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