Verbatim text: Anderson, L. C., C. D. Zeis, and S. F. Alam. 1974. Phytogeography and possible origins of Butomus in North America. Bull. Torrey Bot. Club 101: 292--296.
Author: Anderson, L.C., Zeis, C.D., Alam, S.F.
Year: 1974
Title: Phytogeography and possible origins of Butomus in North America
Journal: Bull. Torrey Bot. Club
Volume: 101
Pages: 292–296