Two new plant genera of Pennsylvanian age from Kansas coal balls
By: by Sergius H. Mamay.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 254-D; Shorter contributions to general geology
Publisher: U.S. Government Printing Office
Published: 1954
Place of publication: Washington, DC
Language: eng
Number of pages: 95
Subjects: Paleobotany -- Pennsylvanian.; Spores (Botany), Fossil.; Seeds, Fossil.; Paleobotany -- Kansas.
Notes: Bibliogr.

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