Verbatim text: Harms, V. L. 1973. Taxonomic studies of North American Sparganium. I. S. hyperboreum and S. minimum. Canad. J. Bot. 51: 1629--1641.
Author: Harms, V.L.
Year: 1973
Title: Taxonomic studies of North American Sparganium. I. S. hyperboreum and S. minimum
Journal: Canad. J. Bot
Volume: 51
Pages: 1629–1641