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