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