Biodiversity Heritage Library
We need your feedback! What improvements would you like to see in BHL? Take our survey!
Some fern-like fructifications and their spores from the Mazon Creek compression flora of Illinois (Pennsylvanian)
By: Pfefferkorn, Hermann W. - Peppers, Russel A. (Russel Allen), - Phillips, Tom Lee,
Publication info: Urbana,Illinois State Geological Survey,1971.
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects: Bevruchting Ferns, Fossil Flora (biologie) Grundy County Illinois Paleobotany Pennsylvanian Plants, Fossil Varens Will County