Scotch Thistle (Onopordum acanthium)
Scotch Thistle (Onopordum acanthium) is an introduced plant in the Aster Family (Asteraceae). It is found in disturbed sites, roadsides and dry slopes and seasonal floodplains from the plains to to foothills on the eastern and western slopes. Blooms from June through...
Yellow Sweet Clover (Melilotus officinalis)
Yellow Sweet Clover (Melilotus officinalis) is an introduced herb in the Alfalfa (Medicago) family. It is common along roadsides, in fields, and in disturbed and weedy areas, from the plains to the foothills on the eastern and western slopes. It blooms from May...
Crownvetch (Securigera varia)
Crownvetch (Securigera varia) is an introduced herb in the Pea Family (Fabaceae) which is found along roadsides and in disturbed areas, sometimes used in revegetation plantings. It grows from the plains to the foothills and blooms from June through September on the...