Search for: [References = "Obidziński T., Symonides E., 2000, The influence of the ground layer structure on the invasion of small balsam \(Impatiens parviflora DC.\) to natural and degraded forests, Acta Societatis Botanicorum Poloniae, 69, s. 311\-318. https\:\/\/doi.org\/10.5586\/asbp.2000.041"]