Solidago rugosa, commonly known as rough-stemmed goldenrod, is a flowering plant that is native to North America. The plant is known for its bright yellow flowers that bloom in late summer and early fall. Solidago rugosa has many synonyms including Euthamia rugosa, Solidago hispida, Solidago tomentosa and Solidago villosa. The various synonyms reflect the plant's taxonomic history and the different ways that it has been classified over time. Regardless of the name used, the plant is widely recognized for its beauty and its medicinal properties, making it a popular choice for gardeners and botanists alike.