allium ursinum, fraxinus excelsior, corylus avellana, tilia cordata, ulmus glabra, dryopteris filix-mas, lamium galeobdolon, matteuccia struthiopteris, quercus robur, aegopodium podagraria, campanula latifolia, euonymus verrucosus, filipendula ulmaria, lathyrus vernus, mercurialis perennis, populus tremula