Pennsylvanian tree fern compressions Caulopteris, Megaphyton, and Artisophyton gen. nov. in Illinois
Pennsylvanian tree fern compressions
Pfefferkorn, Hermann W.
creator
Illinois. Dept. of Registration and Education.
contributor
Illinois State Geological Survey.
contributor
text
book
Urbana
Illinois State Geological Survey
1976
1976
ENG
Cover title.
At head of title: State of Illinois. Department of Registration and Education.
Bomen (biologie)
Ferns, Fossil
Illinois
Paleobotany
Pennsylvanian
Varens
QE105 .A45 no. 492
561/.73
Circular (Illinois State Geological Survey), 492
https://www.biodiversitylibrary.org/bibliography/61459
2154852
76623306
10.5962/bhl.title.61459
DLC