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Weed Identification Library

Biology, Scouting Techniques, Effects on Crop Quality, Threshold/Yield Loss and Control Tips

Amaranth Family

  • Redroot Pigweed

Buckwheat Family

  • Curled Dock
  • Prostrate Knotweed
  • Smartweed
  • Wild Buckwheat

Composite Family

  • Annual Sowthistle
  • Canada Thistle
  • Cocklebur
  • Common Burdock
  • Common Groundsel
  • Dandelion
  • Diffuse Knapweed
  • Narrow-leaved Hawk's Beard
  • Nodding Thistle
  • Perennial Sowthistle
  • Pineapple Weed
  • Scentless Chamomile

Flax Family

  • Volunteer Flax

Grass Family

  • Barnyard Grass
  • Foxtail Barley
  • Green Foxtail
  • Quackgrass
  • Volunteer Barley
  • Volunteer Wheat
  • Wild Oats

Mint Family

  • American Dragonhead
  • Hemp-nettle

Mustard Family

  • Flixweed
  • Shepherd's Purse
  • Stinkweed
  • Volunteer Canola (Brassica napus and rapa)
  • Wild Mustard

Pink Family

  • Bladder Campion
  • Chickweed
  • Cow Cockle
  • Night-flowering Catchfly
  • White Cockle

Plantain Family

  • Broad-leaved Plantain

Purslane Family

  • Purslane

Sedge Family

  • Yellow Nutsedge

Spurge Family

  • Leafy Spurge
Plant Science
222 Agriculture Building
University of Manitoba, Winnipeg, MB R3T 2N2 Canada
Phone: (204) 474-8221 Fax: (204) 474-7528
Plant Science


Staff Resources   © 2012 University of Manitoba