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