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