Radula Lindenbergiana new for the Belgian liverwort flora. - Radula lindenb
ergiana Gottsche ex C. Hartm. a circumboreal liverwort, has been discovered
in Belgium. Five old, incorrectly identified Belgian collections were foun
d in the herbariums of the Belgian National Botanical Garden (BR) and of th
e University of Liege (LGHF). A description and illustration of the materia
l are provided. Features of its ecology and a preliminary map of its distri
bution are given.