A beautifully preserved flower fossil dated around 50 million years old. It's believed to belong to the Asteracaea family, which includes daisies, sunflowers and dandelions and is the most diverse group of flowering plants on Earth.
Fossil Fern- "Fossil Fern This is a fossil fern that I found in Russellville AR and its from the Pennsylvanian, an era within the Carboniferous, which was about 300 million years ago, rounded off of course. I believe it to be a neuropteris fern.
Perfectly preserved for more than 300 million years, a horsetail carries secrets from the Carboniferous period. Primitive vascular plants, horsetails (genus Equisetum) are often found in coal deposits.