IMCWMA Weed Identification

Click on any of the links below for photos and other information about that weed species:

• Dyer's woad (Isatis tinctoria)
  ©2005 Luigi Rignanese
  
  
• eggleaf spurge (Euphorbia oblongata)
  ©2001 CDFA
  
  
• English ivy (Hedera helix)
• fennel (Foeniculum vulgare)
  © Br. Alfred Brousseau, Saint Mary's College
  
  
• foxglove (Digitalis purpurea)
  ©2005 George Rembert
  
  
• French Broom (Genista monspessulana)
• giant reed (Arundo donax)
  ©2007 Dr. Amadej Trnkoczy.
  
  
• gorse (Ulex europaeus)
• Harding grass (Phalaris aquatica)
  © 2001 CDFA
  
  
• Himalayan blackberry (Rubus armeniacus)
• Italian thistle (Carduus pycnocephalus)
• large rattlesnake grass (Briza maxima)
  ©2007 Dr. Amadej Trnkoczy.
  
  
• little robin (Geranium purpurea)
  ©2007 Dr. Amadej Trnkoczy
  
  
• meadow knapweed (Centaurea debeauxii)
  ©2002 Molly Elizabeth Bagley
  
  
• pampas grass (Cortaderia selloana)
  ©2001 CDFA
  
  
• parrot's feather (Myriophyllum aquaticum)
  ©2001 CDFA
  
  
• Patterson's curse (Echium plantagineum)
  ©2005 Luigi Rignanese
  
  
• pennyroyal (Mentha pulegium)
  ©1995 Saint Mary's College of California
  
  
• periwinkle (Vinca major)
• poison hemlock (Conium maculatum)
  ©2001 CDFA
  
  
• purple loosestrife (Lythrum salicaria)
  ©2005 George W. Hartwell
  
  
• purple starthistle (Centaurea calcitrapa)
  ©2005 Luigi Rignanese
  
  
• red sesbania (Sesbania punicea)
  ©2005 George W. Hartwell
  
  
• rose clover (Trifolium hirtum)
  ©2004 Carol W. Witham
  
  
• rush skeleton weed (Chondrilla juncea)
  ©2006 Luigi Rignanese
  
  
• saltcedar (Tamarix spp.)
  ©1999 Joe DiTomaso
  
  
• Scotch broom (Cytisus scoparius)
• silver wattle (Acacia dealbata)
  © 2008 Neal Kramer
  
  
• Spanish broom (Spartium junceum)
  ©2006 Jennifer Naegele
  
  
• spotted knapweed (Centaurea stoebe)
  ©2007 Neal Kramer
  
  
• tansy ragwort (Senecio jacobaea)
  ©1995 Saint Mary's College of California
  
  
• teasel (Dipsacus spp.)
  ©2005 Louis-M. Landry.
  
  
• wild radish (Raphanus spp.)
  ©2004 Carol W. Whitman
  
  
• woolly distaff thistle (Carthamus lanatus)
  ©2006 Luigi Rignanese
  
  
• yellow starthistle (Centaurea solstitialis)
  ©2003 George W. Hartwell