Reference:Wagner1979a
Revision as of 17:54, 26 July 2019 by Unknown user (talk)
Verbatim text: Wagner, D. H. 1979. Systematics of Polystichum in western North America north of Mexico. Pteridologia 1: 1--64.
Author: Wagner, D.H.
Year: 1979
Title: Systematics of Polystichum in western North America north of Mexico
Journal: Pteridologia
Volume: 1
Pages: 1–64