Bindweed (Convulvus arvensis)
Bindweed (Convulvus arvensis), Morning Glory Family (Convolvulaceae), an introduced perennial vine from Europe and Asia which is very invasive but not on the Colorado Noxious Weed list, common along roadsides, in fields, and other disturbed places, from plains to...
Tall Tumbleweed (Sisymbrium altissimum)
Tall Tumbleweed (Sisymbrium altissimum), Mustard Family (Brassicaceae), an introduced species, common in distrubed areas, fields, grasslands, and along roadsices from plains to montane, on the eastern and western slopes. Blooms from May through October. This plant...
Smooth Brome (Bromopsis inermis)
Smooth Brome (Bromopsis inermis), Grass Family (Poaceae), and exotic invasive grass, not on the Colorado list of noxious weeds, but considered invasive by the U.S. Park Service in Dinosaur National Monument and Rocky Mountain National Park. It icommon in disturbed...