An Early Pennsylvanian flora with megalopteris and noeggerathiales from west-central Illinois /
Illinois State Museum.
Leary, Richard L.
Pfefferkorn, H. W.,
text
book
Urbana :
Illinois State Geological Survey,
1977.
1977
English
Flora (biologie)
Fossielen
Illinois
Megaloptera
Paleobotany
Pennsylvanian
QE105 .A45 no. 500
560/.1/72809773
Circular (Illinois State Geological Survey) ; 500.
http://www.biodiversitylibrary.org/bibliography/61520
3501946
78620822
DLC