Solidago squarrosa is a perennial herb up to 150 cm (5 feet) tall, with a branching underground caudex. Leaves are egg-shaped, up to 20 cm (8 inches) long near the base of the plant, shorter farther up the stem. One plant can produce as many as 200 small yellow flower heads in a narrow, elongate array at the top of the plant.[2]
Galls
This species is host to the following insect induced galls: