The publication of Roth's genera "Athryium" and "Polystichum"
By: Rodolfo Pichi-Sermolli
Published: 1952
Language: eng
Number of pages: 442
Subjects: Athyrium; Polystichum
Notes: Reprinted from Webbia, v. 8, May 1952, p. 437-442.

Includes bibliographical references.

Summary in Italian.