Butterbur refers to a perennial shrub, found throughout Europe as well as parts of Asia and North America. It is usually found in wet, marshy ground, in damp forests, and adjacent to rivers or streams. The leaves of the plant are responsible for its botanical and common names. The common name is attributed to the large leaves being used to wrap butter during warm weather. Butterbur which is called Fuki in Japan is a spring delicacy in the country. Butterbur is also known as Blatterdock, bog rhubarb, bogshorns, butcher's rhubarb, butterbur coltsfoot, butterburr, butter-dock, butterdock, butterfly dock, capdockin, coughwort, donnhove, European pestroot, exwort, flapper-bags, flapperdock, fuki, horsehoof, langwort, paddy's rhubarb, pestwurz, petasites, petasites flower, petasites leaf, petasites rhizome, Petasitidis hybridus, Petasites officinalis, Petasites ovatus, Petasites vulgaris, petasitidis folium (flower), petasitidis rhizoma (rhizome), plaguewort, purple butterbur, sweet coltsfoot, Tussilago farfara, Tussilago hybrida, Tussilago petasites, umbrella leaves, umbrella plant, western coltsfoot, wild rhubarb, Japanese rhubarb.
List of books: Butterbur