hedera helix, tilia platyphyllos, acer campestre, fraxinus excelsior, asplenium scolopendrium, lamium galeobdolon, ornithogalum pyrenaicum, arum maculatum, corylus avellana, mercurialis perennis, sambucus nigra, scilla bifolia, ulmus minor, alliaria petiolata, asarum europaeum, asplenium trichomanes, polypodium vulgare, polystichum aculeatum, ribes uva-crispa, urtica dioica