Rare plants and plant communities of stony-sandy steppe of the Penza region (on the example of monuments of nature "Ardymskiy sheehan" and "Olshansky slopes")

Rare species of near desert: Krascheninnikovia ceratoides and Ephedra distachya participate in flora stony-sandy steppes. The vegetation of real steppes dominated by scarp slopes of southern exposition. Meadow steppe dominated by sloping slopes of southern exposition.