Энергия: экономика, техника, экология.
2006.
P. 48-52
The research on the state of ten Epipactis helleborine coenopopulations was conducted in the south-west of Moscow City. The data on age structure, quantity, density, seed productivity and defining the coenopopulations vitality are reported. The features of urban and natural coenopopulations, main factors assisting their stability and ability to a distribution and a long-term hold of the occupied territories are determined.