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