Biomorphological and ecologo-fitosenoticheskie features Senecio erucifolius in connection with protection questions

On example Senecio erucifolius L., the approach used by authors at studying of rare species of vascular plants, brought in regional Red books is described. At the analysis of protected Kinds reveal ecologo-fitosenoticheskie and populjatsionno-ontogeneticheskie features in natural habitats and in the conditions of culture.