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