quercus robur, lonicera periclymenum, dryopteris filix-mas, athyrium filix-femina, dryopteris dilatata, galium aparine, circaea lutetiana, corylus avellana, urtica dioica, atrichum undulatum, crataegus monogyna, fraxinus excelsior, ilex aquifolium, platanthera bifolia, viburnum opulus