Taxonomy of specimens of the Pennsylvania age Marattialean fern Psaronius from Ohio and Illinois
By: by James E. Mickle.
Series: Scientific papers / Illinois State Museum,; vol. 19; Scientific papers (Illinois State Museum) ;; v. 19.
Publisher: Illinois State Museum
Published: 1984
Place of publication: Springfield, Ill
Language: eng
Number of pages: 64
Subjects: Psaronius -- Ohio.; Psaronius -- Illinois.; Paleobotany -- Ohio.; Paleobotany -- Illinois.; Paleobotany -- Pennsylvanian.
Notes: Thesis (Ph.D.)--Ohio University.
Bibliography: p. 61-64.