acer pseudoplatanus, fraxinus excelsior, abies alba, asplenium scolopendrium, dryopteris filix-mas, mercurialis perennis, ulmus glabra, arum maculatum, polystichum aculeatum, athyrium filix-femina, cardamine pentaphyllos, lamium galeobdolon, lonicera xylosteum, picea abies, prunus avium