be, arr. leuven, populus canadensis, quercus robur, urtica dioica, glechoma hederacea, cirsium arvense, arrhenatherum elatius, heracleum sphondylium, ranunculus repens, holcus lanatus, sambucus nigra, galeopsis tetrahit, galium aparine, poa trivialis, prunus serotina, symphytum officinale, angelica sylvestris, fraxinus excelsior, alnus glutinosa, agrostis capillaris, betula pendula, crataegus monogyna, acer pseudoplatanus, filipendula ulmaria, quercus rubra, calystegia sepium, alopecurus pratensis, phalaris arundinacea, corylus avellana, phragmites australis, juncus effusus, geum urbanum, dactylis glomerata, tanacetum vulgare, sorbus aucuparia, ribes rubrum, hypericum perforatum, rumex acetosa, humulus lupulus, elymus repens, equisetum arvense, lonicera periclymenum, rumex obtusifolius, alnus incana, salix caprea, ranunculus acris, cirsium palustre, stellaria graminea, cardamine pratensis, lysimachia vulgaris, rubus caesius