A new fertile Schizaeaceous fern from Middle Pennsylvanian Iowa coal balls

A new fertile Schizaeaceous fern from Middle Pennsylvanian Iowa coal balls

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.