Solidago lepida

Solidago lepida, the western Canada goldenrod or western goldenrod, is a North American plant species in the genus Solidago of the family Asteraceae. It is widespread across much of Canada, the western United States, and northern Mexico. Description Solidago lepida is a perennial herb up to 150 cm (5 feet) tall, spreading by means of underground rhizomes. Leaves have coarse teeth and are on the stem rather than at the base. One plant can sometimes produce as many as 800 small flower heads, each with 7-22 ray florets surrounding 2-13 disc florets. Varieties Solidago lepida subsp. fallax (Fernald) Semple - Labrador, Newfoundland, Québec, New Brunswick Solidago lepida var. lepida - from Alaska east to Northwest Territories and south to California, Arizona, New Mexico, Chihuahua Solidago lepida var. salebrosa (Piper) Semple - Rocky Mountains from Alberta + British Columbia south to New Mexico, Arizona and Baja California...read more on Wikipedia.