TY - JOUR A1 - Fischer, Eberhard T1 - 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 T2 - Tropical bryology N2 - A new Riccia species, R. vulcanicola is described and illustrated. It is closely related to R. crystallina, differing by the incomplete rosettes of the thallus and the larger and fewer areolae of the spores. N2 - Une espèce nouvelle du genre Riccia, R. vulcanicola, est décrite. Elle est relée à R. crystallina, mais se distingue par les rosettes incompléttes du thalle et par les aréoles plus grandes et moins nombreuses des spores. Y1 - 1993 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/30254 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-302542 SN - 0935-5626 N1 - The layout of the electronic version of this contribution differs from the layout of the original version published in the printed volume. IS - 8 SP - 69 EP - 74 PB - D. Quandt, Univ. Bonn, Nees Inst. für Biodiversität d. Pflanzen CY - Bonn ER -