The e-book offers a synthesis of inhabitants ecology, inhabitants genetics and plant body structure, utilized to the query, which houses give a contribution to health of populations of Plantago species. 5 species, P. significant, P. lanceolata, P. media, P. maritima and P. coronopus have been investigated for demographic and genetic constructions. Ecophysiological information have been got within the laboratory and within the box. including information on soils and micrometeorologic features of the websites, an research of things, contributing to health was once performed. additionally, complicated interactions as mycorrhiza, N-cycling within the rhizosphere and co-adaptation with parasitic fungi and animals are integrated.