be, arr. leuven, ranunculus repens, heracleum sphondylium, urtica dioica, holcus lanatus, poa trivialis, cirsium arvense, arrhenatherum elatius, alopecurus pratensis, populus canadensis, glechoma hederacea, symphytum officinale, lolium perenne, ranunculus acris, cardamine pratensis, galium aparine, juncus effusus, rumex acetosa, agrostis stolonifera, quercus robur, rumex obtusifolius, filipendula ulmaria, dactylis glomerata, calystegia sepium, phalaris arundinacea, agrostis capillaris, elymus repens, trifolium repens, angelica sylvestris, tanacetum vulgare, galeopsis tetrahit, lythrum salicaria, geranium pyrenaicum, sambucus nigra, cerastium fontanum, lathyrus latifolius, plantago lanceolata, phragmites australis, lolium multiflorum, galinsoga quadriradiata, festuca rubra, stellaria media, cirsium palustre, stellaria graminea, veronica persica, rumex crispus, achillea millefolium, prunus serotina, phleum pratense, quercus rubra, plantago major