1. 1Hungarian Natural History Museum, Botanical Department, H-1476 Budapest, P.O. Box 222, Hungary
2. 2W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland
3. 3Hungarian Geological and Geophysical Institute, Geological and Geophysical Collections, 1143 Budapest, Stefánia út 14, Hungary
4. 4Eötvös Loránd University, Department of Palaeontology, 1117 Budapest, Pázmány Péter sétány 1/C, Hungary
5. 5W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland;
6. 6Naturmuseum Südtirol, Bindergasse 1, 39100 Bolzano/Bozen, Italy 6 Department für Geo- und Umweltwissenschaften, Paläontologie und Geobiologie, Ludwig-Maximilians- Universität und Bayerische Staatssammlung für Paläontologie und Geobiologie, Richard-Wagner-Straße 10, 80333 München, Germany
7. 7Department of Palaeobotany and Palaeoherbarium, Institute of Botany, Jagiellonian University, ul. Lubicz 46, 31-512 Kraków, Poland
8. 8University of Bucharest, Faculty of Geology and Geophysics, Laboratory of Palaeontology, 1, N. Balcescu Ave., 010041, Bucharest, Romania;
9. 9Department of Chemical and Geological Sciences, University of Cagliari, via Trentino 51, I-09127 Cagliari, Italy
10. 10UMR5276 CNRS, Laboratoire de Géologie de Lyon, Terre, Plančtes et Environnement, Université Claude Bernard Lyon 1, 69622 Villeurbanne cedex, France