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