mercurialis perennis, fraxinus excelsior, fagus sylvatica, tilia platyphyllos, sambucus nigra, acer pseudoplatanus, acer platanoides, alliaria petiolata, arum maculatum, chaerophyllum temulum, dryopteris filix-mas, galium odoratum, hordelymus europaeus, poa nemoralis, ulmus glabra