Lycopsid stems and roots and sphenopsid fructifications and stems from the upper Freeport coal of southeastern Ohio
By: by Maxine L. Abbott.
Series: Palaeontographica Americana,; v. 6, no. 38
Publisher: Paleontological Research Institution
Published: 1968
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 49
Subjects: Paleobotany -- Pennsylvanian.; Plants, Fossil -- Ohio.
Notes: Bibliography: p. 23-25.