Euthamia occidentalis

Euthamia occidentalis is a flowering plant, known by the common names western flat topped goldenrod, western goldentop and western goldenrod, in the family Asteraceae.

Description
Euthamia occidentalis is a scrubby perennial plant with many green stems which age into a dull brownish-green, and green small leaves. It has plentiful yellowish clusters of flowers. Flowers bloom July to November.

Distribution and habitat
It is a common plant of western North America, from British Columbia and Alberta, the Western United States (from the Pacific as far east as Montana, Nebraska, New Mexico), and Baja California. It is most likely to be found near water, such as wetlands, ditches, and marshes.