1158. <i>Silene cordifolia</i> All.

Summary Silene cordifolia is illustrated and discussed. It is a paleoendemic species growing in cliff cracks and boulders on granites and gneiss of the Maritime and Ligurian Alps (NW Italy). In this area the species is one of the main hosts of the Owlet Moth Hadena clara (Noctuide, Lepidoptera). A detailed description of S. cordifolia is provided, including notes on its cytology and habitat. Despite its narrow distribution and its occurrence in few habitats it has no particular threats, and its conservation status is Least Concern.