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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Bibliografiske detaljer
Main Authors: Baxendale, R. William, Baxter, Robert W.
Institution som forfatter: Kansas University
Format: Bog
Sprog:English
Udgivet: Kansas University of Kansas 1977.