be, arr. leuven, populus canadensis, symphytum officinale, urtica dioica, galium aparine, heracleum sphondylium, filipendula ulmaria, glechoma hederacea, angelica sylvestris, calystegia sepium, phalaris arundinacea, phragmites australis, poa trivialis, galeopsis tetrahit, cirsium arvense, quercus robur, alnus glutinosa, ranunculus repens, humulus lupulus, alopecurus pratensis, sambucus nigra, arrhenatherum elatius, fraxinus excelsior, iris pseudacorus, lythrum salicaria, solanum dulcamara, crataegus monogyna, holcus lanatus, carex acuta, ficaria verna, anthriscus sylvestris, ribes rubrum, cirsium palustre, lycopus europaeus, rumex obtusifolius, rubus caesius, cardamine pratensis, lysimachia vulgaris, impatiens glandulifera, silene dioica, juncus effusus, geum urbanum, epilobium hirsutum, dactylis glomerata, viburnum opulus, glyceria maxima, valeriana officinalis, eupatorium cannabinum, rumex acetosa, persicaria hydropiper, ranunculus acris