Hedrick, U.P. editor. 1919. Sturtevant's Notes on Edible Plants. Report of the New York Agricultural Experiment Station for the Year 1919 II. Albany, J.B Lyon Company, State Printers. [References Available]
Is a plant of Northern climates. The seeds form one of the best of the substitutes for coffee, according to Johnson, and are so used in Sweden. The dried plant is sometimes used as a tea.
