Equisetum hyemale is a type of plant commonly known as the scouring rush or rough horsetail. It is an ancient plant form that has been in existence for over 300 million years. This plant is often used in traditional medicine to treat a range of ailments due to its strong antioxidant and anti-inflammatory properties. Some synonyms for Equisetum hyemale include scouring rush, rough horsetail, wood horsetail, pewterwort, and candock. These synonyms are often used interchangeably to refer to this unique plant species. Despite the different names, the plant remains an important part of various cultures, revered for its medicinal values and extraordinary properties.