hedera helix, quercus robur, circaea lutetiana, crataegus monogyna, fraxinus excelsior, acer negundo, corylus avellana, prunus spinosa, alliaria petiolata, allium ursinum, arum maculatum, brachypodium sylvaticum, cornus sanguinea, dryopteris filix-mas, ficaria verna, galium aparine, geranium robertianum, glechoma hederacea, lamium album, ligustrum vulgare, reynoutria japonica, sambucus nigra, silene dioica, ulmus minor