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