Verbatim text: Wagner, W.H. Jr. and F.S. Wagner. 1990. Moonworts (Botrychium subg. Botrychium) of the upper Great Lakes region. Contr. Univ. Michigan Herb. 17: 313--325.
Author: Wagner, W.H. Jr., Wagner, F.S.
Year: 1990
Title: Moonworts (Botrychium subg. Botrychium) of the upper Great Lakes region
Journal: Contr. Univ. Michigan Herb
Volume: 17
Pages: 313–325