be, arr. leuven, quercus robur, urtica dioica, ranunculus repens, populus canadensis, heracleum sphondylium, filipendula ulmaria, holcus lanatus, poa trivialis, angelica sylvestris, prunus serotina, galium aparine, alnus glutinosa, quercus rubra, glechoma hederacea, juncus effusus, alopecurus pratensis, symphytum officinale, arrhenatherum elatius, cardamine pratensis, galeopsis tetrahit, phalaris arundinacea, rumex acetosa, sambucus nigra, fraxinus excelsior, agrostis capillaris, cirsium palustre, lysimachia vulgaris, cirsium arvense, humulus lupulus, ficaria verna, ranunculus acris, rumex obtusifolius, impatiens glandulifera, iris pseudacorus, silene dioica, sorbus aucuparia, lythrum salicaria, corylus avellana, holcus mollis, galanthus nivalis, agrostis stolonifera, lycopus europaeus, bidens frondosa, lonicera periclymenum, crataegus monogyna, dactylis glomerata, prunus padus, ribes rubrum, calystegia sepium, carex acuta