Müssen noch überarbeitet werden...
- Diatom DNA-Barcoding (DFG-Project of J. Zimmermann, R. Jahn, in cooperation with B. Gemeinholzer and G. Glöckner).
- Taxonomic reference library of DNA-Barcoded diatoms including morphology and DNA-data (R. Jahn, N. Abarca, J. Zimmermann, W.-H. Kusber, in cooperation with O. Skibbe, M. Kulikovsky, E. Gusev),
- Taxonomy and phylogeny of some diatom taxa with morphological and molecular methods (N. Abarca, R. Jahn, J. Zimmermann in cooperation with H. Zetzsche, O. Skibbe, O. Romero, M. Kulikovsky, E. Gusev).
- Biogeography of the Thalassiosirales (K. Stachura-Suchoples in cooperation with G. Khursevich, M. Kulikovsky, N. Ognjanova-Rumenova).
- Making researched diatom information accessibly via AlgaTerra and GBIF-D (W.-H. Kusber, R. Jahn).
- Medium-term changes in the biodiversity of diatoms in Berlin waters: a comparison of old and new samples (W.-H. Kusber, R. Jahn, diploma student Dörte Kanzler; finished).
- The diatomflora of Korea (R. Jahn)
- The diatomflora of Mexico (N. Abarca)
- Nomenclature of Algae (R. Jahn, W.-H. Kusber).
- Surirellaceae of Africa (R. Jahn, in cooperation with C. Cocquyt, Belgium).
- Historical diatom-diversity in Lake Malawi and tributary waters, East Africa (R.Jahn).
- Typification of Otto Müller's taxa from East African material at B (R. Jahn, W.-H. Kusber, in cooperation with C. Cocquyt, Belgium).
- Typification of Ehrenberg's taxa (R. Jahn, W.-H. Kusber, in cooperation with H. Lange-Bertalot, A. Poulickova, C. Cocquyt, I. Kaszmarska)
- Morphology, taxonomy and nomenclature of Bacillaria sensu lato taxa (R. Jahn, in cooperation with A.-M. Schmid, Austria).