The study presents the results of the research and observations of 8 species protected by Polish law. Occurrence, cultivation possibilities and risk estimation of the population were checked. In 1995–2007, the project “Collection and evaluation of diaspores as a gene bank of protected medicinal plants and estimation of their natural resources in Poland” was held. About 450 wild site of described species were found and verified. Over 400 samples of seed material were collected and transferred to the Plant Breeding and Acclimatization Institute in Radzików for a long-term storage. Currently, in the Garden of Medicinal Plants, Research Institute of Medicinal Plants over 120 accessions as scientific study objects are cultivated.