be, arr. leuven, populus canadensis, quercus robur, ranunculus repens, urtica dioica, filipendula ulmaria, holcus lanatus, angelica sylvestris, heracleum sphondylium, juncus effusus, poa trivialis, alnus glutinosa, glechoma hederacea, alopecurus pratensis, galium aparine, cirsium arvense, galeopsis tetrahit, arrhenatherum elatius, cirsium palustre, phalaris arundinacea, symphytum officinale, cardamine pratensis, rumex acetosa, fraxinus excelsior, sambucus nigra, ranunculus acris, agrostis capillaris, prunus serotina, humulus lupulus, iris pseudacorus, rumex obtusifolius, equisetum palustre, carex acuta, lythrum salicaria, phragmites australis, lysimachia vulgaris, calystegia sepium, stellaria graminea, corylus avellana, lonicera periclymenum, cerastium fontanum, quercus rubra, ficaria verna, agrostis stolonifera, ribes rubrum, silene dioica, lolium perenne, silene flos-cuculi, sorbus aucuparia, crataegus monogyna, persicaria hydropiper