Tall Tumbleweed (Sisymbrium altissimum)

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)

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...
Cheatgrass (Bromus tectorum)

Cheatgrass (Bromus tectorum)

Cheatgrass (Bromus tectorum). Grass Family (Poaceae). An exotic invasive grass in the C-list of Colorado noxious weeds, common in fields, grasslands, meadows, shrublands, forests, disturbed areas, and on dry slopes in every Colorado county from the plains to...
Shrubby Cinquefoil (Diasphora fruticosa)

Shrubby Cinquefoil (Diasphora fruticosa)

Shrubby Cinquefoil (Diasphora fruticosa), Rose Family (Rosaceae). Native and the only shrub in the Potentilla genus, common in meadows, along streams, and in forests from foothills to alpine on the eastern and western slopes. Blooms from June through September. Photo...
Sulphur Cinquefoil (Potentilla recta)

Sulphur Cinquefoil (Potentilla recta)

Sulphur cinquefoil (Potentilla recta), Rose Family (Rosaceae) an introduced plant which has spread into native plant communities and is uncommon in meadows and on grassy slopes from plains to foothills on the eastern and western slopes. Photo by Mo...