be, arr. leuven, populus canadensis, urtica dioica, quercus robur, glechoma hederacea, galium aparine, symphytum officinale, poa trivialis, ranunculus repens, cirsium arvense, sambucus nigra, filipendula ulmaria, holcus lanatus, phalaris arundinacea, alnus glutinosa, heracleum sphondylium, arrhenatherum elatius, angelica sylvestris, calystegia sepium, phragmites australis, galeopsis tetrahit, fraxinus excelsior, alopecurus pratensis, humulus lupulus, juncus effusus, lysimachia vulgaris, crataegus monogyna, iris pseudacorus, lythrum salicaria, solanum dulcamara, geum urbanum, prunus serotina, lycopus europaeus, ribes rubrum, rumex obtusifolius, rubus caesius, cirsium palustre, agrostis capillaris, dactylis glomerata, cardamine pratensis, acer pseudoplatanus, agrostis stolonifera, quercus rubra, impatiens glandulifera, elymus repens, eupatorium cannabinum, ficaria verna, alnus incana, anthriscus sylvestris, equisetum arvense, corylus avellana