A new fertile Schizaeaceous fern from Middle Pennsylvanian Iowa coal balls

A new fertile Schizaeaceous fern from Middle Pennsylvanian Iowa coal balls

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Bibliographic Details
Main Author: Baxendale, R. William
Other Authors: Baxter, Robert W. 1914-
Format: Book
Language:English
Published: Kansas University of Kansas 1977.
Series:University of Kansas science bulletin v. 51, no. 9
Subjects:
Ferns > United States > Iowa.
Coal balls > Iowa.
Ferns, Fossil.
Paleobotany > Pennsylvanian.