 Symphyotrichum frondosum

Symphyotrichum frondosum (formerly "Aster frondosus") is a species of aster known by the common name short-rayed alkali aster.It is native to much of western North America from British Columbia and the Cascade Range, the Sierra Nevada, Transverse, and Peninsular Ranges in California, the Rocky Mountains, to Arizona and New Mexico, where it grows in wet habitat such as marshes and meadows, especially in alkaline or saline conditions.