Reference:Lellinger1985a
Revision as of 17:54, 26 July 2019 by Unknown user (talk)
Verbatim text: Lellinger, D. B. 1985. A Field Manual of the Ferns & Fern-allies of the United States & Canada. Washington.
Author: Lellinger, D.B.
Year: 1985
Title: A Field Manual of the Ferns & Fern-allies of the United States & Canada