populus canadensis, pteridium aquilinum, robinia pseudoacacia, stachys sylvatica, cornus sanguinea, lonicera xylosteum, rubus caesius, saponaria officinalis, alliaria petiolata, arctium minus, clematis vitalba, crataegus monogyna, geum urbanum, hedera helix, quercus ilex, quercus pubescens, urtica dioica