be, arr. leuven, quercus robur, urtica dioica, alnus glutinosa, populus canadensis, juncus effusus, ranunculus repens, holcus lanatus, sorbus aucuparia, prunus serotina, lonicera periclymenum, galeopsis tetrahit, betula pendula, glechoma hederacea, angelica sylvestris, filipendula ulmaria, agrostis capillaris, sambucus nigra, fraxinus excelsior, cirsium palustre, poa trivialis, galium aparine, frangula alnus, corylus avellana, lysimachia vulgaris, arrhenatherum elatius, heracleum sphondylium, quercus rubra, cirsium arvense, cardamine pratensis, dryopteris carthusiana, crataegus monogyna, symphytum officinale, rumex acetosa, phragmites australis, holcus mollis, phalaris arundinacea, lythrum salicaria, iris pseudacorus, athyrium filix-femina, molinia caerulea, humulus lupulus, acer pseudoplatanus, betula pubescens, solanum dulcamara, alopecurus pratensis, ranunculus acris, lycopus europaeus, anthoxanthum odoratum, ribes rubrum, viburnum opulus