quercus robur, neottia ovata, corylus avellana, crataegus monogyna, thuidium tamariscinum, castanea sativa, circaea lutetiana, fraxinus excelsior, hedera helix, polystichum setiferum, primula veris, prunus spinosa, rubus plicatus, ajuga reptans, arum maculatum, asplenium scolopendrium, crataegus laevigata, daphne laureola, dryopteris dilatata, euphorbia amygdaloides, eurhynchium striatum, lonicera periclymenum, dryopteris affinis, ranunculus repens, ribes rubrum, salix caprea, viola riviniana