Solidago pinetorum

Solidago pinetorum is a North American plant species in the sunflower family, called Small's goldenrod or pineywoods goldenrod. It is found in the east-central United States: Virginia, West Virginia, and the Carolinas.
"Solidago pinetorum" is a perennial herb up to 110 cm (44 inches) tall, spreading by means of underground rhizomes. One plant can produce as many as 350 small yellow flower heads in a showy branching array at the top of the plant. The plant grows in open places, often in pine woodlands on hillsides.