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 Europe and adjoining Asia. In France, this plant is called herbe du siege, according to Burnett, from its roots having been eaten by the garrison of Rochelle during the siege in 1628.
