Verbatim text: Ackerman, J. D. and M. R. Mesler. 1979. Pollination biology of Listera cordata (Orchidaceae). Amer. J. Bot. 66: 820–824.
Author: Ackerman, J.D., Mesler, M.R.
Year: 1979
Title: Pollination biology of Listera cordata (Orchidaceae)
Journal: Amer. J. Bot
Volume: 66
Pages: 820–824