Verbatim text: White, R.A., D.W. Bierhorst, P.G. Gensel, D.R. Kaplan, and W.H. Wagner Jr. 1977. Taxonomic and morphological relationships of the Psilotaceae: A symposium. Brittonia 29: 1--68.
Author: White, R.A., Bierhorst, D.W., Gensel, P.G., Kaplan, D.R., Wagner, W.H. Jr.
Year: 1977
Title: Taxonomic and morphological relationships of the Psilotaceae: A symposium
Journal: Brittonia
Volume: 29
Pages: 1–68