Temperate extension of the European range of Riccia crustata Trab.
Hugonnot, Vincent; Pépin, Florine; Servière, Laurent
The rare liverwort Riccia crustata Trab. has been discovered in Burgundy (France), 350 km north of the nearest known locality. An updated map of the distribution in Europe, North Africa and Asia is provided. The plant communities are described and associated bryophytes are listed. Issues relating to conservation are discussed.