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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Xehetasun bibliografikoak
Egile nagusia: Baxendale, R. William
Beste egile batzuk: Baxter, Robert W. 1914-
Formatua: Liburua
Hizkuntza:English
Argitaratua: Kansas University of Kansas 1977.
Saila:University of Kansas science bulletin v. 51, no. 9
Gaiak:
Ferns > United States > Iowa.
Coal balls > Iowa.
Ferns, Fossil.
Paleobotany > Pennsylvanian.