كتب ذات صلة

Note on a fern associated with Platephemera antiqua, Scudder

• Some fern-like fructifications and their spores from the Mazon Creek compression flora of Illinois (Pennsylvanian)
  المؤلفون: Pfefferkorn, Hermann W. ,  Peppers, Russel A.
• Reconstruction and interpretation of Brittsia problematica D. White (Fern, Pennsylvanian)
  المؤلفون: Pfefferkorn, Hermann W.

• Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois
  المؤلفون: Winslow, Marcia R.
• Pennsylvanian conodont assemblages from La Salle County, Northern Ill.
  المؤلفون: Collinson, Charles.
• Palynology and sedimentology of Holocene deposits in southern Lake Michigan
  المؤلفون: King, James E. ,  Lineback, Jerry Alvin