sambucus nigra, corylus avellana, galium aparine, crataegus monogyna, hedera helix, lonicera periclymenum, urtica dioica, arum maculatum, betula pubescens, carpinus betulus, euonymus europaeus, geranium robertianum, moehringia trinervia, neottia ovata, rosa canina, rubus polonicus, salix caprea, ulmus minor