Weeds A-Z
Annual spurges (Euphorbia spp.)
Broadleaf plantain (Plantago major), University of California
Canada thistle (Cirsium arvense)
Cheatgrass (Bromus tectorum)
Common lambsquarters (Chenopodium albus), University of California
Common mallow (Malva neglecta)
Common mullein (Verbascum thapsus), Natural Resources Conservation Service
Common purslane (Portulacaceae)
Dalmatian toadflax (Linaria dalmatica)
Dandelion (Taraxacum officinale)
Field bindweed (Convolvulus arvensis)
Hoary cress /whitetop (Cardaria draba), Colorado Weed Management Association
Knapweed, diffuse and spotted (Centaurea spp.)
Kochia (Chenopodiaceae), University of Wyoming
Knotweeds (Polygonaceae), University of Wyoming
Leafy spurge (Euphorbia esula),
Using integrated weed management to control leafy spurge (YouTube)
Musk thistle (Carduus nutans)
Redroot pigweed (Amaranthus retroflexus), University of Wyoming
Prostrate knotweed (Polygonum arenastrum), University of California
Puncturevine (Tribulus terrestris), University of Wyoming
Redstem filaree (Erodium spp.), Colorado Department of Agriculture
Russian knapweed (Acroptilon repens)
Russian thistle (Salsola spp.)
Yellow starthistle (Centaurea solstitialis), University of California
Yellow toadflax (Linaria vulgaris)
White clover (Trifolium repens), University of California
Noxious & Invasive Weeds
Weed Identification Tool, Colorado Weed Management Association
List of Colorado noxious weeds, Colorado Department of Agriculture
