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