Klíč k určování českých a slovenských druhů rodu Jungermannia

Two determination keys (based on sterile and fertile plants) of the species of the genus Jungemumnia, known from the Czech and Slovak Republics, are given. One additional European species (J. paroica), reported also from Germany, is included; taxa occurring in the Mediterranean area and in Scandinavia only are omitted. Short notes on the ecology and distribution of the taxa are included.