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