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