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