be, arr. leuven, quercus robur, holcus lanatus, agrostis capillaris, ranunculus repens, cirsium arvense, urtica dioica, arrhenatherum elatius, populus canadensis, betula pendula, prunus serotina, rumex acetosa, juncus effusus, hypericum perforatum, poa trivialis, glechoma hederacea, tanacetum vulgare, stellaria graminea, holcus mollis, achillea millefolium, heracleum sphondylium, quercus rubra, lolium perenne, festuca rubra, ranunculus acris, cerastium holosteoides, plantago lanceolata, galeopsis tetrahit, elymus repens, galium aparine, trifolium repens, dactylis glomerata, sambucus nigra, anthoxanthum odoratum, sorbus aucuparia, rumex angiocarpus, alopecurus pratensis, equisetum arvense, angelica sylvestris, cerastium fontanum, lonicera periclymenum, alnus glutinosa, agrostis stolonifera, rumex obtusifolius, vicia hirsuta, trifolium dubium, frangula alnus, centaurea jacea, rumex acetosella, carex hirta, trifolium pratense