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