Verbatim text: Wilder, G. J. 1974. Symmetry and development of Limnobium spongia (Hydrocharitaceae). Amer. J. Bot. 61: 624--642.
Author: Wilder, G.J.
Year: 1974
Title: Symmetry and development of Limnobium spongia (Hydrocharitaceae)
Journal: Amer. J. Bot
Volume: 61
Pages: 624–642