Wood cudweed, also known as Gnaphalium sylvaticum, is a plant species that belongs to the Asteraceae family. It is a perennial herb that has been used for medicinal purposes to treat respiratory and digestive problems. Wood cudweed is also popular for its strong aroma and is often used as an essential oil. Some synonyms for wood cudweed include silver green cudweed, cotton weed, white balsam, and country balsam. The plant is typically found in forests or woodlands and is known for its silver-green leaves and small white flowers. It is often used in traditional medicines and is known to have anti-inflammatory and antiseptic properties.