Some fern-like fructifications and their spores from the Mazon Creek compression flora of Illinois (Pennsylvanian)
Pfefferkorn, Hermann W.
creator
Peppers, Russel A. (Russel Allen),
1932-
joint author.
contributor
Phillips, Tom Lee,
1931-
joint author.
contributor
text
book
Urbana
Illinois State Geological Survey
1971
1971
ENG
Cover title.
Bevruchting
Ferns, Fossil
Flora (biologie)
Grundy County
Illinois
Paleobotany
Pennsylvanian
Plants, Fossil
Varens
Will County
QE105 .A45 no. 463
561/.73
Circular (Illinois State Geological Survey), 463
https://www.biodiversitylibrary.org/bibliography/61524
334338
75637404
10.5962/bhl.title.61524
DLC