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