Illustrated Plant List UC IPM Agricultural Weeds |
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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 |
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2002 Jennifer Forman
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2008 Louis-M. Landry
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2002 Jennifer Forman |
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Amaranthus albus Pigweed amaranth, Tumbleweed | ||||
non-native Annual herb |
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2006 Keir Morse
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2004 Penn Martin II
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2005 Steve Matson |
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Amaranthus deflexus Amaranth, Large fruited amaranth, Largefruit amaranth | ||||
non-native Annual herb |
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2012 Neal Kramer
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2006 Luigi Rignanese
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2006 Adonis (Don) Tate |
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Amaranthus hybridus Slender pigweed, Slim amaranth | ||||
non-native Annual herb |
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2006 Adonis (Don) Tate
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2006 Adonis (Don) Tate
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2006 Adonis (Don) Tate |
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Amaranthus palmeri Carelessweed, Palmer's amaranth | ||||
native Annual herb |
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2015 Keir Morse
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2008 Zoya Akulova
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2011 Christopher Bronny |
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Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth | ||||
non-native Annual herb |
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2007 Neal Kramer
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2007 Neal Kramer
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2008 Louis-M. Landry |
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Amsinckia douglasiana Douglas' fiddleneck | ||||
![]() Annual herb |
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2013 Chris Winchell
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2013 Chris Winchell
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2013 Chris Winchell |
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Amsinckia menziesii var. intermedia Common fiddleneck | ||||
(currently Amsinckia intermedia) | ||||
native Annual herb |
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2004 George W. Hartwell
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2010 Thomas Stoughton
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2012 Keir Morse |
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Amsinckia menziesii Menzies' fiddleneck, Small flowered fiddleneck | ||||
native Annual herb |
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2004 James M. Andre
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2010 Dee E. Warenycia
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2012 Gary McDonald |
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Avena fatua Wild oat, Wildoat | ||||
invasive non-native Annual grass |
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2008 Keir Morse
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2002 James B. Gratiot
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2008 Zoya Akulova |
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Brassica juncea Brown mustard, India mustard | ||||
non-native Annual herb |
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Brassica nigra Black mustard | ||||
invasive non-native Annual herb |
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2011 Jorg & Mimi Fleige
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2009 Barry Breckling
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2009 Zoya Akulova |
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Brassica rapa Common mustard, Field mustard, Rape mustard | ||||
invasive non-native Annual herb |
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2008 Neal Kramer
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2008 Neal Kramer
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2009 Zoya Akulova |
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Brassica rapa var. amplexicaulis Field mustard | ||||
non-native Annual herb |
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Brassica rapa var. rapa Field mustard, Turnip | ||||
invasive non-native Annual herb |
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Brassica tournefortii Saharan mustard | ||||
invasive non-native Annual herb |
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2005 Michelle Cloud-Hughes
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2009 Thomas Stoughton
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2009 Thomas Stoughton |
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass | ||||
invasive non-native Annual grass |
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2009 Neal Kramer
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2008 Zoya Akulova
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2004 Carol W. Witham |
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Bromus hordeaceus Soft brome, Soft chess | ||||
invasive non-native Annual grass |
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2006 Brent Miller
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2009 Keir Morse
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2008 Zoya Akulova |
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Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess | ||||
invasive non-native Annual grass |
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2008 Gary A. Monroe
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2001 Joe DiTomaso
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2001 Joe DiTomaso |
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Calandrinia ciliata Red maids | ||||
(currently Calandrinia menziesii) | ||||
native Annual herb |
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2008 Neal Kramer
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2010 Neal Kramer
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2008 Keir Morse |
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Capsella bursa-pastoris Shepherd's purse | ||||
non-native Annual herb |
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2007 Carol W. Witham
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2008 Gary McDonald
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2008 Steve Matson |
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Cenchrus longispinus Mat sandbur | ||||
invasive non-native Annual grass |
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2013 Trent M. Draper
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2013 Trent M. Draper
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2011 Aaron Arthur |
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Centaurea solstitialis Barnaby's thistle, Yellow star thistle | ||||
invasive non-native Annual herb |
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2004 Carol W. Witham
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2008 Luigi Rignanese
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2014 Robert F Norris |
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Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot | ||||
non-native Annual herb |
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2008 Keir Morse
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2005 Louis-M. Landry
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2005 Steve Matson |
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Chenopodium murale Nettle leaf goosefoot, Sowbane | ||||
non-native Annual herb |
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2009 Zoya Akulova
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2009 Zoya Akulova
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2004 Debra Valov |
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Cirsium arvense Canada thistle | ||||
invasive non-native Perennial herb |
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2008 Keir Morse
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2007 Luigi Rignanese
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2009 Phil Pullen |
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Claytonia perfoliata Miner s lettuce, Miner's lettuce | ||||
native Annual herb |
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2015 Robert Sikora
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2009 John W. Wall
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2007 Neal Kramer |
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Convolvulus arvensis Field bindweed, Orchard morningglory | ||||
invasive non-native Perennial herb, Vine |
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2005 Steve Matson
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2008 Dr. Amadej Trnkoczy
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2008 Dr. Amadej Trnkoczy |
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Croton setigerus Turkey-mullein | ||||
(currently Croton setiger) | ||||
native Annual herb |
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2001 Steven Thorsted
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2009 Neal Kramer
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2001 Steven Thorsted |
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Cuscuta approximata Alfalfa dodder | ||||
non-native Annual herb, Vine (parasitic) |
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Cuscuta campestris Field dodder | ||||
native Annual herb, Vine (parasitic) |
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2010 Vernon Smith
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1999 Doreen L. Smith
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2015 Keir Morse |
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Cuscuta indecora Big seed alfalfa dodder, Bigseed alfalfa dodder | ||||
native Annual herb, Vine (parasitic) |
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2011 Sierra Pacific Industries
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2011 Sierra Pacific Industries
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2011 Sierra Pacific Industries |
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Cuscuta japonica Japanese dodder | ||||
invasive non-native Annual herb, Vine (parasitic) |
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2009 Barry Rice
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2009 Barry Rice
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2006 No copyright; distribute and reproduce freely |
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Cuscuta leptantha Slender dodder | ||||
non-native Annual herb, Vine (parasitic) |
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2008 Neal Kramer
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2008 Neal Kramer
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Cuscuta pentagona Five angled dodder, Fiveangled dodder, Western field dodder | ||||
native Annual herb, Vine (parasitic) |
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© 2016 Keir Morse
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2016 Keir Morse
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2016 Keir Morse |
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Cynodon dactylon Bermuda grass, Bermudagrass | ||||
invasive non-native Perennial grass |
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2008 Keir Morse
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2008 Keir Morse
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2008 Zoya Akulova |
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Cyperus esculentus Chufa flatsedge, Nut grass, Yellow nutgrass | ||||
native Perennial grasslike herb |
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2008 Louis-M. Landry
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2016 Ron Vanderhoff
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2016 Ron Vanderhoff |
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Cyperus rotundus Nutgrass | ||||
invasive non-native Perennial grasslike herb |
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2005 Luigi Rignanese
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2005 Luigi Rignanese
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2005 Luigi Rignanese |
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Datura stramonium Jimson weed, Jimsonweed | ||||
non-native Annual herb |
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2004 Joseph Dougherty/ecology.org
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2005 Dr. Amadej Trnkoczy
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2009 Neal Kramer |
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Digitaria ischaemum Smooth crabgrass | ||||
non-native Annual grass |
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2006 Dean Wm. Taylor, Ph.D.
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2006 Steve Matson
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2006 Steve Matson |
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Digitaria sanguinalis Hairy crabgrass | ||||
non-native Annual grass |
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2005 Luigi Rignanese
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2010 Louis-M. Landry
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2009 Zoya Akulova |
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Echinochloa colona Jungle rice | ||||
non-native Annual grass |
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2008 John Dittes
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2015 Zoya Akulova
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2006 Luigi Rignanese |
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Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass | ||||
non-native Annual grass |
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2003 George W. Hartwell
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2008 Zoya Akulova
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2011 Eric Wrubel/NPS |
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Eleusine indica Goose grass, Indian goosegrass | ||||
non-native Annual grass |
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2005 Luigi Rignanese
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2005 Luigi Rignanese
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2014 Dale Ritenour |
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Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb | ||||
native Annual herb |
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2001 Jeff Abbas
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2013 Jean Pawek
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2007 Ron Wolf |
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Eragrostis barrelieri Mediterranean lovegrass | ||||
non-native Annual grass |
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2007 Steve Matson
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2007 Steve Matson
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2007 Steve Matson |
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Eragrostis cilianensis Stinkgrass | ||||
non-native Annual grass |
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2012 Keir Morse
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2005 Luigi Rignanese
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2004 Laura Ann Eliassen |
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Eragrostis curvula Weeping lovegrass | ||||
non-native Perennial grass |
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2015 pamela beitz
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Eragrostis lehmanniana Lehmann lovegrass | ||||
non-native Perennial grass |
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Eragrostis minor Little lovegrass | ||||
non-native Annual grass |
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Conyza bonariensis Flax-leaved horseweed | ||||
(currently Erigeron bonariensis) | ||||
non-native Annual herb |
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2009 Neal Kramer
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2008 Jorg Fleige
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2009 Neal Kramer |
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Conyza canadensis Canada horseweed | ||||
(currently Erigeron canadensis) | ||||
native Annual herb |
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2005 Luigi Rignanese
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2010 Louis-M. Landry
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2009 Neal Kramer |
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree | ||||
non-native Annual herb |
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2002 James B. Gratiot
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2010 Zoya Akulova
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2010 Zoya Akulova |
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Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill | ||||
invasive non-native Annual herb |
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2009 Keir Morse
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2007 Luigi Rignanese
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2008 Steve Matson |
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Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree | ||||
invasive non-native Annual herb |
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2007 Luigi Rignanese
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2003 Michael Charters
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2012 Neal Kramer |
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Gnaphalium collinum Creeping cudweed | ||||
(currently Euchiton gymnocephalus) | ||||
non-native Perennial herb |
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2008 Zoya Akulova
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2009 Zoya Akulova
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Chamaesyce maculata Spotted spurge | ||||
(currently Euphorbia maculata) | ||||
non-native Annual herb |
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2014 John Doyen
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2015 Barry Breckling
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2014 John Doyen |
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Polygonum convolvulus Black bindweed | ||||
(currently Fallopia convolvulus) | ||||
non-native Annual herb |
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2008 Keir Morse
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2005 Louis-M. Landry
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2005 Louis-M. Landry |
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Festuca arundinacea Alta fescue, Reed fescue, Tall fescue | ||||
invasive non-native Perennial grass |
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2008 Keir Morse
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2000 Joe DiTomaso
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2008 Keir Morse |
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Lolium multiflorum Italian rye grass | ||||
(currently Festuca perennis) | ||||
invasive non-native Annual, Perennial grass |
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2004 Carol W. Witham
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2003 James B. Gratiot
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2009 Barry Rice |
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Lolium perenne Italian rye grass | ||||
(currently Festuca perennis) | ||||
invasive non-native Annual, Perennial grass |
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2004 Carol W. Witham
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2003 James B. Gratiot
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2009 Barry Rice |
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Gnaphalium purpureum Featherweed | ||||
(currently Gamochaeta ustulata) | ||||
native Perennial herb |
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2008 Neal Kramer
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2015 Robert Sikora
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2007 Neal Kramer |
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Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower | ||||
native Annual herb |
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2003 George W. Hartwell
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2011 Zoya Akulova
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2010 Neal Kramer |
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Helianthus ciliaris Texas blueweed | ||||
invasive non-native Perennial herb |
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2001 CDFA
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2001 CDFA
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2001 CDFA |
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Helianthus maximilianii Maximilian sunflower | ||||
non-native Perennial herb |
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2011 Gina Darin
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Helianthus petiolaris Prairie sunflower | ||||
non-native Perennial herb |
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2010 Ron Wolf
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2010 Ron Wolf
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2015 Richard Spellenberg |
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Helianthus tuberosus Jerusalem artichoke | ||||
invasive non-native Perennial herb |
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2011 Nick Kurzenko
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2005 Luigi Rignanese
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Hemizonia congesta Hayfield tarweed | ||||
native Annual herb |
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2015 Vernon Smith
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2010 Vernon Smith
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2015 John Doyen |
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Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley | ||||
native Perennial grass |
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2005 Louis-M. Landry
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2009 Barry Rice
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2009 Zoya Akulova |
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Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley | ||||
non-native Annual grass |
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2009 Keir Morse
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2010 Neal Kramer
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2008 Zoya Akulova |
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Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear | ||||
invasive non-native Perennial herb |
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2015 John Doyen
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2008 Sean B. Smith
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2004 Michael Charters |
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Kickxia elatine Sharp leaved fluellin, Sharp point fluellin, Sharpleaf cancerwort | ||||
non-native Perennial herb |
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2008 Keir Morse
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2005 Michael Charters
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2008 Keir Morse |
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Kickxia spuria Fluellin, Roundleaf cancerwort | ||||
non-native Perennial herb |
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2002 Tony Morosco
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2013 Neal Kramer
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2013 Zoya Akulova |
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Kochia scoparia Common red sage, Mexican fireweed, Summer cypress | ||||
invasive non-native Annual herb |
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2001 CDFA
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2006 Erin McDermott
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2014 Zoya Akulova |
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Kyllinga brevifolia Short leaf spikesedge, Shortleaf spikesedge | ||||
non-native Perennial grasslike herb |
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2015 Vernon Smith
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2015 Vernon Smith
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2001 CDFA |
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Lactuca serriola Prickly lettuce, Prickly wild lettuce | ||||
invasive non-native Annual herb |
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2008 Keir Morse
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2006 Jennifer Naegele
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2006 Luigi Rignanese |
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Lamium amplexicaule Giraffe head, Henbit deadnettle | ||||
non-native Annual herb |
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2003 Michael Charters
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2005 Steve Matson
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2008 Gary McDonald |
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Coronopus didymus Lesser swine cress | ||||
(currently Lepidium didymum) | ||||
non-native Annual herb |
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2007 Neal Kramer
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2011 Barry Breckling
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2009 Neal Kramer |
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Leptochloa fascicularis Bearded sprangletop | ||||
(currently Leptochloa fusca ssp. fascicularis) | ||||
native Annual grass |
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2007 Tom Cochrane
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2010 Zoya Akulova
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2007 Tom Cochrane |
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Malva parviflora Cheeseweed mallow | ||||
non-native Annual herb |
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2012 Neal Kramer
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2002 Tom Annese
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2008 Luigi Rignanese |
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Chamomilla suaveolens Pineapple weed | ||||
(currently Matricaria discoidea) | ||||
native Annual herb |
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2008 Keir Morse
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2005 Louis-M. Landry
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2008 Steve Matson |
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Medicago polymorpha Bur clover, Bur medic, California burclover | ||||
invasive non-native Annual herb |
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2003 Michael Charters
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2004 Carol W. Witham
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2008 Steve Matson |
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Melilotus officinalis Yellow sweetclover | ||||
invasive non-native Annual, Biennial herb |
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2010 Jean Pawek
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2005 Louis-M. Landry
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2010 Lee Dittmann |
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Oxalis pes-caprae Bermuda buttercup, Sourgrass | ||||
invasive non-native Perennial herb |
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Jo-Ann Ordano 2005 California Academy of Sciences
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2009 Thomas Stoughton
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2009 Barry Rice |
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Panicum capillare Old witch grass, Witchgrass | ||||
native Annual grass |
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2006 Louis-M. Landry
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2008 Louis-M. Landry
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2006 Louis-M. Landry |
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Paspalum dilatatum Dallis grass, Dallisgrass | ||||
non-native Perennial grass |
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2006 Steven Thorsted
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2009 Zoya Akulova
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2002 Ann Dennis |
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Polygonum persicaria Spotted ladysthumb | ||||
(currently Persicaria maculosa) | ||||
non-native Annual herb |
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2008 Keir Morse
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2008 Louis-M. Landry
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2008 Keir Morse |
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Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass | ||||
non-native Annual grass |
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2006 James M. Andre
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2006 James M. Andre
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2010 Eliza Maher Hasselquist |
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Physalis acutifolia Sharp leaf ground cherry, Sharpleaf groundcherry | ||||
native Annual herb |
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2009 Neal Kramer
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2009 Neal Kramer
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2009 Neal Kramer |
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Physalis lancifolia Narrow leaf tomatillo | ||||
non-native Annual herb |
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Physalis philadelphica Mexican groundcherry, Tomatillo | ||||
non-native Annual herb |
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2011 Louis-M. Landry
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2015 Zoya Akulova
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2015 Zoya Akulova |
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Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass | ||||
invasive non-native Perennial herb |
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2007 Neal Kramer
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2008 Keir Morse
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2009 Lee Dittmann |
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Poa annua Annual blue grass, Annual bluegrass | ||||
non-native Annual grass |
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2004 Carol W. Witham
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2010 Neal Kramer
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2011 Ryan Batten |
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Polygonum arenastrum Prostrate knotweed | ||||
(currently Polygonum aviculare ssp. depressum) | ||||
non-native Annual, Perennial herb |
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2009 Barry Breckling
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2011 Jorg & Mimi Fleige
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2008 Neal Kramer |
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Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass | ||||
invasive non-native Annual grass |
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2007 Neal Kramer
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2006 Steve Matson
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2006 Steve Matson |
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Portulaca oleracea Common purslane, Little hogweed, Purslane | ||||
non-native Annual herb |
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2008 Keir Morse
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2006 Jeff Abbas
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2004 James M. Andre |
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Gnaphalium luteo-album Jersey cudweed | ||||
(currently Pseudognaphalium luteoalbum) | ||||
non-native Annual herb |
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2008 Jorg Fleige
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2008 Gary McDonald
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2015 John Doyen |
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Gnaphalium stramineum Cottonbatting plant | ||||
(currently Pseudognaphalium stramineum) | ||||
native Perennial herb |
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2007 Neal Kramer
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2009 Neal Kramer
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2009 Neal Kramer |
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Raphanus raphanistrum Jointed charlock, Painted charlock, Wild radish | ||||
non-native Annual, Perennial herb |
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2008 Keir Morse
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2003 Yulan Tong
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2004 Carol W. Witham |
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Rubus armeniacus Himalayan blackberry | ||||
invasive non-native Shrub |
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2002 George W. Hartwell
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2008 Thomas Stoughton
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2009 Zoya Akulova |
||
Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry | ||||
native Shrub |
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2008 Zoya Akulova
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2009 Zoya Akulova
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2014 Zoya Akulova |
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Rubus parviflorus Western thimbleberry | ||||
native Vine, Shrub |
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2004 George W. Hartwell
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2004 Robert Sivinski
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2005 Robert Sivinski |
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Rubus discolor Elmleaf blackberry | ||||
(currently Rubus ulmifolius) | ||||
non-native Vine, Shrub |
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2005 Luigi Rignanese
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2005 Luigi Rignanese
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2005 Luigi Rignanese |
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Rubus ursinus California blackberry, Pacific blackberry | ||||
native Vine, Shrub |
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2008 Keir Morse
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2013 Zoya Akulova
|
2007 Neal Kramer |
||
Rumex acetosella Common sheep sorrel | ||||
invasive non-native Perennial herb |
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2007 Dr. Mark S. Brunell
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2013 Margo Bors
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2004 Carol W. Witham |
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Rumex crispus Curly dock, Curly leaved dock, Rhubarb | ||||
invasive non-native Perennial herb |
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2000 Joseph Dougherty/ecology.org
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2009 Zoya Akulova
|
2004 Carol W. Witham |
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Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed | ||||
invasive non-native Annual herb |
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2001 Jeff Abbas
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2009 Neal Kramer
|
2001 Jeff Abbas |
||
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring | ||||
non-native Annual herb |
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2005 Steve Matson
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2010 Neal Kramer
|
2008 Neal Kramer |
||
Setaria faberi Foxtail, Japanese bristlegrass | ||||
invasive non-native Annual grass |
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2007 Robert E. Preston, Ph.D.
|
2008 Louis-M. Landry
|
2008 Louis-M. Landry |
||
Setaria pumila Yellow bristlegrass | ||||
non-native Annual grass |
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2007 Robert E. Preston, Ph.D.
|
2014 Neal Kramer
|
2008 John Dittes |
||
Setaria viridis Green bristlegrass, Green foxtail | ||||
non-native Annual grass |
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2005 Louis-M. Landry
|
2005 Louis-M. Landry
|
2005 Louis-M. Landry |
||
Sisymbrium irio London rocket | ||||
invasive non-native Annual herb |
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2006 Richard Zmasek
|
2007 Luigi Rignanese
|
2010 Zoya Akulova |
||
Solanum nigrum Black nightshade | ||||
non-native Annual herb |
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2005 Dr. Amadej Trnkoczy
|
2010 Tommaso Sitzia
|
2005 Luigi Rignanese |
||
Solanum physalifolium Hoe nightshade | ||||
non-native Shrub |
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Sonchus arvensis Field sowthistle, Perennial sow thistle | ||||
invasive non-native Perennial herb |
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2015 Richard Spellenberg
|
2006 Louis-M. Landry
|
2015 Richard Spellenberg |
||
Sonchus asper Spiny sowthistle | ||||
invasive non-native Annual herb |
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2006 Louis-M. Landry
|
2004 Robert E. Preston, Ph.D.
|
2005 Steve Matson |
||
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle | ||||
invasive non-native Annual herb |
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2011 Zoya Akulova
|
2006 Brent Miller
|
2010 Zoya Akulova |
||
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle | ||||
non-native Annual herb |
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2008 Gary McDonald
|
2004 Laura Ann Eliassen
|
2008 Gary McDonald |
||
Sonchus tenerrimus Slender sow thistle, Slender sowthistle | ||||
non-native Annual herb |
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2007 Luigi Rignanese
|
2005 Luigi Rignanese
|
2007 Luigi Rignanese |
||
Sorghum halepense Johnsongrass | ||||
invasive non-native Perennial grass |
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2006 Luigi Rignanese
|
2009 Zoya Akulova
|
2011 Barry Breckling |
||
Stellaria media Chickweed | ||||
non-native Annual herb |
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2001 Jeff Abbas
|
2008 Steve Matson
|
2008 Gary McDonald |
||
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion | ||||
invasive non-native Perennial herb |
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2005 Louis-M. Landry
|
2007 Louis-M. Landry
|
2008 Keir Morse |
||
Toxicodendron diversilobum Poison oak, Poisonoak | ||||
native Vine, Shrub |
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2008 Gary McDonald
|
2008 Zoya Akulova
|
2008 Keir Morse |
||
Tribulus terrestris Puncture vine, Puncturevine | ||||
invasive non-native Annual herb |
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2004 James M. Andre
|
2004 James M. Andre
|
2011 Zoya Akulova |
||
Trifolium repens White clover | ||||
non-native Perennial herb |
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2007 Steve Matson
|
2014 Zoya Akulova
|
2005 George W. Hartwell |
||
Urtica urens Annual stinging nettle, Dwarf nettle | ||||
non-native Annual herb |
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2008 Gary McDonald
|
2015 Belinda Lo
|
2012 Jean Pawek |
||
Veronica persica Bird's eye speedwell, Birdeye speedwell | ||||
non-native Annual herb |
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2011 Robert Hamilton
|
2009 Keir Morse
|
2006 Luigi Rignanese |
||
Xanthium strumarium Rough cockleburr | ||||
native Annual herb |
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2008 John Dittes
|
2008 Louis-M. Landry
|
2014 Neal Kramer |
||