The paper presents the peculiarities of morphological-anatomical structure organs, which are diagnostic traits herbal raw materials (HRM) commonest species Thymus L. genus in moderate climatic zone. We determined that studied develop a subshrub life form, grows monopodially Th. pulegioides and marschallianus, sympodially with mono-, di- polycyclic types monocarpic shoots serpyllum. Inflorescenc...