be, arr. leuven, quercus robur, holcus lanatus, agrostis capillaris, ranunculus repens, arrhenatherum elatius, populus canadensis, juncus effusus, prunus serotina, urtica dioica, betula pendula, rumex acetosa, sorbus aucuparia, heracleum sphondylium, lonicera periclymenum, galeopsis tetrahit, cirsium arvense, angelica sylvestris, alnus glutinosa, anthoxanthum odoratum, glechoma hederacea, poa trivialis, frangula alnus, holcus mollis, cirsium palustre, ranunculus acris, stellaria graminea, filipendula ulmaria, quercus rubra, sambucus nigra, alopecurus pratensis, crataegus monogyna, corylus avellana, hypericum perforatum, plantago lanceolata, galium aparine, fraxinus excelsior, cardamine pratensis, lolium perenne, festuca rubra, achillea millefolium, lysimachia vulgaris, hieracium umbellatum, dactylis glomerata, cerastium fontanum, molinia caerulea, trifolium repens, centaurea jacea, acer pseudoplatanus, dryopteris carthusiana, cerastium holosteoides