About Solidago radula Nutt.
Solidago radula Nutt., commonly known as the western rough goldenrod, is a North American plant species belonging to the Asteraceae family. It is primarily distributed across the southern Great Plains and the Mississippi Valley of the United States, ranging from Texas to Illinois, with separate isolated populations located further east in Kentucky, Georgia, and the Carolinas. This species is a perennial herb that grows up to 90 cm (3 feet) tall, and has a caudex and rhizomes. Its lower leaves can reach up to 10 cm (4 inches) in length, while leaves growing higher on the stem are much smaller. A single individual plant can produce up to 260 small yellow flower heads arranged in a branching structure. Solidago radula grows in open rocky areas and dry woodlands.