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