fagus sylvatica, crataegus laevigata, arum maculatum, carex brevicollis, carex sylvatica, erythronium dens-canis, euphorbia amygdaloides, ficaria verna, helleborus viridis, cardamine pratensis, isopyrum thalictroides, lilium martagon, prunus spinosa, pteridium aquilinum, urtica dioica