Genus Eriophorum, commonly known as cotton grass, comprises a group of North American and Eurasian plants that are typically found growing in damp and boggy habitats. There are several synonyms for this genus, including the Latin name Eriophorum angustifolium, a species commonly known as bog cotton or common cottongrass. Other synonyms include Eriophorum chamissonis, Eriophorum latifolium, and Eriophorum triste. Despite the various names, all of these plants share similar characteristics, such as long, slender leaves, and fluffy white or greyish flowers. They are an important food source for many animals, including various species of birds and grazing mammals.