Some fern-like fructifications and their spores from the Mazon Creek compression flora of Illinois (Pennsylvanian)
By: [by] H. W. Pfefferkorn, R. A. Peppers [and] T. L. Phillips.
Contributors: Peppers, Russel A. 1932- joint author.; Phillips, Tom Lee, 1931- joint author.
Series: Illinois. State Geological Survey. Circular; 463; Circular (Illinois State Geological Survey) ;; 463.
Publisher: Illinois State Geological Survey
Published: 1971
Place of publication: Urbana
Language: eng
Number of pages: 55
Subjects: Ferns, Fossil -- Illinois -- Will County.; Ferns, Fossil -- Illinois -- Grundy County.; Paleobotany -- Pennsylvanian.; Plants, Fossil -- Illinois -- Will County.; Plants, Fossil -- Illinois -- Grundy County.
Notes: Bibliography: p. 23-29.
Cover title.