Name:   Unidentified Fern Age:  Pennsylvanian Formation:  Westphalian Location:  Upper Silesia, Poland Size:  Plate is 4.1 inches tall Here is an extremely interesting plate of Coal Age plants. These distinct plants are from the Pennsylvanian of Poland. There are very nice lace ferns on the slab. The fronds exhibit excellent detail. The slender stems are easily seen, and the individual leaves are clearly defined. The fossil plants have a distinct, dark coloration and contrast wonderfully with the grey shale. This is a very displayable specimen of these cool fossil plants from Poland.