TY  - BOOK
T1  - An early Pennsylvanian flora with Megalopteris and Noeggerathiales from west-central Illinois /
DA  - 1977.
CY  - Urbana :
AU  - Leary, Richard L.
CN  - QE919
CN  - QE919
PB  - Illinois State Geological Survey,
PP  - Urbana :
PY  - 1977.
ID  - 10020
KW  - Paleobotany
KW  - Paleobotany
TI  - An early Pennsylvanian flora with Megalopteris and Noeggerathiales from west-central Illinois /
ER  -