de, warendorf, hedera helix, fraxinus excelsior, quercus robur, corylus avellana, euonymus europaeus, sambucus nigra, carpinus betulus, fagus sylvatica, crataegus monogyna, acer campestre, geum urbanum, galium aparine, arum maculatum, prunus avium, poa nemoralis, cornus sanguinea, polygonatum multiflorum, urtica dioica, acer pseudoplatanus, prunus spinosa, glechoma hederacea, stachys sylvatica, anemone nemorosa, geranium robertianum, crataegus laevigata, ficaria verna, rosa blondaeana, chaerophyllum temulum, dactylis glomerata, rabelera holostea, lamium galeobdolon, sorbus aucuparia, rosa canina, circaea lutetiana, lonicera periclymenum, viola reichenbachiana, moehringia trinervia, viburnum opulus, aegopodium podagraria, prunus padus, brachypodium sylvaticum, carex sylvatica, milium effusum, galium odoratum, ulmus minor, rubus caesius, acer platanoides, heracleum sphondylium, tilia cordata, poa trivialis