be, arr. leuven, holcus lanatus, ranunculus repens, poa trivialis, urtica dioica, arrhenatherum elatius, alopecurus pratensis, heracleum sphondylium, rumex acetosa, agrostis capillaris, cirsium arvense, quercus robur, juncus effusus, populus canadensis, filipendula ulmaria, ranunculus acris, angelica sylvestris, glechoma hederacea, stellaria graminea, rumex obtusifolius, cardamine pratensis, cirsium palustre, lolium perenne, phalaris arundinacea, dactylis glomerata, festuca rubra, galium aparine, plantago lanceolata, galeopsis tetrahit, agrostis stolonifera, achillea millefolium, anthoxanthum odoratum, elymus repens, trifolium repens, tanacetum vulgare, holcus mollis, cerastium holosteoides, prunus serotina, cerastium fontanum, symphytum officinale, lysimachia vulgaris, silene flos-cuculi, stellaria media, alnus glutinosa, lotus pedunculatus, equisetum arvense, vicia cracca, juncus acutiflorus, equisetum palustre, lythrum salicaria, phleum pratense