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