During the botanical research of two Nature monuments and their neighbourhood in the region Džbán in district Kladno (Ostrov u Jedomělic, Ve Šperkotně) were found some rare and endangered plants, f. e. Cypripedium calceolus (Ostrov u Jedomělic) and Pyrola media (Ve Šperkotně).
Overview of founded plants with some remarks and historical data about former occurrence other rare plants is also given.