Verbatim text: Beetle, A. A. 1941. Studies in the genus Scirpus L. III. The American species of the section Lacustres Clarke. Amer. J. Bot. 28: 691–700.
Author: Beetle, A.A.
Year: 1941
Title: Studies in the genus Scirpus L. III. The American species of the section Lacustres Clarke
Journal: Amer. J. Bot
Volume: 28
Pages: 691–700