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The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation of the delicate frond of ferns. Remove a scale of rock and we discover an exquisite fossilized fern. Fossil ferns such as this acient tree fern are often found in association with coal seams.

Fossilized Coal Ferns

The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation…

The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation of the delicate frond of ferns. Remove a scale of rock and we discover an exquisite fossilized fern. Fossil ferns such as these are often found in association with coal seams.

Fossilized Coal Ferns

The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation…

The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation of the delicate frond of ferns. Remove a scale of rock and we discover an exquisite fossilized fern. Fossil ferns such as these are often found in association with coal seams. Fossil of scale tree, Lipidodendra.

Fossilized Coal Ferns

The rocky ceiling of a coal mine is ornamented everywhere by exquisite tracery, inimitale representation…

Pecopteris, frond of an ancient tree fern, was a form genus of leaves from several unrelated plant groups that flourished the early Carboniferous period and on to c. 250 Ma. Pecopteris first appeared in the Devonian period, but flourished in the Carboniferous, especially the Pennsylvanian. Plants bearing these leaves went extinct around the beginning of the Permian period.

Pecopteris Tree Fern

Pecopteris, frond of an ancient tree fern, was a form genus of leaves from several unrelated plant groups…