Asterella africana (Mont.) Underw. ex A. Evans, rediscovered in Italy
摘要
Asterella africana is a thalloid liverwort species, which is very rare in Europe and up to now reported in Italy only from Sardinia and based on an old specimen collected by De Notaris and kept in the Herbarium of the Muséum d‘Histoire Naturelle in Paris (PC). In this article, we report the finding of this species in Sicily. Notes on taxonomy, ecology, distribution, and conservation status are provided.