Verbatim text: Fernald, M. L. and K. M. Wiegand. 1914. The genus Ruppia in eastern North America. Rhodora 16: 119--127.
Author: Fernald, M.L., Wiegand, K.M.
Year: 1914
Title: The genus Ruppia in eastern North America
Journal: Rhodora
Volume: 16
Pages: 119–127