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