None. Esteemed 'only for their beauty and pleasure'

Gerard, J. (1975). The Herbal or General History of Plants. New York: Fascimile Dover Publications Inc . p. 602-603

Asia-Temperate, Mongolia

Asia-Temperate, Russian Far East

Asia-Temperate, Siberia

Europe, Eastern Europe

Europe, Middle Europe

Europe, Northern Europe

Europe, Northern Europe, Ireland

Europe, Northern Europe, Great Britain

Europe, Southeastern Europe, Romania

Europe, Southwestern Europe, France

Europe, Southwestern Europe, Portugal

Europe, Southwestern Europe, Spain

Northern America, Eastern Canada

Northern America, Northwestern U.S.A.

Northern America, Southwestern U.S.A.

Northern America, Subarctic America

Northern America, Western Canada

Southern America, Southern South America, Argentina Northwest

Southern America, Southern South America, Chile South