Verbatim text: Posluszny, U. and R. Sattler. 1976. Floral development of Najas flexilis. Canad. J. Bot. 54: 1140--1151.
Author: Posluszny, U., Sattler, R.
Year: 1976
Title: Floral development of Najas flexilis
Journal: Canad. J. Bot
Volume: 54
Pages: 1140–1151