Аннотация:Estimation of Ehium vulgare L. for phytoindicational approbation is based on empirical conclusion of the extent ofits structural informational heterogeneity. Characteristics of architectonics of generative sphere of species and rhyzoedaphosphereare determined as the most informative, which is related to strategic peculiarities of its survival in a contrast geochemicalregion. A phytoindicational scale was built.