Chara fibrosa sensu lato

This chapter gives an overview of the current state of knowledge regarding the non-native species Chara fibrosa. It presents a full morphological description of some exceptional finds in Europe including herbarium materials of the 19th century and recent finds in the Mediterranean area. The rare occurrences in Europe appeared in regions where rice farming is traditional and suggest that the species was accidentally introduced. Its ecological requirements are briefly described in order to attract the attention for investigations in the respective habitats.