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

Weed Identification Tool, Colorado Weed Management Association

List of Colorado noxious weeds, Colorado Department of Agriculture