Mechorosty zaznamenané v průběhu Bryologicko-lichenologických dnů na Semilsku v září 2016

We summarize the bryofloristic results of excursions in the sur- roundings of the town of Semily (North Bohemia) in September 2016. Altogether 215 taxa (one hornwort, 48 liverworts and 166 mosses) were recorded during the four excursions to the region, in- cluding four Vulnerable taxa (Cololejeunea calcarea, Jungermannia atrovirens, Buxbaumia viridis, Plagiopus oederianus), the recently spreading species Orthotrichum pulchellum was recorded at two localities, which represent the easternmost occurrences in the country. Important records are briefly commented on.