Flora, fossilis, formationis, oolithicae, Padova, Tip. del Seminario, 1856/1868-1873/1885, Jurassic, paleobotany, The illustration features a collection of fossilized ferns displayed in a geological context. The main focus is on three distinct rock specimens, each showcasing intricate patterns of fern fronds that reveal their ancient botanical structure. The fronds exhibit a detailed arrangement of veins and leaflets, highlighting the delicate and complex nature of these prehistoric plants. In the lower right corner, additional lines depict the branching structure of a fossilized stem, further emphasizing the connection between the fossils and their living counterparts. This representation serves as an educational insight into the fossilization process and the diversity of plant life in ancient ecosystems.