New records of arctic montane and alpine mosses from Central Italy

Some interesting mosses discovered at the Laga Mountains in the central Apennines are reported. Myurella sibirica, a very rare moss in Europe, is rediscovered in Italy after more than one century. Dicranella cerviculata and Dicranum flexicaule, only known from northern Italy, are reported for the first time from Central Italy. Finally, Dicranum polysetum and Pseudoleskea patens are reported as new for the Abruzzo region. Ecological and chorological remarks are given for each species.