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| All plants mentioned as agricultural weeds on the UC Integrated Pest Management website: http://www.ipm.ucdavis.edu/ | ||||||
| 128 PLANTS |
|
Abutilon theophrasti Velvet leaf, Velvetleaf
non-native
Annual herb 
2022 Morgan Stickrod
2023 Donald Burk
2023 Donald Burk
|
|
Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2018 Ron Vanderhoff
|
|
Amaranthus deflexus Amaranth, Large fruited amaranth, Largefruit amaranth
non-native
Annual herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Amaranthus hybridus Slender pigweed, Slim amaranth
non-native
Annual herb 
2016 Jean Pawek
2016 Jean Pawek
2016 Jean Pawek
|
|
Amaranthus palmeri Carelessweed, Palmer's amaranth
native
Annual herb 
2020 Timothy Blank
2018 Lynn Sosnoskie
2018 Lynn Sosnoskie
|
|
Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth
non-native
Annual herb 
2017 Ingrid Cabada
2022 Jennifer Mo
2021 Ron Vanderhoff
|
|
Amsinckia douglasiana Douglas' fiddleneck
• rare native
Annual herb 
2023 Matt Berger
2023 Matt Berger
2018 Richard Spjut
|
|
Amsinckia menziesii var. intermedia Common fiddleneck
native
Annual herb 
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck
native
Annual herb 
2020 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass 
2018 Gary McDonald
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Brassica juncea Brown mustard, India mustard
non-native
Annual herb  2022 Vernon Smith
 2020 Zoya Akulova
 2021 Zoya Akulova
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb 
2021 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
2024 David Wolfson
2021 Diane Etchison
2018 Angelique Herman
|
|
Brassica rapa var. amplexicaulis Field mustard
non-native
Annual herb 
2019 Randy Huey
2019 Randy Huey
2019 Randy Huey
|
|
Brassica rapa var. rapa Field mustard, Turnip
• invasive non-native
Annual herb 
2017 Barbara Boethling
2017 Cynthia Powell
2018 Angelique Herman
|
|
Brassica tournefortii Saharan mustard
• invasive non-native
Annual herb 
2023 Julia Markey
2018 Jeffrey Black
2021 Ron Vanderhoff
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Calandrinia ciliata red maids, Calandrinia
native
Annual herb 
2021 Mary Ann Machi
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
2008 Steve Matson
2019 Cynthia Powell
2022 Doug Allshouse
|
|
Cenchrus longispinus Mat sandbur
• invasive non-native
Annual grass 
2018 James Bailey
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb 
2022 Cynthia Powell
2019 Arlee Montalvo
2022 Mary Herr
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb 
2022 Ron Vanderhoff
2014 Toni Corelli
2022 Ron Vanderhoff
|
|
Chenopodium murale Nettle leaf goosefoot, Sowbane
non-native
Annual herb 
2020 Ron Vanderhoff
2019 Diane Etchison
2020 Ron Vanderhoff
|
|
Cirsium arvense Canada thistle
• invasive non-native
Perennial herb 
2012 Michael Mitchell
2012 Michael Mitchell
2022 Donald Burk
|
|
Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)
native
Annual herb 
2008 Steve Matson
2019 Gary McDonald
2020 Ron Vanderhoff
|
|
Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine 
2022 Steve Matson
2021 Ron Vanderhoff
2022 Steve Matson
|
|
Croton setigerus Turkey-mullein
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2014 Richard Chasey
|
|
Cuscuta campestris Field dodder
native
Annual herb, Vine (parasitic) 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2022 Brad Cook
|
|
Cuscuta indecora Big seed alfalfa dodder, Bigseed alfalfa dodder
native
Annual herb, Vine (parasitic)  2011 Sierra Pacific Industries
 2011 Sierra Pacific Industries
 2011 Sierra Pacific Industries
|
|
Cuscuta japonica Japanese dodder
• invasive non-native
Annual herb, Vine (parasitic) 
2014 Michael Perlmutter
2014 Michael Perlmutter
2009 Barry Rice
|
|
Cuscuta leptantha Slender dodder
non-native
Annual herb, Vine (parasitic)  2008 Neal Kramer
 2008 Neal Kramer
|
|
Cuscuta pentagona Five angled dodder, Fiveangled dodder, Western field dodder
native
Annual herb, Vine (parasitic)  © 2016 Keir Morse
 2016 Keir Morse
 2016 Keir Morse
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cyperus esculentus Chufa flatsedge, Nut grass, Yellow nutgrass
native
Perennial grasslike herb 
2020 Ron Vanderhoff
2015 Gerald Carr
2019 Ron Vanderhoff
|
|
Cyperus rotundus Nutgrass
• invasive non-native
Perennial grasslike herb 
2016 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Datura stramonium Jimson weed, Jimsonweed
non-native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2020 Ron Vanderhoff
|
|
Digitaria ischaemum Smooth crabgrass
non-native
Annual grass  2006 Dean Wm. Taylor, Ph.D.
 2006 Steve Matson
 2006 Steve Matson
|
|
Digitaria sanguinalis Hairy crabgrass
non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2019 Jennifer Mo
|
|
Echinochloa colona Jungle rice
non-native
Annual grass 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass
non-native
Annual grass 
2016 Barbara Boethling
2022 R.A. Chasey
2008 Zoya Akulova
|
|
Eleusine indica Goose grass, Indian goosegrass
non-native
Annual grass 
2022 Jennifer Mo
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb 
2023 Mary Ann Machi
2019 Ramona Robison
2020 Ron Vanderhoff
|
|
Eragrostis barrelieri Mediterranean lovegrass
non-native
Annual grass  2007 Steve Matson
 2007 Steve Matson
 2007 Steve Matson
|
|
Eragrostis cilianensis Stinkgrass
non-native
Annual grass 
2021 Donald Burk
2012 Keir Morse
2021 Donald Burk
|
|
Eragrostis curvula Weeping lovegrass
non-native
Perennial grass 
2020 Donald Burk
2020 Donald Burk
2020 Donald Burk
|
|
Eragrostis minor Little lovegrass
non-native
Annual grass 
2023 Donald Burk
2023 Donald Burk
2023 Donald Burk
|
|
Conyza bonariensis Flax-leaved horseweed
non-native
Annual herb 
2021 Donald Burk
2017 Gary McDonald
2023 Ron Vanderhoff
|
|
Conyza canadensis Canada horseweed
native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
2022 Steve Matson
2008 Steve Matson
2022 Steve Matson
|
|
Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Gnaphalium collinum Creeping cudweed
non-native
Perennial herb  2008 Zoya Akulova
 2009 Zoya Akulova
 2017 Zoya Akulova
|
|
Chamaesyce maculata Spotted spurge
non-native
Annual herb 
2019 B.J. Dion
2019 B.J. Dion
2022 Ron Vanderhoff
|
|
Polygonum convolvulus Black bindweed
non-native
Annual herb 
2014 Robert L. Carr
2014 Robert L. Carr
2014 Robert L. Carr
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
2022 Cynthia Powell
2020 Robert Steers
2017 MCOSD EDRR
|
|
Lolium multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Lolium perenne Italian rye grass
• invasive non-native
Annual, Perennial grass
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Gnaphalium purpureum Featherweed
native
Perennial herb 
2019 Gary McDonald
2021 Zoya Akulova-Barlow
2019 Gary McDonald
|
|
Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower
native
Annual herb 
2019 Bob Case
2019 Bob Case
2021 Mike Russler
|
|
Helianthus ciliaris Texas blueweed
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
|
|
Helianthus maximilianii Maximilian sunflower
non-native
Perennial herb 
2011 Gina Darin
2011 Gina Darin
|
|
Helianthus petiolaris Prairie sunflower
non-native
Perennial herb 
2014 Keir Morse
2014 Keir Morse
2014 Keir Morse
|
|
Helianthus tuberosus Jerusalem artichoke
• invasive non-native
Perennial herb 
2019 Jennifer Mo
2019 Jennifer Mo
2019 Jennifer Mo
|
|
Hemizonia congesta Hayfield tarweed
native
Annual herb 
2019 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley
native
Perennial grass 
2019 Rachelle Gray
2009 Barry Rice
2009 Zoya Akulova
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass 
2022 Ron Vanderhoff
2021 Al Keuter
2021 Ron Vanderhoff
|
|
Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear
• invasive non-native
Perennial herb 
2024 Ron Vanderhoff
2017 Gary McDonald
2016 Michael Mitchell
|
|
Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort
non-native
Perennial herb 
2023 John Malpas
2018 Ron Vanderhoff
2016 Barbara Boethling
|
|
Kickxia spuria Fluellin, Roundleaf cancerwort
non-native
Perennial herb 
2020 David Wolfson
2020 Vivian Neou
2023 R.A. Chasey
|
|
Kochia scoparia Common red sage, Mexican fireweed, Summer cypress
• invasive non-native
Annual herb 
2013 Daniel Lubin
2013 Daniel Lubin
2013 Daniel Lubin
|
|
Kyllinga brevifolia Short leaf spikesedge, Shortleaf spikesedge
non-native
Perennial grasslike herb 
2020 Ron Vanderhoff
2017 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Lamium amplexicaule Giraffe head, Henbit deadnettle
non-native
Annual herb 
2005 Steve Matson
2005 Steve Matson
2021 Mike Russler
|
|
Coronopus didymus Lesser swine cress
non-native
Annual herb 
2022 Shawna Martinez
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Leptochloa fascicularis Bearded sprangletop
native
Annual grass 
2023 Donald Burk
2021 R.A. Chasey
2021 Ken Hickman
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
2022 Mike Russler
2022 Donald Burk
2022 Mike Russler
|
|
Chamomilla suaveolens Pineapple weed
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2018 Stacie Wolny
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald
|
|
Melilotus officinalis Yellow sweetclover
non-native
Annual, Biennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
2015 Richard Chasey
2017 Angelique Herman
2019 Gary McDonald
|
|
Panicum capillare Old witch grass, Witchgrass
native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass 
2018 Ron Vanderhoff
2017 Barbara Boethling
2021 Ron Vanderhoff
|
|
Polygonum persicaria Spotted ladysthumb
non-native
Annual herb 
2020 R.A. Chasey
2021 joaquin hale
2021 joaquin hale
|
|
Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass
non-native
Annual grass 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Physalis acutifolia Sharp leaf ground cherry, Sharpleaf groundcherry
native
Annual herb 
2016 Douglas Gordon-Blackwood
2009 Neal Kramer
2019 David popp
|
|
Physalis lancifolia Narrow leaf tomatillo
non-native
Annual herb 
2021 Ramona Robison
2019 Angelique Herman
2019 Angelique Herman
|
|
Physalis philadelphica Mexican groundcherry, Tomatillo
non-native
Annual herb 
2020 Alice Cummings
2022 Donald Burk
2020 Alice Cummings
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Joe Engelbrecht
2021 Ken Lunders
|
|
Polygonum arenastrum Prostrate knotweed
non-native
Annual, Perennial herb 
2016 Barbara Boethling
2021 Ron Vanderhoff
2014 Richard Chasey
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Portulaca oleracea Common purslane, Little hogweed, Purslane
non-native
Annual herb 
2022 Donald Burk
2022 Ron Vanderhoff
2020 R.A. Chasey
|
|
Gnaphalium luteo-album Jersey cudweed
non-native
Annual herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Gnaphalium stramineum Cottonbatting plant
native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Raphanus raphanistrum Jointed charlock, Painted charlock, Wild radish
non-native
Annual, Perennial herb 
2018 Angelique Herman
2016 Camille Nowell
2018 Angelique Herman
|
|
Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
2014 James Gonsman
2020 Julie A. Kierstead
2018 Richard Spjut
|
|
Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry
native
Shrub 
2019 Bob Sweatt
2019 Bob Sweatt
2023 R.A. Chasey
|
|
Rubus parviflorus Western thimbleberry, Thimbleberry
native
Vine, Shrub 
2022 Zoya Akulova-Barlow
2020 Mary Sue Ittner
2019 Patrick Furtado
|
|
Rubus discolor Elmleaf blackberry
non-native
Vine, Shrub 
2020 Jennifer Mo
2020 Jennifer Mo
2021 Ramona Robison
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub 
2018 Ken Lunders
2019 Ron Vanderhoff
2015 Kelli Kallenborn
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
2017 Gary McDonald
2008 Steve Matson
2019 Patrick Furtado
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
2018 Tim Lewis
2019 Diane Etchison
2023 Ron Vanderhoff
|
|
Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2018 Angelique Herman
2023 Cynthia Powell
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb 
2017 Barbara Boethling
2019 Ron Vanderhoff
2021 Toni Corelli
|
|
Setaria faberi Foxtail, Japanese bristlegrass
• invasive non-native
Annual grass  2007 Robert E. Preston, Ph.D.
 2008 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Setaria pumila Yellow bristlegrass
non-native
Annual grass 
2017 Peter Warner
2016 Thomas Reyes
2017 Peter Warner
|
|
Setaria viridis Green bristlegrass, Green foxtail
non-native
Annual grass 
2017 Ron Vanderhoff
2012 Zoya Akulova-Barlow
2021 David popp
|
|
Sisymbrium irio London rocket
• invasive non-native
Annual herb 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Mike Russler
|
|
Solanum nigrum Black nightshade
non-native
Annual herb 
2019 Julian Geoghegan
2019 Patrick Furtado
2021 Mike Russler
|
|
Solanum physalifolium Hoe nightshade
non-native
Shrub 
2011 Robert L. Carr
2018 Adonis Tate
2011 Robert L. Carr
|
|
Sonchus arvensis Field sowthistle, Perennial sow thistle
• invasive non-native
Perennial herb 
2023 Cynthia Powell
2023 Cynthia Powell
2015 Richard Spellenberg
|
|
Sonchus asper Spiny sowthistle
non-native
Annual herb 
2010 Michael Mitchell
2020 Julie A. Kierstead
2017 MCOSD Restoration Crew
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
2014 Gary McDonald
2022 Ron Vanderhoff
2014 Gary McDonald
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
2019 Diane Etchison
2015 Jesse Rorabaugh
2024 Ron Vanderhoff
|
|
Sonchus tenerrimus Slender sow thistle, Slender sowthistle
non-native
Annual herb  2007 Luigi Rignanese
 2007 Luigi Rignanese
|
|
Stellaria media Chickweed
non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2015 Diane Etchison
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
2020 Ron Vanderhoff
2019 Randy Huey
2021 Bryant Baker
|
|
Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb 
2015 Steve Matson
2020 Ron Vanderhoff
2020 Maura Hay
|
|
Trifolium repens White clover
non-native
Perennial herb 
2017 Gary McDonald
2007 Steve Matson
2017 Gary McDonald
|
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb 
2019 Gary McDonald
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Veronica persica Bird's eye speedwell, Birdeye speedwell
non-native
Annual herb 
2019 Patrick Furtado
2022 Bob Sweatt
2022 Ron Vanderhoff
|
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
