 2019 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2020 Laura Anna Arellano |
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Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb 
© 2022 Cynthia Powell 
© 2019 Arlee Montalvo 
© 2022 Mary Herr |
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
© 2017 James Bailey 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
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Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
© 2024 Cynthia Powell 
© 2013 Toni Corelli 
© 2016 Cynthia Powell |
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Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
© 2022 Steve Matson 
© 2022 Steve Matson 
© 2018 Adam Chasey |
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Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass
non-native
Annual grass 
© 2023 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
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Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
© 2021 Ron Vanderhoff 
© 2020 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
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Cyperus difformis Variable flatsedge
non-native
Annual grasslike herb 
© 2022 Ron Vanderhoff 
© 2021 Donald Burk 
© 2020 Ron Vanderhoff |
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Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass 
© 2003 Steve Matson 
© 2003 Steve Matson 
© 2003 Steve Matson |
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Dittrichia graveolens Stinkwort
• invasive non-native
Annual herb 
© 2017 Bob Huttar 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff |
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Dysphania ambrosioides Mexican tea
non-native
Annual, Perennial herb 
© 2020 Ron Vanderhoff 
© 2018 Ron Vanderhoff 
© 2020 Ron Vanderhoff |
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Elymus caput-medusae Medusa head
• invasive non-native
Annual grass 
© 2023 Ron Vanderhoff 
© 2019 Jennifer Mo  © 2011 Steve Matson |
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Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
© 2019 Ron Vanderhoff 
© 2023 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
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Festuca temulenta Darnel, tares
non-native
Annual grass 
© 2016 Spade Natural Resources Consulting 
© 2020 David popp 
© 2019 Stephany Dery |
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Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
© 2016 Hayley Ross 
© 2019 Rachelle Gray 
© 2012 Elizabeth Brusati |
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Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2022 Ron Vanderhoff |
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Iris pseudacorus Horticultural iris, Paleyellow iris, Yellowflag iris
• invasive non-native
Perennial herb 
© 2020 Ron Vanderhoff 
© 2024 Ron Vanderhoff 
© 2017 Nick Graver |
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Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb 
© 2017 Gary McDonald 
© 2017 Gary McDonald 
© 2017 Gary McDonald |
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Lepidium latifolium Broad leaved pepper grass, Broadleaved pepperweed, Perennial pepperweed
• invasive non-native
Perennial herb 
© 2022 Donald Burk 
© 2020 Ron Vanderhoff 
© 2020 Joel A. Germond, Psy.D. |
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Malva parviflora Cheeseweed mallow
non-native
Annual herb 
© 2022 Mike Russler 
© 2022 Donald Burk 
© 2022 Mike Russler |
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Marrubium vulgare White horehound
• invasive non-native
Perennial herb 
© ©2013 Gary McDonald 
© 2015 Diane Etchison 
© 2018 Nancy Hamlett |
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Melilotus alba Yellow sweetclover
• invasive non-native
Annual, Biennial herb 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt |
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Mentha spicata var. spicata Spearmint
non-native
Perennial herb 
© 2022 Donald Burk 
© 2022 Donald Burk 
© 2023 Ron Vanderhoff |
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Mentha Xpiperita Peppermint
non-native
Perennial herb 
© 2019 Ron Vanderhoff 
© 2019 Ron Vanderhoff  © 1995 Saint Mary's College of California |
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Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub 
© 2017 Steve Matson 
© 2017 Steve Matson 
© 2017 Steve Matson |
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Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass 
© 2024 Michael Chasse 
© 2021 Lenihan Mazur 
© 2024 John Rawlings |
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Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
© 2008 Steve Matson 
© 2019 Joe Engelbrecht 
© 2021 Ken Lunders |
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Poa bulbosa Bulbous blue grass, Bulbous bluegrass
non-native
Perennial grass 
© 2020 Julie A. Kierstead 
© 2019 Stephany Dery 
© 2020 Thomas Reyes |
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Polygonum aviculare ssp. depressum Prostrate knotweed
non-native
Annual, Perennial herb 
© 2016 Barbara Boethling 
© 2021 Ron Vanderhoff 
© 2014 Richard Chasey |
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Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb 
© 2017 Lisa Miller 
© 2020 Ron Vanderhoff 
© 2023 Julia Markey |
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Acroptilon repens Russian knapweed
non-native
Perennial herb 
© 2017 Barbara Boethling 
© 2014 Steve Matson 
© 2017 Barbara Boethling |
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Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
© 2014 James Gonsman 
© 2018 Richard Spjut 
© 2013 Michael Mitchell |
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Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
© 2017 Gary McDonald 
© 2008 Steve Matson 
© 2019 Patrick Furtado |
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Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
© 2018 Tim Lewis 
© 2019 Diane Etchison 
© 2023 Ron Vanderhoff |
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Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
© 2017 Ron Vanderhoff 
© 2018 Angelique Herman 
© 2023 Cynthia Powell |
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Schismus arabicus Arabian schismus, Mediterranean grass
• invasive non-native
Annual grass 
© 2020 Ron Vanderhoff 
© 2017 James Bailey 
© 2022 Katherine Stratton |
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Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb 
© 2020 Nancy Hamlett 
© 2019 Marisa Persaud 
© 2018 Angelique Herman |
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Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass 
© 2022 Donald Burk 
© 2022 Ron Vanderhoff 
© 2022 Donald Burk |
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Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
© 2025 richard mcneill 
© 2017 Barbara Boethling 
© 2022 Ron Vanderhoff |
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Tragopogon dubius Goat's beard, Yellow salsify
• invasive non-native
Perennial herb 
© 2020 Bob Sweatt 
© 2020 Bob Sweatt 
© 2020 Alaine Arslan |
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Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb 
© 2015 Steve Matson 
© 2015 Steve Matson 
© 2020 Ron Vanderhoff |
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Trifolium hirtum Rose clover
• invasive non-native
Annual herb 
© 2011 Steve Matson 
© 2011 Steve Matson 
© 2011 Steve Matson |
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Verbascum blattaria Moth mullein
non-native
Perennial herb 
© 2024 Mike Russler 
© 2019 Marisa Persaud 
© 2019 Patrick Furtado |
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Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb 
© 2021 R.A. Chasey 
© 2020 Kim Cabrera 
© 2016 Cynthia Powell |
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Veronica persica Bird's eye speedwell, Birdeye speedwell
non-native
Annual herb 
© 2019 Patrick Furtado 
© 2022 Bob Sweatt 
© 2022 Ron Vanderhoff |
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Vinca major Greater periwinkle, Bigleaf periwinkle
• invasive non-native
Perennial herb 
© 2020 Julia Markey 
© 2022 Ron Vanderhoff 
© 2021 Ron Vanderhoff |
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Xanthium spinosum Spiny clotbur, Spiny cockleburr
non-native
Annual herb 
© 2017 B.J. Dion 
© 2021 Lynn Overtree 
© 2017 B.J. Dion |
