A manual of the mosses of western Pennsylvania and adjacent regions.
Edition: 2d ed.
Series: The American midland naturalist.; Monograph no. 6
Publisher: University of Notre Dame Press
Published: 1951
Place of publication: Notre Dame, Ind
Language: eng
Number of pages: 396
Subjects: Mosses -- Pennsylvania
Notes: First ed. published under title: A manual of the mosses of western Pennsylvania.