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