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