Petrophytic-steppous flora and vegetation of hyperbasites of Southern Urals

The article provides a data on the features of petrophytic-steppous vegetation on ultramafics rocks of Southern Urals. An influence of substrate chemistry on floristic and ecological structure of vegetation is observed. Floristic diversity on hyperbasites is relatively poor compared to other substrata. A group of serpentinophyte plants is segregated. An ability to accumulate Ni is found in two species.