Fossile Flora der Steinkohlen-Formation Westphalens : einschliesslich Piesberg bei Osnabrueck
A German palaeobotany atlas by E. von Roehl, published in 1869 by Verlag von Theodor Fischer, drawing on fossil plants from Westphalian coal measures and the Piesberg near Osnabrueck for specialist geologists and botanists. Its plates show fossil plant impressions on stone slabs, rendered in sepia-toned lithographic tones with fine hatching, offering a designer models of organic textures, branching fern forms and weathered rock surfaces.
