Macro photograph of the patterns in a piece of fossilized oak from Oregon; Miocene in age Image #3416 4745 X 3200 pixels
Macrophotograph of a polished slab of petrified tree fern wood of the Osmunda genus; from the Jurassic period; found in Queensland, Australia Image #2331
Macro photograph showing the internal structure of a cross-sectioned piece of fossilized tree fern (Tietea singularis): Permian in age; from Tocantins State, Brazil Image #3163
