Solidago hintoniorum
Solidago hintoniorum is rare Mexican species of flowering plants in the family Asteraceae. It has been found in Nuevo León, Tamaulipas, and Coahuila in northeastern Mexico.
Solidago hintoniorum is a perennial herb up to 100 cm tall, spreading by means of underground rhizomes. Leaves are lance-shaped, up to 10 cm long. Flower heads are yellow, in elongated arrays at the tops of the stems.