Verbatim text: Catling, P. M. 1982. Breeding systems of northeastern North American Spiranthes (Orchidaceae). Canad. J. Bot. 60: 3017–3039.
Author: Catling, P.M.
Year: 1982
Title: Breeding systems of northeastern North American Spiranthes (Orchidaceae)
Journal: Canad. J. Bot
Volume: 60
Pages: 3017–3039