Taxonomic results of the BRYOTROP Expedition to Zaire and Rwanda 32. Bryaceae
Taxonomic Results of the BRYOTROP Expedition to Zaire and Rwanda 8. Riccia vulcanicola E. Fischer (subgenus Ricciella, Sectio Cavernosae), a new species from the Virunga Volcanoes, Rwanda
Taxonomic Results of the BRYOTROP-Expedition to Zaire and Rwanda 5. Anthocerotae
Taxonomic results of the BRYOTROP-Expedition to Zaire and Rwanda 3. Description of Collecting Sites. The Vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda
Taxonomic Results of the BRYOTROP-Expedition to Zaire and Rwanda 2. History of Bryological Exploration of Zaire and Rwanda