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