Juncus atratus Krock. (Juncaceae) rediscovered in Italy: a species deserving urgent conservation actions

The conservation status of plant species is an important tool for their effective conservation, but it has been evaluated only in a low number of taxa up to now. In this frame, the national assessment of Juncus atratus Krock., a Central European-South Siberian wet meadow species, is here provided. J. atratus is a rare and threatened species in Central Europe and has been listed as Regionally Extinct in the only Italian Region where it was...