be, arr. tongeren, quercus robur, quercus rubra, castanea sativa, lonicera periclymenum, corylus avellana, sambucus nigra, prunus serotina, sorbus aucuparia, acer pseudoplatanus, polygonatum multiflorum, fraxinus excelsior, hedera helix, ranunculus repens, urtica dioica, holcus lanatus, fagus sylvatica, frangula alnus, heracleum sphondylium, prunus avium, lamium galeobdolon, poa trivialis, alnus glutinosa, galium aparine, betula pendula, athyrium filix-femina, glechoma hederacea, juncus effusus, arum maculatum, cardamine pratensis, teucrium scorodonia, galinsoga quadriradiata, lolium perenne, viburnum opulus, galeopsis tetrahit, echinochloa crus-galli, dryopteris dilatata, populus canadensis, carpinus betulus, veronica persica, robinia pseudoacacia, anemone nemorosa, primula elatior, silene coronaria, agrostis capillaris, pteridium aquilinum, adoxa moschatellina, holcus mollis, salix caprea, ficaria verna, sinapis alba