How to know the mosses and liverworts
Subtitle: pictured-keys for determining many of the North American mosses and liverworts, with suggestions and aids for their study.
Edition: Rev. ed.
Series: Pictured-key nature series
Place of publication: Dubuque, Iowa
Number of pages: 226
Subjects: Liverworts -- North America.; Mosses -- North America.
Notes: Previously published under title: How to know the mosses.

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