Catalogue of the Bryophyta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in Pennsylvania /

Bibliographic Details
Main Author:	Porter, Thomas Conrad, 1822-1901
Other Authors:	Small, John Kunkel
Format:	Book
Language:	English
Published:	Boston : Ginn, 1904.
Subjects:	Mosses > Pennsylvania. Ferns > Pennsylvania.

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