Verbatim text: Yatskievych, G., M. D. Windham, and E. Wollenweber. 1990. A reconsideration of the genus Pityrogramma (Adiantaceae) in western North America. Amer. Fern J. 80: 9--17.
Author: Yatskievych, G., Windham, M.D., Wollenweber, E.
Year: 1990
Title: A reconsideration of the genus Pityrogramma (Adiantaceae) in western North America
Journal: Amer. Fern J
Volume: 80
Pages: 9–17