Verbatim text: Lowden, R. M. 1982. An approach to the taxonomy of Vallisneria L. (Hydrocharitaceae). Aquatic Bot. 13: 269--298.
Author: Lowden, R.M.
Year: 1982
Title: An approach to the taxonomy of Vallisneria L. (Hydrocharitaceae)
Journal: Aquatic Bot
Volume: 13
Pages: 269–298